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DOI	10.1016/j.accre.2018.03.001
	Response of North Pacific and North Atlantic decadal variability to weak global warming
	Wu S.; Liu Z.-Y.; Cheng J.; Li C.
发表日期	2018
ISSN	1674-9314
卷号	9 期号:2
英文摘要	The Pacific Decadal Oscillation (PDO) and the Atlantic Multidecadal Variability (AMV) are the two dominant low-frequency modes in the climate system. This research focused on the response of these two modes under weak global warming. Observational data were derived from the Hadley Center Sea Ice and Sea Surface Temperature dataset (HadISST) and coupled model outputs from the Coupled Model Intercomparison Project Phase 5 (CMIP5). Changes in PDO and AMV were examined using four models (bcc-csm1-1, CCSM4, IPSL-CM5A-LR, and MPI-ESM-LR) with long weak global warming scenarios (RCP2.6). These models captured the two low-frequency modes in both pre-industrial run and RCP2.6 run. Under weak global warming, the time scales of PDO and AMV significantly decreased while the amplitude only slightly decreased. Interestingly, the standard deviation of the North Pacific sea surface temperature anomaly (SSTA) decreased only in decadal time scale, and that of the North Atlantic SSTA decreased both in interannual and decadal time scales. The coupled system consists of a slow ocean component, which has a decadal time scale, and a fast atmospheric component, which is calculated by subtracting the decadal from the total. Results suggest that under global warming, PDO change is dominated by ocean dynamics, and AMV change is dominated by ocean dynamics and stochastic atmosphere forcing. © 2018 National Climate Center (China Meteorological Administration)
英文关键词	Atlantic multidecadal variability; Pacific decadal oscillation; RCP2.6
语种	英语
来源期刊	Advances in Climate Change Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/89170
作者单位	Laboratory for Climate and Ocean-Atmosphere Studies (LaCOAS) and Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, Beijing, 100871, China; Atmospheric Science Program, Department of Geography, Ohio State University, Columbus, 43210, United States; Key Laboratory of Meteorological Disaster, Ministry of Education (KLME)/Joint International Research Laboratory of Climate and Environment Chenge (ILCEC), Climate Dynamics Research Center, Nanjing University of Information Science and Technology, Nanjing, 210044, China; Physical Oceanography Lab, Ocean University of China, Qingdao, 266100, China
推荐引用方式 GB/T 7714	Wu S.,Liu Z.-Y.,Cheng J.,et al. Response of North Pacific and North Atlantic decadal variability to weak global warming[J],2018,9(2).
APA	Wu S.,Liu Z.-Y.,Cheng J.,&Li C..(2018).Response of North Pacific and North Atlantic decadal variability to weak global warming.Advances in Climate Change Research,9(2).
MLA	Wu S.,et al."Response of North Pacific and North Atlantic decadal variability to weak global warming".Advances in Climate Change Research 9.2(2018).