Attributes {
    /gt1r/sea_ice_segments/height_segment_id {
        String contentType "referenceInformation";
        String coordinates "delta_time latitude longitude";
        String description "Identifier of each height segment";
        String long_name "Identifier of each height segment";
        String source "ATBD, section 5.2";
        String units "1";
    }
    /gt1r/sea_ice_segments/delta_time {
        String contentType "physicalMeasurement";
        String coordinates "latitude longitude";
        String description "Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed.";
        String long_name "Elapsed GPS seconds";
        String source "telemetry";
        String standard_name "time";
        String units "seconds since 2018-01-01";
    }
    /gt2r/sea_ice_segments/seg_dist_x {
        String contentType "referenceInformation";
        String coordinates "delta_time latitude longitude";
        String description "Along-track distance from the equator crossing to the segment center.";
        String long_name "Along track distance";
        String source "Sea Ice ATBD";
        String units "meters";
    }
    /gt2r/sea_ice_segments/delta_time {
        String contentType "physicalMeasurement";
        String coordinates "latitude longitude";
        String description "Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed.";
        String long_name "Elapsed GPS seconds";
        String source "telemetry";
        String standard_name "time";
        String units "seconds since 2018-01-01";
    }
    /gt3l/sea_ice_segments/geophysical/height_segment_t2m {
        Float32 _FillValue 3.402823466e+38;
        String contentType "referenceInformation";
        String coordinates "../delta_time ../latitude ../longitude";
        String description "Temperature at 2m above the displacement height (K)";
        String long_name "temperature_at_2m";
        String source "ATL09";
        String standard_name "temperature";
        String units "K";
    }
    /gt3l/sea_ice_segments/geophysical/height_segment_ocean {
        Float32 _FillValue 3.402823466e+38;
        String contentType "referenceInformation";
        String coordinates "../delta_time ../latitude ../longitude";
        String description "Ocean Tides including diurnal and semi-diurnal (harmonic analysis), and longer period tides (dynamic and self-consistent equilibrium)";
        String long_name "Ocean Tide";
        String source "Sea Ice ATBD";
        String units "meters";
    }
    /gt3l/sea_ice_segments/geophysical/delta_time {
        String contentType "physicalMeasurement";
        String coordinates "latitude longitude";
        String description "Number of GPS seconds since the ATLAS SDP epoch. The ATLAS Standard Data Products (SDP) epoch offset is defined within /ancillary_data/atlas_sdp_gps_epoch as the number of GPS seconds between the GPS epoch (1980-01-06T00:00:00.000000Z UTC) and the ATLAS SDP epoch. By adding the offset contained within atlas_sdp_gps_epoch to delta time parameters, the time in gps_seconds relative to the GPS epoch can be computed.";
        String long_name "Elapsed GPS seconds";
        String source "telemetry";
        String standard_name "time";
        String units "seconds since 2018-01-01";
    }
    gt1r {
        String Description "This ground contains parameters and subgroups related a specific groundtrack.";
        String data_rate "Each subgroup identifies its particular data rate.";
        String atlas_pce "pce3";
        String atlas_beam_type "strong";
        String groundtrack_id "gt1r";
        String atmosphere_profile "profile_1";
        String atlas_spot_number "5";
        String sc_orientation "Forward";
        sea_ice_segments {
        }
    }
    gt2r {
        String Description "This ground contains parameters and subgroups related a specific groundtrack.";
        String data_rate "Each subgroup identifies its particular data rate.";
        String atlas_pce "pce2";
        String atlas_beam_type "strong";
        String groundtrack_id "gt2r";
        String atmosphere_profile "profile_2";
        String atlas_spot_number "3";
        String sc_orientation "Forward";
        sea_ice_segments {
        }
    }
    gt3l {
        String Description "This ground contains parameters and subgroups related a specific groundtrack.";
        String data_rate "Each subgroup identifies its particular data rate.";
        String atlas_pce "pce1";
        String atlas_beam_type "weak";
        String groundtrack_id "gt3l";
        String atmosphere_profile "profile_3";
        String atlas_spot_number "2";
        String sc_orientation "Forward";
        sea_ice_segments {
            geophysical {
            }
        }
    }
    DAP4_GLOBAL {
        String Conventions "CF-1.6";
        String contributor_name "Thomas E Neumann (thomas.neumann@nasa.gov), Thorsten Markus (thorsten.markus@nasa.gov), Suneel Bhardwaj (suneel.bhardwaj@nasa.gov) David W Hancock III (david.w.hancock@nasa.gov)";
        String contributor_role "Instrument Engineer, Investigator, Principle Investigator, Data Producer, Data Producer";
        String date_type "UTC";
        String description "The data set (ATL07) contains along-track heights for sea ice and open water leads (at varying length scales) relative to the WGS84 ellipsoid (ITRF2014 reference frame) after adjustment for geoidal and tidal variations, and inverted barometer effects. Heig";
        String featureType "trajectory";
        String geospatial_lat_units "degrees_north";
        String geospatial_lon_units "degrees_east";
        String granule_type "ATL07";
        String identifier_product_doi_authority "http://dx.doi.org";
        String level "L3A";
        String license "Data may not be reproduced or distributed without including the citation for this product included in this metadata. Data may not be distributed in an altered form without the written permission of the ICESat-2 Science Project Office at NASA/GSFC.";
        String naming_authority "http://dx.doi.org";
        String short_name "ATL07";
        String spatial_coverage_type "Horizontal";
        String standard_name_vocabulary "CF-1.6";
        String time_type "CCSDS UTC-A";
        String title "SET_BY_META";
        String date_created "2020-05-29T14:35:54.000000Z";
        String hdfversion "HDF5 1.10.3";
        String history "2020-05-29T14:35:54.000000Z;2bed11f8-37e3-3547-bf60-9d7af1919f0d;Created by PGE atlas_l3a_si Version 4.3.2";
        String identifier_file_uuid "2bed11f8-37e3-3547-bf60-9d7af1919f0d";
        String identifier_product_format_version "4.3";
        Float64 time_coverage_duration 5658.;
        String time_coverage_end "2018-10-14T01:38:05.000000Z";
        String time_coverage_start "2018-10-14T00:03:47.000000Z";
        Float64 geospatial_lat_min 68.916474823665695;
        Float64 geospatial_lon_min 63.30432580191718;
        Float64 geospatial_lat_max 88.043374802950964;
        Float64 geospatial_lon_max -136.62047583959989;
        String publisher_name "NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center";
        String publisher_email "nsidc@nsidc.org";
        String publisher_url "http://nsidc.org/daac/";
        String identifier_product_type "ATL07";
        String identifier_product_doi "doi:10.5067/ATLAS/ATL07.003";
        String institution "National Aeronautics and Space Administration (NASA)";
        String creator_name "GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System";
        String summary "The purpose of ATL07 is to provide along-track sea ice heights and associated statistics.";
        String keywords "EARTH SCIENCE > SPECTRAL/ENGINEERING > LIDAR > LIDAR BACKSCATTER > NONE > NONE > NONE";
        String keywords_vocabulary "NASA/GCMD Science Keywords";
        String citation "Cite these data in publications as follows: The data used in this study were produced by the ICESat-2 Science Project Office at NASA/GSFC. The data archive site is the NASA National Snow and Ice Data Center Distributed Active Archive Center.";
        String processing_level "2A";
        String references "http://nsidc.org/data/icesat2/data.html";
        String project "ICESat-2 > Ice, Cloud, and land Elevation Satellite-2";
        String instrument "ATLAS > Advanced Topographic Laser Altimeter System";
        String platform "ICESat-2 > Ice, Cloud, and land Elevation Satellite-2";
        String source "Spacecraft";
    }
}