Surface Gravity Wave (Progressive)
Surface Gravity Wave (Progressive) : (1) this is the term which applies to the Wind Waves and Swell of lakes and oceans, also called Surface Water Wave, Surface Wave or Deep Water Wave, (2) a progressive Gravity Wave in which the disturbance is confined to the upper limits of a body of water. Strictly speaking this term applies to those progressive Gravity Waves whose celerity depends only upon the wave length