Southern ocean SST variability and its relationship with ENSO on inter-decadal time scales
[Yan Li; Du Yan; Zhang Lan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; duyan@scsio.ac.cn
2013
发表期刊JOURNAL OF OCEAN UNIVERSITY OF CHINA
ISSN1672-5182
卷号12期号:2页码:287-294
摘要Empirical orthogonal function (EOF) analysis reveals a co-variability of Sea surface temperatures (SSTs) in the Southern Hemisphere (0A degrees-60A degrees S). In the South Indian and Atlantic Oceans, there is a subtropical dipole pattern slanted in the southwest-northeast direction. In the South Pacific Ocean, a meridional tripole structure emerges, whose middle pole co-varies with the dipoles in the South Indian and Atlantic Oceans and is used in this study to track subtropical Pacific variability. The South Indian and Atlantic Ocean dipoles and the subtropical Pacific variability are phase-locked in austral summer. On the inter-decadal time scales, the dipoles in the South Indian and Atlantic Oceans weaken in amplitude after 1979/1980. No such weakening is found in the subtropical South Pacific Ocean. Interestingly, despite the reduced amplitude, the correlation of the Indian Ocean and Atlantic dipoles with El Nio and Southern Oscillation (ENSO) are enhanced after 1979/1980. The same increase in correlation is found for subtropical South Pacific variability after 1979/1980. These inter-decadal modulations imply that the Southern Hemisphere participates in part of the climate shift in the late 1970s. The correlation between Southern Hemisphere SST and ENSO reduces after 2000.
部门归属LTO
关键词Southern Ocean Sst Enso Subtropical Dipole Inter-decadal Time Scales
学科领域Oceanography
资助者This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404).
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资助者This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404). ; This work is jointly supported by the National Basic Research Program (2012CB955603, 2010CB950302), National High Technology Research and Development Program of China (No. 2010AA012304), and the Knowledge Innovation Program of the Chinese Academy of Sciences (SQ201006 and XDA05090404).
WOS记录号WOS:000318300200013
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10911
专题热带海洋环境国家重点实验室(LTO)
通讯作者duyan@scsio.ac.cn
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GB/T 7714
[Yan Li,Du Yan,Zhang Lan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China,et al. Southern ocean SST variability and its relationship with ENSO on inter-decadal time scales[J]. JOURNAL OF OCEAN UNIVERSITY OF CHINA,2013,12(2):287-294.
APA [Yan Li,Du Yan,Zhang Lan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China,&duyan@scsio.ac.cn.(2013).Southern ocean SST variability and its relationship with ENSO on inter-decadal time scales.JOURNAL OF OCEAN UNIVERSITY OF CHINA,12(2),287-294.
MLA [Yan Li,et al."Southern ocean SST variability and its relationship with ENSO on inter-decadal time scales".JOURNAL OF OCEAN UNIVERSITY OF CHINA 12.2(2013):287-294.
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