NSIDC's Polar Stereographic Projection was originally designed to be optimal for sea ice applications, though it is now used for many other products. Northern Hemisphere (left) and Southern Hemisphere ...

The Near Real-time SMAP L1B Radiometer Half-Orbit Time-Ordered Brightness Temperatures, Version 105 and Near Real-time SMAP L2 Radiometer Half-Orbit 36 km EASE-Grid Soil Moisture, Version 107 data ...

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 ...

A new study focuses on improving global temperature data sets in light of uneven warming across the globe. To fill gaps in ...

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 ...

NOAA@NSIDC is pleased to announce that the Rutgers Northern Hemisphere 24 km Weekly Snow Cover Extent, September 1980 Onward, Version 1 data s ...

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 ...

A new review paper, led by NSIDC senior research scientist Julienne Stroeve and published in Science on February 6, 2025, ...

This ice core data is archived at the World Data Center for Paleoclimatology and is available through the Ice Core Data Gateway. The data includes methane data from the Greenland Ice Sheet Project 2 ...

Is the Arctic getting more humid over time, releasing more water vapor into the atmosphere? This interactive map shows how the amount of water vapor in the Arctic atmosphere each month compares to the ...

Arctic sea ice extent for January 2025 averaged 13.13 million square kilometers (5.07 million square miles), second lowest for the month in the satellite record, following a record lowest extent for ...