Case study:Diversion of the River Nith

This case study is pending approval by a RiverWiki administrator.

Approve case study

 

4.00

(one vote)

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

Location: 55° 23' 5.09" N, 4° 17' 26.27" W

Edit location

Loading map...

{"format":"googlemaps3","type":"HYBRID","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":50,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"","intro":"","outro":"","searchlabel":"... further results","default":"","import-annotation":false,"width":"auto","height":"400px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"visitedicon":"","wmsoverlay":false,"zoom":14,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"cluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[""],"searchmarkers":"","fullscreen":false,"scrollwheelzoom":false,"showtitle":false,"hidenamespace":true,"template":"Location map popup","userparam":"","activeicon":"","pagelabel":false,"ajaxcoordproperty":"","ajaxquery":"","locations":[{"text":"\u003Cp\u003E\u003Cbr /\u003E\n\u003C/p\u003E\u003Cp\u003E\u003Cb\u003EProject Title:\u003C/b\u003E Diversion of the River Nith\n\u003C/p\u003E\u003Cp\u003E\u003Cb\u003ECountry:\u003C/b\u003E \u003Ca href=\"/wiki/index.php?title=Scotland\" title=\"Scotland\"\u003EScotland\u003C/a\u003E\n\u003C/p\u003E\u003Cp\u003E\u003Cb\u003EProject Status:\u003C/b\u003E Complete\n\u003C/p\u003E\u003Cp\u003E\u003Cb\u003EThemes:\u003C/b\u003E Habitat and biodiversity\n\u003C/p\u003E\u003Cp\u003E\u003Cbr /\u003E\n\u003C/p\u003E","title":"Diversion of the River Nith","link":"","lat":55.378464490902,"lon":-4.3031544685364,"icon":"/wiki/images/a/af/Red_marker.png"}]}

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	Economic aspects, Habitat and biodiversity
Country	Scotland
Main contact forename	Nick
Main contact surname	Elbourne
Main contact user ID	User:NickRRC
Contact organisation	River Restoration Centre
Contact organisation web site
Partner organisations	East Ayrshire Council, SEPA, SNH, RSPB, Nith Salmon Fisheries Board, New Cumnock Angling Association, Halcrow, River Restoration Centre
Parent multi-site project
This is a parent project encompassing the following projects	No

Plan of Nith channel diversion. From RRC Manual of Techniques (2002) - courtesy of the River Restoration Centre.

Project summary

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

Monitoring surveys and results

This case study hasn’t got any Monitoring survey and results, you can add some by editing the project overview.

Lessons learnt

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

Catchment and subcatchment

Select a catchment/subcatchment

Edit the catchment and subcatchment details
(affects all case studies in this subcatchment)

Catchment

River basin district	Scotland RBD
River basin	Solway

Subcatchment

River name	Nith
Area category	1000 - 10000 km²
Area (km2)	12301,230 km² <br />123,000 ha <br />
Maximum altitude category	200 - 500 m
Maximum altitude (m)	500500 m <br />0.5 km <br />50,000 cm <br />
Dominant geology
Ecoregion	Great Britain
Dominant land cover
Waterbody ID

Site

Edit site

Name	Nith, west of New Cumnock
WFD water body codes	10612
WFD (national) typology	Mid, Small, Calcareous
WFD water body name	River Nith (u/s New Cumnock)
Pre-project morphology
Reference morphology	Retain hydromorphology and planform of former channel.
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	Mixed gravel, pebble and boulder
River corridor land use	Pasture and open-cast mining.
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)	30003,000 m <br />3 km <br />300,000 cm <br />
Project started
Works started	2000/04/01
Works completed	2000/09/01
Project completed
Total cost category	more than 10000 k€
Total cost (k€)	39000003,900,000 k€ <br />3,900,000,000 € <br />
Benefit to cost ratio
Funding sources	Developer (mining company)

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			University of Stirling

Reasons for river restoration

Edit reasons for restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project	Original course running over coal deposits. Channel diverted to exploit resource, while maintaining WFD status.

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

Image gallery

Edit Image gallery

Additional documents and videos

Upload additional documents

Additional links and references

Edit links and references

Link	Description

Supplementary Information

Edit Supplementary Information