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Insights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project I: Antarctica

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Title: Insights into spatial sensitivities of ice mass response to environmental change from the SeaRISE ice sheet modeling project I: Antarctica
Authors: Nowicki, Sophie Browse this author
Bindschadler, Robert A. Browse this author
Abe-Ouchi, Ayako Browse this author
Aschwanden, Andy Browse this author
Bueler, Ed Browse this author
Choi, Hyeungu Browse this author
Fastook, Jim Browse this author
Granzow, Glen Browse this author
Greve, Ralf Browse this author →KAKEN DB
Gutowski, Gail Browse this author
Herzfeld, Ute Browse this author
Jackson, Charles Browse this author
Johnson, Jesse Browse this author
Khroulev, Constantine Browse this author
Larour, Eric Browse this author
Levermann, Anders Browse this author
Lipscomb, William H. Browse this author
Martin, Maria A. Browse this author
Morlighem, Mathieu Browse this author
Parizek, Byron R. Browse this author
Pollard, David Browse this author
Price, Stephen F. Browse this author
Ren, Diandong Browse this author
Rignot, Eric Browse this author
Saito, Fuyuki Browse this author
Sato, Tatsuru Browse this author
Seddik, Hakime Browse this author
Seroussi, Helene Browse this author
Takahashi, Kunio Browse this author
Walker, Ryan Browse this author
Wang, Wei Li Browse this author
Issue Date: 12-Jun-2013
Publisher: American Geophysical Union
Journal Title: Journal of Geophysical Research: Earth Surface
Volume: 118
Issue: 2
Start Page: 1002
End Page: 1024
Publisher DOI: 10.1002/jgrf.20081
Abstract: [1] Atmospheric, oceanic, and subglacial forcing scenarios from the Sea-level Response to Ice Sheet Evolution (SeaRISE) project are applied to six three-dimensional thermomechanical ice-sheet models to assess Antarctic ice sheet sensitivity over a 500 year timescale and to inform future modeling and field studies. Results indicate (i) growth with warming, except within low-latitude basins (where inland thickening is outpaced by marginal thinning); (ii) mass loss with enhanced sliding (with basins dominated by high driving stresses affected more than basins with low-surface-slope streaming ice); and (iii) mass loss with enhanced ice shelf melting (with changes in West Antarctica dominating the signal due to its marine setting and extensive ice shelves; cf. minimal impact in the Terre Adelie, George V, Oates, and Victoria Land region of East Antarctica). Ice loss due to dynamic changes associated with enhanced sliding and/or sub-shelf melting exceeds the gain due to increased precipitation. Furthermore, differences in results between and within basins as well as the controlling impact of sub-shelf melting on ice dynamics highlight the need for improved understanding of basal conditions, grounding-zone processes, ocean-ice interactions, and the numerical representation of all three.
Rights: Copyright 2013 American Geophysical Union. All Rights Reserved.
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: Greve Ralf

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OAI-PMH ( junii2 , jpcoar )


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