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  ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century

Seroussi, H., Nowicki, S., Payne, A. J., Goelzer, H., Lipscomb, W. H., Abe Ouchi, A., Agosta, C., Albrecht, T., Asay-Davis, X., Barthel, A., Calov, R., Cullather, R., Dumas, C., Galton-Fenzi, B. K., Gladstone, R., Golledge, N. R., Gregory, J. M., Greve, R., Hatterman, T., Hoffman, M. J., Humbert, A., Huybrechts, P., Jourdain, N. C., Kleiner, T., Larour, E., Leguy, G. R., Lowry, D. P., Little, C. M., Morlighem, M., Pattyn, F., Pelle, T., Price, S. F., Quiquet, A., Reese, R., Schlegel, N.-J., Shepherd, A., Simon, E., Smith, R. S., Straneo, F., Sun, S., Trusel, L. D., Van Breedam, J., van de Wal, R. S. W., Winkelmann, R., Zhao, C., Zhang, T., & Zwinger, T. (2020). ISMIP6 Antarctica: a multi-model ensemble of the Antarctic ice sheet evolution over the 21st century. The Cryosphere, 14(9), 3033-3070. doi:10.5194/tc-14-3033-2020.

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資料種別: 学術論文

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:
23884oa.pdf (出版社版), 7MB
ファイル名:
23884oa.pdf
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公開
MIMEタイプ / チェックサム:
application/pdf / [MD5]
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著作権日付:
-
著作権情報:
-
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-

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説明:
This archive provides the scripts and routines.

作成者

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 作成者:
Seroussi, H.1, 著者
Nowicki, S.1, 著者
Payne, A. J.1, 著者
Goelzer, H.1, 著者
Lipscomb, W. H.1, 著者
Abe Ouchi, A.1, 著者
Agosta, C.1, 著者
Albrecht, Torsten2, 著者              
Asay-Davis, X.1, 著者
Barthel, A.1, 著者
Calov, Reinhard2, 著者              
Cullather, R.1, 著者
Dumas, C.1, 著者
Galton-Fenzi, B. K.1, 著者
Gladstone, R.1, 著者
Golledge, N. R.1, 著者
Gregory, J. M.1, 著者
Greve, R.1, 著者
Hatterman, T.1, 著者
Hoffman, M. J.1, 著者
全て表示
所属:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

内容説明

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キーワード: SPP 1158
 要旨: Ice flow models of the Antarctic ice sheet are commonly used to simulate its future evolution in response to different climate scenarios and assess the mass loss that would contribute to future sea level rise. However, there is currently no consensus on estimates of the future mass balance of the ice sheet, primarily because of differences in the representation of physical processes, forcings employed and initial states of ice sheet models. This study presents results from ice flow model simulations from 13 international groups focusing on the evolution of the Antarctic ice sheet during the period 2015–2100 as part of the Ice Sheet Model Intercomparison for CMIP6 (ISMIP6). They are forced with outputs from a subset of models from the Coupled Model Intercomparison Project Phase 5 (CMIP5), representative of the spread in climate model results. Simulations of the Antarctic ice sheet contribution to sea level rise in response to increased warming during this period varies between −7.8 and 30.0 cm of sea level equivalent (SLE) under Representative Concentration Pathway (RCP) 8.5 scenario forcing. These numbers are relative to a control experiment with constant climate conditions and should therefore be added to the mass loss contribution under climate conditions similar to present-day conditions over the same period. The simulated evolution of the West Antarctic ice sheet varies widely among models, with an overall mass loss, up to 18.0 cm SLE, in response to changes in oceanic conditions. East Antarctica mass change varies between −6.1 and 8.3 cm SLE in the simulations, with a significant increase in surface mass balance outweighing the increased ice discharge under most RCP 8.5 scenario forcings. The inclusion of ice shelf collapse, here assumed to be caused by large amounts of liquid water ponding at the surface of ice shelves, yields an additional simulated mass loss of 28 mm compared to simulations without ice shelf collapse. The largest sources of uncertainty come from the climate forcing, the ocean-induced melt rates, the calibration of these melt rates based on oceanic conditions taken outside of ice shelf cavities and the ice sheet dynamic response to these oceanic changes. Results under RCP 2.6 scenario based on two CMIP5 climate models show an additional mass loss of 0 and 3 cm of SLE on average compared to simulations done under present-day conditions for the two CMIP5 forcings used and display limited mass gain in East Antarctica.

資料詳細

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言語: eng - 英語
 日付: 2020-01-222020-06-102020-09-17
 出版の状態: Finally published
 ページ: -
 出版情報: -
 目次: -
 査読: 査読あり
 識別子(DOI, ISBNなど): DOI: 10.5194/tc-14-3033-2020
PIKDOMAIN: RD1 - Earth System Analysis
eDoc: 8946
Organisational keyword: RD1 - Earth System Analysis
MDB-ID: No MDB - stored outside PIK (see locators/paper)
Research topic keyword: Ice
Research topic keyword: Sea-level Rise
Research topic keyword: Tipping Elements
Model / method: PISM-PIK
Regional keyword: Arctic & Antarctica
Model / method: SICOPOLIS
Organisational keyword: RD4 - Complexity Science
Working Group: Ice Dynamics
 学位: -

関連イベント

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訴訟

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Project information

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出版物 1

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出版物名: The Cryosphere
種別: 学術雑誌, SCI, Scopus, p3, oa
 著者・編者:
所属:
出版社, 出版地: -
ページ: - 巻号: 14 (9) 通巻号: - 開始・終了ページ: 3033 - 3070 識別子(ISBN, ISSN, DOIなど): CoNE: https://publications.pik-potsdam.de/cone/journals/resource/140507
Publisher: Copernicus