globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo2234
论文题名:
Recent Arctic amplification and extreme mid-latitude weather
作者: Cohen J.; Screen J.A.; Furtado J.C.; Barlow M.; Whittleston D.; Coumou D.; Francis J.; Dethloff K.; Entekhabi D.; Overland J.; Jones J.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2014
卷: 7, 期:9
起始页码: 627
结束页码: 637
语种: 英语
英文摘要: The Arctic region has warmed more than twice as fast as the global average-a phenomenon known as Arctic amplification. The rapid Arctic warming has contributed to dramatic melting of Arctic sea ice and spring snow cover, at a pace greater than that simulated by climate models. These profound changes to the Arctic system have coincided with a period of ostensibly more frequent extreme weather events across the Northern Hemisphere mid-latitudes, including severe winters. The possibility of a link between Arctic change and mid-latitude weather has spurred research activities that reveal three potential dynamical pathways linking Arctic amplification to mid-latitude weather: changes in storm tracks, the jet stream, and planetary waves and their associated energy propagation. Through changes in these key atmospheric features, it is possible, in principle, for sea ice and snow cover to jointly influence mid-latitude weather. However, because of incomplete knowledge of how high-latitude climate change influences these phenomena, combined with sparse and short data records, and imperfect models, large uncertainties regarding the magnitude of such an influence remain. We conclude that improved process understanding, sustained and additional Arctic observations, and better coordinated modelling studies will be needed to advance our understanding of the influences on mid-latitude weather and extreme events. © 2014 Macmillan Publishers Limited. 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/106536
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: Atmospheric and Environmental Research, Inc, Lexington, MA 02421, United States; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, Devon EX4 4QF, United Kingdom; Department of Environmental, Earth, and Atmospheric Sciences, University of Massachusetts Lowell, Lowell, MA 01854, United States; Climate Change Initiative, University of Massachusetts Lowell, Lowell, MA 01854, United States; Department of Civil and Environmental Engineering, Massachusetts Institute of Technology, Cambridge, MA, 02139, United States; Potsdam Institute for Climate Impact Research, Earth System Analysis, 14412 Potsdam, Germany; Institute for Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ 08901, United States; Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, AWI Potsdam 14473, Germany; Pacific Marine Environmental Laboratory, Seattle, WA 98115, United States

Recommended Citation:
Cohen J.,Screen J.A.,Furtado J.C.,et al. Recent Arctic amplification and extreme mid-latitude weather[J]. Nature Geoscience,2014-01-01,7(9)
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