Paleo-glaciations of the Shaluli Shan, southeastern Tibetan Plateau

Published: Apr 1, 2014 by The PISM Authors

   
Title Paleo-glaciations of the Shaluli Shan, southeastern Tibetan Plateau
Authors Fu, P. and 7 others
Venue EGU Annual Meeting, Vienna, Austria, April 07-12, 2013

Geomorphological mapping, 10Be and 26Al exposure dating and glacial modeling are used to reconstruct the glacial history of the Shaluli Shan, southeastern Tibetan Plateau, and to understand the evolution of the glacial landscape. The Haizishan Plateau experienced multiple ice cap glaciations, and 10Be and 26Al exposure ages from bedrock, boulder and saprolite profile samples show limited glacial erosion on some parts of the plateau surface and more than 2 meters of bedrock erosion in other areas. This juxtaposition of high erosion and relict topography suggests that the paleo Haizishan ice cap had a complex basal thermal regime. A numerical glacier model (PISM) is now being used to investigate the thermal regime of the paleo ice cap and patterns of erosion potential. This work provides new insights into the paleoclimatic setting and glacial landscape evolution of the southeast Tibetan Plateau.

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