中国城市不同的路网恢复能力

IF 2.6 3区 经济学 Q2 ENVIRONMENTAL STUDIES Environment and Planning B: Urban Analytics and City Science Pub Date : 2024-03-05 DOI:10.1177/23998083241237013
Yao Shen, Lefeng Liu, Zihan Xu, Wentao Yan, Liyan Xu
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引用次数: 0

摘要

中国拥有众多具有鲜明空间特征的城市,这些城市的抗灾能力各不相同。虽然对单个城市的研究受到了关注,但对整个系统的综合研究却很少。可视化比较城市间空间弹性的变化,对于理解城市系统在空间发展和弹性后果方面的差异具有重要价值。本研究测量了中国大陆几乎所有城市在蓄意攻击情景下的空间网络弹性演化。当攻击加剧时,中国城市表现出不同的演化效率和规模效应。由不同时空复原力组成的区域展示了路网复原力的空间异质性。单个城市的路网弹性与城市规模和城市化水平有关,但仍存在不确定性。形成这样一个个体和区域范围,对众多城市的空间弹性结构进行深入研究,有助于分配相关的空间政策,并评估特定城市相对于其他所有城市的结构弹性风险。
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Varying road network resilience of Chinese cities
China boasts a multitude of cities exhibiting distinctly spatial characteristics, leading to variations in resilience. While attention has been garnered in individual cities, comprehensive studies for the whole system are scarce. Visualising and comparing the variations of spatial resilience across cities prove valuable in understanding disparities among city systems in terms of their spatial development and resilience consequences. This research measures the evolving resilience of spatial networks in nearly all cities within mainland China under intentional attack scenarios. Chinese cities exhibit different compositions of evolutional efficiency and scale effects when attacks exacerbate. The regions detected by the dissimilar compositions of spatiotemporal resilience showcase the spatial heterogeneity of road network resilience. Road network resilience of individual cities is related to city size and urbanised levels, but uncertainty is still revealed. Forming such an individual and regional scope to scrutinise the in-depth structure of spatial resilience of many cities can aid in allocating relevant spatial policies and evaluating the structural resilience risk for given cities in subject to all others.
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CiteScore
6.10
自引率
11.40%
发文量
159
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