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Open AccessFeature PaperArticle

Climate Risk and Vulnerability Assessment of Floods in Austria: Mapping Homogenous Regions, Hotspots and Typologies

Interfaculty Department of Geoinformatics—Z_GIS, Paris-Lodron-University of Salzburg (PLUS), 5020 Salzburg, Austria
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Sustainability 2020, 12(16), 6458; https://doi.org/10.3390/su12166458
Received: 12 June 2020 / Revised: 3 August 2020 / Accepted: 8 August 2020 / Published: 11 August 2020
(This article belongs to the Special Issue Climate Risk and Vulnerability Mapping)
This research addresses the need for proactive climate risk management (CRM) by developing and applying a spatial climate risk and vulnerability assessment (CRVA) to flooding under consideration of the socio-economic dimension in Austria. Our research builds on a consolidated risk and vulnerability framework targeting both disaster risk reduction (DRR) and climate change adaptation (CCA) while integrating the consolidated risk approach of the Intergovernmental Panel on Climate Change (IPCC). Furthermore, our research advances current methodologies by applying a spatially explicit and indicator-based approach, which allows the targeted and place-specific identification of intervention options—independent from the spatial bias of administrative units. The flooding CRVA is based on a comprehensive list of 14 primary indicators and 35 socio-economic sub-indicators. Our results indicate that high levels of socio-economic vulnerability related to flooding are concentrated in the northern and eastern regions of Austria. When integrating a climate hazard proxy, statistically significant risk hotspots (>90% confidence) can be identified in central-northern Austria and towards the east. Furthermore, we established a typology of regions following a spatially enabled clustering approach. Finally, our research provides a successful operationalization of the IPCC Fifth Assessment Report (AR5) risk framework in combination with enhanced spatial analysis methods. View Full-Text
Keywords: climate change adaptation; resilience; exposure; regionalization; aggregation; spatial indicators; spatial analysis climate change adaptation; resilience; exposure; regionalization; aggregation; spatial indicators; spatial analysis
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Leis, J.-L.; Kienberger, S. Climate Risk and Vulnerability Assessment of Floods in Austria: Mapping Homogenous Regions, Hotspots and Typologies. Sustainability 2020, 12, 6458.

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