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The Spatial-Temporal Differentiation of Aerosol Optical Properties and Types in the Beijing–Tianjin–Hebei Region Based on the Ecological Functional Zones

Author

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  • Jianyong Dong

    (College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China)

  • Xiaohong Wang

    (College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China)

  • Jinlong Li

    (School of Public Health, North China University of Science and Technology, Tangshan 063210, China)

  • Chenxi Hao

    (College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China)

  • Linlin Jiao

    (College of Mining Engineering, North China University of Science and Technology, Tangshan 063210, China)

Abstract

Atmospheric aerosol pollution has seriously affected the ecological environment and human health in recent years. There are great differences in aerosol optical properties and types due to the influence of environmental conditions, meteorology, industrial and agricultural activities, and other factors of each ecological functional zones. Using MODIS aerosol products (including MCD19A2 and MOD04_3K), this study discussed the temporal and spatial distribution of aerosol optical depth (AOD), Ångström wavelength index (AE) and aerosol types in the Beijing–Tianjin–Hebei region (BTH region) based on the ecological functional zones from 2015 to 2020. The results showed as follows: (1) The AOD in BTH region showed an obviously spatial pattern of low in the north and high in the south, while the spatial pattern of AE was opposite to that of AOD. In addition, the dominant aerosol type of the north part was clean aerosol, the dominant aerosol type of the middle part was biomass burning or urban-industrial aerosol, while that of the other part was mixed aerosols. (2) The seasonal changes of AOD and AE indexes in each ecological functional area had obvious seasonal changes, and the AOD and AE values were highest in summer. At the same time, the proportion of biomass combustion or urban industrial aerosol was the highest in summer. (3) The ecological functional areas with fewer human activities were dominated by clean aerosols, with lower AOD and higher AE value. The ecological functional areas dominated by cities were dominated by mixed aerosols, with higher AOD. The ecological functional areas dominated by agriculture and heavy industry were dominated by biomass combustion or urban industrial aerosols, with the largest AOD. (4) Compared with 2015, the average AOD of each ecological functional area decreased significantly to 2020, and biomass combustion or urban industrial aerosols changed to mixed aerosols.

Suggested Citation

  • Jianyong Dong & Xiaohong Wang & Jinlong Li & Chenxi Hao & Linlin Jiao, 2022. "The Spatial-Temporal Differentiation of Aerosol Optical Properties and Types in the Beijing–Tianjin–Hebei Region Based on the Ecological Functional Zones," Sustainability, MDPI, vol. 14(19), pages 1-14, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:19:p:12656-:d:933943
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    References listed on IDEAS

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    1. Mingfeng Liu & Hongsheng Zhang & Guanghui Lin & Hui Lin & Danling Tang, 2018. "Zonation and Directional Dynamics of Mangrove Forests Derived from Time-Series Satellite Imagery in Mai Po, Hong Kong," Sustainability, MDPI, vol. 10(6), pages 1-16, June.
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    1. Alcindo Neckel & M. Santosh & Brian William Bodah & Laércio Stolfo Maculan & Diana Pinto & Cleiton Korcelski & Paloma Carollo Toscan & Laura Pasa Cambrussi & Isadora Cezar Caino & Leila Dal Moro & Dir, 2022. "Using the Sentinel-3B Satellite in Geospatial Analysis of Suspended Aerosols in the Kiev, Ukraine Region," Sustainability, MDPI, vol. 14(24), pages 1-14, December.

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