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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Simulace vlivu potenciálně vybudované vodní nádrže na odtok vody z vybraného povodí
 HOŘEJŠÍ, Štěpán
This thesis consists of a literature review and a practical part focused on water retention - one of the crucial functions of water reservoirs. The aim of the thesis is to use the hydrological model HEC-HMS to simulate the impact of the water reservoir on the water runoff from the catchment area in the selected watershed and demonstrate how water reservoirs are able to affect the hydrograph during rainfall runoff events. In the included literature review, water reservoirs and their classifications are defined. Subsequently, precipitation and runoff, as well as the rainfall-runoff events, are explained. At the end of the literature review, various hydrological models are presented, with a closer description of the HEC-HMS hydrological model. The practical part consists of a description of the catchment area and the constructed water reservoir. This is followed by an analysis of the used method, including the necessary calculations for hydrological modelling. Finally, obtained results are presented and evaluated.
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Vliv vodních nádrží v povodí na odtokové charakteristiky při srážko-odtokových událostech
 HOŘEJŠÍ, Štěpán
This bachelor thesis, written as literary research, is focused on one of the most im-portant functions of water reservoirs - water retention. The aim of this bachelor thesis is to show the way water bodies are able to affect the hydrograph during rain-fall-runoff events. The first part of the thesis is focused on water categorization and the hydrological cycle. The next part comprises a detailed description of water res-ervoirs. This includes a list of their key functions and specific types. The history of water reservoirs is also mentioned. The third part is reserved for rainfall-runoff events. Finally, factors affecting water runoff are discussed, followed by an expla-nation of how water bodies affect water regimes. In the end, the influence of water reservoirs on the size and shape of the hydrograph during rainfall-runoff events is described.
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