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Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

Atlas of the Cryosphere

View dynamic maps of snow, sea ice, glaciers, ice sheets, permafrost, and more.
Click below to launch the atlas for either the Northern or Southern Hemisphere. More info...