Modelling the socio-economic impact of river floods in Europe

Alfieri, L., Feyen, L., Salamon, P., Thielen, J., Bianchi, A., Dottori, F., & Burek, P. ORCID: https://orcid.org/0000-0001-6390-8487 (2016). Modelling the socio-economic impact of river floods in Europe. Natural Hazards and Earth System Sciences 16 (6) 1401-1411. 10.5194/nhess-16-1401-2016.

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Abstract

River floods generate a large share of the socio-economic impact of weather-driven hazards worldwide. Accurate assessment of their impact is a key priority for governments, international organization, reinsurance companies and emergency responders. Yet, available databases of flood losses over large domains are often affected by gaps and inconsistencies in reported figures. In this work, a framework to reconstruct the economic damage and population affected by river floods at continental scale is applied. Pan-European river flow simulations are coupled with a high-resolution impact assessment framework based on 2-D inundation modelling. Two complementary methods are compared in their ability to estimate the climatological average flood impact and the impact of each flood event in Europe between 1990 and 2013. The event-based method reveals key features, such as the ability to include changes in time of all three components of risk, namely hazard, exposure and vulnerability. Furthermore, it skilfully reproduces the socio-economic impact of major flood events in the past two decades, including the severe flooding hitting central Europe in June 2013. On the other hand, the integral method is capable of reproducing the average flood losses which occurred in Europe between 1998 and 2009. Strengths and limitations of the proposed model are discussed to stress the large potential for filling in the gaps of current datasets of flood impact.

Item Type:	Article
Research Programs:	Water (WAT)
Depositing User:	Luke Kirwan
Date Deposited:	04 Jul 2016 07:09
Last Modified:	27 Aug 2021 17:27
URI:	https://pure.iiasa.ac.at/13340

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