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30 August 2023 Long-term analysis of PM2.5 spatiotemporal patterns from industrial heat sources in the Beijing-Tianjin-Hebei region
Xin Sui, Caihong Ma, Xiaolin Hou, Yi Zeng, Tianzhu Li, Ruilin Liao
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Proceedings Volume 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023); 1279709 (2023) https://doi.org/10.1117/12.3007976
Event: 2nd International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 2023, Qingdao, China
Abstract
Understanding the spatiotemporal dynamics of PM2.5 emissions from industrial heat sources is crucial for industrial reform and air pollution control. This study utilizes PM2.5 concentration data from 2012 to 2021 in the Beijing-Tianjin-Hebei region (BTH), employing spatial statistical analysis and correlation analysis. Evaluation indices, including total PM2.5 load and average concentration, were used to dynamically assess the ten-year spatiotemporal variation of PM2.5 emissions at the surface of industrial heat sources. Further analyses by category and pollution level were conducted. Results indicate that: (1) the central and southern in BTH have higher total PM2.5 loads from industrial heat sources, with the south having a higher average PM2.5 concentration. (2) Steel industries contribute the highest total PM2.5 load, while oil and gas development industries have the highest average PM2.5 concentration. (3) PM2.5 concentrations at the surface of industrial heat sources are relatively even, mainly clustering within the 60-80μg/m³ range. (4) Over the ten years, the PM2.5 concentration at the surface of industrial heat sources exhibits a fluctuating declining trend with a pronounced seasonal distribution: concentrations are highest in winter and lowest in summer, the highest concentration occurred in January 2014, reaching 124.76μg/m³.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xin Sui, Caihong Ma, Xiaolin Hou, Yi Zeng, Tianzhu Li, and Ruilin Liao "Long-term analysis of PM2.5 spatiotemporal patterns from industrial heat sources in the Beijing-Tianjin-Hebei region", Proc. SPIE 12797, Second International Conference on Geographic Information and Remote Sensing Technology (GIRST 2023), 1279709 (30 August 2023); https://doi.org/10.1117/12.3007976
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KEYWORDS
Industry
Temperature distribution
Pollution control
Pollution
Air quality
Analytical research
Matrices
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