Helicoidal flow
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Cork-screw-like flow of water in a meander
Helicoidal flow is the cork-screw-like flow of water in a meander. It is one example of a secondary flow.
Helicoidal flow is a contributing factor to the formation of slip-off slopes and river cliffs in a meandering section of the river. The helicoidal motion of the flow aids the processes of hydraulic action and corrasion on the outside of the meander, and sweeps sediment across the floor of the meander towards the inside of the meander, forming point bar deposits.[1]
See also
[edit ]References
[edit ]- ^ Hickin, Edward J. (2003), "Meandering Channels", in Middleton, Gerard V. (ed.), Encyclopedia of Sediments and Sedimentary Rocks, New York: Springer, p. 432 ISBN 1-4020-0872-4
Bibliography
[edit ]- Journal of Geophysical Research, Volume 107 (2002) Archived 2012年10月31日 at the Wayback Machine
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