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

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Title: Coupled simulations of Greenland Ice Sheet and climate change up to A.D. 2300
Authors: Vizcaino, Miren Browse this author
Mikolajewicz, Uwe Browse this author
Ziemen, Florian Browse this author
Rodehacke, Christian B. Browse this author
Greve, Ralf Browse this author →KAKEN DB
van den Broeke, Michiel R. Browse this author
Issue Date: 19-May-2015
Publisher: American Geophysical Union
Journal Title: Geophysical Research Letters
Volume: 42
Issue: 10
Start Page: 3927
End Page: 3935
Publisher DOI: 10.1002/2014GL061142
Abstract: 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.
Type: article
URI: http://hdl.handle.net/2115/61466
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: Greve Ralf

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