Version 1 (Collection 1) sets will be retired from the NSIDC DAAC on April 8, 2025. Upon retirement, data will no longer be accessible, but all related documentation will remain available on the data ...

Antarctic sea ice has likely reached its minimum extent for the year, at 1.98 million square kilometers (764,000 million ...

Antarctic sea ice likely reached its minimum extent of 1.98 million square kilometers (764,000 square miles), tying for second lowest extent with 2022 and 2024 in the 47-year satellite record. This is ...

Arctic sea ice growth was slow in February, leaving extent at record-low levels for the end of the month. In the Antarctic, ...

February 2025 snow summarySnow-covered area across the western United States was 87 percent of average for February, ranking sixteenth in the 25-year satellite record. On Fe ...

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 ...

There are many ways to access and work with NSIDC data to accommodate a wide range of users. Use the filter menu to explore and narrow down your options. Note that the list defaults to show our ...

The Global Terrestrial Network for Permafrost (GTN-P) was established in 1999 by the International Permafrost Association to provide long-term field observations of active layer and permafrost thermal ...

This data set includes CO2 and CH4 records derived from three ice cores obtained at Law Dome, East Antarctica, from 1987 to 1993. Law Dome is a medium size, approximately circular, (200 km dia., 1390 ...

This data set includes chemistry, ion, and istotope data from Taylor Dome, part of the East Antarctic ice sheet. Deep drilling at Taylor Dome successfully reached bedrock at a depth of 554 meters ...