| Abstract: | In this paper the effects of density stratification in sand-bed rivers are studied by the application of a model of vertical velocity and concentration profiles, coupled through the use of a turbulence closure that retains the buoyancy terms. By making the governing equations dimensionless, it is revealed that the slope is the additional dimensionless parameter introduced by inclusion of the buoyancy terms. The primary new finding is that in general density stratification effects tend to be greater in large, low-slope rivers than in their smaller, steeper brethren. Under high flow conditions the total suspended load and size distribution of suspended sediment can be significantly affected by density stratification, and should be accounted for in any general theory of suspended transport. ?? ASCE. |
| Genre: | Article |
| ProdID: | 70026952 |
| Citation Author: | Wright, S.; Parker, G. |
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| Citation End Page: | 795 |
| Citation Issue: | 8 |
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| Citation Language: | English |
| Citation Larger Work Title: | Journal of Hydraulic Engineering |
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| Citation Number Of Pages: | 13 |
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| Citation Search Results Text: | Density stratification effects in sand-bed rivers; 2004; Article; Journal; Journal of Hydraulic Engineering; Wright, S.; Parker, G. |
| Citation Start Page: | 783 |
| Citation Volume: | 130 |
| Citation Year: | 2004 |
| Type: | citation/reference |
| Text: | Density stratification effects in sand-bed rivers; 2004; Article; Journal; Journal of Hydraulic Engineering; Wright, S.; Parker, G. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1061/(ASCE)0733-9429(2004)130:8(783) |
| Date Other: | Thu, 1 Jan 2004 00:00 -0600 |
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