Research Article
Mar 1979
Statistical Analysis of Sediment Motions on Dunes
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VIEW THE REPLYAuthors: Che S. Hung, M.ASCE, and Hsieh W. Shen, M.ASCEAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 105, Issue 3
Abstract
Statistical analyses were done on the movements of bed load particles over alluvial bed forms from data collected in a large laboratory flume at Colorado State University. The bed load particles were tagged by radioactive tracer — Cesium 137. Statistical properties of the random variables and the correlations between these variables are investigated. It is found that within the test range, the mean and variance of longitudinal step length, the mean wavelength and the mean wave height of bed forms, the particle speed, the variance of vertical step length, and the variance of lateral step length all increase with the increase of flow. However, the coefficients of variation for both wave height and wavelength remain approximately the same for all flow conditions tested. The ratio of average wave length to average wave height decreases with the increase of flow.
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Published In
Journal of the Hydraulics Division
Volume 105 • Issue 3 • March 1979
Pages: 213 - 227
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Mar 1979
Published online: Feb 3, 2021
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Che S. Hung, M.ASCE
Sr. Environmental Engr., Stone and Webster Engrg. Corp., Boston, Mass., USA
Hsieh W. Shen, M.ASCE
Prof., Colorado State Univ., Fort Collins, Colo., USA
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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.