Exploratory investigation of atmospheric total suspended particulate matter and heavy metals in urban air
Gunawardena, Janaka, Egodawatta, Prasanna K., Ayoko, Godwin A., & Goonetilleke, Ashantha (2012) Exploratory investigation of atmospheric total suspended particulate matter and heavy metals in urban air. In Abedi, Jalal & Elsharkawy, Adel (Eds.) Annual International Conference on Sustainable Energy and Environmental Sciences, ScienceDirect , Hotel Fort Canning, Singapore .
Atmospheric concentration of total suspended particulate matter (TSP) and associated heavy metals are a great concern due to their adverse health impacts and contribution to stormwater pollution. This paper discusses the outcomes of a study which investigated the variation of atmospheric TSP and heavy metal concentrations with traffic and land use characteristics during weekdays and weekends. Data for this study was gathered from fifteen sites at the Gold Coast, Australia using a high volume air sampler. The study detected consistently high TSP concentrations during weekdays compared to weekends. This confirms the significant influence of traffic related sources on TSP loads during weekdays. Both traffic and land use related sources equally contribute to TSP during weekends. Almost all the measured heavy metals showed high concentration on weekdays compared to weekends indicating significant contributions from traffic related emissions. Among the heavy metals, Zn concentration was the highest followed by Pb. It is postulated that re-suspension of previously deposited reserves was the main Pb source. Soil related sources were the main contributors of Mn.
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|Item Type:||Conference Paper|
|Keywords:||traffic emissions, heavy metals, air pollutants|
|Subjects:||Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200)|
|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 2012 [please consult the author]|
|Deposited On:||15 Nov 2011 08:00|
|Last Modified:||24 Jun 2012 08:17|
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