Towards dynamics in flood risk assessment

Mazzorana, Bruno; Levaggi, Laura; Keiler, Margreth; Fuchs, Sven (2012). Towards dynamics in flood risk assessment. Natural Hazards and Earth System Sciences, 12(1), pp. 3571-3587. Göttingen: Copernicus Publications 10.5194/nhess-12-3571-2012

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As a consequence of flood impacts, communities inhabiting mountain areas are increasingly affected by considerable damage to infrastructure and property. The design of effective flood risk mitigation strategies and their subsequent implementation is crucial for a sustainable development in mountain areas. The assessment of the dynamic evolution of flood risk is the pillar of any subsequent planning process that is targeted at a reduction of the expected adverse consequences of the hazard impact. Given these premises, firstly, a comprehensive method to derive flood hazard process scenarios for well-defined areas at risk is presented. Secondly, conceptualisations of a static and dynamic flood risk assessment are provided. These are based on formal schemes to compute the risk mitigation performance of devised mitigation strategies within the framework of economic cost-benefit analysis. In this context, techniques suitable to quantify the expected losses induced by the identified flood impacts are provided.

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