Articles | Volume 18, issue 22
https://doi.org/10.5194/acp-18-16409-2018
https://doi.org/10.5194/acp-18-16409-2018
Research article
 | 
19 Nov 2018
Research article |  | 19 Nov 2018

Chemical characteristics of brown carbon in atmospheric particles at a suburban site near Guangzhou, China

Yi Ming Qin, Hao Bo Tan, Yong Jie Li, Zhu Jie Li, Misha I. Schurman, Li Liu, Cheng Wu, and Chak K. Chan

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Cited articles

Andreae, M. O. and Gelencsér, A.: Black carbon or brown carbon? The nature of light-absorbing carbonaceous aerosols, Atmos. Chem. Phys., 6, 3131–3148, https://doi.org/10.5194/acp-6-3131-2006, 2006. 
Arnott, W. P., Hamasha, K., Moosmüller, H., Sheridan, P. J., and Ogren, J. A.: Towards aerosol light-absorption measurements with a 7-wavelength aethalometer: Evaluation with a photoacoustic instrument and 3-wavelength nephelometer, Aerosol Sci. Tech., 39, 17–29, https://doi.org/10.1080/027868290901972, 2005. 
Bergstrom, R. W., Pilewskie, P., Russell, P. B., Redemann, J., Bond, T. C., Quinn, P. K., and Sierau, B.: Spectral absorption properties of atmospheric aerosols, Atmos. Chem. Phys., 7, 5937–5943, https://doi.org/10.5194/acp-7-5937-2007, 2007. 
Bond, T. C. and Bergstrom, R. W.: Light Absorption by Carbonaceous Particles: An Investigative Review, Aerosol Sci. Tech., 40, 27–67, https://doi.org/10.1080/02786820500421521, 2006. 
Budisulistiorini, S. H., Riva, M., Williams, M., Chen, J., Itoh, M., Surratt, J. D., and Kuwata, M.: Light-Absorbing Brown Carbon Aerosol Constituents from Combustion of Indonesian Peat and Biomass, Environ. Sci. Technol., 51, 4415–4423, https://doi.org/10.1021/acs.est.7b00397, 2017. 
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We developed the relationship between the chemical and optical characteristics of BrC in Guangzhou, China. We determined wavelength-dependent mass absorption coefficients of organic aerosol with different sources. The BrC absorption coefficient was associated with N-containing ion fragments and depended on their degrees of unsaturation/cyclization and oxygenation.
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