Articles | Volume 22, issue 10
https://doi.org/10.5194/acp-22-6919-2022
© Author(s) 2022. 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-22-6919-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 May 2022
Research article |
| 30 May 2022
| 30 May 2022
Molecular characteristics, sources, and formation pathways of organosulfur compounds in ambient aerosol in Guangzhou, South China
Hongxing Jiang
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Fudan University, Shanghai 200433, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
University of Chinese Academy of Sciences, Beijing, 100049, China
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Jiao Tang
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Min Cui
College of Environmental Science and Engineering, Yangzhou University,
225009, Yangzhou, China
Shizhen Zhao
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Yangzhi Mo
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Chongguo Tian
Key Laboratory of Coastal Environmental Processes and Ecological
Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of
Sciences, Yantai, 264003, China
Xiangyun Zhang
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Bin Jiang
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Yuhong Liao
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
Yingjun Chen
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Fudan University, Shanghai 200433, China
Gan Zhang
State Key Laboratory of Organic Geochemistry, Guangdong province Key
Laboratory of Environmental Protection and Resources Utilization, and
Guangdong-Hong Kong-Macao Joint Laboratory for Environmental Pollution and
Control, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences,
Guangzhou, 510640, China
CAS Center for Excellence in Deep Earth Science, Guangzhou, 510640,
China
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Wei Sun, Yuzhen Fu, Guohua Zhang, Yuxiang Yang, Feng Jiang, Xiufeng Lian, Bin Jiang, Yuhong Liao, Xinhui Bi, Duohong Chen, Jianmin Chen, Xinming Wang, Jie Ou, Ping'an Peng, and Guoying Sheng
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This article provides a combined EEM–PARAFAC and statistical analysis method to explore how excitation–emission matrix (EEM) chromophores influence BrC light absorption in soluble organic matter. The application enables us to deduce that BrC absorption is mainly dependent on longer-emission-wavelength chromophores largely associated with biomass burning emissions. This method promotes the application of EEM spectroscopy and helps us understand the light absorption of BrC in the atmosphere.
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Jianzhong Sun, Yuzhe Zhang, Guorui Zhi, Regina Hitzenberger, Wenjing Jin, Yingjun Chen, Lei Wang, Chongguo Tian, Zhengying Li, Rong Chen, Wen Xiao, Yuan Cheng, Wei Yang, Liying Yao, Yang Cao, Duo Huang, Yueyuan Qiu, Jiali Xu, Xiaofei Xia, Xin Yang, Xi Zhang, Zheng Zong, Yuchun Song, and Changdong Wu
Atmos. Chem. Phys., 21, 2329–2341, https://doi.org/10.5194/acp-21-2329-2021, https://doi.org/10.5194/acp-21-2329-2021, 2021
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Brown carbon (BrC) emission factors from household biomass fuels were measured with an integrating sphere optics approach supported by iterative calculations. A novel algorithm to directly estimate the absorption contribution of BrC relative to that of BrC + black carbon (FBrC) was proposed based purely on the absorption exponent (AAE)
(FBrC = 0.5519 lnAAE + 0.0067). The FBrC for household biomass fuels was as high as 50.8 % across the strongest solar spectral range of 350−850 nm.
Qingcai Chen, Haoyao Sun, Wenhuai Song, Fang Cao, Chongguo Tian, and Yan-Lin Zhang
Atmos. Chem. Phys., 20, 14407–14417, https://doi.org/10.5194/acp-20-14407-2020, https://doi.org/10.5194/acp-20-14407-2020, 2020
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This study found environmentally persistent free radicals (EPFRs) are widely present in atmospheric particles of different particle sizes and exhibit significant particle size distribution characteristics. EPFR concentrations are higher in coarse particles than in fine particles in summer and vice versa in winter. The potential toxicity caused by EPFRs may also vary with particle size and season. Combustion is the most important source of EPFRs (>70 %).
Cited articles
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Short summary
We conducted field observation employing Fourier transform ion cyclotron resonance mass spectrometry to characterize the molecular composition and major formation pathways or sources of organosulfur compounds in Guangzhou, where is heavily influenced by biogenic–anthropogenic interactions and has high relative humidity and temperature. We suggested that heterogeneous reactions such as SO2 uptake and heterogeneous oxidations are important to the molecular variations of organosulfur compounds.
We conducted field observation employing Fourier transform ion cyclotron resonance mass...
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