Use of physicochemical signatures to assess the sources of metals in urban road dust
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- 作者：Sandya Mummullage ; Prasanna Egodawatta ; p.egodawatta@qut.edu.au" class="auth_mail" title="E-mail the corresponding author ; Godwin A. Ayoko ; Ashantha Goonetilleke
- 关键词：Urban road dust ; Source identification ; Enrichment factor analysis ; Principal component analysis ; Hierarchical cluster analysis ; Stormwater quality
- 刊名：Science of the Total Environment
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：541
- 期：Complete
- 页码：1303-1309
- 全文大小：1589 K
文摘
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Use of EF analysis, PCA and HCA eliminating their deficiencies is presented.
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Na, Cu, Cd, Zn, Sn, K, Ca, Sb, Ba, Ti, Ni and Mo are generated by non-soil sources.
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Soil and asphalt wear is a mixed source. Tyre and brake wear are other sources.
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Sea salts is also one a prominent sources of metals in road deposited dust.