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Lim, C.B.; Lee, J.L., and Kim, I.H., 2019. Performance test of parabolic equilibrium shoreline formula by using wave data observed in East Sea of Korea. In: Lee, J.L.; Yoon, J.-S.; Cho, W.C.; Muin, M., and Lee, J. (eds.), The 3rd International Water Safety Symposium. Journal of Coastal Research, Special Issue No. 91, pp. 101-105. Coconut Creek (Florida), ISSN 0749-0208.This study is the validity examination of an equilibrium shoreline formula of parabolic type, which was introduced by Hsu in 1987, for real phenomena. Hsu's formula of parabolic type is practical for estimation of shoreline change after coastal or harbor structure construction. The wave data observed at Maengbang beach of East Sea of Korea and the CERC formula on longshore sediment transport were used in the present study. Performance test was conducted for the case of a shoreline change after the construction of a groyne. It was reasonable between the observed wave data and the data obtained under a wave spreading parameter, S = 3.5. However, when S increased, significant changes were observed. Thus, it is required to apply an equilibrium shoreline formula of parabolic type carefully. |
