Research Article
Jan 1980
Presentation of Longitudinal Dispersion Data
Publication: Journal of the Hydraulics Division
Volume 106, Issue 1
Abstract
It is proposed that deviations from Gaussianity of observed profiles of the concentration of a solute in a cloud as it passes the measuring station in a river, estuary or similar flow should be explicitly measured by recording the nondimensional skewness and kurtosis. Examples of applications of the proposal are examined. It is shown that observed profiles can be fitted well by Edgeworth series provided the skewness and kurtosis are not too large. Review of the way in which different causes of deviations from Gaussianity can be classified in terms of the evolution of the skewness and kurtosis with downstream position is given, and it is argued that this is the most important point of the proposal.
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Published In
Journal of the Hydraulics Division
Volume 106 • Issue 1 • January 1980
Pages: 71 - 83
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Jan 1980
Published online: Feb 3, 2021
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Authors
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Philip C. Chatwin
Lect., Dept. of Applied Mathematics and Theoretical Physics, Univ. of Liverpool, Liverpool, England
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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.