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Federal
The Dehn Collection of Arctic Sea Ice Charts, 1953-1986, Version 1
National Aeronautics and Space Administration —
The National Snow and Ice Data Center holds a collection of charts depicting ice conditions in the seas off Alaska and western Canadian coasts. Ice edge position and... -
Federal
U.S. National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format, 1972 - 2007, Version 1
National Aeronautics and Space Administration —
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...