Case study:Barking Creek near A13: Difference between revisions

Revision as of 09:35, 19 November 2012

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Location: 51° 31' 40.97" N, 0° 4' 49.82" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Social benefits
Country	England
Main contact forename	Toni
Main contact surname	Scarr
Main contact user ID	User:Ascarr
Contact organisation	Environment Agency
Contact organisation web site	http://www.environment-agency.gov.uk
Partner organisations
Parent multi-site project	Case_study:Lower River Roding Regeneration Project
This is a parent project encompassing the following projects	No

during construction

Project summary

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Previous site use/issues

• Terrestrial habitat with rank grassland and species poor scrubland.

• Plot of adjacent to Barking Creek, accessible by informal and underused riverside footpath.

• Blind spots within site (formed by sections of redundant fencing) lead to a raised ‘fear of crime’.

• Riverside footpath not suitable for wheelchairs.

• Concrete flood defence in poor condition needing replacing.

Enhancements

• Retreat and renewal of flood defences adapting to climate change by creating increased flood storage capacity and improved riverside and intertidal habitat. Reed bunting and sand martins have been seen in this area.

• Sand martin nesting tubes.

• Improved footpath, suitable for wheelchairs.

• Blind spots remove and the site opened up although reeds allowed establish to help protect the wildlife on the river.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Site

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Name	Barking Creek near the A13
WFD water body codes
WFD (national) typology	intertidal
WFD water body name
Pre-project morphology	Estuary (tidal)
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	Tidal
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

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Reach length directly affected (m)	5050 m <br />0.05 km <br />5,000 cm <br />
Project started	2004/08/01
Works started
Works completed
Project completed	2006/03/31
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources	Office of the Deputy Prime Minister’s (now DCLG) Sustainable Communities Fund

Cost for project phases

Reasons for river restoration

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Mitigation of a pressure	Flood and coastal erosion protection
Hydromorphology	Structure & condition of intertidal zone
Biology	Fish, Macrophytes
Physico-chemical
Other reasons for the project	Landscape enhancement

Measures

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Structural measures
Bank/bed modifications	retreat and renewal of folld defences, construction of new intertidal area
Floodplain / River corridor	New footpaths, sand martin nesting tubes
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)	new walk way with disabled access
Other