Abstract
Suspended sediment velocity and flux in a surf zone were experimentally measured using an Ultrasonic Velocity Profiler (UVP) and an optical concentration meter for understanding the transport process of suspended sediment under breaking waves. The concentration near the bed increased when a breaking wave front passed. The time-averaged horizontal flux was offshore-direction owing to the undertow, and the time-averaged vertical flux was downward owing to the settling effect. The pick-up coefficient evaluated from the mean concentration and the wave energy flux dissipation rate was 406 on the average. The pick-up coefficient acquired in this small-scale experiment was much higher than that in the large-scale experiments and field observations.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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