Abstract
In this study, to clarify the forces affecting on the temporal-spatial variation of the median grain size and topographic change of the sand gravel beach, field observations were carried out for 3 years and a numerical model was developed. Study site is the east coast beach in the Narugashima Island located between inner bay - Osaka bay - and open sea - Kii channel -, in Seto Inland Sea, western Japan. From the result of field observations, the periodic disturbance in this beach was confirmed. It tends to be coarse at the first half of observation period and be fine at the second half of observation period. On the other hand, the result of numerical simulation shows that the blown sand is important factor affecting on the temporal-spatial distributions of the median grain size and topographic change in this beach.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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