Case study:Rijkelse Bemden - River bed widening

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Location: 51° 15' 43.20" N, 6° 0' 36.72" E

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Project overview

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Status	Complete
Project web site
Themes	Flood risk management, Water quality
Country	Netherlands
Main contact forename	Lokat
Main contact surname	Maaswerken
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This is a parent project encompassing the following projects	No

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Meuse River basin Meuse Subcatchment River name Meuse Area category more than 10000 km² Area (km2) 465465 km² <br />46,500 ha <br /> Maximum altitude category 100 - 200 m Maximum altitude (m) 200200 m <br />0.2 km <br />20,000 cm <br /> Dominant geology chalk and loess Ecoregion Western Plains Dominant land cover Intensive agriculture, Urban Waterbody ID Other case studies in this subcatchment: Aaijen- Removal of bank fixation, Meers - Floodplain lowering, Reméandration du Geer à Grand-Axhe, Voorste Nete at Dessel Site Edit site Name Rijkelse Bemden WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Straight, Single channel, Entrenched Reference morphology Embanked, Single channel Desired post project morphology Heavily modified water body true National/international site designation Local/regional site designations Protected species present Invasive species present Species of interest Dominant hydrology Artificially regulated Dominant substrate Sand River corridor land use Extensive agriculture, Urban Average bankfull channel width category 10 - 50 m Average bankfull channel width (m) Average bankfull channel depth category 5 - 10 m Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) 230 m³/s230,000 l/s <br /> Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) 1100 m1.1 km <br />110,000 cm <br /> Project started Works started 1998/01/01 Works completed 2001/01/01 Project completed Total cost category 5000 - 10000 k€ Total cost (k€) 9000 k€9,000,000 € <br /> Benefit to cost ratio Funding sources Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Mining, Agriculture Hydromorphology Channel pattern/planform, Width & depth variation, Quantity & dynamics of flow Biology Macrophytes Physico-chemical Other reasons for the project Flood risk management, Nature development Measures Edit Measures Structural measures Bank/bed modifications Bank reprofiling Floodplain / River corridor Planform / Channel pattern Channel widening Other Non-structural measures Management interventions Reduced dredging Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Macrophytes Yes Yes Inconclusive Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information