Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Clustering of a Runoff Regime in Slovakia Using the PCA Method
Sabová, Zuzana ; Liová, Anna ; Kohnová, Silvia
A new scheme has been created for pooling data on the long-term average monthly runoff in Slovakia using information from 57 gauging stations from 1991 to 2020. A statistical analysis has determined the optimal number of clusters from the normalised data, and the Principal Component Analysis (PCA) method and K-means clustering were used to group basins into five pooling groups. Finally, the critical characteristics of these pooling groups were determined, and a typical regime was determined.
Analysis of Changes in Average Monthly Discharges until 2100 in Selected River Basins in Slovakia
Sabová, Zuzana ; Kohnová, Silvia
The paper is focused on the analysis of changes in average monthly discharges using MPI and KNMI climate scenario in the gauging station Liptovský Mikuláš (5550) in the Váh River Basin and in the gauging station Chmelnica (8320) in the Poprad River Basin. To achieve the results, the program Indicators of Hydrologic Alteration was used. Available data were, i.e., the observed daily discharge data, the modelled data from the rainfall-runoff HBV model, and the MPI and KNMI climate scenarios data were used to model daily discharges using the HBV model until 2100. Data were divided into four time periods, i.e., 1981-2010, 2011-2040, 2041-2070, and 2071-2100. The results showed a decrease in average monthly discharges in the summer months and an increase in the winter months until 2100.

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