سال انتشار: ۱۳۸۱
محل انتشار: پنجمین همایش بین المللی سواحل، بنادر و سازه های دریایی
تعداد صفحات: ۴
Abbas Yeganeh- Bakhtiary – Assistant Professor Structurc and Hydro-structurc Center, Department of Civil Enginecring, Iran University of Science& Technology
Takao Yarnashita – Associate Professor RCDE, Disaster Prevention Research Instilule (DPRI) Kyoto University
Magnus Larson – Professor department of Water Resource Engineering University of Lund
Storm condition, which prevails several weeks intermittently during winter in every year, induces a large amount of bed sediment motion to offshore direction. Therefore, a sever beach changes occurs during every winter and it is consequently play a significant role in the long-term evolution of the shoreline changes. In particular, at Japan Sea, field observation indicates that wind storm induces a very strong undertow current that enhances from surf zone to offshore zone: it acts as the main agent of moving sediments to offshore region. Besides, has revealed the significant role of the storm effect on nearshore hydraulics of Japan Sea. In this paper the model applicability to predict short-term beach evolution and its effect on large-term shoreline migration is demonstrated with an illustrative example at Ogata Coast in Japan Sea.