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Simulations of the Greenland ice sheet 100 years into the future with the full Stokes model Elmer/Ice

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Title: Simulations of the Greenland ice sheet 100 years into the future with the full Stokes model Elmer/Ice
Authors: Seddik, Hakime Browse this author
Greve, Ralf Browse this author →KAKEN DB
Zwinger, Thomas Browse this author
Gillet-Chaulet, Fabien Browse this author
Gagliardini, Olivier Browse this author
Issue Date: Jun-2012
Publisher: International Glaciological Society
Journal Title: Journal of Glaciology
Volume: 58
Issue: 209
Start Page: 427
End Page: 440
Publisher DOI: 10.3189/2012JoG11J177
Abstract: It is likely that climate change will have a significant impact on the mass balance of the Greenland ice sheet, contributing to future sea-level rise. Here we present the implementation of the full Stokes model Elmer/Ice for the Greenland ice sheet, which includes a mesh refinement technique in order to resolve fast-flowing ice streams and outlet glaciers. We discuss simulations 100 years into the future, forced by scenarios defined by the SeaRISE (Sea-level Response to Ice Sheet Evolution) community effort. For comparison, the same experiments are also run with the shallow-ice model SICOPOLIS (Simulation COde for POLythermal Ice Sheets). We find that Elmer/Ice is ∼43% more sensitive (exhibits a larger loss of ice-sheet volume relative to the control run) than SICOPOLIS for the ice-dynamic scenario (doubled basal sliding), but ∼61% less sensitive for the direct global warming scenario (based on the A1B moderate-emission scenario for greenhouse gases). The scenario with combined A1B global warming and doubled basal sliding forcing produces a Greenland contribution to sea-level rise of ∼15 cm for Elmer/Ice and ∼12 cm for SICOPOLIS over the next 100 years.
Rights: © 2012 International Glaciological Society
Type: article
Appears in Collections:低温科学研究所 (Institute of Low Temperature Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: Hakime Seddik

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