![]() ![]() A Delft3D schematization of the Western Scheldt was used to isolate the effect of dredging and disposal strategies. Our aim is to determine how dredging and disposal affect the channel network, the tidal asymmetry, and the bifurcation asymmetry of channel junctions.īathymetry of the Western Scheldt (The Netherlands) since 1955 was analysed to determine tidal and bifurcation asymmetry. We expect, therefore, that a disturbance will migrate differently through the flood- and ebb-dominated channels. Tidal asymmetry is produced by the distortion of the propagating tidal wave. While disturbances, such as shoal margin collapses (Van Dijk et al., 2019 – JGR-ES) only have a near-field effect on erosion and deposition at individual channel scale, disturbances have a far-field effect on elevation jumps and flow division at the channel junctions. Division of the flow at channel junctions into the main and side channels indicates that the estuary consists of asymmetric bifurcations. shoals, that are encompassed by ebb and flood channels forming a multi-channel system. You need JavaScript enabled to view it.Įstuaries are characterized by intertidal bars, i.e. ![]() Kleinhans 1ġ Utrecht University, This email address is being protected from spambots.
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