Sea Ice Concentration
Monthly-averaged percent sea ice concentration for September 2007 from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data in a Polar Stereographic projection.
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Ice Surface Temperature
A sample image from MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km, obtained on 5 February 2004 over the Weddell Sea. The shades of white and grey show the ice surface temperature for that day.
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10-Year Climatology
A sample image from the National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format data set. This image shows a 10-year climatology of the median ice concentration file for July over the Arctic.
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Ice Motion
Mean sea ice motion vectors for September 2006 for the Northern Hemisphere from Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors.
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Sea ice concentration
Ice surface temperature


NSIDC offers a wide variety of sea ice products derived from passive microwave sensors, visible and infrared sensors, and other sources. Sea ice is a critical component of our planet because it influences our global climate even though sea ice occurs primarily in the polar regions. These Web pages are designed to help you make an educated decision about the most appropriate sea ice product for your research.

The pages of this Web site can be accessed with the navigation to the left. The Data Sets Web page describes the current sea ice data product holdings at NSIDC. The Tools Web page provides a list of tools for accessing, displaying, and geolocating the sea ice data. The Other Data Sources Web page provides links to other sources of sea ice data and information, and the FAQs Web page lists some of the most frequently asked questions about NSIDC sea ice data. For more information about sea ice and how it affects our climate, see the All About Sea Ice Web page.