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

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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1 May 2014

Kerguelen Island Glacier Retreat Forms New Lake District

On the east side of the Cook Ice Cap on Kerguelen Island a series of outlet glaciers have retreated expanding and forming a new group of lakes, red arrow. This area is just south of Lac du Chamonix which has existed. Here we examine the changes from 2001-2014 along using Landsat imagery. This is a retreat examined by Berthier et al (2009), and exemplified by the retreat of Ampere Glacier …

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27 April 2014

Arago Glacier Retreat, Kerguelen Island

Kerguelen Island sits alone isolated at the edge of the furious fifties in the southern Indian Ocean. The island features numerous glaciers, the largest being the Cook Ice Cap at 400 square kilometers. Here we focus on the Arago Glacier and an adjacent glacier to the south on an icecap on the Raillier du Bay Peninsula Ice Cap using satellite imagery from 2001-2011. Arago Glacier descends east from the ice …

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8 November 2012

Lapperent Outlet Thinning and Retreat, Kerguelen Island

Kerguelen Island sits alone at the edge of the furious fifties in the southern Indian Ocean. The island features numerous glaciers, the largest being the Cook Ice Cap at 400 square kilometers. A comparison of aerial images from 1963 and 2001 by Berthier et al (2009) indicated the ice cap had lost 21 % of its area in the 38 year period. In this paper they focused particular attention on …

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12 April 2012

Cook Ice Cap Northern Outlet (Aggasiz Glacier) Retreat, new lake born Kerguelen Island

Kerguelen Island sits alone at the edge of the furious fifties in the southern Indian Ocean. The island features numerous glaciers, the largest being the Cook Ice Cap at 400 square kilometers. A comparison of aerial images from 1963 and 2001 by Berthier et al (2009) indicated the ice cap had lost 21 % of its area in the 38 year period. Le Bris et al (2008) in a related …

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