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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 …


June 26, 2012

Sourdough Glacier Retreat, Wind River Range, Wyoming

Sourdough Glacier descends the north side of Klondike Peak in the Wind River Range of Wyoming. Thompson et al (2011) identified the loss in area of Wind River Glaciers from 1966 to 2006. The total surface area of the 44 glaciers was estimated to be 45.9 km2 in 1966 and 28:6 km2 in 2006, a decrease of 42%. The retreat has varied from substantial on Minor and Grasshopper Glacier to …


October 31, 2011

Lower Fremont Glacier, Wyoming Disappearing

The Wind River Range is host to 40 glaciers that all have retreated significantly over the last 25 years and 45 years. Of the 15 glaciers observed in detail, nine will not survive current climate (Pelto, 2008). The Lower Fremont is one of the glaciers that will not survive. A comparison of its extent from 1966 USGS map, 1994 USGS aerial photography and 2006 satellite image in Google Earth indicate …