Articles | Volume 20, issue 12
https://doi.org/10.5194/acp-20-7595-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/acp-20-7595-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
01 Jul 2020
Research article |
| 01 Jul 2020
| 01 Jul 2020
Characterization of submicron particles by time-of-flight aerosol chemical speciation monitor (ToF-ACSM) during wintertime: aerosol composition, sources, and chemical processes in Guangzhou, China
Junchen Guo
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Shengzhen Zhou
CORRESPONDING AUTHOR
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519082, P. R. China
Mingfu Cai
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai, 519082, P. R. China
Wei Song
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, P. R. China
Weixiong Zhao
Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, P. R. China
Weiwei Hu
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, P. R. China
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, P. R. China
Yao He
State Key Laboratory of Atmospheric Boundary Layer Physics and
Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of
Sciences, Beijing 100029, P. R. China
Chengqiang Yang
Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, P. R. China
Xuezhe Xu
Laboratory of Atmospheric Physico-Chemistry, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, P. R. China
Zhisheng Zhang
South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
Peng Cheng
Institute of Technology on Atmospheric Environmental Safety and
Pollution Control, Jinan University, Guangzhou, 510632, P. R. China
Qi Fan
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Jian Hang
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Shaojia Fan
School of Atmospheric Sciences, Guangdong Province Key Laboratory for Climate Change and Natural Disaster Studies, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Institute of Earth Climate and Environment System, Sun Yat-sen University, Guangzhou, 510275, P. R. China
Xinming Wang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, P. R. China
Xuemei Wang
Institute for Environmental and Climate Research, Jinan University,
Guangzhou, 511443, P. R. China
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Latest update: 08 Jul 2025
Short summary
We characterized non-refractory submicron particulate matter (PM1.0) during winter in Guangzhou, south China. Chemical composition and key sources of ambient PM1.0 are revealed, highlighting the significant role of SOA. The relationship with SOA and peroxy radicals indicated gas-phase oxidation contributed predominantly to SOA formation during non-pollution periods, while heterogeneous/multiphase reactions played more important roles in SOA formation during pollution periods.
We characterized non-refractory submicron particulate matter (PM1.0) during winter in Guangzhou,...
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