Abstract
Monitoring of glacier changes plays an important role within the Global Climate Observing System (GCOS) [Haeberli et al., 2000] and Landsat imagery has proven to be a useful tool for monitoring glacier changes over large and remote areas [Aniya et al., 1996; Li et al., 1998]. An accurate glacier map can be obtained by simple segmentation of a ratio image from Thematic Mapper (TM) channels 4 and 5 [Bayr et al., 1994, Jacobs et al., 1997; Paul, 2002] Individual glaciers were recently derived within a Geographic Information System (GIS) using a vector layer with glacier basin boundaries. Glacier changes were calculated and visualized by processing sequential images within a fully automated work flow.
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