BEACH DEFORMATION AROUND HEADLANDS IN THE SOUTHERN SENDAI COAST, JAPAN
The Southern Sendai Coast is 65-km-long curved coast facing the Pacific Ocean in the northern part of Japan. Predominant wave direction is from east to southeast, and the direction of longshore sediment transport is south to north. The sediment was supplied to the coast due to erosion of coastal cliff located approximately 50 km southern southeast of the coast before; however, because of prevention of the coastal cliff erosion and of development of extensive port between the coast and the cliff, the coast began to erode in 1970s. To prevent the erosion and to control the longshore sediment transport, eight headland breakwaters have been constructed at intervals of 1 km since 1997 to present. In order to understand the effects of the headlands on beach stability, this study investigated beach deformation in the vicinity of the headlands using yearly bathymetric data from 2002 to 2005 in an area of 7.9 km in the longshore direction and 1 km in the cross-shore direction including the eight headlands.
Yusuke Miura Keiko Udo Akira Mano Masaaki Sato
Dept.of Civil Engineering, School of Engineering, Tohoku University, Sendai, Japan Disaster Control Research Center, Tohoku University, Sendai, Japan Ministry of Land. Infrastructure and Transport, Sendai, Japan
国际会议
第四届亚太地区海岸会议(the Fourth International Conference on Asian and Pacific Coasts)
南京
英文
2007-09-21（万方平台首次上网日期，不代表论文的发表时间）