| Xu Jianping,Su Jilan. 2000. Hydrological analysis of Kuroshio water intrusion into the South China Sea. Acta Oceanologica Sinica, (3):1－21 |
| Hydrological analysis of Kuroshio water intrusion into the South China Sea |
| Hydrological analysis of Kuroshio water intrusion into the South China Sea |
| Received:May 16, 1998 Revised:March 09, 1999 |
| DOI： |
| Key words:The South China Sea Kuroshio intrusion recycling water |
| 中文关键词: The South China Sea Kuroshio intrusion recycling water |
| 基金项目:This project was supported by the National Key Programme for Developing Basic Sciences-Research on the China Seashore Circulation Formation and Anomaly Mechanism,Numerical Prediction Model,and Influence on the Coastal Environment under contract No.G1999043800,also by the National Natural Science Foundation of China under contract No.49456001. |
| Author Name | Affiliation | | Xu Jianping | Key Lab of Ocean Dynamic Processes and Satellite Oceaography, State Oceanic Administration, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | | Su Jilan | Key Lab of Ocean Dynamic Processes and Satellite Oceaography, State Oceanic Administration, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China |
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| Abstract: |
| Using CTD and ADCP data collected by four research vessels from both sides of the Taiwan Strait in the northeastern area of the South China Sea in August-September 1994 and incorporating with CTD data collected in the same area in March 1992 and some historical hydrologic data,the water features and the intrusion of Kuroshio water into the South China Sea are discussed,which shows that the water mass distribution in the survey period was similar to that in the cruise of late winter and early spring (March 1992),that is,the water structure in the northeast of the sea and in the Northwest Pacific had their own independent features of temperature and salinity.Though the intrusion of Kuroshio water into the sea was found,it was very weak.Therefore there would be no direct Kuroshio branch into the sea in the late summer and early autumn.Even the Kuroshio water intrusion from the Bashi Channel into the Taiwan Strait,its influence was also very weak.Analysis of isopycnic surface and geostrophic current and the observed ADCP data show that there was a rather strong northward flow in the southeast part of the survey area which flowed northward along the west coast of Philippines,rounded the northwest comer of Luwn Island and then flowed north-eastward.Some kind of mixing with Kuroshio water was shown in the Bashi Channel.The water mass was obviously of high temperature and low salinity in winter and comparatively low temperature and low sainity in summer. |
| 中文摘要: |
Using CTD and ADCP data collected by four research vessels from both sides of the Taiwan Strait in the northeastern area of the South China Sea in August-September 1994 and incorporating with CTD data collected in the same area in March 1992 and some historical hydrologic data,the water features and the intrusion of Kuroshio water into the South China Sea are discussed,which shows that the water mass distribution in the survey period was similar to that in the cruise of late winter and early spring (March 1992),that is,the water structure in the northeast of the sea and in the Northwest Pacific had their own independent features of temperature and salinity.Though the intrusion of Kuroshio water into the sea was found,it was very weak.Therefore there would be no direct Kuroshio branch into the sea in the late summer and early autumn.Even the Kuroshio water intrusion from the Bashi Channel into the Taiwan Strait,its influence was also very weak.
Analysis of isopycnic surface and geostrophic current and the observed ADCP data show that there was a rather strong northward flow in the southeast part of the survey area which flowed northward along the west coast of Philippines,rounded the northwest comer of Luwn Island and then flowed north-eastward.Some kind of mixing with Kuroshio water was shown in the Bashi Channel.The water mass was obviously of high temperature and low salinity in winter and comparatively low temperature and low sainity in summer. |
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