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DOI10.5194/acp-22-9513-2022
Measurement report: On the contribution of long-distance transport to the secondary aerosol formation and aging
Zhong, Haobin; Huang, Ru-Jin; Lin, Chunshui; Xu, Wei; Duan, Jing; Gu, Yifang; Huang, Wei; Ni, Haiyan; Zhu, Chongshu; You, Yan; Wu, Yunfei; Zhang, Renjian; Ovadnevaite, Jurgita; Ceburnis, Darius; O'Dowd, Colin D.
发表日期2022
ISSN1680-7316
EISSN1680-7324
起始页码9513
结束页码9524
卷号22期号:14页码:12
英文摘要To investigate the physio-chemical properties of aerosol transported from major pollution regions in China, observations were conducted similar to 200 m above the ground at the junction location of the North China Plain and Fenwei Basin, which are two regions of top priority for China's Blue Sky Campaign. We identified three pollution transport sectors including those from Beijing-Tianjin-Hebei (BTH), urban Guanzhong Basin (GZB) and northern China and one clean transport sector from the rural Guanzhong Basin region. Secondary inorganic aerosol (SIA) constituted a major fraction (39 %-46 %) in all pollution transport sectors, with a high sulfur oxidation ratio (0.44-0.58) and a high nitrogen oxidation ratio (0.24-0.29), suggesting efficient formation of secondary inorganic aerosol during regional transport. More oxidized oxygenated organic aerosol (MO-OOA) played a dominant role in the source of organic aerosol in all sectors including the clean one, accounting for 42 %-58 % of total organic aerosol. Elemental analysis (O and C) shows that aerosol particles at this receptor site were much more oxidized than in urban regions, pointing that long-range transport contributed markedly to the organic aerosol oxidation and aging. Case studies of pollution events with high sulfate, nitrate and more-oxidized oxygenated organic aerosol production rate indicate the strong formation efficiency of secondary aerosol during regional transport in the Beijing-Tianjin-Hebei transport sector.
学科领域Environmental Sciences; Meteorology & Atmospheric Sciences
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000828648900001
来源期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/273612
作者单位Chinese Academy of Sciences; Institute of Earth Environment, CAS; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Laoshan Laboratory; Macau University of Science & Technology; Chinese Academy of Sciences; Institute of Atmospheric Physics, CAS; Xi'an Jiaotong University
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GB/T 7714
Zhong, Haobin,Huang, Ru-Jin,Lin, Chunshui,et al. Measurement report: On the contribution of long-distance transport to the secondary aerosol formation and aging[J],2022,22(14):12.
APA Zhong, Haobin.,Huang, Ru-Jin.,Lin, Chunshui.,Xu, Wei.,Duan, Jing.,...&O'Dowd, Colin D..(2022).Measurement report: On the contribution of long-distance transport to the secondary aerosol formation and aging.ATMOSPHERIC CHEMISTRY AND PHYSICS,22(14),12.
MLA Zhong, Haobin,et al."Measurement report: On the contribution of long-distance transport to the secondary aerosol formation and aging".ATMOSPHERIC CHEMISTRY AND PHYSICS 22.14(2022):12.
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