Understanding the physical processes of pollutant build-up and wash-off on roof surfaces

Egodawatta, Prasanna K., Thomas, Evan C., & Goonetilleke, Ashantha (2009) Understanding the physical processes of pollutant build-up and wash-off on roof surfaces. Science of the Total Environment, 407(6), pp. 1834-1841.

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Pollutants originating with roof runoff can have a significant impact to urban stormwater quality. This signifies the importance of understanding pollutant processes on roof surfaces. Additionally, knowledge of pollutant processes on roof surfaces is important as roofs are used as the primary catchment surface for domestic rainwater harvesting. In recent years, rainwater harvesting has become one of the primary sustainable water management techniques to counteract the growing demand for potable water.

Similar to all impervious services, pollutants associated with roof runoff undergo two primary processes: build-up and wash-off. The knowledge relating to these processes is limited. This paper presents outcomes of an in-depth research study into pollutant build-up and wash-off for roof surfaces. The knowledge will be important in order to develop appropriate strategies to safeguard rainwater users from possible health risks.

Impact and interest:

54 citations in Scopus
45 citations in Web of Science®
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ID Code: 26519
Item Type: Journal Article
Refereed: Yes
Keywords: Rainwater harvesting, Pollutant build-up, Pollutant wash-off, Rainfall simulation, Roof runoff
DOI: 10.1016/j.scitotenv.2008.12.027
ISSN: 0048-9697
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2009 Elsevier
Deposited On: 27 Jul 2009 23:31
Last Modified: 29 Feb 2012 13:54

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