NEARSHORE CURRENTS ON A PARTIALLY ROCKY SHORE
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Keywords

nearshore current
current
rocky slope

How to Cite

Sasaki, T., Igarashi, H., & Harikai, S. (1980). NEARSHORE CURRENTS ON A PARTIALLY ROCKY SHORE. Coastal Engineering Proceedings, 1(17), 65. https://doi.org/10.9753/icce.v17.65

Abstract

Nearshore circulation on a partially rocky shore at Haranomachi Beach, Fukushima Prefecture, Japan has been studied in terms of field observations and numerical experiments for a low energy wave regime and with a physical experiment for a high energy wave regime. No significant distinctions were found in current velocity and rip current spacing between rocky and sandy beaches for the low energy wave regime, however the positions of rip currents were affected by wave refraction from the offshore exposed rocky bottom. On the other hand, since the surf zone bed is largely occupied by an exposed rocky floor for the high energy wave regime, the circulation exhibited fairly irregular patterns, so that a rip current becomes difficult to define, however the positions of inflow across the breaker line were found to be coincident with wave convergence zone.
https://doi.org/10.9753/icce.v17.65
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