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The grounding line (GL) is the transition boundary between a grounded ice sheet and a floating ice shelf. The location of the GL is very important for calculating the ice sheet mass balance and studying the interactions between ice and ocean. In this paper, Landsat 8 optical images and NASA Ice, Cloud, and Land Elevation Satellite/Geoscience Laser Altimeter System (ICESat/GLAS) data are merged together...
The grounding line (GL) is the location where ice sheet lose contact with the bed rock. Since this line is under the surface ice, it's hard to define the GL. However, the different basal condition besides the GL caused different vertical movement and a flexure is often formed at the GL. This flexure is detectable by optical images. Meanwhile the ocean-induced vertical movement is detectable by repeat...
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