Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)

Abstract The paper evaluates the impact of river training works designed to address problems associated with flooding on the braided-wandering Belá River in Slovakian Carpathians. This impact was investigated after the flood event in July 2018 on 11 river reaches where the river engineering and mana...

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Autores principales:	Anna Kidová, Artur Radecki-Pawlik, Miloš Rusnák, Karol Plesiński
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a6a43c45f1624e0bb6bc30e09b47ef3d
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spelling	oai:doaj.org-article:a6a43c45f1624e0bb6bc30e09b47ef3d2021-12-02T16:30:24ZHydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)10.1038/s41598-021-85805-22045-2322https://doaj.org/article/a6a43c45f1624e0bb6bc30e09b47ef3d2021-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-85805-2https://doaj.org/toc/2045-2322Abstract The paper evaluates the impact of river training works designed to address problems associated with flooding on the braided-wandering Belá River in Slovakian Carpathians. This impact was investigated after the flood event in July 2018 on 11 river reaches where the river engineering and management intervention was applied. We analyzed its impact by spatio-temporal variations in river morphology (12 channel parameters) and changes in cross-section and hydraulic parameters (flow velocity, shear stress, stream power, W/D ratio) between pre- and post-flood management periods. The research hypotheses related to decreasing geodiversity in managed river reaches, a rapid increase in flow velocity during an extreme flood in river reaches where there is no sufficient floodplain inundation due to artificially high banks built by river training works, and increasing erosive force in the channel zone thanks to river management intervention were confirmed. The intervention in the braidplain area of the Belá River resulted in an undesirable simplification of the river pattern, loss of geomorphic diversity, loss of channel–floodplain connectivity, and disturbance and restraint of hydromorphological continuity. Identification of main conflicts of the Belá River management is important for clarifying the different approaches of stakeholders in the study area and aims to provide an objective illustration of their consequences. The presented analyses could help in future management issues as well as in the more critical decision-making process in vulnerable and rare braided river systems on the present when we are losing so many natural rivers by human decisions.Anna KidováArtur Radecki-PawlikMiloš RusnákKarol PlesińskiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-18 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Anna Kidová Artur Radecki-Pawlik Miloš Rusnák Karol Plesiński Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
description	Abstract The paper evaluates the impact of river training works designed to address problems associated with flooding on the braided-wandering Belá River in Slovakian Carpathians. This impact was investigated after the flood event in July 2018 on 11 river reaches where the river engineering and management intervention was applied. We analyzed its impact by spatio-temporal variations in river morphology (12 channel parameters) and changes in cross-section and hydraulic parameters (flow velocity, shear stress, stream power, W/D ratio) between pre- and post-flood management periods. The research hypotheses related to decreasing geodiversity in managed river reaches, a rapid increase in flow velocity during an extreme flood in river reaches where there is no sufficient floodplain inundation due to artificially high banks built by river training works, and increasing erosive force in the channel zone thanks to river management intervention were confirmed. The intervention in the braidplain area of the Belá River resulted in an undesirable simplification of the river pattern, loss of geomorphic diversity, loss of channel–floodplain connectivity, and disturbance and restraint of hydromorphological continuity. Identification of main conflicts of the Belá River management is important for clarifying the different approaches of stakeholders in the study area and aims to provide an objective illustration of their consequences. The presented analyses could help in future management issues as well as in the more critical decision-making process in vulnerable and rare braided river systems on the present when we are losing so many natural rivers by human decisions.
format	article
author	Anna Kidová Artur Radecki-Pawlik Miloš Rusnák Karol Plesiński
author_facet	Anna Kidová Artur Radecki-Pawlik Miloš Rusnák Karol Plesiński
author_sort	Anna Kidová
title	Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
title_short	Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
title_full	Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
title_fullStr	Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
title_full_unstemmed	Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)
title_sort	hydromorphological evaluation of the river training impact on a multi-thread river system (belá river, carpathians, slovakia)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a6a43c45f1624e0bb6bc30e09b47ef3d
work_keys_str_mv	AT annakidova hydromorphologicalevaluationoftherivertrainingimpactonamultithreadriversystembelarivercarpathiansslovakia AT arturradeckipawlik hydromorphologicalevaluationoftherivertrainingimpactonamultithreadriversystembelarivercarpathiansslovakia AT milosrusnak hydromorphologicalevaluationoftherivertrainingimpactonamultithreadriversystembelarivercarpathiansslovakia AT karolplesinski hydromorphologicalevaluationoftherivertrainingimpactonamultithreadriversystembelarivercarpathiansslovakia
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Hydromorphological evaluation of the river training impact on a multi-thread river system (Belá River, Carpathians, Slovakia)

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