Receptor modelling using positive matrix factorisation, back trajectories and radon-222

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dc.contributor.authorCrawford, Jen_AU
dc.contributor.authorChambers, SDen_AU
dc.contributor.authorCohen, DDen_AU
dc.contributor.authorDyer, LLen_AU
dc.contributor.authorWang, Ten_AU
dc.contributor.authorZahorowski, Wen_AU
dc.date.accessioned2008-04-07T05:00:58Zen_AU
dc.date.accessioned2010-04-30T05:02:23Zen_AU
dc.date.available2008-04-07T05:00:58Zen_AU
dc.date.available2010-04-30T05:02:23Zen_AU
dc.date.issued2007-10en_AU
dc.date.statistics2007-10en_AU
dc.description.abstractPM2.5 aerosols were sampled and atmospheric Rn-222 (radon) was measured, at Hong Kong, China, over 3 years 2001-2003. The aerosol samples were analysed using accelerator-based Ion Beam Analysis (IBA) techniques to provide quantitative information on 21 of their major and minor elemental contributions. The radon concentration on aerosol sampling days was then used to classify the degree of land contact (high or low) experienced by air masses en route to the receptor site. It was found that elements known to originate from anthropogenic sources (e.g. Zn, K, Br, Pb and Black Carbon) were positively correlated with observed radon concentration. An eight-factor Positive Matrix Factorisation (PMF) analysis was performed on the data set, which resulted in elemental profiles ("fingerprints") for eight potential sources and we identified source factors that were correlated with radon. The Potential Source Contribution Function technique was then used to identify the geographic regions most likely to have significantly contributed to the aerosol samples collected at the receptor site. © 2007, Elsevier Ltd.en_AU
dc.identifier.citationCrawford, J., Chambers, S., Cohen, D. D., Dyer, L., Wang, T., & Zahorowski, W. (2007). Receptor modelling using positive matrix factorisation, back trajectories and radon-222. Atmospheric Environment, 41(32), 6823-6837. doi:10.1016/j.atmosenv.2007.04.048en_AU
dc.identifier.govdoc1146en_AU
dc.identifier.issn1352-2310en_AU
dc.identifier.issue32en_AU
dc.identifier.journaltitleAtmospheric Environmenten_AU
dc.identifier.pagination6823-6837en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.atmosenv.2007.04.048en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1039en_AU
dc.identifier.volume41en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectReceptorsen_AU
dc.subjectMatricesen_AU
dc.subjectTrajectoriesen_AU
dc.subjectRadon 222en_AU
dc.subjectAerosolsen_AU
dc.subjectChinaen_AU
dc.titleReceptor modelling using positive matrix factorisation, back trajectories and radon-222en_AU
dc.typeJournal Articleen_AU
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