Study on Coupling Coordination Level Measurement and Optimization Countermeasures of Urbanization in Changsha-Zhuzhou-Xiangtan Metropolitan Area
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摘要: 随着城镇化发展进入提质增效阶段,测度重要载体都市圈的城镇化子系统协调关系,有助于推进城镇化地区高质量发展。文章以湖南省长株潭都市圈为研究对象,测度人口、经济和空间城镇化发展水平,运用熵权TOPSIS模型、空间耦合协调度模型等方法,分析城镇化耦合协调度演变特征与影响因素,并提出优化对策。研究表明:(1)长株潭都市圈综合城镇化发展水平呈现波动增长态势,但子系统水平差异较大; (2)都市圈“人口—经济—空间”城镇化总体和两两耦合协调度均缓慢上升,且空间关联作用范围不断扩大,一直保持以中心城区为核心、辐射带动周边区县发展的圈层式空间格局;(3)从城镇化耦合协调类型看,部分区县耦合协调度较高而子系统滞后,其中空间城镇化滞后较为明显;(4)长株潭都市圈城镇化发展受区县经济社会发展水平差距、区域政策导向差异和城乡发展壁垒等影响,应考虑将县域政策配套与自身发展条件相结合,充分发挥中心城区辐射带动作用,推动城镇化发展动力多元化转型,加速以人为核心的都市圈一体化进程,进而实现人口、空间与经济城镇化协同并进发展。Abstract: As the urbanization development enters the stage of improving the quality and efficiency, it is helpful to measure the coordination relationship of the urbanization subsystem of the important carrier metropolitan area to promote the high-quality development of the urbanization area. By measuring the population, economy and spatial urbanization levels of Changsha-Zhuzhou-Xiangtan metropolitan area, this paper uses TOPSIS model of entropy weight and spatial coupling coordination degree model to analyze the evolution characteristics and influencing factors of coupling coordination degree of urbanization, and puts forward optimization countermeasures. The results show that: (1) The comprehensive urbanization level of Changsha-Zhuzhou-Xiangtan metropolitan area presents a trend of fluctuating growth, but the subsystem level is different greatly. (2) The overall and pairwise coupling coordination degrees of 'population-economy-space' urbanization increased slowly, and the spatial correlation scope expanded, maintaining the circular spatial pattern with the central urban area as the core and radiating the development of surrounding districts and counties. (3) The coupling coordination degree of some districts and counties is high, but the subsystem lags behind, and the spatial urbanization lags behind obviously. (4) The urbanization development of metropolitan area is affected by economy and policies, so it is necessary to combine the supporting policies with its own conditions, give play to the radiating driving role of central urban area, promote the transformation of the driving force of urbanization development, build human-centered integration of metropolitan area, and realize the coordinated development of population, space and economic urbanization.
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