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February 7, 2013
Norris Glacier Retreat, Juneau Icefield Alaska
Above is a paired Landsat image from 1984 left and 2013 right indicating the 1100 m retreat during this period. Norris Glacier began retreating before 1890 and has continuously retreated 2050 m from its 19th-20th maximum achieved around 1915. The glacier ended in a lake referred to here as Norris Lake from 1948 until 2007. By 2010 the glacier had retreated from this lake. Here we examine images from fieldwork …