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ProblemProblem statement: Enhancing fish migration leads to salt intrusion into fresh water reservoir. How to manage the salt water intrusion and maintain the fresh water supply to drinking water, agriculture and industry (Port of Rotterdam) is the challenge. Problem impact: Bringing together nature and conservationist ambitions with practicalities of fresh water demand. Client: Rijkswaterstaat (district West Nederland Zuid) | TeamProject owner: Meinard Tiessen & Wouter Kranenburg Team members: Theo van der Kaaij, Julien Groenenboom, Stendert Laan, Remi van der Wijk, Remco Plieger Partners: Rijkswaterstaat, Hydrologic, Svasek | Theme(s)
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The river Rhine is a fish migration route under stress of human intereference. Building of dams, locks and barriers as well as canalization of both the main river and its tributaries has had a degrading effects on its habitat suitability for migratory fish. A European wide agreement has led to the removal of many obstacles for fish migration. However, the river mouth (in the Netherlands) remains a bottleneck. The Afsluitdijk and Haringvlietsluices block migration up the IJssel-branch and Haringvliet, respectively. The main-branch (via New Waterway) is not blocked by infrastructure, but here the river flows through the industrial Port of Rotterdam with limited habitat for (migratory) fish.
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- Kranenburg, W., Tiessen, M., Blaas, M., van Veen, N. (2022). Circulation, stratification and salt dispersion in a former estuary after reintroducing seawater inflow. Journal: Estuarine, Coastal and Shelf Science. https://kennisbank.deltares.nl/repos/EP5308.pdf
- Tiessen, M.C.H., Kranenburg, W.M., van der Kaaij, T., van der Heijden, L.H. (2023). D-HYDRO Haringvliet: modelontwikkeling en toetsing ter ondersteuning van het Lerend Implementeren onderzoek voor het Kierbesluit. Deltares rapport 11208051-004-ZKS-0002. https://kennisbank.deltares.nl/repos/11208051_004_0002.pdf
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