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July 21, 2016

Sjögren Glacier Fast Flow, Fast Retreat, Antarctica

Sjögren Glacier comparison in Landsat images from 2001 and 2016, red dots indicate terminus position, Point A, B, C and D are in fixed locations.  Sjögren Glacier flows east from the northern Antarctic Peninsula and prior to the 1980’s was a principal feeder glacier to Prince Gustav Ice Shelf.  This 1600 square kilometer ice shelf disintegrated in the mid-1990’s and was gone in 1995 (Cook and Vaughan, 2010). Scambos et al (2014) …


April 28, 2011

Hariot Glacier, ongoing rapid retreat Antarctic Peninsula

Pablo Zenteno in the Dept. of Geography at the University of Chile has called attention to Hariot Glacier is a close neighbor to Fleming Glacier draining the west side of the Antarctic Peninsula into Marguerite Bay. Both glaciers used to feed the Wordie Ice Shelf before it disintegrated between 1970 and 2000. Unlike the Fleming Glacier, Hariot Glacier has a steeper gradient as descends down a a mountain valley to …