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Summary of Proposal LAN2573

TitleIce flow speed and mass changes in Northwest Greenland
Investigator Liu, Lin - The Chinese University of Hong Kong, Earth System Science Programme
Team Member
Professor Liu, Lin - The Chinese University of Hong Kong, Earth System Science Programme
Professor Khan, Shfaqat - Technical University of Denmark, DTU Space , Department of Geodesy

We propose to map and quantify seasonal variations of surface ice flow speed in the northwestern section of the Greenland Ice Sheet. Specifically, we are in an urgent need to update timeseries of glacial speed at high spatial and temporal resolutions using TerraSAR-X/TanDEM-X data acquired after 2012. As revealed by our recent study, outlet glaciers in Northeast Greenland underwent rapid and large changes in their dynamic behavior. These are important indicators of the dynamic response of the Greenland ice sheet to warming temperatures and may have a significant impact on the mass imbalance of the entire Greenland Ice Sheet. Our proposed study will shed light on the physical driving mechanisms of seasonal and inter-annual variability of glacier dynamics,which will improve our understanding on the natural variations of glacier behaviors and will help to improve the accuracy of predictions on Greenland IceSheet's future contribution to the global sea level change.
This work is funded by the Danish Council for Independent Research (the X-century project), awarded to Professor Khan.

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DLR 2004-2016