Case study:Hackney Marsh recreation grounds

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Location: 51° 33' 33", -0° 1' 35"
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Project overview

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Status Planned
Project web site
Themes Habitat and biodiversity
Country England
Main contact forename Environment
Main contact surname Agency
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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Notch weir, and possible fish pass. De-silting, flow deflectors, cunker structures, wetland cut and fill, coir rolls; narrowing of river. Overwide section of river with concrete banks

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 Lee (from Tottenham Locks to the Tideway)
Area category 1000 - 10000 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 141
141 m
0.141 km
14,100 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Urban
Waterbody ID GB106038077852



Other case studies in this subcatchment: Blackhorse Lane Waterfront Park, Dagenham Brook de-silting, Essex Wharf, Hackney Marshes - Wick Field recreation ground, Lea Bridge Waterway Wall Improvements, Lee Navigation by Walthamstow Marshes, Springfield Marina, Tottenham Lock Floating Ecosystem


Site

Name
WFD water body codes GB106038077852
WFD (national) typology
WFD water body name Lee (from Tottenham Locks to the Tideway)
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)
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

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


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



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Additional links and references

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Supplementary Information

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