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Near natural flood protection measures in the landscape
Pergl, Michal ; Matoušková, Milada (advisor) ; Kujanová, Kateřina (referee)
Floods are dangerous natural phenomenon that can threaten human lives and cause damage to property. Near natural flood protection and water retention in the landscape is an appropriate combination of flood protection and improvement of the ecological value of the area. The most used near natural measures have been tested in practice by meta-analysis of articles available in electronic and printed form and through case studies. The case study focuses on the creation of an appropriate near natural flood protection measures in the middle part of the river basin of Berounka in the CHKO Křivoklátsko. The main finding of the meta-analysis is a substantial alteration of the height of the flood wave and the flow rate by natural measures for small and medium-sized floods and minimal at extreme hundred-year floods. Case study identifies areas supporting natural retention in the floodplain of the river Berounka. Retention area in the CHKO Křivoklátsko could have a positive influence on the effects of small and flash floods in the lower part of the river Berounka. Near natural flood protection measures in the Czech Republic are currently only at the beginning to become promoted. In the future, it could play an important role not only in terms of protection against floods, but even against the drought.

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