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Scope and impact of floods in the river basin Polečnice
MAXA, Václav
The preparation of the bachelor thesis includes the collection of information on the issue, especially the theoretical part focuses on the study of legislation and the use of Internet resources. The aim of the author in the theoretical part is to explain important concepts in the field of flood and related topics. The individual chapters focus, for example, on the flow of the Polečnice river, types of floods in our country, levels of flood activity, legislation in the field of floods, as well as preparations for floods and warning the population. The practical part contains a description of the Český Krumlov district and the floodplain of the Polečnice river, then the two biggest modern floods in our country are described, namely the devastating floods of 2002 and 2013. Furthermore, the modification of the riverbed of the Polečnice river, which served to create the necessary flood protection measures on the Polečnice river. And last but not least, a questionnaire survey. In the questionnaire survey 100 sheets with 12 questions were evaluated. The questions focused on the general overview of the citizens of Český Krumlov about the flood issue and their awareness of situations caused by floods, such as protection of health, lives and property, related warnings to the population and their evacuation. And whether they are aware of the threat of danger from the Polečnice river, which at first glance may not seem dangerous at all. The evaluated data indicate that the inhabitants of Český Krumlov rather underestimate the risk of floods in the town of Český Krumlov. Some inhabitants do not even know that partial flood protection measures have been carried out on the Polečnice in the recent past. The only positive thing I see is that nowadays, thanks to the technology we have, citizens have the opportunity to get information about the situation quickly and thus be better and more quickly prepared for a possible emergency.
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