The overall, downward trend in the minimum extent from 1979 to 2025 is 12.1 percent per decade relative to the 1981 to 2010 ...

For further information, please see our "This year is yet another low extent for Arctic sea ice," said senior scientist Walt Meier. "While not a record low, it is consistent with an Arctic sea ice ...

Throughout August 2025, sea ice rapidly melted and compacted north of Alaska in the Beaufort Sea, initiated by a warm pulse ...

The AMSR2 prototype sea ice concentration data are no longer available in the data set as of 1 September 2025. SSMIS-derived sea ice concentrations will continue. NSIDC is actively working on ...

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 monthly Sea Ice Index provides a quick look at Arctic-wide changes in sea ice. It is a source for consistently processed ice extent and concentration images and data values since 1979. Monthly ...

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 ...

Dear data users, NSIDC does not archive or provide citation guidance for these data. The Global Terrestrial Network for Permafrost (GTN-P) was established in 1999 by the International Permafrost ...

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 ...