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Coupled simulations of Greenland Ice Sheet and climate change up to A.D. 2300

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タイトル: Coupled simulations of Greenland Ice Sheet and climate change up to A.D. 2300
著者: Vizcaino, Miren 著作を一覧する
Mikolajewicz, Uwe 著作を一覧する
Ziemen, Florian 著作を一覧する
Rodehacke, Christian B. 著作を一覧する
Greve, Ralf 著作を一覧する
van den Broeke, Michiel R. 著作を一覧する
発行日: 2015年 5月19日
出版者: American Geophysical Union
誌名: Geophysical Research Letters
巻: 42
号: 10
開始ページ: 3927
終了ページ: 3935
出版社 DOI: 10.1002/2014GL061142
抄録: Recent observations indicate a high sensitivity of the Greenland Ice Sheet (GrIS) to climate change. We examine the coupling between the GrIS surface mass balance, elevation, and dynamical flow with one of the few coupled GrIS and atmosphere-ocean general circulation models. Bidirectional coupling from the early Holocene reveals a growing present-day GrIS in the absence of anthropogenic forcing. We identify atmospheric sources of biases in the simulated present-day GrIS and assess the GrIS sensitivity to future greenhouse gas forcing through three Representative Concentration Pathways and their extensions and to climate variability. The elevation-surface mass balance feedback contributes to future GrIS mass loss with 8–11% (by 2100), depending on the forcing scenario, and 24–31% (by 2300). Climate variability causes a 2.5 times spread in the magnitude of the simulated present-day GrIS mass trends in a three-member ensemble. Our results represent a first step toward more advanced higher resolution coupled modeling of GrIS and climate evolution.
Rights: An edited version of this paper was published by AGU. Copyright 2015 American Geophysical Union. Miren Vizcaino, Uwe Mikolajewicz, Florian Ziemen, Christian B. Rodehacke, Ralf Greve and Michiel R. van den  Broeke, 2015,Coupled simulations of Greenland Ice Sheet and climate change up to A.D. 2300,Geophysical Research Letters,42,3927–3935, (DOI)10.1002/2014GL061142. To view the published open abstract, go to http://dx.doi.org and enter the DOI.
資料タイプ: article
URI: http://hdl.handle.net/2115/61466
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: Greve Ralf

 

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