Washload and Fine Sediment Load

Washload and fine sediment load should not be used synonymously. In streams with large concentrations of fines, the sediment size D10 may be much smaller than 0.0625 mm. The fluid becomes very viscous at low concentrations of clays and the reduced settling velocity inhibits the exchange of sediment...

Full description

Saved in:
Bibliographic Details
Published in:Journal of hydraulic engineering (New York, N.Y.) N.Y.), 1986-06, Vol.112 (6), p.541-545
Main Authors: Woo, Hyoseop S, Julien, Pierre Y, Richardson, Everett V
Format: Article
Language:English
Subjects:
TECHNICAL NOTES
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Washload and fine sediment load should not be used synonymously. In streams with large concentrations of fines, the sediment size D10 may be much smaller than 0.0625 mm. The fluid becomes very viscous at low concentrations of clays and the reduced settling velocity inhibits the exchange of sediment particles between the bed and the suspension. The sediment transport capacity under those conditions remains very poorly defined. In coarse bed streams, sands and fine gravel can be considered as washload as long as the sediment transport capacity remains larger than the availability of sediment. Intermittently, different conditions prevail when the upstream supply exceeds the transport capacity.
ISSN:0733-9429
1943-7900
DOI:10.1061/(ASCE)0733-9429(1986)112:6(541)