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10 December 2013

Gracey Creek Glacier Retreat and Tributary Loss, Alaska

Gracey Creek Glacier is a small glacier in southeast Alaska that terminates near the Canadian border. The glacier’s main terminus is the northern terminus (red arrow), though it has southern terminus as well (purple dot), both drain into Behm Canal via different rivers. Here we examine Landsat images from 1987 to 2013 to identify retreat and tributary separation in the last quarter century. USGS map of Gracey Creek Glacier Google …

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