ATLAS/ICESat-2 L3B Slope-Corrected Land Ice Height Time Series (ATL11), Version 6, ATLAS/ICESat-2 L3B Daily and Monthly Gridded Sea Ice Freeboard (ATL20), Version 4 and ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly (ATL21), Version 3 will be retired from the NSIDC DAAC on 11 May 2026. Upon retirement, data will no longer be accessible, but all related documentation will remain available on the data set’s web page for future reference. We recommend using the latest version of these data sets, found under the “more recent version” link on the web pages.
ATLAS/ICESat-2 L3B Slope-Corrected Land Ice Height Time Series, Version 6
Data set DOI: http://doi.org/10.5067/ATLAS/ATL11.006
ATLAS/ICESat-2 L3B Daily and Monthly Gridded Sea Ice Freeboard, Version 4
Data set DOI: http://doi.org/10.5067/ATLAS/ATL20.004
ATLAS/ICESat-2 L3B Daily and Monthly Gridded Polar Sea Surface Height Anomaly, Version 3
Data set DOI: http://doi.org/10.5067/ATLAS/ATL21.003