期刊
ENVIRONMENTAL POLLUTION
卷 158, 期 8, 页码 2541-2545出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2010.05.021
关键词
Roads; Runoff; Stormwater; Pollution; First flush; Heavy metals; Pollutant loads
资金
- Australian Research Council [LP0455486]
- Australian Research Council [LP0455486] Funding Source: Australian Research Council
Trace metal export by stormwater runoff from a major road and local street in urban Sydney, Australia, is compared using pollutant yield rating curves derived from intensive sampling data. The event loads of copper, lead and zinc are well approximated by logarithmic relationships with respect to total event discharge owing to the reliable appearance of a first flush in pollutant mass loading from urban roads. Comparisons of the yield rating curves for these three metals show that copper and zinc export rates from the local street are comparable with that of the major road, while lead export from the local street is much higher, despite a 45-fold difference in traffic volume. The yield rating curve approach allows problematic environmental data to be presented in a simple yet meaningful manner with less information loss. (C) 2010 Elsevier Ltd. All rights reserved.
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