globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-12-00678.1
Scopus记录号: 2-s2.0-84881636314
论文题名:
Indian Ocean Variability in the CMIP5 Multimodel Ensemble: The Basin Mode
作者: Du Y.; Xie S.-P.; Yang Y.-L.; Zheng X.-T.; Liu L.; Huang G.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期:18
起始页码: 7240
结束页码: 7266
语种: 英语
Scopus关键词: Anomalous winds ; Coupled Model Intercomparison Project ; Multi-model ensemble ; Multidecadal variations ; Ocean-atmosphere interactions ; Physical process ; Tropical Indian ocean ; Wind anomalies ; Atmospheric pressure ; Climate models ; Computer simulation ; Models ; Nickel ; Ocean currents ; atmosphere-ocean coupling ; atmospheric modeling ; climate modeling ; El Nino-Southern Oscillation ; ensemble forecasting ; Kelvin wave ; Rossby wave ; thermocline ; troposphere ; wind field ; Indian Ocean ; Indian Ocean (North) ; Indian Ocean (South) ; Indian Ocean (Tropical) ; Pacific Ocean ; Pacific Ocean (Northwest)
英文摘要: This study evaluates the simulation of the Indian Ocean Basin (IOB) mode and relevant physical processes in models from phase 5 of the Coupled Model Intercomparison Project (CMIP5). Historical runs from 20 CMIP5 models are available for the analysis. They reproduce the IOB mode and its close relationship to El Ni~no-Southern Oscillation (ENSO). Half of the models capture key IOB processes: a downwelling oceanic Rossby wave in the southern tropical Indian Ocean (TIO) precedes the IOB development in boreal fall and triggers an antisymmetric wind anomaly pattern across the equator in the following spring. The anomalous wind pattern induces a second warming in the north IndianOcean (NIO) through summer and sustains anticyclonic wind anomalies in the northwest Pacific by radiating a warm tropospheric Kelvin wave. The second warming in the NIO is indicative of ocean-atmosphere interaction in the interior TIO. More than half of the models display a double peak in NIO warming, as observed following El Ni~no, while the rest show only one winter peak. The intermodel diversity in the characteristics of the IOBmode seems related to the thermocline adjustment in the south TIO to ENSO-induced wind variations. Almost all the models show multidecadal variations in IOB variance, possiblymodulated by ENSO. © 2013 American Meteorological Society.
资助项目: NSFC, National Natural Science Foundation of China ; NSFC, National Natural Science Foundation of China ; NSF, National Science Foundation
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51667
Appears in Collections:气候变化事实与影响

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作者单位: State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China; International Pacific Research Center, Department of Meteorology, University of Hawai'i at Manoa, Honolulu, HI, United States; Physical Oceanography Laboratory, Ocean University of China, Qingdao, China; Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA, United States; Physical Oceanography Laboratory, Key Laboratory of Ocean-Atmosphere Interaction and Climate in Universities of Shandong, Ocean University of China, Qingdao, China; First Institute of Oceanography, State Oceanic Administration, Qingdao, China; Key Laboratory of Regional Climate-Environment Research for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China

Recommended Citation:
Du Y.,Xie S.-P.,Yang Y.-L.,et al. Indian Ocean Variability in the CMIP5 Multimodel Ensemble: The Basin Mode[J]. Journal of Climate,2013-01-01,26(18)
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