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LIFE Sparc: sub report 5. Idealized modelling of FCA and CRT in European estuaries Vanlede, J.; López Castaño, S.; Bi, Q.; Smolders, S. (2025). LIFE Sparc: sub report 5. Idealized modelling of FCA and CRT in European estuaries. Version 4.0. FH reports, 16_072_5. Flanders Hydraulics: Antwerp. VIII, 65 pp. https://dx.doi.org/10.48607/367 Deel van: FH reports. Flanders Hydraulics: Antwerp. , meer

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Waterbouwkundig Laboratorium: Open Repository 418632 [ download pdf ]
Documenttype: Projectrapport

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Trefwoorden

Hydraulics and sediment > Hydrodynamics > Tides Physics > Mechanics > Hydraulics Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries

Author keywords

Flood Control Area

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Project	Top | Auteurs
Life - SPARC, meer

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Contactgegevens

Opdrachtgever: Vlaamse overheid; Beleidsdomein Leefmilieu, Natuur en Energie; Agentschap Natuur & Bos (ANB), meer

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Auteurs		Top
Vanlede, J., meer López Castaño, S., meer Bi, Q., meer Smolders, S., meer

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Abstract

This report describes a standardized method for setting up and automatically calibrating an idealized numerical model of an estuary that can be used to evaluate the functioning and effectiveness of Flood Control  Areas with Controlled Reduced Tide (FCA-CRT). Such models were set up for five European estuaries (Scheldt,  Elbe, Seine, Humber, Weser) in order to do a quickscan of the potential of a 100ha FCA-CRT at three different  locations along the estuary. The functioning of the areas is evaluated for ecological development inside the  areas, and for flood protection along the estuary. The presented method is generally applicable to other  estuaries, and has only limited data requirements. The results show that inside the areas, a controlled  reduced tide of approximately 15–25% of the estuarine tidal amplitude is achievable with a simple design  rule for the culverts. One 100ha FCA also provides a reduction of high water levels during storms in the order  of 1-5 cm. This effect extends tens of kilometers up- and downstream the location of the FCA, and is most  pronounced when the FCA is located at an upstream location.

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