Economic Development and Eco-Environment Coordination Degree Evaluation and Optimization of Coal Cities in China
Keywords:
Coal City, Coordination Degree, Economic Development, Eco-Environment, System Coupling Model.Abstract
Based on panel data of economic development and eco-environment system from 2003 to 2013 of 30 China coal cities, with reference to the physics field coupling coordination degree model, the diachronic and synchronic evolution pattern of the coupling coordination degree is analyzed with GIS. Research indicates: (1) Coal city's economic development is relatively stable, eco-environment index showed a downward trend, and stage development level standard deviation of economic development is slighter higher than that of eco-environment. (2) Coordination degree and economic competitiveness of coal cities have obvious relevance. High coordination degree cities Tangshan and Ordos belong to eco-environment lag type city, Xuzhou is economic development lag type city, Zibo belongs to economic development and eco-environment synchronous type city. The principal of moderate coordination degree cities belong to economic development lag type while benefit loss type of economic development is the main coordination form of low coordination degree cities. (3) The coupling coordination level has obvious regional imbalance. Among them, East China region plate has higher coupled coordination level. North and Central China region plate is the second. Coupling coordination level of Northeast and Southwest region plate is low. Northwest region plate is the one having lowest coupling coordination level.
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