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Article

Minimum Residual Flows for Catchments in the Czech Republic

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T. G. Masaryk Water Research Institute, Podbabská 2582/30, 160 00 Praha, Czech Republic
2
Faculty of Environmental Sciences, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Praha, Czech Republic
*
Author to whom correspondence should be addressed.
Academic Editor: David Dunkerley
Water 2021, 13(5), 689; https://doi.org/10.3390/w13050689
Received: 22 January 2021 / Revised: 23 February 2021 / Accepted: 24 February 2021 / Published: 3 March 2021
(This article belongs to the Section Water Resources Management, Policy and Governance)
The determination of minimum residual flow (MRF) follows diverse methodology in Europe due to differing hydrological conditions, ecosystem requirements, water abstraction requirements, and legislation. Methodologies in individual countries are difficult to compare qualitatively. However, individual approaches can serve as examples for countries undergoing the process of developing new methodologies, either for legislative purposes or to improve environmental standards on watercourses. This is exactly the situation in the Czech Republic which, has been working on the Regulation of the Government of the Czech Republic for ten years, since the amendment to the Water Act in 2010, defines the methods and criteria for determining the MRF on watercourses. T.G. Masaryk Water Research Institute, p.r.i., was commissioned to develop a new methodology to serve as the basis for the wording of aforementioned regulation. The new methodological approach took into account modern trends concerning the preservation of ecological standards, and used standard hydrological characteristics for its calculations. The newly proposed approach is undergoing a complicated approval process as the authors seek to increase the MRF compared to the current approach. The new approach assumes an MRF setting between Q97 and Q90. It defines four areas within the Czech Republic, by their hydrological and hydrogeological conditions, where the MRF is determined in different ways. This article describes the development of a new methodological approach, including the use the available Czech Hydrometeorological Institute data sets, the proposed regional division for MRF calculations, the determination the MRF below reservoirs, and the current state of the issue. View Full-Text
Keywords: residual flow; environmental flow; new methodology; regionalization; seasonality of MRF residual flow; environmental flow; new methodology; regionalization; seasonality of MRF
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MDPI and ACS Style

Balvín, P.; Vizina, A.; Nesládková, M.; Blöcher, J.; Makovcová, M.; Moravec, V.; Hanel, M. Minimum Residual Flows for Catchments in the Czech Republic. Water 2021, 13, 689. https://doi.org/10.3390/w13050689

AMA Style

Balvín P, Vizina A, Nesládková M, Blöcher J, Makovcová M, Moravec V, Hanel M. Minimum Residual Flows for Catchments in the Czech Republic. Water. 2021; 13(5):689. https://doi.org/10.3390/w13050689

Chicago/Turabian Style

Balvín, Pavel, Adam Vizina, Magdalena Nesládková, Johanna Blöcher, Marcela Makovcová, Vojtěch Moravec, and Martin Hanel. 2021. "Minimum Residual Flows for Catchments in the Czech Republic" Water 13, no. 5: 689. https://doi.org/10.3390/w13050689

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