Estimate of long-term sediment discharge at tidal inlets using water level data from a tide gauge
Gao, Shu and Collins, Michael (1994) Estimate of long-term sediment discharge at tidal inlets using water level data from a tide gauge. Earth Surface Processes and Landforms, 19, (8), 699-714. (doi:10.1002/esp.3290190804).
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A simple approach to the estimate of long-term sediment discharge through an entrance to a tidal basin is described. Using the method, cross-sectional mean current speeds are derived, on the basis of the definition of an ‘apparent tidal basin area’, from records of water level data from a single tide gauge. The obtained time-series of current speeds are then used to define ‘local’ current speeds, through the use of a sectional distribution function for the currents. Sediment transport formulae are then applied, using the obtained speed data and other relevant parameters contained within the formulae and frequency distribution functions with regard to wave and tidal current characteristics, to estimate sediment discharge through the entrance. Analytical procedures of the method are described in detail, in an example from Christchurch Harbour (southern England).
|Keywords:||Tidal inlets; Sediment discharge; Christchurch Harbour|
|Subjects:||G Geography. Anthropology. Recreation > GC Oceanography|
|Divisions:||University Structure - Pre August 2011 > School of Ocean & Earth Science (SOC/SOES)
|Date Deposited:||04 Jul 2011 14:37|
|Last Modified:||27 Mar 2014 19:43|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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