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The Multiscale Importance of Road Segments in a Network Disruption Scenario: A Risk-Based Approach

机译：网络中断场景中路段的多尺度重要性：基于风险的方法

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摘要

This article addresses the problem of the multiscale importance of road networks, with the aim of helping to establish a more resilient network in the event of a road disruption scenario. A new model for identifying the most important roads is described and applied on a local and regional scale. The work presented here represents a step forward, since it focuses on the interaction between identifying the most important roads in a network that connect people and health services, the specificity of the natural hazards that threaten the normal functioning of the network, and an assessment of the consequences of three real-world interruptions from a multiscale perspective. The case studies concern three different past events: road interruptions due to a flood, a forest fire, and a mass movement. On the basis of the results obtained, it is possible to establish the roads for which risk management should be a priority. The multiscale perspective shows that in a road interruption the regional system may have the capacity to reorganize itself, although the interruption may have consequences for local dynamics. Coordination between local and regional scales is therefore important. The model proposed here allows for the scaling of emergency response facilities and human and physical resources. It represents an innovative approach to defining priorities, not only in the prevention phase but also in terms of the response to natural disasters, such as awareness of the consequences of road disruption for the rescue services sent out to local communities.
机译：本文讨论了道路网络的多方面重要性的问题，目的是在道路中断的情况下帮助建立更具弹性的网络。描述了一种用于识别最重要道路的新模型，并在本地和区域范围内应用。此处提出的工作代表了前进的一步，因为它着重于确定网络中连接人与医疗服务的最重要道路，威胁网络正常运行的自然灾害的特殊性以及对网络的评估之间的相互作用。从多角度看，三个现实世界中断的后果。该案例研究涉及过去的三个不同事件：洪水，森林火灾和群众运动造成的道路中断。根据获得的结果，可以确定应优先考虑风险管理的道路。多尺度视角表明，在道路中断中，区域系统可能具有自我重组的能力，尽管该中断可能会对局部动态产生影响。因此，地方和区域规模之间的协调很重要。这里提出的模型可以扩展应急响应设施以及人力和物力资源。它代表了一种创新方法，不仅可以在预防阶段，而且可以在对自然灾害的响应方面确定优先重点，例如意识到道路中断对派往当地社区的救援服务的后果。

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