Case study:Noor

Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Hydromorphology
Country	Netherlands
Main contact forename	Arnoud
Main contact surname	Soetens
Main contact user ID
Contact organisation	Waterschap Limburg
Contact organisation web site	http://waterschaplimburg.nl
Partner organisations
Parent multi-site project	Case_study:Building with Nature
This is a parent project encompassing the following projects	No

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Project summary

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The Noor is a small tributary of the river Voer. The stream used to be characterized by large discharge peaks from spillways. These peaks caused a deep incision of the stream into its bed, which was undesirable. Theamount of water ending up in the river has been reduced and extra gravel was introduced into the river system to raise the bed. In addition, dead tree branches were installed in a V-shape to trap more sediment.

Monitoring surveys and results

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The sediment trapping mechanism has proved effective.

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Location: 50° 46' 3.49" N, 5° 48' 4.83" E

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Noor WFD water body codes WFD (national) typology R6 WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body No National/international site designation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Dominant substrate Sand, Gravel River corridor land use Orchard Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) Project started Works started Works completed Project completed Total cost category Total cost (k€) 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 Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions 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 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