Research Article
Feb 1970
Formation of Dunes and Antidunes in Open Channels
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 96, Issue 2
Abstract
The formation of dunes and antidunes on the erodible bed of an open channel is studied analytically as a problem of stability of the erodible bed. The phase lag existing between the local sediment-transport rate and the local velocity on the bed plays an essential role in the formation of the sand waves. A physical model for the transport of sediment over a wavy bed is presented and a quantitative explanation of this phase lag is developed. The regions of occurrence of dunes of those bed configurations are compared with experimental results previously summarized by Kennedy, the comparison showing a good agreement.
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Published In
Journal of the Hydraulics Division
Volume 96 • Issue 2 • February 1970
Pages: 357 - 366
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© 1970 American Society of Civil Engineers.
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Published in print: Feb 1970
Published online: Feb 3, 2021
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Authors
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Taizo Hayashi, F.ASCE
Visiting Prof., Inst. of Hydr. Res., Univ. of Iowa, Iowa City; at present, Prof. of Hydr., Chuo Univ., Tokyo, Japan
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.