The diploma thesis is focused on rainfall-runoff relations of Srní potok (stream) basin. The input data were processed in the ArcGIS software. There was used hydrological model DesQ-MAXQ to evaluate retention potential in Srní potok basin. The thesis includes literature overview dealing with a water retention in a landscape and describing basic hydrological characteristics (a potential retention in the basin, a water flow, a water outfall, the time of concentration, the volume of a flood wave). A practical part of the thesis describes a characteristic of the interested basin, a preparation and a processing of the input data. There is evaluated the retention potential and a drainage conditions in the Srni potok basin in the conclusion. The outputs from the DesQ-MAXQ hydrological model describing the hydrological characteristics of the basin were graphically presented by map outputs created in the ArcGIS software.

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The aim of this paper is to describe and compare various methods of runoff separation. Therefore it is necessary to explain basic hydrological terms that are important for understanding the water regime of landscape. Long-term monitoring of the water regime of the whole catchment area can provide successful detection of hydrological extremes such as droughts or devastating floods. The paper is divided in two parts. The theoretical part includes the literature rerview explaining basic hydrological terms and individual components of water cycle in nature, summary of methods usually used for runoff separation, and the description of the applied methods. The practical part specifies the locality of Jenínský stream, located in the Český Krumlov district. This part further reflects separation of runoff based on the daily runoffs. Methods GROUND, MPGM and Chapman digital filter have been chosen to compare primary runoff and direct runoff. We have also considered the method of separation of minimal monthly runoff according to Kille for seven-year period in relation to the methods mentioned above. Finally, we have chosen several discharge waves for the method of recession curve analysis. The paper compares direct and primary runoff separated by individual methods in the catchment area of our interest.

The aim of the diploma thesis is to present the landscape classification of the Czech hydrometeorological institute's experimental Watersheds in the Jizera Mountains. The classification was developed on the Watersheds of selected physical- geographic characteristics that can influence its rainfall-runoff process. The selected factors were geologic standards, soil cover and characteristics of the relief - inclination, exposition and vegetation types. The landscape cover represents one of the most significant factors that form the surface runoff. The method of cluster analysis, more specifically the method of K-means clustering, was used for the landscape classification. The typology was developed for the abiotic characteristics of the watersheds as well as for the landscape cover. Altogether 5 analyses with different numbers of clusters were produced while creating both classifications. Based on the analyses the watersheds with the most similar abiotic characteristics and landscape covers were defined. The annex of the thesis is the evaluation of the landscape development of the target area from the years 1953, 1986 and 2013.

The thesis is focused on the evaluation of rainfall-runoff process on three stabilized micro-watersheds with different tree species in forest stand, which cover spruce, beech and mixed forest stand, located in the uplands. River basin has been investigated under the same climatic conditions during the growing season 2015. Examined micro-watersheds is located in the FTE Křtiny. This thesis include evaluation of basic statistical parameters and assessment of extreme event for particular watersheds. The work also includes a literature review on the topic parameterization rainfall-runoff process and a description of the experimental watershed. The results indicate that the highest water management efficiency (best parameters of the runoff process)obtains a catchment area of beech stand, while the worst parametrs obtains the spruce watershed.

Hydro-synoptic analysis of floods on Berounka basin This thesis she aims to analyze the meteorological causes of floods, a database foundation flood situation and determine the potential effect of Šumava and Brdy flow of flood wave in Beroun. Overall, the relatively high impact of floods in Beroun have Úhlava (Šumava flow) and Klabava (Brdy flow). We can say that closer ties to the Šumava streams. Undoubtedly contributes to the shape of the basin after Serrated profile Plzen - Bílá Hora. Analysis of the meteorological causes of observed recurrent selected weather situations, but the most extreme floods (1978.1981, 2002) were caused by both type C. A detailed examination of the flood flows in the basin was prepared Berounka bank flood episodes. Keywords: Flood, the flood wave, basin Berounka, causal situation, hydro-synoptic analysis.

Digital river network dataset is an important source of information in any aspect of water management decision making. It is also a base for modelling or scientific research in many different fields. Development of the dataset in the Czech Republic had been fragmented in a past and as a result three different datasets have been developed that cover the whole of the state's territory. The datasets contain different geometries, different and often conflicting attributes and serve different purposes. Today the time has come that water management decision makers have realised that the situation is no longer sustainable and make effort to merge the datasets into one. The task brings in several technical issues and a potential for severe legal consequences. The aim of this study is to develop a methodological approach to merging the existing datasets into one. This methodological approach to decision which of the conflicting or different attributes should be adopted is based on assumption that the existing datasets will be merged into one consisting the best of all. Comparison of features in the existing dataset will inevitably lead to many conflicts when it will be necessary to decide which of the considered features should be adopted to the resulting dataset. The study considers the main purposes which...

The main task of this diploma thesis is to evaluate function of system of open drainage channels and its impact on runoff from Tetřívčí brook forest catchment in Šumava mountains region, upper basin of the Blanice River. Catchment area is only 1,62 km2 and total length of all channels is over 12 km, so it's very important feature of this catchment. The first task was to explore to explore all the channels and set them to the map. Most of used data were measured manually, only precipitation and water level in main stream were measured by automatic gauges. It's not possible to compare results with state without channels, what is the main obstacle for data analysis. Measured channels normally contribute to total catchment runoff by 6 % to 39 %. About 20 % of channel length participate in runoff process in dry periods, in wet periods it can be even 90 % of channel length, what indicates functionality of drainage system. Actual soil saturation in the catchment is very important factor, it's expressed either by index API 5 (based on precipitation) or by groundwater level in 5 measured in separate drills. It's proved by channels responses in well-saturated periods. Runoff in measured channels raises up significantly after even very small precipitations of 1,7 mm. All results are suggesting, that total...

The contents and isotopic composition of lead (Pb) were studied in a small forested catchment Lesní potok. The catchment is located 30 km southeast from Prague near Jevany. Monitoring inputs and outputs in GEOMON, a network of small forested catchments in the territory of the Czech Republic, has been coordinated by the Czech Geological Survey since 1994. It was analyzed litter of spruce and beech, collected between 2013 and 2014, and an archival sample litter of spruce from 1997. Lead in soil was studied at two profiles cambisols in each diagnostic horizons. Samples of profile LP 38 were collected in 2005, the LP 39 a year later. Surface water and bulk precipitation were sampled monthly for one hydrological year 2013. The ICP-MS method was used to determine the concentration and isotope ratios of lead. To determine of sources Pb were used isotope ratios 206 Pb/207 Pb and 208 Pb/206 Pb. In spruce litter (3,87 mg.kg-1 ) was measured average Pb concentration higher than beech (0,98 mg.kg-1 ). Topsoil horizons contain elevated concentrations of Pb (up to 100,70 mg.kg-1 ) decreasing towards the deeper horizons. The Pb concentration in the soil was 61,28 mg.kg-1 . Bulk precipitation in with average Pb concentrations206 Pb/207 Pb = 0.87 µg.l-1 contained more Pb than surface water 206 Pb/207 Pb = 0.50 µg.l-1 ....