Basic Study of New-type Submerged Breakwater Effective in Preventing Rise in eater Level

Abstract

It has been reported that construction of a submerged breakwater results in a higher mean water level and generates offshore currents and currents toward the coast, causing erosion of the seashore. To prevent this phenomenon, development of a new-type submerged breakwater is necessary. To prepare for such development, we determined the the characteristics of currents behind the conventional submerged breakwater, and propose a method of quantitatively evaluating effects of a new-type submerged breakwater on currents, based on the results of experiments with a twodimensional hydraulic model.