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February 23, 2016

Mammoth Glacier, Wyoming Ongoing Retreat

    At top Landsat images from September 2013, 2014 and 2015 of Mammoth Glacier.  The blue arrow indicates retained snowcover. A 2013 images of Mammoth Glacier from Sarah Meiser, note low slope and lack of crevassing above Mammoth Glacier is in the Wind River Range of Wyoming.  The ongoing retreat is leading to a glacier that does not warrant the name mammoth for size, but soon it will for obsolescence.The long …


December 4, 2014

Cloud Peak Glacier Retreat, Wyoming

Cloud Peak is the highest peak in the Bighorn range of north central Wyoming, a cirque on its east side hosts the only significant glacier in the range. This glacier was photographed in 1903 and has lost much of its volume since then. Rahn et al. (2006), page 44, estimated that if the melting continues at the rate that determined in 2005, Cloud Peak Glacier would disappear between the years …


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 …