Articles | Volume 25, issue 3
https://doi.org/10.5194/hess-25-1347-2021
https://doi.org/10.5194/hess-25-1347-2021
Research article
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19 Mar 2021
Research article | Highlight paper |  | 19 Mar 2021

Do small and large floods have the same drivers of change? A regional attribution analysis in Europe

Miriam Bertola, Alberto Viglione, Sergiy Vorogushyn, David Lun, Bruno Merz, and Günter Blöschl

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This preprint is open for discussion and under review for Hydrology and Earth System Sciences (HESS).
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Characteristics and process controls of statistical flood moments in Europe – a data-based analysis
David Lun, Alberto Viglione, Miriam Bertola, Jürgen Komma, Juraj Parajka, Peter Valent, and Günter Blöschl
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Cited articles

Alfieri, L., Burek, P., Feyen, L., and Forzieri, G.: Global warming increases the frequency of river floods in Europe, Hydrol. Earth Syst. Sci., 19, 2247–2260, https://doi.org/10.5194/hess-19-2247-2015, 2015. a, b
Arheimer, B. and Lindström, G.: Detecting Changes in River Flow Caused by Wildfires, Storms, Urbanization, Regulation, and Climate Across Sweden, Water Resour. Res., 55, 8990–9005, https://doi.org/10.1029/2019WR024759, 2019. a
Berg, P., Moseley, C., and Haerter, J. O.: Strong increase in convective precipitation in response to higher temperatures, Nat. Geosci., 6, 181–185, 2013. a
Berghuijs, W. R., Harrigan, S., Molnar, P., Slater, L. J., and Kirchner, J. W.: The Relative Importance of Different Flood-Generating Mechanisms Across Europe, Water Resour. Res., 55, 4582–4593, https://doi.org/10.1029/2019WR024841, 2019. a, b
Bertola, M., Viglione, A., and Blöschl, G.: Informed attribution of flood changes to decadal variation of atmospheric, catchment and river drivers in Upper Austria, J. Hydrol., 577, 123919, https://doi.org/10.1016/j.jhydrol.2019.123919, 2019. a, b
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Short summary
We estimate the contribution of extreme precipitation, antecedent soil moisture and snowmelt to changes in small and large floods across Europe. In northwestern and eastern Europe, changes in small and large floods are driven mainly by one single driver (i.e. extreme precipitation and snowmelt, respectively). In southern Europe both antecedent soil moisture and extreme precipitation significantly contribute to flood changes, and their relative importance depends on flood magnitude.
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