Research Article
Feb 1976
Wind-Driven Flow of Water Influenced by a Canopy
Authors: Robert O. Reid and Robert E. WhitakerAuthor Affiliations
Publication: Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 102, Issue 1
Abstract
A time-dependent numerical model, which treats fully evolved wind-driven canopy flow as a coupled two-layer system, is developed. The interfacial stress is formulated in terms of a coupling coefficient and the flow differential. The resistance afforded by a vegetative canopy is parameterized in terms of a drag coefficient and dimensional properties of the canopy elements. With flow confined strictly to the canopy, the calming effect of the canopy is introduced through a sheltering coefficient. The canopy is modeled as a set of rigid uniform structures orientated normal to the flow and evenly distributed with specified density over the bottom. The algorithm is tested by simulating the steady-state water-surface profiles observed in a laboratory channel containing wire screen obstructions. The model is applied next to a wind-driven rectangular basin with simulated vegetation specified over half the bottom.
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Information
Published In
Journal of the Waterways, Harbors and Coastal Engineering Division
Volume 102 • Issue 1 • February 1976
Pages: 61 - 77
Copyright
© 1976 American Society of Civil Engineers.
History
Published in print: Feb 1976
Published online: Feb 12, 2021
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Authors
Affiliations
Robert O. Reid
Prof., Dept. of Oceanography, Texas A & M Univ., College Station, Tex.
Robert E. Whitaker
Research Assoc., Dept. of Oceanography, Texas A & M Univ., College Station, Tex.
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