Articles | Volume 19, issue 22
Atmos. Chem. Phys., 19, 14403–14415, 2019
https://doi.org/10.5194/acp-19-14403-2019

Special issue: Multiphase chemistry of secondary aerosol formation under...

Atmos. Chem. Phys., 19, 14403–14415, 2019
https://doi.org/10.5194/acp-19-14403-2019
Research article
28 Nov 2019
Research article | 28 Nov 2019

Impact of anthropogenic emissions on biogenic secondary organic aerosol: observation in the Pearl River Delta, southern China

Yu-Qing Zhang et al.

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Latest update: 15 May 2022
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Short summary
BSOA formation is affected by human activities, which are not well understood in polluted areas. In the polluted PRD region, we find that monoterpene SOA is aged, which probably results from high Ox and sulfate levels. NOx levels significantly affect isoprene SOA formation pathways. An unexpected increase of β-caryophyllene SOA in winter is also highly associated with enhanced biomass burning, Ox, and sulfate. Our results indicate that BSOA could be reduced by lowering anthropogenic emissions.
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