On the Relationship between the North Pacific Climate Variability and the Central Pacific El Nino
Yeh, Sang-Wook; Wang, Xin; Wang, Chunzai; Dewitte, Boris; swyeh@hanyang.ac.kr
2015
发表期刊JOURNAL OF CLIMATE
卷号28期号:2页码:663-677
摘要This study examined connections between the North Pacific climate variability and occurrence of the central Pacific (CP) El Nino for the period from 1950 to 2012. A composite analysis indicated that the relationship between the North Pacific sea surface temperature (SST), along with its overlying atmospheric circulation, and the CP El Nino during the developing and mature phases was changed when the occurrence frequency of the CP El Nino significantly increased after 1990. Empirical orthogonal function (EOF) and singular value decomposition (SVD) analyses of variability in the tropical Pacific and its relationship to the North Pacific show that the North Pacific anomalous SST and the atmospheric variability are more closely associated with the occurrence of the CP El Nino after 1990 than before 1990. There were noticeable differences in terms of the atmospheric variability conditions over the North Pacific, such as the North Pacific Oscillation (NPO)-like atmospheric variability during the spring and its associated SST anomalies during the following winter before 1990 and after 1990. In addition, combined EOF analysis also indicated that the NPO-like atmospheric circulation becomes more effective at playing a role in initiating El Nino after 1990. Consequently, such a change might have been associated with the frequent occurrence of the CP El Nino after 1990.
部门归属[Yeh, Sang-Wook] Hanyang Univ, Dept Marine Sci & Convergent Technol, Ansan 426791, South Korea; [Wang, Xin] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Wang, Chunzai] NOAA, Atlantic Oceanog & Meteorol Lab, Miami, FL 33149 USA; [Dewitte, Boris] Lab Etudes Geophys & Oceanog Spatiales, Toulouse, France ; LTO
学科领域Meteorology & Atmospheric Sciences
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15016
专题热带海洋环境国家重点实验室(LTO)
通讯作者swyeh@hanyang.ac.kr
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GB/T 7714
Yeh, Sang-Wook,Wang, Xin,Wang, Chunzai,et al. On the Relationship between the North Pacific Climate Variability and the Central Pacific El Nino[J]. JOURNAL OF CLIMATE,2015,28(2):663-677.
APA Yeh, Sang-Wook,Wang, Xin,Wang, Chunzai,Dewitte, Boris,&swyeh@hanyang.ac.kr.(2015).On the Relationship between the North Pacific Climate Variability and the Central Pacific El Nino.JOURNAL OF CLIMATE,28(2),663-677.
MLA Yeh, Sang-Wook,et al."On the Relationship between the North Pacific Climate Variability and the Central Pacific El Nino".JOURNAL OF CLIMATE 28.2(2015):663-677.
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