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INTEGRATION OF EROSION CONTROL MEASURES AND TECHNICAL MEASURES TO PROVIDE EFFECTIVE FLOOD RISK REDUCTION FOR SMALL WATERSHEDS
Abstract
The article examines the effectiveness of measures to reduce flood risk in small watersheds in the Czech Republic. Currently, there is a search for integrated approaches that combine cost-effective erosion control measures (ECMs), in the form of organizational and agrotechnical changes, with more expensive technical measures (TMs) in the form of infiltration trenches and dry reservoirs. To achieve this goal, the critical drainage profile of a small village in the Olomouc region, at the interface between rural and urban areas, was studied. The study utilized a combination of ECMs and TMs to reduce the flood risk. The results were evaluated using the DesQ-MaxQ hydrological model and the TRANSFORM_WAVE simulation model. The synergistic integration of inexpensive ECMs with more expensive TMs led to significant reductions in peak flows, confirming their key role in enhancing flood resilience. The study showed that the standalone use of a single type of measure may not be sufficient for provide flood protection. The findings underscore the need for a comprehensive approach to address flood risk in various geographic and environmental conditions. In the future, it will be essential to consider the unique challenges and characteristics of individual locations and tailor strategies to each of their specific needs. It is also important to carefully consider the cost of TMs compared to cheaper ECMs. Such an approach can contribute to the development of sustainable and effective measures for flood protection.
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Standard: CSN 75 2410 Male vodni nadrze, 2011
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