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 ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the ...

ICESat-2 Derived Canopy Height Model, Version 1 is now available at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC). This data set provides a regression-based ...

NOAA@NSIDC is pleased to announce the upcoming release of Sea Ice Index, Version 4, available at the National Snow and Ice Data Center on August 1. This new version transitions from SSMIS to AMSR2 ...

Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) ...

High Mountain Asia 8-meter DEMs Derived from Along-track Optical Imagery, Version 1 ...

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.

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 ...

This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, consists of surface velocity estimates for selected Greenland Ice Sheet outlet ...

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AMSR-E/Aqua Daily L3 6.25 km 89 GHz Brightness Temperature Polar Grids, Version 4 User Guide ...

AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids, Version 4 User Guide ...