ICESat-2 and CryoSat-2 L4 Monthly Arctic Snow Depth and Sea Ice Thickness, Version 1 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This ...

The NSIDC DAAC User Services Office provides support for direct data download from Earthdata Cloud HTTPS and access to our AWS Simple Storage Service (S3) buckets. For more details on these access ...

The study draws from multiple data sources: the Automated Surface Observing System (ASOS); a 1996 study examining global ...

For further information, please see our Please note that gaps in the DMSP SSMIS data, which began in late spring of 2025 when the DoD deprioritized SSMIS data processing, may continue through the end ...

The following data set will continue to provide SSMIS data, along with AMSR2 data: ...

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The international Arctic Rain on Snow Study (AROSS), led by NSIDC, focuses on the effects of a growing problem in the Arctic. With increasing frequency, rain falls on snow, refreezes, and forms an icy ...

NOAA@NSIDC is pleased to announce the release of Sea Ice Index, Version 4. This new version uses input data from the JAXA GCOM-W1 AMSR2 instrument for 1 January 2025 through forward processing. Input ...

Surface melting on the Greenland Ice Sheet is on a slightly above-average track for the 2025 melt season, with melt along the western coast leading the way. Overall, total melt-day extent as of June ...

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 ...

The National Snow and Ice Data Center (NSIDC) is pleased to announce that the Department of Defense (DoD) has agreed to extend processing and delivery of Special Sensor Microwave Imager/Sounder (SSMIS ...