Articles | Volume 21, issue 21
Atmos. Chem. Phys., 21, 16183–16201, 2021
https://doi.org/10.5194/acp-21-16183-2021
Atmos. Chem. Phys., 21, 16183–16201, 2021
https://doi.org/10.5194/acp-21-16183-2021
Research article
04 Nov 2021
Research article | 04 Nov 2021

Process-based and observation-constrained SOA simulations in China: the role of semivolatile and intermediate-volatility organic compounds and OH levels

Ruqian Miao et al.

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We apply process-based and observation-constrained schemes to simulate organic aerosol in China and conduct comprehensive model–observation comparisons. The results show that anthropogenic semivolatile and intermediate-volatility organic compounds (SVOCs and IVOCs) are the main sources of secondary organic aerosol (SOA) in polluted regions, for which the residential sector is perhaps the predominant contributor. The hydroxyl radical level is also important for SOA modeling in polluted regions.
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