| Conventions: | CF-1.6 |
| 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) |
| contributor_role: | Instrument Engineer, Investigator, Principle Investigator, Data Producer, Data Producer |
| date_type: | UTC |
| description: | This data set (ATL22) contains mean transect parameters and estimates of mean water body height, maximum slope and aspect, for approximately equilateral triangular planar surfaces. |
| featureType: | trajectory |
| geospatial_lat_units: | degrees_north |
| geospatial_lon_units: | degrees_east |
| granule_type: | ATL22 |
| identifier_product_doi_authority: | http://dx.doi.org |
| level: | L3B |
| 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. |
| naming_authority: | http://dx.doi.org |
| short_name: | ATL22 |
| spatial_coverage_type: | Horizontal |
| standard_name_vocabulary: | CF-1.6 |
| time_type: | CCSDS UTC-A |
| title: | SET_BY_META |
| date_created: | 2021-12-01T21:11:32.000000Z |
| hdfversion: | HDF5 1.10.7 |
| history: | 2021-12-01T21:11:32.000000Z;58e002f9-b081-3179-8676-0d05d3be281d;Created by PGE atlas_l3b_iw Version 1.1 |
| identifier_file_uuid: | 58e002f9-b081-3179-8676-0d05d3be281d |
| identifier_product_format_version: | 1.0 |
| time_coverage_duration: | 90518.000000000000 |
| time_coverage_end: | 2021-07-13T01:47:43.000000Z |
| time_coverage_start: | 2021-07-12T00:39:05.000000Z |
| geospatial_lat_min: | -73.557538300927249 |
| geospatial_lon_min: | -179.86051773421741 |
| geospatial_lat_max: | 83.674632364785552 |
| geospatial_lon_max: | 173.18982822821926 |
| publisher_name: | NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center |
| publisher_email: | nsidc@nsidc.org |
| publisher_url: | https://nsidc.org/daac/ |
| identifier_product_type: | ATL22 |
| identifier_product_doi: | doi:10.5067/ATLAS/ATL22.002 |
| institution: | National Aeronautics and Space Administration (NASA) |
| creator_name: | GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System |
| summary: | Scientific Research |
| keywords: | EARTH SCIENCE > TERRESTRIAL HYDROSPHERE > SURFACE WATER > SURFACE WATER FEATURES > LAKES/RESERVOIRS > Elevation |
| keywords_vocabulary: | NASA/GCMD Science Keywords |
| 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. |
| processing_level: | 3B |
| references: | http://nsidc.org/data/icesat2/data.html |
| project: | ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 |
| instrument: | ATLAS > Advanced Topographic Laser Altimeter System |
| platform: | ICESat-2 > Ice, Cloud, and land Elevation Satellite-2 |
| source: | Spacecraft |
| Unlimited_Dimension: | gt1l_transect_time, gt1r_transect_time, gt2l_transect_time, gt2r_transect_time, gt3l_transect_time, gt3r_transect_time, orbit_info_crossing_time, orbit_info_sc_orient_time |
| orbit_info_cycle_number: | Array of 16 bit Integers [orbit_info_crossing_time = 0..15] contentType: referenceInformation description: A count of the number of exact repeats of this reference orbit. long_name: Cycle Number source: Operations units: 1 valid_max: 50 valid_min: 0 origname: cycle_number fullnamepath: /orbit_info/cycle_number coordinates: orbit_info_crossing_time |
| orbit_info_orbit_number: | Array of 16 bit Unsigned integers [orbit_info_crossing_time = 0..15] contentType: referenceInformation description: Unique identifying number for each planned ICESat-2 orbit. long_name: Orbit Number source: Operations units: 1 valid_max: 65000 valid_min: 1 origname: orbit_number fullnamepath: /orbit_info/orbit_number coordinates: orbit_info_crossing_time |
| orbit_info_rgt: | Array of 16 bit Integers [orbit_info_crossing_time = 0..15] contentType: referenceInformation 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. long_name: Reference Ground track source: POD/PPD units: 1 valid_max: 1387 valid_min: 1 origname: rgt fullnamepath: /orbit_info/rgt coordinates: orbit_info_crossing_time |
| orbit_info_sc_orient: | Array of 16 bit Integers [orbit_info_sc_orient_time = 0..0] contentType: referenceInformation 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. flag_meanings: backward forward transition flag_values: 0, 1, 2 long_name: Spacecraft Orientation source: POD/PPD units: 1 valid_max: 2 valid_min: 0 origname: sc_orient fullnamepath: /orbit_info/sc_orient coordinates: orbit_info_sc_orient_time |
| orbit_info_lan: | Array of 64 bit Reals [orbit_info_crossing_time = 0..15] contentType: referenceInformation description: Longitude at the ascending node crossing. long_name: Ascending Node Longitude source: POD/PPD units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: lan fullnamepath: /orbit_info/lan coordinates: orbit_info_crossing_time |
| gt1r_transect_start_lat: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt1r/transect_start_lat coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_time: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt1r/transect_mean_time coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_id: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt1r/transect_id coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt1r/transect_mean_ht_WGS84 coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_inland_water_body_type: | Array of 16 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt1r/inland_water_body_type coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_inland_water_body_id: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt1r/inland_water_body_id coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_lseg2_cnt: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt1r/transect_lseg2_cnt coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_lat: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt1r/transect_lat coordinates: gt1r_transect_time |
| gt1r_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt1r/transect_mean_stdev_water_surf coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_end_lat: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt1r/transect_end_lat coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_lseg_cnt: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt1r/transect_lseg_cnt coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_lon: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt1r/transect_lon coordinates: gt1r_transect_time |
| gt1r_inland_water_body_region: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt1r/inland_water_body_region coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_lat: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt1r/transect_mean_lat coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_length: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt1r/transect_length coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_atl13_gran_ndx: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt1r/atl13_gran_ndx coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_start_sseg_idx: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt1r/transect_start_sseg_idx coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_end_lon: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt1r/transect_end_lon coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_start_lon: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt1r/transect_start_lon coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt1r/transect_mean_subsurf_atten coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_lon: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt1r/transect_mean_lon coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_ht_ortho: | Array of 32 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt1r/transect_mean_ht_ortho coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_mean_time_utc: | Array of Strings [gt1r_transect_time = 0..2821] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt1r/transect_mean_time_utc coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_end_sseg_idx: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt1r/transect_end_sseg_idx coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_end_time: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt1r/transect_end_time coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_sseg_cnt: | Array of 32 bit Integers [gt1r_transect_time = 0..2821] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt1r/transect_sseg_cnt coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt1r_transect_start_time: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt1r/transect_start_time coordinates: gt1r_transect_time gt1r_transect_lat gt1r_transect_lon |
| gt2r_transect_start_lat: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt2r/transect_start_lat coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_time: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt2r/transect_mean_time coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_id: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt2r/transect_id coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt2r/transect_mean_ht_WGS84 coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_inland_water_body_type: | Array of 16 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt2r/inland_water_body_type coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_inland_water_body_id: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt2r/inland_water_body_id coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_lseg2_cnt: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt2r/transect_lseg2_cnt coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_lat: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt2r/transect_lat coordinates: gt2r_transect_time |
| gt2r_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt2r/transect_mean_stdev_water_surf coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_end_lat: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt2r/transect_end_lat coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_lseg_cnt: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt2r/transect_lseg_cnt coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_lon: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt2r/transect_lon coordinates: gt2r_transect_time |
| gt2r_inland_water_body_region: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt2r/inland_water_body_region coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_lat: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt2r/transect_mean_lat coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_length: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt2r/transect_length coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_atl13_gran_ndx: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt2r/atl13_gran_ndx coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_start_sseg_idx: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt2r/transect_start_sseg_idx coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_end_lon: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt2r/transect_end_lon coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_start_lon: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt2r/transect_start_lon coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt2r/transect_mean_subsurf_atten coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_lon: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt2r/transect_mean_lon coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_ht_ortho: | Array of 32 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt2r/transect_mean_ht_ortho coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_mean_time_utc: | Array of Strings [gt2r_transect_time = 0..3040] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt2r/transect_mean_time_utc coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_end_sseg_idx: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt2r/transect_end_sseg_idx coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_end_time: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt2r/transect_end_time coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_sseg_cnt: | Array of 32 bit Integers [gt2r_transect_time = 0..3040] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt2r/transect_sseg_cnt coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt2r_transect_start_time: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt2r/transect_start_time coordinates: gt2r_transect_time gt2r_transect_lat gt2r_transect_lon |
| gt1l_transect_start_lat: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt1l/transect_start_lat coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_time: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt1l/transect_mean_time coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_id: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt1l/transect_id coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt1l/transect_mean_ht_WGS84 coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_inland_water_body_type: | Array of 16 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt1l/inland_water_body_type coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_inland_water_body_id: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt1l/inland_water_body_id coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_lseg2_cnt: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt1l/transect_lseg2_cnt coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_lat: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt1l/transect_lat coordinates: gt1l_transect_time |
| gt1l_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt1l/transect_mean_stdev_water_surf coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_end_lat: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt1l/transect_end_lat coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_lseg_cnt: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt1l/transect_lseg_cnt coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_lon: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt1l/transect_lon coordinates: gt1l_transect_time |
| gt1l_inland_water_body_region: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt1l/inland_water_body_region coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_lat: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt1l/transect_mean_lat coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_length: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt1l/transect_length coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_atl13_gran_ndx: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt1l/atl13_gran_ndx coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_start_sseg_idx: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt1l/transect_start_sseg_idx coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_end_lon: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt1l/transect_end_lon coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_start_lon: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt1l/transect_start_lon coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt1l/transect_mean_subsurf_atten coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_lon: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt1l/transect_mean_lon coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_ht_ortho: | Array of 32 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt1l/transect_mean_ht_ortho coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_mean_time_utc: | Array of Strings [gt1l_transect_time = 0..2414] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt1l/transect_mean_time_utc coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_end_sseg_idx: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt1l/transect_end_sseg_idx coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_end_time: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt1l/transect_end_time coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_sseg_cnt: | Array of 32 bit Integers [gt1l_transect_time = 0..2414] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt1l/transect_sseg_cnt coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| gt1l_transect_start_time: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt1l/transect_start_time coordinates: gt1l_transect_time gt1l_transect_lat gt1l_transect_lon |
| quality_assessment_qa_granule_fail_reason: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: qualityInformation description: Flag indicating granule failure reason. 0=no failure; 1=processing failure; 2=insufficient data; 3=TBD3; 4=TBD4; 5=TBD5 flag_meanings: no_failure processing_failure insufficient_data TBD3 TBD4 TBD5 flag_values: 0, 1, 2, 3, 4, 5 long_name: Granule Failure Reason source: Operations units: 1 valid_max: 5 valid_min: 0 origname: qa_granule_fail_reason fullnamepath: /quality_assessment/qa_granule_fail_reason |
| quality_assessment_qa_granule_pass_fail: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: qualityInformation description: Flag indicating granule quality. 0=granule passes automatic QA. 1=granule fails automatic QA. flag_meanings: PASS FAIL flag_values: 0, 1 long_name: Granule Pass Flag source: Operations units: 1 valid_max: 1 valid_min: 0 origname: qa_granule_pass_fail fullnamepath: /quality_assessment/qa_granule_pass_fail |
| gt3l_transect_start_lat: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt3l/transect_start_lat coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_time: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt3l/transect_mean_time coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_id: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt3l/transect_id coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt3l/transect_mean_ht_WGS84 coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_inland_water_body_type: | Array of 16 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt3l/inland_water_body_type coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_inland_water_body_id: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt3l/inland_water_body_id coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_lseg2_cnt: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt3l/transect_lseg2_cnt coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_lat: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt3l/transect_lat coordinates: gt3l_transect_time |
| gt3l_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt3l/transect_mean_stdev_water_surf coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_end_lat: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt3l/transect_end_lat coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_lseg_cnt: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt3l/transect_lseg_cnt coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_lon: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt3l/transect_lon coordinates: gt3l_transect_time |
| gt3l_inland_water_body_region: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt3l/inland_water_body_region coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_lat: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt3l/transect_mean_lat coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_length: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt3l/transect_length coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_atl13_gran_ndx: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt3l/atl13_gran_ndx coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_start_sseg_idx: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt3l/transect_start_sseg_idx coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_end_lon: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt3l/transect_end_lon coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_start_lon: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt3l/transect_start_lon coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt3l/transect_mean_subsurf_atten coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_lon: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt3l/transect_mean_lon coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_ht_ortho: | Array of 32 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt3l/transect_mean_ht_ortho coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_mean_time_utc: | Array of Strings [gt3l_transect_time = 0..2614] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt3l/transect_mean_time_utc coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_end_sseg_idx: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt3l/transect_end_sseg_idx coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_end_time: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt3l/transect_end_time coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_sseg_cnt: | Array of 32 bit Integers [gt3l_transect_time = 0..2614] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt3l/transect_sseg_cnt coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt3l_transect_start_time: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt3l/transect_start_time coordinates: gt3l_transect_time gt3l_transect_lat gt3l_transect_lon |
| gt2l_transect_start_lat: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt2l/transect_start_lat coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_time: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt2l/transect_mean_time coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_id: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt2l/transect_id coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt2l/transect_mean_ht_WGS84 coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_inland_water_body_type: | Array of 16 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt2l/inland_water_body_type coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_inland_water_body_id: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt2l/inland_water_body_id coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_lseg2_cnt: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt2l/transect_lseg2_cnt coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_lat: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt2l/transect_lat coordinates: gt2l_transect_time |
| gt2l_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt2l/transect_mean_stdev_water_surf coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_end_lat: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt2l/transect_end_lat coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_lseg_cnt: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt2l/transect_lseg_cnt coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_lon: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt2l/transect_lon coordinates: gt2l_transect_time |
| gt2l_inland_water_body_region: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt2l/inland_water_body_region coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_lat: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt2l/transect_mean_lat coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_length: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt2l/transect_length coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_atl13_gran_ndx: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt2l/atl13_gran_ndx coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_start_sseg_idx: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt2l/transect_start_sseg_idx coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_end_lon: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt2l/transect_end_lon coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_start_lon: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt2l/transect_start_lon coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt2l/transect_mean_subsurf_atten coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_lon: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt2l/transect_mean_lon coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_ht_ortho: | Array of 32 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt2l/transect_mean_ht_ortho coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_mean_time_utc: | Array of Strings [gt2l_transect_time = 0..2715] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt2l/transect_mean_time_utc coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_end_sseg_idx: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt2l/transect_end_sseg_idx coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_end_time: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt2l/transect_end_time coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_sseg_cnt: | Array of 32 bit Integers [gt2l_transect_time = 0..2715] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt2l/transect_sseg_cnt coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| gt2l_transect_start_time: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt2l/transect_start_time coordinates: gt2l_transect_time gt2l_transect_lat gt2l_transect_lon |
| ancillary_data_release: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Release Number source: Operations units: 1 origname: release fullnamepath: /ancillary_data/release |
| ancillary_data_end_geoseg: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation source: Derived 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. long_name: Ending Geolocation Segment units: 1 origname: end_geoseg fullnamepath: /ancillary_data/end_geoseg |
| ancillary_data_version: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Version source: Operations units: 1 origname: version fullnamepath: /ancillary_data/version |
| ancillary_data_end_region: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Ending Region source: Derived units: 1 origname: end_region fullnamepath: /ancillary_data/end_region |
| ancillary_data_atlas_sdp_gps_epoch: | Array of 64 bit Reals [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: ATLAS Epoch Offset source: Operations units: seconds since 1980-01-06T00:00:00.000000Z origname: atlas_sdp_gps_epoch fullnamepath: /ancillary_data/atlas_sdp_gps_epoch |
| ancillary_data_end_rgt: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Ending Reference Groundtrack source: Derived units: 1 valid_max: 1387 valid_min: 1 origname: end_rgt fullnamepath: /ancillary_data/end_rgt |
| ancillary_data_end_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] contentType: auxiliaryInformation source: Derived 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. long_name: ATLAS End Time (Actual) standard_name: time units: seconds since 2018-01-01 origname: end_delta_time fullnamepath: /ancillary_data/end_delta_time |
| ancillary_data_end_orbit: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Ending Orbit Number source: Derived units: 1 origname: end_orbit fullnamepath: /ancillary_data/end_orbit |
| ancillary_data_start_cycle: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Starting Cycle source: Derived units: 1 valid_max: 99 valid_min: 0 origname: start_cycle fullnamepath: /ancillary_data/start_cycle |
| ancillary_data_data_end_utc: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation description: UTC (in CCSDS-A format) of the last data point within the granule. long_name: End UTC Time of Granule (CCSDS-A, Actual) source: Derived units: 1 origname: data_end_utc fullnamepath: /ancillary_data/data_end_utc |
| ancillary_data_control: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation description: PGE-specific control file used to generate this granule. To re-use, replace breaks (BR) with linefeeds. long_name: Control File source: Operations units: 1 origname: control fullnamepath: /ancillary_data/control |
| ancillary_data_start_gpssow: | Array of 64 bit Reals [FakeDim0 = 0..0] contentType: auxiliaryInformation description: GPS seconds-of-week of the first data point in the granule. long_name: Start GPS SOW of Granule (Actual) source: Derived units: seconds origname: start_gpssow fullnamepath: /ancillary_data/start_gpssow |
| ancillary_data_granule_end_utc: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation description: Requested end time (in UTC CCSDS-A) of this granule. long_name: End UTC Time of Granule (CCSDS-A, Requested) source: Derived units: 1 origname: granule_end_utc fullnamepath: /ancillary_data/granule_end_utc |
| ancillary_data_end_cycle: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation long_name: Ending Cycle 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. source: Derived units: 1 valid_max: 99 valid_min: 0 origname: end_cycle fullnamepath: /ancillary_data/end_cycle |
| ancillary_data_granule_start_utc: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation description: Requested start time (in UTC CCSDS-A) of this granule. long_name: Start UTC Time of Granule (CCSDS-A, Requested) source: Derived units: 1 origname: granule_start_utc fullnamepath: /ancillary_data/granule_start_utc |
| ancillary_data_start_delta_time: | Array of 64 bit Reals [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: ATLAS Start Time (Actual) source: Derived standard_name: time units: seconds since 2018-01-01 origname: start_delta_time fullnamepath: /ancillary_data/start_delta_time |
| ancillary_data_start_geoseg: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Starting Geolocation Segment source: Derived units: 1 origname: start_geoseg fullnamepath: /ancillary_data/start_geoseg |
| ancillary_data_inland_water_sig_threshold: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation description: Minimum signal confidence required for photon to be included in analysis long_name: Signal Confidence Threshold source: ATBD Table 5-2 units: 1 origname: sig_threshold fullnamepath: /ancillary_data/inland_water/sig_threshold |
| ancillary_data_start_orbit: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Starting Orbit Number source: Derived units: 1 origname: start_orbit fullnamepath: /ancillary_data/start_orbit |
| ancillary_data_data_start_utc: | Array of Strings [FakeDim0 = 0..0] contentType: auxiliaryInformation source: Derived description: UTC (in CCSDS-A format) of the first data point within the granule. long_name: Start UTC Time of Granule (CCSDS-A, Actual) units: 1 origname: data_start_utc fullnamepath: /ancillary_data/data_start_utc |
| ancillary_data_end_gpsweek: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation description: GPS week number of the last data point in the granule. long_name: Ending GPSWeek of Granule (Actual) source: Derived units: weeks from 1980-01-06 origname: end_gpsweek fullnamepath: /ancillary_data/end_gpsweek |
| ancillary_data_start_rgt: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Starting Reference Groundtrack source: Derived units: 1 valid_max: 1387 valid_min: 1 origname: start_rgt fullnamepath: /ancillary_data/start_rgt |
| ancillary_data_end_gpssow: | Array of 64 bit Reals [FakeDim0 = 0..0] contentType: auxiliaryInformation source: Derived description: GPS seconds-of-week of the last data point in the granule. long_name: Ending GPS SOW of Granule (Actual) units: seconds origname: end_gpssow fullnamepath: /ancillary_data/end_gpssow |
| ancillary_data_start_region: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation 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. long_name: Starting Region source: Derived units: 1 origname: start_region fullnamepath: /ancillary_data/start_region |
| ancillary_data_start_gpsweek: | Array of 32 bit Integers [FakeDim0 = 0..0] contentType: auxiliaryInformation description: GPS week number of the first data point in the granule. long_name: Start GPSWeek of Granule (Actual) source: Derived units: weeks from 1980-01-06 origname: start_gpsweek fullnamepath: /ancillary_data/start_gpsweek |
| gt3r_transect_start_lat: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation description: Latitude of the transect start, determined by the latitude of the first photon in the first short segment in the transect. long_name: Start Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_start_lat fullnamepath: /gt3r/transect_start_lat coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_time: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean time of the transect, calculated as mean of all reported sseg times in the transect. long_name: Mean Time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_mean_time fullnamepath: /gt3r/transect_mean_time coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_id: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Transect within a water body to which the short segment rate output belongs. long_name: Transect ID source: Section 5.4 units: 1 origname: transect_id fullnamepath: /gt3r/transect_id coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_ht_WGS84: | Array of 32 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean geodetic height of the transect with respect to the WGS84 ellipsoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean height source: Section 5.4 units: meters origname: transect_mean_ht_WGS84 fullnamepath: /gt3r/transect_mean_ht_WGS84 coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_inland_water_body_type: | Array of 16 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 127 contentType: referenceInformation description: Type of Inland Water Body, where 1=Lake, 2=Known Reservoir, 3=(Reserved for future use), 4=Ephemeral Water, 5=River, 6=Estuary or Bay, 7=Coastal Water, 8=Reserved, 9=Reserved flag_meanings: Lake Known_Reservoir Reserved_for_future_use Ephemeral_Water River Estuary_or_Bay Coastal_Water Reserved Reserved flag_values: 1, 2, 3, 4, 5, 6, 7, 8, 9 long_name: Body type source: Section 5.4 units: 1 valid_max: 9 valid_min: 1 origname: inland_water_body_type fullnamepath: /gt3r/inland_water_body_type coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_inland_water_body_id: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Identifying signature of an individual inland water body. Each body of water is represented by a unique numeric value. long_name: Body ID source: Section 5.4 units: 1 origname: inland_water_body_id fullnamepath: /gt3r/inland_water_body_id coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_lseg2_cnt: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete very long segments in the transect. long_name: Very long segment count source: Section 5.4 units: 1 origname: transect_lseg2_cnt fullnamepath: /gt3r/transect_lseg2_cnt coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_lat: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: modelResult description: Reporting latitude of transect statistics. long_name: Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_lat fullnamepath: /gt3r/transect_lat coordinates: gt3r_transect_time |
| gt3r_transect_mean_stdev_water_surf: | Array of 32 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean standard deviation of the transect water surface. (Deferred; populated with invalid values in rel001) long_name: Surface StDev source: Section 5.4 units: meters origname: transect_mean_stdev_water_surf fullnamepath: /gt3r/transect_mean_stdev_water_surf coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_end_lat: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation description: Latitude of the transect end, determined by the latitude of the last photon in the last short segment in the transect. long_name: End Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_end_lat fullnamepath: /gt3r/transect_end_lat coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_lseg_cnt: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Number of complete long segments in the transect. long_name: Long segment count source: Section 5.4 units: 1 origname: transect_lseg_cnt fullnamepath: /gt3r/transect_lseg_cnt coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_lon: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: modelResult description: Reporting longitude of transect statistics. long_name: Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_lon fullnamepath: /gt3r/transect_lon coordinates: gt3r_transect_time |
| gt3r_inland_water_body_region: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: ATL13-created shapefile representing relevant bodies of water over which to implement the ATL13 water surface finding algorithm only within a region of processing interest. long_name: Body region source: Section 5.4 units: 1 origname: inland_water_body_region fullnamepath: /gt3r/inland_water_body_region coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_lat: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Mean latitude of the transect, calculated as mean of all reported sseg latitudes in the transect. long_name: Mean Latitude source: Section 5.4 standard_name: latitude units: degrees_north valid_max: 90.000000000000000 valid_min: -90.000000000000000 origname: transect_mean_lat fullnamepath: /gt3r/transect_mean_lat coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_length: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Length of the transect, determined as the distance from the first observed reference photon in the water body to the final observed photon in the body. long_name: Transect length source: Section 5.4 units: meters origname: transect_length fullnamepath: /gt3r/transect_length coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_atl13_gran_ndx: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: ATL13 granule index, indicating from which ATL13 granule in /METADATA/Lineage/ATL13/fileName an ATL22 transect product was derived. long_name: Granule Index source: Section 5.4 units: 1 origname: atl13_gran_ndx fullnamepath: /gt3r/atl13_gran_ndx coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_start_sseg_idx: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Index of first entry in ATL13 short segment rate output data contributing to transect summary long_name: Index of first entry source: Section 5.4 units: 1 origname: transect_start_sseg_idx fullnamepath: /gt3r/transect_start_sseg_idx coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_end_lon: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation description: Longitude of the transect end, determined by the longitude of the last photon in the last short segment in the transect. long_name: End Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_end_lon fullnamepath: /gt3r/transect_end_lon coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_start_lon: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation description: Longitude of the transect start, determined by the longitude of the first photon in the first short segment in the transect. long_name: Start Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_start_lon fullnamepath: /gt3r/transect_start_lon coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_subsurf_atten: | Array of 32 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 3.402823466e+38 contentType: referenceInformation description: Mean subsurface attenuation (alpha) of the transect, determined as the mean of all reported alphas along the transect. long_name: Subsurface Attenuation source: Section 5.4 units: m^-1 origname: transect_mean_subsurf_atten fullnamepath: /gt3r/transect_mean_subsurf_atten coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_lon: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation description: Mean longitude of the transect, calculated as mean of all reported sseg longitudes in the transect. long_name: Mean Longitude source: Section 5.4 standard_name: longitude units: degrees_east valid_max: 180.00000000000000 valid_min: -180.00000000000000 origname: transect_mean_lon fullnamepath: /gt3r/transect_mean_lon coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_ht_ortho: | Array of 32 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 3.402823466e+38 contentType: physicalMeasurement description: Mean orthometric height of the transect with respect to the EGM2008 geoid, determined as the mean of all reported short segment height values in the transect. long_name: Transect mean orthometric height source: Section 5.4 units: meters origname: transect_mean_ht_ortho fullnamepath: /gt3r/transect_mean_ht_ortho coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_mean_time_utc: | Array of Strings [gt3r_transect_time = 0..2978] contentType: auxiliaryInformation description: Mean time of the transect in UTC format YYYY-MM-DDTHH:MM:SS.SSSSSSZ. long_name: Mean UTC Time (CCSDS-A) source: Derived standard_name: time units: 1 origname: transect_mean_time_utc fullnamepath: /gt3r/transect_mean_time_utc coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_end_sseg_idx: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Index of final entry in ATL13 short segment rate output data contributing to transect summary. long_name: Index of final entry source: Section 5.4 units: 1 origname: transect_end_sseg_idx fullnamepath: /gt3r/transect_end_sseg_idx coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_end_time: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] description: Time of the transect end, determined by the time of the last photon in the last short segment in the transect. long_name: Transect end time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 _FillValue: 1.7976931348623157e+308 contentType: referenceInformation origname: transect_end_time fullnamepath: /gt3r/transect_end_time coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_sseg_cnt: | Array of 32 bit Integers [gt3r_transect_time = 0..2978] _FillValue: 2147483647 contentType: referenceInformation description: Number of non-anomalous short segments in the transect. long_name: Short segment count source: Section 5.4 units: 1 origname: transect_sseg_cnt fullnamepath: /gt3r/transect_sseg_cnt coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt3r_transect_start_time: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] _FillValue: 1.7976931348623157e+308 contentType: referenceInformation description: Time of the transect start, determined by the time of the first photon in the first short segment in the transect. long_name: Transect start time source: Section 5.4 standard_name: time units: seconds since 2018-01-01 origname: transect_start_time fullnamepath: /gt3r/transect_start_time coordinates: gt3r_transect_time gt3r_transect_lat gt3r_transect_lon |
| gt1l_transect_time: | Array of 64 bit Reals [gt1l_transect_time = 0..2414] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt1l/transect_time |
| gt1r_transect_time: | Array of 64 bit Reals [gt1r_transect_time = 0..2821] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt1r/transect_time |
| gt2l_transect_time: | Array of 64 bit Reals [gt2l_transect_time = 0..2715] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt2l/transect_time |
| gt2r_transect_time: | Array of 64 bit Reals [gt2r_transect_time = 0..3040] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt2r/transect_time |
| gt3l_transect_time: | Array of 64 bit Reals [gt3l_transect_time = 0..2614] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt3l/transect_time |
| gt3r_transect_time: | Array of 64 bit Reals [gt3r_transect_time = 0..2978] contentType: referenceInformation coordinates: transect_lat transect_lon description: Reporting time of transect statistics. long_name: Delta Time source: Derived standard_name: time units: seconds since 2018-01-01 origname: transect_time fullnamepath: /gt3r/transect_time |
| orbit_info_crossing_time: | Array of 64 bit Reals [orbit_info_crossing_time = 0..15] contentType: referenceInformation 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. long_name: Ascending Node Crossing Time source: POD/PPD standard_name: time units: seconds since 2018-01-01 origname: crossing_time fullnamepath: /orbit_info/crossing_time |
| orbit_info_sc_orient_time: | Array of 64 bit Reals [orbit_info_sc_orient_time = 0..0] contentType: referenceInformation 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. long_name: Time of Last Spacecraft Orientation Change source: POD/PPD standard_name: time units: seconds since 2018-01-01 origname: sc_orient_time fullnamepath: /orbit_info/sc_orient_time |
| FakeDim0: | Array of 32 bit Integers [FakeDim0 = 0..0] units: level |