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Size selected particles in an urban atmosphere of Brisbane, Australia

Thomas, Stephen B. & Morawska, Lidia (2002) Size selected particles in an urban atmosphere of Brisbane, Australia. Atmospheric Environment, 36(26), pp. 4277-4288.

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Abstract

Interpretations of source contributions and the behaviour of particles in the urban atmosphere of Brisbane were made by comparing the results of elemental analyses with the measured meteorological conditions, PM10, light scattering, gaseous pollutant concentrations and particle size distributions. Carbon was determined to be the most abundant element in the fine particles. Although many of the other elements in the greater relative abundances are usually associated with natural origins, the major influence resulting in changes to fine particle mass was concluded to be by elements from anthropogenic sources. This conclusion was based on the significant positive relationships between the anthropogenic elements (eg., Pb, Br, C, Ti, V, Mn etc.) with the fine particle mass. The major influence on the PM10 mass concentrations was determined to be the elements usually associated with natural origins such as Na and Cl. In addition, the positive relationship of submicrometre particle number concentrations with fine particle carbon and with vehicular emitted gaseous species including NOx and CO implied a significant contribution of vehicle exhausts to aerosols in this size range.

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23 citations in Scopus
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22 citations in Web of Science®

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114 since deposited on 10 Jan 2008
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ID Code: 11573
Item Type: Journal Article
Keywords: Fine particulate aerosols, submicrometre particles, supermicrometre particles, elemental characterisation
DOI: 10.1016/S1352-2310(02)00345-X
ISSN: 1352-2310
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2002 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher
Deposited On: 10 Jan 2008
Last Modified: 09 Jun 2010 22:52

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