Turbulence and Sediment Transport Measurements in a North Sea Tidal Inlet (The Jade) (original) (raw)

North Sea Dynamics, 1983

Abstract

A knowledge of the transport of sediment in a shallow, high energy environment such as the North Sea is important to the general understanding of such a system. The shape of the basin itself is largely a product of the interaction between the currents and the sediments. The engineers are interested in maintaining harbors and predicting morphological adjustments caused by man-made alterations of currents. The environmentally conscious are concerned about pollution and water quality which both are often strongly linked to the sediments. Sediment transport involves a complex interaction between the flow and the bottom. Ultimately an accurate knowledge of the forces acting on the bottom (i.e., the boundary shear stress) is necessary in order to predict the initiation of sediment movement and subsequent transport rates. In the North Sea this is complicated by the unsteady nature of the flow. This arises from both storms and tides. In order to better understand such a system, it was decided to begin by investigating the boundary layer in regions of active transport where the flow was dominated by tidal effects.

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