Enhancing resilience by altering our approach to earthquake and flooding assessment: multi-hazards. (2018)
Type of ContentConference Contributions - Published
Natural hazard reviews reveal increases in disaster impacts nowhere more pronounced than in coastal settlements. Despite efforts to enhance hazard resilience, the common trend remains to keep producing disaster prone places. This paper explicitly explores hazard versus multi-hazard concepts to illustrate how different conceptualizations can enhance or reduce settlement resilience. Understandings gained were combined with onthe-ground lessons from earthquake and flooding experiences to develop of a novel ‘first cut’ approach for analyzing key multi-hazard interconnections, and to evaluate resilience enhancing opportunities. Traditional disaster resilience efforts often consider different hazard types discretely. However, recent events in Christchurch, a New Zealand city that is part of the 100 Resilient Cities network, highlight the need to analyze the interrelated nature of different hazards, especially for enhancing lifelines system resilience. Our overview of the Christchurch case study demonstrates that seismic, hydrological, shallow-earth, and coastal hazards can be fundamentally interconnected, with catastrophic results where such interconnections go unrecognized. In response, we have begun to develop a simple approach for use by different stakeholders to support resilience planning, pre and post disaster, by: drawing attention to natural and built environment multi-hazard links in general; illustrating a ‘first cut’ tool for uncovering earthquake-flooding multi-hazard links in particular; and providing a basis for reviewing resilience strategy effectiveness in multi-hazard prone environments. This framework has particular application to tectonically active areas exposed to climate-change issues.
CitationHart DE, Giovinazzi S, Byun D-S, Davis C, Ko SY, Gomez C, Hawke K, Todd D (2018). Enhancing resilience by altering our approach to earthquake and flooding assessment: multi-hazards.. Thessaloniki: 16th European Conference on Earthquake Engineering. 18/06/2018-21/06/2018. yes. 1-13.
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KeywordsResilience; Multi-hazards; Earthquake-flooding assessment framework; Post-Disaster Recovery; Canterbury Earthquake Sequence
ANZSRC Fields of Research40 - Engineering::4005 - Civil engineering::400506 - Earthquake engineering
37 - Earth sciences::3709 - Physical geography and environmental geoscience::370903 - Natural hazards
12 - Built Environment and Design::1205 - Urban and Regional Planning
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