News

National Snow and Ice Data Center1h
New data sets release: AMSR2 Daily Polar Gridded Sea Ice Concentrations and AMSR2 Daily Polar Gridded Brightness Temperatures
These data sets provide daily files of brightness temperature data and sea ice concentrations for both the Northern and Southern Hemispheres. These data products serve as a replacement for the ...
National Snow and Ice Data Center20h
SSMIS sunsets AMSR2 rises
The SSMIS data are used as input for this NSIDC-produced data set, which will therefore stop processing after 31 July 2025.
National Snow and Ice Data Center6d
Data set update: Sea Ice Index, Version 3
NOAA@NSIDC is pleased to announce that the Sea Ice Index, Version 3 data set, accessible through the National Snow and Ice Data Center (NSIDC), has been updated from near-real-time data to final data ...
Arctic Sea Ice3d
Circum-Arctic Map of Permafrost and Ground-Ice Conditions, Version 2 - National Snow and Ice Data Center
The Circum-Arctic permafrost and ground ice map is available via ftp in ESRI Shapefile format and Equal-Area Scalable Earth Grid (EASE-Grid) format. See the Format section for an explanation of the ...
Arctic Sea Ice5d
ATLAS/ICESat-2 L3A Land Ice Height, Version 6
This data set (ATL06) provides geolocated, land-ice surface heights (above the WGS 84 ellipsoid, ITRF2014 reference frame), plus ancillary parameters that can be used to interpret and assess the ...
Arctic Sea Ice3d
ATLAS/ICESat-2 L2A Global Geolocated Photon Data, Version 3
This data set (ATL03) contains height above the WGS 84 ellipsoid (ITRF2014 reference frame), latitude, longitude, and time for all photons downlinked by the Advanced Topographic Laser Altimeter System ...
Arctic Sea Ice13d
ATLAS/ICESat-2 L3A Along Track Coastal and Nearshore Bathymetry, Version 1
ATL24 provides global along-track coastal and nearshore bathymetry, consisting of refraction-corrected seafloor and sea surface heights (orthometric and ellipsoidal heights and instantaneous depths), ...
Arctic Sea Ice8d
SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data, Version 8
SMAP Level-4 (L4) surface and root zone soil moisture (L4_SM) data are provided in three products. The SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data ...
Arctic Sea Ice13d
U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in Gridded Format, Version 1 - National Snow and Ice Data Center
Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share your story here: Level of Service ...
Arctic Sea Ice5d
ICESat-2 and CryoSat-2 L4 Monthly Arctic Snow Depth and Sea Ice Thickness, Version 1 - National Snow and Ice Data Center
As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...
Arctic Sea Ice9d
ATLAS/ICESat-2 L3A Land Ice Height, Version 3 - National Snow and Ice Data Center
This data set (ATL06) provides geolocated, land-ice surface heights (above the WGS 84 ellipsoid, ITRF2014 reference frame), plus ancillary parameters that can be used to interpret and assess the ...