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DOI	10.1175/JCLI-D-18-0180.1
	Decomposition of the atlantic multidecadal variability in a historical climate simulation
	Colfescu I.; Schneider E.K.
发表日期	2020
ISSN	0894-8755
起始页码	4229
结束页码	4254
卷号	33 期号:10
英文摘要	The Atlantic multidecadal variability (AMV) modulates various climate features worldwide with enormous societal and economic implications, including variations in hurricane activity in the Atlantic, sea level, West African and Indian monsoon rainfall, European climate, and hemispheric-scale surface temperature. Leading hypotheses regarding the nature and origin of AMV focus primarily on its links with oceanic and coupled ocean-atmosphere internal variability, and on its response to external forcing. The role of another possible process, that of atmospheric noise forcing of the ocean, has received less attention. This is addressed here by means of historical coupled simulations and diagnostic experiments, which isolate the influences of external and atmospheric noise forcings. Our findings show that external forcing is an important driver of the simulated AMV. They also demonstrate that weather noise is key in driving the simulated internal AMV in the southern part (08-608N) of the AMV region, and that weather noise forcing is responsible for up to 10%-20% of the multidecadal internal SST variability in some isolated areas of the subpolar gyre region. Ocean dynamics independent from the weather noise forcing is found to be the dominant cause of multidecadal SST in the northern part of the AMV region. © 2020 American Meteorological Society
英文关键词	Atmospherics; Coupled simulation; Economic implications; Hurricane activity; Indian monsoon rainfall; Internal variability; Multidecadal variability; Response to external forcing; Surface temperatures; Sea level; air-sea interaction; Atlantic Multidecadal Oscillation; climate change; climate modeling; decomposition analysis; gyre; rainfall; sea level; sea surface temperature; Atlantic Ocean; India; West Africa
语种	英语
来源期刊	Journal of Climate
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/171310
作者单位	National Centre for Atmospheric Science, School of Earth and Environment, University of Leeds, Leeds, United Kingdom; Department of Atmospheric, Oceanic and Earth Sciences, George Mason University, Fairfax, VA, United States
推荐引用方式 GB/T 7714	Colfescu I.,Schneider E.K.. Decomposition of the atlantic multidecadal variability in a historical climate simulation[J],2020,33(10).
APA	Colfescu I.,&Schneider E.K..(2020).Decomposition of the atlantic multidecadal variability in a historical climate simulation.Journal of Climate,33(10).
MLA	Colfescu I.,et al."Decomposition of the atlantic multidecadal variability in a historical climate simulation".Journal of Climate 33.10(2020).