The ATLAS/ICESat-2 L3B Daily and Monthly Gridded Sea Ice Freeboard (ATL20), Version 3 and the ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly (ATL21), Versions 2 data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have updated files for October 2021. Revision 1 files have been replaced with revision 2. Revision numbers are indicated in the file names just before the file extension (e.g. ATL20-01_20211001003534_01311301_003_01.h5 has been replaced with ATL20-01_20211001003534_01311301_003_02.h5). If you previously downloaded data for October 2021, please ensure that you have the most recent revision.
- ATLAS/ICESat-2 L3B Daily and Monthly Gridded Sea Ice Freeboard, Version 3
doi: 10.5067/ATLAS/ATL20.003
- ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly, Version 2
doi: 10.5067/ATLAS/ATL21.002