Sources of organic gases and aerosol particles and their roles in nighttime particle growth at a rural forested site in southwest Germany

Song, Junwei; Saathoff, Harald; Jiang, Feng; Gao, Linyu; Zhang, Hengheng; Leisner, Thomas

doi:https://doi.org/10.5194/acp-24-6699-2024

Articles | Volume 24, issue 11

https://doi.org/10.5194/acp-24-6699-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-24-6699-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 24, issue 11

Research article

|

10 Jun 2024

Research article |

| 10 Jun 2024

Sources of organic gases and aerosol particles and their roles in nighttime particle growth at a rural forested site in southwest Germany

Junwei Song, Harald Saathoff, Feng Jiang, Linyu Gao, Hengheng Zhang, and Thomas Leisner

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https://doi.org/10.5194/acp-24-6699-2024-supplement

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Sources of organic gases and aerosol particles and their roles in nighttime particle growth at a rural forested site in southwest Germany Junwei Song et al. https://doi.org/10.35097/zjacMoCUyEYFyvBR

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Short summary

This study presents concurrent online measurements of organic gas and particles (VOCs and OA) at a forested site in summer. Both VOCs and OA were largely contributed by oxygenated organic compounds. Semi-volatile oxygenated OA and organic nitrate formed from monoterpenes and sesquiterpenes contributed significantly to nighttime particle growth. The results help us to understand the causes of nighttime particle growth regularly observed in summer in central European rural forested environments.