Articles | Volume 5, issue 3
Research article
18 Sep 2017
Research article |  | 18 Sep 2017

Possible threshold controls on sediment grain properties of Peruvian coastal river basins

Camille Litty, Fritz Schlunegger, and Willem Viveen

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Cited articles

Abbühl, L. M., Norton, K. P., Jansen, J. D., Schlunegger, F., Aldahan, A., and Possnert, G.: Erosion rates and mechanisms of knickzone retreat inferred from 10Be measured across strong climate gradients on the northern and central Andes Western Escarpment, Earth Surf. Proc. Land., 36, 1464–1473, 2011.
Allen, G. H., Barnes, J. B., Pavelsky, T. M., and Kirby, E.: Lithologic and tectonic controls on bedrock channel form at the northwest Himalayan front, J. Geophys. Res.-Earth, 118, 1806–1825, 2013.
Allen, P. A., Armitage, J. J., Whittaker, A. C., Michael, N. A., Roda-Boluda, D. and D'Arcy, M.: Fragmentation model of the grain size mix of sediment supplied to basins, J. Geol., 123, 405–427, 2015.
Allen, P. A., Michael, N. A., D'Arcy, M., Roda-Boluda, D. C., Whittaker, A. C., Duller, R. A., and Armitage, J. J.: Fractionation of grain size in terrestrial sediment routing systems, Basin Res., 29, 180–202, 2016.
Atherton, M. P.: The coastal batholith of Peru, in: Andean Magmatism, 168–179, Birkhäuser, Boston, 1984.
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This paper focuses on the analysis of the properties controlling the grain size in the streams of the western Peruvian Andes. Pebble size distributions in these streams have been compared to fluvial processes and basin properties. The resulting trends and differences in sediment properties seem to have been controlled by threshold conditions upon supply and transport.