Seasonal variation of the vertically averaged flow caused by the Jebar effect in the Tsushima Strait |
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Authors: | Isobe Atsuhiko |
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Institution: | (1) Shimonoseki University of Fisheries, 2-7-1 Nagata-Honmachi, 759-65 Shimonoseki, Japan |
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Abstract: | The seasonal variation in the barotropic mode of motion caused by joint effect of the baroclinicity and bottom relief (Jebar effect) in the Tsushima Strait is investigated with the use of the diagnostic numerical model in this study. The Jebar effect in the Tsushima Strait is mainly caused by the intrusion of the Bottom Cold Water along the Korean coast in summer. This Jebar effect along the Korean coast locally supplies the negative vorticity in situ, and it forces the coastal current to be intensified. In summer, the volume transport of the Tsushima Warm Current entering the Tsushima Strait is biassed to the western part of the strait comparing with the flow pattern calculated in winter. |
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