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17 September 2019

Gilkey Glacier Retreat Leads to Rapid Lake Expansion in 2019

Gilkey Glacier in 1984 and 2019 Landsat images indicating retreat of 4300m, tributary separation and 5 km2 lake expansion. A=Terminus tongue, B=Battle Glacier, G=Gilkey Glacier and T=Thiel Glacier. Gilkey Glacier draining the west side of the Juneau Icefield has experienced dramatic changes since I first worked on the glacier in 1981.   The Gilkey Glacier is fed by the famous Vaughan Lewis Icefall at the top of which Juneau Icefield …

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