Articles | Volume 21, issue 4
Atmos. Chem. Phys., 21, 2959–2980, 2021
https://doi.org/10.5194/acp-21-2959-2021
Atmos. Chem. Phys., 21, 2959–2980, 2021
https://doi.org/10.5194/acp-21-2959-2021

Research article 26 Feb 2021

Research article | 26 Feb 2021

Organosulfates in atmospheric aerosols in Shanghai, China: seasonal and interannual variability, origin, and formation mechanisms

Yao Wang et al.

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Latest update: 06 Dec 2021
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Short summary
Organosulfates (OSs) are important constituents and tracers of secondary organic aerosols (SOAs) in the atmosphere. Here we characterized the OS species in ambient aerosols in Shanghai, China. We find that the contributions of OSs and SOAs to organic aerosols have increased in recent years and that OS production was largely controlled by the oxidant level (Ox), particularly in summer. We infer that mitigation of Ox pollution can effectively reduce the production of OSs and SOAs in eastern China.
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