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Measurement of infiltration in the field using MiniDisk infiltrometer
Vláčilíková, Michaela ; Doležal, Ing Petr (referee) ; Kameníčková, Ivana (advisor)
The diploma thesis deals with measuring of infiltration by MiniDisk method and its evaluation, but also with analysis of intact and grab soil sample, by means of which it is possible to assess the soil quality. The measurements took place on 30.4.2019, 4.5.2019, 12.5.2019, 2.6.2019, 30.6.2019, 2.7.2019, 31.8.2019 and 21.9.2019 on grassland near the town of Luhačovice. Grab and intact soil samples were taken from the upper soil layer and processed in a pedological laboratory. The Zhang method was used to evaluate the infiltration results. The results of soil analyzes and infiltration were processed numerically, plotted and subsequently described and compared.
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Drip irrigation of park area in multifunctional object with rainwater re-use
Kabátek, Stanislav ; Mašíček,, Tomáš (referee) ; Hyánková, Eva (advisor)
The aim of this work is to design an irrigation system of park areas in a multifunctional object using rainwater. The knowledge obtained during the study was used to solve the problem. The solution is an irrigation system consisting of drip irrigation supplemented with a sprinkler irrigation system that uses rainwater for its operation. In the event of excess of rainwater, the water is disposed of by means of infiltration blocks located on the land. The benefit of this work is to show that the return on investment is acceptable in similar cases and, above all, that this investment contributes to responsibility for natural resources.
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Effects of water erosion on selected physical properties of soil
Larišová, Lucie ; Toman,, František (referee) ; Hlavčová,, Kamila (referee) ; Dumbrovský, Miroslav (advisor)
The aim of the dissertation thesis is the assessment of the degradation of selected soil properties due to water erosion, including the temporal dynamics of these properties and the assessment of how this change affects the cumulative infiltration of the soil in watershed. Between 2012 and 2015, undisturbed and disturbed soil samples were collected on three experimental areas and the cumulative infiltration of the soil was measured. Experimental areas were selected on sloping, erosion-endangered blocks of arable land, in three cadastral territories of the Czech Republic, and this in the cadastral areas of Větřkovice, Čejkovice and Hustopeče. The cumulative infiltration was measured in three landscapes positions of the slope and soil samples were collected in three landscapes positions of the slope, at soil crust, topsoil and subsoil. In the Pedological Laboratory at the Institute of Landscape Water Management, Brno University of Technology, the particle density, bulk density, porosity, soil texture and water stable aggregates were determined from the samples taken. The cumulative infiltration of the soil was measured using the Double Ring Infiltrometer, the Mini Disc Infiltrometer and the mobile rainfall simulator. Using one-way analysis of variance to analyze the differences among soil samples and infiltration test. In addition, the dependence of soil crust formation, its physical properties and its influence on the cumulative infiltration of the soil were monitored on the areas.
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Assessment health/quality of the soil near the village Bohaté Málkovice
Suchá, Kateřina ; Doležal, Petr (referee) ; Kameníčková, Ivana (advisor)
Diploma thesis evaluates quality and healthiness of the soil health located close to Bohate Malkovice focusing on changes in both physical and chemical characteristics of the soil in time. The theoretical part describes physical, chemical, and biological parameters of the soil. Selected physical parameters are structure, texture, determination of measured weight, bulk density of the soil, porosity, actual volumetric water content of the soil, aeration, saturated and unsaturated hydraulic conductivity, infiltration, and colour. Chosen chemical parameters are pH, carbonates, soil electrical conductivity, and humus content. Picked biological parameters are microbial biomass, respiration, nitrogen content, and weed infestation. The practical part analyses selected indicators of quality of the soil from the location of the experiment close to Bohate Malkovice. The area under evaluation has been treated using reduced tillage for long term. The practical part is based on the laboratory examination of disturbed and undisturbed soil samples taken between years 2016 and 2018. Based on outcome results we can evaluate the quality of the soil considering plants growth, development, and soil fertility.
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Variability of hydropedological characteristics of soil type in the catchment of Tetřívčí brook
Kozáková, Jana ; Kliment, Zdeněk (advisor) ; Šefrna, Luděk (referee)
This thesis deals with the evaluation of hydrological properties variability of soils in forest catchment Tetřívčí brook in the source area Blanice based on selected hydropedological characteristics with respect to soil type, vegetation cover and character of slope. The selected hydropedological characteristics are maximum capillary water capacity, full water capacity, soil infiltration capability - infiltration rate and cumulative infiltration and retention potential of soils. In sum of seven soil subtypes found in forest (coniferous, deciduous and mixed) and meadow (cut and non-maintained) and on the different slope (three categories) were studied in the catchment area. This thesis is built on bachelor thesis, which dealt with the variability of hydropedological characteristics in the experimental pair comparison basins of Tetřívčí and Zbytinský brook. In the thesis were used mainly the measured data obtained from repeated field campaigns in pre- selected sites and data from the database of experimental catchments of Zbytiny. In the selected sites were made soil probes, soil samples were taken using Kopecky cylinders and infiltration measured by a single-cylinder infiltrometer. By laboratory determination and calculation, selected hydropedological characteristics were obtained. The results were...
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Ways of rain water disposal or reuse in the newly built production compound near the Hodejice village
Kabátek, Stanislav ; Menšík, Pavel (referee) ; Hyánková, Eva (advisor)
The task of this work is to solve rainwater management, which will be captured on the roof and on the paved areas due to the planned construction of the production factory in Hodějice village. Outflow of rainwater could glut culvert beneath railway line. Resolving rainwater management is a prerequisite for obtaining a building permit. The solution is a system of infiltration blocks with controlled drainage, which ensures the retention and not-increasing of the original rain outflow from the land. For solution manual calculation according to ČSN 75 9010 and the application from the ASIO manufacturer is used. The benefit of this work is the design of a system for automatic irrigation of vegetation on land and a system for eventual maintenance and washing of technical equipment. This will use the rainwater that would otherwise outflow meaningfully.
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Determination of hydraulic characteristics of soil in a selected area
Salač, Jan ; Doležal, Petr (referee) ; Kameníčková, Ivana (advisor)
The diploma thesis is focused on issues of measurement and evaluation of hydraulic characteristics of soil. In the literary research, the definitions of hydraulic conductivity and retention curve of soil moisture, their measurements in laboratory and field conditions and the prediction of these characteristics by using of pedotransfer functions. In the practical part of the diploma thesis, an evaluation of the hydraulic conductivity of soil from the experimental areas near the village Bohaté Málkovice. Two-cylindrical and mini-disc infiltration meters were used for field measurements, and a constant-gradient permeameter was used in the laboratory. Physical and empirical equations were used to evaluate the hydraulic conductivity. The results were processed numerically, tabulated and then compared.
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Residential rooms and air quality
Valkovič, Michal ; Blasinski, Petr (referee) ; Uher, Pavel (advisor)
The master thesis solves indoor air quality in hotel rooms based on CO2 levels. The first part deals with indoor climate of buildings, where each form of indoor climate is described separately. The experimental part deals with CO2 level measurement in residual room, air infiltration through window and their analysis. The last part of thesis deals with results of the experiment, which are used to design and optimize hygienic ventilation, based on acquisition costs and operating expenses.
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Heating of the kindergarten
Matůšů, Ondřej ; Komínek, Petr (referee) ; Počinková, Marcela (advisor)
This bachelor's thesis theme is about airflow ways of gas boilers described in the theoretical first part. The second part contains heating process of a kindergarten. Object is two-storeyed and newly reconstructed. Capacity of this object can contain 100 children placed into four classes. Heat source for this object is set of two gas condensing boilers. In this object are used panel radiators covered by wooden frames. In the object is partly used flow-through ventilation operated by ventilating units.
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