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Analysis of the landslide area on the Odlezelské lake
Sachr, David ; Jerman, Jan (advisor) ; Roháč, Jakub (referee)
This thesis deals with the analysis of landslide areas in the vicinity of Odlezelské Lake, which is located in the western Limnic Permocarboniferous basin of the Žihel Basin. In this area, slope movements are not a frequent natural phenomenon. In the Czech Republic, this is the only slope deformation that has created a 'landslide lake' due to the damming of the Mladotický stream, which flows through this area. The geological conditions play a fundamental role here - the overlying strata consist mainly of arkosic sandstones, sandstones and siltstones. Layers of clay or claystone lie 20-30 metres below the ground surface and the average slope of the layers in the area is 10ř to the north-west, very close to the average slope in the landslides studied. An engineering geological analysis of the landslide areas in the area of Lake Odlezel was carried out. The area was depicted using LiDAR and DMR 5G in QGIS software and thus new morphological maps of the landslide areas were created. Data from the ČÚZK and 48 years old geomorphological maps, which were mapped by Prof. Janský, were used as a basis. Furthermore, a supplementary field survey was carried out, on the basis of which, in combination with LiDAR analysis, the contours of slope deformations of the previous authors were refined. Furthermore,...
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