Case study:Ravensbourne Tescos

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Location: 51° 27' 58", -0° 0' 47"
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Project overview

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Status Planned
Project web site
Themes Economic aspects, Environmental flows and water resources, Fisheries, Flood risk management, Habitat and biodiversity
Country England
Main contact forename Joanna
Main contact surname Heisse
Main contact user ID
Contact organisation Environment Agency
Contact organisation web site http://www.gov.uk/government/organisations/environment-agency
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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There is the potential to realign and re-naturalise the river corridor running through the site. The bed and banks could be broken out and replaced with a natural channel with a vegetated buffer zone, marginal banks and in channel gravels. This would greatly improve the in channel processes and improve fish passage and habitat for invertebrates and foraging opportunities for birds and bats. The site would also be ideal for a riverside walk providing recreational and educational opportunities and proving access to nature which is currently missing in this area.

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Lessons learnt

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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, QUERCUS Ravensbourne... further results


Site

Name
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 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

Reach length directly affected (m) 136 m
0.136 km
13,600 cm
Project started 2008/01/01
Works started
Works completed
Project completed
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Benefit to cost ratio
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Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
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Post-project management and maintenance
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Reasons for river restoration

Mitigation of a pressure Barriers to fish migration
Hydromorphology
Biology Fish, Invertebrates, Vertebrates
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Bank reprofiling
Floodplain / River corridor Tree management
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Improved public access, Community Education
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
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Physico-chemical quality elements

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Monitoring documents



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Supplementary Information

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