With the generous support of the Climate Science and Communication Fund from Surge Climate Talent, NSIDC’s Ice Sheets and Sea ...
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 ...
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 ...
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 ...
The ICESat/GLAS Long Term Archive (LTA) is a selection of data preservation documentation for ICESat/GLAS data. This data preservation maintains the usability of data for future research and new ...
In July 1879, as the USS Jeannette left port in San Francisco en route to the North Pole, polar exploration captivated society in Europe and the United States. The United States had purchased Alaska ...
At the end of July 2025, daily sea ice extent in both hemispheres ranked third lowest in the 47-year satellite record. For most of the month, Arctic sea ice extent tracked close to levels recorded for ...
Antarctic sea ice has likely reached its minimum extent for the year, at 2.58 million square kilometers (996,000 square miles) on February 26, 2026, according to scientists at the National Snow and ...
On September 10, Arctic sea ice likely reached its annual minimum extent of 4.60 million square kilometers (1.78 million square miles). The 2025 minimum shares the tenth lowest spot in the nearly ...
Throughout August 2025, sea ice rapidly melted and compacted north of Alaska in the Beaufort Sea, initiated by a warm pulse of air from east Siberia that was sustained by persistent winds from the ...
The National Snow and Ice Data Center (NSIDC) is part of the Cooperative Institute for Research in Environmental Sciences at the University of Colorado Boulder. Tiny valleys near the top of Antarctica ...
The Arctic ice cover plays an important role in maintaining Earth’s temperature—the shiny white ice reflects light and heat that the ocean would otherwise absorb, keeping the Northern Hemisphere cool.
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