Articles | Volume 21, issue 3
Atmos. Chem. Phys., 21, 2251–2265, 2021
https://doi.org/10.5194/acp-21-2251-2021

Special issue: In-depth study of air pollution sources and processes within...

Atmos. Chem. Phys., 21, 2251–2265, 2021
https://doi.org/10.5194/acp-21-2251-2021

Research article 16 Feb 2021

Research article | 16 Feb 2021

Persistent residential burning-related primary organic particles during wintertime hazes in North China: insights into their aging and optical changes

Lei Liu et al.

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Latest update: 26 Nov 2021
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Short summary
We found that large numbers of light-absorbing primary organic particles with high viscosity, especially tarballs, from domestic coal and biomass burning occurred in rural and even urban hazes in the winter of North China. For the first time, we characterized the atmospheric aging process of these burning-related primary organic particles by microscopic analysis and further evaluated their light absorption enhancement resulting from the “lensing effect” of secondary inorganic coatings.
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