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NSIDC Scientific Expeditions
Scientists blog from Antarctica and provide a glimpse of what it's like to do research in the field. 
What's hot in the news around climate and sea ice and what are scientists talking about now? 
The AMSR-E/AMSR2 Unified L2B Global Swath Ocean Products, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)…. Read more »
Data Announcements
New versions available: Multiple ICESat-2 data set version updates now available at the NSIDC DAAC
New versions of multiple Level-3A and Level-3B data sets from the Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) mission are available at the NASA National Snow and Ice Data Center… Read more »
Data set update: ATLAS/ICESat-2 L3B Annual Land Ice Height, Version 4 (ATL11)
The ATLAS/ICESat-2 L3B Annual Land Ice Height, Version 4 (ATL11) data set from the Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) mission has been updated to Version 4. This data… Read more »
Change in WMO SIGRID Ice Codes for NIC Sea Ice Concentration Data Set
NOAA@NSIDC would like to make you aware of a change to the data used to produce the U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in… Read more »
New data set release: ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography, Version 1 (ATL19)
The ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography, Version 1 (ATL19) data set from the Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2) mission is now available at the NASA National… Read more »
New data products released: New versions of SMAP Level-4 data products now available at NSIDC
The SMAP Project performs annual reprocessing of all its science data products based on improvements in the algorithms and supporting information. As part of this routine reprocessing, the SMAP Science… Read more »
New versions available: ICESat-2 Version 5 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 5 at the NASA National Snow and Ice… Read more »
Data set update: AMSR-E/Aqua L2B Global Swath Surface Precipitation GSFC Profiling Algorithm, Version 4
The AMSR-E/Aqua L2B Global Swath Surface Precipitation GSFC Profiling Algorithm, Version 4 data set accessible from the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)… Read more »
Sea Ice Concentration CDR Version 4 Updated through 31 May 2021
NOAA@NSIDC is pleased to announce that the Climate Data Record of Passive Microwave Sea Ice Concentration, Version 4 data set has been updated to include the time period of 01… Read more »
New data set: MEaSUREs Greenland 6 and 12 day Ice Sheet Velocity Mosaics from SAR, Version 1
The MEaSUREs Greenland 6 and 12 day Ice Sheet Velocity Mosaics from SAR, Version 1 data set is now available from the NASA National Snow and Ice Data Center Distributed… Read more »
