Articles | Volume 17, issue 18
https://doi.org/10.5194/acp-17-11491-2017
https://doi.org/10.5194/acp-17-11491-2017
Research article
 | 
27 Sep 2017
Research article |  | 27 Sep 2017

Sources of non-fossil-fuel emissions in carbonaceous aerosols during early winter in Chinese cities

Di Liu, Jun Li, Zhineng Cheng, Guangcai Zhong, Sanyuan Zhu, Ping Ding, Chengde Shen, Chongguo Tian, Yingjun Chen, Guorui Zhi, and Gan Zhang

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Latest update: 01 Apr 2025
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Short summary
To elucidate the carbon sources of air pollution, source apportionment was conducted using radiocarbon and unique molecular organic tracers during the beginning of winter 2013 in 10 Chinese cities. The results indicated that non-fossil-fuel (NF) emissions were predominant. During haze episodes, there were no dramatic changes in the carbon source or composition in the cities under study, but the contribution of primary OC from both fossil fuel and NF increased significantly.
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