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You are browsing the archive for southern Alaska glacier retreat Archives - AGU Blogosphere.

25 January 2018

Blockade Glacier, Alaska Retreat Generates Expanding Lake

Blockade Glacier in 2000 and 2017 Landsat images.  Red arrow indicates 2000 terminus locations, yellow arrows 2017 terminus locations and purple dots the snowline.  Blockade Glacier drains east from the Neacola Mountains in southern Alaska.  The glacier has two prominent terminus locations, the western terminus is in Blockade Lake, blocked by the glacier and the eastern terminus is in a new expanding lake at the headwaters of the MacArthur River. Arendt …

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