Intrusion of the Kuroshio into the South China Sea,in September 2008 |
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| Authors: | Gengxin Chen Po Hu Yijun Hou Xiaoqing Chu |
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| Institution: | (1) Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academic of Science, 7 Nanhai Road, Qingdao, 266071, Shandong, People’s Republic of China;(2) State Key Laboratory of Oceanography in the Tropics, South China Sea Institute of Oceanology, Chinese Academic of Science, 164 West Xingang Road, Guangzhou, 510301, Guangdong, People’s Republic of China |
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| Abstract: | Using widespread conductivity–temperature–depth (CTD) data in the Philippine Sea and northern South China Sea near the Luzon
Strait together with altimeter data, we identified an intrusion of water from the Kuroshio into the South China Sea (SCS)
through the Luzon Strait in September 2008. The Kuroshio water obviously intruded into the SCS from 20 to 21°N, and existed
mainly in the upper 300 m. The intrusion water extended as far west as 117°E, then looped around in an anticyclonic eddy and
returned to the Philippine Sea further north. The dynamics of the Kuroshio intrusion are discussed using a 1.5-layer nonlinear
shallow-water reduced-gravity model. The analysis suggests that the strong cyclonic eddy to the east of the Kuroshio in September
2008 was of benefit to the intrusion event. |
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