TECHNICAL PAPERS
Jan 1, 1986

Suspended Sediment in the Surf Zone

Publication: Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 112, Issue 1

Abstract

The vertical distribution of suspended sediment under broken waves is considered. Close to the seabed, the turbulence is dominated by the wave‐boundary layer, which determines the amount of suspended sediment very close to the bottom. Away from the bottom, the main contribution to the turbulence intensity originates from the surface generated turbulence due to wave breaking. This is described by application of the transport equation for turbulent kinetic energy. The production of kinetic energy is estimated from the energy loss in a hydraulic jump. The vertical distribution of suspended sediment is obtained from the diffusion equation. The theoretical findings are compared with laboratory experiments and field measurements.

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Go to Journal of Waterway, Port, Coastal, and Ocean Engineering
Journal of Waterway, Port, Coastal, and Ocean Engineering
Volume 112Issue 1January 1986
Pages: 115 - 128

History

Published online: Jan 1, 1986
Published in print: Jan 1986

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Authors

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Rolf Deigaard
Hydr. Engr., Danish Hydraulic Inst., Agern Alle 5, DK‐2970 Hørsholm, Denmark
Jørgen Fredsøe
Assoc. Prof., Inst. of Hydrodynamics and Hydraulic Engineering, (ISVA), Technical Univ. of Denmark, Bldg. 115, DK‐2800 Lyngby, Denmark
Ida Brøker Hedegaard
ISVA. (Present address; Danish Hydraulic Inst.)

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