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You are browsing the archive for Glacier retreat lake expansion Archives - AGU Blogosphere.

20 May 2019

Chickamin Glacier, Alaska Retreat Generates Separation and Lake Expansion

Chickamin Glacier, Alaska in 1985 and 2018 Landsat images indicating the 3.5 km retreat and associated lake expansion. Red arrow is 1985 terminus location, yellow arrow is the 2018 terminus location, pink arrow is former junction area with Through Glacier.  The purple dots indicate the snowline.  Point 1 and 2 are locations of bedrock expansion above the equilibrium line altitude.  Chickamin Glacier in southeast Alaska glacier drains south from an …

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15 June 2017

West Ganglung Glacier, Tibet Glacier Loses 20% of Length

Landsat image comparison from 1991, 2001 and 2016 of West Ganglung Glacier, red arrow is the 1991 terminus, yellow arrow the 2016 terminus, green arrow the eastern glacier proglacial terminus lake and purple arrow expanding zone between a former tributary and West Ganglung Glacier West Ganglung Glacier is on the China-India border 6 km west of Ganglun Grangri Peak meltwater enters the Sultej River and then Mapam Tso.  the glacier terminates …

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10 February 2017

Cook Ice Cap Outlet Glacier Retreat Lake Fromation, Kerguelen 2001-17

  Comparison of eastern outlet glaciers of the Cook Ice Cap in 2001 and 2017 Landsat images.  Red arrow indicates a location of tributary separation. Pink arrow the 2017 terminus location of the northernmost glacier. Orange arrow the 2017 terminus location of the middle glacier.  Yellow arrow tip the 2001 terminus position of glacier ending in newly formed lake.  Green arrow the southernmost glacier 2017 terminus location.  On the east side …

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