Continuous simulation for flood estimation in ungauged mesoscale catchments of Switzerland – Part II: parameter regionalisation and flood estimation results

Viviroli, Daniel; Mittelbach, Heidi; Gurtz, Joachim; Weingartner, Rolf

doi:10.1016/j.jhydrol.2009.08.022

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Viviroli, D., Mittelbach, H., Gurtz, J., & Weingartner, R. (2009). Continuous simulation for flood estimation in ungauged mesoscale catchments of Switzerland – Part II: parameter regionalisation and flood estimation results. Journal of Hydrology, 377(1–2), 208–225. https://doi.org/10.1016/j.jhydrol.2009.08.022

Abstract

Flood estimations for ungauged mesoscale catchments are as important as they are difficult. So far, empirical and stochastic methods have mainly been used for this purpose. Experience shows, however, that these procedures entail major errors. In order to make further progress in flood estimation, a continuous precipitation–runoff-modelling approach has been developed for practical application in Switzerland using the process-oriented hydrological modelling system PREVAH (Precipitation– Runoff–EVApotranspiration-HRU related model). The