Earth:Sand wave
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Short description: Sedimentary structure formed by aeolian processes or the flow of water
A sand wave is a lower regime sedimentary structure that forms across from tidal currents.[1]
Formation
Sand waves are formed through the action of the wind or water (through waves or tidal currents)[2] and are a product of unidirectional flow. Sand waves are the result of a mean flow velocity between 40 and 70 cm/s.
Sand waves also form underwater.[3][4]
See also
- Sand dune
- Ripple marks
References
- ↑ Allen, J.R.L. (1980). "Sand waves: A model of origin and internal structure". Sedimentary Geology 26 (4): 281–328. doi:10.1016/0037-0738(80)90022-6. Bibcode: 1980SedG...26..281A.
- ↑ Olsson-Seffer, Pehr Hjalmar (1910) (in en). Genesis and Development of Sand Formations on Marine Coasts. Augustana Book Concern, Printers. p. 17. https://archive.org/details/cu31924001776685. "Sand wave formed by winds."
- ↑ Pilkey, Orrin H. (2011-02-19) (in en). The World's Beaches: A Global Guide to the Science of the Shoreline. University of California Press. ISBN 978-0-520-26871-5. https://books.google.com/books?id=sAMlDQAAQBAJ&dq=underwater+sand+wave+formation&pg=PA120.
- ↑ View toward San Francisco Bay of the massive sand wave field – via ResearchGate.
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