Study on the evaluation ofcoupling coordination degree of 3E system of nine provinces along the Yellow River

JIAO Wenting; ZHAI Runnan; XUE Hong; XIE Jiaying; WU Haibin

Abstract：The coordination of environment,energy and economy in nine provinces along the Yellow River Basin is necessary for ecological protection and high-quality development in the Yellow River Basin.Focusing on pollution reduction,carbon reduction and efficiency improvement,coal dependence,and economic and technological level,this paper constructs a comprehensive evaluation index system of coupled environment-energy-economy(3E)coordination in the Yellow River Basin.Entropy method,coupled coordination model,Kernel density estimation,grey correlation degree model and grey prediction model are used to analyze the coupled coordination degree of the 3E systems in the provinces and regions of the Yellow River Basin.The results demonstrate that the general growth trend of each subsystem is positive,with the east strong and the west weak.The basin's overall coupling coordination level is still in the intermediate coordination stage,with significant regional differences,and the overall coupling coordination level of the entire basin has consistently improved.The energy subsystem has the greatest influence on the overall coupling coordination degree.It is predicted that the coupling coordination degree of the 3E system in the Yellow River Basin will reach high-quality coordination in 2028 and the highest value in 2033.In view of the above results,it is believed that the promotion of high-quality development of the Yellow River Basin should focus on the western upstream provinces,optimize the energy structure and reduce energy intensity as the lead,continue the process of coal removal in the basin,improve the economic competitiveness of the basin on the basis of economic development and scientific and technological investment,focus on people's living standards,and take government governance as the means.Promote resource conservation and recycling to optimize the basin environment under the premise of maintaining the existing pollution reduction and carbon reduction policies.