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- Infragravity_wave abstract "Infragravity waves are surface gravity waves with frequencies lower than the wind waves – consisting of both wind sea and swell – so corresponding with the part of the wave spectrum lower than the frequencies directly generated by forcing through the wind.Infragravity waves consist, among others, of long-period oceanic waves generated along continental coastlines by nonlinear wave interactions of storm-forced shoreward-propagating ocean swells. These differ from normal oceanic gravity waves, which are created by wind acting on the surface of the sea. Normal gravity waves typically have a frequency on the order of 50 millihertz (i.e., a period of 20 seconds). Interactions of these waves with coastlines filters out the frequencies with periods about 30 seconds, but nonlinear processes convert some of this energy to subharmonics with periods ranging from 50 seconds (20 mHz) to 350 seconds (3 mHz). Infragravity waves are these subharmonics of the impinging gravity waves.Technically infragravity waves are simply a subcategory of gravity waves and refer to all gravity waves with periods greater than 30 s. Although they include phenomena such as tides and oceanic Rossby waves, in the common literature their use is limited to gravity waves that are generated by the topography of the bottom.The term "infragravity wave" appears to have been coined by Walter Munk in 1950.".
- Infragravity_wave thumbnail Munk_ICCE_1950_Fig1.svg?width=300.
- Infragravity_wave wikiPageID "26252375".
- Infragravity_wave wikiPageRevisionID "473365331".
- Infragravity_wave hasPhotoCollection Infragravity_wave.
- Infragravity_wave subject Category:Fluid_dynamics.
- Infragravity_wave subject Category:Water_waves.
- Infragravity_wave type Abstraction100002137.
- Infragravity_wave type Event100029378.
- Infragravity_wave type Happening107283608.
- Infragravity_wave type Movement107309781.
- Infragravity_wave type PsychologicalFeature100023100.
- Infragravity_wave type WaterWaves.
- Infragravity_wave type Wave107352190.
- Infragravity_wave type YagoPermanentlyLocatedEntity.
- Infragravity_wave comment "Infragravity waves are surface gravity waves with frequencies lower than the wind waves – consisting of both wind sea and swell – so corresponding with the part of the wave spectrum lower than the frequencies directly generated by forcing through the wind.Infragravity waves consist, among others, of long-period oceanic waves generated along continental coastlines by nonlinear wave interactions of storm-forced shoreward-propagating ocean swells.".
- Infragravity_wave label "Infragravity wave".
- Infragravity_wave sameAs m.0b75pk4.
- Infragravity_wave sameAs Q6031425.
- Infragravity_wave sameAs Q6031425.
- Infragravity_wave sameAs Infragravity_wave.
- Infragravity_wave wasDerivedFrom Infragravity_wave?oldid=473365331.
- Infragravity_wave depiction Munk_ICCE_1950_Fig1.svg.
- Infragravity_wave isPrimaryTopicOf Infragravity_wave.
