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A mitigation simulation method for urban NOx emissions based on input-output analysis

Xu, Xinli, Huang, Guohe, Liu, Lirong, Li, Jizhe and Zhai, Mengyu (2019) A mitigation simulation method for urban NOx emissions based on input-output analysis Journal of Cleaner Production, 249, 119338.

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With the frequent occurrence of global warming, acid rain, and photochemical smog, nitrogen oxide (NOx) pollution has become an increasingly serious global problem. It is essential to establish efficient approaches for seeking reasonable and practical mitigation pathways. In this paper, a NOx mitigation simulation (NMS) model is developed to facilitate the development of mitigation policies. Through constructing the NOx metabolic network, all sectors are classified according to their interactions. With production-side and consumption-side mitigation strategies adopted for different categories respectively, the changes of sectoral and system-wide indirect emissions are accounted for under the framework of urban metabolism. The results of the case study for Guangdong Province, China, illustrate that the mitigation strategies aimed at the specific sectors of the economy might not be as practical as expected. Both the type of mitigation strategies and the sector category it interferes with have a decisive influence on reduction performance. In Guangdong Province, regulating electricity, heat power generation and smelting, pressing of metals can achieve substantial reduction performance through production-based ways, and supervising the sectors with weak control and strong dependence (e.g., Construction and Other social services) is the most effective measure on the consumption side. The comprehensive mitigation strategies made from production and consumption perspectives are capable of acquiring the most efficient reduction performance. Considering cities as an ecosystem, the mitigation simulation framework established in this study has the potential to assess and formulate reduction policies of NOx emissions.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environment and Sustainability
Authors :
Xu, Xinli
Huang, Guohe
Li, Jizhe
Zhai, Mengyu
Date : 15 November 2019
Funders : National Key Research and Development Plan, Natural Sciences Foundation, 111 Program, Natural Science and Engineering Research Council of Canada
DOI : 10.1016/j.jclepro.2019.119338
Grant Title : National Key Research and Development Plan
Copyright Disclaimer : © 2019 Elsevier Ltd. All rights reserved.
Additional Information : Embargo OK Metadata OK No Further Action
Depositing User : James Marshall
Date Deposited : 14 Jul 2020 14:03
Last Modified : 14 Jul 2020 14:03

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