River mouth improvement using artificial reef - an example of Kinoto-Dainichi river-

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  • 人工リーフを用いた河口処理工の検討-乙大日川の河口を例として-

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An artificial reef is applied to the river mouth improvement.Numerical simulation of wave, nearshore currents and flood currents were conducted under the condition, in which an artificial reef is installed in front of the mouth in order to reduce wave height in the river and to induce outward currents to enhance scouring in the reef gap so as to be safely used for navigation channel of small fishing boats. As a result of the numerical simulation optimum design of artificial reef as a river mouth improvement was determined.

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