Suspended Sediment Concentrations in a Barred Nearshore Zone

by Aart Kroon, Univ of Utrecht, Utrecht, Netherlands,

Document Type: Proceeding Paper

Part of: Coastal Sediments


Field observations of the suspended sediment concentrations in the inner nearshore zone are made with the use of a pump-sampling system to derive time-averaged profiles and with the use of optical devices to get instantaneous information. Distributions of the suspended sediment concentrations over the water depth under different hydraulical conditions result in characteristic profiles in different morphological units. The net near bed sediment fluxes are small, and composed of an oscillating component to the beach and a mean component directed offshore.

Subject Headings: Suspended sediment | Nearshore | Pumps | Bed materials | Oscillations | Water flow | Sea water | Hydraulics

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