灾害风险传导下“设施—功能”复合城市网络韧性评估  

Resilience assessment of“facility-function”multiplex city network considering disaster risk propagation

作　　者：吴宇彤 彭翀[1,2] WU Yutong;PENG Chong(School of Architecture&Urban Planning,Huazhong University of Science and Technology,Wuhan 430074,China;Hubei Engineering and Technology Research Center of Urbanization,Wuhan 430074,China)

机构地区：[1]华中科技大学建筑与城市规划学院,武汉430074 [2]湖北省城镇化工程技术研究中心,武汉430074

出　　处：《地理科学进展》2025年第1期185-198,共14页Progress in Geography

基　　金：国家自然科学基金项目(52378057);华中科技大学交叉研究支持计划项目(2023JCYJ020)。

摘　　要：建设具有韧性的都市圈、城市群城市网络,是推进区域安全和高效发展的重要途径,如何科学认识灾害风险在城市网络中的传导机制并评估网络韧性成为当前的研究热点。论文立足于城市网络的基本概念,首先提出了包含设施网络和功能网络的复合城市网络模型,探讨多层网络之间的物理关联、功能关联和地理关联关系;其次,从结构和功能、整体和局部两个方面解析复合城市网络韧性的内涵;再次,从传导路径、传导过程和传导影响三个视角揭示灾害风险在复合城市网络中的多维度传导机制,建立了灾害风险和网络韧性之间的逻辑关系;最后,提出“复合城市网络模型建立、网络中的风险传导模拟、指标体系构建及韧性评估”三个步骤的复合城市网络韧性评估框架,并以洪涝灾害下武汉都市圈“公路—人流”复合城市网络韧性评估案例来验证框架的可行性和有效性。研究成果可为考虑灾害风险传导的城市网络韧性评估理论与方法研究提供一种新探索。To support the safe and effective growth of regions,resilient city networks should be built in metropolitan areas.Current research is focused on understanding how disaster risk propagates in city networks and assessing network resilience.This study developed a multiplex city network model composed of facility and function based on the fundamental concept of the city network,and investigated the functional,physical,and geographic relationships across networks.Second,we examined the resilience of the multiplex city network in terms of both the structure and function and the network as a whole and local areas.Third,we illustrated how disaster risks spread in the multiplex city network from three perspectives—propagation path,propagation process,and propagation impact,which establish a logical relationship between disaster impact and network resilience.Lastly,we proposed a three-step framework for assessing the resilience of multiplex city networks:modeling the multiplex city network,simulating risk propagation of the network,and using indicastors to measure the network's resilience.The feasibility and validity of the framework were verified by the case study of resilience assessment of the"road-people's flow"multiplex city network in the Wuhan metropolitan area under the impact of flooding.The case results demonstrate that as disaster risks spread through the network,certain cities'structural and functional status will alter,drawing attention to these changes as a means of enhancing network resilience.For instance,some cities and network paths will have much less connectedness and as a result,these cities should improve their own preparedness during the latent phase of disasters and recovery capacity during the mitigation phase.Certain cities and paths have an absorptive capability during the risk outbreak period that helps keep the city network operating as intended.This research offered a fresh look at the theory and methodology of city network resilience assessment that considers disaster risk transmission.It c

关 键 词：复合城市网络 灾害影响 韧性评估 风险传导 区域安全 

分 类 号：TU984.116[建筑科学—城市规划与设计]