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What are Cascading Disasters?

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      Abstract

      Cascades have emerged as a new paradigm in disaster studies. The high level of dependency of modern populations on critical infrastructure and networks allows the impact of disasters to propagate through socio- economic systems. Where vulnerabilities overlap and interact, escalationpoints are created which can create secondary effects with greater impact than the primary event. This article explains how complexity can be categorised and analysed in order to find those weak points in society that enable cascading impacts to develop. Scenarios can be used to identify critical dependencies and guide measures designed to increase resilience.Experience suggests that many potential impacts of cascading disasters remain uninvestigated, which provides ample scope for escalation of impacts into complex forms of crisis.

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        The Carrington event: Possible solar proton intensity–time profile

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          Author and article information

          Affiliations
          [1 ] University College London
          Journal
          UCL Press
          13 February 2019
          10.14324/111.444/000011.v1

          This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY) 4.0 https://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, distribution and reproduction in any medium, provided the original author and source are credited.

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