Fluvial sediment processes

Deep, eroding glaciofluvial deposits alongside the Matanuska River, Alaska

In geography and geology, fluvial sediment processes or fluvial sediment transport are associated with rivers and streams and the deposits and landforms created by sediments. It can result in the formation of ripples and dunes, in fractal-shaped patterns of erosion, in complex patterns of natural river systems, and in the development of floodplains and the occurrence of flash floods. Sediment moved by water can be larger than sediment moved by air because water has both a higher density and viscosity. In typical rivers the largest carried sediment is of sand and gravel size, but larger floods can carry cobbles and even boulders. When the stream or rivers are associated with glaciers, ice sheets, or ice caps, the term glaciofluvial or fluvioglacial is used, as in periglacial flows and glacial lake outburst floods.[1][2] Fluvial sediment processes include the motion of sediment and erosion or deposition on the river bed.[3][4]

  1. ^ Neuendorf, Klaus K.E.; Mehl, James P. Jr; Jackson, Julia A., eds. (2011). Glossary of Geology (5th revised ed.). Alexandria, Virginia: American Geological Institute. p. 800. ISBN 978-3-642-06621-4. OCLC 751527782.
  2. ^ Wilson, W.E. & Moore, J.E. 2003. Glossary of Hydrology, American Geological Institute, Springer, 248pp.
  3. ^ Charlton, Ro (2008). Fundamentals of fluvial geomorphology. London: Rutledge. p. 234. ISBN 978-0-415-33454-9.
  4. ^ Wohl, Ellen (2014). Rivers in the Landscape: Science and Management. Wiley-Blackwell. p. 330. ISBN 978-1-118-41489-7.

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