Articles | Volume 24, issue 1
https://doi.org/10.5194/acp-24-487-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-487-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Jan 2024
Research article |
| 12 Jan 2024
| 12 Jan 2024
CAMx–UNIPAR simulation of secondary organic aerosol mass formed from multiphase reactions of hydrocarbons under the Central Valley urban atmospheres of California
Yujin Jo
Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure and Environment, University of Florida, Gainesville, FL, USA
Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure and Environment, University of Florida, Gainesville, FL, USA
Sanghee Han
Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure and Environment, University of Florida, Gainesville, FL, USA
Azad Madhu
Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure and Environment, University of Florida, Gainesville, FL, USA
Bonyoung Koo
Bay Area Air Quality Management District, San Francisco, CA, USA
Yiqin Jia
Bay Area Air Quality Management District, San Francisco, CA, USA
Zechen Yu
Department of Environmental Engineering Sciences, Engineering School of Sustainable Infrastructure and Environment, University of Florida, Gainesville, FL, USA
Soontae Kim
Department of Environmental and Safety Engineering, Ajou University, Suwon, South Korea
Jinsoo Park
Air Quality Research Division, National Institute of Environmental Research, Environmental Research Complex, Incheon, South Korea
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Short summary
The CAMx–UNIPAR model simulated the SOA budget formed via multiphase reactions of hydrocarbons and the impact of emissions and climate on SOA characteristics under California’s urban environments during winter 2018. SOA growth was dominated by daytime oxidation of long-chain alkanes and nighttime terpene oxidation with O3 and NO−3 radicals. The spatial distributions of anthropogenic SOA were affected by the northwesterly wind, whereas those of biogenic SOA were insensitive to wind directions.
The CAMx–UNIPAR model simulated the SOA budget formed via multiphase reactions of hydrocarbons...
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