期刊论文详细信息
Proceedings of the International Conference on Coastal Engineering
CHARACTERISTICS OF SUSPENDED SEDIMENT TRANSPORT IN THE SURF ZONE OF IRREGULAR WAVES AND THEIR REPRODUCTION BY A CROSS-SHORE BEACH DEFORMATION MODEL
T. Shimizu1  M. Ikeno1 
[1] Hydraulics Dept., Central Res. Inst. of Electric Power Industry
关键词: deformation model;    beach deformation;    suspended sediment;    sediment transport;    surf zone;    irregular waves;   
DOI  :  10.9753/icce.v26.%p
学科分类:建筑学
来源: Coastal Engineering Research Council
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【 摘 要 】

Suspended sediment flux and cross-shore beach deformation in the breaker zone are elucidated experimentally with the CRIEPI's irregular wave flumes of large and middle sizes. Effects of long waves on suspended sediment transport are also investigated with a new experimental system for correct reproduction of infragravity waves bounded by irregular wave groups. Based on the experimental results, the pick up rate from sea bed and convection and diffusion of suspended sediment are modelled, and a new numerical model is developed for cross-shore beach deformation due to irregular waves. This numerical model can well reproduce wave deformation, suspended concentration, undertow, sediment flux and beach topography change.

【 授权许可】

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