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Spatio-temporal scaling of channels in braided streams.Author(s): A.G. Hunt; G.E. Grant; V.K. Gupta
Source: Journal of Hydrology. 322: 192-198
Publication Series: Scientific Journal (JRNL)
Station: Pacific Northwest Research Station
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DescriptionThe 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., Fr = l. A means to derive this relationship is developed from a new theory of sediment transport. The mechanism by which the Fr = l condition apparently governs the scaling seems to derive from the sensitivity of sediment transport to flow fluctuations when Fr = l. The condition Fr = l is also given a theoretical basis using arguments from surface roughness.
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CitationHunt, A.G.; Grant, G.E.; Gupta, V.K. 2005. Spatio-temporal scaling of channels in braided streams. Journal of Hydrology. 322: 192-198
KeywordsHydrologic processes, sedimentation, channel geomorphology
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