Convergence,divergence and vertical velocity at a tidal front in Hiuchi-Nada,Japan |
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| Authors: | Tetsuo Yanagi Koji Ishikawa Koh-ichi Inoue Satoshi Susami |
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| Institution: | (1) Department of Civil and Ocean Engineering, Ehime University, 790 Matsuyama, Japan;(2) Yuge National College of Maritime Technology, Yuge-cho, 794-25 Ochi-gun, Japan |
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| Abstract: | The detailed flow structure around a tical front in Hiuchi-Nada, Japan was observed with the use of ADCP (Acoustic Doppler Current Profiler). The surface convergence region is observed at the transition zone between vertically well mixed area and the stratified area. The surface divergence regions exist next to the surface convergence region. The strong downward current is estimated in the middle layer just below the surface convergence region. The maximum surface convergence and the maximum downward velocity in the middle layer are 1.0×10–4 s–1 and 0.12 cm s–1, respectively. |
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