Case study:QUERCUS Ravensbourne

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Location: 51° 27' 35", -0° 0' 50"
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Project overview

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Status Complete
Project web site http://www.quercus-project.eu/index.asp
Themes Economic aspects, Social benefits, Urban
Country England
Main contact forename Paul
Main contact surname Chapman
Main contact user ID
Contact organisation London Borough of Lewisham
Contact organisation web site http://www.lewisham.gov.uk
Partner organisations Chester City Council, United Kingdom, Gemeente S-Hertogenbosch, The Netherlands
This is a parent project
encompassing the following
projects
Cornmill Gardens (QUERCUS), Ladywell Fields (QUERCUS)
Ladywell Fields, created backwater, August 2008

Project summary

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The vision of the project, was to reduce crime and fear of crime in order to increase use and enjoyment of the river and its surroundings. The aims were to create new community open space called Cornmill Gardens near Lewisham town centre and to create a new river channel, meandering through the middle of the park Ladywell Fields.

Monitoring surveys and results

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Lessons learnt

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Image gallery


Cornmill Gardens, facing upstream
Ladywell Fields, created backwater, August 2008
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Catchment and subcatchment

Catchment

River basin district Thames
River basin London

Subcatchment

River name Ravensbourne (Catford to Deptford)
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 132
132 m
0.132 km
13,200 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Urban
Waterbody ID GB106039023270



Other case studies in this subcatchment: Broadway Fields/ Seagers Distillary, Catford Greyhound Stadium, Cornmill Gardens (QUERCUS), Ladywell Fields (QUERCUS), Ladywell Fields Phase 2, Ladywell Fields to Cornmill Gardens, Ladywell Fields toeboarding, Lewisham College weir, Linear Park, Ravensbourne Tescos... further results


Site

Name Cornmill Gardens, Ladywell Fields
WFD water body codes GB106039023270
WFD (national) typology
WFD water body name Ravensbourne (Catford to Deptford)
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body Yes
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

Reach length directly affected (m)
Project started 2006/06/01
Works started
Works completed
Project completed 2008/09/01
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

Mitigation of a pressure Land drainage, Flood risk management, Urbanisation
Hydromorphology Width & depth variation, Quantity & dynamics of flow
Biology Fish, Invertebrates, Macrophytes
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Removal of concrete banks and bed, Bank reprofiling, Planting, Depth variation, Removal of fencing
Floodplain / River corridor Buffer strips, Creation of backwaters, Creation of terraces, New footpaths
Planform / Channel pattern Improvement of channel morphology, Creation of meanders
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

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

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents



Additional documents and videos



Additional links and references

Link Description
http://www.quercus-project.org.uk/documents/toolkit/Toolkit 1 Laymans Report March 2009.pdf Quercus project final report, March 2009

Supplementary Information

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