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Spatio-temporal scaling of channels in braided streams
The spatio-temporal scaling relationship for individual channels in braided streams is shown to be identical to the spatio-temporal scaling associated with constant Froude number, e.g. F r=1. A means to derive this relationship is developed from a new theory of sediment transport. The mechanism by w...
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Published in: | Journal of hydrology (Amsterdam) 2006-05, Vol.322 (1), p.192-198 |
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Main Authors: | , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | The spatio-temporal scaling relationship for individual channels in braided streams is shown to be identical to the spatio-temporal scaling associated with constant Froude number, e.g.
F
r=1. A means to derive this relationship is developed from a new theory of sediment transport. The mechanism by which the
F
r=1 condition apparently governs the scaling seems to derive from the sensitivity of sediment transport to flow fluctuations when
F
r=1. The condition
F
r=1 is also given a theoretical basis using arguments from surface roughness. |
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ISSN: | 0022-1694 1879-2707 |
DOI: | 10.1016/j.jhydrol.2005.02.034 |