E3S Web of Conferences
Volume 44, 201810th Conference on Interdisciplinary Problems in Environmental Protection and Engineering EKO-DOK 2018
|Number of page(s)||8|
|Published online||03 July 2018|
Numerical modeling of the hydraulic impact of riparian vegetation
Wroclaw University of Environmental and Life Sciences, The Faculty of Environmental Engineering and Geodesy, Institute of Environmental Engineering, C. K. Norwida 25, 50-375 Wroclaw, Poland
2 Wroclaw University of Environmental and Life Sciences, The Faculty of Environmental Engineering and Geodesy, Institute of Environmental Protection and Development, C. K. Norwida 25, 50-375 Wroclaw, Poland
* Corresponding author: firstname.lastname@example.org
This paper presents results of numerical modelling of riverbed segment with riparian vegetation performed with use of CCHE2 software. Vegetation zones are places where dynamic of water flow increases. Therefore, there is a need of careful examination of hydraulic impact structure of such zones. Accurate research is necessary and should be performed with use of physical or numerical models, two or three dimensional. Paper presents distribution of velocity and area of water surface for two variants of vegetation deposition acquired in CCHE2D software and modelled for riverbed with distinctive riparian vegetation. Results point to significant (30–40%) increase of maximal velocities in riverbed with riparian vegetation, while directly near the vegetation there were zones with very low velocities. Local damming occurs before vegetal zone. Maximal shear stress in zones with increased velocity is significantly augmented compared to conditions with no vegetation, which can cause more intensive erosion in those zones
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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