A surge of North Gasherbrum Glacier, Karakoram, China
Authors: Mayer, Christoph; Fowler, Andrew C.; Lambrecht, Astrid; Scharrer, Kilian
Source: Journal of Glaciology, Volume 57, Number 205, October 2011 , pp. 904-916(13)
Publisher: International Glaciological Society
Abstract:Between 2003 and 2007, North Gasherbrum Glacier on the northeastern slope of the Karakoram mountains in Asia underwent a dramatic acceleration, during which a velocity wave propagated down the glacier. There was a significant transfer of ice from up-glacier downstream, which resulted in a strong surface elevation increase over the lower tongue, but only a moderate advance of the glacier snout. We interpret this behaviour as that of a glacier surge, and we explain the observations by means of a simple version of the Kamb drainage-switching theory.
Document Type: Research Article
Publication date: October 1, 2011
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