orbit_info_crossing_time[ /orbit_info_crossing_time= 0..445] (Type is Float64)

attributes
- contentType: referenceInformation (Type is String)
- description: The time, in seconds since the ATLAS SDP GPS Epoch, at which the ascending node crosses the equator. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Ascending Node Crossing Time (Type is String)
- source: POD/PPD (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: crossing_time (Type is String)
- fullnamepath: /orbit_info/crossing_time (Type is String)

orbit_info_sc_orient_time[ /orbit_info_sc_orient_time= 0..0] (Type is Float64)

attributes
- contentType: referenceInformation (Type is String)
- description: The time of the last spacecraft orientation change between forward, backward and transitional flight modes, expressed in seconds since the ATLAS SDP GPS Epoch. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Time of Last Spacecraft Orientation Change (Type is String)
- source: POD/PPD (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: sc_orient_time (Type is String)
- fullnamepath: /orbit_info/sc_orient_time (Type is String)

grid_lat[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float64)

attributes
- contentType: referenceInformation (Type is String)
- coordinates: grid_x grid_y (Type is String)
- description: Grid cell center latitude (Type is String)
- long_name: gridded latitude (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: degrees_north (Type is String)
- origname: grid_lat (Type is String)
- fullnamepath: /grid_lat (Type is String)

grid_lon[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float64)

attributes
- contentType: referenceInformation (Type is String)
- coordinates: grid_x grid_y (Type is String)
- description: Grid cell center longitude (Type is String)
- long_name: gridded longitude (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: degrees_east (Type is String)
- origname: grid_lon (Type is String)
- fullnamepath: /grid_lon (Type is String)

FakeDim0[ /FakeDim0= 0..0] (Type is Int32)

attributes
- units: level (Type is String)

orbit_info_cycle_number[ /orbit_info_crossing_time= 0..445] (Type is Int8)

attributes
- contentType: referenceInformation (Type is String)
- description: A count of the number of exact repeats of this reference orbit. (Type is String)
- long_name: Cycle Number (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 50 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: cycle_number (Type is String)
- fullnamepath: /orbit_info/cycle_number (Type is String)
- coordinates: orbit_info_crossing_time (Type is String)

orbit_info_orbit_number[ /orbit_info_crossing_time= 0..445] (Type is UInt16)

attributes
- contentType: referenceInformation (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit. (Type is String)
- long_name: Orbit Number (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 65000 (Type is UInt16)
- valid_min: 1 (Type is UInt16)
- origname: orbit_number (Type is String)
- fullnamepath: /orbit_info/orbit_number (Type is String)
- coordinates: orbit_info_crossing_time (Type is String)

orbit_info_rgt[ /orbit_info_crossing_time= 0..445] (Type is Int16)

attributes
- contentType: referenceInformation (Type is String)
- description: The reference ground track (RGT) is the track on the earth at which a specified unit vector within the observatory is pointed. Under nominal operating conditions, there will be no data collected along the RGT, as the RGT is spanned by GT3 and GT4. During slews or off-pointing, it is possible that ground tracks may intersect the RGT. The ICESat-2 mission has 1387 RGTs. (Type is String)
- long_name: Reference Ground track (Type is String)
- source: POD/PPD (Type is String)
- units: 1 (Type is String)
- valid_max: 1387 (Type is Int16)
- valid_min: 1 (Type is Int16)
- origname: rgt (Type is String)
- fullnamepath: /orbit_info/rgt (Type is String)
- coordinates: orbit_info_crossing_time (Type is String)

orbit_info_sc_orient[ /orbit_info_sc_orient_time= 0..0] (Type is Int8)

attributes
- contentType: referenceInformation (Type is String)
- description: This parameter tracks the spacecraft orientation between forward, backward and transitional flight modes. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. (Type is String)
- flag_meanings: backward forward transition (Type is String)
- flag_values: 0, 1, 2 (Type is Int8)
- long_name: Spacecraft Orientation (Type is String)
- source: POD/PPD (Type is String)
- units: 1 (Type is String)
- valid_max: 2 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: sc_orient (Type is String)
- fullnamepath: /orbit_info/sc_orient (Type is String)
- coordinates: orbit_info_sc_orient_time (Type is String)

orbit_info_lan[ /orbit_info_crossing_time= 0..445] (Type is Float64)

attributes
- contentType: referenceInformation (Type is String)
- description: Longitude at the ascending node crossing. (Type is String)
- long_name: Ascending Node Longitude (Type is String)
- source: POD/PPD (Type is String)
- units: degrees_east (Type is String)
- valid_max: 180.00000000000000 (Type is Float64)
- valid_min: -180.00000000000000 (Type is Float64)
- origname: lan (Type is String)
- fullnamepath: /orbit_info/lan (Type is String)
- coordinates: orbit_info_crossing_time (Type is String)

daily_day21_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day21/delta_time_end (Type is String)

daily_day21_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day21/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day21/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day21/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day21/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day21/delta_time_beg (Type is String)

daily_day21_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day21/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day21/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day21_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day21/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day31/delta_time_end (Type is String)

daily_day31_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day31/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day31/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day31/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day31/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day31/delta_time_beg (Type is String)

daily_day31_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day31/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day31/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day31_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day31/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day18/delta_time_end (Type is String)

daily_day18_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day18/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day18/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day18/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day18/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day18/delta_time_beg (Type is String)

daily_day18_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day18/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day18/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day18_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day18/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day08/delta_time_end (Type is String)

daily_day08_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day08/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day08/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day08/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day08/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day08/delta_time_beg (Type is String)

daily_day08_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day08/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day08/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day08_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day08/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day07/delta_time_end (Type is String)

daily_day07_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day07/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day07/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day07/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day07/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day07/delta_time_beg (Type is String)

daily_day07_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day07/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day07/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day07_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day07/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day23/delta_time_end (Type is String)

daily_day23_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day23/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day23/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day23/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day23/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day23/delta_time_beg (Type is String)

daily_day23_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day23/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day23/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day23_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day23/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day12/delta_time_end (Type is String)

daily_day12_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day12/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day12/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day12/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day12/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day12/delta_time_beg (Type is String)

daily_day12_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day12/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day12/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day12_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day12/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day19/delta_time_end (Type is String)

daily_day19_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day19/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day19/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day19/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day19/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day19/delta_time_beg (Type is String)

daily_day19_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day19/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day19/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day19_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day19/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day15/delta_time_end (Type is String)

daily_day15_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day15/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day15/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day15/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day15/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day15/delta_time_beg (Type is String)

daily_day15_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day15/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day15/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day15_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day15/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day09/delta_time_end (Type is String)

daily_day09_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day09/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day09/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day09/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day09/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day09/delta_time_beg (Type is String)

daily_day09_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day09/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day09/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day09_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day09/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day14/delta_time_end (Type is String)

daily_day14_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day14/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day14/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day14/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day14/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day14/delta_time_beg (Type is String)

daily_day14_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day14/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day14/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day14_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day14/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day04/delta_time_end (Type is String)

daily_day04_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day04/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day04/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day04/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day04/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day04/delta_time_beg (Type is String)

daily_day04_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day04/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day04/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day04_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day04/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day28/delta_time_end (Type is String)

daily_day28_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day28/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day28/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day28/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day28/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day28/delta_time_beg (Type is String)

daily_day28_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day28/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day28/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day28_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day28/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day22/delta_time_end (Type is String)

daily_day22_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day22/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day22/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day22/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day22/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day22/delta_time_beg (Type is String)

daily_day22_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day22/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day22/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day22_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day22/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day26/delta_time_end (Type is String)

daily_day26_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day26/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day26/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day26/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day26/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day26/delta_time_beg (Type is String)

daily_day26_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day26/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day26/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day26_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day26/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day24/delta_time_end (Type is String)

daily_day24_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day24/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day24/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day24/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day24/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day24/delta_time_beg (Type is String)

daily_day24_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day24/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day24/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day24_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day24/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day01/delta_time_end (Type is String)

daily_day01_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day01/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day01/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day01/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day01/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day01/delta_time_beg (Type is String)

daily_day01_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day01/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day01/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day01_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day01/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day11/delta_time_end (Type is String)

daily_day11_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day11/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day11/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day11/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day11/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day11/delta_time_beg (Type is String)

daily_day11_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day11/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day11/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day11_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day11/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day20/delta_time_end (Type is String)

daily_day20_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day20/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day20/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day20/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day20/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day20/delta_time_beg (Type is String)

daily_day20_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day20/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day20/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day20_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day20/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day17/delta_time_end (Type is String)

daily_day17_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day17/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day17/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day17/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day17/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day17/delta_time_beg (Type is String)

daily_day17_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day17/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day17/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day17_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day17/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day02/delta_time_end (Type is String)

daily_day02_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day02/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day02/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day02/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day02/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day02/delta_time_beg (Type is String)

daily_day02_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day02/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day02/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day02_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day02/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day16/delta_time_end (Type is String)

daily_day16_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day16/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day16/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day16/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day16/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day16/delta_time_beg (Type is String)

daily_day16_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day16/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day16/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day16_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day16/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day27/delta_time_end (Type is String)

daily_day27_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day27/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day27/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day27/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day27/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day27/delta_time_beg (Type is String)

daily_day27_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day27/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day27/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day27_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day27/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day06/delta_time_end (Type is String)

daily_day06_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day06/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day06/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day06/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day06/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day06/delta_time_beg (Type is String)

daily_day06_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day06/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day06/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day06_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day06/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day03/delta_time_end (Type is String)

daily_day03_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day03/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day03/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day03/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day03/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day03/delta_time_beg (Type is String)

daily_day03_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day03/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day03/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day03_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day03/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day25/delta_time_end (Type is String)

daily_day25_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day25/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day25/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day25/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day25/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day25/delta_time_beg (Type is String)

daily_day25_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day25/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day25/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day25_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day25/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day05/delta_time_end (Type is String)

daily_day05_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day05/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day05/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day05/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day05/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day05/delta_time_beg (Type is String)

daily_day05_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day05/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day05/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day05_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day05/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day10/delta_time_end (Type is String)

daily_day10_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day10/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day10/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day10/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day10/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day10/delta_time_beg (Type is String)

daily_day10_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day10/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day10/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day10_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day10/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day30/delta_time_end (Type is String)

daily_day30_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day30/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day30/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day30/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day30/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day30/delta_time_beg (Type is String)

daily_day30_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day30/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day30/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day30_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day30/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day29/delta_time_end (Type is String)

daily_day29_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day29/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day29/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day29/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day29/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day29/delta_time_beg (Type is String)

daily_day29_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day29/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day29/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day29_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day29/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /daily/day13/delta_time_end (Type is String)

daily_day13_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /daily/day13/mean_ssha (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each daily grid cell. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /daily/day13/n_refsurfs (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /daily/day13/mean_weighted_mss (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /daily/day13/mean_weighted_earth_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /daily/day13/delta_time_beg (Type is String)

daily_day13_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /daily/day13/mean_weighted_geoid (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /daily/day13/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

daily_day13_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String)
- long_name: Daily standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /daily/day13/sigma (Type is String)
- coordinates: ______grid_x ______grid_y (Type is String)

monthly_delta_time_end[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_end (Type is String)
- fullnamepath: /monthly/delta_time_end (Type is String)

monthly_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Monthly mean sea surface height anomalies (SSHA) for each monthly grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) calculated as the mean of all available daily mean_ssha values. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly mean sea surface height anomalies (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_ssha (Type is String)
- fullnamepath: /monthly/mean_ssha (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: modelResult (Type is String)
- description: Number of reference surface sections used in each monthly grid cell (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly population count (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- origname: n_refsurfs (Type is String)
- fullnamepath: /monthly/n_refsurfs (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean monthly MSS calculated from all available daily mean_weighted_mss values. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly mean MSS (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_mss (Type is String)
- fullnamepath: /monthly/mean_weighted_mss (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean monthly solid earth permanent tide correction calculated from all available daily mean_weighted_earth_free2mean values. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly mean solid earth tide free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: solid earth tide free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_earth_free2mean (Type is String)
- fullnamepath: /monthly/mean_weighted_earth_free2mean (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: modelResult (Type is String)
- description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- source: Derived via Time Tagging (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: delta_time_beg (Type is String)
- fullnamepath: /monthly/delta_time_beg (Type is String)

monthly_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean monthly geoid calculated from all available daily mean_weighted_geoid values. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly mean geoid (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid (Type is String)
- fullnamepath: /monthly/mean_weighted_geoid (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- description: Mean monthly geoid free-to-mean correction calculated from all available daily mean_weighted_geoid values. Subtract from mean_weighted_mss or mean_weighted_geoid to covert to a tide-free system. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly mean geoid free-to-mean conversion (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: geoid free2mean (Type is String)
- units: meters (Type is String)
- origname: mean_weighted_geoid_free2mean (Type is String)
- fullnamepath: /monthly/mean_weighted_geoid_free2mean (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

monthly_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32)

attributes
- description: Standard deviation of monthly gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String)
- grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String)
- long_name: Monthly standard deviation (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: meters (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- contentType: modelResult (Type is String)
- origname: sigma (Type is String)
- fullnamepath: /monthly/sigma (Type is String)
- coordinates: ___grid_x ___grid_y (Type is String)

quality_assessment_qa_granule_fail_reason[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: qualityInformation (Type is String)
- description: Flag indicating granule failure reason. 0=no failure; 1=processing error; 2=Insufficient output data was generated; 3=TBD Failure; 4=TBD_Failure; 5=other failure. (Type is String)
- flag_meanings: no_failure PROCESS_ERROR INSUFFICIENT_OUTPUT failure_3 failure_4 OTHER_FAILURE (Type is String)
- flag_values: 0, 1, 2, 3, 4, 5 (Type is Int32)
- long_name: Granule Failure Reason (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 5 (Type is Int32)
- valid_min: 0 (Type is Int32)
- origname: qa_granule_fail_reason (Type is String)
- fullnamepath: /quality_assessment/qa_granule_fail_reason (Type is String)

quality_assessment_qa_granule_pass_fail[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: qualityInformation (Type is String)
- description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. (Type is String)
- flag_meanings: PASS FAIL (Type is String)
- flag_values: 0, 1 (Type is Int32)
- long_name: Granule Pass Flag (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int32)
- valid_min: 0 (Type is Int32)
- origname: qa_granule_pass_fail (Type is String)
- fullnamepath: /quality_assessment/qa_granule_pass_fail (Type is String)

land_mask_map[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32)

attributes
- _FillValue: 2147483647 (Type is Int32)
- contentType: referenceInformation (Type is String)
- coordinates: grid_x grid_y (Type is String)
- description: Gridded map which describes each grid cell as land (=1) or ocean/sea ice (=0) (Type is String)
- long_name: land mask map (Type is String)
- source: Sea Ice ATBD (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int32)
- valid_min: 0 (Type is Int32)
- origname: land_mask_map (Type is String)
- fullnamepath: /land_mask_map (Type is String)

ancillary_data_refsurf_selection_process_refsurf_0[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if reference surfaces with interpolation flag value of 0 is processed for the ATL21 product. (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Reference Surface type 0 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: process_refsurf_0 (Type is String)
- fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_0 (Type is String)

ancillary_data_refsurf_selection_process_refsurf_1[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if reference surfaces with interpolation flag value of 1 is processed for the ATL21 product. (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Reference Surface type 1 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: process_refsurf_1 (Type is String)
- fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_1 (Type is String)

ancillary_data_refsurf_selection_process_refsurf_2[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if reference surfaces with interpolation flag value of 2 is processed for the ATL21 product. (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Reference Surface type 2 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: process_refsurf_2 (Type is String)
- fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_2 (Type is String)

ancillary_data_refsurf_selection_process_refsurf_3[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if reference surfaces with interpolation flag value of 3 is processed for the ATL21 product. (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Reference Surface type 3 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: process_refsurf_3 (Type is String)
- fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_3 (Type is String)

ancillary_data_release[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Release number of the granule. The release number is incremented when the software or ancillary data used to create the granule has been changed. (Type is String)
- long_name: Release Number (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- origname: release (Type is String)
- fullnamepath: /ancillary_data/release (Type is String)

ancillary_data_end_geoseg[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Derived (Type is String)
- description: The ending geolocation segment number associated with the data contained within this granule. ICESat-2 granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String)
- long_name: Ending Geolocation Segment (Type is String)
- units: 1 (Type is String)
- origname: end_geoseg (Type is String)
- fullnamepath: /ancillary_data/end_geoseg (Type is String)

ancillary_data_version[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Version number of this granule within the release. It is a sequential number corresponding to the number of times the granule has been reprocessed for the current release. (Type is String)
- long_name: Version (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- origname: version (Type is String)
- fullnamepath: /ancillary_data/version (Type is String)

ancillary_data_end_region[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The ending product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String)
- long_name: Ending Region (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: end_region (Type is String)
- fullnamepath: /ancillary_data/end_region (Type is String)

ancillary_data_atlas_sdp_gps_epoch[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS Standard Data Product (SDP) epoch (2018-01-01:T00.00.00.000000 UTC). Add this value to delta time parameters to compute full gps_seconds (relative to the GPS epoch) for each data point. (Type is String)
- long_name: ATLAS Epoch Offset (Type is String)
- source: Operations (Type is String)
- units: seconds since 1980-01-06T00:00:00.000000Z (Type is String)
- origname: atlas_sdp_gps_epoch (Type is String)
- fullnamepath: /ancillary_data/atlas_sdp_gps_epoch (Type is String)

ancillary_data_end_rgt[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The ending reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String)
- long_name: Ending Reference Groundtrack (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- valid_max: 1387 (Type is Int32)
- valid_min: 1 (Type is Int32)
- origname: end_rgt (Type is String)
- fullnamepath: /ancillary_data/end_rgt (Type is String)

ancillary_data_end_delta_time[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Derived (Type is String)
- description: Number of GPS seconds since the ATLAS SDP epoch at the last data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: ATLAS End Time (Actual) (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: end_delta_time (Type is String)
- fullnamepath: /ancillary_data/end_delta_time (Type is String)

ancillary_data_end_orbit[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The ending orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String)
- long_name: Ending Orbit Number (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: end_orbit (Type is String)
- fullnamepath: /ancillary_data/end_orbit (Type is String)

ancillary_data_start_cycle[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The starting cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String)
- long_name: Starting Cycle (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- valid_max: 99 (Type is Int32)
- valid_min: 0 (Type is Int32)
- origname: start_cycle (Type is String)
- fullnamepath: /ancillary_data/start_cycle (Type is String)

ancillary_data_data_end_utc[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Derived (Type is String)
- description: UTC (in CCSDS-A format) of the last data point within the granule. (Type is String)
- long_name: End UTC Time of Granule (CCSDS-A, Actual) (Type is String)
- units: 1 (Type is String)
- origname: data_end_utc (Type is String)
- fullnamepath: /ancillary_data/data_end_utc (Type is String)

ancillary_data_control[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. (Type is String)
- long_name: Control File (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- origname: control (Type is String)
- fullnamepath: /ancillary_data/control (Type is String)

ancillary_data_start_gpssow[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: GPS seconds-of-week of the first data point in the granule. (Type is String)
- long_name: Start GPS SOW of Granule (Actual) (Type is String)
- source: Derived (Type is String)
- units: seconds (Type is String)
- origname: start_gpssow (Type is String)
- fullnamepath: /ancillary_data/start_gpssow (Type is String)

ancillary_data_granule_end_utc[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Requested end time (in UTC CCSDS-A) of this granule. (Type is String)
- long_name: End UTC Time of Granule (CCSDS-A, Requested) (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: granule_end_utc (Type is String)
- fullnamepath: /ancillary_data/granule_end_utc (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_1[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if spot 1 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 1 for ATL21 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_1 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_1 (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_2[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if spot 2 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 2 for ATL21 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_2 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_2 (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_3[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if spot 3 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 3 for ATL21 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_3 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_3 (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_4[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Indicates if spot 4 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 4 for ATL21 (Type is String)
- source: Operations (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_4 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_4 (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_5[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Operations (Type is String)
- description: Indicates if spot 5 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 5 for ATL21 (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_5 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_5 (Type is String)

ancillary_data_beam_selection_proc_atl21_spot_6[ /FakeDim0= 0..0] (Type is Int8)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Operations (Type is String)
- description: Indicates if spot 6 is processed for the ATL21 product (Type is String)
- flag_meanings: not_processed processed (Type is String)
- flag_values: 0, 1 (Type is Int8)
- long_name: Processing Flag for Spot 6 for ATL21 (Type is String)
- units: 1 (Type is String)
- valid_max: 1 (Type is Int8)
- valid_min: 0 (Type is Int8)
- origname: proc_atl21_spot_6 (Type is String)
- fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_6 (Type is String)

ancillary_data_end_cycle[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending Cycle (Type is String)
- description: The ending cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- valid_max: 99 (Type is Int32)
- valid_min: 0 (Type is Int32)
- origname: end_cycle (Type is String)
- fullnamepath: /ancillary_data/end_cycle (Type is String)

ancillary_data_granule_start_utc[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Requested start time (in UTC CCSDS-A) of this granule. (Type is String)
- long_name: Start UTC Time of Granule (CCSDS-A, Requested) (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: granule_start_utc (Type is String)
- fullnamepath: /ancillary_data/granule_start_utc (Type is String)

ancillary_data_start_delta_time[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: Number of GPS seconds since the ATLAS SDP epoch at the first data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String)
- long_name: ATLAS Start Time (Actual) (Type is String)
- source: Derived (Type is String)
- standard_name: time (Type is String)
- units: seconds since 2018-01-01 (Type is String)
- origname: start_delta_time (Type is String)
- fullnamepath: /ancillary_data/start_delta_time (Type is String)

ancillary_data_start_geoseg[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The starting geolocation segment number associated with the data contained within this granule. ICESat-2 granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String)
- long_name: Starting Geolocation Segment (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: start_geoseg (Type is String)
- fullnamepath: /ancillary_data/start_geoseg (Type is String)

ancillary_data_start_orbit[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The starting orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String)
- long_name: Starting Orbit Number (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: start_orbit (Type is String)
- fullnamepath: /ancillary_data/start_orbit (Type is String)

ancillary_data_data_start_utc[ /FakeDim0= 0..0] (Type is String)

attributes
- contentType: auxiliaryInformation (Type is String)
- source: Derived (Type is String)
- description: UTC (in CCSDS-A format) of the first data point within the granule. (Type is String)
- long_name: Start UTC Time of Granule (CCSDS-A, Actual) (Type is String)
- units: 1 (Type is String)
- origname: data_start_utc (Type is String)
- fullnamepath: /ancillary_data/data_start_utc (Type is String)

ancillary_data_end_gpsweek[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: GPS week number of the last data point in the granule. (Type is String)
- long_name: Ending GPSWeek of Granule (Actual) (Type is String)
- source: Derived (Type is String)
- units: weeks from 1980-01-06 (Type is String)
- origname: end_gpsweek (Type is String)
- fullnamepath: /ancillary_data/end_gpsweek (Type is String)

ancillary_data_start_rgt[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The starting reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String)
- long_name: Starting Reference Groundtrack (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- valid_max: 1387 (Type is Int32)
- valid_min: 1 (Type is Int32)
- origname: start_rgt (Type is String)
- fullnamepath: /ancillary_data/start_rgt (Type is String)

ancillary_data_end_gpssow[ /FakeDim0= 0..0] (Type is Float64)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: GPS seconds-of-week of the last data point in the granule. (Type is String)
- long_name: Ending GPS SOW of Granule (Actual) (Type is String)
- source: Derived (Type is String)
- units: seconds (Type is String)
- origname: end_gpssow (Type is String)
- fullnamepath: /ancillary_data/end_gpssow (Type is String)

ancillary_data_start_region[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: The starting product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String)
- long_name: Starting Region (Type is String)
- source: Derived (Type is String)
- units: 1 (Type is String)
- origname: start_region (Type is String)
- fullnamepath: /ancillary_data/start_region (Type is String)

ancillary_data_start_gpsweek[ /FakeDim0= 0..0] (Type is Int32)

attributes
- contentType: auxiliaryInformation (Type is String)
- description: GPS week number of the first data point in the granule. (Type is String)
- long_name: Start GPSWeek of Granule (Actual) (Type is String)
- source: Derived (Type is String)
- units: weeks from 1980-01-06 (Type is String)
- origname: start_gpsweek (Type is String)
- fullnamepath: /ancillary_data/start_gpsweek (Type is String)

crs[ /FakeDim0= 0..0] (Type is Int8)

attributes
- crs_wkt: "PROJCS["NSIDC Sea Ice Polar Stereographic North",GEOGCS["Unspecified datum based upon the Hughes 1980 ellipsoid",DATUM["Not_specified_based_on_Hughes_1980_ellipsoid",SPHEROID["Hughes 1980",6378273,298.279411123061,AUTHORITY["EPSG","7058"]],AUTHORITY["EPSG","6054"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4054"]],PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",70],PARAMETER["central_meridian",-45],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","3411"]] (Type is String)
- proj4text: +proj=stere +lat_0=90 +lat_ts=70 +lon_0=-45 +k=1 +x_0=0 +y_0=0 +a=6378273 +b=6356889.449 +units=m +no_defs (Type is String)
- false_easting: 0.0000000000000000 (Type is Float64)
- false_northing: 0.0000000000000000 (Type is Float64)
- grid_mapping_name: polar_stereographic (Type is String)
- inverse_flattening: 298.27941112306098 (Type is Float64)
- semi_major_axis: 6378273.0000000000 (Type is Float64)
- latitude_of_projection_origin: 90.000000000000000 (Type is Float64)
- longitude_of_projection_origin: -45.000000000000000 (Type is Float64)
- standard_parallel: 70.000000000000000 (Type is Float64)
- srid: urn:ogc:def:crs:EPSG::3411 (Type is String)
- origname: crs (Type is String)
- fullnamepath: /crs (Type is String)

grid_x[ /grid_x= 0..303] (Type is Float64)

attributes
- axis: X (Type is String)
- contentType: referenceInformation (Type is String)
- coordinates: grid_y (Type is String)
- description: Grid cell center X value in projection grid (Type is String)
- grid_mapping: crs (Type is String)
- long_name: gridded x (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: projection_x_coordinate (Type is String)
- units: meters (Type is String)
- origname: grid_x (Type is String)
- fullnamepath: /grid_x (Type is String)

grid_y[ /grid_y= 0..447] (Type is Float64)

attributes
- axis: Y (Type is String)
- contentType: referenceInformation (Type is String)
- coordinates: grid_x (Type is String)
- description: Grid cell center Y value in projection grid (Type is String)
- grid_mapping: crs (Type is String)
- long_name: gridded y (Type is String)
- source: Sea Ice ATBD (Type is String)
- standard_name: projection_y_coordinate (Type is String)
- units: meters (Type is String)
- origname: grid_y (Type is String)
- fullnamepath: /grid_y (Type is String)

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Global Attributes	View/Hide Conventions: CF-1.7 (Type is String) contributor_name: Alek Petty (alek.a.petty@nasa.gov), Ron Kwok (rkwok01@uw.edu), Marco Bagnardi (marco.bagnardi@nasa.gov), Nathan Kurtz (nathan.t.kurtz@nasa.gov), Jeff Lee (jeffrey.e.lee@nasa.gov), Jesse Wimert (jesse.wimert@us.kbr.com), David Hancock (david.w.hancock@nasa.gov) (Type is String) contributor_role: Investigator, Investigator, Investigator, Investigator, Algorithm Developer, Algorithm Developer, Algorithm Developer (Type is String) date_type: UTC (Type is String) description: This data set (ATL21) contains daily and monthly gridded polar sea surface height anomalies (Type is String) geospatial_lat_units: degrees_north (Type is String) geospatial_lon_units: degrees_east (Type is String) granule_type: ATL21 (Type is String) identifier_product_doi_authority: http://dx.doi.org (Type is String) level: L3B (Type is String) license: Data may not be reproduced or distributed without including the citation for this product included in this metadata. Data may not be distributed in an altered form without the written permission of the ICESat-2 Science Project Office at NASA/GSFC. (Type is String) naming_authority: http://dx.doi.org (Type is String) short_name: ATL21 (Type is String) spatial_coverage_type: Horizontal (Type is String) standard_name_vocabulary: CF-1.6 (Type is String) time_type: CCSDS UTC-A (Type is String) title: SET_BY_META (Type is String) date_created: 2021-06-16T20:53:42.000000Z (Type is String) hdfversion: HDF5 1.10.7 (Type is String) history: 2021-06-16T20:53:42.000000Z;10f31eb2-15d7-3316-a9a5-804139e39e12;Created by PGE atlas_l3b_si Version 2.0 (Type is String) identifier_file_uuid: 10f31eb2-15d7-3316-a9a5-804139e39e12 (Type is String) identifier_product_format_version: 1.1 (Type is String) time_coverage_duration: 2675944.0000000000 (Type is Float64) time_coverage_end: 2021-04-01T00:15:41.000000Z (Type is String) time_coverage_start: 2021-03-01T00:56:37.000000Z (Type is String) geospatial_lat_min: 39.411818807848888 (Type is Float64) geospatial_lon_min: -179.99999913327565 (Type is Float64) geospatial_lat_max: 88.056195972287952 (Type is Float64) geospatial_lon_max: 179.99999962994104 (Type is Float64) publisher_name: NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center (Type is String) publisher_email: nsidc@nsidc.org (Type is String) publisher_url: https://nsidc.org/daac/ (Type is String) identifier_product_type: ATL21 (Type is String) identifier_product_doi: doi:10.5067/ATLAS/ATL21.001 (Type is String) institution: National Aeronautics and Space Administration (NASA) (Type is String) creator_name: GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System (Type is String) summary: Scientific Research (Type is String) keywords: EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE HEIGHT > SEA SURFACE HEIGHT ANOMALY _SSHA_ (Type is String) keywords_vocabulary: NASA/GCMD Science Keywords (Type is String) citation: Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center. (Type is String) processing_level: 3B (Type is String) references: http://nsidc.org/data/icesat2/data.html (Type is String) project: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String) instrument: ATLAS > Advanced Topographic Laser Altimeter System (Type is String) platform: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String) source: Spacecraft (Type is String) orbit_info Description: Contains orbit information. (Type is String) data_rate: Varies. Data are only provided when one of the stored values (besides time) changes. (Type is String) fullnamepath: /orbit_info (Type is String) METADATA Description: ISO19115 Structured Metadata Represented within HDF5 (Type is String) iso_19139_dataset_xml: <?xml version="1.0"?> <gmd:DS_Series xsi:schemaLocation="http://www.isotc211.org/2005/gmi http://cdn.earthdata.nasa.gov/iso/schema/1.0/ISO19115-2_EOS.xsd" xmlns:eos="http://earthdata.nasa.gov/schema/eos" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gmi="http://www.isotc211.org/2005/gmi" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:gsr="http://www.isotc211.org/2005/gsr" xmlns:gss="http://www.isotc211.org/2005/gss" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:srv="http://www.isotc211.org/2005/srv" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <gmd:composedOf> <gmd:DS_DataSet> <gmd:has> <gmi:MI_Metadata> <gmd:fileIdentifier> <gmx:FileName>ATL21-01_20210301005637_10241001_001_01.h5</gmx:FileName> </gmd:fileIdentifier> <gmd:contact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC > National Snow and Ice Data Center DAAC</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:address> <gmd:CI_Address> <gmd:electronicMailAddress> <gco:CharacterString>nsidc@nsidc.org</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>https://nsidc.org/daac/</gmd:URL> </gmd:linkage> </gmd:CI_OnlineResource> </gmd:onlineResource> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:contact> <gmd:dateStamp> 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<gco:CharacterString>ATL21</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Short Name</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>001</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Version ID</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ATL21-01_20210301005637_10241001_001_01.h5</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>ProducerGranuleId</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> </gmd:CI_Citation> </gmd:citation> <gmd:abstract> <gco:CharacterString>TBD</gco:CharacterString> </gmd:abstract> <gmd:status> <gmd:MD_ProgressCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="onGoing">onGoing</gmd:MD_ProgressCode> </gmd:status> <gmd:aggregationInfo> <gmd:MD_AggregateInformation> <gmd:aggregateDataSetName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ATL21</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:edition> <gco:CharacterString>001</gco:CharacterString> </gmd:edition> </gmd:CI_Citation> </gmd:aggregateDataSetName> <gmd:associationType> <gmd:DS_AssociationTypeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#DS_AssociationTypeCode" codeListValue="largerWorkCitation">largerWorkCitation</gmd:DS_AssociationTypeCode> </gmd:associationType> </gmd:MD_AggregateInformation> </gmd:aggregationInfo> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:topicCategory> <gmd:MD_TopicCategoryCode>geoscientificInformation</gmd:MD_TopicCategoryCode> </gmd:topicCategory> <gmd:extent> <gmd:EX_Extent> <gmd:geographicElement> <gmd:EX_GeographicBoundingBox> <gmd:westBoundLongitude> <gco:Decimal>-179.999999</gco:Decimal> </gmd:westBoundLongitude> <gmd:eastBoundLongitude> <gco:Decimal>180.000000</gco:Decimal> </gmd:eastBoundLongitude> <gmd:southBoundLatitude> <gco:Decimal>39.411819</gco:Decimal> </gmd:southBoundLatitude> <gmd:northBoundLatitude> <gco:Decimal>88.056196</gco:Decimal> </gmd:northBoundLatitude> </gmd:EX_GeographicBoundingBox> </gmd:geographicElement> <gmd:temporalElement> <gmd:EX_TemporalExtent> <gmd:extent> <gml:TimePeriod gml:id="TIME_PERIOD_ID"> <gml:beginPosition>2021-03-01T01:17:59.466397Z</gml:beginPosition> <gml:endPosition>2021-03-31T23:16:22.450663Z</gml:endPosition> </gml:TimePeriod> </gmd:extent> </gmd:EX_TemporalExtent> </gmd:temporalElement> </gmd:EX_Extent> </gmd:extent> </gmd:MD_DataIdentification> </gmd:identificationInfo> <gmd:dataQualityInfo> <gmd:DQ_DataQuality> <gmd:scope> <gmd:DQ_Scope> <gmd:level> <gmd:MD_ScopeCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="dataset">dataset</gmd:MD_ScopeCode> </gmd:level> </gmd:DQ_Scope> </gmd:scope> <gmd:lineage> <gmd:LI_Lineage> <gmd:processStep> <gmi:LE_ProcessStep> <gmd:description> <gco:CharacterString>2021-06-16T20:53:42.000000Z;10f31eb2-15d7-3316-a9a5-804139e39e12;Created by PGE atlas_l3b_si Version 2.0</gco:CharacterString> </gmd:description> <gmd:dateTime> <gco:DateTime>2021-06-16T20:53:42.000000Z</gco:DateTime> </gmd:dateTime> </gmi:LE_ProcessStep> </gmd:processStep> </gmd:LI_Lineage> </gmd:lineage> </gmd:DQ_DataQuality> </gmd:dataQualityInfo> </gmi:MI_Metadata> </gmd:has> </gmd:DS_DataSet> </gmd:composedOf> <gmd:seriesMetadata gco:nilReason="missing"/> </gmd:DS_Series> (Type is String) iso_19139_series_xml: <?xml version="1.0" encoding="UTF-8"?> <gmd:DS_Series xmlns:eos="http://earthdata.nasa.gov/schema/eos" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:gmi="http://www.isotc211.org/2005/gmi" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:gmx="http://www.isotc211.org/2005/gmx" xmlns:gsr="http://www.isotc211.org/2005/gsr" xmlns:gss="http://www.isotc211.org/2005/gss" xmlns:gts="http://www.isotc211.org/2005/gts" xmlns:srv="http://www.isotc211.org/2005/srv" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.isotc211.org/2005/gmi http://cdn.earthdata.nasa.gov/iso/schema/1.0/ISO19115-2_EOS.xsd"> <gmd:composedOf gco:nilReason="inapplicable"/> <gmd:seriesMetadata> <gmi:MI_Metadata> <gmd:fileIdentifier> <gco:CharacterString>ATL21.001</gco:CharacterString> </gmd:fileIdentifier> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:characterSet> <gmd:MD_CharacterSetCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_CharacterSetCode" codeListValue="utf8">utf8</gmd:MD_CharacterSetCode> </gmd:characterSet> <gmd:hierarchyLevel> <gmd:MD_ScopeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_ScopeCode" codeListValue="series">series</gmd:MD_ScopeCode> </gmd:hierarchyLevel> <gmd:contact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact id="NSIDC_DAAC_CONTACT_ID"> <gmd:phone> <gmd:CI_Telephone> <gmd:voice> <gco:CharacterString>303-492-6199</gco:CharacterString> </gmd:voice> <gmd:facsimile> <gco:CharacterString>303-492-2468</gco:CharacterString> </gmd:facsimile> </gmd:CI_Telephone> </gmd:phone> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>1540 30th St Campus Box 449</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Boulder</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>Colorado</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>80309-0449</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>nsidc@nsidc.org</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>https://nsidc.org/daac/</gmd:URL> </gmd:linkage> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:hoursOfService> <gco:CharacterString>9:00 A.M. to 5:00 P.M., U.S. Mountain Time, Monday through Friday, excluding U.S. holidays.</gco:CharacterString> </gmd:hoursOfService> <gmd:contactInstructions> <gco:CharacterString>Contact by e-mail first</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="pointOfContact">pointOfContact</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:contact> <gmd:dateStamp> <gco:Date>2015-10-15</gco:Date> </gmd:dateStamp> <gmd:metadataStandardName> <gco:CharacterString>ISO 19115-2 Geographic information - Metadata - Part 2: Extensions for imagery and gridded data</gco:CharacterString> </gmd:metadataStandardName> <gmd:metadataStandardVersion> <gco:CharacterString>ISO 19115-2:2009(E)</gco:CharacterString> </gmd:metadataStandardVersion> <gmd:identificationInfo> <gmd:MD_DataIdentification> <gmd:citation> <gmd:CI_Citation> <!-- ECS extracts the LongName from here --> <!-- UMM-C expects the ShortName to precede the LongName separated by a > here --> <gmd:title> <gco:CharacterString>ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <!-- ECS extracts the RevisionDate from here --> <gmd:date> <gco:Date>2021-04-26</gco:Date> </gmd:date> <gmd:dateType> <gmd:CI_DateTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode> </gmd:dateType> </gmd:CI_Date> </gmd:date> <!-- VersionID is expected to be here by the Base Reference Metadata Model document --> <gmd:edition> <gco:CharacterString>001</gco:CharacterString> </gmd:edition> <gmd:identifier> <gmd:MD_Identifier> <!-- ECS extracts the ShortName from here --> <gmd:code> <gco:CharacterString>ATL21</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Short Name</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <!-- ECS extracts the VersionID from here --> <gmd:code> <gco:CharacterString>001</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>The ECS Version ID</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:identifier> <gmd:MD_Identifier> <!-- This field provides the Digital Object Identifier (DOI). --> <gmd:code> <gmx:Anchor xlink:actuate="onRequest" xlink:href="https://doi.org/10.5067/ATLAS/ATL21.001">doi:10.5067/ATLAS/ATL21.001</gmx:Anchor> </gmd:code> <gmd:codeSpace> <gco:CharacterString>gov.nasa.esdis</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>A Digital Object Identifier (DOI)</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:identifier> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>National Aeronautics and Space Administration (NASA)</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="resourceProvider">resourceProvider</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty> <!-- ECS expects ProcessingCenter to be here --> <gmd:organisationName> <gco:CharacterString>GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System</gco:CharacterString> </gmd:organisationName> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="originator">originator</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <!-- ECS extracts the VersionDescription from here --> <gmd:otherCitationDetails> <gco:CharacterString>Initial version of the processing software</gco:CharacterString> </gmd:otherCitationDetails> </gmd:CI_Citation> </gmd:citation> <!-- ECS extracts the CollectionDescription from here --> <gmd:abstract> <gco:CharacterString>TBD</gco:CharacterString> </gmd:abstract> <gmd:purpose> <gco:CharacterString>Scientific Research</gco:CharacterString> </gmd:purpose> <gmd:credit> <gco:CharacterString>The software that generates the ATL21 product was designed and implemented within the ICESat-2 Science Investigator-led Processing System at the NASA Goddard Space Flight Center in Greenbelt, Maryland.</gco:CharacterString> </gmd:credit> <gmd:status> <gmd:MD_ProgressCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="onGoing">onGoing</gmd:MD_ProgressCode> </gmd:status> <gmd:pointOfContact> <gmd:CI_ResponsibleParty> <!-- ECS expects ArchiveCenter to be here --> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo xlink:href="#NSIDC_DAAC_CONTACT_ID"/> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:pointOfContact> <gmd:resourceFormat> <gmd:MD_Format> <gmd:name> <gco:CharacterString>HDF</gco:CharacterString> </gmd:name> <gmd:version> <gco:CharacterString>5</gco:CharacterString> </gmd:version> </gmd:MD_Format> </gmd:resourceFormat> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE HEIGHT > SEA SURFACE HEIGHT ANOMALY _SSHA_</gco:CharacterString> </gmd:keyword> <gmd:keyword> <gco:CharacterString>EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE HEIGHT > SEA SURFACE HEIGHT ANOMALY _SSHA_</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="theme">theme</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Science Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty id="GCMD_USO_ID"> <gmd:organisationName> <gco:CharacterString>NASA Global Change Master Directory (GCMD) User Support Office</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:phone gco:nilReason="missing"/> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>NASA Global Change Master Directory, Goddard Space Flight Center</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Greenbelt</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>MD</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>20771</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>gcmduso@gcmd.gsfc.nasa.gov</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>https://gcmd.nasa.gov/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>https</gco:CharacterString> </gmd:protocol> <gmd:applicationProfile> <gco:CharacterString>web browser</gco:CharacterString> </gmd:applicationProfile> <gmd:name> <gco:CharacterString>NASA Global Change Master Directory (GCMD)</gco:CharacterString> </gmd:name> <gmd:description> <gco:CharacterString>Home Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:contactInstructions> <gco:CharacterString>http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian">custodian</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> <gmd:citedResponsibleParty> <gmd:CI_ResponsibleParty id="GCMD_KEYWORDS_ID"> <gmd:organisationName> <gco:CharacterString>Global Change Master Directory (GCMD)</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo> <gmd:CI_Contact> <gmd:phone gco:nilReason="missing"/> <gmd:address> <gmd:CI_Address> <gmd:deliveryPoint> <gco:CharacterString>NASA Global Change Master Directory, Goddard Space Flight Center</gco:CharacterString> </gmd:deliveryPoint> <gmd:city> <gco:CharacterString>Greenbelt</gco:CharacterString> </gmd:city> <gmd:administrativeArea> <gco:CharacterString>MD</gco:CharacterString> </gmd:administrativeArea> <gmd:postalCode> <gco:CharacterString>20771</gco:CharacterString> </gmd:postalCode> <gmd:country> <gco:CharacterString>USA</gco:CharacterString> </gmd:country> <gmd:electronicMailAddress> <gco:CharacterString>gcmduso@gcmd.gsfc.nasa.gov</gco:CharacterString> </gmd:electronicMailAddress> </gmd:CI_Address> </gmd:address> <gmd:onlineResource> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>https://gcmd.nasa.gov/Resources/valids/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>https</gco:CharacterString> </gmd:protocol> <gmd:applicationProfile> <gco:CharacterString>web browser</gco:CharacterString> </gmd:applicationProfile> <gmd:name> <gco:CharacterString>NASA Global Change Master Directory (GCMD) Keyword Page</gco:CharacterString> </gmd:name> <gmd:description> <gco:CharacterString>This page describes the NASA GCMD Keywords, how to reference those keywords and provides download instructions.</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="download">download</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onlineResource> <gmd:contactInstructions> <gco:CharacterString>http://gcmd.nasa.gov/MailComments/MailComments.jsf?rcpt=gcmduso</gco:CharacterString> </gmd:contactInstructions> </gmd:CI_Contact> </gmd:contactInfo> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="custodian">custodian</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:citedResponsibleParty> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>GEOGRAPHIC REGION > GLOBAL OCEAN</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="place">place</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Location Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>NASA/NSIDC_DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="dataCenter">dataCenter</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Data Center Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>Earth Observation Satellites > NASA Decadal Survey > ICESAT-2 > Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="platform">platform</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Platform Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:descriptiveKeywords> <gmd:MD_Keywords> <gmd:keyword> <gco:CharacterString>Earth Remote Sensing Instruments > Active Remote Sensing > Altimeters > Lidar/Laser Altimeters > ATLAS > Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:keyword> <gmd:type> <gmd:MD_KeywordTypeCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode" codeListValue="instrument">instrument</gmd:MD_KeywordTypeCode> </gmd:type> <gmd:thesaurusName> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>NASA/GCMD Instrument Keywords</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> <gmd:citedResponsibleParty xlink:href="#GCMD_USO_ID"/> <gmd:citedResponsibleParty xlink:href="#GCMD_KEYWORDS_ID"/> </gmd:CI_Citation> </gmd:thesaurusName> </gmd:MD_Keywords> </gmd:descriptiveKeywords> <gmd:resourceConstraints> <gmd:MD_Constraints> <gmd:useLimitation> <gco:CharacterString>Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center.</gco:CharacterString> </gmd:useLimitation> </gmd:MD_Constraints> </gmd:resourceConstraints> <gmd:language> <gco:CharacterString>eng</gco:CharacterString> </gmd:language> <gmd:topicCategory> <gmd:MD_TopicCategoryCode>geoscientificInformation</gmd:MD_TopicCategoryCode> </gmd:topicCategory> <gmd:extent> <gmd:EX_Extent id="boundingExtent"> <gmd:description> <gco:CharacterString>SpatialCoverageType=HORIZONTAL, SpatialGranuleSpatialRepresentation=CARTESIAN, TemporalRangeType=Continuous Range, TimeType=UTC, CoordinateSystem=CARTESIAN</gco:CharacterString> </gmd:description> <gmd:geographicElement> <gmd:EX_GeographicBoundingBox> <!-- ECS extracts WestBoundingCoordinate from here --> <gmd:westBoundLongitude> <gco:Decimal>-180.0</gco:Decimal> </gmd:westBoundLongitude> <!-- ECS extracts EastBoundingCoordinate from here --> <gmd:eastBoundLongitude> <gco:Decimal>180.0</gco:Decimal> </gmd:eastBoundLongitude> <!-- ECS extracts SouthBoundingCoordinate from here --> <gmd:southBoundLatitude> <gco:Decimal>-90.0</gco:Decimal> </gmd:southBoundLatitude> <!-- ECS extracts NorthBoundingCoordinate from here --> <gmd:northBoundLatitude> <gco:Decimal>90.0</gco:Decimal> </gmd:northBoundLatitude> </gmd:EX_GeographicBoundingBox> </gmd:geographicElement> <gmd:temporalElement> <gmd:EX_TemporalExtent> <gmd:extent> <gml:TimePeriod gml:id="TimePeriod_ID_1"> <!-- ECS extracts RangeBeginningDate and RangeBeginningTime from here --> <gml:beginPosition>2005-01-01T00:00:00Z</gml:beginPosition> <!-- ECS extracts RangeEndingDate and RangeEndingTime from here --> <gml:endPosition>2020-12-31T23:59:59Z</gml:endPosition> </gml:TimePeriod> </gmd:extent> </gmd:EX_TemporalExtent> </gmd:temporalElement> </gmd:EX_Extent> </gmd:extent> <gmd:processingLevel> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>3B</gco:CharacterString> </gmd:code> <gmd:description gco:nilReason="missing"/> </gmd:MD_Identifier> </gmd:processingLevel> </gmd:MD_DataIdentification> </gmd:identificationInfo> <gmd:contentInfo> <gmd:MD_ImageDescription> <gmd:attributeDescription gco:nilReason="missing"/> <gmd:contentType gco:nilReason="missing"/> <gmd:processingLevelCode> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>3B</gco:CharacterString> </gmd:code> <gmd:description gco:nilReason="missing"/> </gmd:MD_Identifier> </gmd:processingLevelCode> </gmd:MD_ImageDescription> </gmd:contentInfo> <gmd:distributionInfo> <gmd:MD_Distribution> <gmd:distributionFormat> <gmd:MD_Format> <gmd:name> <gco:CharacterString>HDF</gco:CharacterString> </gmd:name> <gmd:version> <gco:CharacterString>5</gco:CharacterString> </gmd:version> </gmd:MD_Format> </gmd:distributionFormat> <gmd:distributor> <gmd:MD_Distributor> <gmd:distributorContact> <gmd:CI_ResponsibleParty> <gmd:organisationName> <gco:CharacterString>NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center</gco:CharacterString> </gmd:organisationName> <gmd:contactInfo xlink:href="#NSIDC_DAAC_CONTACT_ID"/> <gmd:role> <gmd:CI_RoleCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_RoleCode" codeListValue="distributor">distributor</gmd:CI_RoleCode> </gmd:role> </gmd:CI_ResponsibleParty> </gmd:distributorContact> <gmd:distributorTransferOptions> <gmd:MD_DigitalTransferOptions> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/data/icesat2/data.html</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>https</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Data Product Description Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>http://nsidc.org/data/icesat2/order.html</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>https</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Data Product Order Page</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="order">order</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> <gmd:onLine> <gmd:CI_OnlineResource> <gmd:linkage> <gmd:URL>https://doi.org/10.5067/ATLAS/ATL21.001</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>https</gco:CharacterString> </gmd:protocol> <gmd:description> <gco:CharacterString>Digital Object Identifier URL</gco:CharacterString> </gmd:description> <gmd:function> <gmd:CI_OnLineFunctionCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue="information">information</gmd:CI_OnLineFunctionCode> </gmd:function> </gmd:CI_OnlineResource> </gmd:onLine> </gmd:MD_DigitalTransferOptions> </gmd:distributorTransferOptions> </gmd:MD_Distributor> </gmd:distributor> </gmd:MD_Distribution> </gmd:distributionInfo> <gmi:acquisitionInformation> <gmi:MI_AcquisitionInformation> <gmi:instrument> <eos:EOS_Instrument id="ATLAS_INSTRUMENT_ID"> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ATLAS > Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ATLAS</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Advanced Topographic Laser Altimeter System</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:type> <gco:CharacterString>Laser Altimeter</gco:CharacterString> </gmi:type> <gmi:description> <gco:CharacterString>ATLAS on ICESat-2 determines the range between the satellite and the Earth's surface by measuring the two-way time delay of short pulses of laser light that it transmits in six beams. It is different from previous operational ice-sheet altimeters in that it is a photon-counting LIDAR. ATLAS records a set of arrival times for individual photons, which are then analyzed to derive surface, vegetation, and cloud properties. ATLAS has six beams arranged in three pairs, so that it samples each of three reference pair tracks with a pair of beams; ATLAS transmits pulses at 10 kHz, giving approximately one pulse every 0.7 m along track; ATLAS's expected pointing control will be better than 90 m RMS.</gco:CharacterString> </gmi:description> <gmi:mountedOn xlink:href="#ICESAT_2_PLATFORM_ID"/> </eos:EOS_Instrument> </gmi:instrument> <gmi:operation> <!-- MI_Operation is expected to be here by the Base Reference Metadata Model document--> <gmi:MI_Operation> <gmi:description> <gco:CharacterString>ICESat-2 > Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmi:description> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ICESat-2 > Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ICESat-2</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:status> <gmd:MD_ProgressCode codeList="http://cdn.earthdata.nasa.gov/iso/resources/Codelist/gmxCodelists.xml#MD_ProgressCode" codeListValue="underDevelopment">underDevelopment</gmd:MD_ProgressCode> </gmi:status> <gmi:parentOperation gco:nilReason="inapplicable"/> <gmi:platform xlink:href="#ICESAT_2_PLATFORM_ID"/> </gmi:MI_Operation> </gmi:operation> <gmi:platform> <eos:EOS_Platform id="ICESAT_2_PLATFORM_ID"> <gmi:citation> <gmd:CI_Citation> <gmd:title> <gco:CharacterString>ICESat-2 > Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:title> <gmd:date gco:nilReason="unknown"/> </gmd:CI_Citation> </gmi:citation> <gmi:identifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>ICESat-2</gco:CharacterString> </gmd:code> <gmd:description> <gco:CharacterString>Ice, Cloud, and land Elevation Satellite-2</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmi:identifier> <gmi:description> <gco:CharacterString>Spacecraft</gco:CharacterString> </gmi:description> <gmi:instrument xlink:href="#ATLAS_INSTRUMENT_ID"/> </eos:EOS_Platform> </gmi:platform> </gmi:MI_AcquisitionInformation> </gmi:acquisitionInformation> </gmi:MI_Metadata> </gmd:seriesMetadata> </gmd:DS_Series> (Type is String) fullnamepath: /METADATA (Type is String) METADATA_AcquisitionInformation Description: Describe the group (Type is String) fullnamepath: /METADATA/AcquisitionInformation (Type is String) METADATA_AcquisitionInformation_lidarDocument Description: Describe the group (Type is String) edition: Pre-Release (Type is String) publicationDate: 12/31/17 (Type is String) title: A document describing the ATLAS instrument will be provided by the ICESat-2 Project Science Office. (Type is String) fullnamepath: /METADATA/AcquisitionInformation/lidarDocument (Type is String) METADATA_AcquisitionInformation_platform Description: Describe the group (Type is String) identifier: ICESat-2 (Type is String) description: Ice, Cloud, and land Elevation Satellite-2 (Type is String) type: Spacecraft (Type is String) fullnamepath: /METADATA/AcquisitionInformation/platform (Type is String) METADATA_AcquisitionInformation_lidar Description: Describe the group (Type is String) pulse_rate: 10000 pps (Type is String) wavelength: 532 nm (Type is String) identifier: ATLAS (Type is String) type: Laser Altimeter (Type is String) description: ATLAS on ICESat-2 determines the range between the satellite and the Earth's surface by measuring the two-way time delay of short pulses of laser light that it transmits in six beams. It is different from previous operational ice-sheet altimeters in that it is a photon-counting LIDAR. ATLAS records a set of arrival times for individual photons, which are then analyzed to derive surface, vegetation, and cloud properties. ATLAS has six beams arranged in three pairs, so that it samples each of three reference pair tracks with a pair of beams; ATLAS transmits pulses at 10 kHz, giving approximately one pulse every 0.7 m along track; ATLAS's expected pointing control will be better than 90 m RMS. (Type is String) fullnamepath: /METADATA/AcquisitionInformation/lidar (Type is String) METADATA_AcquisitionInformation_platformDocument Description: Describe the group (Type is String) edition: 31-Dec-16 (Type is String) publicationDate: 31-Dec-16 (Type is String) title: The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2): Science requirements, concept, and implementation. Thorsten Markus, Tom Neumann, Anthony Martino, Waleed Abdalati, Kelly Brunt, Beata Csatho, Sinead Farrell, Helen Fricker, Alex Gardner, David Harding, Michael Jasinski, Ron Kwok, Lori Magruder, Dan Lubin, Scott Luthcke, James Morison, Ross Nelson, Amy Neuenschwander, Stephen Palm, Sorin Popescu, CK Shum, Bob E. Schutz, Benjamin Smith, Yuekui Yang, Jay Zwally. http://dx.doi.org/10.1016/j.rse.2016.12.029 (Type is String) fullnamepath: /METADATA/AcquisitionInformation/platformDocument (Type is String) METADATA_DataQuality Description: Describe the group (Type is String) scope: NOT_SET (Type is String) fullnamepath: /METADATA/DataQuality (Type is String) METADATA_DataQuality_DomainConsistency Description: Describe the group (Type is String) evaluationMethodType: directInternal (Type is String) measureDescription: TBD (Type is String) nameOfMeasure: TBD (Type is String) unitofMeasure: TBD (Type is String) value: NOT_SET (Type is String) fullnamepath: /METADATA/DataQuality/DomainConsistency (Type is String) METADATA_DataQuality_CompletenessOmission Description: Describe the group (Type is String) evaluationMethodType: directInternal (Type is String) measureDescription: TBD (Type is String) nameOfMeasure: TBD (Type is String) unitofMeasure: TBD (Type is String) value: NOT_SET (Type is String) fullnamepath: /METADATA/DataQuality/CompletenessOmission (Type is String) METADATA_ProductSpecificationDocument Description: Describe the group (Type is String) ShortName: ATL21_SDP (Type is String) characterSet: utf8 (Type is String) edition: v4.3 (Type is String) language: eng (Type is String) publicationDate: Feb 2020 (Type is String) title: ICESat-2-SIPS-SPEC-4207 - ATLAS Science Algorithm Standard Data Product (SDP) Volume 12 (ATL10). Revision -. (Type is String) fullnamepath: /METADATA/ProductSpecificationDocument (Type is String) METADATA_SeriesIdentification Description: Describe the group (Type is String) maintenanceAndUpdateFrequency: asNeeded (Type is String) maintenanceDate: SET_BY_META (Type is String) VersionID: 001 (Type is String) language: eng (Type is String) characterSet: utf8 (Type is String) pointOfContact: NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center (Type is String) longName: ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly (Type is String) shortName: ATL21 (Type is String) identifier_product_DOI: doi:10.5067/ATLAS/ATL21.001 (Type is String) revisionDate: 2021-04-26 (Type is String) resourceProviderOrganizationName: National Aeronautics and Space Administration (NASA) (Type is String) abstract: TBD (Type is String) purpose: Scientific Research (Type is String) credit: The software that generates the ATL21 product was designed and implemented within the ICESat-2 Science Investigator-led Processing System at the NASA Goddard Space Flight Center in Greenbelt, Maryland. (Type is String) status: onGoing (Type is String) format: HDF (Type is String) formatVersion: 5 (Type is String) topicCategory: geoscientificInformation (Type is String) mission: ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 (Type is String) fullnamepath: /METADATA/SeriesIdentification (Type is String) METADATA_DatasetIdentification Description: Describe the group (Type is String) spatialRepresentationType: along-track (Type is String) creationDate: 2021-06-16T20:53:42.000000Z (Type is String) uuid: 10f31eb2-15d7-3316-a9a5-804139e39e12 (Type is String) fileName: ATL21-01_20210301005637_10241001_001_01.h5 (Type is String) VersionID: 001 (Type is String) language: eng (Type is String) characterSet: utf8 (Type is String) shortName: ATL21 (Type is String) originatorOrganizationName: GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System (Type is String) abstract: TBD (Type is String) purpose: Scientific Research (Type is String) credit: The software that generates the ATL21 product was designed and implemented within the ICESat-2 Science Investigator-led Processing System at the NASA Goddard Space Flight Center in Greenbelt, Maryland. (Type is String) status: onGoing (Type is String) topicCategory: geoscientificInformation (Type is String) fullnamepath: /METADATA/DatasetIdentification (Type is String) METADATA_Extent Description: Describe the group (Type is String) northBoundLatitude: 88.056195972287952 (Type is Float64) eastBoundLongitude: 179.99999962994104 (Type is Float64) southBoundLatitude: 39.411818807848888 (Type is Float64) westBoundLongitude: -179.99999913327565 (Type is Float64) rangeBeginningDateTime: 2021-03-01T01:17:59.466397Z (Type is String) rangeEndingDateTime: 2021-03-31T23:16:22.450663Z (Type is String) fullnamepath: /METADATA/Extent (Type is String) METADATA_QADatasetIdentification Description: Describe the group (Type is String) abstract: An ASCII product that contains statistical information on data product results. These statistics enable data producers and users to assess the quality of the data in the data product granule (Type is String) creationDate: 2021-06-16T21:07:00.000000Z (Type is String) fileName: ATL21-01_20210301005637_10241001_001_01.qa (Type is String) fullnamepath: /METADATA/QADatasetIdentification (Type is String) METADATA_Lineage Description: Describe the group (Type is String) fullnamepath: /METADATA/Lineage (Type is String) METADATA_Lineage_ANC25_21 Description: Describe the group (Type is String) description: HDF5 template file that defines the organization and default content of the product. (Type is String) fileName: atl21_template.h5 (Type is String) shortName: ANC25-21 (Type is String) uuid: de03c319-fce9-3104-8232-2c7cb2808201 (Type is String) version: 010 (Type is String) fullnamepath: /METADATA/Lineage/ANC25-21 (Type is String) METADATA_Lineage_ANC26_21 Description: Describe the group (Type is String) description: HDF5 template file that defines the organization and default content of the product metadata. (Type is String) fileName: atl21_metadata_template.h5 (Type is String) shortName: ANC26-21 (Type is String) uuid: 2843bbf9-36c4-3151-9493-22603a5fa690 (Type is String) version: 010 (Type is String) fullnamepath: /METADATA/Lineage/ANC26-21 (Type is String) METADATA_Lineage_ANC36_21 Description: Describe the group (Type is String) description: ISO 19139 XML file containing Series-level metadata information. (Type is String) fileName: ATL21.001.series.xml (Type is String) shortName: ANC36-21 (Type is String) uuid: 5ef45e4f-5993-3c98-a165-eae222c2f8ec (Type is String) version: 001 (Type is String) fullnamepath: /METADATA/Lineage/ANC36-21 (Type is String) METADATA_Lineage_ANC38_21 Description: Describe the group (Type is String) description: ISO 19139 XML file containing DataSet-level metadata information. (Type is String) fileName: ATL21.001.dataset.xml (Type is String) shortName: ANC38-21 (Type is String) uuid: edbb3c7d-9414-3e57-be19-7c9c3ab66d01 (Type is String) version: 001 (Type is String) fullnamepath: /METADATA/Lineage/ANC38-21 (Type is String) METADATA_Lineage_ATL10 Description: Describe the group (Type is String) description: ATLAS/ICESat-2 L3A Sea Ice Height (Type is String) end_geoseg: SET_BY_PGE (Type is String) start_geoseg: SET_BY_PGE (Type is String) fileName: ATL10-01_20210301005637_10241001_004_01.h5, ATL10-01_20210301023054_10251001_004_01.h5, ATL10-01_20210301040512_10261001_004_01.h5, ATL10-01_20210301053929_10271001_004_01.h5, ATL10-01_20210301071347_10281001_004_01.h5, ATL10-01_20210301084804_10291001_004_01.h5, ATL10-01_20210301102221_10301001_004_01.h5, ATL10-01_20210301115638_10311001_004_01.h5, ATL10-01_20210301133056_10321001_004_01.h5, ATL10-01_20210301150513_10331001_004_01.h5, ATL10-01_20210301181348_10351001_004_01.h5, 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18f4f628-2117-30c0-bf21-6fe86099ff7c, 12f20672-b2da-3085-b6d7-2f52a830fa6b (Type is String) version: 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 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004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004, 004 (Type is String) start_cycle: 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 (Type is Int32) end_cycle: 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11 (Type is Int32) start_orbit: 13708, 13709, 13710, 13711, 13712, 13713, 13714, 13715, 13716, 13717, 13719, 13720, 13721, 13722, 13723, 13724, 13725, 13726, 13727, 13728, 13729, 13730, 13731, 13732, 13733, 13734, 13735, 13736, 13739, 13740, 13741, 13742, 13743, 13744, 13745, 13746, 13747, 13748, 13749, 13750, 13751, 13752, 13754, 13755, 13756, 13757, 13758, 13759, 13760, 13761, 13762, 13764, 13765, 13766, 13769, 13770, 13771, 13772, 13773, 13774, 13775, 13776, 13777, 13778, 13779, 13780, 13781, 13782, 13783, 13784, 13785, 13786, 13787, 13788, 13789, 13790, 13791, 13792, 13793, 13794, 13795, 13796, 13797, 13798, 13799, 13800, 13801, 13802, 13803, 13804, 13805, 13806, 13807, 13808, 13809, 13810, 13811, 13812, 13815, 13816, 13817, 13818, 13819, 13820, 13821, 13822, 13823, 13825, 13826, 13827, 13828, 13829, 13830, 13831, 13832, 13833, 13834, 13835, 13836, 13837, 13838, 13839, 13840, 13841, 13842, 13843, 13844, 13845, 13846, 13847, 13848, 13849, 13850, 13851, 13852, 13853, 13854, 13855, 13856, 13857, 13858, 13859, 13860, 13861, 13862, 13863, 13864, 13865, 13866, 13867, 13868, 13869, 13870, 13871, 13872, 13873, 13875, 13876, 13877, 13878, 13879, 13880, 13881, 13882, 13883, 13884, 13886, 13887, 13888, 13889, 13890, 13891, 13892, 13893, 13894, 13895, 13896, 13897, 13898, 13899, 13900, 13901, 13902, 13903, 13904, 13905, 13906, 13907, 13908, 13909, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13922, 13923, 13924, 13925, 13926, 13927, 13928, 13929, 13930, 13931, 13932, 13933, 13934, 13935, 13936, 13937, 13938, 13939, 13940, 13941, 13942, 13943, 13944, 13945, 13946, 13947, 13948, 13949, 13952, 13953, 13954, 13955, 13956, 13957, 13960, 13961, 13962, 13963, 13964, 13965, 13966, 13967, 13968, 13969, 13970, 13971, 13972, 13973, 13974, 13975, 13976, 13978, 13979, 13980, 13981, 13982, 13983, 13984, 13985, 13986, 13987, 13988, 13989, 13990, 13991, 13992, 13993, 13994, 13995, 13996, 13997, 13998, 13999, 14000, 14001, 14002, 14003, 14004, 14005, 14006, 14007, 14008, 14009, 14010, 14013, 14014, 14015, 14016, 14017, 14018, 14019, 14020, 14021, 14022, 14023, 14024, 14025, 14026, 14027, 14028, 14029, 14030, 14031, 14032, 14033, 14034, 14035, 14036, 14037, 14038, 14039, 14040, 14041, 14042, 14043, 14044, 14045, 14046, 14047, 14048, 14049, 14050, 14051, 14052, 14054, 14055, 14056, 14057, 14058, 14059, 14060, 14061, 14062, 14063, 14064, 14065, 14066, 14067, 14068, 14069, 14070, 14071, 14074, 14075, 14076, 14077, 14078, 14079, 14080, 14081, 14082, 14083, 14085, 14086, 14087, 14088, 14089, 14090, 14091, 14092, 14093, 14094, 14095, 14096, 14097, 14098, 14099, 14100, 14101, 14102, 14103, 14104, 14105, 14106, 14107, 14108, 14109, 14110, 14111, 14112, 14113, 14114, 14115, 14116, 14117, 14120, 14121, 14122, 14123, 14124, 14125, 14126, 14127, 14128, 14129, 14130, 14131, 14132, 14135, 14136, 14137, 14138, 14139, 14140, 14141, 14142, 14143, 14144, 14145, 14146, 14147, 14148, 14149, 14150, 14151, 14152, 14153, 14154, 14155, 14156, 14157, 14158, 14159, 14160, 14161, 14162, 14163, 14164, 14165, 14166, 14167, 14168, 14169, 14170, 14171, 14172, 14173, 14174, 14175, 14176, 14177, 14178, 14179, 14180 (Type is Int32) end_orbit: 13708, 13709, 13710, 13711, 13712, 13713, 13714, 13715, 13716, 13717, 13719, 13720, 13721, 13722, 13723, 13724, 13725, 13726, 13727, 13728, 13729, 13730, 13731, 13732, 13733, 13734, 13735, 13736, 13739, 13740, 13741, 13742, 13743, 13744, 13745, 13746, 13747, 13748, 13749, 13750, 13751, 13752, 13754, 13755, 13756, 13757, 13758, 13759, 13760, 13761, 13762, 13764, 13765, 13766, 13769, 13770, 13771, 13772, 13773, 13774, 13775, 13776, 13777, 13778, 13779, 13780, 13781, 13782, 13783, 13784, 13785, 13786, 13787, 13788, 13789, 13790, 13791, 13792, 13793, 13794, 13795, 13796, 13797, 13798, 13799, 13800, 13801, 13802, 13803, 13804, 13805, 13806, 13807, 13808, 13809, 13810, 13811, 13812, 13815, 13816, 13817, 13818, 13819, 13820, 13821, 13822, 13823, 13825, 13826, 13827, 13828, 13829, 13830, 13831, 13832, 13833, 13834, 13835, 13836, 13837, 13838, 13839, 13840, 13841, 13842, 13843, 13844, 13845, 13846, 13847, 13848, 13849, 13850, 13851, 13852, 13853, 13854, 13855, 13856, 13857, 13858, 13859, 13860, 13861, 13862, 13863, 13864, 13865, 13866, 13867, 13868, 13869, 13870, 13871, 13872, 13873, 13875, 13876, 13877, 13878, 13879, 13880, 13881, 13882, 13883, 13884, 13886, 13887, 13888, 13889, 13890, 13891, 13892, 13893, 13894, 13895, 13896, 13897, 13898, 13899, 13900, 13901, 13902, 13903, 13904, 13905, 13906, 13907, 13908, 13909, 13910, 13911, 13912, 13913, 13914, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13922, 13923, 13924, 13925, 13926, 13927, 13928, 13929, 13930, 13931, 13932, 13933, 13934, 13935, 13936, 13937, 13938, 13939, 13940, 13941, 13942, 13943, 13944, 13945, 13946, 13947, 13948, 13949, 13952, 13953, 13954, 13955, 13956, 13957, 13960, 13961, 13962, 13963, 13964, 13965, 13966, 13967, 13968, 13969, 13970, 13971, 13972, 13973, 13974, 13975, 13976, 13978, 13979, 13980, 13981, 13982, 13983, 13984, 13985, 13986, 13987, 13988, 13989, 13990, 13991, 13992, 13993, 13994, 13995, 13996, 13997, 13998, 13999, 14000, 14001, 14002, 14003, 14004, 14005, 14006, 14007, 14008, 14009, 14010, 14013, 14014, 14015, 14016, 14017, 14018, 14019, 14020, 14021, 14022, 14023, 14024, 14025, 14026, 14027, 14028, 14029, 14030, 14031, 14032, 14033, 14034, 14035, 14036, 14037, 14038, 14039, 14040, 14041, 14042, 14043, 14044, 14045, 14046, 14047, 14048, 14049, 14050, 14051, 14052, 14054, 14055, 14056, 14057, 14058, 14059, 14060, 14061, 14062, 14063, 14064, 14065, 14066, 14067, 14068, 14069, 14070, 14071, 14074, 14075, 14076, 14077, 14078, 14079, 14080, 14081, 14082, 14083, 14085, 14086, 14087, 14088, 14089, 14090, 14091, 14092, 14093, 14094, 14095, 14096, 14097, 14098, 14099, 14100, 14101, 14102, 14103, 14104, 14105, 14106, 14107, 14108, 14109, 14110, 14111, 14112, 14113, 14114, 14115, 14116, 14117, 14120, 14121, 14122, 14123, 14124, 14125, 14126, 14127, 14128, 14129, 14130, 14131, 14132, 14135, 14136, 14137, 14138, 14139, 14140, 14141, 14142, 14143, 14144, 14145, 14146, 14147, 14148, 14149, 14150, 14151, 14152, 14153, 14154, 14155, 14156, 14157, 14158, 14159, 14160, 14161, 14162, 14163, 14164, 14165, 14166, 14167, 14168, 14169, 14170, 14171, 14172, 14173, 14174, 14175, 14176, 14177, 14178, 14179, 14180 (Type is Int32) start_rgt: 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1080, 1081, 1082, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1141, 1142, 1143, 1144, 1145, 1146, 1147, 1148, 1149, 1150, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184, 1185, 1186, 1187, 1188, 1189, 1191, 1192, 1193, 1194, 1195, 1196, 1197, 1198, 1199, 1200, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219, 1220, 1221, 1222, 1223, 1224, 1225, 1226, 1227, 1228, 1229, 1230, 1231, 1232, 1233, 1234, 1235, 1236, 1237, 1238, 1239, 1240, 1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250, 1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258, 1259, 1260, 1261, 1262, 1263, 1264, 1265, 1268, 1269, 1270, 1271, 1272, 1273, 1276, 1277, 1278, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, 1304, 1305, 1306, 1307, 1308, 1309, 1310, 1311, 1312, 1313, 1314, 1315, 1316, 1317, 1318, 1319, 1320, 1321, 1322, 1323, 1324, 1325, 1326, 1329, 1330, 1331, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 1365, 1366, 1367, 1368, 1370, 1371, 1372, 1373, 1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 (Type is Int32) end_rgt: 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1070, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1080, 1081, 1082, 1085, 1086, 1087, 1088, 1089, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098, 1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 1120, 1121, 1122, 1123, 1124, 1125, 1126, 1127, 1128, 1131, 1132, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1141, 1142, 1143, 1144, 1145, 1146, 1147, 1148, 1149, 1150, 1151, 1152, 1153, 1154, 1155, 1156, 1157, 1158, 1159, 1160, 1161, 1162, 1163, 1164, 1165, 1166, 1167, 1168, 1169, 1170, 1171, 1172, 1173, 1174, 1175, 1176, 1177, 1178, 1179, 1180, 1181, 1182, 1183, 1184, 1185, 1186, 1187, 1188, 1189, 1191, 1192, 1193, 1194, 1195, 1196, 1197, 1198, 1199, 1200, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219, 1220, 1221, 1222, 1223, 1224, 1225, 1226, 1227, 1228, 1229, 1230, 1231, 1232, 1233, 1234, 1235, 1236, 1237, 1238, 1239, 1240, 1241, 1242, 1243, 1244, 1245, 1246, 1247, 1248, 1249, 1250, 1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258, 1259, 1260, 1261, 1262, 1263, 1264, 1265, 1268, 1269, 1270, 1271, 1272, 1273, 1276, 1277, 1278, 1279, 1280, 1281, 1282, 1283, 1284, 1285, 1286, 1287, 1288, 1289, 1290, 1291, 1292, 1294, 1295, 1296, 1297, 1298, 1299, 1300, 1301, 1302, 1303, 1304, 1305, 1306, 1307, 1308, 1309, 1310, 1311, 1312, 1313, 1314, 1315, 1316, 1317, 1318, 1319, 1320, 1321, 1322, 1323, 1324, 1325, 1326, 1329, 1330, 1331, 1332, 1333, 1334, 1335, 1336, 1337, 1338, 1339, 1340, 1341, 1342, 1343, 1344, 1345, 1346, 1347, 1348, 1349, 1350, 1351, 1352, 1353, 1354, 1355, 1356, 1357, 1358, 1359, 1360, 1361, 1362, 1363, 1364, 1365, 1366, 1367, 1368, 1370, 1371, 1372, 1373, 1374, 1375, 1376, 1377, 1378, 1379, 1380, 1381, 1382, 1383, 1384, 1385, 1386, 1387, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109 (Type is Int32) start_region: 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (Type is Int32) end_region: 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14 (Type is Int32) fullnamepath: /METADATA/Lineage/ATL10 (Type is String) METADATA_Lineage_ANC19 Description: Describe the group (Type is String) description: TAI to UTC leapsecond file retrieved from ftp://maia.usno.navy.mil/ser7/tai-utc.dat (Type is String) fileName: tai_utc_2017.dat (Type is String) shortName: ANC19 (Type is String) uuid: 7c66d365-278a-31f7-8fe4-9c80e2f012e5 (Type is String) version: 001 (Type is String) fullnamepath: /METADATA/Lineage/ANC19 (Type is String) METADATA_Lineage_Control Description: Describe the group (Type is String) description: Text-based keyword=value file generated automatically within the ICESat-2 data system that specifies all of the conditions required for each individual run of the software. (Type is String) fileName: CTL_atlas_l3b_si_007146804.ctl (Type is String) shortName: CNTL (Type is String) version: 1 (Type is String) fullnamepath: /METADATA/Lineage/Control (Type is String) METADATA_ProcessStep Description: Describe the group (Type is String) fullnamepath: /METADATA/ProcessStep (Type is String) METADATA_ProcessStep_Metadata Description: Describe the group (Type is String) processDescription: Metadata information is processed by the metadata utility for each granule produced by SIPS. During PGE processing, dynamic metadata are written to the product. Additional static information is provided with the metadata template. The metadata utility reads ISO Dataset and Series metadata files and updates the product with static information from within those files. The utility then merges the static and dynamic metadata to creates output ISO19139 Dataset and Series XML files. Finally the utility reads the ISO19139 Dataset and Series XML files into memory and stores the textual representations as attributes attached to the /METADATA group. (Type is String) identifier: atlas_meta (Type is String) softwareVersion: Version 4.4.2 (Type is String) softwareDate: May 14 2021 (Type is String) softwareTitle: Creates ATLAS XML metadata files (Type is String) runTimeParameters: CTL_atlas_l3b_si_007146804.ctl (Type is String) stepDateTime: 2021-06-16T21:10:04.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/Metadata (Type is String) METADATA_ProcessStep_Browse Description: Describe the group (Type is String) processDescription: Browse processing is performed for each granule SIPS produces. The browse utility reads data from the granule and produces browse images as defined in the respective product ATBD. The utility then embeds each browse image into the product within the /Browse group. (Type is String) identifier: atlas_brw (Type is String) softwareVersion: Version 2.4.2 (Type is String) softwareDate: May 14 2021 (Type is String) softwareTitle: Creates ATLAS HDF5 browse files (Type is String) runTimeParameters: CTL_atlas_l3b_si_007146804.ctl (Type is String) stepDateTime: 2021-06-16T21:07:00.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/Browse (Type is String) METADATA_ProcessStep_PGE Description: Describe the group (Type is String) ATBDDate: 12/04/2019 (Type is String) ATBDTitle: Algorithm Theoretical Basis Document (ATBD) For Sea Ice Products (Type is String) ATBDVersion: N/A (Type is String) documentDate: Feb 2020 (Type is String) documentation: ATLAS Science Algorithm Software Design Description (SDD) - Volume 22 (atlas_l3b_si) (Type is String) processDescription: Computes daily and monthly averages of reference surfaces. (Type is String) identifier: atlas_l3b_si (Type is String) softwareVersion: Version 2.0 (Type is String) softwareDate: May 14 2021 (Type is String) softwareTitle: ASAS L3B SI PGE (Type is String) runTimeParameters: CTL_atlas_l3b_si_007146804.ctl (Type is String) stepDateTime: 2021-06-16T20:53:42.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/PGE (Type is String) METADATA_ProcessStep_QA Description: Describe the group (Type is String) processDescription: QA processing is performed by an external utility on each granule produced by SIPS. The utility reads the granule, performs both generic and product-specific quality-assessment calculations, and writes a text-based quality assessment report. The name and creation data of this report are identified within the QADatasetIdentification metadata (Type is String) identifier: atl21_qa_util (Type is String) softwareVersion: Version 1.0 (Type is String) softwareDate: May 14 2021 (Type is String) softwareTitle: ATL21 QA Utility (Type is String) runTimeParameters: CTL_atlas_l3b_si_007146804.ctl (Type is String) stepDateTime: 2021-06-16T21:07:00.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/QA (Type is String) daily Description: gridded daily averages (Type is String) fullnamepath: /daily (Type is String) daily_day21 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day21 (Type is String) daily_day31 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day31 (Type is String) daily_day18 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day18 (Type is String) daily_day08 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day08 (Type is String) daily_day07 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day07 (Type is String) daily_day23 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day23 (Type is String) daily_day12 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day12 (Type is String) daily_day19 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day19 (Type is String) daily_day15 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day15 (Type is String) daily_day09 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day09 (Type is String) daily_day14 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day14 (Type is String) daily_day04 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day04 (Type is String) daily_day28 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day28 (Type is String) daily_day22 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day22 (Type is String) daily_day26 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day26 (Type is String) daily_day24 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day24 (Type is String) daily_day01 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day01 (Type is String) daily_day11 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day11 (Type is String) daily_day20 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day20 (Type is String) daily_day17 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day17 (Type is String) daily_day02 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day02 (Type is String) daily_day16 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day16 (Type is String) daily_day27 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day27 (Type is String) daily_day06 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day06 (Type is String) daily_day03 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day03 (Type is String) daily_day25 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day25 (Type is String) daily_day05 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day05 (Type is String) daily_day10 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day10 (Type is String) daily_day30 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day30 (Type is String) daily_day29 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day29 (Type is String) daily_day13 Description: Gridded daily averages (Type is String) fullnamepath: /daily/day13 (Type is String) monthly Description: Gridded Monthly averages (Type is String) fullnamepath: /monthly (Type is String) quality_assessment Description: Contains quality assessment data. This may include QA counters, QA along-track data and/or QA summary data. (Type is String) fullnamepath: /quality_assessment (Type is String) ancillary_data Description: Contains information ancillary to the data product. This may include product characteristics, instrument characteristics and/or processing constants. (Type is String) fullnamepath: /ancillary_data (Type is String) ancillary_data_refsurf_selection Description: These parameters control which reference surfaces from ATL10 are included processing for the output ATL21. The selection of reference surface is determined using the beam_refsurf_interp_flag on ATL10 in group /gtx/freeboard_beam_segment/. (Type is String) fullnamepath: /ancillary_data/refsurf_selection (Type is String) ancillary_data_beam_selection Description: These parameters control which laser beam spots from ATL10 are included in the output ATL21. (Type is String) fullnamepath: /ancillary_data/beam_selection (Type is String) DODS_EXTRA Unlimited_Dimension: orbit_info_crossing_time orbit_info_sc_orient_time grid_y grid_x (Type is String)

Global Dimensions	View/Hide [ /orbit_info_crossing_time = 0..445 ] [ /orbit_info_sc_orient_time = 0..0 ] [ /grid_y = 0..447 ] [ /grid_x = 0..303 ] [ /FakeDim0 = 0..0 ]

Variables	orbit_info_crossing_time[ /orbit_info_crossing_time= 0..445] (Type is Float64) attributes contentType: referenceInformation (Type is String) description: The time, in seconds since the ATLAS SDP GPS Epoch, at which the ascending node crosses the equator. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Ascending Node Crossing Time (Type is String) source: POD/PPD (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: crossing_time (Type is String) fullnamepath: /orbit_info/crossing_time (Type is String) orbit_info_sc_orient_time[ /orbit_info_sc_orient_time= 0..0] (Type is Float64) attributes contentType: referenceInformation (Type is String) description: The time of the last spacecraft orientation change between forward, backward and transitional flight modes, expressed in seconds since the ATLAS SDP GPS Epoch. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Time of Last Spacecraft Orientation Change (Type is String) source: POD/PPD (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: sc_orient_time (Type is String) fullnamepath: /orbit_info/sc_orient_time (Type is String) grid_lat[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float64) attributes contentType: referenceInformation (Type is String) coordinates: grid_x grid_y (Type is String) description: Grid cell center latitude (Type is String) long_name: gridded latitude (Type is String) source: Sea Ice ATBD (Type is String) units: degrees_north (Type is String) origname: grid_lat (Type is String) fullnamepath: /grid_lat (Type is String) grid_lon[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float64) attributes contentType: referenceInformation (Type is String) coordinates: grid_x grid_y (Type is String) description: Grid cell center longitude (Type is String) long_name: gridded longitude (Type is String) source: Sea Ice ATBD (Type is String) units: degrees_east (Type is String) origname: grid_lon (Type is String) fullnamepath: /grid_lon (Type is String) FakeDim0[ /FakeDim0= 0..0] (Type is Int32) attributes units: level (Type is String) orbit_info_cycle_number[ /orbit_info_crossing_time= 0..445] (Type is Int8) attributes contentType: referenceInformation (Type is String) description: A count of the number of exact repeats of this reference orbit. (Type is String) long_name: Cycle Number (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 50 (Type is Int8) valid_min: 0 (Type is Int8) origname: cycle_number (Type is String) fullnamepath: /orbit_info/cycle_number (Type is String) coordinates: orbit_info_crossing_time (Type is String) orbit_info_orbit_number[ /orbit_info_crossing_time= 0..445] (Type is UInt16) attributes contentType: referenceInformation (Type is String) description: Unique identifying number for each planned ICESat-2 orbit. (Type is String) long_name: Orbit Number (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 65000 (Type is UInt16) valid_min: 1 (Type is UInt16) origname: orbit_number (Type is String) fullnamepath: /orbit_info/orbit_number (Type is String) coordinates: orbit_info_crossing_time (Type is String) orbit_info_rgt[ /orbit_info_crossing_time= 0..445] (Type is Int16) attributes contentType: referenceInformation (Type is String) description: The reference ground track (RGT) is the track on the earth at which a specified unit vector within the observatory is pointed. Under nominal operating conditions, there will be no data collected along the RGT, as the RGT is spanned by GT3 and GT4. During slews or off-pointing, it is possible that ground tracks may intersect the RGT. The ICESat-2 mission has 1387 RGTs. (Type is String) long_name: Reference Ground track (Type is String) source: POD/PPD (Type is String) units: 1 (Type is String) valid_max: 1387 (Type is Int16) valid_min: 1 (Type is Int16) origname: rgt (Type is String) fullnamepath: /orbit_info/rgt (Type is String) coordinates: orbit_info_crossing_time (Type is String) orbit_info_sc_orient[ /orbit_info_sc_orient_time= 0..0] (Type is Int8) attributes contentType: referenceInformation (Type is String) description: This parameter tracks the spacecraft orientation between forward, backward and transitional flight modes. ICESat-2 is considered to be flying forward when the weak beams are leading the strong beams; and backward when the strong beams are leading the weak beams. ICESat-2 is considered to be in transition while it is maneuvering between the two orientations. Science quality is potentially degraded while in transition mode. (Type is String) flag_meanings: backward forward transition (Type is String) flag_values: 0, 1, 2 (Type is Int8) long_name: Spacecraft Orientation (Type is String) source: POD/PPD (Type is String) units: 1 (Type is String) valid_max: 2 (Type is Int8) valid_min: 0 (Type is Int8) origname: sc_orient (Type is String) fullnamepath: /orbit_info/sc_orient (Type is String) coordinates: orbit_info_sc_orient_time (Type is String) orbit_info_lan[ /orbit_info_crossing_time= 0..445] (Type is Float64) attributes contentType: referenceInformation (Type is String) description: Longitude at the ascending node crossing. (Type is String) long_name: Ascending Node Longitude (Type is String) source: POD/PPD (Type is String) units: degrees_east (Type is String) valid_max: 180.00000000000000 (Type is Float64) valid_min: -180.00000000000000 (Type is Float64) origname: lan (Type is String) fullnamepath: /orbit_info/lan (Type is String) coordinates: orbit_info_crossing_time (Type is String) daily_day21_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day21/delta_time_end (Type is String) daily_day21_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day21/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day21/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day21/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day21/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day21/delta_time_beg (Type is String) daily_day21_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day21/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day21/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day21_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day21/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day31/delta_time_end (Type is String) daily_day31_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day31/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day31/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day31/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day31/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day31/delta_time_beg (Type is String) daily_day31_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day31/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day31/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day31_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day31/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day18/delta_time_end (Type is String) daily_day18_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day18/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day18/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day18/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day18/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day18/delta_time_beg (Type is String) daily_day18_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day18/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day18/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day18_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day18/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day08/delta_time_end (Type is String) daily_day08_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day08/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day08/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day08/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day08/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day08/delta_time_beg (Type is String) daily_day08_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day08/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day08/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day08_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day08/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day07/delta_time_end (Type is String) daily_day07_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day07/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day07/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day07/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day07/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day07/delta_time_beg (Type is String) daily_day07_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day07/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day07/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day07_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day07/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day23/delta_time_end (Type is String) daily_day23_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day23/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day23/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day23/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day23/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day23/delta_time_beg (Type is String) daily_day23_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day23/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day23/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day23_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day23/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day12/delta_time_end (Type is String) daily_day12_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day12/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day12/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day12/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day12/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day12/delta_time_beg (Type is String) daily_day12_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day12/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day12/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day12_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day12/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day19/delta_time_end (Type is String) daily_day19_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day19/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day19/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day19/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day19/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day19/delta_time_beg (Type is String) daily_day19_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day19/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day19/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day19_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day19/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day15/delta_time_end (Type is String) daily_day15_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day15/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day15/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day15/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day15/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day15/delta_time_beg (Type is String) daily_day15_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day15/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day15/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day15_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day15/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day09/delta_time_end (Type is String) daily_day09_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day09/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day09/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day09/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day09/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day09/delta_time_beg (Type is String) daily_day09_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day09/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day09/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day09_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day09/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day14/delta_time_end (Type is String) daily_day14_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day14/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day14/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day14/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day14/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day14/delta_time_beg (Type is String) daily_day14_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day14/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day14/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day14_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day14/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day04/delta_time_end (Type is String) daily_day04_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day04/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day04/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day04/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day04/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day04/delta_time_beg (Type is String) daily_day04_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day04/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day04/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day04_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day04/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day28/delta_time_end (Type is String) daily_day28_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day28/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day28/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day28/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day28/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day28/delta_time_beg (Type is String) daily_day28_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day28/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day28/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day28_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day28/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day22/delta_time_end (Type is String) daily_day22_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day22/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day22/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day22/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day22/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day22/delta_time_beg (Type is String) daily_day22_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day22/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day22/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day22_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day22/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day26/delta_time_end (Type is String) daily_day26_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day26/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day26/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day26/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day26/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day26/delta_time_beg (Type is String) daily_day26_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day26/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day26/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day26_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day26/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day24/delta_time_end (Type is String) daily_day24_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day24/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day24/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day24/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day24/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day24/delta_time_beg (Type is String) daily_day24_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day24/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day24/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day24_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day24/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day01/delta_time_end (Type is String) daily_day01_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day01/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day01/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day01/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day01/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day01/delta_time_beg (Type is String) daily_day01_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day01/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day01/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day01_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day01/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day11/delta_time_end (Type is String) daily_day11_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day11/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day11/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day11/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day11/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day11/delta_time_beg (Type is String) daily_day11_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day11/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day11/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day11_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day11/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day20/delta_time_end (Type is String) daily_day20_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day20/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day20/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day20/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day20/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day20/delta_time_beg (Type is String) daily_day20_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day20/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day20/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day20_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day20/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day17/delta_time_end (Type is String) daily_day17_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day17/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day17/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day17/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day17/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day17/delta_time_beg (Type is String) daily_day17_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day17/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day17/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day17_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day17/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day02/delta_time_end (Type is String) daily_day02_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day02/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day02/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day02/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day02/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day02/delta_time_beg (Type is String) daily_day02_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day02/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day02/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day02_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day02/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day16/delta_time_end (Type is String) daily_day16_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day16/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day16/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day16/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day16/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day16/delta_time_beg (Type is String) daily_day16_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day16/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day16/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day16_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day16/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day27/delta_time_end (Type is String) daily_day27_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day27/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day27/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day27/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day27/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day27/delta_time_beg (Type is String) daily_day27_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day27/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day27/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day27_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day27/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day06/delta_time_end (Type is String) daily_day06_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day06/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day06/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day06/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day06/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day06/delta_time_beg (Type is String) daily_day06_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day06/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day06/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day06_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day06/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day03/delta_time_end (Type is String) daily_day03_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day03/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day03/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day03/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day03/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day03/delta_time_beg (Type is String) daily_day03_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day03/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day03/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day03_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day03/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day25/delta_time_end (Type is String) daily_day25_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day25/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day25/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day25/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day25/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day25/delta_time_beg (Type is String) daily_day25_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day25/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day25/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day25_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day25/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day05/delta_time_end (Type is String) daily_day05_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day05/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day05/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day05/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day05/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day05/delta_time_beg (Type is String) daily_day05_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day05/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day05/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day05_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day05/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day10/delta_time_end (Type is String) daily_day10_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day10/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day10/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day10/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day10/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day10/delta_time_beg (Type is String) daily_day10_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day10/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day10/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day10_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day10/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day30/delta_time_end (Type is String) daily_day30_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day30/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day30/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day30/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day30/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day30/delta_time_beg (Type is String) daily_day30_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day30/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day30/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day30_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day30/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day29/delta_time_end (Type is String) daily_day29_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day29/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day29/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day29/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day29/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day29/delta_time_beg (Type is String) daily_day29_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day29/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day29/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day29_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day29/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /daily/day13/delta_time_end (Type is String) daily_day13_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Daily mean sea surface height anomalies (SSHA) for each daily grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) using the reference surface heights. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /daily/day13/mean_ssha (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each daily grid cell. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /daily/day13/n_refsurfs (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the Mean Sea Surface (MSS) values sampled at each reference surface height location used in the daily grid cell. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /daily/day13/mean_weighted_mss (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the solid earth permanent tide correction (height_segment_earth_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /daily/day13/mean_weighted_earth_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /daily/day13/delta_time_beg (Type is String) daily_day13_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid values (height_segment_geoid in ATL10) sampled at each reference surface height location used in the daily grid cell. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /daily/day13/mean_weighted_geoid (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean of the geoid free-to-mean correction (height_segment_geoid_free2mean in ATL10) sampled at each reference surface height location used in the daily grid cell. Subtract from mean_weighted_mss or mean_weighted_geoid to convert to a tide-free system. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /daily/day13/mean_weighted_geoid_free2mean (Type is String) coordinates: ______grid_x ______grid_y (Type is String) daily_day13_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of daily gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../../crs: ../../grid_x ../../crs: ../../grid_y (Type is String) long_name: Daily standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /daily/day13/sigma (Type is String) coordinates: ______grid_x ______grid_y (Type is String) monthly_delta_time_end[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the last reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_end (Type is String) fullnamepath: /monthly/delta_time_end (Type is String) monthly_mean_ssha[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Monthly mean sea surface height anomalies (SSHA) for each monthly grid cell. Sea surface height anomalies expressed relative to the mean sea surface (other geophysical corrections also applied, as indicated in the ATBD) calculated as the mean of all available daily mean_ssha values. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly mean sea surface height anomalies (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_ssha (Type is String) fullnamepath: /monthly/mean_ssha (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_n_refsurfs[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: modelResult (Type is String) description: Number of reference surface sections used in each monthly grid cell (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly population count (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) origname: n_refsurfs (Type is String) fullnamepath: /monthly/n_refsurfs (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_mean_weighted_mss[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean monthly MSS calculated from all available daily mean_weighted_mss values. MSS is expressed relative to the WGS-84 reference ellipsoid from a DTU/CS-2 merged product (https://doi.org/10.5281/zenodo.4294047) and is in a mean-tide system. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly mean MSS (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_mss (Type is String) fullnamepath: /monthly/mean_weighted_mss (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_mean_weighted_earth_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean monthly solid earth permanent tide correction calculated from all available daily mean_weighted_earth_free2mean values. Subtract from mean_ssha to remove the solid earth permanent tide. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly mean solid earth tide free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: solid earth tide free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_earth_free2mean (Type is String) fullnamepath: /monthly/mean_weighted_earth_free2mean (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_delta_time_beg[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: modelResult (Type is String) description: Center time of the first reference surface used in this gridded composite in seconds since the ATLAS SDP GPS Epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: Elapsed GPS seconds (Type is String) source: Derived via Time Tagging (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: delta_time_beg (Type is String) fullnamepath: /monthly/delta_time_beg (Type is String) monthly_mean_weighted_geoid[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean monthly geoid calculated from all available daily mean_weighted_geoid values. Geoid is expressed relative to the WGS-84 reference ellipsoid from EGM2008 and is in a mean-tide system. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly mean geoid (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) origname: mean_weighted_geoid (Type is String) fullnamepath: /monthly/mean_weighted_geoid (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_mean_weighted_geoid_free2mean[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) description: Mean monthly geoid free-to-mean correction calculated from all available daily mean_weighted_geoid values. Subtract from mean_weighted_mss or mean_weighted_geoid to covert to a tide-free system. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly mean geoid free-to-mean conversion (Type is String) source: Sea Ice ATBD (Type is String) standard_name: geoid free2mean (Type is String) units: meters (Type is String) origname: mean_weighted_geoid_free2mean (Type is String) fullnamepath: /monthly/mean_weighted_geoid_free2mean (Type is String) coordinates: ___grid_x ___grid_y (Type is String) monthly_sigma[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Float32) attributes description: Standard deviation of monthly gridded mean sea surface height anomaly, computed following ATBD section 6.3. (Type is String) grid_mapping: ../crs: ../grid_x ../crs: ../grid_y (Type is String) long_name: Monthly standard deviation (Type is String) source: Sea Ice ATBD (Type is String) units: meters (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) contentType: modelResult (Type is String) origname: sigma (Type is String) fullnamepath: /monthly/sigma (Type is String) coordinates: ___grid_x ___grid_y (Type is String) quality_assessment_qa_granule_fail_reason[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: qualityInformation (Type is String) description: Flag indicating granule failure reason. 0=no failure; 1=processing error; 2=Insufficient output data was generated; 3=TBD Failure; 4=TBD_Failure; 5=other failure. (Type is String) flag_meanings: no_failure PROCESS_ERROR INSUFFICIENT_OUTPUT failure_3 failure_4 OTHER_FAILURE (Type is String) flag_values: 0, 1, 2, 3, 4, 5 (Type is Int32) long_name: Granule Failure Reason (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 5 (Type is Int32) valid_min: 0 (Type is Int32) origname: qa_granule_fail_reason (Type is String) fullnamepath: /quality_assessment/qa_granule_fail_reason (Type is String) quality_assessment_qa_granule_pass_fail[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: qualityInformation (Type is String) description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. (Type is String) flag_meanings: PASS FAIL (Type is String) flag_values: 0, 1 (Type is Int32) long_name: Granule Pass Flag (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int32) valid_min: 0 (Type is Int32) origname: qa_granule_pass_fail (Type is String) fullnamepath: /quality_assessment/qa_granule_pass_fail (Type is String) land_mask_map[ /grid_y= 0..447] [ /grid_x= 0..303] (Type is Int32) attributes _FillValue: 2147483647 (Type is Int32) contentType: referenceInformation (Type is String) coordinates: grid_x grid_y (Type is String) description: Gridded map which describes each grid cell as land (=1) or ocean/sea ice (=0) (Type is String) long_name: land mask map (Type is String) source: Sea Ice ATBD (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int32) valid_min: 0 (Type is Int32) origname: land_mask_map (Type is String) fullnamepath: /land_mask_map (Type is String) ancillary_data_refsurf_selection_process_refsurf_0[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if reference surfaces with interpolation flag value of 0 is processed for the ATL21 product. (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Reference Surface type 0 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: process_refsurf_0 (Type is String) fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_0 (Type is String) ancillary_data_refsurf_selection_process_refsurf_1[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if reference surfaces with interpolation flag value of 1 is processed for the ATL21 product. (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Reference Surface type 1 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: process_refsurf_1 (Type is String) fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_1 (Type is String) ancillary_data_refsurf_selection_process_refsurf_2[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if reference surfaces with interpolation flag value of 2 is processed for the ATL21 product. (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Reference Surface type 2 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: process_refsurf_2 (Type is String) fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_2 (Type is String) ancillary_data_refsurf_selection_process_refsurf_3[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if reference surfaces with interpolation flag value of 3 is processed for the ATL21 product. (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Reference Surface type 3 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: process_refsurf_3 (Type is String) fullnamepath: /ancillary_data/refsurf_selection/process_refsurf_3 (Type is String) ancillary_data_release[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) description: Release number of the granule. The release number is incremented when the software or ancillary data used to create the granule has been changed. (Type is String) long_name: Release Number (Type is String) source: Operations (Type is String) units: 1 (Type is String) origname: release (Type is String) fullnamepath: /ancillary_data/release (Type is String) ancillary_data_end_geoseg[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) source: Derived (Type is String) description: The ending geolocation segment number associated with the data contained within this granule. ICESat-2 granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String) long_name: Ending Geolocation Segment (Type is String) units: 1 (Type is String) origname: end_geoseg (Type is String) fullnamepath: /ancillary_data/end_geoseg (Type is String) ancillary_data_version[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) description: Version number of this granule within the release. It is a sequential number corresponding to the number of times the granule has been reprocessed for the current release. (Type is String) long_name: Version (Type is String) source: Operations (Type is String) units: 1 (Type is String) origname: version (Type is String) fullnamepath: /ancillary_data/version (Type is String) ancillary_data_end_region[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The ending product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String) long_name: Ending Region (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: end_region (Type is String) fullnamepath: /ancillary_data/end_region (Type is String) ancillary_data_atlas_sdp_gps_epoch[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: auxiliaryInformation (Type is String) description: Number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS Standard Data Product (SDP) epoch (2018-01-01:T00.00.00.000000 UTC). Add this value to delta time parameters to compute full gps_seconds (relative to the GPS epoch) for each data point. (Type is String) long_name: ATLAS Epoch Offset (Type is String) source: Operations (Type is String) units: seconds since 1980-01-06T00:00:00.000000Z (Type is String) origname: atlas_sdp_gps_epoch (Type is String) fullnamepath: /ancillary_data/atlas_sdp_gps_epoch (Type is String) ancillary_data_end_rgt[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The ending reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String) long_name: Ending Reference Groundtrack (Type is String) source: Derived (Type is String) units: 1 (Type is String) valid_max: 1387 (Type is Int32) valid_min: 1 (Type is Int32) origname: end_rgt (Type is String) fullnamepath: /ancillary_data/end_rgt (Type is String) ancillary_data_end_delta_time[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: auxiliaryInformation (Type is String) source: Derived (Type is String) description: Number of GPS seconds since the ATLAS SDP epoch at the last data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: ATLAS End Time (Actual) (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: end_delta_time (Type is String) fullnamepath: /ancillary_data/end_delta_time (Type is String) ancillary_data_end_orbit[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The ending orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String) long_name: Ending Orbit Number (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: end_orbit (Type is String) fullnamepath: /ancillary_data/end_orbit (Type is String) ancillary_data_start_cycle[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The starting cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String) long_name: Starting Cycle (Type is String) source: Derived (Type is String) units: 1 (Type is String) valid_max: 99 (Type is Int32) valid_min: 0 (Type is Int32) origname: start_cycle (Type is String) fullnamepath: /ancillary_data/start_cycle (Type is String) ancillary_data_data_end_utc[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) source: Derived (Type is String) description: UTC (in CCSDS-A format) of the last data point within the granule. (Type is String) long_name: End UTC Time of Granule (CCSDS-A, Actual) (Type is String) units: 1 (Type is String) origname: data_end_utc (Type is String) fullnamepath: /ancillary_data/data_end_utc (Type is String) ancillary_data_control[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. (Type is String) long_name: Control File (Type is String) source: Operations (Type is String) units: 1 (Type is String) origname: control (Type is String) fullnamepath: /ancillary_data/control (Type is String) ancillary_data_start_gpssow[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: auxiliaryInformation (Type is String) description: GPS seconds-of-week of the first data point in the granule. (Type is String) long_name: Start GPS SOW of Granule (Actual) (Type is String) source: Derived (Type is String) units: seconds (Type is String) origname: start_gpssow (Type is String) fullnamepath: /ancillary_data/start_gpssow (Type is String) ancillary_data_granule_end_utc[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) description: Requested end time (in UTC CCSDS-A) of this granule. (Type is String) long_name: End UTC Time of Granule (CCSDS-A, Requested) (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: granule_end_utc (Type is String) fullnamepath: /ancillary_data/granule_end_utc (Type is String) ancillary_data_beam_selection_proc_atl21_spot_1[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if spot 1 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 1 for ATL21 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_1 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_1 (Type is String) ancillary_data_beam_selection_proc_atl21_spot_2[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if spot 2 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 2 for ATL21 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_2 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_2 (Type is String) ancillary_data_beam_selection_proc_atl21_spot_3[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if spot 3 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 3 for ATL21 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_3 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_3 (Type is String) ancillary_data_beam_selection_proc_atl21_spot_4[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) description: Indicates if spot 4 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 4 for ATL21 (Type is String) source: Operations (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_4 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_4 (Type is String) ancillary_data_beam_selection_proc_atl21_spot_5[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) source: Operations (Type is String) description: Indicates if spot 5 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 5 for ATL21 (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_5 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_5 (Type is String) ancillary_data_beam_selection_proc_atl21_spot_6[ /FakeDim0= 0..0] (Type is Int8) attributes contentType: auxiliaryInformation (Type is String) source: Operations (Type is String) description: Indicates if spot 6 is processed for the ATL21 product (Type is String) flag_meanings: not_processed processed (Type is String) flag_values: 0, 1 (Type is Int8) long_name: Processing Flag for Spot 6 for ATL21 (Type is String) units: 1 (Type is String) valid_max: 1 (Type is Int8) valid_min: 0 (Type is Int8) origname: proc_atl21_spot_6 (Type is String) fullnamepath: /ancillary_data/beam_selection/proc_atl21_spot_6 (Type is String) ancillary_data_end_cycle[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) long_name: Ending Cycle (Type is String) description: The ending cycle number associated with the data contained within this granule. The cycle number is the counter of the number of 91-day repeat cycles completed by the mission. (Type is String) source: Derived (Type is String) units: 1 (Type is String) valid_max: 99 (Type is Int32) valid_min: 0 (Type is Int32) origname: end_cycle (Type is String) fullnamepath: /ancillary_data/end_cycle (Type is String) ancillary_data_granule_start_utc[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) description: Requested start time (in UTC CCSDS-A) of this granule. (Type is String) long_name: Start UTC Time of Granule (CCSDS-A, Requested) (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: granule_start_utc (Type is String) fullnamepath: /ancillary_data/granule_start_utc (Type is String) ancillary_data_start_delta_time[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: auxiliaryInformation (Type is String) description: Number of GPS seconds since the ATLAS SDP epoch at the first data point in the file. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed. (Type is String) long_name: ATLAS Start Time (Actual) (Type is String) source: Derived (Type is String) standard_name: time (Type is String) units: seconds since 2018-01-01 (Type is String) origname: start_delta_time (Type is String) fullnamepath: /ancillary_data/start_delta_time (Type is String) ancillary_data_start_geoseg[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The starting geolocation segment number associated with the data contained within this granule. ICESat-2 granule geographic regions are further refined by geolocation segments. During the geolocation process, a geolocation segment is created approximately every 20m from the start of the orbit to the end. The geolocation segments help align the ATLAS strong a weak beams and provide a common segment length for the L2 and higher products. The geolocation segment indices differ slightly from orbit-to-orbit because of the irregular shape of the Earth. The geolocation segment indices on ATL01 and ATL02 are only approximate because beams have not been aligned at the time of their creation. (Type is String) long_name: Starting Geolocation Segment (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: start_geoseg (Type is String) fullnamepath: /ancillary_data/start_geoseg (Type is String) ancillary_data_start_orbit[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The starting orbit number associated with the data contained within this granule. The orbit number increments each time the spacecraft completes a full orbit of the Earth. (Type is String) long_name: Starting Orbit Number (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: start_orbit (Type is String) fullnamepath: /ancillary_data/start_orbit (Type is String) ancillary_data_data_start_utc[ /FakeDim0= 0..0] (Type is String) attributes contentType: auxiliaryInformation (Type is String) source: Derived (Type is String) description: UTC (in CCSDS-A format) of the first data point within the granule. (Type is String) long_name: Start UTC Time of Granule (CCSDS-A, Actual) (Type is String) units: 1 (Type is String) origname: data_start_utc (Type is String) fullnamepath: /ancillary_data/data_start_utc (Type is String) ancillary_data_end_gpsweek[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: GPS week number of the last data point in the granule. (Type is String) long_name: Ending GPSWeek of Granule (Actual) (Type is String) source: Derived (Type is String) units: weeks from 1980-01-06 (Type is String) origname: end_gpsweek (Type is String) fullnamepath: /ancillary_data/end_gpsweek (Type is String) ancillary_data_start_rgt[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The starting reference groundtrack (RGT) number associated with the data contained within this granule. There are 1387 reference groundtrack in the ICESat-2 repeat orbit. The reference groundtrack increments each time the spacecraft completes a full orbit of the Earth and resets to 1 each time the spacecraft completes a full cycle. (Type is String) long_name: Starting Reference Groundtrack (Type is String) source: Derived (Type is String) units: 1 (Type is String) valid_max: 1387 (Type is Int32) valid_min: 1 (Type is Int32) origname: start_rgt (Type is String) fullnamepath: /ancillary_data/start_rgt (Type is String) ancillary_data_end_gpssow[ /FakeDim0= 0..0] (Type is Float64) attributes contentType: auxiliaryInformation (Type is String) description: GPS seconds-of-week of the last data point in the granule. (Type is String) long_name: Ending GPS SOW of Granule (Actual) (Type is String) source: Derived (Type is String) units: seconds (Type is String) origname: end_gpssow (Type is String) fullnamepath: /ancillary_data/end_gpssow (Type is String) ancillary_data_start_region[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: The starting product-specific region number associated with the data contained within this granule. ICESat-2 data products are separated by geographic regions. The data contained within a specific region are the same for ATL01 and ATL02. ATL03 regions differ slightly because of different geolocation segment locations caused by the irregular shape of the Earth. The region indices for other products are completely independent. (Type is String) long_name: Starting Region (Type is String) source: Derived (Type is String) units: 1 (Type is String) origname: start_region (Type is String) fullnamepath: /ancillary_data/start_region (Type is String) ancillary_data_start_gpsweek[ /FakeDim0= 0..0] (Type is Int32) attributes contentType: auxiliaryInformation (Type is String) description: GPS week number of the first data point in the granule. (Type is String) long_name: Start GPSWeek of Granule (Actual) (Type is String) source: Derived (Type is String) units: weeks from 1980-01-06 (Type is String) origname: start_gpsweek (Type is String) fullnamepath: /ancillary_data/start_gpsweek (Type is String) crs[ /FakeDim0= 0..0] (Type is Int8) attributes crs_wkt: "PROJCS["NSIDC Sea Ice Polar Stereographic North",GEOGCS["Unspecified datum based upon the Hughes 1980 ellipsoid",DATUM["Not_specified_based_on_Hughes_1980_ellipsoid",SPHEROID["Hughes 1980",6378273,298.279411123061,AUTHORITY["EPSG","7058"]],AUTHORITY["EPSG","6054"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4054"]],PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",70],PARAMETER["central_meridian",-45],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["X",EAST],AXIS["Y",NORTH],AUTHORITY["EPSG","3411"]] (Type is String) proj4text: +proj=stere +lat_0=90 +lat_ts=70 +lon_0=-45 +k=1 +x_0=0 +y_0=0 +a=6378273 +b=6356889.449 +units=m +no_defs (Type is String) false_easting: 0.0000000000000000 (Type is Float64) false_northing: 0.0000000000000000 (Type is Float64) grid_mapping_name: polar_stereographic (Type is String) inverse_flattening: 298.27941112306098 (Type is Float64) semi_major_axis: 6378273.0000000000 (Type is Float64) latitude_of_projection_origin: 90.000000000000000 (Type is Float64) longitude_of_projection_origin: -45.000000000000000 (Type is Float64) standard_parallel: 70.000000000000000 (Type is Float64) srid: urn:ogc:def:crs:EPSG::3411 (Type is String) origname: crs (Type is String) fullnamepath: /crs (Type is String) grid_x[ /grid_x= 0..303] (Type is Float64) attributes axis: X (Type is String) contentType: referenceInformation (Type is String) coordinates: grid_y (Type is String) description: Grid cell center X value in projection grid (Type is String) grid_mapping: crs (Type is String) long_name: gridded x (Type is String) source: Sea Ice ATBD (Type is String) standard_name: projection_x_coordinate (Type is String) units: meters (Type is String) origname: grid_x (Type is String) fullnamepath: /grid_x (Type is String) grid_y[ /grid_y= 0..447] (Type is Float64) attributes axis: Y (Type is String) contentType: referenceInformation (Type is String) coordinates: grid_x (Type is String) description: Grid cell center Y value in projection grid (Type is String) grid_mapping: crs (Type is String) long_name: gridded y (Type is String) source: Sea Ice ATBD (Type is String) standard_name: projection_y_coordinate (Type is String) units: meters (Type is String) origname: grid_y (Type is String) fullnamepath: /grid_y (Type is String)

dataset: ATL21-01_20210301005637_10241001_001_01.h5
dmr

OPeNDAP Hyrax (1.17.0)
Documentation Questions? Contact Support

dataset: ATL21-01_20210301005637_10241001_001_01.h5 dmr

OPeNDAP Hyrax (1.17.0) Documentation Questions? Contact Support

dataset: ATL21-01_20210301005637_10241001_001_01.h5
dmr

OPeNDAP Hyrax (1.17.0)
Documentation Questions? Contact Support