Case study:Ravensbourne at Queensmead

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Location: 51° 24' 13.93" N, 0° 0' 33.19" E

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Project overview

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Status	Planned
Project web site
Themes	Environmental flows and water resources, Fisheries, Flood risk management, Habitat and biodiversity, Social benefits
Country	England
Main contact forename	Dave
Main contact surname	Webb
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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Channel enhancements, including low flow meanders; marginal planting; restore pools and riffles; remove concrete bank; re-meandering. A potential focus of this project is the creation of a linear riverside park. This could bring together and connect both existing and new green spaces and incorporate a restored river channel and continuous footpath and cycle network. In addition, it would also provide multi-purpose flood alleviation, recreation, ecological and educational benefits. Channel uniform with concrete bed and bank. Parts of this section run through public open space but some section have development at the river edge.

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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 Thames River basin London Subcatchment River name Ravensbourne (Keston to Catford) Area category 10 - 100 km² Area (km2) Maximum altitude category 200 - 500 m Maximum altitude (m) 274274 m <br />0.274 km <br />27,400 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Suburban Waterbody ID GB106039023260 Other case studies in this subcatchment: Downham Playing Fields, Fordmill weir, Norman Park Bromley. Site Edit site Name WFD water body codes GB106039023260 WFD (national) typology WFD water body name Ravensbourne (Keston to Catford) 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 River corridor land use 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) 200 m0.2 km <br />20,000 cm <br /> Project started 2008/01/01 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 Riparian development, Flood risk management Hydromorphology Biology Physico-chemical Other reasons for the project Recreation Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Park creation, Tree works Planform / Channel pattern Creation of meanders, Creation of pools and riffles Other Non-structural measures Management interventions Social measures (incl. engagement) Environmental education, Improved public access 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