The Kuroshio East of Taiwan and in the East China Sea and the currents East of Ryukyu Islands during early summer of 1996 |
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Authors: | Yaochu Yuan Arata Kaneko Jilan Su Xiaohua Zhu Yonggang Liu Noriaki Gohda Hong Chen |
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Institution: | (1) Second Institute of Oceanography, SOA, 310012 Hangzhou, China;(2) Department of Environmental Sciences, Faculty of Engineering, Hiroshima University, 739 Higashi-Hiroshima, Japan |
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Abstract: | Using hydrographic data and moored current meter records and the ADCP observed current data during May–June 1996, a modified
inverse method is applied to calculate the Kuroshio east of Taiwan and in the East China Sea and the currents east of Ryukyu
Islands. There are three branches of the Kuroshio east of Taiwan. The Kuroshio in the East China Sea comes from the main (first)
and second branches of the Kuroshio east of Taiwan. The easternmost (third) branch of the Kuroshio flows northeastward to
the region east of Ryukyu Islands. The net northward volume transports of the Kuroshio through Section K2 southeast of Taiwan and Section PN in the East China Sea are 44.4×106 and 27.2×106 m3s−1, respectively. The western boundary current east of Ryukyu Islands comes from the easternmost branch of the Kuroshio east
of Taiwan and an anticyclonic recirculating gyre more east, making volume transports of 10 to 15×106 m3s−1. At about 21°N, 127°E southeast of Taiwan, there is a cold eddy which causes branching of the Kuroshio there. |
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Keywords: | Kuroshio east of Taiwan three branches Ryukyu Current recirculating gyre modified inverse method velocity measurement |
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