Persons at SUA
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Basic information about a final thesis
Type of thesis:
|Analysis of Rainfall - Runoff Processes Using GIS|
|Written by (author):||Ing. Soňa Drabiščáková|
|Ing. Karol Šinka, PhD.|
Ing. Katarína Pecháčová, PhD.
|Final thesis progress:||Final thesis was successfully defended.|
Additional informationAdditional information about the final thesis follows. Click on the language link to display the information in the desired language.
|Language of final thesis:|
|Title of the thesis:|
Analysis of Rainfall - Runoff Processes Using GIS
|Summary:||The main theme of our diploma thesis was the issue of defining soil degradation in the treated area, which was the village of Hrnčiarska Ves. The aim of the thesis was to analyze precipitation-drainage processes using geographic information systems in the affected village, consisting of two cadastral territories, namely Mondays and Big Suchey. The basis for the processing was a field survey, a survey and analysis of degraded phenomena. The work is focused on calculating the volume of surface (direct) runoff using the drainage curve method, ie using the CN method based on the hydrological characteristics of the area. After a detailed overview of the state of the problem solved, in order to achieve the main objective, we have to thoroughly evaluate the characteristics of the solved territory, namely: hydrological characteristics of the soil, which we defined through the main soil unit - HPJ in the seven local coding of the boned soil-ecological units - BPEJ. Using the maps of the current landscape structure, we have identified the elements of soil use. Because of the absence of spatial information, we did not take into account the soil cultivation and the quality of the soil cover in our calculations. By spatial synthesis of hydrological characteristics of soils, including their utilization, we obtained CN values at the level of defined contributing areas, ranging from 55 to 88. By applying CN values we processed the following characteristics, namely calculating the potential retention, height and volume of the surface (direct) runoff in the GIS environment. As a result of this work, the map outputs are spatially delimiting the area threatened with surface and concentrated surface drainage. Based on a field survey, we have made photodocumentation of the damaged areas, which show that the topography of the relief, the slope of the terrain, and especially the right way to manage the soil we can most significantly influence, contribute most to the surface discharge and water erosion. The results achieved by us can be used as a basis for the design of anti-flood and flood control measures in the locality under consideration.|
water, degradation, precipitation-runoff process, geographic information systems, surface runoff volume
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