Case study:Day Brook Restoration - Gedling

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Location: 52° 59' 38.90" N, 1° 8' 15.42" W

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Project overview

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Status	In progress
Project web site
Themes	Flood risk management, Habitat and biodiversity, Urban
Country	England
Main contact forename	John
Main contact surname	Brewington
Main contact user ID	User:John Brewington
Contact organisation	Environment Agency
Contact organisation web site	http://www.environment-agency.gov.uk
Partner organisations	Groundwork Greater Nottingham, Environment Agency, Nottinghamshire County Council, Gedling Borough Council
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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This project is restoring natural features to a section of the Day Brook as it flows through a small park on the outskirts of Nottingham city.

The brook is being moved from the existing heavily modified and shaded channel into a more natural course. Brook length has been increased with the introduction of a meanders along with shallower, soft banks and variation in flow and bed conditions.

With the material produced from the channel excavations, a shallow bund has been constructed to retain flood waters within the park in order to help reduce flooding of downstream properties.

In an effort to raise awareness of the watercourse and to create a more attractive park environment, 2 new bridges will take an existing path over the new brook channel.

This part of the brook is one of the few sections not within a culvert as it flows through Gedling Borough. Beyond this section the brook continues to flow within a heavily modified channel and the entire length is subject to pollution from diffuse, urban sources.

This project is a sister project to the Day Brook rain gardens - http://restorerivers.eu/wiki/index.php?title=Case_study%3ADay_Brook_Rain_Gardens

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Day Brook before

Day Brook before

Day Brook construction

Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present 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 Edit 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 Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit 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 Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information