Gravity wave
wave generated in a fluid medium or at the interface between two media when the force of gravity or buoyancy tries to restore equilibrium
In fluid dynamics, gravity waves are waves generated in a fluid medium or at the interface between two mediums (e.g. the atmosphere or ocean) which has the restoring force of gravity or buoyancy.
![](http://up.wiki.x.io/wikipedia/commons/thumb/9/95/GravityWaves_ArabianSea.MODIS.2005may23.jpg/180px-GravityWaves_ArabianSea.MODIS.2005may23.jpg)
- Do not confuse with gravitational wave.
Other websites
change- Gallery of cloud gravity waves over Iowa
- Time-lapse video of gravity waves over Iowa
- Water Waves Wiki Archived 2010-11-13 at the Wayback Machine