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Een geïntegreerde aanpak voor de Durme: Set-up and calibration of a detailed Durme model
Nguyen, D.; Vanlede, J.; Meire, D. (2024). Een geïntegreerde aanpak voor de Durme: Set-up and calibration of a detailed Durme model. Version 4.0. FH reports, 19_016_3. Flanders Hydraulics: Antwerp. VII, 54 + 15 p. app. pp.
Part of: FH reports. Flanders Hydraulics: Antwerp. , more
Een geïntegreerde aanpak voor de Durme - Set-up and calibration of a detailed Durme model
Available in  Authors 
Document type: Project report
Keywords
    Hydraulics and sediment > Hydrodynamics > Tides
    Numerical modelling
    Standardization > Calibration
    Belgium, Durme R. [Marine Regions]
Author keywords
    Hydrodynamic model
Contact details

Proposer: De Vlaamse Waterweg, more

Authors  Top 
  • Nguyen, D.
  • Vanlede, J., more
  • Meire, D., more
Abstract
    De Vlaamse Waterweg (DVW) wants to evolve from the current management of the Durme to a more  sustainable management. Two problems are identified. First of all the tidal channel is characterized by a  continuous sedimentation. Secondly, a combination of spring or storm tide with intense rainfall leads to too  high water levels (with increased inundation risks), both in the tidal and non-tidal part of the Durme.
    Within the framework of the actualised Sigmaplan, important management works in the Durme valley are  foreseen. In the near future, several areas will be depoldered (Groot Broek and Klein Broek) and a controlled  reduced tide area is built (De Bunt). Next to the extent of the river valley the problems in the river channel itself are also tackled, by carrying out important dredging work, to counteract the sedimentation.
    To assess the impact of the different measures within the Sigmaplan on the hydrodynamics and sediment  dynamics of the Durme area, it is necessary to construct a numerical model that has a high resolution to  capture well the area dynamics. In this project, a new and detailed hydrodynamic model was set up for the  Durme area in the Telemac software. This model covers the whole tidal Durme valley and extents in the  Zeeschelde from Sint-Amands till Temse. The model has been calibrated with the available water levels in  the Durme and Schelde, and also a few available measurements of velocity. Both situations before and after  the dredging works were considered in the calibration setup. The calibrated model will be used to assess the  impact of (potential) management works on the system behaviour.
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