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Document types: Final report; Project report |
Keywords |
Sediments > Clastics > Silt Transport Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries Brackish water |
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Abstract |
1. A minor shift of two dumping locations near Antwerp rnuch improves the proper modelling of the ETM. 2. New concentration BC at sea result in more realistic SPM concentrations and longshore SPM fluxes at sea. 3. The difference between simulations with 5 and 10 horizontal layers is only minor. 4 . Variable waves temporarily enhance the concenrations in the western part of the Western Scheldt during storrns. 5. The biological impact on large-scale SPM concentrations in the Scheldt estuary appears to be minor. 6. The SPM levels appear to be rather sensitive to the volume of harbour siltation and dumping. 7. The model cornputes an unrealistically high residual sediment flux towards the North Sea (about 2 MT/y). If sediment dumping is in equilibrium with harbour siltation, this net export results in too low equilibrium SPM levels. Application of the model to the dumping of sediment dredged from Sloe harbour shows that a shift of the release location in western direction may be favourable because of a small reduction in local SPM levels and siltation rates. |
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