Sea Ice Trends & Climatologies from SMMR & SSM/I Home
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GIS Sea Ice Maps

NSIDC is no longer producing monthly sea ice concentration files in ArcInfo GIS interchange file format (.e00) for the Arctic and Antarctic. However, please visit NSIDC's Sea Ice Index: Archive Web page where you can download GIS compatible files (shapefiles).

University of Colorado at Boulder Cooperative Institute for Research in Environmental Sciences (CIRES)

The National Snow and Ice Data Center
Supporting Cryospheric Research Since 1976
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