Sediment transport simulation in an armoured stream
By: Robert T. Milhous, Jeffrey B. Bradley, and Cindy L. Loeffler
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Abstract
Improved methods of calculating bed material stability and transport must be developed for a gravel bed stream having an armoured surface in order to use the HEC-6 model to examine channel change. Good possibilities exist for use of a two layer model based on the Schoklitsch and the Einstein-Brown transport equations. In Einstein-Brown the D35 of the armour is used for stabilities and the D50 of the bed (sub-surface) is used for transport. Data on the armour and sub-surface size distribution needs to be obtained as part of a bed material study in a gravel bed river; a "shovel" sample is not adequate. The Meyer-Peter, Muller equation should not be applied to a gravel bed stream with an armoured surface to estimate the initiation of transport or for calculation of transport at low effective bed shear stress.
| Publication type | Book |
|---|---|
| Publication Subtype | Conference publication |
| Title | Sediment transport simulation in an armoured stream |
| Year Published | 1986 |
| Language | English |
| Publisher | Subcommittee on Sedimentation of the Interagency Advisory Committee on Water Data |
| Publisher location | Washington, D.C. |
| Description | 11 p. |
| Larger Work Title | Proceedings of the Fourth Federal Interagency Sedimentation Conference |
| Conference Title | Fourth Federal Interagency Sedimentation Conference |
| Conference Location | Las Vegas, NV |
| Conference Date | 1986-03-24T00:00:00 |
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