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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Application of electrical resistivity tomography technique to detect underground cavities
 Kučera, Radek ; Hartvich, Filip (advisor) ; Široký, Jakub (referee)
The electrical resistivity tomography (ERT) method is widely used to detect underground cavities because their air, water or clay infill often has a significant geoelectrical contrast to the surrounding rock. The review part of this study summarizes properties of the method and presents examples of investigation of underground cavities in various geological settings, mainly the crevice-type and karst caves and old mining objects. The case study from the Amatérská cave in the Moravian Karst proved the ability of the technique to detect air and clay filled underground cavities above the depth of 40 m. The resolution of the method is lower at greater depths but some indication of deeply situated Pustožlebská Zazděná and Amatérská caves was captured. Keywords: ERT, underground cavities, caves, Moravian Karst
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Modelling of subterranean features in GIS: case study of Amerika quarries
 Kutišová, Tereza ; Lysák, Jakub (advisor) ; Jaroš, Jakub (referee)
Modelling of subterranean features in GIS: case study of Amerika quarries Abstract Goal of this bachelor thesis is to create description of modelling methodology of subterranean features by using geoinformation systems. Modeling concerns locations of quarries called Amerika in Český kras. There is system of mine drifts and adits, which is relict of limestone mining in this area. Main task in the work was to creat 3D model of underground drifts and tunnels. During the creation were collected data about this location, those were described in detail, and evaluated for suitability in model creation. Created model was used in another output: Thematic map, which is describing state of surface and subsurface at the same time. Key words: subterranean features, 3D GIS, modelling, Amerika quarries (Czech Karst)
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