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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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タイトル: Simulations of the Greenland ice sheet 100 years into the future with the full Stokes model Elmer/Ice
著者: Seddik, Hakime 著作を一覧する
Greve, Ralf 著作を一覧する
Zwinger, Thomas 著作を一覧する
Gillet-Chaulet, Fabien 著作を一覧する
Gagliardini, Olivier 著作を一覧する
発行日: 2012年 6月
出版者: International Glaciological Society
誌名: Journal of Glaciology
巻: 58
号: 209
開始ページ: 427
終了ページ: 440
出版社 DOI: 10.3189/2012JoG11J177
抄録: 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
Relation (URI): http://www.igsoc.org/
資料タイプ: article
URI: http://hdl.handle.net/2115/50786
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: Hakime Seddik

 

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