• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-08-08T00:00:00.000+00:00

The 1981-2010 Sea Ice Climate Normals are the latest three-decade average of Arctic sea ice concentration, area, and extent computed from monthly satellite sea ice concentration estimates from a...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This International Satellite Land Surface Climatology Project (ISLSCP) Initiative II data set, ISLSCP II Global Sea Ice Concentration, is based on the Goddard Space Flight Center (GSFC) Sea Ice...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set provides weekly estimates of sea ice age for the Arctic Ocean derived from remotely sensed sea ice motion and sea ice extent. For more recent data, see the Quicklook Arctic Weekly...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set provides measurements of sea ice freeboard and sea ice thickness for the Arctic region. The data were derived from measurements made by from the Ice, Cloud, and land Elevation...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set provides monthly sea ice concentration for the Arctic from 1901 to 1995 and for the Southern Oceans from 1973 to 1990 on a standard 1-degree grid (cylindrical projection) to provide...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set provides different measurements of Antarctic sea ice data collected as part of the Sea Ice Mass Balance in the Antarctic (SIMBA) program. The observation program was carried out in...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

Notice to Data Users: The documentation for this data set was provided solely by the Principal Investigator(s) and was not further developed, thoroughly reviewed, or edited by NSIDC. Thus, support...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006 data are derived from sea ice charts from the Arctic and Antarctic Research Institute (AARI), St. Petersburg, Russia. Provided...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set consists of on-ice sea ice thickness measurements derived from drill holes, gauges, thermistor strings, and surface electromagnetic induction. From journal articles, reports, on-line...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

The AMSR2 Daily Polar Gridded Sea Ice Concentrations product provides daily files of sea ice concentrations for both the Northern and Southern Hemispheres. This product will be a replacement...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

This data set (ATL10) contains estimates of sea ice freeboard, calculated using three different approaches. Sea ice leads used to establish the reference sea surface and descriptive statistics...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

This data set (ATL10) contains estimates of sea ice freeboard, calculated using three different approaches. Sea ice leads used to establish the reference sea surface and descriptive statistics...

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• Organization: National Aeronautics and Space Administration
• Updated: 2025-03-31

This data set reports monthly, gridded winter sea ice thickness across the Arctic Ocean. Sea ice thickness is estimated using ATLAS/ICESat-2 L3A Sea Ice Freeboard (ATL10) Version 6 data and NASA...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share your story here: Level of...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

MODIS/Terra Near Real Time (NRT) Sea Ice Extent 5-Min L2 Swath 1km (MOD29) contains the following fields: sea ice by reflectance, sea ice by reflectance pixel quality assurance (QA), ice surface...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set is the quicklook version of the EASE-Grid Sea Ice Age product (https://nsidc.org/data/nsidc-0611). It is derived from the Quicklook Arctic Weekly EASE-Grid Sea Ice Motion Vectors...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set is an evaluation product containing derived geophysical data products retrieved over the Arctic sea ice cover, using the IceBridge Airborne Topographic Mapper (ATM), Snow Radar,...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

These charts, created by the Danish Meteorological Institute (DMI), provide observed and inferred sea ice extent for each summer month from 1893 to 1956. From 1893 to 1956, the Danish...

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• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-17

This data set contains interviews of three hunters from Sanikiliaq, Belcher Islands, in the territory of Nunavut, Canada. The hunters describe their observations of sea ice conditions around the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-12-01T00:00:00.000+00:00

A new sea surface temperature (SST) analysis on a centennial time scale is presented. The dataset starts in 1850 with monthly 1x1 means and is periodically updated. In this analysis, a daily SST...

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