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January 19, 2012

Sortebrae Retreat, East Greenland

The Sortebrae is a surge type tidewater calving glacier on the Geikie Peninsula of East Greenland. Surge type glaciers do not have a steady ice flow, they have non-steady ice flow where longer quiescent periods of slower flow are punctuated by short periods of faster flow. The glacier is comprised of a number of tributaries (A-D) some of which drain the main Greenland Ice Sheet (E). Sortebrae surged in the …