Estimating flash flood peak discharge in Gidra and Parná basin: case study for the 7–8 june 2011 flood | Odhad vrcholových prietokov v povodí Gidry a Parnej – prípadová štúdia povodne zo 7.– 8. júna 2011
2012
Pekárová, P., Slovak Academy of Sciences, Bratislava (Slovak Republic). Institute of Hydrology | Svoboda, A., Slovak Academy of Sciences, Bratislava (Slovak Republic). Institute of Hydrology | Miklánek, P., Slovak Academy of Sciences, Bratislava (Slovak Republic). Institute of Hydrology | Škoda, P., Slovak Hydrometeorological Institute, Bratislava (Slovak Republic) | Halmová, D., Slovak Academy of Sciences, Bratislava (Slovak Republic). Institute of Hydrology | Pekár, J., Comenius Univ., Bratislava (Slovak Republic)
We analyzed the runoff and its temporal distribution during the catastrophic flood events on river Gidra (32.9 square km) and Parná (37.86 square km) of the 7th June 2011. The catchments are located in the Small Carpathian Mountains, western Slovakia. Direct measurements and evaluation of the peak discharge values after such extreme events are emphasized in the paper including exceedance probabilities of peak flows and of their causal flash rainfall events. In the second part of the paper, plausible modeling mode is presented, using the NLC (Non Linear Cascade) rainfall-runoff model. Several hypothetical extreme flood events were simulated by the NLC model for both rivers. Also the flood runoff volumes are evaluated as basic information on the natural or artificial catchment storage.
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