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Towards Multi-Scale Space-Time Characteristics of Air Quality and Population Exposure Risk

Author

Listed:
  • Xiao Xiao

    (Key Lab for Environmental Computation and Sustainability of Liaoning Province, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Xiao Xie

    (Key Lab for Environmental Computation and Sustainability of Liaoning Province, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    Weifang Institute of Modern Agriculture and Ecological Environment, Weifang 261041, China)

  • Bingyu Zhao

    (Key Lab for Environmental Computation and Sustainability of Liaoning Province, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Jingzhong Li

    (Weifang Institute of Modern Agriculture and Ecological Environment, Weifang 261041, China
    College of Urban Planning and Architecture, Xuchang University, Xuchang 461000, China)

  • Bing Xue

    (Key Lab for Environmental Computation and Sustainability of Liaoning Province, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
    Weifang Institute of Modern Agriculture and Ecological Environment, Weifang 261041, China)

Abstract

In order to formulate policies to control regional air pollution and promote sustainable human–land system development, it is crucial to study the space–time distribution of air pollution and the population exposure risk. Existing studies are limited to individual fine particulate pollutants, which does not fully reflect the comprehensiveness of air quality. In addition, the spatiotemporal distribution of air quality and population exposure risk at different scales need to be further quantified. In this study, we used air monitoring station data and population spatial distribution data to analyze the spatiotemporal characteristics of air quality, including seasonal variations, variations before and during heating periods, and the occurrence frequency of priority pollutants in the traditional industrial areas of Northeast China in 2015. The population exposure–air pollution risk (PE-APR) model was used to calculate the population exposure risk at different spatial scales. The results suggest that GIS methods and air monitoring data help to establish a comprehensive air quality analysis framework, revealing spring–summer differentiation and the change trend of air quality with latitude. There are significant clustering features of air quality. A grid-scale population exposure–air pollution risk map is not restricted by administrative boundaries, which helps to discover high-risk areas of the main regional economic corridors and differences between inner cities and suburbs. This study provides a reference for understanding the space–time evolution of regional air pollution and formulating coordinated cross-regional air pollution strategies.

Suggested Citation

  • Xiao Xiao & Xiao Xie & Bingyu Zhao & Jingzhong Li & Bing Xue, 2021. "Towards Multi-Scale Space-Time Characteristics of Air Quality and Population Exposure Risk," Sustainability, MDPI, vol. 14(1), pages 1-15, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2021:i:1:p:96-:d:708947
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    References listed on IDEAS

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    2. Jiang, Lu & Xue, Bing & Ma, Zhixiao & Yu, Lu & Huang, Beijia & Chen, Xingpeng, 2020. "A life-cycle based co-benefits analysis of biomass pellet production in China," Renewable Energy, Elsevier, vol. 154(C), pages 445-452.
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