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Analysis of build-up of heavy metals and volatile organics on urban roads in Gold Coast, Australia

Mahbub, Parvez, Goonetilleke, Ashantha, Egodawatta, Prasanna K., Yigitcanlar, Tan, & Ayoko, Godwin A. (2011) Analysis of build-up of heavy metals and volatile organics on urban roads in Gold Coast, Australia. Water Science and Technology, 63(9), pp. 2077-2085.

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Abstract

Urban water quality can be significantly impaired by the build-up of pollutants such as heavy metals and volatile organics on urban road surfaces due to vehicular traffic. Any control strategy for the mitigation of traffic related build-up of heavy metals and volatile organic pollutants should be based on the knowledge of their build-up processes. In the study discussed in this paper, the outcomes of a detailed experiment investigation into build-up processes of heavy metals and volatile organics are presented. It was found that traffic parameters such as average daily traffic, volume over capacity ratio and surface texture depth had similar strong correlations with the build-up of heavy metals and volatile organics. Multicriteria decision analyses revealed that the 1 - 74 um particulate fraction of total suspended solids (TSS) could be regarded as a surrogate indicator for particulate heavy metals in build-up and this same fraction of total organic carbon could be regarded as a surrogate indicator for particulate volatile organics build-up. In terms of pollutants affinity, TSS was found to be the predominant parameter for particulate heavy metals build-up and total dissolved solids was found to be the predominant parameter for he potential dissolved particulate fraction in heavy metals build-up. It was also found that land use did not play a significant role in the build-up of traffic generated heavy metals and volatile organics.

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4 citations in Web of Science®

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ID Code: 41820
Item Type: Journal Article
Keywords: Heavy Metals, Pollutant Build-up, Traffic Pollutants, Urban Water Quality, Volatile Organics
DOI: 10.2166/wst.2011.151
ISSN: 0273-1223
Subjects: Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > URBAN AND REGIONAL PLANNING (120500) > Urban Analysis and Development (120507)
Australian and New Zealand Standard Research Classification > BUILT ENVIRONMENT AND DESIGN (120000) > URBAN AND REGIONAL PLANNING (120500) > Urban and Regional Planning not elsewhere classified (120599)
Divisions: Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2011 International Water Association (IWA) Publishing
Copyright Statement: The definitive peer-reviewed and edited version of this article is published in Water Science and Technology 63(9), 2011, DOI:10.2166/wst.2011.151 and is available at www.iwapublishing.com.
Deposited On: 03 Jun 2011 15:45
Last Modified: 03 Jan 2013 17:56

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