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Mapping hazard from urban non-point pollution: A screening model to support sustainable urban drainage planning

Mitchell, G. (2005) Mapping hazard from urban non-point pollution: A screening model to support sustainable urban drainage planning. Journal of Environmental Management, 74 (1). pp. 1-9. ISSN 0301-4797

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Non-point sources of pollution are difficult to identify and control, and are one of the main reasons that urban rivers fail to reach the water quality objectives set for them. Whilst sustainable drainage systems (SuDS) are available to help combat this diffuse pollution, they are mostly installed in areas of new urban development. However, SuDS must also be installed in existing built areas if diffuse loadings are to be reduced. Advice on where best to locate SuDS within existing built areas is limited, hence a semi-distributed stochastic GIS-model was developed to map small-area basin-wide loadings of 18 key stormwater pollutants. Load maps are combined with information on surface water quality objectives to permit mapping of diffuse pollution hazard to beneficial uses of receiving waters. The model thus aids SuDS planning and strategic management of urban diffuse pollution. The identification of diffuse emission ‘hotspots’ within a water quality objectives framework is consistent with the ‘combined’ (risk assessment) approach to pollution control advocated by the EU Water Framework Directive.

Item Type: Article
Copyright, Publisher and Additional Information: © 2005 Elsevier B.V. This is an author produced version of a paper published in Journal of Environmental Management. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Stormwater; Diffuse pollution; Sustainable Drainage System; River basin planning.
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Environment (Leeds) > School of Geography (Leeds)
The University of Leeds > Faculty of Environment (Leeds) > Institute for Transport Studies (Leeds)
Depositing User: Adrian May
Date Deposited: 03 Aug 2007
Last Modified: 12 Jul 2016 10:51
Published Version: http://www.sciencedirect.com/science/journal/03014...
Status: Published
Publisher: Elsevier Science
Refereed: Yes
Identification Number: 10.1016/j.jenvman.2004.08.002
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/2539

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