Editing Pattern (section)

=== Waves, dunes ===
[[File:Sand dune ripples.jpg|thumb|upright|[[Dune]] [[Capillary wave|ripple]]]]
[[File:Mönster - Sand - Brädor - 2021.jpg|thumb|upright|Dune ripples and boards form a symmetrical pattern.]]
[[Wave]]s are disturbances that carry energy as they move. [[Mechanical wave]]s propagate through a medium – air or water, making it [[Oscillation|oscillate]] as they pass by.<ref>French, A.P. ''Vibrations and Waves''. Nelson Thornes, 1971.{{full citation needed|date=February 2024}}</ref> [[Wind wave]]s are [[surface wave]]s that create the chaotic patterns of the sea. As they pass over sand, such waves create patterns of ripples; similarly, as the wind passes over sand, it creates patterns of [[dune]]s.<ref>{{cite conference | first=H.L. | last=Tolman | title=Practical wind wave modeling | book-title=CBMS Conference Proceedings on Water Waves: Theory and Experiment | year=2008 | conference=Howard University, USA, 13–18 May 2008 | publisher=World Scientific Publ. | url=http://polar.ncep.noaa.gov/mmab/papers/tn270/Howard_08.pdf | editor-first=M.F. | editor-last=Mahmood}}</ref>
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