Water Retention in a Small Agricultural Catchment and its Potential Improvement by Design of Water Reservoirs – A Case Study of the Bílý Potok Catchment (Czechia)

Doležal Petr (), Konečná Jana (), Karásek Petr (), Podhrázská Jana () and Pochop Michal ()
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Doležal Petr: Agroprojekt PSO, s.r.o., Slavíčkova 840/1b, 638 00Brno, Czech Republic
Konečná Jana: Research Institute for Soil and Water Conservation, Department of Land Use Planning, Lidická 25/27, 602 00Brno, Czech Republic
Karásek Petr: Research Institute for Soil and Water Conservation, Department of Land Use Planning, Lidická 25/27, 602 00Brno, Czech Republic
Podhrázská Jana: Research Institute for Soil and Water Conservation, Department of Land Use Planning, Lidická 25/27, 602 00Brno, Czech Republic
Pochop Michal: Research Institute for Soil and Water Conservation, Department of Land Use Planning, Lidická 25/27, 602 00Brno, Czech Republic

European Countryside, 2018, vol. 10, issue 1, 1-22

Abstract: Water retention in the landscape is discussed in the context of conservation and improvement of both its productive and non-productive functions. We analysed the retention potential of a small agricultural catchment associated with the Bílý potok brook, investigating the possibility to improve its retention capacity and slow down the surface runoff, thus increasing the underground water resources. Method of curve numbers was used for that purposes. From results, it emerged that present maximum water retention in the Bílý potok catchment is 96.2 mm. It could increase by 101.3 mm in case of grassing about 20% arable land threatened by soil erosion. As next possibility to retain water from precipitations in landscape, capacity and transformation effect of reservoirs designed in master plans was analysed. The latest programming tools working in the GIS environment were used to assess the retention capacity of both the catchment surface and the reservoirs. Analysing master plans in the catchment, it was found that 16 designed water reservoirs (from 31) have a good potential to intercept water and transform flood discharges. In the result, priority for building of reservoirs was recommended according to their pertinence and efficiency in the studied catchment. Presented complex approach can be widely implemented, especially for better effectivity and cohesion of landscape planning and land consolidations processes.

Keywords: Retention reservoirs; land development plan; water retention; drought; floods (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:eurcou:v:10:y:2018:i:1:p:1-22:n:1

DOI: 10.2478/euco-2018-0001

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