EM 1110-2-1100 (Change 1)
31 Jul 03
WAVE PROPAGATION
The transmission of waves through water.
WAVE RAY
See ORTHOGONAL.
WAVE, REFLECTED
That part of an incident wave that is returned seaward when a wave impinges on a steep beach, barrier, or other
reflecting surface.
WAVE REFRACTION
See REFRACTION (of water waves).
WAVE ROSE
Diagram showing the long-term distribution of wave height and direction.
WAVE SETDOWN
Drop in water level outside of the breaker zone to conserve momentum as wave particle velocities and pressures
change prior to wave breaking.
WAVE SETUP
See SETUP, WAVE.
WAVE, SINUSOIDAL
An oscillatory wave having the form of a sinusoid.
WAVE, SOLITARY
See SOLITARY WAVE.
WAVE SPECTRUM
In ocean wave studies, a graph, table, or mathematical equation showing the distribution of wave energy as a
function of wave frequency. The spectrum may be based on observations or theoretical considerations. Several forms of
graphical display are widely used.
WAVE, STANDING
See STANDING WAVE.
WAVE STEEPNESS
The ratio or wave height to wavelength also known as sea steepness.
WAVE TRAIN
A series of waves from the same direction.
WAVE TRANSFORMATION
Change in wave energy due to the action of physical processes.
WAVE, TROCHOIDAL
See TROCHOIDAL WAVE.
WAVE TROUGH
The lowest part of a wave form between successive crests. Also that part of a wave below still-water level.
A-90
Appendix A Glossary of Coastal Terminology
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