Articles | Volume 23, issue 24
https://doi.org/10.5194/acp-23-15197-2023
https://doi.org/10.5194/acp-23-15197-2023
Measurement report
 | 
14 Dec 2023
Measurement report |  | 14 Dec 2023

Measurement report: Brown carbon aerosol in polluted urban air of the North China Plain – day–night differences in the chromophores and optical properties

Yuquan Gong, Ru-Jin Huang, Lu Yang, Ting Wang, Wei Yuan, Wei Xu, Wenjuan Cao, Yang Wang, and Yongjie Li

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Cited articles

Alcanzare, R. J. C.: Polycyclic aromatic compounds in wood soot extracts from Henan, China, M.Sc. Thesis, The Department of Chemical Engineering, Louisiana State University and Agricultural and Mechanical College, Baton Rouge, LA, 132, https://doi.org/10.31390/gradschool_theses.2377, 2006. 
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Chen, L.-W. A., Chow, J. C., Wang, X., Cao, J., Mao, J., and Watson, J. G.: Brownness of Organic Aerosol over the United States: Evidence for Seasonal Biomass Burning and Photobleaching Effects, Environ. Sci. Technol., 55, 8561–8572, https://doi.org/10.1021/acs.est.0c08706, 2021. 
Chen, Y. and Bond, T. C.: Light absorption by organic carbon from wood combustion, Atmos. Chem. Phys., 10, 1773–1787, https://doi.org/10.5194/acp-10-1773-2010, 2010. 
Cheng, X., Chen, Q., Li, Y., Huang, G., Liu, Y., Lu, S., Zheng, Y., Qiu, W., Lu, K., Qiu, X., Bianchi, F., Yan, C., Yuan, B., Shao, M., Wang, Z., Canagaratna, M. R., Zhu, T., Wu, Y., and Zeng, L.: Secondary Production of Gaseous Nitrated Phenols in Polluted Urban Environments, Environ. Sci. Technol., 55, 4410-4419, https://doi.org/10.1021/acs.est.0c07988, 2021. 
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This study reveals the large day–night differences in brown carbon (BrC) chromophore composition, which was not known previously. The results provide insights into the effects of atmospheric processes and emissions on BrC composition.
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