Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 16, issue 15
Articles | Volume 16, issue 15
https://doi.org/10.5194/acp-16-10097-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-10097-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 16, issue 15
Research article
 | 
11 Aug 2016
Research article |  | 11 Aug 2016

The possible contribution of the periodic emissions from farmers' activities in the North China Plain to atmospheric water-soluble ions in Beijing

Pengfei Liu, Chenglong Zhang, Yujing Mu, Chengtang Liu, Chaoyang Xue, Can Ye, Junfeng Liu, Yuanyuan Zhang, and Hongxing Zhang

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Short summary
The periodic emissions from farmers' activities in the NCP were found to make a great contribution to atmospheric WSIs in Beijing: crop straw burning contributed to K+ in Beijing; coal combustion for heating by farmers in winter and the use of NH4Cl fertilizers in the NCP contributed to Cl− in Beijing. The harvest and soil ploughing in autumn contributed to the regional Ca2+. In addition, the mineral dust greatly accelerated formation of sulfate and nitrate through heterogeneous reactions.
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