Articles | Volume 18, issue 24
Atmos. Chem. Phys., 18, 17769–17800, 2018
https://doi.org/10.5194/acp-18-17769-2018
Atmos. Chem. Phys., 18, 17769–17800, 2018
https://doi.org/10.5194/acp-18-17769-2018
Research article
14 Dec 2018
Research article | 14 Dec 2018

Secondary organic aerosol production from local emissions dominates the organic aerosol budget over Seoul, South Korea, during KORUS-AQ

Benjamin A. Nault et al.

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Short summary
Aerosol impacts visibility and human health in large cities. Sources of aerosols are still highly uncertain, especially for cities surrounded by numerous other cities. We use observations collected during the Korea–United States Air Quality study to determine sources of organic aerosol (OA). We find that secondary OA (SOA) is rapidly produced over Seoul, South Korea, and that the sources of the SOA originate from short-lived hydrocarbons, which originate from local emissions.
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