Processes of Sediment Transport and Ebb Tidal Delta Development at a Jettied Inlet

by Rodger B. Tomlinson, Univ of New South Wales, Manly Vale,



Document Type: Proceeding Paper

Part of: Coastal Sediments

Abstract:

This paper deals with the development of the ebb tidal delta following the extension of jetties at a tidal river entrance. The growth rate and morphological change are discussed using the data from 30 years of hydrographic survey of the delta and adjacent beaches. The results of these studies have shown that during the formative stages, sedimentary processes may have been tidal flow dominated even though the modal wave climate is quite energetic. The indications are at present that a dynamic equilibrium is being re-established between the tidal and wave induced sediment transport processes.

Subject Headings: Tides | Sediment transport | Inlets (waterway) | Water supply systems | Rivers and streams | Jetties | Coastal protection structures

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