DOI: 10.1175/JCLI-D-16-0713.1
Scopus记录号: 2-s2.0-85017511950
论文题名: Seasonal modulations of El Niño-related atmospheric variability: Indo-Western Pacific Ocean feedback
作者: Xie S.-P. ; Zhou Z.-Q.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2017
卷: 30, 期: 9 起始页码: 3461
结束页码: 3472
语种: 英语
Scopus关键词: Atmospheric pressure
; Atmospheric structure
; Atmospheric temperature
; Atmospheric thermodynamics
; Climate change
; Climatology
; Modulation
; Nickel
; Surface waters
; Tropics
; Atmosphere-ocean interactions
; ENSO
; Interannual variability
; Seasonal cycle
; Seasonal variability
; Oceanography
英文摘要: The spatial structure of atmospheric anomalies associated with El Niño-Southern Oscillation varies with season because of the seasonal variations in sea surface temperature (SST) anomaly pattern and in the climatological basic state. The latter effect is demonstrated using an atmospheric model forced with a time-invariant pattern of El Niño warming over the equatorial Pacific. The seasonal modulation is most pronounced over the north Indian Ocean to northwest Pacific where the monsoonal winds vary from northeasterly in winter to southwesterly in summer. Specifically, the constant El Niño run captures the abrupt transition from a summer cyclonic to winter anticyclonic anomalous circulation over the northwest Pacific, in support of the combination mode idea that emphasizes nonlinear interactions of equatorial Pacific SST forcing and the climatological seasonal cycle. In post-El Niño summers when equatorial Pacific warming has dissipated, SST anomalies over the Indo-northwest Pacific Oceans dominate and anchor the coherent persisting anomalous anticyclonic circulation. A conceptual model is presented that incorporates the combination mode in the existing framework of regional Indo-western Pacific Ocean coupling. © 2017 American Meteorological Society. 资助项目: NSF, National Science Foundation
; CSC, China Scholarship Council
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/49672
Appears in Collections: 气候变化事实与影响
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作者单位: Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States; Physical Oceanography Laboratory, Cooperation and Innovation Center for Marine Science and Technology of Qingdao, Ocean University of China, Qingdao, China; Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
Recommended Citation:
Xie S.-P.,Zhou Z.-Q.. Seasonal modulations of El Niño-related atmospheric variability: Indo-Western Pacific Ocean feedback[J]. Journal of Climate,2017-01-01,30(9)