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June 2, 2014

Sacagawea Glacier, Wyoming is Disappearing

Sacagawea Glacier in the Wind River Range of Wyoming lost 35% of its area between 1966 and 2006. This glacier on the west slope of Sacagawea Peak and Helen Peak and just north of Upper Fremont Glacier. Here we compare Google Earth imagery of the glacier that indicates the change during this forty year period. In 1966 the glacier had an area of square kilometers. The first image is the …


June 13, 2010

Grasshopper Glacier Wyoming disappearing

Grasshopper Glacier in the Wind River Range of Wyoming has a southern terminus calving into a lake , sometimes referred to as Klondike Glacier, and a northern terminus. The southern terminus is calving and retreating expanding the unnamed lake it terminates in. The southern glacier has retreated 350 m since 1966. This lakes drains north under the glacier and down the valley under the Grasshopper Glacier. This is quite unusual …