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As we know, SRTM (Shuttle Radar Topography Mission) DEM has been widely used to evaluate the multi-decadal elevation changes of mountain glaciers. Recently, a new global elevation dataset known as GDEM, based on the ASTER satellite imagery has also been released. In this paper various kinds of data on SDG(Small Dongkemadi Glacier) were collected to evaluate the potential of GDEM used in this field,...
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