globalchange  > 影响、适应和脆弱性
DOI: 10.5194/tc-12-1433-2018
Scopus记录号: 2-s2.0-85045918121
论文题名:
Design and results of the ice sheet model initialisation initMIP-Greenland: An ISMIP6 intercomparison
作者: Goelzer H; , Nowicki S; , Edwards T; , Beckley M; , Abe-Ouchi A; , Aschwanden A; , Calov R; , Gagliardini O; , Gillet-Chaulet F; , Golledge N; R; , Gregory J; , Greve R; , Humbert A; , Huybrechts P; , Kennedy J; H; , Larour E; , Lipscomb W; H; , Leclech S; , Lee V; , Morlighem M; , Pattyn F; , Payne A; J; , Rodehacke C; , Rückamp M; , Saito F; , Schlegel N; , Seroussi H; , Shepherd A; , Sun S; , Van De Wal R; , Ziemen F; A
刊名: Cryosphere
ISSN: 19940416
出版年: 2018
卷: 12, 期:4
起始页码: 1433
结束页码: 1460
语种: 英语
英文摘要: Earlier large-scale Greenland ice sheet sea-level projections (e.g. those run during the ice2sea and SeaRISE initiatives) have shown that ice sheet initial conditions have a large effect on the projections and give rise to important uncertainties. The goal of this initMIP-Greenland intercomparison exercise is to compare, evaluate, and improve the initialisation techniques used in the ice sheet modelling community and to estimate the associated uncertainties in modelled mass changes. initMIP-Greenland is the first in a series of ice sheet model intercomparison activities within ISMIP6 (the Ice Sheet Model Intercomparison Project for CMIP6), which is the primary activity within the Coupled Model Intercomparison Project Phase 6 (CMIP6) focusing on the ice sheets. Two experiments for the large-scale Greenland ice sheet have been designed to allow intercomparison between participating models of (1) the initial present-day state of the ice sheet and (2) the response in two idealised forward experiments. The forward experiments serve to evaluate the initialisation in terms of model drift (forward run without additional forcing) and in response to a large perturbation (prescribed surface mass balance anomaly); they should not be interpreted as sea-level projections. We present and discuss results that highlight the diversity of data sets, boundary conditions, and initialisation techniques used in the community to generate initial states of the Greenland ice sheet. We find good agreement across the ensemble for the dynamic response to surface mass balance changes in areas where the simulated ice sheets overlap but differences arising from the initial size of the ice sheet. The model drift in the control experiment is reduced for models that participated in earlier intercomparison exercises. © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75373
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Utrecht University, Institute for Marine and Atmospheric Research (IMAU), Utrecht, Netherlands; Laboratoire de Glaciologie, Université Libre de Bruxelles, Brussels, Belgium; NASA GSFC, Cryospheric Sciences Branch, Greenbelt, United States; School of Environment Earth and Ecosystem Sciences, Open University, Milton Keynes, UK, United Kingdom; Atmosphere Ocean Research Institute, University of Tokyo, Kashiwa, Japan; Geophysical Institute, University of Alaska Fairbanks, Fairbanks, United States; Potsdam Institute for Climate Impact Research, Potsdam, Germany; Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, Grenoble, France; Antarctic Research Centre, Victoria University of Wellington, Wellington, New Zealand; Department of Meteorology, University of Reading, Reading, United Kingdom; Met Office Hadley Centre, Exeter, United Kingdom; Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan; Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany; University of Bremen, Bremen, Germany; Vrije Universiteit Brussel, Brussels, Belgium; Climate Change Science Institute, Oak Ridge National Laboratory, Oak Ridge, United States; Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, United States; Los Alamos National Laboratory, Los Alamos, United States; National Center for Atmospheric Research, Boulder, United States; LSCE/IPSL, Laboratoire des Sciences du Climat et de l'Environnement, CEA-CNRS-UVSQ, Gif-sur-Yvette, France; University of Bristol, Bristol, United Kingdom; University of California Irvine, Irvine, United States; Danish Meteorological Institute, Copenhagen, Denmark; Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan; School of Earth and Environment, University of Leeds, Leeds, United Kingdom; Max Planck Institute for Meteorology, Hamburg, Germany; King's College London, Department of Geography, London, United Kingdom

Recommended Citation:
Goelzer H,, Nowicki S,, Edwards T,et al. Design and results of the ice sheet model initialisation initMIP-Greenland: An ISMIP6 intercomparison[J]. Cryosphere,2018-01-01,12(4)
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