Articles | Volume 24, issue 7
https://doi.org/10.5194/nhess-24-2559-2024
https://doi.org/10.5194/nhess-24-2559-2024
Research article
 | 
25 Jul 2024
Research article |  | 25 Jul 2024

Model-based assessment of climate change impact on inland flood risk at the German North Sea coast caused by compounding storm tide and precipitation events

Helge Bormann, Jenny Kebschull, Lidia Gaslikova, and Ralf Weisse

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Cited articles

Ahlhorn, F., Spiekermann, J., Schaal, P., Bormann, H., and Kebschull, J.: Akteursbeteiligung bei der Anpassung des Entwässerungsmanagements im norddeutschen Küstenraum, Wasser und Abfall, 20, 28–35, https://doi.org/10.1007/978-3-658-42657-6_20, 2018. 
Behre, K. E.: Landscape Development and Occupation History Along the Southern North Sea Coast, in: Wefer, G., Berger, W.H., Behre, K.E., Jansen, E. (eds): Climate Development and History of the North Atlantic Realm, Springer, Berlin, Heidelberg, https://doi.org/10.1007/978-3-662-04965-5_18, 2002. 
Bevacqua, E., Maraun, D., Vousdoukas, M.I., Voukouvalas, E., Vrac, M., Mentaschi, L., and Widmann, M.: Higher probability of compound flooding from precipitation and storm surge in Europe under anthropogenic climate change, Science Advances, 5, eaaw5531, https://doi.org/10.1126/sciadv.aaw5531, 2019. 
Bevacqua, E., Vousdoukas, M. I., Zappa, G., Hodges, K., Shepherd, T. G., Maraun, D., Mentaschi, L., and Feyen, L.: More meteorological events that drive compound coastal flooding are projected under climate change. Commun. Earth Environ., 1, 1–11, https://doi.org/10.1038/s43247-020-00044-z, 2020. 
Bormann, H.: Sensitivity of a regionally applied soil vegetation atmosphere transfer scheme to input data resolution and data classification, J. Hydrol., 351, 154–169, https://doi.org/10.1016/j.jhydrol.2007.12.011, 2008. 
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Short summary
Inland flooding is threatening coastal lowlands. If rainfall and storm surges coincide, the risk of inland flooding increases. We examine how such compound events are influenced by climate change. Data analysis and model-based scenario analysis show that climate change induces an increasing frequency and intensity of compounding precipitation and storm tide events along the North Sea coast. Overload of inland drainage systems will also increase if no timely adaptation measures are taken.
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