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Volume 17, issue 17
Atmos. Chem. Phys., 17, 10245–10258, 2017
https://doi.org/10.5194/acp-17-10245-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 17, 10245–10258, 2017
https://doi.org/10.5194/acp-17-10245-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 01 Sep 2017

Research article | 01 Sep 2017

Impacts of traffic emissions on atmospheric particulate nitrate and organics at a downwind site on the periphery of Guangzhou, China

Yi Ming Qin et al.

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Cited articles

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Arimoto, R., Duce, R. A., Savoie, D. L., Prospero, J. M., Talbot, R., Cullen, J. D., Tomza, U., Lewis, N. F., and Ray, B. J.: Relationships among aerosol constituents from Asia and the North Pacific during PEM-West A, J. Geophys. Res., 101, 2011–2023, https://doi.org/10.1029/95JD01071, 1996.
Canagaratna, M. R., Jimenez, J. L., Kroll, J. H., Chen, Q., Kessler, S. H., Massoli, P., Hildebrandt Ruiz, L., Fortner, E., Williams, L. R., Wilson, K. R., Surratt, J. D., Donahue, N. M., Jayne, J. T., and Worsnop, D. R.: Elemental ratio measurements of organic compounds using aerosol mass spectrometry: characterization, improved calibration, and implications, Atmos. Chem. Phys., 15, 253–272, https://doi.org/10.5194/acp-15-253-2015, 2015.
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Short summary
Freshly emitted HOA contributed significantly to the high concentrations of organics at night as heavy-duty vehicles enter downtown Guangzhou, while SOA contributed to the daytime high concentration. The large input of NOx, from automobile emissions, resulted in the significant formation of nitrate in both daytime and nighttime. Mitigating the PM pollution in urbanized areas such as Guangzhou can potentially benefit their peripheral cities, by reductions in traffic-related pollutants.
Freshly emitted HOA contributed significantly to the high concentrations of organics at night as...
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