| Abnormality of the monsoon wind in the sea area along the southeastern coast of China and the response of the northern area of the South China Sea during the ENSO events |
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| 作者姓名： | Liu Zanpei Song Wanxian Lin Shaohu Zhang Dongsheng |
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| 作者单位： | First Insititute of Oceanography, State Oceanic Administration, P. O. Box 98., Qingdao 266003, China;First Insititute of Oceanography, State Oceanic Administration, P. O. Box 98., Qingdao 266003, China;First Insititute of Oceanography, State Oceanic Administration, P. O. Box 98., Qingdao 266003, China;Marine Scientific and Technological Data Center, Tianjin 300171, China |
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| 摘 要： | Variations of monsoon wind field in the sea area along the southeastern coast of China during the ENSO events and its influence on the sea level and sea surface temperature (SST) are explored mainly on the basis of the data of monthly mean wind at 850 hPa and five coastal stations during 1973-1987. The results from the analyses of the data and theoretical estimation show that the southwest wind anomalies appeared in the study area during the events, and northeast wind anomalies occurred in general before the events. With the coastline of the area being parallel basically to the direction of the wind, an Ekman transport will result in an accumulation of the water near the coast or a departure of the water from the coast. As a result , the sea level and SST there will be affected markedly. During the events, southwest wind will intensify in the summer, and northeast wind will weaken in the winter. Their total effect is that a large negative anomaly of the sea level and SST will occur. The estimations indi
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| 收稿时间： | 6/5/1991 12:00:00 AM |
| 修稿时间： | 1991/7/15 0:00:00 |
Abnormality of the monsoon wind in the sea area along the southeastern coast of China and the response of the northern area of the South China Sea during the ENSO events |
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| Liu Zanpei,Song Wanxian,Lin Shaohu,Zhang Dongsheng.Abnormality of the monsoon wind in the sea area along the southeastern coast of China and the response of the northern area of the South China Sea during the ENSO events[J].Acta Oceanologica Sinica,1992,11(3):389-400. |
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| Authors: | Liu Zanpei Song Wanxian Lin Shaohua and Zhang Dongsheng |
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| Institution: | 1.First Insititute of Oceanography, State Oceanic Administration, P. O. Box 98., Qingdao 266003, China2.Marine Scientific and Technological Data Center, Tianjin 300171, China |
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| Abstract: | Variations of monsoon wind field in the sea area along the southeastern coast of China during the ENSO events and its influence on the sea level and sea surface temperature (SST) are explored mainly on the basis of the data of monthly mean wind at 850 hPa and five coastal stations during 1973-1987. The results from the analyses of the data and theoretical estimation show that the southwest wind anomalies appeared in the study area during the events, and northeast wind anomalies occurred in general before the events. With the coastline of the area being parallel basically to the direction of the wind, an Ekman transport will result in an accumulation of the water near the coast or a departure of the water from the coast. As a result, the sea level and SST there will be affected markedly. During the events, southwest wind will intensify in the summer, and northeast wind will weaken in the winter. Their total effect is that a large negative anomaly of the sea level and SST will occur. The estimations indicate that the monsoon wind is stronger in the summer and weaker in the winter than the normal by 1~1.5 m/s during the events, and this anomaly will cause a decrease of the sea level by 7~11 cm.Changes of the wind field,therefore, is mainly responsible for a large negative anomalies of the sea level and SST there during the ENSO events. |
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