NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)

Enabling researchers and data users to better understand how changes in the cryosphere impact our planet.

Data Updates

Filter by:
Multiple ATLAS/ICESat-2 datasets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have completed Version 6 reprocessing, and the full temporal coverage is now available

The Visible Infrared Imaging Radiometer Suite (VIIRS) Collection 2 (Version 2)  data sets are now available through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).  Collection 2 includes new and improved VIIRS S-NPP snow, sea ice, and ice surface temperature data sets, as well as the first public release of VIIRS data sets from the JPSS-1 (NOAA-20) satellite, which was launched on November 18, 2017.

The MODIS Version 6 (Collection 6) Snow Cover and Sea Ice data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired in August of 2023. After this date, access to the data will no longer be available, but documentation will remain available for future reference.  NSIDC encourages users to switch to the newer MODIS Version 6.1 (Collection 6.1) data.

The MEaSUREs Greenland Image Mosaics from Sentinel-1A and -1B, Version 4 dataset, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated. The temporal coverage of this dataset now spans from 01 January 2015 to 25 March 2023. 

The Images of the Antarctic Ice Shelves tool as well as the Images of Antarctic Ice Shelves, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) has been retired as of 13 June 2023. Images of Antarctic Ice Shelves, Version 1 data has been incorporated into the Images of the Antarctic Ice Shelves, Version 2 data set.

The SnowEx20 Grand Mesa IOP Computed Tomography Snow Microstructure, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set characterizes snow microstructure of six snow pits from the SnowEx 2020 Grand Mesa, Colorado Intensive Observation Period using microcomputed tomography (micro-CT).

The ICESat-2 Calibration/Validation LVIS L1B Georeferenced Imagery, Version 1 data set is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The ATLAS/ICESat-2 L3A Sea Ice Height Quick Look (ATL07QL), Version 6 and ATLAS/ICESat-2 L3A Sea Ice Freeboard Quick Look (ATL10QL), Version 6 data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), have been updated.
Version 6 of the ATLAS/ICESat-2 L3A Along Track Inland Surface Water Data (ATL13QL) data set is now accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC).
The LVIS Facility L2 Geolocated Surface Elevation and Canopy Height Product, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated to include data over Greenland for April and July 2022.

The DMSP SSM/I-SSMIS Daily Polar Gridded Brightness Temperatures, Version 6 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated through 5 April 2023. This data set provides daily gridded brightness temperatures derived from passive microwave sensors and distributed in a polar stereographic projection.

Multiple ATLAS/ICESat-2 data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), are being updated to Version 6.

The GLIMS Glacier Database, Version 1 dataset, available via the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated. This update includes new data on glacier outlines and improvements to existing ones.

VIIRS Collection 2 (Version 2) will be available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) in the coming weeks.

The ATLAS/ICESat-2 L2A Global Geolocated Photon Data (ATL03) and ATLAS/ICESat-2 L2A Normalized Relative Backscatter Profiles (ATL04) data sets, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), are being updated to Version 6.
The ATLAS/ICESat-2 L1B Converted Telemetry Data (ATL02) data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC), has been updated to Version 6.

The Images of the Antarctic Ice Shelves tool as well as the Images of Antarctic Ice Shelves, Version 1 data set, accessible through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired on 31 May 2023. Images of Antarctic Ice Shelves, Version 1 data has been incorporated into the Images of the Antarctic Ice Shelves, Version 2 data set.

Temporal updates for the MEaSUREs Greenland Image Mosaics from Sentinel-1A and -1B, Version 4 and MEaSUREs Greenland 6 and 12 day Ice Sheet Velocity Mosaics from SAR, Version 2 data sets are now available through the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). The temporal coverage for both the image mosaics and 6 and 12 day velocity mosaics data now spans from 01 January 2015 to 17 February 2023.