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

6 July 2022

Alsek Glacier, Alaska Releases its own Fireworks-Iceberg Discharge July 2022

Alsek Glacier, Alaska in a Sentinel Image from July 1, 2022 indicating an area of rapid recent calving, red dots. The northern tongue has accelerated in the last six year (NASA ITS_Live). Alsek Glacier descends from the Fairweather Range terminating in Alsek Lake on the coastal plain. The glacier terminated at Gateway Knob (G) near the outlet of Alsek River from Alsek Lake in the early part of the 20th …

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1 May 2016

North Fork Grand Plateau Glacier, Alaska-Spectacular 3 km Retreat 2013-15

North Fork Grand Plateau Glacier comparison in 2013 and 2015 Landsat images.  Illustrating the rapid retreat and lake expansion in just two years. Pink arrow is 1984 terminus, red arrow is the 2013 terminus and yellow arrow 2015 terminus. The orange dots are the 2013 terminus.  The Alsek Glacier is a large glacier draining into Alsek Lake and the Alsek River in southeast Alaska  Its neighbor the Grand Plateau Glacier has one fork  flows north and …

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