Asian Journal of Atmospheric Environment

Korean Society for Atmospheric Environment (한국대기환경학회)
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Influence of Major Urban Construction on Atmospheric Particulates and Emission Reduction Measures

  • Wang, Shunyi (Department of Bridge Engineering, Southwest Jiaotong University) ;
  • Zhou, Ping (Key Laboratory of Transportation Tunnel Engineering of the Ministry of Education, Southwest Jiaotong University) ;
  • Lin, Limin (West China Hospital of Stomatology, Sichuan University) ;
  • Liu, Chuankun (Key Laboratory of Transportation Tunnel Engineering of the Ministry of Education, Southwest Jiaotong University) ;
  • Huang, Tao (School of the Earth Sciences and Environmental Engineering, Southwest Jiaotong University)
  • Received : 2018.02.15
  • Accepted : 2018.05.21
  • Published : 2018.09.30
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Abstract

In order to understand the variation of air quality and the concentration of atmospheric particulates in Chengdu Second Ring Road renovation project, this paper starts to investigate the surrounding residents' opinions on the influenced environment and their daily lives via questionnaires. Then the study numerically simulates the change rule of atmospheric particulates in terms of time and space by using the Gaussian dispersion-deposition model and the compartment model. The optimized scientific scheme is selected by the improved fuzzy analytical hierarchy process(FAHP) to help decision making for the future urban reconstructions. Finally, the reduced emissions of atmospheric particulates are measured when the improvement scheme is provided. According to the study, it can be concluded that the concentration of atmospheric particulates increases rapidly in central Chengdu city during the renovation project, which results in worsening air quality in Chengdu during March 2012 to March 2013. Taking related measures on energy saving and emission reduction can effectively reduce the concentration of atmospheric particulates and promote economic, environmental and social coordination.

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