Author(s)

Ruixi Zhu ¹

Affiliation(s)

¹ School of Management, China University of Mining and Technology, Beijing, 100091, China

Corresponding Author

Ruixi Zhu

ABSTRACT

Identifying key provincial sectors and their influencing factors is of significant importance for driving precise carbon reduction policies and achieving the "dual carbon" goals. Previous studies have typically identified key sectors either from the production and consumption sides, aiming to pinpoint those sectors directly or indirectly responsible for significant carbon emissions, while the perspective of betweenness has been neglected. This paper proposes a framework based on betweenness centrality and identifies key carbon-emitting sectors at the inter-provincial level in the Yellow River Basin for the years 2012, 2015, and 2017. The results indicate that both production-based and consumption-based approaches overlook certain crucial provincial transmission sectors, such as Inner Mongolia's coal mining and selection products and Henan's chemical product manufacturing sectors. Over the years, these sectors2 have emitted significant amounts of carbon dioxide within the supply chain. From an industry perspective, the focus on carbon emissions has gradually shifted from heavy industries such as chemical product manufacturing and metal smelting and rolling processing to light industries such as water production and supply. From the perspective of provincial departments, the chemical products manufacturing industry in Shandong, as well as the metal smelting and rolling processing industry in Shandong, Inner Mongolia, Shanxi, and Henan provinces, are considered key sectors for carbon reduction. Meanwhile, the water production and supply industries in Sichuan, Henan, Inner Mongolia, Shanxi, and Shandong provinces are regarded as critical sectors for carbon increase. Furthermore, input-output technology is the primary factor causing changes in CO₂ emissions from sectors. Building upon this foundation, we propose several policy recommendations, such as closely monitoring the production efficiency of key sectors, optimizing the structure of intermediate input, and enhancing energy utilization efficiency, thereby reducing carbon dioxide emissions.

KEYWORDS

CO2 Emissions, Multi-Regional Input-Output Model, Betweenness-Based Method, Yellow River Basin, Structural Decomposition Analysis

CITE THIS PAPER

Ruixi Zhu, Betweenness-Based Method to Identify Critical Provincial Carbon Transport Sectors in the Yellow River Basin and Explore Spatiotemporal Evolution Driving Factors. Frontiers in Power and Energy Systems (2024) Vol. 3: 15-28. DOI: http://dx.doi.org/10.23977/fpes.2024.030103.

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