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Evolution of a large coastal nourishment at Knokke: 2nd year progress report
Montreuil, A.-L.; Dan, S.; Houthuys, R.; Verwaest, T. (2022). Evolution of a large coastal nourishment at Knokke: 2nd year progress report. Version 1.0. FHR reports, 19_118_2. Flanders Hydraulics Research: Antwerp. VI, 19 + 9 p. app. pp. https://dx.doi.org/10.48607/133
Part of: FHR reports. Flanders Hydraulics Research: Antwerp, more
Evolution of a large coastal nourishment at Knokke: 2nd year progress report
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Document type: Project report
Keywords
    Coastal processes
    Coastal protection
    Hydraulics and sediment > Morphology
    Hydraulics and sediment > Sediment
Author keywords
    Sand budget
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  • Evolution of a large nourishment at Knokke coastal area, more
Contact details

Proposer: Vlaamse overheid; Beleidsdomein Mobiliteit en Openbare Werken; Vlaams Ministerie van Mobiliteit en Openbare Werken; Agentschap voor Maritieme Dienstverlening en Kust; Afdeling Kust, more

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Abstract
    Beach erosion occurs along a large part of the Belgian coast, but is often more intense at Knokke. Artificial nourishment of the active beach system is one of the most applied and successful measures to prevent and to cope with erosion. After repeated beach nourishments over the past decades, a major scheme is now being implemented: a combined large beach and shoreface nourishment of a total of approximately 3 million m3 of sand for the Knokke area in the period 2020 – 2025. The aim of this study is to understand the hydrodynamics and morphodynamics of the Knokke area and to evaluate the mega-nourishment. This 2nd year progress report focuses on coastal morphodynamics along the Belgian coast from Zeebrugge harbour to east of the Zwin between 2018-2021. The results clearly indicate the significant effect of the nourishments on the beach and shoreface morphology. Future topographic and bathymetric monitoring and use of digital survey data of the morphology immediately after each nourishment stage will allow to document and understand the ensuing morphological development and efficiency of the nourishments.
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