Articles | Volume 17, issue 24
Atmos. Chem. Phys., 17, 15121–15135, 2017
https://doi.org/10.5194/acp-17-15121-2017
Atmos. Chem. Phys., 17, 15121–15135, 2017
https://doi.org/10.5194/acp-17-15121-2017

Research article 21 Dec 2017

Research article | 21 Dec 2017

Evaluation of traffic exhaust contributions to ambient carbonaceous submicron particulate matter in an urban roadside environment in Hong Kong

Berto Paul Lee et al.

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Cited articles

Alves, C. A., Lopes, D. J., Calvo, A. I., Evtyugina, M., Rocha, S., and Nunes, T.: Emissions from light-duty diesel and gasoline in-use vehicles measured on chassis dynamometer test cycles, Aerosol Air Qual. Res., 15, 99–116, https://doi.org/10.4209/aaqr.2014.01.0006, 2015.
Ban-Weiss, G. A., McLaughlin, J. P., Harley, R. A., Lunden, M. M., Kirchstetter, T. W., Kean, A. J., Strawa, A. W., Stevenson, E. D., and Kendall, G. R.: Long-term changes in emissions of nitrogen oxides and particulate matter from on-road gasoline and diesel vehicles, Atmos. Environ., 42, 220–232, https://doi.org/10.1016/j.atmosenv.2007.09.049, 2008.
Ban-Weiss, G. A., Lunden, M. M., Kirchstetter, T. W., and Harley, R. A.: Size-resolved particle number and volume emission factors for on-road gasoline and diesel motor vehicles, J. Aerosol Sci., 41, 5–12, https://doi.org/10.1016/j.jaerosci.2009.08.001, 2010.
Belcher, S., Coceal, O., Hunt, J., Carruthers, D., and Robins, A.: A review of urban dispersion modelling, ADMLC, UK, 2013.
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Road traffic is an important source of air pollution. This study investigates the relationship between traffic-related airborne carbonaceous particles and the composition of traffic to reveal how emissions from different vehicle types affect ambient air quality. On average, LPG vehicles showed very small contributions, while gasoline- and diesel-powered vehicles emitted similar total amounts of carbon-containing particles but with differences in chemical composition.
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