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Effect of aquatic vegetation on Manning´s roughness coefficient value – Case study at the Šúrsky channel

In: Acta Hydrologica Slovaca, vol. 21, no. 1
Radoslav Schügerl - Yvetta Velísková - Valentín Sočuvka - Renáta Dulovičová

Details:

Year, pages: 2020, 123 - 129
Language: eng
Keywords:
aquatic vegetation, water-level, discharge, Manning´s roughness coefficient
Original source URL: http://www.ih.sav.sk/ah
About article:
Vegetation growing in the water along watercourses has been the subject of several studies since it was recognized that it could have a significant impact on the water flowIncreased bed roughness caused by aquatic vegetation is a very often phenomenon in case of flow in natural open channel during the growing season. Vegetation impedes the water flow and may increase flood risks. Thus, determining the effect of aquatic vegetation on flow conditions in streams is very important for estimation of hydrodynamics in natural streams. Occurance of aquatic vegetation is more often in case of lowland streams. The purpose of this paper is to investigate and determine how aquatic vegetation influences flow resistance, water depth and discharge in the Šúrsky channel at the Podunajská lowland area. Measurements performed during three various times of year 2019 at this stream were used for an evaluation of vegetation impact on flow conditions in this stream. The Manning´s coefficient was used as one way of quantifying this impact. The results show variation of this parameter during the winter and summer season.
How to cite:
ISO 690:
Schügerl, R., Velísková, Y., Sočuvka, V., Dulovičová, R. 2020. Effect of aquatic vegetation on Manning´s roughness coefficient value – Case study at the Šúrsky channel. In Acta Hydrologica Slovaca, vol. 21, no.1, pp. 123-129. 2644-4690. DOI: https://doi.org/10.31577/ahs-2020-0021.01.0015

APA:
Schügerl, R., Velísková, Y., Sočuvka, V., Dulovičová, R. (2020). Effect of aquatic vegetation on Manning´s roughness coefficient value – Case study at the Šúrsky channel. Acta Hydrologica Slovaca, 21(1), 123-129. 2644-4690. DOI: https://doi.org/10.31577/ahs-2020-0021.01.0015
About edition:
Publisher: Institute of Hydrology SAS, Dúbravská cesta 9, 841 05 Bratislava, Slovakia
Published: 2. 6. 2020
Rights:
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License