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April 2024
Journal of Hydrology. - 634(2024), Art. 131023

Hydrological model skills change with drought severity; insights from multi-variable evaluation

Giulia Bruno; Francesco Avanzi; Lorenzo Alfieri; Andrea Libertino; Simone Gabellani; Doris Duethmann

The study investigated the ability of the Continuum hydrological model in simulating the water cycle in the Po river basin (Italy) during droughts of increasing severity. The simulation of streamflow during the severe 2022 drought was characterized by comparatively lower performances than during moderate events, most likely due to challenges in representing high human influences via irrigation.

April 2024
Geophysical Research Letters. - 51(2024)6, Art. e2023GL107753

Increases in Water Balance-Derived Catchment Evapotranspiration in Germany During 1970s–2000s Turning Into Decreases Over the Last Two Decades, Despite Uncertainties

G. Bruno; D. Duethmann

The authors studied variations in evapotranspiration from precipitation and streamflow data for 461 German catchments from 1964–2019, by considering also changes in water storage and precipitation uncertainty. Evapotranspiration increased over 1970s–2000s, while it stabilized or even tended to decrease afterwards, and these variations were related with those in precipitation and solar radiation.