| Relationship between Indian Ocean dipole and ENSO and their connection with the onset of South China Sea summer monsoon |
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| 作者姓名： | LIANG Zhaoning WEN Zhiping LIANG Jieyi WU Liji WU Naigeng |
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| 作者单位： | LIANG Zhaoning1，WEN Zhiping 1*，LIANG Jieyi1，WU Liji1，WU Naigeng1 1.Research Center for Monsoon and Environment/Department of Atmospheric Sciences，Sun Yat-sen University，Guangzhou 510275，China |
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| 基金项目： | 国家自然科学基金;国家重点基础研究发展计划(973计划) |
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| 摘 要： | 1Introduction Indian Ocean dipole(IOD),a kind of localcharacteristics of variation of sea surface temperature(SST)in the Indian Ocean,behaves with an oppo-site SSTA symbol between the east and west parts ofthe tropical Indian Ocean(Yu and Liu,2004;Rongand…
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| 关 键 词： | 印度洋 季风 海洋气候 偶极 |
| 收稿时间： | 2006-02-07 |
| 修稿时间： | 2006-07-15 |
Relationship between Indian Ocean dipole and ENSO and their connection with the onset of South China Sea summer monsoon |
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| LIANG Zhaoning,WEN Zhiping,LIANG Jieyi,WU Liji,WU Naigeng.Relationship between Indian Ocean dipole and ENSO and their connection with the onset of South China Sea summer monsoon[J].Acta Oceanologica Sinica,2006,25(6):22-32. |
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| Authors: | LIANG Zhaoning WEN Zhiping LIANG Jieyi WU Liji and WU Naigeng |
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| Institution: | Research Center for Monsoon and Environment/Department of Atmospheric Sciences, Sun Yat-sen University, Guangzhou 510275, China |
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| Abstract: | Using Reynolds and Smith 1950～1998 re-constructed monthly-mean SST to discuss the relationship between the ENSO and Indian Ocean dipole (IOD) and their possible connection with the onset of South China Sea summer monsoon(SCSSM), the results are obtained as follows: Most of IOD events have a closely positive relation to simultaneous ENSO events in summer and autumn. IOD events in autumn (mature phase) are also closely related to ENSO events in winter (mature phase). When these two kinds of events happen in phase, I.e., positive (negative) IOD events are coupled with El Nino (La Nina) events, they are always followed by late (or early) onsets of SCSSM. On the contrary, when these two kinds of events happen out of phase, I.e. Positive (negative) IOD events are coupled with La Nina (El Nino) events, they are followed by normal onsets of SCSSM. In addition, single IOD events or single ENSO events cannot correspond well to the abnormal onset of SCSSM. |
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| Keywords: | Indian Ocean dipole ENSO South China Sea summer monsoon early or late onset |
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