| ZHANG Qilong,ZHOU Hui,LIU Hongwei.Interannual variability in the Mindanao Eddy and its impact on thermohaline structure pattern[J].Acta Oceanologica Sinica,2012,(6):56-65 |
| Interannual variability in the Mindanao Eddy and its impact on thermohaline structure pattern |
| Interannual variability in the Mindanao Eddy and its impact on thermohaline structure pattern |
| 投稿时间：2011-06-12 修订日期：2012-07-15 |
| DOI：10.1007/s13131-012-0247-3 |
| 中文关键词: the Mindanao Eddy interannual variability thermohaline structure ENSO |
| 英文关键词:the Mindanao Eddy interannual variability thermohaline structure ENSO |
| 基金项目:The National Basic Research Program of China "973" project under contract No. 2007CB816002; the innovative key project of Chinese Academy of Sciences under contract Nos KZCXZ-YW-201 and KZCX2-YW-Q11-02; the Fund of Key Laboratory of Global Change and Marine-Atmospheric Chemistry, SOA under contract No.GCMAC2010. |
| 作者 | 单位 | E-mail | | ZHANG Qilong | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Key Laboratory of Ocean Circulation and Waves(KLOCAW), Chinese Academy of Sciences, Qingdao 266071, China | qlzhang@ms.qdio.ac.cn | | ZHOU Hui | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Key Laboratory of Ocean Circulation and Waves(KLOCAW), Chinese Academy of Sciences, Qingdao 266071, China | | | LIU Hongwei | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Key Laboratory of Ocean Circulation and Waves(KLOCAW), Chinese Academy of Sciences, Qingdao 266071, China
University of Chinese Academy of Science, Beijing 100049, China | |
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| 中文摘要: |
| The major feature, interannual variability and variation cause of the Mindanao Eddy and its impact on the thermohaline structure are analyzed based on the Argo profiling float data, the history observed data and the SODA data. The analysis results show that the Mindanao Eddy is a permanent cyclonic meso-scale eddy and spreads vertically from about 500 m depth upward do about 50 m depth. In addition to its strong seasonal variability, the Mindanao Eddy displays a remarkable interannual variability associated with ENSO. It strengthens and expands eastward during El Nino ? while it weakens and retreats westward during La Nina. ? The interannual variability in the Mindanao Eddy may be caused by the North Equatorial Counter Current, the North Equatorial Current, the Mindanao Current and the Indonesian Through Flow. The eddy variability can have a great influence on the thermohaline structure pattern in the local upper ocean. When the eddy is strong, the cold and low salinity water inside the eddy moves violently upward from deep layer, the thermocline depth greatly shoals, and the subsurface high salinity water largely decreases,with the upper mixed layer becoming thinner, and vice versa. |
| 英文摘要: |
| The major feature, interannual variability and variation cause of the Mindanao Eddy and its impact on the thermohaline structure are analyzed based on the Argo profiling float data, the history observed data and the SODA data. The analysis results show that the Mindanao Eddy is a permanent cyclonic meso-scale eddy and spreads vertically from about 500 m depth upward do about 50 m depth. In addition to its strong seasonal variability, the Mindanao Eddy displays a remarkable interannual variability associated with ENSO. It strengthens and expands eastward during El Nino ? while it weakens and retreats westward during La Nina. ? The interannual variability in the Mindanao Eddy may be caused by the North Equatorial Counter Current, the North Equatorial Current, the Mindanao Current and the Indonesian Through Flow. The eddy variability can have a great influence on the thermohaline structure pattern in the local upper ocean. When the eddy is strong, the cold and low salinity water inside the eddy moves violently upward from deep layer, the thermocline depth greatly shoals, and the subsurface high salinity water largely decreases,with the upper mixed layer becoming thinner, and vice versa. |
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