摘要
综合运用熵值法、核密度估计法测度2009-2019年长三角城市群26个地级及以上城市的经济韧性水平时空演变特征,并通过社会网络分析法考察各城市经济韧性的空间关联网络特征。结果显示:1)2009-2019年长三角城市群各城市经济韧性呈稳步上升趋势,但地区间差异显著且呈现出非均衡分布状态,高度韧性区主要集中在省会及周边城市,中度韧性区主要集中在苏南和浙北地区,低度韧性与较低韧性区主要集聚在安徽以及苏北和浙南区域;2)城市经济韧性关联网络密度总体呈上升态势,各城市在经济韧性网络中的联系愈发密切,整体网络结构愈发稳定,城市经济韧性空间关联网络呈现出“核心-边缘”分布格局,上海、南京等经济韧性较高的核心城市在整体网络中承担“中介”和“桥梁”角色,台州、安庆、池州等经济韧性较低的城市在整体网络中扮演“边缘行动者”角色;3)长三角城市群经济韧性空间网络可划分为“双向溢出”“主受益”“经纪人”和“主溢出”4个板块,板块间的溢出效应具有明显的等级梯度特征。研究结果可为持续深化长三角城市群城市经济韧性高质量建设及引导城市经济韧性网络稳定发展提供参考。
This paper comprehensively uses entropy method and nuclear density estimation method to measure the spatial and temporal evolution characteristics of the economic resilience levels of 26 cities at or above the prefecture level in the Yangtze River Delta Urban Agglomeration from 2009 to 2019,and analyzes the spatial correlation network characteristics of the economic resilience of various cities by means of social network analysis.The results show that:1)The economic resilience of cities has been steadily increasing in 2009-2019,but there are significant inter-regional differences and uneven distribution.High resilience areas are mainly concentrated in the provincial capitals and surrounding cities,while moderate resilience areas are mainly concentrated in Southern Jiangsu and Northern Zhejiang.The lower and low resilience areas are mainly concentrated in Anhui,Northern Jiangsu and Southern Zhejiang.2)The density of urban economic resilience network is generally increasing,cities are more closely connected in the economic resilience network,and the overall network structure is becoming more stable.The spatial correlation network of urban economic resilience presents a distribution pattern of"core-edge".The core cities with higher economic resilience,such as Shanghai and Nanjing,play the role of"intermediary"and"bridge"in the overall network,while cities with lower economic resilience,such as Taizhou,Anqing and Chizhou,play the role of"marginal actor"in the overall network.3)The spatial network of urban economic resilience in the Yangtze River Delta Urban Agglomeration can be divided into four sections:two-way spillover,main benefit,broker and main spillover,and the spillover effect between the sections has obvious hierarchical gradient characteristics.This study can provide reference for continuously deepening the high-quality construction of urban economic resilience in the Yangtze River Delta Urban Agglomeration and guiding the stable development of urban economic resilience network.
作者
张明斗
张震
ZHANG Ming-dou;ZHANG Zhen(School of Economics,Dongbei University of Finance and Economics,Dalian 116025,China)
出处
《地理与地理信息科学》
CSCD
北大核心
2023年第1期69-79,共11页
Geography and Geo-Information Science
基金
国家自然科学基金青年项目“长江经济带城市收缩的空间异质性、影响因素与城市体系协同发展”(71804021)
辽宁省“兴辽英才计划”青年拔尖人才项目“中国城市经济韧性的空间关联网络研究”(XLYC2007123)
辽宁省经济社会发展研究项目“资源枯竭城市产业结构、就业结构适配度分析研究”(2022lslybkt-004)。
关键词
城市经济韧性
空间关联网络
网络结构特征
长三角城市群
urban economic resilience
spatial correlation network
network structure characteristics
the Yangtze River Delta Urban Agglomeration
