Articles | Volume 16, issue 17
https://doi.org/10.5194/acp-16-11249-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/acp-16-11249-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
12 Sep 2016
Research article |
| 12 Sep 2016
Source apportionment of PM2.5 at a regional background site in North China using PMF linked with radiocarbon analysis: insight into the contribution of biomass burning
Zheng Zong
Key Laboratory of Coastal Environmental Processes and Ecological
Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of
Sciences, Yantai, 264003, China
University of Chinese Academy of Sciences, Beijing, 100049, China
Xiaoping Wang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute
of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
Chongguo Tian
CORRESPONDING AUTHOR
Key Laboratory of Coastal Environmental Processes and Ecological
Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of
Sciences, Yantai, 264003, China
Key Laboratory of Cities' Mitigation and Adaptation to Climate
Change in Shanghai (CMA), College of Environmental Science and Engineering,
Tongji University, Shanghai, 200092, China
Lin Qu
Yantai Oceanic Environmental Monitoring Central Station, SOA,
Yantai, 264006, China
Ling Ji
Yantai Oceanic Environmental Monitoring Central Station, SOA,
Yantai, 264006, China
Guorui Zhi
Chinese Research Academy of Environmental Sciences, Beijing,
100012, China
State Key Laboratory of Organic Geochemistry, Guangzhou Institute
of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
Gan Zhang
State Key Laboratory of Organic Geochemistry, Guangzhou Institute
of Geochemistry, Chinese Academy of Sciences, Guangzhou, 510640, China
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Jiao Tang, Jun Li, Shizhen Zhao, Guangcai Zhong, Yangzhi Mo, Hongxing Jiang, Bin Jiang, Yingjun Chen, Jianhui Tang, Chongguo Tian, Zheng Zong, Jabir Hussain Syed, Jianzhong Song, and Gan Zhang
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Buqing Xu, Jiao Tang, Tiangang Tang, Shizhen Zhao, Guangcai Zhong, Sanyuan Zhu, Jun Li, and Gan Zhang
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In this study, PM2.5 samples were obtained during a winter haze event in Guangzhou, China, and light absorption and molecular composition of humic-like substances (HULIS) were investigated by UV–Vis spectrophotometry and ultrahigh-resolution mass spectrometry. The findings obtained present some differences from the results reported in other regions of China and significantly enhanced our understanding of HULIS evolution during haze bloom-decay processes in the subtropic region of southern China.
Hongxing Jiang, Jun Li, Jiao Tang, Min Cui, Shizhen Zhao, Yangzhi Mo, Chongguo Tian, Xiangyun Zhang, Bin Jiang, Yuhong Liao, Yingjun Chen, and Gan Zhang
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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.
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Short summary
We explore the source apportionment of PM2.5 in North China in winter using an original combination method, and coal combustion, biomass burning and vehicle emissions are identified as the largest contributors of PM2.5, accounting for 29.6, 19.3 and 15.8 %, respectively. Biomass burning emission was highlighted in the present study because of its dominant contribution to the PM2.5 burden in the Shandong Peninsula and because it is neglected in the air pollution control program.
We explore the source apportionment of PM2.5 in North China in winter using an original...
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