Abstract
In this study the authors looked at the impact of climate change on a hydrological regime and catchment runoff in selected catchments of Slovakia. Changed climate conditions, which are characterized in particular by changes in precipitation, air temperature, and potential evapotranspiration in future decades, have been predicted according to the outputs of the KNMI and MPI regional climate change models and the A1B emission scenario. Assuming these scenarios, the hydrological regime characteristics were simulated by a distributed WetSpa rainfall-runoff model parameterized for five selected river basins in a daily step by the year 2100. When compared to the current state, changes in the total runoff and its components, as well as changes in the soil moisture and the actual evapotranspiration, confirm the assumption of an increase in extremes of the runoff regime in the winter period and a decrease during the summer and autumn periods, causing possible droughts. The results of the study indicate a need for re-evaluation of the water demands and the future design of water management structures in Slovakia.
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Acknowledgements
This work was supported by the Slovak Research and Development Agency under Contract Nos. APVV-15-0497, APVV 15-0425 and VEGA Grant No. 1/0891/17.
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Rončák, P., Hlavčová, K., Kohnová, S., Szolgay, J. (2019). Impacts of Future Climate Change on Runoff in Selected Catchments of Slovakia. In: Leal Filho, W., Trbic, G., Filipovic, D. (eds) Climate Change Adaptation in Eastern Europe. Climate Change Management. Springer, Cham. https://doi.org/10.1007/978-3-030-03383-5_19
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