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Journal Article


Riddell GA, van Delden H, Maier HR, Zecchin AC. Int. J. Disaster Risk Reduct. 2019; 39: e101230.


(Copyright © 2019, Elsevier Publishing)






Disaster risk is a combination of natural hazards, along with society's exposure and vulnerability to them. Therefore, to ensure effective, long-term disaster risk reduction we must consider the dynamics of each of these components and how they change over extended periods due to population, economic and climatic drivers, as well as policy and individual decisions. This paper provides a methodology to capture these factors within exploratory scenarios designed to test the effectiveness of policy responses to reduce disaster losses. The scenarios developed and subsequent analysis of them combine knowledge and insight from stakeholders and experts, and make use of simulation modelling to enable scenarios with qualitative and quantitative elements to be integrated within risk assessment processes and contribute to strategic risk treatments. The methodology was applied to a case-study in Greater Adelaide, Australia, and used to assess how disaster risk for earthquakes, bushfire and coastal inundation changes from 2016 to 2050 under five exploratory scenarios for the future of the region. This analysis can be applied more broadly to consider how future risks impact on regional viability, and suitability for investment related to the need to gain a better understanding of governmental and organisational exposure to physical risks.

Language: en


Disaster risk; Risk assessment; Scenarios; Simulation modelling; Stakeholder engagement


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