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Chapitre D'ouvrage Année : 2022

Connecting Hazard and Impact: A Partnership between Physical and Human Science

Résumé

Abstract The bridge from a hazard to its impact is at the heart of current efforts to improve the effectiveness of warnings by incorporating impact information into the warning process. At the same time, it presents some of the most difficult and demanding challenges in contrasting methodology and language. Here we explore the needs of the impact scientist first, remembering that the relevant impacts are those needed to be communicated to the decision maker. We identify the challenge of obtaining historical information on relevant impacts, especially where data are confidential, and then of matching suitable hazard data to them. We then consider the constraints on the hazard forecaster, who may have access to large volumes of model predictions, but cannot easily relate these to the times and locations of those being impacted, and has limited knowledge of model accuracy in hazardous situations. Bridging these two requires an open and pragmatic approach from both sides. Relationships need to be built up over time and through joint working, so that the different ways of thinking can be absorbed. This chapter includes examples of partnership working in the Australian tsunami warning system, on health impact tools for dispersion of toxic materials in the UK and on the health impacts of heatwaves in Australia. We conclude with a summary of the characteristics that contribute to effective impact models as components of warning systems, together with some pitfalls to avoid.

Dates et versions

hal-03752154 , version 1 (16-08-2022)

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Citer

Joanne Robbins, Isabelle Ruin, Brian Golding, Rutger Dankers, John Nairn, et al.. Connecting Hazard and Impact: A Partnership between Physical and Human Science. Towards the “Perfect” Weather Warning, Springer International Publishing, pp.115-147, 2022, ⟨10.1007/978-3-030-98989-7_5⟩. ⟨hal-03752154⟩
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