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Decomposition analysis of PM2.5 emissions based on LMDI and Tapio decoupling model: study of Hunan and Guangdong

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Abstract

This paper takes energy consumption PM2.5 emission as research object, and quantitatively analyzes the PM2.5 emission level in Hunan and Guangdong provinces from 2012 to 2017. We build a PM2.5 emission decomposition model divided by five sectors, including industry, transportation, construction, resident, and other, and use attribution method and Tapio decoupling index to analyze the relationship between economic development and PM2.5 emission level. The results show that (1) the difference in PM2.5 emissions between the two provinces appeared in 2015; (2) the contribution rate of total PM2.5 emissions is 83.1%, and coal consumption is the determine factor of PM2.5 emissions; industry is the main source of sector contribution with rate of 70.91%; (3) Guangdong’s pollution control capacity is much higher than that of Hunan, while Hunan’s PM2.5 marginal emission-reduction potential is much higher than that of Guangdong; (4) economic growth is the first increasing emission reason of PM2.5 emission changes, while the intensity of industrial energy consumption is the first reduction emission reason; (5) there is a big difference between the economic development of the two provinces and the decoupling of PM2.5 pollution.

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Notes

  1. Other (commercial) refers to the sum of the three major industries in the local energy balance sheet: agriculture, forestry, animal husbandry and fishery, wholesale and retail, accommodation and catering, and others.

  2. http://www.mycoal.cn/news/show/48437/

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Funding

This work was supported by grants from the National Social Science Foundation of China (20CJY064), National Natural Science Foundation of China (NSFC71974125, NSFC71661137004), Philosophy and Social Science Planning Project of Henan Province, China (2018BJJ062), and Major Projects of Philosophy and Social Science Research of Hubei Province (19ZD044).

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Correspondence to Qian Zhou.

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The paper has not been and will not be submitted simultaneously to other journals. The paper is entirely original works conducted by us without copying or plagiarism issues. The information reported in the paper is accurate according to our best knowledge. A single study cannot be split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time.

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Responsible Editor: Ilhan Ozturk

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Lai, W., Hu, Q. & Zhou, Q. Decomposition analysis of PM2.5 emissions based on LMDI and Tapio decoupling model: study of Hunan and Guangdong. Environ Sci Pollut Res 28, 43443–43458 (2021). https://doi.org/10.1007/s11356-021-13819-4

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  • DOI: https://doi.org/10.1007/s11356-021-13819-4

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