Moving Ice Edge 

    During the summer months, the sea ice covers an average of 7,000,000 sq km, but grows to around 14,000,000 sq km during the winter. By comparison, the entire United States is just over 9,000,000 sq km.

Swimming Tutangiaq
Sequence of ice edge maps of Arctic basin in 1985 Click on the tabs to see the data from different seasons.
Show March 1985 ice map Show June 1985 ice map Show September 1985 ice map Show December 1985 ice map
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