Brönnimann, Stefan; Stucki, Peter; Zischg, Andreas Paul (2019). Simulation des Hochwassers von 1868 und Lehren für die Zukunft. WSL Berichte(78), pp. 13-20. Eidg. Forschungsanstalt für Wald, Schnee und Landschaft WSL
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Numerical methods combined with historical data allow the detailed and quantitative investigation of past weather events such as the 1868 flood. This flood affected Ticino, Grisons and Valais and led to enormous damage. Based on reanalyses and dynamical downscaling, the event can today be reproduced with hydrological-hydraulic models and the historical damage data can be compared with contemporary flood impacts of a similar magnitude. It can be used as one basis for estimating extreme meteorological and hydrological scenarios for hazard assessment. Moreover, it can help quantifying the effects of the river correction and flood protection measures constructed in the aftermath of the flood. Although the floodplains are now much more intensively populated than at that time, the river engineering measures of the Ticino River in the Magadino plain prove to be effective. We can also learn from a historical analysis for the coping strategies. The event strengthened upcoming positions in flood hazard management and set a new course for the practice of flood management in the long term.