Articles | Volume 21, issue 3
https://doi.org/10.5194/nhess-21-1011-2021
https://doi.org/10.5194/nhess-21-1011-2021
Research article
 | 
15 Mar 2021
Research article |  | 15 Mar 2021

Flood risk assessment of the European road network

Kees C. H. van Ginkel, Francesco Dottori, Lorenzo Alfieri, Luc Feyen, and Elco E. Koks

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Cited articles

Albano, R., Mancusi, L., Sole, A., and Adamowski, J.: FloodRisk: a collaborative, free and open-source software for flood risk analysis, Geomatics, Nat. Hazards Risk, 8, 1812–1832, https://doi.org/10.1080/19475705.2017.1388854, 2017. 
Alfieri, L., Salamon, P., Bianchi, A., Neal, J., Bates, P., and Feyen, L.: Advances in pan-European flood hazard mapping, Hydrol. Process., 28, 4067–4077, https://doi.org/10.1002/hyp.9947, 2014. 
Alfieri, L., Feyen, L., Dottori, F., and Bianchi, A.: Ensemble flood risk assessment in Europe under high end climate scenarios, Glob. Environ. Chang., 35, 199–212, https://doi.org/10.1016/j.gloenvcha.2015.09.004, 2015. 
Alfieri, L., Feyen, L., and Di Baldassarre, G.: Increasing flood risk under climate change: a pan-European assessment of the benefits of four adaptation strategies, Clim. Change, 136, 507–521, https://doi.org/10.1007/s10584-016-1641-1, 2016a. 
Alfieri, L., Feyen, L., Salamon, P., Thielen, J., Bianchi, A., Dottori, F., and Burek, P.: Modelling the socio-economic impact of river floods in Europe, Nat. Hazards Earth Syst. Sci., 16, 1401–1411, https://doi.org/10.5194/nhess-16-1401-2016, 2016b. 
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This study presents a state-of-the-art approach to assess flood damage for each unique road segment in Europe. We find a mean total flood risk of EUR 230 million per year for all individual road segments combined. We identify flood hotspots in the Alps, along the Sava River, and on the Scandinavian Peninsula. To achieve this, we propose a new set of damage curves for roads and challenge the community to validate and improve these. Analysis of network effects can be easily added to our analysis.
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