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

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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February 22, 2015

Carbon Lake Glacier Retreat, Alaska

On Baranof Island in southeast Alaska there are a pair of unnamed glaciers at the headwaters of the Carbon Lake watershed, that then drains into Chatham Strait.  Here we examine changes in these glacier from 1986 to 2014 using Landsat imagery.  The blue arrow indicates the northern glacier terminus and the yellow arrow the southern glacier terminus region. In 1986 the southern glacier terminus, yellow arrow consisted of three main …

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