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You are browsing the archive for Penny ice cap retreat Archives - AGU Blogosphere.

7 July 2019

Penny Ice Cap NW Thinning and Retreat Evident

The Northwest (NW) and Northnorthwest (NNW) outlet of the Penny Ice Cap in 1991 and 2019 Landsat images. Red arrow indicates the 1991 terminus location. Point 1 is a large proglacial, Point 2-4 are areas of emerging and expanding bedrock amidst the ice cap. The two largest outlet glaciers of the NW quadrant of the Penny Ice Cap feed the Isurtuq River.  In 1991 both outlet glaciers terminated at 600 …

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9 January 2017

Coronation Glacier, Baffin Island Retreat Leads to Building a New Island

A Landsat image from 1989 and a Sentinel 2 image from2016 illustrate the retreat of Coronation Glacier.  Red arrows indicate the 1989 terminus and yellow arrows the 2016 terminus location.  Purple numbers 1-5 indicate locations of tributary retreat or thinning. Purple numbers 6-9 are icecaps that did not retain snowcover in 2016.  Coronation Glacier is the largest outlet glacier of the Penny Ice Cap on Baffin Island. The glacier has …

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20 February 2012

Penny Ice Cap southwestern margin retreat

Examination of 1991 and 2009 Landsat imagery highlights the retreat of the Penny Ice Cap at its southwestern margin. The glaciers and lakes in this region are unnamed. The Penny Ice Cap is one of two large ice caps on Baffin Island and is the southernmost of the two, with an area of more than 5600 square kilometers. On the east side the glacier exit the ice cap through spectacular …

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23 April 2011

Penny Ice Cap Retreat, Baffin Island

The Penny Ice Cap is extends north from the Pangnirtung Pass regiion of Baffin Island .. To capture the majesty of the region, you have to turn to the artwork of Cory Trepanier, seen below is his Great Glacier study, not to the science data. The ice cap has been shrinking as evidenced by the retreat of a number of outlet glaciers. This post focuses on two of these glaciers. …

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