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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 LVIS Facility L1B Geolocated Return Energy Waveforms, Version 1 and LVIS Facility L2 Geolocated Surface Elevation and Canopy Height Product, Version 1 have been updated at the NASA National… Read more »
Data Announcements
Data set update: MEaSUREs Annual Greenland Outlet Glacier Terminus Positions from SAR Mosaics, Version 2
The MEaSUREs Annual Greenland Outlet Glacier Terminus Positions from SAR Mosaics, Version 2 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has… Read more »
Data set update: Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS
The Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS, Version 3 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC… Read more »
User Notice: Multiple ATLAS/ICESat-2 data set versions retiring
Older versions of multiple ATLAS/ICESat-2 data sets will be retired on 13 June 2022. After this date, access to the data will no longer be available, but the data set… Read more »
Application data update: Newest NSIDC DAAC SMAP data set versions available in AppEEARS
The Application for Extracting and Exploring Analysis Ready Samples (AppEEARS) now includes the newest versions of select Soil Moisture Active Passive (SMAP) data sets from the NASA National Snow and… Read more »
Data set update: CryoSat-2 Level-4 Sea Ice Elevation, Freeboard, and Thickness
The CryoSat-2 Level-4 Sea Ice Elevation, Freeboard, and Thickness, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has… Read more »
New version available: Images of Antarctic Ice Shelves, Version 2
The Images of Antarctic Ice Shelves data set (NSIDC-0102), accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated to Version 2…. Read more »
Data set correction: Global Lake and River Ice Phenology Database
NOAA@NSIDC would like to make users aware that the ice-off dates for certain years between 2006-2019 for 20 Maine Lakes in this database have been corrected. The source of these… Read more »
Data set update: ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography (ATL19), Version 2
The ATLAS/ICESat-2 L3B Monthly Gridded Dynamic Ocean Topography (ATL19), Version 2 data set, available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has… Read more »
User Notice: Change to Processing Frequency for U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in Gridded Format
NOAA@NSIDC would like to make users aware of a change to the processing frequency for the U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in Gridded… Read more »
