Research on the Spatial-temporal Dynamic Evolution and Influencing Factors of Tourism-New Urbanization-Ecological Environment Coupling and Coordination of the Yangtze River Economic Belt
Taking eleven provinces and cities in the Yangtze River Economic Belt as an example,the development level and cou-pling coordination degree of tourism,new urbanization and ecological environment system(referred to as TUE system)from 2010 to 2019 are calculated with the help of entropy weight TOPSIS method and coupling coordination degree mod-el,and their evolution characteristics and driving factors are analyzed by standard deviation ellipse and geographic detec-tor.The results show that the development level of TUE system fluctuates and the spatial differences are significant,which is generally"three-step ladder".The coupling state of TUE is constantly changing,showing a stable upward trend in time,and a"U"shaped distribution pattern of high in the east and northwest,and low in the middle and south-west in space.The standard deviation ellipse and center of gravity showed a"northeast-southwest"pattern,and the ex-pansion trend was obvious.The nuclear density curves all shifted to the right,and the coordination of provinces and re-gions gradually improved,but the inter-provincial differences were obvious.The spatial differences of coupling and coor-dination of TUE system are jointly affected by market demand and opening to the outside world,and the interaction is two-factor enhancement and nonlinear enhancement effect.
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