IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 33rd Congress - Vancouver (2009) : Topic A: Advances in the Fundamentals of Water Science and Engineering : Sediment transport in vegetated rivers
Sediment transport in vegetated rivers
Author : Aronne Armanini, Valentina Cavedon and Maurizio Righetti
The paper addresses the problem of sediment transport in mobile bed vegetated rivers. In order to study the effect of vegetation on sediment transport a series of tests were conduced in a 15 m long flume in the Hydraulic Laboratory of the University of Trento. Plants were modelled by rigid cylindrical elements arranged in staggered configurations. The aim of the research was to develop a rational theory with which to predict the sediment transport rate in a vegetated channel. For this purpose, we adopted an approach derived from the Einstein theory. The Einstein approach was revisited and modified to account for two effects: the reduction of the active area of the flume bed due to the presence of vegetation, and the modification of the turbulent structure induced by vegetation. This new approach to the problem appears to be suitable for different configurations of vegetation and different hydrodynamic and sediment conditions.

File Size : 261,479 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 33rd Congress - Vancouver (2009)
Article : Topic A: Advances in the Fundamentals of Water Science and Engineering
Date Published : 09/08/2009
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