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You are browsing the archive for landsat glacier retreat Archives - From a Glacier's Perspective.

October 24, 2017

Gangge’er Glacier, Retreat & Tributary Separation Qilian Mt. China

Gangge’er Glacier, Qilian Mt., China comparison in 1997 and 2017 Landsat Images.  Yellow arrows indicates 2017 terminus, red arrows the 1990 terminus, and purple arrows tributaries that have detached.  The snowline is  purple dots and Points 1-3 indicate bare rock areas amidst the glacier. The largest glacier in the Gangge’er Xiaoheli Shan range of the the Qilian Mountains in China, here referred to as Gangge’er Glacier, drains northwest into the …

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December 16, 2016

Laigu Glacier, China Retreat Lake Expansion

Landsat image comparison of the Laigu Glacier in 1988 and 2015.  The red arrow indicates the 1988 terminus and the yellow arrow the 2015 terminus location.  The purple dots in 2015 indicate the snowline. Laigu (Lhagu) Glacier, China is in the Kangri Karpo Mountains of the Southeast Tibet Plateau and drains into the Salween River.  This is the largest glacier in its region at 32 km in length.  The glacier …

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February 26, 2015

Mahsa Icefield Retreat and Separation, Baranof Island, Alaska

The Mahsa Icefield is at the headwaters of Takatz Creek.  This is a small glacier, not an actual icefield.  Five kilometers to the west is another small unnamed glacier at the headwaters of Sawmill Creek.  Here we focus on changes in the two glacier using Landsat images from 1986 to 2014. Google Earth image In 1986 the Mahsa Icefield is a contiguous glacier that extended 5 km from east to …

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