New versions available: ICESat-2 Version 4 data sets now available at the NSIDC DAAC

Multiple Level-1B, Level-2A, and Level-3A data sets from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) mission have been updated to Version 4 at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).  These data sets provide: telemetry data; geolocated photon data; backscatter profiles; atmospheric layer characteristics; and geolocated surface elevations for land ice, land and vegetation, and ocean surface. The temporal coverage of the data sets now spans from 13 October 2018 through 14 January 2021 (unless otherwise noted), however more data are expected to be added in the coming months that will continue to extend the temporal coverage.

The ICESat-2 version 2 data sets are being retired as the version 4 data sets are released.

ATLAS/ICESat-2 L1B Converted Telemetry Data, Version 4 (ATL02)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL02.004

ATLAS/ICESat-2 L2A Global Geolocated Photon Data, Version 4 (ATL03)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL03.004

ATLAS/ICESat-2 L2A Normalized Relative Backscatter Profiles, Version 4 (ATL04)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL04.004

ATLAS/ICESat-2 L3A Land Ice Height, Version 4 (ATL06)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL06.004

ATLAS/ICESat-2 L3A Sea Ice Height, Version 4 (ATL07)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL07.004

ATLAS/ICESat-2 L3A Land and Vegetation Height, Version 4 (ATL08)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL08.004

ATLAS/ICESat-2 L3A Calibrated Backscatter Profiles and Atmospheric Layer Characteristics, Version 4 (ATL09)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL09.004

ATLAS/ICESat-2 L3A Sea Ice Freeboard, Version 4 (ATL10)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL10.004

ATLAS/ICESat-2 L3A Ocean Surface Height, Version 4 (ATL12)
Data set DOI: https://doi.org/10.5067/ATLAS/ATL12.004

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