1. Postdoctoral Researcher, Dept. of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech Univ. of Life Sciences Prague, Kamycka 129, 165 21 Prague 6, Suchdol, Czech Republic (corresponding author).
2. M.Sc. Student, Dept. of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech Univ. of Life Sciences Prague, Kamycka 129, 165 21 Prague 6, Suchdol, Czech Republic.
3. Professor, Dept. of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech Univ. of Life Sciences Prague, Kamycka 129, 165 21 Prague 6, Suchdol, Czech Republic.
4. Senior Lecturer, Dept. of Water Resources, Faculty of Agrobiology, Food and Natural Resources, Czech Univ. of Life Sciences Prague, Kamycka 129, 165 21 Prague 6, Suchdol, Czech Republic.