Articles | Volume 24, issue 22
https://doi.org/10.5194/acp-24-13065-2024
© 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-24-13065-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Nov 2024
Research article |
| 27 Nov 2024
| 27 Nov 2024
Enhanced daytime secondary aerosol formation driven by gas–particle partitioning in downwind urban plumes
Mingfu Cai
Guangdong Province Engineering Laboratory for Air Pollution Control, Guangdong Provincial Key Laboratory of Water and Air Pollution Control, South China Institute of Environmental Sciences, MEE, Guangzhou 510655, China
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Chenshuo Ye
Guangdong Provincial Academy of Environmental Science, Guangzhou, 510045, China
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Shan Huang
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
E Zheng
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Suxia Yang
Guangzhou Research Institute of Environment Protection Co., Ltd, Guangzhou 510620, China
Zelong Wang
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Yi Lin
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Tiange Li
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Weiwei Hu
State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Wei Chen
State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
Qicong Song
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Wei Li
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Yuwen Peng
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
Baoling Liang
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, and Institute of Earth Climate and Environment System, Sun Yat-sen University, Zhuhai 519082, China
Qibin Sun
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, and Institute of Earth Climate and Environment System, Sun Yat-sen University, Zhuhai 519082, China
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, and Institute of Earth Climate and Environment System, Sun Yat-sen University, Zhuhai 519082, China
Duohong Chen
Guangdong Environmental Monitoring Center, Guangzhou 510308, China
Jiaren Sun
Guangdong Province Engineering Laboratory for Air Pollution Control, Guangdong Provincial Key Laboratory of Water and Air Pollution Control, South China Institute of Environmental Sciences, MEE, Guangzhou 510655, China
Zhiyong Yang
Guangzhou Huangpu District Meteorological Bureau, Guangzhou 510530, China
Min Shao
Institute for Environmental and Climate Research, Jinan University, Guangzhou 51143, China
Guangdong-Hong Kong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Jinan University, Guangzhou 510632, China
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Latest update: 03 Mar 2025
Short summary
This study investigated the daytime secondary organic aerosol (SOA) formation in urban plumes. We observed a significant daytime SOA formation through gas–particle partitioning when the site was affected by urban plumes. A box model simulation indicated that urban pollutants (nitrogen oxide and volatile organic compounds) could enhance the oxidizing capacity, while the elevated volatile organic compounds were mainly responsible for promoting daytime SOA formation.
This study investigated the daytime secondary organic aerosol (SOA) formation in urban plumes....
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