LONGSHORE SEDIMENT TRANSPORT ON DEAN BEACH PROFILES

Proceedings of the International Conference on Coastal Engineering

Robert T. Hudspeth¹  William G. McDougal¹ 

[1] Ocean Engineering Program, Department of Civil Engineering, Oregon State University

关键词: Dean profile;    beach profile;    longshore transport;    sediment transport;   

DOI  :  10.9753/icce.v19.%p

学科分类：建筑学

来源: Coastal Engineering Research Council

【 摘 要 】

Natural beaches exhibit an equilibrium profile that is planar nearshore and non-planar, concave-up offshore. The longshore current on these Dean equilibrium beaches is shown to depend on the location of the intersection between the planar and non-planar profiles and on the dimensionless mixing strength parameter if the eddy viscosity coefficient is linearly dependent on the distance offshore. The effect of the profile intersection on the longshore sediment transport rate is demonstrated for two energetics based sediment transport models; viz. the Bagnold and energetics stress models.

【 授权许可】

Unknown