Snow cover duration was just above the twenty-fifth percentile of the 25-year satellite record. Snow albedo, also known as snow brightness, started low in early April and decreased throughout the ...

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 ...

For further information, please see our April Arctic sea ice extent averaged 13.91 million square kilometers (5.37 million ...

Effective May 5, 2025, NOAA’s National Centers for Environmental Information (NCEI) will decommission its snow and ice data products from the Coasts, Oceans, and Geophysics Science Division (COGS).

When Curtis Rattray walks on Tahltan land, he often pauses to write in a tattered notepad. He jots down descriptions of the ...

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 ...

Note: To select a different data set, close this window (or tab) and navigate to the data set landing page you want. This data set contains estimates of Arctic sea ice thickness and concentration, ice ...

As climate change warms the Arctic, new challenges continue to emerge for communities and ecosystems in the region. One such challenge is the increase of rain on snow events. When rain falls on snow ...

Note: To select a different data set, close this window (or tab) and navigate to the data set landing page you want.

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Dear data users, NSIDC does not archive or provide citation guidance for these data. This data set includes beta profiles, chemistry, and density data obtained from Dominion Range ice cores. The ...