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Space-based mapping of glacier changes using ASTER and GIS tools

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5 Author(s)
S. J. S. Khalsa ; Nat. Snow & Ice Data Center, Univ. of Colorado, Boulder, CO, USA ; M. B. Dyurgerov ; T. Khromova ; B. H. Raup
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We describe an investigation that combines space-based observations of glacier parameters with historical glaciological data derived by traditional means to predict changes in ice extent and volume for the Ak-shirak Range in the interior Tien Shan of Central Asia. A variety of geographic information systems and photogrammetric tools are used to extract glacier outlines, derive of a digital elevation model, and compute area versus elevation distribution functions from data acquired by the Advanced Spaceborne Thermal Emission and Reflection radiometer. These products are then used in a glaciological methodology that can predict the response of glacier systems to changes in local climate.

Published in:

IEEE Transactions on Geoscience and Remote Sensing  (Volume:42 ,  Issue: 10 )