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Towards a wildfire vulnerability index using expert judgement

Maria Papathoma-Köhle , David Hausharter, Matthias Schlögl , Sven Fuchs

Abstract

Abstract Background: Climate change is expected to significantly change wildfire frequency and magnitude, which poses particular challenges for countries with limited experience in managing wildfires (e.g. Austria). Aims: To develop a vulnerability index, this study aims at the weighting of the characteristics of buildings and their surroundings (vulnerability indicators) by involving different national stakeholders (Austria) and international experts. Methods: Expert judgement and the Analytic Hierarchy Process (AHP) were used for the weighting of indicators already identified in a previous study through a literature review. Key results: The expert judgement of two expert groups regarding the weighting of the vulnerability indicators is compared. A wildfire vulnerability index which combines all the indicators in a single vulnerability index assigned to each building is introduced. Conclusions: The wildfire vulnerability index for buildings is a tool for decision-makers and other end users in Austria. The index sets the foundations for ongoing research in the field of vulnerability assessment and is based on trans-disciplinary approaches involving both, academia and stakeholders. Implications: The index can be used to support decision-making, risk reduction, and climate change adaptation strategies but it can also guide local adaptation on the building level.

WF24114  Accepted 18 December 2024

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