Draft:Bottom friction
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Bottom friction is a scientific term that refers to the drag exerted by the bottom of a body of water, in response to driving forces such as wind, tides or ocean currents.[1] Bottom friction tends to reduce the flow, but also limits wave height in shallow water.[2] [3]The tide and the tidal currents will be modified by the friction to which the waters are subjected when moving over the bottom.[4]
This bottom friction influences the currents to a considerable distance from the boundary surface, owing to the turbulent character of the flow.[5]
It is a form of friction that can be calculated by relating the stress at the lower boundary to the wind or current at a standard height above the bottom.[6]
References
[edit]- ^ "Chapter 4 Midlatitude dynamics and quasi-geostrophic models". International Geophysics Series. 66: 291. 2000. Bibcode:2000InGeo..66..291.. doi:10.1016/S0074-6142(00)80009-1.
- ^ Madsen, Ole Secher; Poon, Ying-Keung; Graber, Hans C. (29 January 1988). "Spectral Wave Attenuation by Bottom Friction: Theory". Coastal Engineering Proceedings (21): 34. doi:10.9753/icce.v21.34 (inactive 2 May 2025).
{{cite journal}}: CS1 maint: DOI inactive as of May 2025 (link) - ^ Gon, Casey J.; MacMahan, Jamie H.; Thornton, Edward B.; Denny, Mark (2020). "Wave Dissipation by Bottom Friction on the Inner Shelf of a Rocky Shore". Journal of Geophysical Research: Oceans. 125 (10). Bibcode:2020JGRC..12515963G. doi:10.1029/2019JC015963.
- ^ Dyakonova, Tatyana; Khoperskov, Alexander (2018). "Bottom friction models for shallow water equations: Manning's roughness coefficient and small-scale bottom heterogeneity". Journal of Physics: Conference Series. 973 (1): 012032. arXiv:1804.06618. Bibcode:2018JPhCS.973a2032D. doi:10.1088/1742-6596/973/1/012032.
- ^ "UC Press E-Books Collection, 1982-2004: Search Form".
- ^ "Bottom Friction - an overview | ScienceDirect Topics".