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Verification of the "Čirá - Kopanina" fault existence using morphostructural analysis and geophysical surveying
Findžová, Leona ; Tábořík, Petr (advisor) ; Kašing, Martin (referee)
This thesis focuses on the verification of the Čirá-Kopanina fault existence using morphostructural analysis and geophysical surveying. The verification of the fault zone was based on the analyses of the digital relief model, river network parameters and selected relief features that indicate tectonic activity with a high probability. Based on these analyses, the fault was identified and subsequently verified using geophysical methods. The searched tectonic line passes through the village of Čirá in the Jindřichovice upland district (Krušné hory Mts), continues east of the village of Kopanina and heads south into the Cheb Basin along the Libocký Brook. The direction of the Čirá-Kopanina fault was determined as approximately north-south (348ř - 168ř) and thus corresponds to the north-south orientation of the hypocentres of the West Bohemian earthquake swarms. The Čirá-Kopanina fault zone could thus be a potential source area for the earthquake swarms at the boundary of the Cheb Basin and the Krušné hory Mts. crystalline complex. However, its activity needs to be verified by a further research. Keywords fault, tectonics, digital elevation model, morphostructural analysis, geophysical surveying, Jindřichovice uplands, Krušné hory Mountains
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Structural tectonic and morphometric characteristics of the Upper Otava river basin
Burkytová, Šárka ; Hartvich, Filip (advisor) ; Stemberk, Jakub (referee)
The thesis deals with the structural-geomorphological characteristics and morphometric analysis of the Upper Otava River basin, located in the Šumava Mountains. The introductory part is focused on the literature search, in which the area of interest is evaluated in terms of physical-geographical characteristics. The review also deals with an overview of methods of structural geomorphological research with a focus on morphostructural analysis of relief. The structural-geomorphological characterization was established by means of a joint analysis of selected sites where the direction of the joint surfaces and their slope were measured. A morpholineament analysis and fault tectonics analysis were also done to define the morphostructures. The individual morphostructures were evaluated using morphometric analysis methods and compared using morphostructure synthesis in terms of their similarities or differences. Finally, the geomorphological evolution in the area of interest was outlined. Keywords Morphostructural analysis, structural measurements, Šumava mountains, morphometry, morpholineaments
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Morphostructural analysis of Ethiopian Highland based on remote sensing
Kusák, Michal ; Vilímek, Vít (advisor) ; Klimeš, Jan (referee) ; Novotný, Ján (referee)
- Morphostructural analysis of Ethiopian Highland based on remote sensing The morphometric analysis of lineaments, valleys and signs of erosion taken from a digital elevation model (DEM) made it possible to not only confirm most of the conclusions of the morphotectonic development of the area from the previously published results of structural, petrological, tectonic and geochronological analyses from the Ethiopian Highlands, but to also to expand our knowledge by applying several new hypotheses. Faults, lineaments and valleys are predominantly oriented in a direction compatible to the published concepts of the tectonic development of the area. Overall, the most abundant NE-SW and NNE-SSW lines reflect a change of extension from a NW-SE to WNW-ESE direction during the Pliocene (~40ř rotation), in relation to the creation and development of the Main Ethiopian Rift. The most pronounced morphological manifestations of the extension of the MER and western Afar during the Quaternary are confined to the borders of the MER, and the maximum SOLR values indicate a very short-lived effect of the stress field on the development of the landscape. The directions of the Pre-Neogene rift structures to the NW-SE and WNW-ESE are compatible with the oldest elements of the current landscape, i.e. the most developed...
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Valley evolution of the Kladská Bělá river
Stemberk, Jakub
The PhD. thesis deals with the morphostructural evolution of the valley network of the Biala Lądecka river, (further refer as BL) during the Late Cenozoic. In this work, the selected methods as geomorphological research (morphostructural analysis, geomorphological mapping), structural-geological research (paleostres analysis) and geophysical survey on selected sites were used, to answer the questions of river basin development and its relationship with predicted tectonic activity within the area, as well as with anticipated or already known paleohydrographic changes. The BL basin is situated within the Rychlebské hory Mts. / Góry Złote (northern and eastern parts of the basin), Králický Sněžník (southern part) and the Krowiarki Mts. (western part) in Poland. The Marginal Sudetic fault zone, which represents one of the most important tectonic zones in the Central Europe, passes in vicinity of the study area as well as the regionally important Bělský fault, which passes directly through the BL basin. The results of the analysis indicate that the BL basin has undergone very complex development due to tectonic movements since Miocene up-to-day. Based on the results of the paleostress analysis, which was performed on the dated volcanites in Lutynia - Lądek Zdrój area, the parameters of the palaostress...
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Valley evolution of the Kladská Bělá river
Stemberk, Jakub ; Štěpančíková, Petra (advisor) ; Migoň, Piotr (referee) ; Adamovič, Jiří (referee)
The PhD. thesis deals with the morphostructural evolution of the valley network of the Biala Lądecka river, (further refer as BL) during the Late Cenozoic. In this work, the selected methods as geomorphological research (morphostructural analysis, geomorphological mapping), structural-geological research (paleostres analysis) and geophysical survey on selected sites were used, to answer the questions of river basin development and its relationship with predicted tectonic activity within the area, as well as with anticipated or already known paleohydrographic changes. The BL basin is situated within the Rychlebské hory Mts. / Góry Złote (northern and eastern parts of the basin), Králický Sněžník (southern part) and the Krowiarki Mts. (western part) in Poland. The Marginal Sudetic fault zone, which represents one of the most important tectonic zones in the Central Europe, passes in vicinity of the study area as well as the regionally important Bělský fault, which passes directly through the BL basin. The results of the analysis indicate that the BL basin has undergone very complex development due to tectonic movements since Miocene up-to-day. Based on the results of the paleostress analysis, which was performed on the dated volcanites in Lutynia - Lądek Zdrój area, the parameters of the palaostress...
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Morphostructural analysis of Ethiopian Highland based on remote sensing
Kusák, Michal ; Vilímek, Vít (advisor) ; Klimeš, Jan (referee) ; Novotný, Ján (referee)
- Morphostructural analysis of Ethiopian Highland based on remote sensing The morphometric analysis of lineaments, valleys and signs of erosion taken from a digital elevation model (DEM) made it possible to not only confirm most of the conclusions of the morphotectonic development of the area from the previously published results of structural, petrological, tectonic and geochronological analyses from the Ethiopian Highlands, but to also to expand our knowledge by applying several new hypotheses. Faults, lineaments and valleys are predominantly oriented in a direction compatible to the published concepts of the tectonic development of the area. Overall, the most abundant NE-SW and NNE-SSW lines reflect a change of extension from a NW-SE to WNW-ESE direction during the Pliocene (~40ř rotation), in relation to the creation and development of the Main Ethiopian Rift. The most pronounced morphological manifestations of the extension of the MER and western Afar during the Quaternary are confined to the borders of the MER, and the maximum SOLR values indicate a very short-lived effect of the stress field on the development of the landscape. The directions of the Pre-Neogene rift structures to the NW-SE and WNW-ESE are compatible with the oldest elements of the current landscape, i.e. the most developed...
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Morphostructural analysis of the Hřibovská hornatina
Stemberk, Jakub ; Štěpančíková, Petra (advisor) ; Roštínský, Pavel (referee)
Morphostructural analysis of the Hřibovská hornatina Mts. This work deals with morphostructure analyses of the Hřibovská hornatina Mts., part of the Rychlebské hory Mts. Northeastern border of the studied area is created by the mountain front slope controlled by the Sudetic Marginal fault, which is one of the most conspicuous tectonic structures in central Europe. This is the main reason why works were focused on the analyses of stream network parameters and spatial distribution of those selected landforms which could potentially indicate recent tectonic activity in the studied area. As a result, supposed courses of faults marked in morphology were suggested. Fault activity assessment was considered on changes in erosion intensity indicated in longitudinal and crosswise profiles of stream valleys. Based on the values of Stream-Length index the areas with recent tectonic activity were delimited. The final output of this work is the morphostructure map of the Hřibovská hornatina Mts. and the adjacent area. Key words: Morphostructural analysis, active tectonics, Sudetic Marginal Fault, Hřibovská hornatina Mts.
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