ZHOU Qian,LIU Delin.Study on the Coordinated Development of Urban Resilience and Urbanization Level in the Urban Agglomeration of Yangtze River Delta[J].Research of Soil and Water Conservation,2020,27(04):286-292.
长三角城市群城市韧性与城镇化水平耦合协调发展研究
- Title:
- Study on the Coordinated Development of Urban Resilience and Urbanization Level in the Urban Agglomeration of Yangtze River Delta
- 文章编号:
- 1005-3409(2020)04-0286-07
- Keywords:
- urban resilience; urbanization level; coupled coordination degree model; risk prevention; urban agglomeration of Yangtze River Delta
- 分类号:
- F291.1
- 文献标志码:
- A
- 摘要:
- 为实证探究长三角城市群城市韧性与城镇化水平的相互关系,构建基于城市韧性与城镇化水平两系统的综合评价指标体系,利用熵值法模型综合测度了2007—2016年长三角城市群的城市韧性以及城镇化水平变化趋势,并借助耦合协调度模型和空间自相关模型,分析了26个城市耦合协调度的时空变化特征和空间分布类型。结果表明:(1)2007—2016年长三角城市群的城市韧性与城镇化水平耦合协调度呈上升趋势,且协调度低于耦合度;(2)在空间布局上,二者的耦合协调度呈现“东高西低、中间高边缘低”的分布格局,协调城市增速明显,并由2007年的“三点”分布转变为“Z”形分布。(3)Moran's I指数表明,长三角城市群的耦合协调分布具有明显的空间集聚效应,因此利用Moran散点图可将各城市划分为“高—高,低—高,低—低,低—高”4种类型。当前,长三角城市群城市韧性与城镇化水平耦合协调度存在显著的地区差异,缩小区域差距将成为未来工作重点。
- Abstract:
- In order to empirically explore the relationship between urban resilience and urbanization level in the urban agglomeration of Yangtze River Delta, a comprehensive evaluation index system was constructed based on urban resilience and urbanization level, then the entropy method was used to measure the trend of urban resilience and urbanization level. Based on the coupling coordination degree model and the spatial autocorrelation model, the temporal and spatial variation characteristics and spatial distribution types of the coupling coordination degree of 26 cities were analyzed. We found that:(1)the coupling degree of urban resilience and urbanization level of the Yangtze River Delta presented the rise from 2007 to 2016, and the coordination degree was lower than the coupling degree;(2)the coupling coordination degree presented the pattern of ‘high level in the east and low level in the west, high level in the middle and low level in the edge', and the coordinated urban growth was obvious, changed from three-point distribution into Z-shaped distribution from 2007 to 2016;(3)Moran's I index indicated that the coupled coordination distribution of the urban agglomeration of Yangtze River Delta had obvious spatial agglomeration effect, therefore, the Moran scatter plot could be used to classify cities into ‘high-high, low-high, low-low, low-high'types. The regional disparities of resilience and urbanization levels in the urban agglomeration of Yangtze River Delta are significant nowadays, and narrowing the regional gap will become the focus in the future.
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备注/Memo
收稿日期:2019-08-10 修回日期:2019-09-02
资助项目:国家自然科学基金(U1504705); 河南理工大学青年骨干教师资助计划(2017XQG-18)
第一作者:周倩(1995—),女,河南周口人,硕士研究生,研究方向为城市公共安全与应急管理。E-mail:zhouqianhpu@163.com
通信作者:刘德林(1979—),男,山东潍坊人,博士,教授,主要从事城市安全与应急方面的教学与研究工作。E-mail:liudelina@163.com