Articles | Volume 24, issue 11
https://doi.org/10.5194/nhess-24-4015-2024
https://doi.org/10.5194/nhess-24-4015-2024
Invited perspectives
 | Highlight paper
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26 Nov 2024
Invited perspectives | Highlight paper |  | 26 Nov 2024

Invited perspectives: safeguarding the usability and credibility of flood hazard and risk assessments

Bruno Merz, Günter Blöschl, Robert Jüpner, Heidi Kreibich, Kai Schröter, and Sergiy Vorogushyn

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This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
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Cited articles

Aerts, J. C. J. H., Botzen, W. J., Clarke, K. C., Cutter, S. L., Hall, J. W., Merz, B., Michel-Kerjan, E., Mysiak, J., Surminski, S., and Kunreuther, H.: Integrating human behaviour dynamics into flood disaster risk assessment, Nat. Clim. Change, 8, 193–199, https://doi.org/10.1038/s41558-018-0085-1, 2018. 
Aumann, C. A.: A methodology for developing simulation models of complex systems, Ecol. Model., 202, 385–396, https://doi.org/10.1016/j.ecolmodel.2006.11.005, 2007. 
Bähler, F., Wegmann, M., and Merz, H.: Pragmatischer Ansatz zur Risikobeurteilung von Naturgefahren, Wasser Energie Luft – Eau Énergie Air, 93, 193–196, 2001. 
Barendrecht, M. H., Viglione, A., and Blöschl, G.: A dynamic framework for flood risk, Water Security, 1, 3–11, https://doi.org/10.1016/j.wasec.2017.02.001, 2017. 
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Executive editor
The manuscript addresses an important topic of the useful and correct use of flood hazard and risk assessment approaches. It could serve as a benchmark overview of best practice and thus be of enormous value for the flood hazard community and any related application out of this. The manuscript addresses the important role of stakeholder participation, objectivity, and verifiability when assessing flood hazard and risk.
Short summary
Flood risk assessments help us decide how to reduce the risk of flooding. Since these assessments are based on probabilities, it is hard to check their accuracy by comparing them to past data. We suggest a new way to validate these assessments, making sure they are practical for real-life decisions. This approach looks at both the technical details and the real-world situations where decisions are made. We demonstrate its practicality by applying it to flood emergency planning.
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