globalchange  > 气候变化与战略
DOI: 10.5194/tc-14-2283-2020
论文题名:
Results of the third Marine Ice Sheet Model Intercomparison Project (MISMIP+)
作者: Cornford S.L.; Seroussi H.; Asay-Davis X.S.; Hilmar Gudmundsson G.; Arthern R.; Borstad C.; Christmann J.; DIas Dos Santos T.; Feldmann J.; Goldberg D.; Hoffman M.J.; Humbert A.; Kleiner T.; Leguy G.; Lipscomb W.H.; Merino N.; Durand G.; Morlighem M.; Pollard D.; Rückamp M.; Rosie Williams C.; Yu H.
刊名: Cryosphere
ISSN: 19940416
出版年: 2020
卷: 14, 期:7
起始页码: 2283
结束页码: 2301
语种: 英语
英文摘要: We present the result of the third Marine Ice Sheet Model Intercomparison Project, MISMIP+. MISMIP+ is intended to be a benchmark for ice-flow models which include fast sliding marine ice streams and floating ice shelves and in particular a treatment of viscous stress that is sufficient to model buttressing, where upstream ice flow is restrained by a downstream ice shelf. A set of idealized experiments first tests that models are able to maintain a steady state with the grounding line located on a retrograde slope due to buttressing and then explore scenarios where a reduction in that buttressing causes ice stream acceleration, thinning, and grounding line retreat. The majority of participating models passed the first test and then produced similar responses to the loss of buttressing. We find that the most important distinction between models in this particular type of simulation is in the treatment of sliding at the bed, with other distinctions - notably the difference between the simpler and more complete treatments of englacial stress but also the differences between numerical methods - taking a secondary role. © 2020 Wolters Kluwer Medknow Publications. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164434
Appears in Collections:气候变化与战略

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作者单位: Centre for Polar Observation and Modelling, Department of Geography, Swansea University, Swansea, United Kingdom; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; Los Alamos National Laboratory, Los Alamos, NM, United States; Faculty of Engineering and Environment, Northumbria University, Newcastle, United Kingdom; British Antarctic Survey, Cambridge, United Kingdom; Department of Civil Engineering, Montana State University, Bozeman, MT, United States; Alfred Wegener Institute for Polar and Marine Research, Bremerhaven, Germany; Department of Earth System Science, University of California, Irvine, CA, United States; Centro Polar e Climático, Universidade Federal Do Rio Grande Do sul, Porto Alegre RS, Brazil; Potsdam Institute for Climate Impact Research, Potsdam, Germany; Institute of Geography, University of Edinburgh, United Kingdom; Faculty of Geosciences, University of Bremen, Bremen, Germany; Climate and Global Dynamics Laboratory, National Center for Atmospheric Research, Boulder, CO, United States; Université Grenoble Alpes, CNRS, IRD, IGE, Grenoble, France; Earth and Environmental Systems Institute, Pennsylvania State University, University Park, PA, United States

Recommended Citation:
Cornford S.L.,Seroussi H.,Asay-Davis X.S.,et al. Results of the third Marine Ice Sheet Model Intercomparison Project (MISMIP+)[J]. Cryosphere,2020-01-01,14(7)
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