Case study:Durand Close: Difference between revisions

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{{Site
{{Site
|Name=
|WFD water body code=GB106039023460
   
|WFD water body name=Wandle (Croydon to Wandsworth) and the R. Gravney
   
|Heavily modified water body=No
     
|Protected species present=No
|WFD water body code=
|Invasive species present=No
     
|WFD (national) typology=
     
|WFD water body name=
     
|Pre-project morphology=
     
|Reference morphology=
     
|Heavily modified water body=
     
|Local site designation=
     
|Site designation=
     
|Protected species present=
     
|Invasive species present=
     
|Species=
     
|Dominant hydrology=
     
|Dominant substrate=
     
|River corridor land use=
     
|Average bankfull channel width category=
     
|Avrg bankfull channel width=
     
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{{Project_background

Latest revision as of 09:48, 27 October 2015

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Location: 51° 22' 45.02" N, 0° 9' 51.37" W
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Project overview

Edit project overview
Status Planned
Project web site
Themes Fisheries, Habitat and biodiversity, Social benefits
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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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Thames
River basin London

Subcatchment

River name Wandle (Croydon to Wandsworth) and the R. Gravney
Area category 100 - 1000 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m) 282282 m <br />0.282 km <br />28,200 cm <br />
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Suburban
Waterbody ID GB106039023460



Other case studies in this subcatchment: Beddington Park, Beddington Park Enhancements, Boulder Pool and Plough Lane, EDF Weir removal, Eel Pass over tilting weir at Ravensbury Park, Garratt Park, Hackbridge Restoration, Hackbridge weir notch, King Georges Park, Medland Close, River Wandle... further results


Site

Name
WFD water body codes GB106039023460
WFD (national) typology
WFD water body name Wandle (Croydon to Wandsworth) and the R. Gravney
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) 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

Mitigation of a pressure
Hydromorphology
Biology Vertebrates
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Bank reprofiling
Floodplain / River corridor
Planform / Channel pattern
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

Supplementary Information

Edit Supplementary Information