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Fluvial Hydraulics in Vegetated Channels

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydraulics and Hydrodynamics".

Deadline for manuscript submissions: closed (15 February 2024) | Viewed by 1262

Special Issue Editors

School of Engineering, University of Northern British Columbia, Prince George, BC V2N 4Z9, Canada
Interests: fluvial hydraulics; local scour; river ice hydraulics; sediment transport; eco-hydraulics; snow hydrology; numerical simulation
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Guest Editor
Civil Engineering Department, Iran University of Science and Technology, Narmak, Tehran, Iran
Interests: hydraulic; hydrodynamics; sediment transport
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Vegetation patches and strips in riverbeds and riverbanks have a crucial effect in aquatic ecosystems. Vegetation patches and strips play an important role in transporting contaminants through changes in flow hydrodynamics. The interaction between flow and vegetation in a channel should be considered in urban hydrology, stream restoration, and flood management projects. The enrichment and development of vegetation patches have numerous benefits for the environment, indicating that plants have a remarkable role in erosion control in addition to their ecological effects compared to structural methods.

To date, scientists have conducted a large amount of cutting-edge research on all aspects of sediment transport and fluvial hydraulics in the presence of vegetation patches/strips in channels. Many research papers have been published to help researchers continue to explore this subject in the right direction. The aim of this Special Issue is to publish research works that improve knowledge of sediment transport and fluvial processes with the presence of vegetation/plants in channels. It will include not only the impacts of vegetation on sediment transport in natural rivers and laboratory flumes, but also topics related to role of vegetation on flow hydrodynamics. We will also include research works regarding sediment retention/deposition occurring in vegetation patches, as well as those on different aspects of vegetation, such as foliage impacts, effects of stem flexibility on turbulence, the mechanical behavior of vegetation, and hydrodynamic models considering the effect of vegetation.

Dr. Jueyi Sui
Prof. Dr. Hossein Afzalimehr
Guest Editors

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Keywords

  • eco-hydrology
  • fluvial hydraulics
  • local scour
  • sediment transport
  • turbulence
  • vegetated channel

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Published Papers (1 paper)

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Research

13 pages, 1794 KiB  
Article
A Numerical Model of the Pollutant Transport in Rivers with Multi-Layer Rigid Vegetation
by Weidong Xuan, Chenggang Yang, Xiang Wu, Yiting Shao and Yu Bai
Water 2024, 16(10), 1397; https://doi.org/10.3390/w16101397 - 14 May 2024
Viewed by 865
Abstract
River water pollution is a key environmental issue to human society. How to effectively simulate the flow velocity and pollution transport in a vegetated river can provide a theoretical basis for solving such problems. Based on previous experimental data, this article uses the [...] Read more.
River water pollution is a key environmental issue to human society. How to effectively simulate the flow velocity and pollution transport in a vegetated river can provide a theoretical basis for solving such problems. Based on previous experimental data, this article uses the lattice Boltzmann method and random displacement method to simulate the velocity distribution and nutrient transport in multi-layer rigid vegetated rivers. The simulation results indicate that incorporating the drag force of the vegetation into the model according to different vegetation layers can effectively simulate the velocity in a multi-layer vegetated river. Incorporating the turbulent diffusion and mechanical diffusion effects of nutrients caused by vegetation into the model can effectively simulate the effects of multi-layer vegetation on nutrient transport. This model can provide effective predictions of the flow velocity and pollution transport in multi-layer vegetation. Full article
(This article belongs to the Special Issue Fluvial Hydraulics in Vegetated Channels)
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