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Modelling Belgian coastal zone and Scheldt mouth area: sub report 12. Scaldis-Coast model – Model setup and validation of the 2D hydrodynamic model
Kolokythas, G.; De Maerschalck, B.; Wang, L.; Fonias, S.; Breugem, A.; Vanlede, J.; Mostaert, F. (2021). Modelling Belgian coastal zone and Scheldt mouth area: sub report 12. Scaldis-Coast model – Model setup and validation of the 2D hydrodynamic model. Version 4.0. FHR reports, 15_068_12. Flanders Hydraulics Research: Antwerp. VIII, 66 + 40 p. app. pp. https://dx.doi.org/10.48607/9
Deel van: FHR reports. Flanders Hydraulics Research: Antwerp, meer
Modelling Belgian coastal zone and Scheldt mouth area: sub report 12. Scaldis-Coast model – Model setup and validation of the 2D hydrodynamic model

Beschikbaar in  Auteurs 
Documenttype: Projectrapport

Trefwoorden
    Hydraulics and sediment > Hydrodynamics > Tides
    Motion > Tidal motion > Tides
    Numerical modelling
Author keywords
    Coastal modelling; Complex Project Kustvisie

Project Top | Auteurs 
  • Vlaamse Baaien Modellering Kustzone, meer

Contactgegevens

Opdrachtgever: Vlaams-Nederlandse Scheldecommissie (VNSC), meer


Auteurs  Top 
  • Kolokythas, G., meer
  • De Maerschalck, B., meer
  • Wang, L.
  • Fonias, S.
  • Breugem, A.
  • Vanlede, J., meer
  • Mostaert, F., meer

Abstract
    With the increasing awareness of sea level rise, the Flemish Authorities initiated the Complex Project Kustvisie (CPKV) in order to start together with all involved stakeholders to define the overall long-term coastal defence strategy for the Belgian Coast. To analyze the impact of sea level rise on the morphology of the coast and to assess mitigation measures on their efficiency the need for a flexible coastal model for the Belgian coast and Scheldt mouth area was revealed.
    Therefore, in 2015 it was decided to build an integral coastal model within the TELEMAC-MASCARET model suite. The present report describes the setup and validation of the two-dimensional hydrodynamic model. The hydrodynamic model forms the basis of the final goal: the morphodynamic model. The hydrodynamic model will be coupled to the TOMAWAC spectral wave model and SISYPHE sediment transport and bed update model.

    The model is validated by comparison of the numerically predicted water levels and velocities against measured water levels, stationary velocities and velocities along transects (ADCP sailed) at several locations at the coast and the Western Scheldt estuary. The performance of Scaldis-Coast is found to be good at the Belgian coast but also in The Western Scheldt. For the water levels the total RMSE increases from 9 cm in the North Sea to 13 cm in the Western Scheldt towards Antwerp. The absolute value of the bias of water levels is equal or lower than 5 cm at most stations.
    The Scaldis-Coast performs good in predicting the velocities at the considered coastal locations, presenting RMSE of velocity magnitude which is in general around 0.15 m/s.
    The hydrodynamic model is available at the Flanders Hydraulics Research model repository: https://wlsubversion.br>vlaanderen.be/!/#repoSpNumMod/view/head/TELEMAC/Scaldis-Kust/15_068%20Complex%20Model%20Kustvisie%202021/1_2D_HYDRODYNAMICS.


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