DOI: 10.1175/JCLI-D-17-0810.1
Scopus记录号: 2-s2.0-85049746162
论文题名: AMO forcing of multidecadal pacific ITCZ variability
作者: Levine A.F.Z. ; Frierson D.M.W. ; McPhaden M.J.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2018
卷: 31, 期: 14 起始页码: 5749
结束页码: 5764
语种: 英语
英文关键词: Atmosphere-ocean interaction
; Decadal variability
; Energy transport
; Hadley circulation
; Multidecadal variability
Scopus关键词: Atmospheric thermodynamics
; Atmosphere-ocean interactions
; Decadal variability
; Energy transport
; Hadley circulation
; Multidecadal variability
; Climate models
; air temperature
; Atlantic Multidecadal Oscillation
; climate modeling
; decadal variation
; Hadley cell
; intertropical convergence zone
; Northern Hemisphere
; precipitation (climatology)
; Africa
; Pacific Ocean
; South America
英文摘要: The Atlantic multidecadal oscillation (AMO) has been shown to play a major role in the multidecadal variability of the Northern Hemisphere, impacting temperature and precipitation, including intertropical convergence zone (ITCZ)-driven precipitation across Africa and South America. Studies into the location of the intertropical convergence zone have suggested that it resides in the warmer hemisphere, with the poleward branch of the Hadley cell acting to transport energy from the warmer hemisphere to the cooler one. Given the impact of the Atlantic multidecadal oscillation on Northern Hemisphere temperatures, we expect the Atlantic multidecadal oscillation to have an impact on the location of the intertropical convergence zone. We find that the positive phase of the Atlantic multidecadal oscillation warms the Northern Hemisphere, resulting in a northward shift of the intertropical convergence zone, which is evident in the Pacific climate proxy record. Using a coupled climate model, we further find that the shift in the intertropical convergence zone is consistent with the surface energy imbalance generated by the Atlantic multidecadal oscillation. In this model, the Pacific changes are driven in large part by the warming of the tropical Atlantic and not the extratropical Atlantic. © 2018 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/111482
Appears in Collections: 气候减缓与适应
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作者单位: NOAA/Pacific Marine Environmental Laboratory, Seattle, WA, United States; Department of Atmospheric Science, University of Washington, Seattle, WA, United States
Recommended Citation:
Levine A.F.Z.,Frierson D.M.W.,McPhaden M.J.. AMO forcing of multidecadal pacific ITCZ variability[J]. Journal of Climate,2018-01-01,31(14)