Articles | Volume 21, issue 23
https://doi.org/10.5194/acp-21-18055-2021
https://doi.org/10.5194/acp-21-18055-2021
Research article
 | 
09 Dec 2021
Research article |  | 09 Dec 2021

Method to quantify black carbon aerosol light absorption enhancement with a mixing state index

Gang Zhao, Tianyi Tan, Yishu Zhu, Min Hu, and Chunsheng Zhao

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Cited articles

Bohren, C. F. and Huffman, D. R.: Absorption and Scattering by a Sphere, in: Absorption and Scattering of Light by Small Particles, Wiley-VCH Verlag GmbH, 82–129, https://doi.org/10.1002/9783527618156, 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. 
Bondy, A. L., Bonanno, D., Moffet, R. C., Wang, B., Laskin, A., and Ault, A. P.: The diverse chemical mixing state of aerosol particles in the southeastern United States, Atmos. Chem. Phys., 18, 12595–12612, https://doi.org/10.5194/acp-18-12595-2018, 2018. 
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Short summary
In this study, the black carbon (BC) mixing state index (χ) is developed to quantify the dispersion of ambient black carbon aerosol mixing states based on binary systems of BC and other non-black carbon components. We demonstrate that the BC light absorption enhancement increases with χ for the same MR, which indicates that χ can be employed as a factor to constrain the light absorption enhancement of ambient BC.
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