ABSTRACT

Choi, J.; Roh, M., and Kim, Y.T., 2016. A Laboratory Experiment on beach profile evolution induced by two wave conditions dominated in the Haeundae Coast of 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. 1327 - 1331. Coconut Creek (Florida), ISSN 0749-0208.

A laboratory experiment was performed by using the scaled-down conditions (i.e., 1/10) of the two dominant waves (i.e, a storm wave and a normal wave) obtained from the statistical analysis of wave data measured at the Haeundae coast during 3 years. The storm and normal waves did alternately evolve the beach profile from a constant slope and each of the wave conditions was maintained to reach its quasi-equilibrium state. The observation was conducted in the surf zone and the swash zone during the alternation of the 1-hr storm-erosion condition and the 2-hr normal-accretive condition. The storm-erosion condition generated the longshore bar-crest and trough and the steep berm, and the normal-accretion condition reduced the bar and trough. The subsequent quasi-equilibrium beach profile was reasonably agreed to the beach profile of the Haeundae beach.

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