globalchange  > 气候减缓与适应
DOI: 10.1038/s41561-018-0059-y
论文题名:
Consistency and discrepancy in the atmospheric response to Arctic sea-ice loss across climate models
作者: Screen J.A.; Deser C.; Smith D.M.; Zhang X.; Blackport R.; Kushner P.J.; Oudar T.; McCusker K.E.; Sun L.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2018
卷: 11, 期:3
起始页码: 155
结束页码: 163
语种: 英语
英文摘要: The decline of Arctic sea ice is an integral part of anthropogenic climate change. Sea-ice loss is already having a significant impact on Arctic communities and ecosystems. Its role as a cause of climate changes outside of the Arctic has also attracted much scientific interest. Evidence is mounting that Arctic sea-ice loss can affect weather and climate throughout the Northern Hemisphere. The remote impacts of Arctic sea-ice loss can only be properly represented using models that simulate interactions among the ocean, sea ice, land and atmosphere. A synthesis of six such experiments with different models shows consistent hemispheric-wide atmospheric warming, strongest in the mid-to-high-latitude lower troposphere; an intensification of the wintertime Aleutian Low and, in most cases, the Siberian High; a weakening of the Icelandic Low; and a reduction in strength and southward shift of the mid-latitude westerly winds in winter. The atmospheric circulation response seems to be sensitive to the magnitude and geographic pattern of sea-ice loss and, in some cases, to the background climate state. However, it is unclear whether current-generation climate models respond too weakly to sea-ice change. We advocate for coordinated experiments that use different models and observational constraints to quantify the climate response to Arctic sea-ice loss. © 2018 Macmillan Publishers Limited, part of Springer Nature [2018].
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/105600
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, United Kingdom; Climate and Global Dynamics, National Center for Atmospheric Research, Boulder, CO, United States; Met Office Hadley Centre, Exeter, United Kingdom; International Arctic Research Center and Department of Atmospheric Sciences, University of Alaska Fairbanks, Fairbanks, AK, United States; Department of Physics, University of Toronto, Toronto, ON, Canada; Department of Atmospheric Sciences, University of Washington, Seattle, WA, United States; Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder and NOAA Earth System Research Laboratory, Boulder, CO, United States

Recommended Citation:
Screen J.A.,Deser C.,Smith D.M.,et al. Consistency and discrepancy in the atmospheric response to Arctic sea-ice loss across climate models[J]. Nature Geoscience,2018-01-01,11(3)
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