ds_surf_type[ /ds_surf_type= 0..4] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Surface Type Dimension Scale (Type is String)
- description: Dimension scale indexing the surface type array. Index=1 corresponds to Land; index = 2 corresponds to Ocean; Index = 3 corresponds to SeaIce; Index=4 corresponds to LandIce; Index=5 corresponds to InlandWater (Type is String)
- flag_meanings: land ocean seaice landice inland_water (Type is String)
- flag_values: 1, 2, 3, 4, 5 (Type is Int32)
- valid_min: 1 (Type is Int32)
- valid_max: 5 (Type is Int32)
- origname: ds_surf_type (Type is String)
- fullnamepath: /ds_surf_type (Type is String)

ds_y_bins[ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Dimension Scale for Y (Type is String)
- description: Bin values for the y histogram. (Type is String)
- origname: ds_y_bins (Type is String)
- fullnamepath: /ds_y_bins (Type is String)

gt1l_ssh_segments_delta_time[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt1l/ssh_segments/delta_time (Type is String)

gt1r_ssh_segments_delta_time[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt1r/ssh_segments/delta_time (Type is String)

gt2l_ssh_segments_delta_time[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt2l/ssh_segments/delta_time (Type is String)

gt2r_ssh_segments_delta_time[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt2r/ssh_segments/delta_time (Type is String)

gt3l_ssh_segments_delta_time[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt3l/ssh_segments/delta_time (Type is String)

gt3r_ssh_segments_delta_time[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Elapsed GPS seconds (Type is String)
- standard_name: time (Type is String)
- description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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)
- source: telemetry (Type is String)
- origname: delta_time (Type is String)
- fullnamepath: /gt3r/ssh_segments/delta_time (Type is String)

orbit_info_crossing_time[ /orbit_info_crossing_time= 0..3] (Type is Float64)

attributes
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ascending Node Crossing Time (Type is String)
- standard_name: time (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)
- source: POD/PPD (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
- units: seconds since 2018-01-01 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Time of Last Spacecraft Orientation Change (Type is String)
- standard_name: time (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)
- source: POD/PPD (Type is String)
- origname: sc_orient_time (Type is String)
- fullnamepath: /orbit_info/sc_orient_time (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..3] (Type is Int8)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Cycle Number (Type is String)
- description: A count of the number of exact repeats of this reference orbit. (Type is String)
- source: Operations (Type is String)
- valid_min: 0 (Type is Int8)
- valid_max: 50 (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..3] (Type is UInt16)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit. (Type is String)
- source: Operations (Type is String)
- valid_min: 1 (Type is UInt16)
- valid_max: 65000 (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_lan[ /orbit_info_crossing_time= 0..3] (Type is Float64)

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

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

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Spacecraft Orientation (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)
- source: POD/PPD (Type is String)
- flag_meanings: backward forward transition (Type is String)
- flag_values: 0, 1, 2 (Type is Int8)
- valid_min: 0 (Type is Int8)
- valid_max: 2 (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_rgt[ /orbit_info_crossing_time= 0..3] (Type is Int16)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Reference Ground track (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)
- source: POD/PPD (Type is String)
- valid_min: 1 (Type is Int16)
- valid_max: 1387 (Type is Int16)
- origname: rgt (Type is String)
- fullnamepath: /orbit_info/rgt (Type is String)
- coordinates: orbit_info_crossing_time (Type is String)

gt1r_ssh_segments_delt_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/delt_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time (Type is String)

gt1r_ssh_segments_longitude[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt1r/ssh_segments/longitude (Type is String)
- coordinates: gt1r_ssh_segments_delta_time (Type is String)

gt1r_ssh_segments_latitude[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt1r/ssh_segments/latitude (Type is String)
- coordinates: gt1r_ssh_segments_delta_time (Type is String)

gt1r_ssh_segments_heights_mix_mu1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_y[ /gt1r_ssh_segments_delta_time= 0..3463] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/y (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_mix_sig2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_mix_m2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_bin_ssbias[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_h_skewness[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_mix_sig1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_n_pulse_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_length_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_p0[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/p0 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_h_kurtosis[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_yvar[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/yvar (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_h_var[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/h_var (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_ykurt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_ymean[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/ymean (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_swh[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/swh (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_meanoffit2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_mix_mu2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_h[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/h (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_slope_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_p1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/p1 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_mix_m1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_heights_yskew[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt1r/ssh_segments/heights/yskew (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_first_geoseg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_layer_flag_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_tide_pole_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_tide_earth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_solar_elevation_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_geoid_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_ss_corr_stdev[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_last_pce_mframe_cnt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_seg_dist_x_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_fpb_corr[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_tide_ocean_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_fpb_corr_stdev[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_orbit_number[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_ref_azimuth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_tide_oc_pole_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_surf_type_prcnt[ /gt1r_ssh_segments_delta_time= 0..3463] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_dac_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_solar_azimuth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_first_pce_mframe_cnt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_segment_id[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_tide_load_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_neutat_delay_total_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_first_tx_pulse[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_backgr_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_n_photons[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_n_ttl_photon[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_ss_corr[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_last_tx_pulse[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_photonns_rate[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_photon_rate[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_depth_ocn_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt1r_ssh_segments_stats_ref_elev_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt1r/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_delt_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/delt_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time (Type is String)

gt2r_ssh_segments_longitude[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt2r/ssh_segments/longitude (Type is String)
- coordinates: gt2r_ssh_segments_delta_time (Type is String)

gt2r_ssh_segments_latitude[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt2r/ssh_segments/latitude (Type is String)
- coordinates: gt2r_ssh_segments_delta_time (Type is String)

gt2r_ssh_segments_heights_mix_mu1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_y[ /gt2r_ssh_segments_delta_time= 0..2809] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/y (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_mix_sig2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_mix_m2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_bin_ssbias[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_h_skewness[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_mix_sig1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_n_pulse_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_length_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_p0[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/p0 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_h_kurtosis[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_yvar[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/yvar (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_h_var[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/h_var (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_ykurt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_ymean[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/ymean (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_swh[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/swh (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_meanoffit2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_mix_mu2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_h[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/h (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_slope_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_p1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/p1 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_mix_m1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_heights_yskew[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt2r/ssh_segments/heights/yskew (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_first_geoseg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_layer_flag_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_tide_pole_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_tide_earth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_solar_elevation_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_geoid_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_ss_corr_stdev[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_last_pce_mframe_cnt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_seg_dist_x_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_fpb_corr[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_tide_ocean_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_fpb_corr_stdev[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_orbit_number[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_ref_azimuth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_tide_oc_pole_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_surf_type_prcnt[ /gt2r_ssh_segments_delta_time= 0..2809] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_dac_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_solar_azimuth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_first_pce_mframe_cnt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_segment_id[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_tide_load_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_neutat_delay_total_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_first_tx_pulse[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_backgr_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_n_photons[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_n_ttl_photon[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_ss_corr[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_last_tx_pulse[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_photonns_rate[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_photon_rate[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_depth_ocn_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt2r_ssh_segments_stats_ref_elev_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt2r/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_delt_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/delt_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time (Type is String)

gt1l_ssh_segments_longitude[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt1l/ssh_segments/longitude (Type is String)
- coordinates: gt1l_ssh_segments_delta_time (Type is String)

gt1l_ssh_segments_latitude[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt1l/ssh_segments/latitude (Type is String)
- coordinates: gt1l_ssh_segments_delta_time (Type is String)

gt1l_ssh_segments_heights_mix_mu1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_y[ /gt1l_ssh_segments_delta_time= 0..15957] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/y (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_mix_sig2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_mix_m2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_bin_ssbias[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_h_skewness[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_mix_sig1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_n_pulse_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_length_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_p0[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/p0 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_h_kurtosis[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_yvar[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/yvar (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_h_var[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/h_var (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_ykurt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_ymean[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/ymean (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_swh[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/swh (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_meanoffit2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_mix_mu2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_h[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/h (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_slope_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_p1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/p1 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_mix_m1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_heights_yskew[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt1l/ssh_segments/heights/yskew (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_first_geoseg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_layer_flag_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_tide_pole_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_tide_earth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_solar_elevation_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_geoid_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_ss_corr_stdev[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_last_pce_mframe_cnt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_seg_dist_x_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_fpb_corr[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_tide_ocean_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_fpb_corr_stdev[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_orbit_number[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_ref_azimuth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_tide_oc_pole_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_surf_type_prcnt[ /gt1l_ssh_segments_delta_time= 0..15957] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_dac_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_solar_azimuth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_first_pce_mframe_cnt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_segment_id[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_tide_load_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_neutat_delay_total_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_first_tx_pulse[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_backgr_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_n_photons[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_n_ttl_photon[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_ss_corr[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_last_tx_pulse[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_photonns_rate[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_photon_rate[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_depth_ocn_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

gt1l_ssh_segments_stats_ref_elev_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt1l/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: qualityInformation (Type is String)
- long_name: Granule Failure Reason (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)
- source: Operations (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)
- valid_min: 0 (Type is Int32)
- valid_max: 5 (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
- units: 1 (Type is String)
- contentType: qualityInformation (Type is String)
- long_name: Granule Pass Flag (Type is String)
- description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. (Type is String)
- source: Operations (Type is String)
- flag_meanings: PASS FAIL (Type is String)
- flag_values: 0, 1 (Type is Int32)
- valid_min: 0 (Type is Int32)
- valid_max: 1 (Type is Int32)
- origname: qa_granule_pass_fail (Type is String)
- fullnamepath: /quality_assessment/qa_granule_pass_fail (Type is String)

gt3l_ssh_segments_delt_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/delt_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time (Type is String)

gt3l_ssh_segments_longitude[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt3l/ssh_segments/longitude (Type is String)
- coordinates: gt3l_ssh_segments_delta_time (Type is String)

gt3l_ssh_segments_latitude[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt3l/ssh_segments/latitude (Type is String)
- coordinates: gt3l_ssh_segments_delta_time (Type is String)

gt3l_ssh_segments_heights_mix_mu1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_y[ /gt3l_ssh_segments_delta_time= 0..16917] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/y (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_mix_sig2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_mix_m2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_bin_ssbias[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_h_skewness[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_mix_sig1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_n_pulse_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_length_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_p0[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/p0 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_h_kurtosis[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_yvar[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/yvar (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_h_var[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/h_var (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_ykurt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_ymean[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/ymean (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_swh[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/swh (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_meanoffit2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_mix_mu2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_h[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/h (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_slope_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_p1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/p1 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_mix_m1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_heights_yskew[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt3l/ssh_segments/heights/yskew (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_first_geoseg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_layer_flag_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_tide_pole_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_tide_earth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_solar_elevation_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_geoid_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_ss_corr_stdev[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_last_pce_mframe_cnt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_seg_dist_x_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_fpb_corr[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_tide_ocean_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_fpb_corr_stdev[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_orbit_number[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_ref_azimuth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_tide_oc_pole_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_surf_type_prcnt[ /gt3l_ssh_segments_delta_time= 0..16917] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_dac_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_solar_azimuth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_first_pce_mframe_cnt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_segment_id[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_tide_load_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_neutat_delay_total_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_first_tx_pulse[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_backgr_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_n_photons[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_n_ttl_photon[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_ss_corr[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_last_tx_pulse[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_photonns_rate[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_photon_rate[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_depth_ocn_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt3l_ssh_segments_stats_ref_elev_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt3l/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_delt_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/delt_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time (Type is String)

gt2l_ssh_segments_longitude[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt2l/ssh_segments/longitude (Type is String)
- coordinates: gt2l_ssh_segments_delta_time (Type is String)

gt2l_ssh_segments_latitude[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt2l/ssh_segments/latitude (Type is String)
- coordinates: gt2l_ssh_segments_delta_time (Type is String)

gt2l_ssh_segments_heights_mix_mu1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_y[ /gt2l_ssh_segments_delta_time= 0..13927] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/y (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_mix_sig2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_mix_m2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_bin_ssbias[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_h_skewness[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_mix_sig1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_n_pulse_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_length_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_p0[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/p0 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_h_kurtosis[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_yvar[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/yvar (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_h_var[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/h_var (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_ykurt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_ymean[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/ymean (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_swh[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/swh (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_meanoffit2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_mix_mu2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_h[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/h (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_slope_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_p1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/p1 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_mix_m1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_heights_yskew[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt2l/ssh_segments/heights/yskew (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_first_geoseg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_layer_flag_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_tide_pole_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_tide_earth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_solar_elevation_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_geoid_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_ss_corr_stdev[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_last_pce_mframe_cnt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_seg_dist_x_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_fpb_corr[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_tide_ocean_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_fpb_corr_stdev[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_orbit_number[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_ref_azimuth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_tide_oc_pole_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_surf_type_prcnt[ /gt2l_ssh_segments_delta_time= 0..13927] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_dac_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_solar_azimuth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_first_pce_mframe_cnt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_segment_id[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_tide_load_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_neutat_delay_total_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_first_tx_pulse[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_backgr_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_n_photons[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_n_ttl_photon[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_ss_corr[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_last_tx_pulse[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_photonns_rate[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_photon_rate[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_depth_ocn_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

gt2l_ssh_segments_stats_ref_elev_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt2l/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Release Number (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)
- source: Operations (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending Geolocation Segment (Type is String)
- description: The ending geolocation segment number associated with the data contained within this granule. ICESat 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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Version (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)
- source: Operations (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending Region (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)
- source: Derived (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
- units: seconds since 1980-01-06T00:00:00.000000Z (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: ATLAS Epoch Offset (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)
- source: Operations (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending Reference Groundtrack (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)
- source: Derived (Type is String)
- valid_min: 1 (Type is Int32)
- valid_max: 1387 (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
- units: seconds since 2018-01-01 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: ATLAS End Time (Actual) (Type is String)
- standard_name: time (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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending Orbit Number (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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Starting Cycle (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)
- source: Derived (Type is String)
- valid_min: 0 (Type is Int32)
- valid_max: 99 (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: End UTC Time of Granule (CCSDS-A, Actual) (Type is String)
- description: UTC (in CCSDS-A format) of the last data point within the granule. (Type is String)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Control File (Type is String)
- description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. (Type is String)
- source: Operations (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
- units: seconds (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Start GPS SOW of Granule (Actual) (Type is String)
- description: GPS seconds-of-week of the first data point in the granule. (Type is String)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: End UTC Time of Granule (CCSDS-A, Requested) (Type is String)
- description: Requested end time (in UTC CCSDS-A) of this granule. (Type is String)
- source: Derived (Type is String)
- origname: granule_end_utc (Type is String)
- fullnamepath: /ancillary_data/granule_end_utc (Type is String)

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

attributes
- units: 1 (Type is String)
- 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)
- valid_min: 0 (Type is Int32)
- valid_max: 99 (Type is Int32)
- origname: end_cycle (Type is String)
- fullnamepath: /ancillary_data/end_cycle (Type is String)

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

attributes
- units: counts (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ocean Segment Minimum Signal Photons (Type is String)
- description: Minimum number of signal photons required to process an ocean segment. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: ocseg_min_sig (Type is String)
- fullnamepath: /ancillary_data/ocean/ocseg_min_sig (Type is String)

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

attributes
- units: seconds (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Maximum Integration Time (Type is String)
- description: Maximum fine segment duration of fine selection segment (equivalent to required number of tx pulses). (Type is String)
- source: Operations (Type is String)
- origname: fine_max_secs (Type is String)
- fullnamepath: /ancillary_data/ocean/fine_max_secs (Type is String)

ancillary_data_ocean_sig_thres[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: percent (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Signal Threshold (Type is String)
- description: Threshold for photons to be considered signal. (Type is String)
- source: Operations (Type is String)
- origname: sig_thres (Type is String)
- fullnamepath: /ancillary_data/ocean/sig_thres (Type is String)

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

attributes
- units: counts (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Minimum Signal Photons (Type is String)
- description: Minimum number of signal photons required to perform fine selection. (Type is String)
- source: Operations (Type is String)
- origname: fine_min_sig (Type is String)
- fullnamepath: /ancillary_data/ocean/fine_min_sig (Type is String)

ancillary_data_ocean_hist_bot[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Histogram Bottom (Type is String)
- description: Bottom (minimum height) of the coarse and fine select histograms. (Type is String)
- source: Operations (Type is String)
- origname: hist_bot (Type is String)
- fullnamepath: /ancillary_data/ocean/hist_bot (Type is String)

ancillary_data_ocean_hist_bin_size[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: auxiliaryInformation (Type is String)
- description: Height histogram and impulse response bin size in meters. (Type is String)
- source: Operations (Type is String)
- long_name: Histogram Bin Size (Type is String)
- origname: hist_bin_size (Type is String)
- fullnamepath: /ancillary_data/ocean/hist_bin_size (Type is String)

ancillary_data_ocean_cld_thres[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: percent (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Cloud Threshold (Type is String)
- description: Data associated with cloud percentages above this threshold are not processed. (Type is String)
- source: Operations (Type is String)
- origname: cld_thres (Type is String)
- fullnamepath: /ancillary_data/ocean/cld_thres (Type is String)

ancillary_data_ocean_hist_top[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Histogram Top (Type is String)
- description: Top (maximum height) of the coarse and fine select histograms. (Type is String)
- source: Operations (Type is String)
- origname: hist_top (Type is String)
- fullnamepath: /ancillary_data/ocean/hist_top (Type is String)

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

attributes
- units: counts (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Number of histogram bins. (Type is String)
- description: Number of bins in each histogram. (Type is String)
- source: Derived (Type is String)
- origname: hist_nbins (Type is String)
- fullnamepath: /ancillary_data/ocean/hist_nbins (Type is String)

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

attributes
- units: counts (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Processing interval (Type is String)
- description: The number of 20 meter segments read at once from ATL03. (Type is String)
- source: Operations (Type is String)
- origname: proc_interval (Type is String)
- fullnamepath: /ancillary_data/ocean/proc_interval (Type is String)

ancillary_data_ocean_min_ph_pcnt[ /FakeDim0= 0..0] (Type is Float32)

attributes
- units: percent (Type is String)
- contentType: auxiliaryInformation (Type is String)
- description: Minimum percentage of the selected coarse photons being selected in fine_sel to continue processing. (Type is String)
- source: Operations (Type is String)
- long_name: Minimum Photon Percentage (Type is String)
- origname: min_ph_pcnt (Type is String)
- fullnamepath: /ancillary_data/ocean/min_ph_pcnt (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ocean Region Index (Type is String)
- description: The ocean region covered within this granule. (Type is String)
- source: Operations (Type is String)
- origname: oc_region (Type is String)
- fullnamepath: /ancillary_data/ocean/oc_region (Type is String)

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

attributes
- units: seconds (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Coarse selection interval (Type is String)
- description: The number of seconds of data used for coarse selection (normally equivalent to 400 laser pulses). (Type is String)
- source: Operations (Type is String)
- origname: coarse_interval (Type is String)
- fullnamepath: /ancillary_data/ocean/coarse_interval (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Start UTC Time of Granule (CCSDS-A, Requested) (Type is String)
- description: Requested start time (in UTC CCSDS-A) of this granule. (Type is String)
- source: Derived (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
- units: seconds since 2018-01-01 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: ATLAS Start Time (Actual) (Type is String)
- standard_name: time (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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Starting Geolocation Segment (Type is String)
- description: The starting geolocation segment number associated with the data contained within this granule. ICESat 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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Starting Orbit Number (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)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Start UTC Time of Granule (CCSDS-A, Actual) (Type is String)
- description: UTC (in CCSDS-A format) of the first data point within the granule. (Type is String)
- source: Derived (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
- units: weeks from 1980-01-06 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending GPSWeek of Granule (Actual) (Type is String)
- description: GPS week number of the last data point in the granule. (Type is String)
- source: Derived (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
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Starting Reference Groundtrack (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)
- source: Derived (Type is String)
- valid_min: 1 (Type is Int32)
- valid_max: 1387 (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
- units: seconds (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Ending GPS SOW of Granule (Actual) (Type is String)
- description: GPS seconds-of-week of the last data point in the granule. (Type is String)
- source: Derived (Type is String)
- origname: end_gpssow (Type is String)
- fullnamepath: /ancillary_data/end_gpssow (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: QA Along-Track Interval (Type is String)
- description: Statistics time interval for along-track QA data. (Type is String)
- source: control (Type is String)
- origname: qa_at_interval (Type is String)
- fullnamepath: /ancillary_data/qa_at_interval (Type is String)

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

attributes
- units: 1 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Starting Region (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)
- source: Derived (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
- units: weeks from 1980-01-06 (Type is String)
- contentType: auxiliaryInformation (Type is String)
- long_name: Start GPSWeek of Granule (Actual) (Type is String)
- description: GPS week number of the first data point in the granule. (Type is String)
- source: Derived (Type is String)
- origname: start_gpsweek (Type is String)
- fullnamepath: /ancillary_data/start_gpsweek (Type is String)

gt3r_ssh_segments_delt_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: seconds (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean Segment Duration (Type is String)
- description: Time duration segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: delt_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/delt_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time (Type is String)

gt3r_ssh_segments_longitude[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: degrees_east (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean longitude of surface segment (Type is String)
- standard_name: longitude (Type is String)
- description: Mean longitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -180.00000000000000 (Type is Float64)
- valid_max: 180.00000000000000 (Type is Float64)
- origname: longitude (Type is String)
- fullnamepath: /gt3r/ssh_segments/longitude (Type is String)
- coordinates: gt3r_ssh_segments_delta_time (Type is String)

gt3r_ssh_segments_latitude[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: degrees_north (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean latitude of surface segment (Type is String)
- standard_name: latitude (Type is String)
- description: Mean latitude of surface photons in segment (Type is String)
- source: Ocean ATBD (Type is String)
- valid_min: -90.000000000000000 (Type is Float64)
- valid_max: 90.000000000000000 (Type is Float64)
- origname: latitude (Type is String)
- fullnamepath: /gt3r/ssh_segments/latitude (Type is String)
- coordinates: gt3r_ssh_segments_delta_time (Type is String)

gt3r_ssh_segments_heights_mix_mu1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 1 Gaussian mixture (Type is String)
- description: Mean of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu1 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_mu1 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_y[ /gt3r_ssh_segments_delta_time= 0..2734] [ /ds_y_bins= 0..2999] (Type is Float32)

attributes
- units: 1/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: PDF of Height (Type is String)
- description: Probability density function of photon surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: y (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/y (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_mix_sig2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 2 Gaussian mixture (Type is String)
- description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig2 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_sig2 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_mix_m2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 2 Gaussian mixture (Type is String)
- description: Fraction of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m2 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_m2 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_bin_ssbias[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea State Bias (Type is String)
- description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String)
- source: Ocean ATBD (Type is String)
- origname: bin_ssbias (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/bin_ssbias (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_h_skewness[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Skewness of sea surface height (Type is String)
- description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String)
- origname: h_skewness (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/h_skewness (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_mix_sig1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Standard deviation of component 1 Gaussian mixture (Type is String)
- description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_sig1 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_sig1 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_n_pulse_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number laser pulses segment (Type is String)
- description: Number of laser pulses in segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_pulse_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/n_pulse_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_length_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Length of segment (Type is String)
- description: Length of segment (m) (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: length_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/length_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_p0[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Intercept of Linear Fit (Type is String)
- description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p0 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/p0 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_h_kurtosis[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: kurtosis of sea surface height (Type is String)
- description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String)
- origname: h_kurtosis (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/h_kurtosis (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_yvar[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meter^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yvar (Type is String)
- description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yvar (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/yvar (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_h_var[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters^2 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Variance of fit (Type is String)
- description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String)
- origname: h_var (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/h_var (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_ykurt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ykurt (Type is String)
- description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ykurt (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/ykurt (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_ymean[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ymean (Type is String)
- description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ymean (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/ymean (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_swh[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: swh (Type is String)
- description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: swh (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/swh (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_meanoffit2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: coarse Sea surface height of segment (Type is String)
- description: Average of the linear fit, P0+P1*X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step G (Type is String)
- origname: meanoffit2 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/meanoffit2 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_mix_mu2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Mean of component 2 Gaussian mixture (Type is String)
- description: Mean of component 2 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_mu2 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_mu2 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_h[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: mean sea surface height (Type is String)
- description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String)
- origname: h (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/h (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_slope_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: meters/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Sea surface slope of segment (Type is String)
- description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String)
- origname: slope_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/slope_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_p1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters/meter (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Slope of Linear Fit (Type is String)
- description: Slope of linear fit versus along-track distance to surface photon height (Type is String)
- source: Ocean ATBD (Type is String)
- origname: p1 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/p1 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_mix_m1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Fraction of component 1 Gaussian mixture (Type is String)
- description: Fraction of component 1 in 2-component Gaussian mixture (Type is String)
- source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String)
- origname: mix_m1 (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/mix_m1 (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_heights_yskew[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: yskew (Type is String)
- description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String)
- source: Ocean ATBD (Type is String)
- origname: yskew (Type is String)
- fullnamepath: /gt3r/ssh_segments/heights/yskew (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_first_geoseg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 Geolocation Segment (Type is String)
- description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_geoseg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/first_geoseg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_layer_flag_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Layer Flag (Type is String)
- description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String)
- source: Ocean ATBD (Type is String)
- origname: layer_flag_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/layer_flag_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_tide_pole_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Solid Earth Pole Tide (Type is String)
- description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String)
- source: ATL03 (Type is String)
- origname: tide_pole_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/tide_pole_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_tide_earth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Earth Tide (Type is String)
- description: Ocean segment average of solid earth tides (Type is String)
- source: ATL03 (Type is String)
- origname: tide_earth_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/tide_earth_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_solar_elevation_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees (Type is String)
- long_name: solar elevation (Type is String)
- description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_elevation_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/solar_elevation_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_geoid_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- long_name: Geoid (Type is String)
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String)
- source: ATL03 (Type is String)
- origname: geoid_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/geoid_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_ss_corr_stdev[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ss_corr_stdev (Type is String)
- description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr_stdev (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/ss_corr_stdev (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_last_pce_mframe_cnt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last PCE Major frame ID (Type is String)
- description: Last Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: last_pce_mframe_cnt (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/last_pce_mframe_cnt (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_seg_dist_x_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Distance along-track (Type is String)
- description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: seg_dist_x_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/seg_dist_x_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_fpb_corr[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: first photon bias correction (Type is String)
- description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/fpb_corr (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_tide_ocean_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Tide (Type is String)
- description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_ocean_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/tide_ocean_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_fpb_corr_stdev[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: fpb_corr_stdev (Type is String)
- description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: fpb_corr_stdev (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/fpb_corr_stdev (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_orbit_number[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int16)

attributes
- units: 1 (Type is String)
- long_name: Orbit Number (Type is String)
- description: Unique identifying number for each planned ICESat-2 orbit (Type is String)
- source: ATL03 (Type is String)
- origname: orbit_number (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/orbit_number (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_ref_azimuth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: Azimuth (Type is String)
- standard_name: azimuth (Type is String)
- description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String)
- source: ATL03 (Type is String)
- origname: ref_azimuth_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/ref_azimuth_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_tide_oc_pole_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Ocean Pole Tide (Type is String)
- description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_oc_pole_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/tide_oc_pole_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_surf_type_prcnt[ /gt3r_ssh_segments_delta_time= 0..2734] [ /ds_surf_type= 0..4] (Type is Float32)

attributes
- units: 1 (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Surface Type (Type is String)
- description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String)
- source: ATL03 (Type is String)
- origname: surf_type_prcnt (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/surf_type_prcnt (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_dac_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Dynamic Atmosphere Correction (Type is String)
- description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String)
- source: ATL03 (Type is String)
- origname: dac_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/dac_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_solar_azimuth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: degrees_east (Type is String)
- long_name: solar azimuth (Type is String)
- description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String)
- source: ATL03 (Type is String)
- origname: solar_azimuth_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/solar_azimuth_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_first_pce_mframe_cnt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is UInt32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First PCE Major frame ID (Type is String)
- description: First Major Frame ID in the SSH segment (Type is String)
- source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String)
- origname: first_pce_mframe_cnt (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/first_pce_mframe_cnt (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_segment_id[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32)

attributes
- units: 1 (Type is String)
- long_name: ATL03 geolocation segment ID number. (Type is String)
- description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String)
- source: ATL03 (Type is String)
- origname: segment_id (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/segment_id (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_tide_load_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Load Tide (Type is String)
- description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String)
- source: ATL03 (Type is String)
- origname: tide_load_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/tide_load_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_neutat_delay_total_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- long_name: Total Neutral Atmospheric Delay (Type is String)
- description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String)
- source: ATL03 (Type is String)
- origname: neutat_delay_total_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/neutat_delay_total_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_first_tx_pulse[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: First Transmit Pulse (Type is String)
- description: First Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: first_tx_pulse (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/first_tx_pulse (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_backgr_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: ATL03 background (Type is String)
- description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: backgr_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/backgr_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_n_photons[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number surface photons segment (Type is String)
- description: Number of surface photons found for the segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: n_photons (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/n_photons (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_n_ttl_photon[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int64)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Number photons segment (Type is String)
- description: Number of photons in the \302\26115-m ocean downlink band (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: n_ttl_photon (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/n_ttl_photon (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_ss_corr[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: subsurface scattering correction (Type is String)
- description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String)
- source: Ocean ATBD (Type is String)
- origname: ss_corr (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/ss_corr (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_last_tx_pulse[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32)

attributes
- units: counts (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Last Transmit Pulse (Type is String)
- description: Last Transmit pulse in along-track segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: last_tx_pulse (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/last_tx_pulse (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_photonns_rate[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Noise photon count rate, averaged over the segment (Type is String)
- description: Noise photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String)
- origname: photonns_rate (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/photonns_rate (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_photon_rate[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: 1/meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Photon count rate, averaged over the segment (Type is String)
- description: Photon count rate, averaged over the segment (Type is String)
- source: Ocean ATBD Sect. 5.2.4 step N. (Type is String)
- origname: photon_rate (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/photon_rate (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_depth_ocn_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- units: meters (Type is String)
- contentType: referenceInformation (Type is String)
- long_name: Ocean depth (Type is String)
- description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String)
- source: Ocean ATBD (Type is String)
- origname: depth_ocn_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/depth_ocn_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

gt3r_ssh_segments_stats_ref_elev_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32)

attributes
- _FillValue: 3.402823466e+38 (Type is Float32)
- units: radians (Type is String)
- long_name: elevation (Type is String)
- standard_name: elevation (Type is String)
- description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String)
- source: ATL03 (Type is String)
- origname: ref_elev_seg (Type is String)
- fullnamepath: /gt3r/ssh_segments/stats/ref_elev_seg (Type is String)
- coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

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Data URL

Global Attributes	View/Hide granule_type: ATL12 (Type is String) short_name: ATL12 (Type is String) level: 3A (Type is String) description: Sea Surface Height (SSH) of the global open ocean including the ice-free seasonal ice zone (SIZ) and near-coast regions. (Type is String) contributor_name: Thomas E Neumann (thomas.neumann@nasa.gov), Thorsten Markus (thorsten.markus@nasa.gov), Suneel Bhardwaj (suneel.bhardwaj@nasa.gov) David W Hancock III (david.w.hancock@nasa.gov) (Type is String) contributor_role: Instrument Engineer, Investigator, Principle Investigator, Data Producer, Data Producer (Type is String) Conventions: CF-1.6 (Type is String) date_type: UTC (Type is String) featureType: trajectory (Type is String) geospatial_lat_units: degrees_north (Type is String) geospatial_lon_units: degrees_east (Type is String) identifier_product_doi: 10.5067/ATLAS/ATL12.001 (Type is String) identifier_product_doi_authority: http://dx.doi.org (Type is String) identifier_product_type: ATL12 (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) spatial_coverage_type: Horizontal (Type is String) standard_name_vocabulary: CF-1.6 (Type is String) time_type: CCSDS UTC-A (Type is String) date_created: 2019-06-30T16:00:26.000000Z (Type is String) hdfversion: HDF5 1.10.3 (Type is String) history: 2019-06-30T16:00:26.000000Z;8e509dec-3e24-330c-a024-1d58465e28f3;Created by PGE atlas_l3a_oc Version 4.1 (Type is String) identifier_file_uuid: 8e509dec-3e24-330c-a024-1d58465e28f3 (Type is String) identifier_product_format_version: 2.0 (Type is String) time_coverage_duration: 22630.000000000000 (Type is Float64) time_coverage_end: 2019-03-31T03:39:51.000000Z (Type is String) time_coverage_start: 2019-03-30T21:22:41.000000Z (Type is String) geospatial_lat_min: -77.088097758132463 (Type is Float64) geospatial_lon_min: -121.44336785099746 (Type is Float64) geospatial_lat_max: 88.040480905988332 (Type is Float64) geospatial_lon_max: 153.03550549569738 (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: http://nsidc.org/daac/ (Type is String) title: ATLAS/ICESat-2 L3A Ocean Surface Height (Type is String) identifier_file_product_type: ATL12 (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: The purpose of ATL12 is to provide along-track sea surface heights and associated statistics. (Type is String) keywords: EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE HEIGHT > NONE > NONE > NONE (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: 3A (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. 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<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>2019-06-30T16:00:26.000000Z;8e509dec-3e24-330c-a024-1d58465e28f3;Created by PGE atlas_l3a_oc Version 4.1</gco:CharacterString> </gmd:description> <gmd:dateTime> <gco:DateTime>2019-06-30T16:00:26.000000Z</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>ATL12.001</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>http://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 L3A Ocean Surface Height</gco:CharacterString> </gmd:title> <gmd:date> <gmd:CI_Date> <!-- ECS extracts the RevisionDate from here --> <gmd:date> <gco:Date>2016-06-09</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>ATL12</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="http://dx.doi.org/10.5067/ATLAS/ATL12.001">doi:10.5067/ATLAS/ATL12.001</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>The ICESat-2 ATL12 standard data product contains along-track sea surface heights at variable length scales over cloud-free regions. Include estimates of height distributions, surface roughness, surface slope, and apparent reflectance.</gco:CharacterString> </gmd:abstract> <gmd:purpose> <gco:CharacterString>The purpose of ATL12 is to provide along-track sea surface heights and associated statistics.</gco:CharacterString> </gmd:purpose> <gmd:credit> <gco:CharacterString>The software that generates the ATL12 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 > NONE > NONE > NONE</gco:CharacterString> </gmd:keyword> <gmd:keyword> <gco:CharacterString>EARTH SCIENCE > OCEANS > SEA SURFACE TOPOGRAPHY > SEA SURFACE SLOPE > NONE > NONE > NONE</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>http://gcmd.nasa.gov/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</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>http://gcmd.nasa.gov/Resources/valids/</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</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</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=ORBIT, TemporalRangeType=Continuous Range, TimeType=UTC</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:geographicElement> <gmd:EX_GeographicDescription> <gmd:geographicIdentifier> <gmd:MD_Identifier> <gmd:code> <gco:CharacterString>SwathWidth: 36.0 Period: 96.8 InclinationAngle: 92.0 NumberOfOrbits: 4.0 StartCircularLatitude: 0.0</gco:CharacterString> </gmd:code> <gmd:codeSpace> <gco:CharacterString>gov.nasa.esdis.umm.orbitparameters</gco:CharacterString> </gmd:codeSpace> <gmd:description> <gco:CharacterString>OrbitParameters</gco:CharacterString> </gmd:description> </gmd:MD_Identifier> </gmd:geographicIdentifier> </gmd:EX_GeographicDescription> </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>3A</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>3A</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>http</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>http</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>http://dx.doi.org/10.5067/ATLAS/ATL12.001</gmd:URL> </gmd:linkage> <gmd:protocol> <gco:CharacterString>http</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: (Type is Container) METADATA_AcquisitionInformation_lidar 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_lidarDocument 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 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_platformDocument 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 scope: NOT_SET (Type is String) fullnamepath: /METADATA/DataQuality (Type is String) METADATA_DataQuality_CompletenessOmission 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_DataQuality_DomainConsistency evaluationMethodType: directInternal (Type is String) measureDesciption: 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_ProductSpecificationDocument characterSet: utf8 (Type is String) edition: Revision B (Type is String) language: eng (Type is String) publicationDate: 12/1/2017 (Type is String) ShortName: ATL12_SDP (Type is String) title: ICESat-2-SIPS-SPEC-4266 - ATLAS Science Algorithm Standard Data Product (SDP) Volume 11 (ATL12). Revision B. (Type is String) fullnamepath: /METADATA/ProductSpecificationDocument (Type is String) METADATA_SeriesIdentification maintenanceAndUpdateFrequency: asNeeded (Type is String) maintenanceDate: SET_BY_META (Type is String) VersionID: 001 (Type is String) identifier_product_DOI: 10.5067/ATLAS/ATL12.001 (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 L3A Ocean Surface Height (Type is String) shortName: ATL12 (Type is String) revisionDate: 2016-06-09 (Type is String) resourceProviderOrganizationName: National Aeronautics and Space Administration (NASA) (Type is String) abstract: The ICESat-2 ATL12 standard data product contains along-track sea surface heights at variable length scales over cloud-free regions. Include estimates of height distributions, surface roughness, surface slope, and apparent reflectance. (Type is String) purpose: The purpose of ATL12 is to provide along-track sea surface heights and associated statistics. (Type is String) credit: The software that generates the ATL12 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 spatialRepresentationType: along-track (Type is String) creationDate: 2019-06-30T16:00:26.000000Z (Type is String) uuid: 8e509dec-3e24-330c-a024-1d58465e28f3 (Type is String) fileName: ATL12_20190330212241_00250301_001_01.h5 (Type is String) VersionID: 001 (Type is String) language: eng (Type is String) characterSet: utf8 (Type is String) shortName: ATL12 (Type is String) originatorOrganizationName: GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System (Type is String) abstract: The ICESat-2 ATL12 standard data product contains along-track sea surface heights at variable length scales over cloud-free regions. Include estimates of height distributions, surface roughness, surface slope, and apparent reflectance. (Type is String) purpose: The purpose of ATL12 is to provide along-track sea surface heights and associated statistics. (Type is String) credit: The software that generates the ATL12 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 northBoundLatitude: 88.040480905988332 (Type is Float64) eastBoundLongitude: 153.03550549569738 (Type is Float64) southBoundLatitude: -77.088097758132463 (Type is Float64) westBoundLongitude: -121.44336785099746 (Type is Float64) rangeBeginningDateTime: 2019-03-30T21:22:41.725555Z (Type is String) rangeEndingDateTime: 2019-03-31T03:39:51.327181Z (Type is String) fullnamepath: /METADATA/Extent (Type is String) METADATA_QADatasetIdentification 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: 2019-06-30T21:05:58.000000Z (Type is String) fileName: ATL12_20190330212241_00250301_001_01.qa (Type is String) fullnamepath: /METADATA/QADatasetIdentification (Type is String) METADATA_Lineage: (Type is Container) METADATA_Lineage_ANC25_12 description: HDF5 template file that defines the organization and default content of the product. (Type is String) fileName: atl12_template.h5 (Type is String) shortName: ANC25-12 (Type is String) uuid: b65622fc-8637-3908-8082-494e031d2d2e (Type is String) version: 041 (Type is String) fullnamepath: /METADATA/Lineage/ANC25-12 (Type is String) METADATA_Lineage_ANC26_12 description: HDF5 template file that defines the organization and default content of the product metadata. (Type is String) fileName: atl12_metadata_template.h5 (Type is String) shortName: ANC26-12 (Type is String) uuid: b1f16477-563b-3182-b1ab-50b87e38374f (Type is String) version: 041 (Type is String) fullnamepath: /METADATA/Lineage/ANC26-12 (Type is String) METADATA_Lineage_ANC36_12 description: ISO 19139 XML file containing Series-level metadata information. (Type is String) fileName: ATL12.001.series.xml (Type is String) shortName: ANC36-12 (Type is String) uuid: 66ddeea8-47ab-3cd6-8b09-46e29f9afa67 (Type is String) version: 001 (Type is String) fullnamepath: /METADATA/Lineage/ANC36-12 (Type is String) METADATA_Lineage_ANC38_12 description: ISO 19139 XML file containing DataSet-level metadata information. (Type is String) fileName: ATL12.001.dataset.xml (Type is String) shortName: ANC38-12 (Type is String) uuid: 8fc962ef-eee3-370c-adcd-32cf3f7e05b2 (Type is String) version: 001 (Type is String) fullnamepath: /METADATA/Lineage/ANC38-12 (Type is String) METADATA_Lineage_ATL03 description: ICESat-2 ATLAS L2A Global Geolocated Photon data products. 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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 (Type is Int32) end_cycle: 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 (Type is Int32) start_orbit: 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003 (Type is Int32) end_orbit: 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3000, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3001, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3002, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003, 3003 (Type is Int32) start_rgt: 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28 (Type is Int32) end_rgt: 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28 (Type is Int32) start_region: 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 (Type is Int32) end_region: 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 (Type is Int32) start_geoseg: 1, 149703, 330726, 446059, 555744, 852096, 1001797, 1151688, 1280087, 1443580, 1565330, 1728829, 1857236, 1, 149709, 330736, 446067, 555756, 852097, 1001793, 1151682, 1280081, 1443573, 1565328, 1728826, 1857233, 1, 149708, 330735, 446065, 555758, 671087, 852107, 1001807, 1151698, 1280097, 1728833, 1857235, 1, 149706, 330732, 446065, 555762, 671094, 852121, 1001826, 1151720, 1280119, 1443607, 1565358, 1728844, 1857240 (Type is Int32) end_geoseg: 149702, 330725, 446058, 555743, 671075, 1001796, 1151687, 1280086, 1443579, 1565329, 1728828, 1857235, 2007137, 149708, 330735, 446066, 555755, 671082, 1001792, 1151681, 1280080, 1443572, 1565327, 1728825, 1857232, 2007134, 149707, 330734, 446064, 555757, 671086, 852106, 1001806, 1151697, 1280096, 1443585, 1857234, 2007130, 149705, 330731, 446064, 555761, 671093, 852120, 1001825, 1151719, 1280118, 1443606, 1565357, 1728843, 1857239, 2007130 (Type is Int32) fullnamepath: /METADATA/Lineage/ATL03 (Type is String) METADATA_Lineage_ATL09 description: ICESat-2 ATLAS L3A atmosphere data products. (Type is String) fileName: ATL09_20190330212241_00250301_001_01.h5, ATL09_20190330225659_00260301_001_01.h5, ATL09_20190331003116_00270301_001_01.h5, ATL09_20190331020534_00280301_001_01.h5 (Type is String) shortName: ATL09, ATL09, ATL09, ATL09 (Type is String) uuid: f7068fe7-d4fd-3b30-b02f-db225c04b6c1, ac13e9ea-c9a4-3668-8834-6827bb034cd7, 0ee02205-16f3-34cd-a657-0a6421170dc5, b70d63cc-b405-3fb7-bec6-babe7e2f8698 (Type is String) version: 001, 001, 001, 001 (Type is String) start_cycle: 3, 3, 3, 3 (Type is Int32) end_cycle: 3, 3, 3, 3 (Type is Int32) start_orbit: 3000, 3001, 3002, 3003 (Type is Int32) end_orbit: 3000, 3001, 3002, 3003 (Type is Int32) start_rgt: 25, 26, 27, 28 (Type is Int32) end_rgt: 25, 26, 27, 28 (Type is Int32) start_region: 1, 1, 1, 1 (Type is Int32) end_region: 14, 14, 14, 14 (Type is Int32) start_geoseg: 28, 5, 4, 7 (Type is Int32) end_geoseg: 2007128, 2007130, 2007129, 2007125 (Type is Int32) fullnamepath: /METADATA/Lineage/ATL09 (Type is String) METADATA_Lineage_ANC19 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: 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_l3a_oc_001652996.ctl (Type is String) shortName: CNTL (Type is String) version: 1 (Type is String) fullnamepath: /METADATA/Lineage/Control (Type is String) METADATA_ProcessStep: (Type is Container) METADATA_ProcessStep_Browse 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 2.1.1 (Type is String) softwareDate: Apr 23 2019 (Type is String) softwareTitle: Creates ATLAS HDF5 browse files (Type is String) runTimeParameters: CTL_atlas_l3a_oc_001652996.ctl (Type is String) stepDateTime: 2019-06-30T21:06:15.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/Browse (Type is String) METADATA_ProcessStep_Metadata 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 4.1.1 (Type is String) softwareDate: Apr 23 2019 (Type is String) softwareTitle: Creates ATLAS XML metadata files (Type is String) runTimeParameters: CTL_atlas_l3a_oc_001652996.ctl (Type is String) stepDateTime: 2019-06-30T21:06:24.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/Metadata (Type is String) METADATA_ProcessStep_PGE ATBDDate: 3/29/2017 (Type is String) ATBDTitle: ICESat-2-SIPS-SPEC-1606 - SIPs: Ocean Products L5 Specification Document (Type is String) ATBDVersion: Intermediate 3 Draft (Type is String) documentation: ICESat-2-SIPS-SPEC-2330 - ATLAS Science Algorithm Software Design Description (SDD) Volume 11 (atlas_l3a_oc). Revision C. (Type is String) documentDate: 12/1/2017 (Type is String) processDescription: Computes heights of the ocean surface relative to ellipsoid after adjusted for geoidal and tidal variations, and inverted barometer effects. Includes height statistics and apparent reflectance. (Type is String) identifier: atlas_l3a_oc (Type is String) softwareVersion: Version 4.1 (Type is String) softwareDate: Apr 23 2019 (Type is String) softwareTitle: ASAS L3A Ocean PGE (Type is String) runTimeParameters: CTL_atlas_l3a_oc_001652996.ctl (Type is String) stepDateTime: 2019-06-30T16:00:26.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/PGE (Type is String) METADATA_ProcessStep_QA 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: atl12_qa_util (Type is String) softwareVersion: Version 4.1 (Type is String) softwareDate: Apr 23 2019 (Type is String) softwareTitle: ATL12 QA Utility (Type is String) runTimeParameters: CTL_atlas_l3a_oc_001652996.ctl (Type is String) stepDateTime: 2019-06-30T21:05:58.000000Z (Type is String) fullnamepath: /METADATA/ProcessStep/QA (Type is String) gt1r Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce1 (Type is String) atlas_beam_type: weak (Type is String) groundtrack_id: gt1r (Type is String) atmosphere_profile: profile_1 (Type is String) atlas_spot_number: 2 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt1r (Type is String) gt1r_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1r/ssh_segments (Type is String) gt1r_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1r/ssh_segments/heights (Type is String) gt1r_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1r/ssh_segments/stats (Type is String) gt2r Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce2 (Type is String) atlas_beam_type: weak (Type is String) groundtrack_id: gt2r (Type is String) atmosphere_profile: profile_2 (Type is String) atlas_spot_number: 4 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt2r (Type is String) gt2r_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2r/ssh_segments (Type is String) gt2r_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2r/ssh_segments/heights (Type is String) gt2r_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2r/ssh_segments/stats (Type is String) gt1l Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce1 (Type is String) atlas_beam_type: strong (Type is String) groundtrack_id: gt1l (Type is String) atmosphere_profile: profile_1 (Type is String) atlas_spot_number: 1 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt1l (Type is String) gt1l_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1l/ssh_segments (Type is String) gt1l_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1l/ssh_segments/heights (Type is String) gt1l_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt1l/ssh_segments/stats (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) gt3l Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce3 (Type is String) atlas_beam_type: strong (Type is String) groundtrack_id: gt3l (Type is String) atmosphere_profile: profile_3 (Type is String) atlas_spot_number: 5 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt3l (Type is String) gt3l_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3l/ssh_segments (Type is String) gt3l_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3l/ssh_segments/heights (Type is String) gt3l_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3l/ssh_segments/stats (Type is String) gt2l Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce2 (Type is String) atlas_beam_type: strong (Type is String) groundtrack_id: gt2l (Type is String) atmosphere_profile: profile_2 (Type is String) atlas_spot_number: 3 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt2l (Type is String) gt2l_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2l/ssh_segments (Type is String) gt2l_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2l/ssh_segments/heights (Type is String) gt2l_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt2l/ssh_segments/stats (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) data_rate: Data within this group pertain to the granule in its entirety. (Type is String) fullnamepath: /ancillary_data (Type is String) ancillary_data_ocean Description: Contains general ancillary parameters. (Type is String) fullnamepath: /ancillary_data/ocean (Type is String) gt3r Description: This ground contains parameters and subgroups related a specific groundtrack. (Type is String) data_rate: Each subgroup identifies its particular data rate. (Type is String) atlas_pce: pce3 (Type is String) atlas_beam_type: weak (Type is String) groundtrack_id: gt3r (Type is String) atmosphere_profile: profile_3 (Type is String) atlas_spot_number: 6 (Type is String) sc_orientation: Backward (Type is String) fullnamepath: /gt3r (Type is String) gt3r_ssh_segments Description: Contains parameters relating to the calculated surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3r/ssh_segments (Type is String) gt3r_ssh_segments_heights Description: Contains parameters including and relating to the calculated sea surface height. (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3r/ssh_segments/heights (Type is String) gt3r_ssh_segments_stats Description: Contains parameters related to quality and corrections on the sea surface height parameters (Type is String) data_rate: Data within this group are stored at the variable ocean processing segment rate. (Type is String) fullnamepath: /gt3r/ssh_segments/stats (Type is String) DODS_EXTRA Unlimited_Dimension: ds_y_bins gt1l_ssh_segments_delta_time gt1r_ssh_segments_delta_time gt2l_ssh_segments_delta_time gt2r_ssh_segments_delta_time gt3l_ssh_segments_delta_time gt3r_ssh_segments_delta_time orbit_info_crossing_time orbit_info_sc_orient_time (Type is String)

Global Dimensions	View/Hide [ /ds_surf_type = 0..4 ] [ /ds_y_bins = 0..2999 ] [ /gt1l_ssh_segments_delta_time = 0..15957 ] [ /gt1r_ssh_segments_delta_time = 0..3463 ] [ /gt2l_ssh_segments_delta_time = 0..13927 ] [ /gt2r_ssh_segments_delta_time = 0..2809 ] [ /gt3l_ssh_segments_delta_time = 0..16917 ] [ /gt3r_ssh_segments_delta_time = 0..2734 ] [ /orbit_info_crossing_time = 0..3 ] [ /orbit_info_sc_orient_time = 0..0 ] [ /FakeDim0 = 0..0 ]

Variables	ds_surf_type[ /ds_surf_type= 0..4] (Type is Int32) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Surface Type Dimension Scale (Type is String) description: Dimension scale indexing the surface type array. Index=1 corresponds to Land; index = 2 corresponds to Ocean; Index = 3 corresponds to SeaIce; Index=4 corresponds to LandIce; Index=5 corresponds to InlandWater (Type is String) flag_meanings: land ocean seaice landice inland_water (Type is String) flag_values: 1, 2, 3, 4, 5 (Type is Int32) valid_min: 1 (Type is Int32) valid_max: 5 (Type is Int32) origname: ds_surf_type (Type is String) fullnamepath: /ds_surf_type (Type is String) ds_y_bins[ /ds_y_bins= 0..2999] (Type is Float32) attributes units: meters (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Dimension Scale for Y (Type is String) description: Bin values for the y histogram. (Type is String) origname: ds_y_bins (Type is String) fullnamepath: /ds_y_bins (Type is String) gt1l_ssh_segments_delta_time[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt1l/ssh_segments/delta_time (Type is String) gt1r_ssh_segments_delta_time[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt1r/ssh_segments/delta_time (Type is String) gt2l_ssh_segments_delta_time[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt2l/ssh_segments/delta_time (Type is String) gt2r_ssh_segments_delta_time[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt2r/ssh_segments/delta_time (Type is String) gt3l_ssh_segments_delta_time[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt3l/ssh_segments/delta_time (Type is String) gt3r_ssh_segments_delta_time[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Elapsed GPS seconds (Type is String) standard_name: time (Type is String) description: Mean time for the ocean surface segment in number of GPS seconds since the ATLAS SDP 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) source: telemetry (Type is String) origname: delta_time (Type is String) fullnamepath: /gt3r/ssh_segments/delta_time (Type is String) orbit_info_crossing_time[ /orbit_info_crossing_time= 0..3] (Type is Float64) attributes units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Ascending Node Crossing Time (Type is String) standard_name: time (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) source: POD/PPD (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 units: seconds since 2018-01-01 (Type is String) contentType: referenceInformation (Type is String) long_name: Time of Last Spacecraft Orientation Change (Type is String) standard_name: time (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) source: POD/PPD (Type is String) origname: sc_orient_time (Type is String) fullnamepath: /orbit_info/sc_orient_time (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..3] (Type is Int8) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Cycle Number (Type is String) description: A count of the number of exact repeats of this reference orbit. (Type is String) source: Operations (Type is String) valid_min: 0 (Type is Int8) valid_max: 50 (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..3] (Type is UInt16) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit. (Type is String) source: Operations (Type is String) valid_min: 1 (Type is UInt16) valid_max: 65000 (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_lan[ /orbit_info_crossing_time= 0..3] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Ascending Node Longitude (Type is String) description: Longitude at the ascending node crossing. (Type is String) source: POD/PPD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 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) orbit_info_sc_orient[ /orbit_info_sc_orient_time= 0..0] (Type is Int8) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Spacecraft Orientation (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) source: POD/PPD (Type is String) flag_meanings: backward forward transition (Type is String) flag_values: 0, 1, 2 (Type is Int8) valid_min: 0 (Type is Int8) valid_max: 2 (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_rgt[ /orbit_info_crossing_time= 0..3] (Type is Int16) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Reference Ground track (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) source: POD/PPD (Type is String) valid_min: 1 (Type is Int16) valid_max: 1387 (Type is Int16) origname: rgt (Type is String) fullnamepath: /orbit_info/rgt (Type is String) coordinates: orbit_info_crossing_time (Type is String) gt1r_ssh_segments_delt_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt1r/ssh_segments/delt_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time (Type is String) gt1r_ssh_segments_longitude[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt1r/ssh_segments/longitude (Type is String) coordinates: gt1r_ssh_segments_delta_time (Type is String) gt1r_ssh_segments_latitude[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt1r/ssh_segments/latitude (Type is String) coordinates: gt1r_ssh_segments_delta_time (Type is String) gt1r_ssh_segments_heights_mix_mu1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_y[ /gt1r_ssh_segments_delta_time= 0..3463] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt1r/ssh_segments/heights/y (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_mix_sig2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_mix_m2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_bin_ssbias[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt1r/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_h_skewness[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt1r/ssh_segments/heights/h_skewness (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_mix_sig1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_n_pulse_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt1r/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_length_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt1r/ssh_segments/heights/length_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_p0[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/p0 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_h_kurtosis[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt1r/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_yvar[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt1r/ssh_segments/heights/yvar (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_h_var[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt1r/ssh_segments/heights/h_var (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_ykurt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt1r/ssh_segments/heights/ykurt (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_ymean[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt1r/ssh_segments/heights/ymean (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_swh[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt1r/ssh_segments/heights/swh (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_meanoffit2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_mix_mu2[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_h[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt1r/ssh_segments/heights/h (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_slope_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt1r/ssh_segments/heights/slope_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_p1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/p1 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_mix_m1[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt1r/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_heights_yskew[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt1r/ssh_segments/heights/yskew (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_first_geoseg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_layer_flag_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_tide_pole_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_tide_earth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_solar_elevation_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_geoid_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_ss_corr_stdev[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt1r/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_last_pce_mframe_cnt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt1r/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_seg_dist_x_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_fpb_corr[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt1r/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_tide_ocean_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_fpb_corr_stdev[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt1r/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_orbit_number[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt1r/ssh_segments/stats/orbit_number (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_ref_azimuth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_tide_oc_pole_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_surf_type_prcnt[ /gt1r_ssh_segments_delta_time= 0..3463] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt1r/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_dac_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/dac_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_solar_azimuth_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_first_pce_mframe_cnt[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt1r/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_segment_id[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt1r/ssh_segments/stats/segment_id (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_tide_load_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_neutat_delay_total_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_first_tx_pulse[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt1r/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_backgr_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_n_photons[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt1r/ssh_segments/stats/n_photons (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_n_ttl_photon[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt1r/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_ss_corr[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt1r/ssh_segments/stats/ss_corr (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_last_tx_pulse[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt1r/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_photonns_rate[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt1r/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_photon_rate[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt1r/ssh_segments/stats/photon_rate (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_depth_ocn_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt1r_ssh_segments_stats_ref_elev_seg[ /gt1r_ssh_segments_delta_time= 0..3463] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt1r/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt1r_ssh_segments_delta_time gt1r_ssh_segments_latitude gt1r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_delt_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt2r/ssh_segments/delt_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time (Type is String) gt2r_ssh_segments_longitude[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt2r/ssh_segments/longitude (Type is String) coordinates: gt2r_ssh_segments_delta_time (Type is String) gt2r_ssh_segments_latitude[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt2r/ssh_segments/latitude (Type is String) coordinates: gt2r_ssh_segments_delta_time (Type is String) gt2r_ssh_segments_heights_mix_mu1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_y[ /gt2r_ssh_segments_delta_time= 0..2809] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt2r/ssh_segments/heights/y (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_mix_sig2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_mix_m2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_bin_ssbias[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt2r/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_h_skewness[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt2r/ssh_segments/heights/h_skewness (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_mix_sig1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_n_pulse_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt2r/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_length_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt2r/ssh_segments/heights/length_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_p0[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/p0 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_h_kurtosis[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt2r/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_yvar[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt2r/ssh_segments/heights/yvar (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_h_var[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt2r/ssh_segments/heights/h_var (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_ykurt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt2r/ssh_segments/heights/ykurt (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_ymean[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt2r/ssh_segments/heights/ymean (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_swh[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt2r/ssh_segments/heights/swh (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_meanoffit2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_mix_mu2[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_h[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt2r/ssh_segments/heights/h (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_slope_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt2r/ssh_segments/heights/slope_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_p1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/p1 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_mix_m1[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt2r/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_heights_yskew[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt2r/ssh_segments/heights/yskew (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_first_geoseg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_layer_flag_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_tide_pole_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_tide_earth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_solar_elevation_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_geoid_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_ss_corr_stdev[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt2r/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_last_pce_mframe_cnt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt2r/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_seg_dist_x_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_fpb_corr[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt2r/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_tide_ocean_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_fpb_corr_stdev[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt2r/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_orbit_number[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt2r/ssh_segments/stats/orbit_number (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_ref_azimuth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_tide_oc_pole_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_surf_type_prcnt[ /gt2r_ssh_segments_delta_time= 0..2809] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt2r/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_dac_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/dac_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_solar_azimuth_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_first_pce_mframe_cnt[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt2r/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_segment_id[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt2r/ssh_segments/stats/segment_id (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_tide_load_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_neutat_delay_total_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_first_tx_pulse[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt2r/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_backgr_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_n_photons[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt2r/ssh_segments/stats/n_photons (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_n_ttl_photon[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt2r/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_ss_corr[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt2r/ssh_segments/stats/ss_corr (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_last_tx_pulse[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt2r/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_photonns_rate[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt2r/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_photon_rate[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt2r/ssh_segments/stats/photon_rate (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_depth_ocn_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt2r_ssh_segments_stats_ref_elev_seg[ /gt2r_ssh_segments_delta_time= 0..2809] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt2r/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt2r_ssh_segments_delta_time gt2r_ssh_segments_latitude gt2r_ssh_segments_longitude (Type is String) gt1l_ssh_segments_delt_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt1l/ssh_segments/delt_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time (Type is String) gt1l_ssh_segments_longitude[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt1l/ssh_segments/longitude (Type is String) coordinates: gt1l_ssh_segments_delta_time (Type is String) gt1l_ssh_segments_latitude[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt1l/ssh_segments/latitude (Type is String) coordinates: gt1l_ssh_segments_delta_time (Type is String) gt1l_ssh_segments_heights_mix_mu1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_y[ /gt1l_ssh_segments_delta_time= 0..15957] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt1l/ssh_segments/heights/y (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_mix_sig2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_mix_m2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_bin_ssbias[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt1l/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_h_skewness[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt1l/ssh_segments/heights/h_skewness (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_mix_sig1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_n_pulse_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt1l/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_length_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt1l/ssh_segments/heights/length_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_p0[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/p0 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_h_kurtosis[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt1l/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_yvar[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt1l/ssh_segments/heights/yvar (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_h_var[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt1l/ssh_segments/heights/h_var (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_ykurt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt1l/ssh_segments/heights/ykurt (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_ymean[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt1l/ssh_segments/heights/ymean (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_swh[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt1l/ssh_segments/heights/swh (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_meanoffit2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_mix_mu2[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_h[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt1l/ssh_segments/heights/h (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_slope_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt1l/ssh_segments/heights/slope_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_p1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/p1 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_mix_m1[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt1l/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_heights_yskew[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt1l/ssh_segments/heights/yskew (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_first_geoseg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_layer_flag_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_tide_pole_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_tide_earth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_solar_elevation_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_geoid_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_ss_corr_stdev[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt1l/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_last_pce_mframe_cnt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt1l/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_seg_dist_x_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_fpb_corr[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt1l/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_tide_ocean_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_fpb_corr_stdev[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt1l/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_orbit_number[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt1l/ssh_segments/stats/orbit_number (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_ref_azimuth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_tide_oc_pole_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_surf_type_prcnt[ /gt1l_ssh_segments_delta_time= 0..15957] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt1l/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_dac_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/dac_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_solar_azimuth_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_first_pce_mframe_cnt[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt1l/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_segment_id[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt1l/ssh_segments/stats/segment_id (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_tide_load_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_neutat_delay_total_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_first_tx_pulse[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt1l/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_backgr_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_n_photons[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt1l/ssh_segments/stats/n_photons (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_n_ttl_photon[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt1l/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_ss_corr[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt1l/ssh_segments/stats/ss_corr (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_last_tx_pulse[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt1l/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_photonns_rate[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt1l/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_photon_rate[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt1l/ssh_segments/stats/photon_rate (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_depth_ocn_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) gt1l_ssh_segments_stats_ref_elev_seg[ /gt1l_ssh_segments_delta_time= 0..15957] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt1l/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt1l_ssh_segments_delta_time gt1l_ssh_segments_latitude gt1l_ssh_segments_longitude (Type is String) quality_assessment_qa_granule_fail_reason[ /FakeDim0= 0..0] (Type is Int32) attributes units: 1 (Type is String) contentType: qualityInformation (Type is String) long_name: Granule Failure Reason (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) source: Operations (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) valid_min: 0 (Type is Int32) valid_max: 5 (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 units: 1 (Type is String) contentType: qualityInformation (Type is String) long_name: Granule Pass Flag (Type is String) description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. (Type is String) source: Operations (Type is String) flag_meanings: PASS FAIL (Type is String) flag_values: 0, 1 (Type is Int32) valid_min: 0 (Type is Int32) valid_max: 1 (Type is Int32) origname: qa_granule_pass_fail (Type is String) fullnamepath: /quality_assessment/qa_granule_pass_fail (Type is String) gt3l_ssh_segments_delt_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt3l/ssh_segments/delt_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time (Type is String) gt3l_ssh_segments_longitude[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt3l/ssh_segments/longitude (Type is String) coordinates: gt3l_ssh_segments_delta_time (Type is String) gt3l_ssh_segments_latitude[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt3l/ssh_segments/latitude (Type is String) coordinates: gt3l_ssh_segments_delta_time (Type is String) gt3l_ssh_segments_heights_mix_mu1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_y[ /gt3l_ssh_segments_delta_time= 0..16917] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt3l/ssh_segments/heights/y (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_mix_sig2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_mix_m2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_bin_ssbias[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt3l/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_h_skewness[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt3l/ssh_segments/heights/h_skewness (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_mix_sig1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_n_pulse_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt3l/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_length_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt3l/ssh_segments/heights/length_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_p0[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/p0 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_h_kurtosis[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt3l/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_yvar[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt3l/ssh_segments/heights/yvar (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_h_var[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt3l/ssh_segments/heights/h_var (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_ykurt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt3l/ssh_segments/heights/ykurt (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_ymean[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt3l/ssh_segments/heights/ymean (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_swh[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt3l/ssh_segments/heights/swh (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_meanoffit2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_mix_mu2[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_h[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt3l/ssh_segments/heights/h (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_slope_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt3l/ssh_segments/heights/slope_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_p1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/p1 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_mix_m1[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt3l/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_heights_yskew[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt3l/ssh_segments/heights/yskew (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_first_geoseg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_layer_flag_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_tide_pole_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_tide_earth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_solar_elevation_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_geoid_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_ss_corr_stdev[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt3l/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_last_pce_mframe_cnt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt3l/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_seg_dist_x_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_fpb_corr[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt3l/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_tide_ocean_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_fpb_corr_stdev[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt3l/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_orbit_number[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt3l/ssh_segments/stats/orbit_number (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_ref_azimuth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_tide_oc_pole_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_surf_type_prcnt[ /gt3l_ssh_segments_delta_time= 0..16917] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt3l/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_dac_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/dac_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_solar_azimuth_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_first_pce_mframe_cnt[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt3l/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_segment_id[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt3l/ssh_segments/stats/segment_id (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_tide_load_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_neutat_delay_total_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_first_tx_pulse[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt3l/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_backgr_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_n_photons[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt3l/ssh_segments/stats/n_photons (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_n_ttl_photon[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt3l/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_ss_corr[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt3l/ssh_segments/stats/ss_corr (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_last_tx_pulse[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt3l/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_photonns_rate[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt3l/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_photon_rate[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt3l/ssh_segments/stats/photon_rate (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_depth_ocn_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt3l_ssh_segments_stats_ref_elev_seg[ /gt3l_ssh_segments_delta_time= 0..16917] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt3l/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt3l_ssh_segments_delta_time gt3l_ssh_segments_latitude gt3l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_delt_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt2l/ssh_segments/delt_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time (Type is String) gt2l_ssh_segments_longitude[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt2l/ssh_segments/longitude (Type is String) coordinates: gt2l_ssh_segments_delta_time (Type is String) gt2l_ssh_segments_latitude[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt2l/ssh_segments/latitude (Type is String) coordinates: gt2l_ssh_segments_delta_time (Type is String) gt2l_ssh_segments_heights_mix_mu1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_y[ /gt2l_ssh_segments_delta_time= 0..13927] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt2l/ssh_segments/heights/y (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_mix_sig2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_mix_m2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_bin_ssbias[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt2l/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_h_skewness[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt2l/ssh_segments/heights/h_skewness (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_mix_sig1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_n_pulse_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt2l/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_length_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt2l/ssh_segments/heights/length_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_p0[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/p0 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_h_kurtosis[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt2l/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_yvar[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt2l/ssh_segments/heights/yvar (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_h_var[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt2l/ssh_segments/heights/h_var (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_ykurt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt2l/ssh_segments/heights/ykurt (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_ymean[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt2l/ssh_segments/heights/ymean (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_swh[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt2l/ssh_segments/heights/swh (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_meanoffit2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_mix_mu2[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_h[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt2l/ssh_segments/heights/h (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_slope_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt2l/ssh_segments/heights/slope_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_p1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/p1 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_mix_m1[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt2l/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_heights_yskew[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt2l/ssh_segments/heights/yskew (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_first_geoseg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_layer_flag_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_tide_pole_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_tide_earth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_solar_elevation_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_geoid_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_ss_corr_stdev[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt2l/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_last_pce_mframe_cnt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt2l/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_seg_dist_x_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_fpb_corr[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt2l/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_tide_ocean_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_fpb_corr_stdev[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt2l/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_orbit_number[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt2l/ssh_segments/stats/orbit_number (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_ref_azimuth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_tide_oc_pole_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_surf_type_prcnt[ /gt2l_ssh_segments_delta_time= 0..13927] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt2l/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_dac_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/dac_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_solar_azimuth_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_first_pce_mframe_cnt[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt2l/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_segment_id[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt2l/ssh_segments/stats/segment_id (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_tide_load_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_neutat_delay_total_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_first_tx_pulse[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt2l/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_backgr_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_n_photons[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt2l/ssh_segments/stats/n_photons (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_n_ttl_photon[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt2l/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_ss_corr[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt2l/ssh_segments/stats/ss_corr (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_last_tx_pulse[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt2l/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_photonns_rate[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt2l/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_photon_rate[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt2l/ssh_segments/stats/photon_rate (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_depth_ocn_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) gt2l_ssh_segments_stats_ref_elev_seg[ /gt2l_ssh_segments_delta_time= 0..13927] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt2l/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt2l_ssh_segments_delta_time gt2l_ssh_segments_latitude gt2l_ssh_segments_longitude (Type is String) ancillary_data_release[ /FakeDim0= 0..0] (Type is String) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Release Number (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) source: Operations (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending Geolocation Segment (Type is String) description: The ending geolocation segment number associated with the data contained within this granule. ICESat 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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Version (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) source: Operations (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending Region (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) source: Derived (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 units: seconds since 1980-01-06T00:00:00.000000Z (Type is String) contentType: auxiliaryInformation (Type is String) long_name: ATLAS Epoch Offset (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) source: Operations (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending Reference Groundtrack (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) source: Derived (Type is String) valid_min: 1 (Type is Int32) valid_max: 1387 (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 units: seconds since 2018-01-01 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: ATLAS End Time (Actual) (Type is String) standard_name: time (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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending Orbit Number (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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Starting Cycle (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) source: Derived (Type is String) valid_min: 0 (Type is Int32) valid_max: 99 (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: End UTC Time of Granule (CCSDS-A, Actual) (Type is String) description: UTC (in CCSDS-A format) of the last data point within the granule. (Type is String) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Control File (Type is String) description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. (Type is String) source: Operations (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 units: seconds (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Start GPS SOW of Granule (Actual) (Type is String) description: GPS seconds-of-week of the first data point in the granule. (Type is String) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: End UTC Time of Granule (CCSDS-A, Requested) (Type is String) description: Requested end time (in UTC CCSDS-A) of this granule. (Type is String) source: Derived (Type is String) origname: granule_end_utc (Type is String) fullnamepath: /ancillary_data/granule_end_utc (Type is String) ancillary_data_end_cycle[ /FakeDim0= 0..0] (Type is Int32) attributes units: 1 (Type is String) 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) valid_min: 0 (Type is Int32) valid_max: 99 (Type is Int32) origname: end_cycle (Type is String) fullnamepath: /ancillary_data/end_cycle (Type is String) ancillary_data_ocean_ocseg_min_sig[ /FakeDim0= 0..0] (Type is Int32) attributes units: counts (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ocean Segment Minimum Signal Photons (Type is String) description: Minimum number of signal photons required to process an ocean segment. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: ocseg_min_sig (Type is String) fullnamepath: /ancillary_data/ocean/ocseg_min_sig (Type is String) ancillary_data_ocean_fine_max_secs[ /FakeDim0= 0..0] (Type is Float64) attributes units: seconds (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Maximum Integration Time (Type is String) description: Maximum fine segment duration of fine selection segment (equivalent to required number of tx pulses). (Type is String) source: Operations (Type is String) origname: fine_max_secs (Type is String) fullnamepath: /ancillary_data/ocean/fine_max_secs (Type is String) ancillary_data_ocean_sig_thres[ /FakeDim0= 0..0] (Type is Float32) attributes units: percent (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Signal Threshold (Type is String) description: Threshold for photons to be considered signal. (Type is String) source: Operations (Type is String) origname: sig_thres (Type is String) fullnamepath: /ancillary_data/ocean/sig_thres (Type is String) ancillary_data_ocean_fine_min_sig[ /FakeDim0= 0..0] (Type is Int32) attributes units: counts (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Minimum Signal Photons (Type is String) description: Minimum number of signal photons required to perform fine selection. (Type is String) source: Operations (Type is String) origname: fine_min_sig (Type is String) fullnamepath: /ancillary_data/ocean/fine_min_sig (Type is String) ancillary_data_ocean_hist_bot[ /FakeDim0= 0..0] (Type is Float32) attributes units: meters (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Histogram Bottom (Type is String) description: Bottom (minimum height) of the coarse and fine select histograms. (Type is String) source: Operations (Type is String) origname: hist_bot (Type is String) fullnamepath: /ancillary_data/ocean/hist_bot (Type is String) ancillary_data_ocean_hist_bin_size[ /FakeDim0= 0..0] (Type is Float32) attributes units: meters (Type is String) contentType: auxiliaryInformation (Type is String) description: Height histogram and impulse response bin size in meters. (Type is String) source: Operations (Type is String) long_name: Histogram Bin Size (Type is String) origname: hist_bin_size (Type is String) fullnamepath: /ancillary_data/ocean/hist_bin_size (Type is String) ancillary_data_ocean_cld_thres[ /FakeDim0= 0..0] (Type is Float32) attributes units: percent (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Cloud Threshold (Type is String) description: Data associated with cloud percentages above this threshold are not processed. (Type is String) source: Operations (Type is String) origname: cld_thres (Type is String) fullnamepath: /ancillary_data/ocean/cld_thres (Type is String) ancillary_data_ocean_hist_top[ /FakeDim0= 0..0] (Type is Float32) attributes units: meters (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Histogram Top (Type is String) description: Top (maximum height) of the coarse and fine select histograms. (Type is String) source: Operations (Type is String) origname: hist_top (Type is String) fullnamepath: /ancillary_data/ocean/hist_top (Type is String) ancillary_data_ocean_hist_nbins[ /FakeDim0= 0..0] (Type is Int32) attributes units: counts (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Number of histogram bins. (Type is String) description: Number of bins in each histogram. (Type is String) source: Derived (Type is String) origname: hist_nbins (Type is String) fullnamepath: /ancillary_data/ocean/hist_nbins (Type is String) ancillary_data_ocean_proc_interval[ /FakeDim0= 0..0] (Type is Int32) attributes units: counts (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Processing interval (Type is String) description: The number of 20 meter segments read at once from ATL03. (Type is String) source: Operations (Type is String) origname: proc_interval (Type is String) fullnamepath: /ancillary_data/ocean/proc_interval (Type is String) ancillary_data_ocean_min_ph_pcnt[ /FakeDim0= 0..0] (Type is Float32) attributes units: percent (Type is String) contentType: auxiliaryInformation (Type is String) description: Minimum percentage of the selected coarse photons being selected in fine_sel to continue processing. (Type is String) source: Operations (Type is String) long_name: Minimum Photon Percentage (Type is String) origname: min_ph_pcnt (Type is String) fullnamepath: /ancillary_data/ocean/min_ph_pcnt (Type is String) ancillary_data_ocean_oc_region[ /FakeDim0= 0..0] (Type is Int32) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ocean Region Index (Type is String) description: The ocean region covered within this granule. (Type is String) source: Operations (Type is String) origname: oc_region (Type is String) fullnamepath: /ancillary_data/ocean/oc_region (Type is String) ancillary_data_ocean_coarse_interval[ /FakeDim0= 0..0] (Type is Float64) attributes units: seconds (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Coarse selection interval (Type is String) description: The number of seconds of data used for coarse selection (normally equivalent to 400 laser pulses). (Type is String) source: Operations (Type is String) origname: coarse_interval (Type is String) fullnamepath: /ancillary_data/ocean/coarse_interval (Type is String) ancillary_data_granule_start_utc[ /FakeDim0= 0..0] (Type is String) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Start UTC Time of Granule (CCSDS-A, Requested) (Type is String) description: Requested start time (in UTC CCSDS-A) of this granule. (Type is String) source: Derived (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 units: seconds since 2018-01-01 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: ATLAS Start Time (Actual) (Type is String) standard_name: time (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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Starting Geolocation Segment (Type is String) description: The starting geolocation segment number associated with the data contained within this granule. ICESat 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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Starting Orbit Number (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) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Start UTC Time of Granule (CCSDS-A, Actual) (Type is String) description: UTC (in CCSDS-A format) of the first data point within the granule. (Type is String) source: Derived (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 units: weeks from 1980-01-06 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending GPSWeek of Granule (Actual) (Type is String) description: GPS week number of the last data point in the granule. (Type is String) source: Derived (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 units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Starting Reference Groundtrack (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) source: Derived (Type is String) valid_min: 1 (Type is Int32) valid_max: 1387 (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 units: seconds (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Ending GPS SOW of Granule (Actual) (Type is String) description: GPS seconds-of-week of the last data point in the granule. (Type is String) source: Derived (Type is String) origname: end_gpssow (Type is String) fullnamepath: /ancillary_data/end_gpssow (Type is String) ancillary_data_qa_at_interval[ /FakeDim0= 0..0] (Type is Float64) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: QA Along-Track Interval (Type is String) description: Statistics time interval for along-track QA data. (Type is String) source: control (Type is String) origname: qa_at_interval (Type is String) fullnamepath: /ancillary_data/qa_at_interval (Type is String) ancillary_data_start_region[ /FakeDim0= 0..0] (Type is Int32) attributes units: 1 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Starting Region (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) source: Derived (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 units: weeks from 1980-01-06 (Type is String) contentType: auxiliaryInformation (Type is String) long_name: Start GPSWeek of Granule (Actual) (Type is String) description: GPS week number of the first data point in the granule. (Type is String) source: Derived (Type is String) origname: start_gpsweek (Type is String) fullnamepath: /ancillary_data/start_gpsweek (Type is String) gt3r_ssh_segments_delt_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: seconds (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean Segment Duration (Type is String) description: Time duration segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: delt_seg (Type is String) fullnamepath: /gt3r/ssh_segments/delt_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time (Type is String) gt3r_ssh_segments_longitude[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: degrees_east (Type is String) contentType: referenceInformation (Type is String) long_name: Mean longitude of surface segment (Type is String) standard_name: longitude (Type is String) description: Mean longitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -180.00000000000000 (Type is Float64) valid_max: 180.00000000000000 (Type is Float64) origname: longitude (Type is String) fullnamepath: /gt3r/ssh_segments/longitude (Type is String) coordinates: gt3r_ssh_segments_delta_time (Type is String) gt3r_ssh_segments_latitude[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: degrees_north (Type is String) contentType: referenceInformation (Type is String) long_name: Mean latitude of surface segment (Type is String) standard_name: latitude (Type is String) description: Mean latitude of surface photons in segment (Type is String) source: Ocean ATBD (Type is String) valid_min: -90.000000000000000 (Type is Float64) valid_max: 90.000000000000000 (Type is Float64) origname: latitude (Type is String) fullnamepath: /gt3r/ssh_segments/latitude (Type is String) coordinates: gt3r_ssh_segments_delta_time (Type is String) gt3r_ssh_segments_heights_mix_mu1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 1 Gaussian mixture (Type is String) description: Mean of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu1 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_mu1 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_y[ /gt3r_ssh_segments_delta_time= 0..2734] [ /ds_y_bins= 0..2999] (Type is Float32) attributes units: 1/meter (Type is String) contentType: referenceInformation (Type is String) long_name: PDF of Height (Type is String) description: Probability density function of photon surface height (Type is String) source: Ocean ATBD (Type is String) origname: y (Type is String) fullnamepath: /gt3r/ssh_segments/heights/y (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_mix_sig2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 2 Gaussian mixture (Type is String) description: Standard deviation of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig2 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_sig2 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_mix_m2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 2 Gaussian mixture (Type is String) description: Fraction of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m2 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_m2 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_bin_ssbias[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea State Bias (Type is String) description: Mean of linear fit removed from surface photon height (4.3.1) (Type is String) source: Ocean ATBD (Type is String) origname: bin_ssbias (Type is String) fullnamepath: /gt3r/ssh_segments/heights/bin_ssbias (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_h_skewness[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Skewness of sea surface height (Type is String) description: Skewness of photon sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 23 (Type is String) origname: h_skewness (Type is String) fullnamepath: /gt3r/ssh_segments/heights/h_skewness (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_mix_sig1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Standard deviation of component 1 Gaussian mixture (Type is String) description: Standard deviation of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_sig1 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_sig1 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_n_pulse_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number laser pulses segment (Type is String) description: Number of laser pulses in segment (Type is String) source: Ocean ATBD (Type is String) origname: n_pulse_seg (Type is String) fullnamepath: /gt3r/ssh_segments/heights/n_pulse_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_length_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Length of segment (Type is String) description: Length of segment (m) (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: length_seg (Type is String) fullnamepath: /gt3r/ssh_segments/heights/length_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_p0[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Intercept of Linear Fit (Type is String) description: Zero intercept of the linear fit used to detrend the photon heights before going into the second round of surface finding (Type is String) source: Ocean ATBD (Type is String) origname: p0 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/p0 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_h_kurtosis[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: kurtosis of sea surface height (Type is String) description: Excess kurtosis of sea surface height of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 24. (Type is String) origname: h_kurtosis (Type is String) fullnamepath: /gt3r/ssh_segments/heights/h_kurtosis (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_yvar[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meter^2 (Type is String) contentType: referenceInformation (Type is String) long_name: yvar (Type is String) description: Variance= second moment of Y calculated as the integral of Y(z) times z squared, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yvar (Type is String) fullnamepath: /gt3r/ssh_segments/heights/yvar (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_h_var[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters^2 (Type is String) contentType: referenceInformation (Type is String) long_name: Variance of fit (Type is String) description: Variance in meters squared of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 22. (Type is String) origname: h_var (Type is String) fullnamepath: /gt3r/ssh_segments/heights/h_var (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_ykurt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ykurt (Type is String) description: Excess Kurtosis = (fourth moment of Y)/ Yvar squared, all -3. The fourth moment of Y is calculated as the integral of Y(z) times z to the fourth, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: ykurt (Type is String) fullnamepath: /gt3r/ssh_segments/heights/ykurt (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_ymean[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ymean (Type is String) description: Mean=first moment of Y calculated as the integral of Y(z) times z all divided by the integral of Y(z). This, should be ~0 = h -meanoffit2 (Type is String) source: Ocean ATBD (Type is String) origname: ymean (Type is String) fullnamepath: /gt3r/ssh_segments/heights/ymean (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_swh[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: swh (Type is String) description: Significant wave height estimated as 4 times the standard deviation of along track 10-m bin averaged surface height (Type is String) source: Ocean ATBD (Type is String) origname: swh (Type is String) fullnamepath: /gt3r/ssh_segments/heights/swh (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_meanoffit2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: coarse Sea surface height of segment (Type is String) description: Average of the linear fit, P0+P1X, where P0 and P1 are the coefficients of the linear fit to the initial choice of surface photons and X is the array of along-track positions of the final choice of surface photons (Type is String) source: Ocean ATBD Sect. 5.2.4 step G (Type is String) origname: meanoffit2 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/meanoffit2 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_mix_mu2[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Mean of component 2 Gaussian mixture (Type is String) description: Mean of component 2 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_mu2 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_mu2 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_h[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: mean sea surface height (Type is String) description: Mean sea surface height in meters computed as the mean of the distribution represented as an optimum 2-Gaussian mixture fit to the DOT plus the geoid and the mean removed in detrending the surface photon heights for analysis. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I, equation 21 (Type is String) origname: h (Type is String) fullnamepath: /gt3r/ssh_segments/heights/h (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_slope_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: meters/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Sea surface slope of segment (Type is String) description: Sea surface slope equal to the linear coefficient , P1, of the linear fit used to detrend the photon heights before going into the second round of surface finding. (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I.Sect. 5.2.4 step G (Type is String) origname: slope_seg (Type is String) fullnamepath: /gt3r/ssh_segments/heights/slope_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_p1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters/meter (Type is String) contentType: referenceInformation (Type is String) long_name: Slope of Linear Fit (Type is String) description: Slope of linear fit versus along-track distance to surface photon height (Type is String) source: Ocean ATBD (Type is String) origname: p1 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/p1 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_mix_m1[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Fraction of component 1 Gaussian mixture (Type is String) description: Fraction of component 1 in 2-component Gaussian mixture (Type is String) source: Ocean ATBD Sect. 5.2.6.2 step I. (Type is String) origname: mix_m1 (Type is String) fullnamepath: /gt3r/ssh_segments/heights/mix_m1 (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_heights_yskew[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: yskew (Type is String) description: Skewness = (third moment of Y)/ Yvar to the 3/2 power. The third moment of Y is calculated as the integral of Y(z) times z cubed, all divided by the integral of Y(z). (Type is String) source: Ocean ATBD (Type is String) origname: yskew (Type is String) fullnamepath: /gt3r/ssh_segments/heights/yskew (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_first_geoseg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 Geolocation Segment (Type is String) description: The first of the geosegment ids (segment_id) for each ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: first_geoseg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/first_geoseg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_layer_flag_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Layer Flag (Type is String) description: The layer flag from ATL09 that is in effect over 50% of the ocean segment, 0 indicating absence of clouds and forward scattering, and 1 indicating possibility of forward scattering as in ATL09 (Type is String) source: Ocean ATBD (Type is String) origname: layer_flag_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/layer_flag_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_tide_pole_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Solid Earth Pole Tide (Type is String) description: Solid Earth Pole Tide -Rotational deformation due to polar motion (-1.5 to 1.5 cm). (Type is String) source: ATL03 (Type is String) origname: tide_pole_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/tide_pole_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_tide_earth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Earth Tide (Type is String) description: Ocean segment average of solid earth tides (Type is String) source: ATL03 (Type is String) origname: tide_earth_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/tide_earth_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_solar_elevation_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees (Type is String) long_name: solar elevation (Type is String) description: Ocean segment average of the elevation of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from the East-North plane and is positive towards Up. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_elevation_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/solar_elevation_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_geoid_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes long_name: Geoid (Type is String) _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) description: Ocean segment average of geoid height above the WGS \342\200\223 84 reference ellipsoid (range -107 to 86 m) (Type is String) source: ATL03 (Type is String) origname: geoid_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/geoid_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_ss_corr_stdev[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: ss_corr_stdev (Type is String) description: Estimated error of subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr_stdev (Type is String) fullnamepath: /gt3r/ssh_segments/stats/ss_corr_stdev (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_last_pce_mframe_cnt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last PCE Major frame ID (Type is String) description: Last Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: last_pce_mframe_cnt (Type is String) fullnamepath: /gt3r/ssh_segments/stats/last_pce_mframe_cnt (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_seg_dist_x_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float64) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Distance along-track (Type is String) description: Ocean segment average of the along-track distance from the equator crossing to the start of the 20-m geolocation segments included in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: seg_dist_x_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/seg_dist_x_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_fpb_corr[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: first photon bias correction (Type is String) description: Estimated first-photon bias correction to mean segment height = 0 pending findings to the contrary for the ocean (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr (Type is String) fullnamepath: /gt3r/ssh_segments/stats/fpb_corr (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_tide_ocean_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Tide (Type is String) description: Ocean segment average of ocean tides including diurnal and semi-diurnal (harmonic analysis) and longer period tides (dynamic and self-consistent equilibrium) (Type is String) source: ATL03 (Type is String) origname: tide_ocean_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/tide_ocean_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_fpb_corr_stdev[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: fpb_corr_stdev (Type is String) description: Estimated error in fpb_corr = 0 pending findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: fpb_corr_stdev (Type is String) fullnamepath: /gt3r/ssh_segments/stats/fpb_corr_stdev (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_orbit_number[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int16) attributes units: 1 (Type is String) long_name: Orbit Number (Type is String) description: Unique identifying number for each planned ICESat-2 orbit (Type is String) source: ATL03 (Type is String) origname: orbit_number (Type is String) fullnamepath: /gt3r/ssh_segments/stats/orbit_number (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_ref_azimuth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: Azimuth (Type is String) standard_name: azimuth (Type is String) description: Ocean segment average of azimuth of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from North and positive towards East (Type is String) source: ATL03 (Type is String) origname: ref_azimuth_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/ref_azimuth_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_tide_oc_pole_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Ocean Pole Tide (Type is String) description: Ocean segment average of oceanic surface rotational deformation due to polar motion (-2 to +2 mm) (Type is String) source: ATL03 (Type is String) origname: tide_oc_pole_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/tide_oc_pole_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_surf_type_prcnt[ /gt3r_ssh_segments_delta_time= 0..2734] [ /ds_surf_type= 0..4] (Type is Float32) attributes units: 1 (Type is String) contentType: referenceInformation (Type is String) long_name: Surface Type (Type is String) description: Percent of each surface type (land, ocean, land ice, sea ice, inland water from masks) in the ocean segment (Type is String) source: ATL03 (Type is String) origname: surf_type_prcnt (Type is String) fullnamepath: /gt3r/ssh_segments/stats/surf_type_prcnt (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_dac_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Dynamic Atmosphere Correction (Type is String) description: Ocean segment average of dynamic atmospheric correction (DAC) includes inverted barometer (IB) affect (Type is String) source: ATL03 (Type is String) origname: dac_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/dac_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_solar_azimuth_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: degrees_east (Type is String) long_name: solar azimuth (Type is String) description: Ocean segment average of the azimuth of the sun position vector from the reference photon bounce point position in the local ENU frame. The angle is measured from North and is positive towards East. The average is provided in degrees. (Type is String) source: ATL03 (Type is String) origname: solar_azimuth_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/solar_azimuth_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_first_pce_mframe_cnt[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is UInt32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First PCE Major frame ID (Type is String) description: First Major Frame ID in the SSH segment (Type is String) source: l1a/atlas/pcex/altimeter/photons_s and photons_w (Type is String) origname: first_pce_mframe_cnt (Type is String) fullnamepath: /gt3r/ssh_segments/stats/first_pce_mframe_cnt (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_segment_id[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32) attributes units: 1 (Type is String) long_name: ATL03 geolocation segment ID number. (Type is String) description: A 7 digit number identifying the first along-track ATL03 geolocation segment number in the ocean height segment (Type is String) source: ATL03 (Type is String) origname: segment_id (Type is String) fullnamepath: /gt3r/ssh_segments/stats/segment_id (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_tide_load_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Load Tide (Type is String) description: Ocean segment average of local displacement due to ocean loading (-6 to 0 cm) (Type is String) source: ATL03 (Type is String) origname: tide_load_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/tide_load_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_neutat_delay_total_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) long_name: Total Neutral Atmospheric Delay (Type is String) description: Ocean segment average of total neutral atmosphere delay correction (wet + dry) (Type is String) source: ATL03 (Type is String) origname: neutat_delay_total_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/neutat_delay_total_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_first_tx_pulse[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: First Transmit Pulse (Type is String) description: First Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: first_tx_pulse (Type is String) fullnamepath: /gt3r/ssh_segments/stats/first_tx_pulse (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_backgr_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: ATL03 background (Type is String) description: backgrd_atlas/bckgrd_rate from ATL03 averaged over the segment (Type is String) source: Ocean ATBD (Type is String) origname: backgr_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/backgr_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_n_photons[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number surface photons segment (Type is String) description: Number of surface photons found for the segment (Type is String) source: Ocean ATBD (Type is String) origname: n_photons (Type is String) fullnamepath: /gt3r/ssh_segments/stats/n_photons (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_n_ttl_photon[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int64) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Number photons segment (Type is String) description: Number of photons in the \302\26115-m ocean downlink band (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: n_ttl_photon (Type is String) fullnamepath: /gt3r/ssh_segments/stats/n_ttl_photon (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_ss_corr[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: subsurface scattering correction (Type is String) description: Subsurface scattering correction, placeholder = zero pending further findings to the contrary (Type is String) source: Ocean ATBD (Type is String) origname: ss_corr (Type is String) fullnamepath: /gt3r/ssh_segments/stats/ss_corr (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_last_tx_pulse[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Int32) attributes units: counts (Type is String) contentType: referenceInformation (Type is String) long_name: Last Transmit Pulse (Type is String) description: Last Transmit pulse in along-track segment (Type is String) source: Ocean ATBD (Type is String) origname: last_tx_pulse (Type is String) fullnamepath: /gt3r/ssh_segments/stats/last_tx_pulse (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_photonns_rate[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Noise photon count rate, averaged over the segment (Type is String) description: Noise photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N.Sect. 5.2.4 step N (Type is String) origname: photonns_rate (Type is String) fullnamepath: /gt3r/ssh_segments/stats/photonns_rate (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_photon_rate[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: 1/meters (Type is String) contentType: referenceInformation (Type is String) long_name: Photon count rate, averaged over the segment (Type is String) description: Photon count rate, averaged over the segment (Type is String) source: Ocean ATBD Sect. 5.2.4 step N. (Type is String) origname: photon_rate (Type is String) fullnamepath: /gt3r/ssh_segments/stats/photon_rate (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_depth_ocn_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes units: meters (Type is String) contentType: referenceInformation (Type is String) long_name: Ocean depth (Type is String) description: The average of depth_ocn of geo-segments used in the ocean segment (Type is String) source: Ocean ATBD (Type is String) origname: depth_ocn_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/depth_ocn_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String) gt3r_ssh_segments_stats_ref_elev_seg[ /gt3r_ssh_segments_delta_time= 0..2734] (Type is Float32) attributes _FillValue: 3.402823466e+38 (Type is Float32) units: radians (Type is String) long_name: elevation (Type is String) standard_name: elevation (Type is String) description: Ocean segment average of elevation of the unit pointing vector for the reference photon in the local ENU frame in radians. The angle is measured from the East-North plane and positive towards Up (Type is String) source: ATL03 (Type is String) origname: ref_elev_seg (Type is String) fullnamepath: /gt3r/ssh_segments/stats/ref_elev_seg (Type is String) coordinates: gt3r_ssh_segments_delta_time gt3r_ssh_segments_latitude gt3r_ssh_segments_longitude (Type is String)

dataset: ATL12_20190330212241_00250301_001_01.h5
dmr

OPeNDAP Hyrax (1.17.0)
Documentation Questions? Contact Support

dataset: ATL12_20190330212241_00250301_001_01.h5 dmr

OPeNDAP Hyrax (1.17.0) Documentation Questions? Contact Support

dataset: ATL12_20190330212241_00250301_001_01.h5
dmr

OPeNDAP Hyrax (1.17.0)
Documentation Questions? Contact Support