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Morphology of valley networks
Kusák, Michal ; Křížek, Marek (advisor) ; Hartvich, Filip (referee)
This bachelor thesis is engaged in the juxtaposition and different methods account of valley networks. Thanks to the background research of the late published literature, there are known a lot of types of valley network, which result in various types of relief and the criteria by which can the different types of valley networks be identified and distinguished from other types of valley networks. Methods of characterizing the valley networks are used to describe the valley of the same type of networks in different areas, respectively allow their comparison. In the interested area of CHKO Kokořínsko, there were studied the valley network order, the type of the valley network, the bifurcation ratio, connected of valley network, the fractal dimension, the valley network homogenity and the allometry of the valley of some parts. Valley networks in the studied areas of Pšovka and Liběchovka were identified as trellis and valley network of studied area of Vlhošt was described as a radial type of valley network with elements of annular valley network.
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Morphometric variability of selected types of valley networks
Albert, Daniel ; Křížek, Marek (advisor) ; Hartvich, Filip (referee)
The bachelor thesis is engaged in morphometric characteristics used for valley nets analysis and comparing values of this characteristics for individual types of valley networks. Based on the search of the books and articles there was created a summary of morphometric characteristics and then, for compare purposes, there were selected these features: weighted bifurcation ratio, mean length ratio, drainage density, drainage texture, form factor and circularity ratio. These features were calculated for real types of valley networks in different parts of the world. The data were obtained from vectorization of these nets in ArcGIS programme. In conclusion there are results confronted with morphometric analysis of selected types of valley networks in Czech republic. Key words: valley, valley network, types of valley nets, geomorphometry, morphometric analysis, morphometric charasteristics, bifuraciton ratio, lenght ratio, drainage density, drainage texture, form factor, circularity ratio
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Morphometric variability of selected types of valley networks
Albert, Daniel ; Křížek, Marek (advisor) ; Hartvich, Filip (referee)
The bachelor thesis is engaged in morphometric characteristics used for valley nets analysis and comparing values of this characteristics for individual types of valley networks. Based on the search of the books and articles there was created a summary of morphometric characteristics and then, for compare purposes, there were selected these features: weighted bifurcation ratio, mean length ratio, drainage density, drainage texture, form factor and circularity ratio. These features were calculated for real types of valley networks in different parts of the world. The data were obtained from vectorization of these nets in ArcGIS programme. In conclusion there are results confronted with morphometric analysis of selected types of valley networks in Czech republic. Key words: valley, valley network, types of valley nets, geomorphometry, morphometric analysis, morphometric charasteristics, bifuraciton ratio, lenght ratio, drainage density, drainage texture, form factor, circularity ratio
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Morphology of valley networks
Kusák, Michal ; Křížek, Marek (advisor) ; Hartvich, Filip (referee)
This bachelor thesis is engaged in the juxtaposition and different methods account of valley networks. Thanks to the background research of the late published literature, there are known a lot of types of valley network, which result in various types of relief and the criteria by which can the different types of valley networks be identified and distinguished from other types of valley networks. Methods of characterizing the valley networks are used to describe the valley of the same type of networks in different areas, respectively allow their comparison. In the interested area of CHKO Kokořínsko, there were studied the valley network order, the type of the valley network, the bifurcation ratio, connected of valley network, the fractal dimension, the valley network homogenity and the allometry of the valley of some parts. Valley networks in the studied areas of Pšovka and Liběchovka were identified as trellis and valley network of studied area of Vlhošt was described as a radial type of valley network with elements of annular valley network.
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