Data Announcement

New version available: ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography, Version 3

Version 3 of the ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography (ATL19) data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been released.  This data set contains monthly gridded dynamic ocean topography, derived from the along-track ATLAS/ICESat-2 L3A Ocean Surface Height product (ATL12).  Temporal coverage currently spans 14 October 2018 to 01 April 2023 and is updated regularly.  Spatial coverage is global.  Changes with Version 3 are detailed in Section 3 Version History of the user guide.


Version 2 of this data set will be retired from the NSIDC DAAC in six months. Upon retirement, data will no longer be accessible. All related documentation will remain available on the data set web pages for future reference.


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