Journal
JOURNAL OF ENVIRONMENTAL MANAGEMENT
Volume 302, Issue -, Pages -Publisher
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jenvman.2021.114034
Keywords
Iron and steel industry; Industrial layout; SO2 emissions; Emission characteristics; CMAQ model
Categories
Funding
- Based Research Projects of National Natural Science Foundation of China [41871212]
- Fundamental Research Funds for the Central Universities [N2025008, N2025011]
- Second Tibetan Plateau Scientific Expedition and Research Program [2019QZKK1003]
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By analyzing the evolution of the spatial layout of the steel industry, the study identified four stages of development in the Chinese steel industry and observed the impact of spatial layout changes on pollutant emissions.
The spatial layout of the steel industry has an impact on the regional atmospheric environment. In this study, the steel industry evolution model and the driving force analysis model were combined to analyze the evolution of spatial layout of the steel industry in China and the driving factors of this evolution. In addition, the WRFSMOKE-CMAQ model was used to analyze the spatial dynamics of SO2 emissions from the steel industry. Our analysis presents the evolution of the steel industry in China in four stages: policy-determining, resource-oriented, economic promotion and market-oriented stage. The change in the spatial layout of the Chinese steel industry resulted in a continuously decreasing trend of pollutants in temporal characteristics and a decreasing share of emissions in North China and a continuous growth in East China in spatial characteristics. Our simulation shows that, by 2025, the pollutant SO2 emission concentration will migrate to the southeast, subject to market-oriented factors.
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