The Australian Disaster Resilience Index: a summary

Abstract

<p>Natural hazards, such as bushfires, cyclones, floods, storms, heatwaves, earthquakes and tsunamis, have always occurred and will continue to occur in Australia. These natural hazards frequently intersect with human societies to create natural hazard emergencies that, in turn, cause disasters.</p><p>The effects of natural hazards on Australian communities are influenced by a unique combination of social, economic, natural environment, built environment, governance and geographical factors.</p><p>Australian communities face increasing losses and disruption from natural hazards, with the total economic cost of natural hazards in Australia averaging $18.2 billion per year between 2006 and 2016 (Deloitte Access Economics, 2017). This is expected to almost double by 2030 and to average $33 billion per year by 2050 (Deloitte Access Economics, 2016). The social impacts of disasters are also substantial. Costs associated with social impacts may persist over a person’s lifetime and can be greater than the costs of tangible damages (Deloitte Access Economics, 2016).</p><p>Climate change is expected to increase the frequency and magnitude of some natural hazard types in Australia (BOM & CSIRO, 2018). An increasing population, demographic change, widening socio-economic disparity, expensive infrastructure and the location of communities in areas of high natural hazard risk also contributes to the potential for increasing losses from natural hazards.</p><p>There are two prominent schools of thought about the influence of natural hazards in human societies:<ul><li>a vulnerability perspective, where distributional inequalities in physical, social, economic and environmental factors influence the susceptibility of people to harm and the ability of people to respond to hazards (Cutter et al., 2003; Birkmann, 2006; Bankoff, 2019).</li><li>a resilience perspective, where people are learning to live with a changing, unpredictable and uncertain environment (Folke et al., 2002; Bankoff, 2019), of which natural hazards are a part. Resilience is a process linking a set of capacities to a positive trajectory of functioning and adaptation after a disturbance (Norris et al., 2008).</li></ul>This resilience perspective has been adopted in the Australian Disaster Resilience Index, with the aim of better understanding and assessing the disaster resilience of Australian communities nationwide.</p><p>As such, disaster resilience can be understood as a protective characteristic that acts to reduce the effects of, and losses from, natural hazards. Resilience arises from the capacities of social, economic and government systems to prepare for, respond to and recover from a natural hazard event, and to learn, adapt and transform in anticipation of future natural hazard events.</p>