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Impact of roof surface runoff on urban water quality

Egodawatta, Prasanna, Miguntanna, Nadeeka Sajeewani, & Goonetilleke, Ashantha (2012) Impact of roof surface runoff on urban water quality. Water Science and Technology, 66(7), pp. 1527-1533.

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Abstract

The pollutant impacts of urban stormwater runoff on receiving waters are well documented in research literature. However, it is road surfaces that are commonly identified as the significant pollutant source. This paper presents the outcomes of an extensive program of research into the role of roof surfaces in urban water quality with particular focus on solids, nutrients and organic carbon. The outcomes confirmed that roof surfaces play an important role in influencing the pollutant characteristics of urban stormwater runoff. Pollutant build-up and wash-off characteristics for roads and roof surfaces were found to be appreciably different. The pollutant wash-off characteristics exhibited by roof surfaces show that it influences the first flush phenomenon more significantly than road surfaces. In most urban catchments, as roof surfaces constitutes a higher fraction of impervious area compared to road surfaces, it is important that the pollutant generation role of roof surfaces is specifically taken into consideration in stormwater quality mitigation strategies.

Impact and interest:

2 citations in Scopus
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1 citations in Web of Science®

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10 since deposited on 30 Aug 2012
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ID Code: 53405
Item Type: Journal Article
Keywords: roof surface runoff, stormwater pollution, urban water quality
DOI: 10.2166/wst.2012.348
ISSN: 0273-1223
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Design (090701)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2012 International Water Association
Deposited On: 31 Aug 2012 09:11
Last Modified: 04 Sep 2013 05:41

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