The Developmental Process of Flood Shoals Based on Observations in Toufutsu Lake, Japan.
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概要
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Recently, flood shoals have been developed at the entrance of the Toufutsu Lake located along Okhotsk Sea in Hokkaido, and they affect flood control, fisheries in lake, and so forth. In this study, we aimed to reveal the developmental process of flood shoals by observations, which are current observation, water level observation, sediment survey, and video monitoring at the entrance of the Toufutsu Lake. Followings were major accomplishments of this study. (1) The current flow velocity during the flowing tide at St.400 was faster than that during the ebb-tide. (2) The relationship between current speed and friction velocity during the flowing tide is different from that during the flowing tide. (3) Flood shoals were developed by not only sea waves, but also adverse tide in the spring-tide.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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