| GDAL_AREA_OR_POINT: | Area |
| Conventions: | CF-1.6 |
| short_name: | ATL14 |
| level: | L3B |
| title: | SET_BY_META |
| description: | This data set (ATL14) contains seasonal gridded land ice elevation. |
| contributor_name: | Benjamin Smith (besmith@uw.edu), Tyler Sutterley (tsutterl@uw.edu), Suzanne Dickinson (sdickins@uw.edu), Benjamin Jelley (benjamin.p.jelley@nasa.gov), Denis Felikson (denis.felikson@nasa.gov), Thomas A Neumann (thomas.neumann@nasa.gov), Helen Fricker (hafricker@ucsd.edu), Alex Gardner (alex.s.gardner@jpl.nasa.gov), Laurence Padman (padman@esr.org), Thorsten Markus (thorsten.markus@nasa.gov), Nathan Kurtz (nathan.t.kurtz@nasa.gov), Suneel Bhardwaj (suneel.bhardwaj@nasa.gov), David W Hancock III (david.w.hancock@nasa.gov), Jeffrey Lee (jeffrey.e.lee@nasa.gov) |
| contributor_role: | Investigator, Investigator, Algorithm Developer, Algorithm Developer, Investigator, Investigator, Investigator, Investigator, Investigator, Investigator, Investigator, Investigator, Investigator, Algorithm Developer |
| date_type: | UTC |
| geospatial_lat_max: | -60.88151633146890 |
| geospatial_lat_min: | -78.13589365082520 |
| geospatial_lat_units: | degrees_north |
| geospatial_lon_max: | 171.7589788231710 |
| geospatial_lon_min: | -176.1439279139080 |
| geospatial_lon_units: | degrees_east |
| granule_type: | ATL14 |
| identifier_product_doi_authority: | http://dx.doi.org |
| 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 |
| reference_frame: | ITRF2014 |
| shortName: | ATL14_META |
| spatial_coverage_type: | Horizontal |
| standard_name_vocabulary: | CF-1.6 |
| time_type: | CCSDS UTC-A |
| vertical_datum: | WGS84 |
| date_created: | 2022-10-13T16:19:08.949134Z |
| fileName: | ATL14_AA_0314_100m_002_02.nc |
| history: | 2022-10-13T16:19:08.949134Z |
| identifier_product_format_version: | 2.0 |
| time_coverage_duration: | 94150869.62631059 |
| time_coverage_end: | 2022-03-23T03:19:26.843657Z |
| time_coverage_start: | 2019-03-29T10:18:17.217346Z |
| netcdfversion: | 4.8.1 |
| identifier_file_uuid: | 1a63d97e-cd0e-4d8e-896a-92a6549316b8 |
| publisher_name: | NSIDC DAAC > NASA National Snow and Ice Data Center Distributed Active Archive Center |
| publisher_email: | nsidc@nsidc.org |
| publisher_url: | http://nsidc.org/daac/ |
| identifier_product_type: | ATL14 |
| identifier_product_doi: | doi:10.5067/ATLAS/ATL14.002 |
| institution: | National Aeronautics and Space Administration (NASA) |
| creator_name: | GSFC I-SIPS > ICESat-2 Science Investigator-led Processing System |
| summary: | The purpose of ATL14 is to provide an IceSat-2 gridded satellite summary of heights of land-based ice. |
| keywords: | EARTH SCIENCE > CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER ELEVATION/ICE SHEET ELEVATION > NONE > NONE > NONE |
| 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 |
| Polar_Stereographic: | 16 bit Integer standard_name: Polar_Stereographic grid_mapping_name: polar_stereographic straight_vertical_longitude_from_pole: 0.000000000000000 latitude_of_projection_origin: -90.00000000000000 standard_parallel: -71.00000000000000 scale_factor_at_projection_origin: 1.000000000000000 false_easting: 0.000000000000000 false_northing: 0.000000000000000 semi_major_axis: 6378.137000000000 semi_minor_axis: 6356.752000000000 inverse_flattening: 298.2572235630000 spatial_epsg: 3031 spatial_ref: PROJCS["WGS 84 / Antarctic Polar Stereographic",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",-71],PARAMETER["central_meridian",0],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3031"]] crs_wkt: PROJCS["WGS 84 / Antarctic Polar Stereographic",GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]],PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",-71],PARAMETER["central_meridian",0],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","3031"]] GeoTransform: -2670000.000000000, 100.0000000000000, 0.000000000000000, 2270000.000000000, 0.000000000000000, -100.0000000000000 |
||||||
| x: | Array of 64 bit Reals [x = 0..54600] _FillValue: 1.797693134862316e+308 units: meters dimensions: x datatype: float64 coordinates: x least_significant_digit: None description: x coordinate of the DEM cell centers, in projected coordinates long_name: Polar stereographic x source: 3.2 standard_name: projection_x_coordinate |
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| y: | Array of 64 bit Reals [y = 0..44600] _FillValue: 1.797693134862316e+308 units: meters dimensions: y datatype: float64 coordinates: y least_significant_digit: None description: y coordinate of the DEM cell centers, in projected coordinates long_name: Polar stereographic y source: 3.2 standard_name: projection_y_coordinate |
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| ice_area: | Grid _FillValue: 3.40282347e+38 units: meters^2 dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: None description: Ice-covered area of each grid cell, accounting for the area distortion in the polar-stereographic projections long_name: DEM grid ice-covered area source: 3.4 grid_mapping: Polar_Stereographic
| ||||||
| h: | Grid _FillValue: 3.40282347e+38 units: meters dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: 4 description: DEM surface height, referenced to WGS84 long_name: DEM height source: 3.2 grid_mapping: Polar_Stereographic
| ||||||
| h_sigma: | Grid _FillValue: 3.40282347e+38 units: meters dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: 4 description: Uncertainty in the DEM surface height long_name: DEM uncertainty source: 4.1 grid_mapping: Polar_Stereographic
| ||||||
| data_count: | Grid _FillValue: 3.40282347e+38 units: counts dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: None description: Weighted number of data contributing to each node in the DEM. long_name: DEM data count source: 5.2.4.4 grid_mapping: Polar_Stereographic
| ||||||
| misfit_rms: | Grid _FillValue: 3.40282347e+38 units: meters dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: None description: Root-mean_square of the residuals associated with each DEM node long_name: DEM per-node data residual source: 5.2.4.4 grid_mapping: Polar_Stereographic
| ||||||
| misfit_scaled_rms: | Grid _FillValue: 3.40282347e+38 units: counts dimensions: y, x datatype: float32 coordinates: y x least_significant_digit: None description: Root-mean_square of the error-scaled residuals associated with each DEM node long_name: DEM per-node scaled data uncertainty source: 5.2.4.4 grid_mapping: Polar_Stereographic
|