Articles | Volume 22, issue 10
https://doi.org/10.5194/acp-22-7071-2022
https://doi.org/10.5194/acp-22-7071-2022
Measurement report
 | 
01 Jun 2022
Measurement report |  | 01 Jun 2022

Measurement report: Variations in surface SO2 and NOx mixing ratios from 2004 to 2016 at a background site in the North China Plain

Xueli Liu, Liang Ran, Weili Lin, Xiaobin Xu, Zhiqiang Ma, Fan Dong, Di He, Liyan Zhou, Qingfeng Shi, and Yao Wang

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Cited articles

Bai, J., Wu, Y., Chai, W., Wang, P., and Wang, G.: Long-term variation of trace gases and particulate matter at an atmospheric background station in North China (in Chinese), Adv. Geosci., 5, 248–263, https://doi.org/10.12677/AG.2015.53025, 2015. 
Cai, K., Zhang, Q., Li, S., Li, Y., and Ge, W.: Spatial-temporal variations in NO2 and PM2.5 over the Chengdu-Chongqing economic zone in China during 2005–2015 based on satellite remote sensing, Sensors-Basel, 18, 3950, https://doi.org/10.3390/s18113950, 2018. 
Chen, C.: Analysis of atmospheric pollutants characteristics in the typical suburban station of North China, Master thesis, Nanjing University of Information Science and Technology, https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CMFD& dbname=CMFD201801&filename=1017295870.nh&v=MTA0 NzJUM3FUcldNMUZyQ1VSN2lmWXVSckZ5RGdWcnJKV kYyNkdiR3hHOW5McjVFYlBJUjhlWDFMdXhZUzdEaDE=, last access: 5 June 2017 (in Chinese). 
Chen, L.: Measure and study on the atmospheric pollutants in three typical regional background stations of China, Master thesis, Lanzhou University, https://kns.cnki.net/kcms/detail/detail.aspx?dbcode=CMFD& dbname=CMFD2012&filename=1012373772.nh&v=MzIx MDM2SExDL0hkYkxyWkViUElSOGVYMUx1eFlTN0RoM VQzcVRyV00xRnJDVVI3aWZZdVJyRkNua1VyL0JWRjI=, last access: 30 May 2012 (in Chinese). 
Chen, T., Chang, K., and Tsai, C.: Modeling approach for emissions reduction of primary PM2.5 and secondary PM2.5 precursors to achieve the air quality target, Atmos. Res., 192, 11–18, https://doi.org/10.1016/j.atmosres.2017.03.018, 2017. 
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Short summary
Significant decreases in annual mean NOx from 2011 to 2016 and SO2 from 2008 to 2016 confirm the effectiveness of relevant control measures on the reduction in NOx and SO2 emissions in the North China Plain (NCP). NOx at SDZ had a weaker influence than SO2 on the emission reduction in Beijing and other areas in the NCP. An increase in the number of motor vehicles and weak traffic restrictions have caused vehicle emissions of NOx, which indicates that NOx emission control should be strengthened.
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