Resource-based cities are an important concern for the construction of ecological civilization in China, and developing tourism is an important direction for the transformation of resource-based cities. Based on the mechanism of the coupling and coordination effect of ecological civilization construction and tourism development, four different types of resource-based cities in China, Wuwei City (growing type), Pingliang City (mature type), Baiyin City (declining type) and Zhangye City (regenerative type), were selected as the research area. Based on the improved entropy weight method, coupling...