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Tracing and surveying of accidental changes of the river bed of Ostřice.
KUBÁT, Michal
The work is focused on monitoring and detail survey of eventual changes in Ostřice river bed in Horní Planá cadastre area. It was done in two phases in different seasons. The work objective is to outline and secure position of cross sections on the sides of the river polygon, followed by their survey. The work consists of two sections {--} theoretical and practical. The theoretical section first explains establishment of a dot field by geodetic points. This is followed by description of a detail dot field, requirements for the individual points, methods of their survey, detail mapping of these points as well as establishment of water stream lengthwise sections and cross sections. The practical part includes characteristics of the surveyed location. In addition there is description of preparatory work, necessary for land survey and the survey itself, using both existing and newly established points of the dot field. At the end there is explanation of auxiliary and detail points calculation and method of their graphic processing. The conclusion includes assessment of changes between April and August surveys of the subject territory.

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