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- Publisher
- Wiley
- Copyright
- Copyright © 1981 John Wiley & Sons, Ltd
- ISSN
- 0197-9337
- eISSN
- 1096-9837
- DOI
- 10.1002/esp.3290060213
- Publisher site
- See Article on Publisher Site
Abstract
Department of Geological Sciences, State University of New York, Binghamton, New Y r 13901. U.S.A. ok Received 31 January 1980 Revised 1 April 1980 KEY WORDS Bedload theory Bagnold Since Bagnold’s (1956) classic paper on the bedload stresses set up during transport of cohesionless grains in fluids, many authors have quoted his work but only recently have his assumptions been examined critically (e.g. Allen (1972); Pratt (1973); Luque and Van Beek (1976); Engelund and Fredsoe (1976); Leeder (1977, 1979a, b); Allen and Leeder (1980)). In particular, a recent sediment transport model by Engelund and Fredsoe (1976), which is both simple and apparently accurate, uses many of Bagnold’s concepts, and results in a very similar bedload function. This note is intended to show how some of Bagnold’s earlier and latest ideas are confirmed and modified by this recent work, and to tentatively suggest further improvement. The following bedload transport theory is taken largely from Engelund and Fredsoe (1976) but with some modifications. Consider the average drag force, F, acting on a single sphere moving over a plane bed. For steady , average motion o the grain the applied fluid force must be resisted by a frictional force resulting from
Journal
Earth Surface Processes and Landforms – Wiley
Published: Mar 1, 1981