Doomsday Glacier

Thwaites Glacier, sometimes referred to as the Doomsday Glacier, is an unusually broad and fast Antarctic glacier flowing into Pine Island Bay, part of the Amundsen Sea, east of Mount Murphy, on the Walgreen Coast of Marie Byrd Land. Its surface speeds exceed 2 kilometres per year near its grounding line. Its fastest flowing grounded ice is centred between 50 and 100 kilometres east of Mount Murphy. It was named by the Advisory Committee on Antarctic Names after Fredrik T. Thwaites, a glacial geologist, geomorphologist and professor emeritus at the University of Wisconsin–Madison. The historian Reuben Gold Thwaites was his father. Thwaites Glacier is closely watched for its potential to raise sea levels. Along with Pine Island Glacier, it has been described as part of the "weak underbelly" of the West Antarctic Ice Sheet, due to its apparent vulnerability to significant retreat.

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