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Joint Governance Regions and Major Prevention Periods of PM 2.5 Pollution in China Based on Wavelet Analysis and Concentration-Weighted Trajectory

Author

Listed:
  • Youting Li

    (College of Economics and Management, Shanghai University of Electric Power, Shanghai 200090, China
    All the authors contributed equally to this work.)

  • Wenhui Zhao

    (College of Economics and Management, Shanghai University of Electric Power, Shanghai 200090, China
    All the authors contributed equally to this work.)

  • Jianing Fu

    (Institute of Water Resources and Hydro-electric Engineering, Xi’an University of technology, Xi’an 710048, China
    All the authors contributed equally to this work.)

  • Zhiqiang Liu

    (School of Economics and Management, Shanghai University of Political Science and Law, Shanghai 201701, China
    All the authors contributed equally to this work.)

  • Congying Li

    (Medical college of Kaifeng University, Kaifeng 475000, China
    All the authors contributed equally to this work.)

  • Jingying Zhang

    (Xi’an Power Supply Company, State Grid Shaanxi Electric Power Company, Xi’an 710600, China
    All the authors contributed equally to this work.)

  • Chuan He

    (Anhui Power Exchange Center Company Limited, Hefei 230022, China
    All the authors contributed equally to this work.)

  • Kai Wang

    (Anhui Power Exchange Center Company Limited, Hefei 230022, China
    All the authors contributed equally to this work.)

Abstract

China has made some progress in controlling PM 2.5 (particulate matter with an aerodynamic diameter of ≤2.5 μm) pollution, but there are still some key areas that need further strengthening. Considering that excessive prevention and control efforts affect economic development, this paper combined an empirical orthogonal function, a continuous wavelet transform, and a concentration-weighted trajectory method to study joint regional governance during key pollution periods to provide suggestions for the efficient control of PM 2.5 . The results from our panel of data of PM 2.5 in China from 2016 to 2018 could be decomposed into two modes. In the first mode, the pollution center was in central Shaanxi Province, and the main eruption period was from November to January of the following year. As the center of this region, Xi’an should cooperate with the four cities in eastern Sichuan (Nanchong, Guangan, Bazhong, and Dazhou) to control PM 2.5 , since the eruption occurred in this area. Moreover, governance should last for at least two cycles, where one cycle is at least 23 days. The pollution center of the second mode was in the western part of Xinjiang. Therefore, after the prevention and control efforts during the first mode are completed, the regional city of Kashgar should continue to build a joint governance zone for PM 2.5 along the Tianshan mountains in the east, focusing on prevention and control over two cycles (where one cycle is 28 days).

Suggested Citation

  • Youting Li & Wenhui Zhao & Jianing Fu & Zhiqiang Liu & Congying Li & Jingying Zhang & Chuan He & Kai Wang, 2020. "Joint Governance Regions and Major Prevention Periods of PM 2.5 Pollution in China Based on Wavelet Analysis and Concentration-Weighted Trajectory," Sustainability, MDPI, vol. 12(5), pages 1-23, March.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:5:p:2019-:d:329225
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    Cited by:

    1. Shujuan Li & Enyi Zhou & Peng Zhang & Yu Xia, 2022. "A Pollution Prevention Pathway Evaluation Methodology Based on Systematic Collaborative Control," Sustainability, MDPI, vol. 14(14), pages 1-19, July.

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