Since this model is very computationally expensive, it has to run on high-performance computers (such as the Lichtenberg II of the TU Darmstadt) and extensive calibrations with a high number of parameters are hardly possible. To reduce the number of parameters and thus the computational costs of a calibration, our goal is to analyze particularly relevant parameters in a sensitivity analysis. Simulations are carried out for three different catchments: Wüstbach, Rollesbroich and Stettbach. While the first two are intensive monitoring sites of the TERENO network, the last one is a study area that was established and equipped (weather station, three discharge gauging stations, 60 soil moisture sensors in a wireless network) by the Hydrogeology Group, TU Darmstadt.
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