Abstract

ABSTRACT Choi, J., and Kim, H. S., 2016. A Boussinesq modelling of a rip current at Daechon beach in Korea. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No. 75, pp. 1332 - 1336. Coconut Creek (Florida), ISSN 0749-0208. The rip current of the Daechon beach, characterized by dissipative beach profiles and macro tides, was investigated by numerical simulations of nearshore circulations. The numerical simulation was performed by the Boussinesq model, FUNWAVE. The simulation confirmed that the rip current was induced by alongshore non-uniformity of wave energy and involved the vortex mechanism at the ends of wave crest, especially in honeycomb wave pattern. The patterns of nearshore currents were varied according to various tide elevations, because of the change of water depth. The simulation also presented that a longshore current, developed due to the mega cu...

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