Case study:River Bulbourne at Boxmoor Weir Removal

From RESTORE
Jump to: navigation, search
0.00
(0 votes)


To discuss or comment on this case study, please use the discussion page.


Location: 51° 44' 32", -0° 28' 45"
Edit location
Loading map...
Left click to look around in the map, and use the wheel of your mouse to zoom in and out.


Project overview

Edit project overview
Status Complete
Project web site
Themes Fisheries, Habitat and biodiversity, Water quality
Country England
Main contact forename Sandy
Main contact surname Belloni
Main contact user ID User:Sandy
Contact organisation
Contact organisation web site http://www.colnecan.org.uk
Partner organisations
Parent multi-site project

Weir Today Gone Tomorrow

This is a parent project
encompassing the following
projects
No
Project picture

Project summary

Edit project overview to modify the project summary.


This project involved removal of a weir over the River Bulbourne which was impounding flow and preventing the movement of fish.

Monitoring surveys and results

Edit project overview to modify the Monitoring survey and results.


The work is being monitored by volunteers of the Box Moor Trust and the Environment Agency.

Lessons learnt

This case study hasn’t got any lessons learnt, you can add some by editing the project overview.


Image gallery


Weir before removal.jpg
Weir removal in progress 21-3-16.jpg
View downstream to weir during removal 21-3-16.jpg
After work 22-3-16.JPG
ShowHideAdditionalImage.png


Catchment and subcatchment



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

Reach length directly affected (m)
Project started 2010
Works started
Works completed
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
Funding sources Catchment Partnership Fund 2015

Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design Box Moor Trust
Stakeholder engagement and communication
Works and works supervision
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology To enable fish migration and movement; Improve wildlife corridors
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications Weir removal
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