Articles | Volume 18, issue 8
https://doi.org/10.5194/nhess-18-2127-2018
https://doi.org/10.5194/nhess-18-2127-2018
Research article
 | 
10 Aug 2018
Research article |  | 10 Aug 2018

Understanding epistemic uncertainty in large-scale coastal flood risk assessment for present and future climates

Michalis I. Vousdoukas, Dimitrios Bouziotas, Alessio Giardino, Laurens M. Bouwer, Lorenzo Mentaschi, Evangelos Voukouvalas, and Luc Feyen

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ED: Publish subject to minor revisions (review by editor) (12 Jul 2018) by Hessel Winsemius
AR by Michalis Vousdoukas on behalf of the Authors (13 Jul 2018)  Author's response    Manuscript
ED: Publish as is (13 Jul 2018) by Hessel Winsemius
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Short summary
We examine sources of epistemic uncertainty in coastal flood risk models. We find that uncertainty from sea level estimations can be higher than that related to greenhouse gas emissions or climate prediction errors. Of comparable importance is information on coastal protection levels and the topography. In the absence of large datasets with sufficient resolution and accuracy, the last two factors are the main bottlenecks in terms of estimating coastal flood risks at large scales.
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