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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 2 | Copyright
Nat. Hazards Earth Syst. Sci., 14, 379-400, 2014
https://doi.org/10.5194/nhess-14-379-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 25 Feb 2014

Research article | 25 Feb 2014

The value of integrating information from multiple hazards for flood risk analysis and management

J. T. Castillo-Rodríguez1, I. Escuder-Bueno1, L. Altarejos-García1,2, and A. Serrano-Lombillo2 J. T. Castillo-Rodríguez et al.
  • 1Research Institute of Water and Environmental Engineering, Universitat Politècnica de València (UPV), Camino de Vera s/n, 46022 Valencia, Spain
  • 2iPresas Risk Analysis, UPV Spin-off company, Valencia, Spain

Abstract. This article presents a methodology for estimating flood risk in urban areas integrating pluvial flooding, river flooding and failure of both small and large dams. The first part includes a review of basic concepts on flood risk analysis, evaluation and management. Flood risk analyses may be developed at local, regional and national level, however a general methodology to perform a quantitative flood risk analysis including different flood hazards is still required. The second part describes the proposed methodology, which presents an integrated approach – combining pluvial, river flooding and flooding from dam failure, as applied to a case study: an urban area located downstream of a dam under construction. The methodology enhances the approach developed within the SUFRI project ("Sustainable Strategies of Urban Flood Risk Management to cope with the residual risk", 2009–2011). This article also shows how outcomes from flood risk analysis provide better and more complete information to inform authorities, local entities and the stakeholders involved in decision-making with regard to flood risk management.

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