Characterising metal build-up on urban road surfaces

Egodawatta, Prasanna, Ziyath, Abdul Mohamed, & Goonetilleke, Ashantha (2013) Characterising metal build-up on urban road surfaces. Environmental Pollution, 176, pp. 87-91.

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Reliable approaches for predicting pollutant build-up are essential for accurate urban stormwater quality modelling. Based on the in-depth investigation of metal build-up on residential road surfaces, this paper presents empirical models for predicting metal loads on these surfaces. The study investigated metals commonly present in the urban environment. Analysis undertaken found that the build-up process for metals primarily originating from anthropogenic (copper and zinc) and geogenic (aluminium, calcium, iron and manganese) sources were different. Chromium and nickel were below detection limits. Lead was primarily associated with geogenic sources, but also exhibited a significant relationship with anthropogenic sources. The empirical prediction models developed were validated using an independent data set and found to have relative prediction errors of 12-50%, which is generally acceptable for complex systems such as urban road surfaces. Also, the predicted values were very close to the observed values and well within 95% prediction interval.

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25 citations in Scopus
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22 citations in Web of Science®

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ID Code: 57345
Item Type: Journal Article
Refereed: Yes
Keywords: pollutant build-up, metal build-up, stormwater pollution, stormwater quality, urban water quality
DOI: 10.1016/j.envpol.2013.01.021
ISSN: 0269-7491
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
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: Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Elsevier Ltd.
Deposited On: 19 Feb 2013 01:45
Last Modified: 08 Aug 2014 15:25

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