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Title: Bed-load transport in vegetated flows : phenomena, parametrization, and prediction
Authors: Wu, Haoliang
Cheng, Nian-Sheng
Chiew, Yee-Meng
Keywords: Engineering::Civil engineering
Issue Date: 2021
Source: Wu, H., Cheng, N. & Chiew, Y. (2021). Bed-load transport in vegetated flows : phenomena, parametrization, and prediction. Water Resources Research, 57(4), e2020WR028143-.
Journal: Water Resources Research
Abstract: This study presents an experimental study on bed-load transport in the presence of emergent vegetation, which is simulated using uniformly sized circular cylinders arranged in a homogeneous distribution. The spatial variability of bed-load fluxes in vegetated flows is first examined. Then a model is proposed for evaluating the bed-load transport rate based on the scour holes that form around the vegetation stems. The influences of spatial variability and intensified turbulence on sediment transport are finally considered by relating the dimensionless transport rate and flow intensity to the stem size and vegetation density. The derived formula for predicting the bed-load transport rate in vegetated flows is applicable for weak to moderate transport conditions.
ISSN: 0043-1397
DOI: 10.1029/2020WR028143
Rights: © 2021 American Geophysical Union. All Rights Reserved. This paper was published in Water Resources Research and is made available with permission of American Geophysical Union.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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