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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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 ...

Dear data users, NSIDC does not archive or provide citation guidance for these data. This map depicts the distribution, characteristics, and boundaries of permafrost and ground ice in Canada.

Describing subset: When applicable, include the information a reader would need to extract the same subset at the end of your citation. If multiple or complex steps were incolved, it may be more ...

If you already know the dataset you want, start at its landing page. 1. Scroll to the Data Access & Tool section. 2. Click the desired tool card (Earthdata Search or HTTPS File System). Each card ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the 1981 to 2010 average for total melt-day extent (Figure 1a). Through July 20, ...

Arctic sea ice extent tracked at near-record low levels through much of June, hitting daily record low levels from June 20 to 26. Sea ice coverage was particularly low in the Barents and Kara Seas, ...

The Near Real-time SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 105, and Near Real-time SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 107 data ...

With the migration of GLAS/ICESat data to the NASA Earthdata Cloud, transformation services will be retired and no replacement services in the cloud are planned for GLAS/ICESat L1B Global Elevation ...

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 ...