Detailed structure of the Kuroshio frontal eddy along the shelf edge of the East China Sea |
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| Institution: | 1. Research Institute for Applied Mechanics, Kyushu University, Kasuga 816, Japan;2. Shin-Nippon Meteorological and Oceanographical Consultant Co. Ltd., Edobori, Nishi-Ku Osaka 550, Japan;3. Korea Ocean Research and Development Institute, Ansan 29, 425-600 Seoul, South Korea;1. Graduate School of Frontier Science, The University of Tokyo, Chiba, Japan;2. Atmosphere and Ocean Research Institute, The University of Tokyo, Chiba, Japan;3. Japan Sea National Fisheries Research Institute, Japan Fisheries Research and Education Agency, Niigata, Japan;1. Consiglio Nazionale delle Ricerche – Istituto per lo studio degli impatti Antropici e Sostenibilità in ambiente marino (CNR- IAS), SS di Capo Granitola, Via del Mare, 3, 91021, Campobello di Mazara, TP, Italy;2. NOAA Fisheries, Northeast Fisheries Science Center, Woods Hole, MA, USA;3. Consiglio Nazionale delle Ricerche - Istituto di Scienze Marine, Napoli, Italy |
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| Abstract: | The detailed three-dimensional structure of the Kuroshio frontal eddy along the shelf edge of the East China Sea is revealed by the CTD, ADCP, and satellite-tracked drifter observations. The length and width of the cold core of the Kuroshio frontal eddy are about 60 and 40 km, respectively, and its phase speed is about 30 cm s-1. The calculated buoy tracks with the use of the observed ADCP data well reproduce the observed tracks of satellite-tracked drifters around the frontal eddy. The observed maximum horizontal velocity around this frontal eddy are 40 cm s-1 and the center of this eddy shifts offshore in the deep layer. Nutrient is advected onshore across the shelf edge by passing of this frontal eddy while it is advected offshore without the frontal eddy at the shelf edge. |
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