中断模拟下城市群网络结构韧性研究——以长江中游城市群客运网络为例
彭翀(1980—),女,湖北武汉人,博士,教授。主要研究方向为可持续城市与区域规划、气候适应性城市规划与设计、规划新技术。E-mail:pengchong@hust.edu.cn。 |
收稿日期: 2018-11-09
修回日期: 2019-06-08
网络出版日期: 2025-04-24
基金资助
国家自然科学基金项目(51778253)
国家自然科学基金项目(51608213)
国家重点研发计划资助项目(2018YFD1100302)
中央高校基本科研业务费专项资金(2019WKZDJC010)
Analyzing City Network's Structural Resilience Under Disruption Scenarios: A Case Study of Passenger Transport Network in the Middle Reaches of Yangtze River
Received date: 2018-11-09
Revised date: 2019-06-08
Online published: 2025-04-24
彭翀 , 陈思宇 , 王宝强 . 中断模拟下城市群网络结构韧性研究——以长江中游城市群客运网络为例[J]. 经济地理, 2019 , 39(8) : 68 -76 . DOI: 10.15957/j.cnki.jjdl.2019.08.009
Disruption simulation has gradually become a critical way to understand the network structural resilience. It is applied to the analysis of the city network's structural resilience in this paper. Using disruption simulation to analyze city network's structural resilience can predict the operation ability and functional features of city network against potential risks. Then a new perspective for formulating strategies to enhance regional resilience can be provided. In this article, the passenger transport network of urban agglomeration is structured with the flow of intercity buses and intercity railway of 31 cities in the middle reaches of the Yangtze River. We resort to Python to simulate network structure in different disruption scenarios and assess the characteristics of its resilience change. And we try to explore the key factors that affect the city network resilience. The results showed that: 1) The passenger transport network's structure of urban agglomeration has a degree of vulnerability. Its overall resilience shows the dependence on the axis of Shanghai-Kunming and there are differences in node resistance to interventions. 2) The failure of dominant nodes such as Wuhan, Changsha and Nanchang, as well as the emergence of vulnerable nodes such as Jingdezhen, Fuzhou and Ji'an are significant factors that weaken the resilience of network structure. 3) As to the resilience recovery, the strategies are put forward from the perspective of improving overall centrality, enhancing near-field connectivity, riching cross-regional connectivity and ensuring city security.
表1 主导性节点对各区域的影响比例Tab.1 Proportion of regions affected by dominant nodes |
区域 | 传输性/% | 多样性/% | |||||
---|---|---|---|---|---|---|---|
武汉 | 长沙 | 南昌 | 武汉 | 长沙 | 南昌 | ||
长江中游城市群 | 64.52 | 16.13 | 19.35 | 83.87 | 6.45 | 9.68 | |
武汉城市圈 | 76.92 | 23.08 | - | 92.31 | - | 7.69 | |
环长株潭城市群 | 62.50 | 25.00 | 12.50 | 75.00 | 25.00 | - | |
环鄱阳湖城市群 | 50.00 | - | 50.00 | 80.00 | - | 20.00 |
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