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Molecular Composition of Oxygenated Organic Molecules and Their Contributions to Organic Aerosol in Beijing
Wang, Yonghong; Clusius, Petri; Yan, Chao; Dallenbach, Kaspar; Yin, Rujing; Wang, Mingyi; He, Xu-Cheng; Chu, Biwu; Lu, Yiqun; Dada, Lubna; Kangasluoma, Juha; Rantala, Pekka; Deng, Chenjuan; Lin, Zhuohui; Wang, Weigang; Yao, Lei; Fan, Xiaolong; Du, Wei; Cai, Jing; Heikkinen, Liine; Tham, Yee Jun; Zha, Qiaozhi; Ling, Zhenhao; Junninen, Heikki; Petaja, Tuukka; Ge, Maofa; Wang, Yuesi; He, Hong; Worsnop, Douglas R.; Kerminen, Veli-Matti; Bianchi, Federico; Wang, Lin; Jiang, Jingkun; Liu, Yongchun; Boy, Michael; Ehn, Mikael; Donahue, Neil M.; Kulmala, Markku
2022-01-18
Source PublicationENVIRONMENTAL SCIENCE & TECHNOLOGY
ISSN0013-936X
Volume56Issue:2Pages:770-778
AbstractThe understanding at a molecular level of ambient secondary organic aerosol (SOA) formation is hampered by poorly constrained formation mechanisms and insufficient analytical methods. Especially in developing countries, SOA related haze is a great concern due to its significant effects on climate and human health. We present simultaneous measurements of gas-phase volatile organic compounds (VOCs), oxygenated organic molecules (OOMs), and particle-phase SOA in Beijing. We show that condensation of the measured OOMs explains 26-39% of the organic aerosol mass growth, with the contribution of OOMs to SOA enhanced during severe haze episodes. Our novel results provide a quantitative molecular connection from anthropogenic emissions to condensable organic oxidation product vapors, their concentration in particle-phase SOA, and ultimately to haze formation.
Department大气环境与污染控制实验室 ; 大气环境与污染控制实验室
KeywordVOLATILITY BASIS-SET SULFURIC-ACID PARTICLE FORMATION HAZE POLLUTION AIR-POLLUTION CHINA OXIDATION AUTOXIDATION SPECIATION EVOLUTION
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/47416
Collection大气环境与污染控制实验室
Affiliation1.Univ Helsinki, Fac Sci, Inst Atmospher & Earth Syst Res Phys, Helsinki 00560, Finland
2.Tsinghua Univ, Sch Environm, Beijing 100084, Peoples R China
3.Carnegie Mellon Univ, Ctr Atmospher Particle Studies, Pittsburgh, PA 15213 USA
4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China
5.Fudan Univ, Dept Environm Sci & Engn, Shanghai 200438, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yonghong,Clusius, Petri,Yan, Chao,et al. Molecular Composition of Oxygenated Organic Molecules and Their Contributions to Organic Aerosol in Beijing[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2022,56(2):770-778.
APA Wang, Yonghong.,Clusius, Petri.,Yan, Chao.,Dallenbach, Kaspar.,Yin, Rujing.,...&Kulmala, Markku.(2022).Molecular Composition of Oxygenated Organic Molecules and Their Contributions to Organic Aerosol in Beijing.ENVIRONMENTAL SCIENCE & TECHNOLOGY,56(2),770-778.
MLA Wang, Yonghong,et al."Molecular Composition of Oxygenated Organic Molecules and Their Contributions to Organic Aerosol in Beijing".ENVIRONMENTAL SCIENCE & TECHNOLOGY 56.2(2022):770-778.
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