Research Article
Oct 1970
Sediment Sampling Efficiency of Slots
Authors: Michael Poreh, Abraham Sagiv, and Ido SeginerAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 96, Issue 10
Abstract
The sediment sampling efficiency of two-dimensional slots in open channel was studied. Eight fractions of sand and gravel were used ranging in size from 0.2 mm to 4.5 mm. A universal relation between the efficiency, the Froude number and the particle size was established for what is termed the bed load transport range. It was found that the sampling efficiency in this range decreases slightly with particle size and approaches one for large slots openings. The sampling efficiency of smaller particles, which do not move as bed load, was found to increase with particle size but remained smaller than one even for extremely large slot size to particle size ratios.
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Published In
Journal of the Hydraulics Division
Volume 96 • Issue 10 • October 1970
Pages: 2065 - 2078
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Oct 1970
Published online: Feb 3, 2021
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Authors
Affiliations
Michael Poreh
Visitingi Prof., Univ. of Iowa, Iowa City, I. A
Abraham Sagiv
Grad. Student; Technion, Israel Inst. of Technol., Haifa, Israel
Ido Seginer
Sr. Lect., Technion, Israel Inst. of Technol., Haifa, Israel
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