Effluent Diffusion and Sediment Dispersion at Microtidal River Mouths, Predicted Using Mathematical Models

Poulos, S.E. and Collins, M.B. (1994) Effluent Diffusion and Sediment Dispersion at Microtidal River Mouths, Predicted Using Mathematical Models. Estuarine, Coastal and Shelf Science, 38 (2), 189-206. (doi:10.1006/ecss.1994.1012).

Record type: Article

Abstract

Plume characteristics, associated with fluvial discharge into a microtidal environment, are predicted using mathematical models. Such predictions are compared with field measurements from the River Louros, western Greece. Combined frictionally-dominated and buoyant plume expansion models show encouraging agreement (i.e. to within ± 1%) with temperature, salinity and velocity observations. The inclusion of particle settling velocities into the analysis enables surficial sea-bed sediment size distribution to be determined. The predicted patterns show close correspondence with those collected from the subaqueous delta of a small river in Greece. The approach described may form the more general basis for the prediction of riverine sediment deposition on inner continental shelves.

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