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Elastic uplift in southeast Greenland due to rapid ice mass loss
Danish National Space Center, Technical University of Denmark, Copenhagen, Denmark
Department of Physics and Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, Colorado, USA
Climate Change Institute, University of Maine, Orono, Maine, USA
Climate Change Institute, University of Maine, Orono, Maine, USA
Faculty of Sciences, Technology, and Communication, University of Luxembourg, Luxembourg
Department of Aerospace Engineering Sciences, University of Colorado, Boulder, Colorado, USA
Faculty of Sciences, Technology, and Communication, University of Luxembourg, Luxembourg
The rapid unloading of ice from the southeastern sector of the Greenland ice sheet between 2001 and 2006 caused an elastic uplift of ∼35 mm at a GPS site in Kulusuk. Most of the uplift results from ice dynamic-induced volume losses on two nearby outlet glaciers. Volume loss from Helheim Glacier, calculated from sequential digital elevation models, contributes about ∼16 mm of the observed uplift, with an additional ∼5 mm from volume loss of Kangerdlugssuaq Glacier. The remaining uplift signal is attributed to significant melt-induced ice volume loss from the ice sheet margin along the southeast coast between 62°N and 66°N.
Received 25 July 2007; accepted 5 October 2007; published 1 November 2007.
Citation: (2007), Elastic uplift in southeast Greenland due to rapid ice mass loss, Geophys. Res. Lett., 34, L21701, doi:10.1029/2007GL031468.
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