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Volume 4, issue 1 | Copyright
Earth Surf. Dynam., 4, 273-283, 2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 22 Mar 2016

Research article | 22 Mar 2016

Geometry of meandering and braided gravel-bed threads from the Bayanbulak Grassland, Tianshan, P. R. China

François Métivier et al.
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Cited articles
Andrews, E. D.: Bed-material entrainment and hydraulic geometry of gravel-bed rivers in Colorado, Geol. Soc. Am. Bull., 95, 371–378, 1984.
Ashmore, P. E.: How do gravel-bed rivers braid?, Can. J. Earth Sci., 28, 326–341, 1991.
Ashmore, P. E.: Fluvial Geomorphology, in: vol. 9 of Treatise on Geomorphology, chapter Morphology and dynamics of braided rivers, Academic Press, San Diego, CA, 289–312, 2013.
Brauderick, C. A., Dietrich, W. E., Leverich, G. T., and Sklar, L. S.: Experimental evidence for the conditions necessary to sustain meandering in coarse-bedded rivers, P. Natl. Acad. Sci., 16936–16941,, 2009.
Bunte, K. and Abt, S.: Sampling surface and subsurface particle-size distributions in wadable gravel- and cobble-bed streams for analyses in sediment transport, hydraulics, and streambed monitoring, Technical report, United States Department of Agriculture, Forest Service, Fort Colins (CO), 451pp., 2001.
Publications Copernicus
Short summary
In meandering rivers, flow and sediments are carried in a single thread whereas in braided rivers they are carried through numerous threads. The geometry of single-thread follows scaling relationships with discharge. The most famous of these, "Lacey's law", states that a river's width scales with the square root of its discharge. We here show that threads from braided rivers also accord with Lacey's law, and that the geometry of meandering and braided threads cannot be differenciated.
In meandering rivers, flow and sediments are carried in a single thread whereas in braided...