Acta Univ. Agric. Silvic. Mendelianae Brun. 2014, 62(1), 191-199 | DOI: 10.11118/actaun201462010191

Influence of Landscape Retention Capacity Upon Flood Processes in Jičínka River Basin

František Pavlík, Miroslav Dumbrovský
Institute of Landscape Water Management, Faculty of Civil Engineering, Brno University of Technology, Veveří 95, 602 00 Brno, Czech Republic

In a survey of landscape retention capability results of measurements obtained during the disastrous flood in June 2009 were used. The original method based on the balance among the daily precipitation fallen on the basin with discharges in the final profile was used on the analogy with transformation of the flood discharge through a reservoir. Following basin retention are defined: dynamic Rd, static Rs including the underground retention Rug and evaporation E, and total Rt. Main principal criteria were the effective static retention of the basin Rsef and a coefficient of the effective static basin retention ρsef (3). The coefficient of reducing flood culmination λcul (4) was calculated, too. Also investigated factors having the most influence on a retention capacity of a basin are introduced. Summary of results are shown in the Tab. I. Values of the most important criterion quantities are marked in shadow colour. The results show, for example, that the found out coefficient ρsef is 0.52. It means that the soil (and slightly a vapour, too) in the basin caught 52% of volume of wave in the time of culmination discharge in a basin. Also some further interested findings are introduced in the results and conclusions.

Keywords: landscape, retention, flood flows, river basin
Grants and funding:

The paper was elaborated with financial support from Research Project MZE QJ1230066 and QJ1320157 thanks to the support of the Ministry of Agriculture of the Czech Republic.

Prepublished online: April 22, 2014; Published: February 1, 2014  Show citation

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Pavlík, F., & Dumbrovský, M. (2014). Influence of Landscape Retention Capacity Upon Flood Processes in Jičínka River Basin. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 62(1), 191-199. doi: 10.11118/actaun201462010191
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