Research Article
Jul 1974
Stochastic Analysis of Dune Bed Profiles
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 100, Issue 7
Abstract
Application of stochastic models of bed-load transport and dispersion requires a knowledge of the probability distributions of the step lengths and the rest periods of the particles. The probability distributions of the rest periods, the elevation of particle deposition, and the elevation of particle erosion were obtained in a large flume from a continuous record of bed elevation at a fixed point as a continuous function of time. The probability distribution of the step lengths was obtained from a series of instantaneous longitudinal bed profiles and the distribution of the elevation of particle deposition and erosion. Using an existing transport equation, the total sediment transport in the flume was predicted for three flow conditions. The errors in the predicted total sediment transport rates were -3.0%, +3.5%, and +80.1%.
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Published In
Journal of the Hydraulics Division
Volume 100 • Issue 7 • July 1974
Pages: 849 - 867
Copyright
© 1974 American Society of Civil Engineers.
History
Published in print: Jul 1974
Published online: Feb 3, 2021
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Authors
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Baum K. Lee, AM.ASCE
Hydr. Engr., Water Resources Div., HARZA Engrg. Co., Chicago, Ill
Harvey E. Jobson, M.ASCE
Research Hydro., U.S. Geological Survey, Bay St. Louis, Miss
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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.