National Repository of Grey Literature 57 records found  previous11 - 20nextend  jump to record: Search took 0.00 seconds. 
Monitoring of the spread of pollution on the physical model of the watercourse
Marek, Ondřej ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
On the built physical model of the watercourse, a bachelor's thesis is looking for a suitable substance that would allow simulating and monitoring the pollution transport by the method of electrical impedance spectrometry. Physical model based on the similarity of physical phenomena allowed the application of tracers and measurement of their concentration in selected flow profiles at a defined flow. The measurements were made by measuring apparatus made by the solution of the international project E! 7614 applied research in the EUREKA program as part of its sustainability.
Flood control measures in the Salašský potok basin
Stolářová, Alena ; Doležal, Petr (referee) ; Starý, Miloš (advisor)
This thesis deals with the addition of flood protection measures in the Salašský potok basin. Working closely related to the previous bachelor thesis on Flood protection in the Salašský potok basin. Detail deal with left tributary Salašky - Modranský potok -which runs through the town Modrá, to be occupied by 6 small cascade of water reservoirs. The work is divided into two parts. The first part describes the actual parameters of the tanks and their assessment of the possible spill-over and is solved their overall transformational effect in the basin. In the second part of the thesis dealt with the tank as a semi tank in response to N-leté water and searched their design parameters.
The Morava River and its influence on the development of the town of Uherské Hradiště
Hlaváčková, Kateřina ; Tichý, Jan (referee) ; Pavlovský, Tomáš (advisor)
This bachelor's thesis maps the development of the Morava river and the origin and development of the town of Uherské Hradiště. It also deals with the regulation of the river and the development of parts of the city that arose after the regulation. There are also described floods on the Morava river and Olšava and then also the flood of 1997, which hit Uherské Hradiště. Related to this is the subsequent description of flood control measures. The last chapter suggests how the river can be connected with the city today.
Flood control measures in the Loučka Catchment
Hadaš, Zdeněk ; Marton, Daniel (referee) ; Starý, Miloš (advisor)
This thesis deals with the river basin flood protection Loučka. The aim to assess the need tu supplement flood control measures in the watershed. The first half deals with exploration of river basin, providing geographic factors and obtaining information on the topic. The second part deals with the establishment and application of rainfall model to solve the problem. For schematisation basin was used ArcGIS program. Rainfall simulation process were calculated critical duration of rainfall intensity and spare set of N-year flows. It was by searching for critical points and assessed for possible overflow.
Design of micro hydro power plant
Pušec, Daniel ; Radil, Lukáš (referee) ; Matoušek, Antonín (advisor)
Hydropower, in large or small scale, is by far the most important source of renewable energy worldwide. It provides about 19% of world’s elektricity. Small hydropower plants are one of the most cost-effective and enviroment benign technology. Currently installed capacity in Europe is about 180GW (exluding pumped storage plants), but it is covered by nearly 90% by large scale hydrpower plants. In Czech republic, about 3% of all produced elektricity is covered by hydrpower plants, exactly about 2,400 GWh anually. Nowadays, it is already exploited nearly 2/3 of all technically available hydro potential for small, mini and microhydro power plants in Czech republic. Unexploited is about 30%, it correspondents to 600 GWh annually. This thesis follows-up with design of micro hydropower plant, which includes choosing of suitable place for the plant and design its hydroenergetic solution.
Water management study at the upper part of the Štinkovka stream
Svoboda, Vojtěch ; Vrba, Jan (referee) ; Veselý, Jaroslav (advisor)
The diploma thesis deals with the study of water management in the upper part of the Štinkovka river basin based on water management analysis. In the past, there was water in the area that is currently lost. Therefore, a terrain reconnaissance was carried out in the thesis to identify problematic areas and to collect samples for laboratory analysis, which were used for sediment studies. Since 2017, water level monitoring has been carried out using an ultrasonic sensor. Measures are proposed to increase water retention in the landscape. The possibility of sports and recreational boating on the Přední rybník pond with a connection to a cycle path and increase public interest in the area are evaluated.
Flood control measures in the Březnice Catchment
Zárubová, Kamila ; Menšík, Pavel (referee) ; Starý, Miloš (advisor)
This bachelor’s thesis deals with the flood control measures in the basin Březnice. This mainly concerns the assessment of flow rates. The work is divided into two parts: A description basin and data processing in programs ArcGIS and Hydrog. Description of the basin is the description of geographic factors, personal acquaintance with the river, and residents of surrounding villages bordering the stream. Subsequently the river will be process and scheme in program ArcGIS - the catchment area will be divided into partial hanging areas with which it will be worked next. The outputs obtained in this step are used for data processing in the Hydrog program. The intensity of rainfall and the N-year flows will be also calculated . In the end flow rates obtained from the program Hydrog will be compared with the real flow.
Importance of environmental elements (water environment and greenery) in urbanized areas of the Czech Republic
HAVRÁNKOVÁ, Lucie
The aim of the dissertation is to provide an analytical comparison of the effectiveness of using of the environmental potential of watercourses and greenery in urbanized areas/cities of the Czech Republic (ČR). The work is divided into a part of physical-geographical and sociological assessment and research. The physical-geographical analysis will provide the results of watercourse use in the city using the Urban River Sustainability Index (URSI) and watercourse availability analysis. In the area of eva-luation of cities in terms of greenery, the results are obtained through the calculation of the Indicator of the General Quality of Greenery in Cities (IOKZM) based on the Coefficient of Ecological Stability (KES) and the evaluation of the share of greenery in cities. Sociological research provides the user's opinion on the positive environmental contribution of the watercourse in specific urbanized areas, based on the results of quantitative and qualitative research. This section is statistically evaluated using logistic regression (LR) and multivariate correspondence analysis (CA). The overall results of the work create an overal image of the importance of environmental elements (water environment and greenery) in urbanized areas of the Czech Republic. They draw attention to the current state of Czech cities and suggest possible improving solutions not only for their changing climatic situation.
Zhodnocení účinnosti srážení fosforu na přítoku do nádrže Plumlov
Košťálová, Alena
This bachelor's thesis on the topic "Evaluation of the efficiency of phosphorus reduction at the inflow to the Plumlov reservoir" is processed as a literature and research with subsequent processing of the results obtained from field measurements. In the first part, it focuses on introducing the reader to the issue of eutrophication, water pollution or how works and what affects the chemistry of water. In the practical part, it deals with the issue of phosphorus precipitation in water flow. This system is implemented by Povodí Moravy, s.p. and the task of the work was to regularly monitor for one calendar year the development of the phosphorus content, during its constant precipitation. The results of the measurements were shown graphically, and illustrative maps are also attached, giving the reader a closer look at the location of the water course within the Czech Republic.
Změny kvality vody v toku vlivem přítoku odpadů z koňské farmy
Khainová, Barbora
The bachelor thesis focuses on monitoring changes in the quality of the Všeminka stream due to the impact of waste inflow from the Všemina Horse Ranch. A total of six sampling sites were identified and located along the length of the stream so that the first location was above the ranch and the last was below the Všemina reservoir. Sampling was conducted four times over a thirteen-month period during the growing season. During the sampling events, pH, dissolved oxygen concentration, conductivity, water temperature, and, for the reservoir, water transparency was determined on site. The samples were immediately taken for evaluation to the laboratory of the Department of Fisheries and Hydrobiology at Mendel University in Brno. Physico-chemical parameters such as total nitrogen, ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, total phosphorus, orthophosphates, total iron, chemical oxygen demand by dichromate, biochemical oxygen demand-five-day, acid neutralization capacity, calcium and chloride were selected for subsequent analysis. The objective was to determine if the ranch has an effect on water quality in the stream or the Všemina Reservoir. The resulting values from the laboratory analysis were evaluated according to the standard CSN 75 7221 used to classify the quality of surface waters as well as according to Government Regulation 401/2015, whether the quality of the water meets the requirements for general water use, for salmon and carp waters. Furthermore, it was compared with similar research works on the given topic of the influence of horse breeding on water quality.

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