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Seasonal variation of water temperature in the Seto Inland Sea
Authors:Tetsuo Yanagi
Institution:1. Department of Ocean Engineering, Faculty of Engineering, Ehime University, 790, Matsuyama, Japan
Abstract:The seasonal variation of water temperature in the Seto Inland Sea, Japan is examined using data analysis and numerical experiments and is shown to be controlled by heat exchange through the sea surface and horizontal heat dispersion from the Pacific Ocean. The average water temperature goes down from the Pacific Ocean to the center of the Seto Inland Sea indicating that 4.0 to 6.0×1015 cal day?1 (1.6 to 2.5×1016 joule day?1) of heat is transported from the Pacific Ocean to the Seto Inland Sea and is lost through the sea surface. The amplitude of seasonal variation of water temperature is large at the center of the Seto Inland Sea and the maximum water temperature is reached first at Bisan Straits and last at Iyo-Nada.
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