Multiple pathways for the formation of secondary organic aerosol in the North China Plain in summer
Yifang Gu,Ru-Jin Huang,Jing Duan,Wei Xu,Chunshui Lin,Haobin Zhong,Ying Wang,Haiyan Ni,Quan Liu,Ruiguang Xu,Litao Wang,and Yong Jie Li
Yifang Gu
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
University of Chinese Academy of Sciences, Beijing 100049, China
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Institute of Global Environmental Change, Xi'an Jiaotong University, Xi'an 710049, China
University of Chinese Academy of Sciences, Beijing 100049, China
Jing Duan
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Haobin Zhong
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
University of Chinese Academy of Sciences, Beijing 100049, China
Ying Wang
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
Haiyan Ni
SKLLQG, Center for Excellence in Quaternary Science and Global Change, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710061, China
State Key Laboratory of Severe Weather & Key Laboratory of Atmospheric Chemistry of CMA, Chinese Academy of Meteorological Sciences, Beijing 100081, China
Ruiguang Xu
Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Engineering, Handan 056038, China
Hebei Key Laboratory of Air Pollution Cause and Impact, Handan 056038, China
Litao Wang
Department of Environmental Engineering, School of Energy and Environmental Engineering, Hebei University of Engineering, Handan 056038, China
Hebei Key Laboratory of Air Pollution Cause and Impact, Handan 056038, China
Yong Jie Li
Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau SAR 999078, China
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Secondary organic aerosol (SOA) can be produced by various pathways, but its formation mechanisms are unclear. Observations were conducted in the North China Plain during a highly oxidizing atmosphere in summer. We found that fast photochemistry dominated SOA formation during daytime. Two types of aqueous-phase chemistry (nocturnal and daytime processing) take place at high relative humidity. The potential transformation from primary organic aerosol (POA) to SOA was also an important pathway.
Secondary organic aerosol (SOA) can be produced by various pathways, but its formation...
