The Circum-Arctic permafrost and ground ice map is available via ftp in ESRI Shapefile format and Equal-Area Scalable Earth Grid (EASE-Grid) format. See the Format section for an explanation of the ...

NOAA@NSIDC is pleased to announce that the Sea Ice Index, Version 3 data set, accessible through the National Snow and Ice Data Center (NSIDC), has been updated from near-real-time data to final data ...

Future improvements include the transition of OpenAltimetry to ICESat-2 v007 data, which is expected to bring additional performance improvements through cloud optimization.

Using decades of satellite snow data from NASA’s NSIDC DAAC, researchers discovered that caribou in the Bathurst herd begin their epic migration just days after Arctic snowmelt begins—revealing a ...

Recent delivery from the US Navy of the SSMIS passive microwave data that several sea ice and brightness temperature products use has become more sporadic. The Defense Department has informed NSIDC ...

May sea ice extent in the Arctic averaged 12.56 million square kilometers (4.85 million square miles), tying with 2004 for seventh lowest on the 47-year satellite record. Antarctic sea ice extent for ...

Home Data User Resources Data Announcements New data set release: International Ice Patrol Annual North Atlantic Iceberg Summaries and Reports, Version 1 ...

Access to Aquarius data sets in the legacy, on-premises archive at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired on 1 July 2025. The NASA ...

Access to SMAP Validation data sets in the legacy, on-premises archive at the NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC) will be retired on 17 June 2025. The ...

This graph of Antarctic sea ice February extent anomalies shows a slope of -2.6 ± 3.3 percent per decade. Note that the individual monthly values over the years are scattered widely around the trend ...

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). As ...