(Definition of âhowdyâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
A wave is an up and down movement of water. When we talk about waves, we use special words to name their parts. The highest point of a wave is called the crest. The lowest point is called the trough. Wave height is the vertical distance between the crest and trough. Wavelength is the horizontal distance between waves in a series. Wavelength can be measured between two wave crests. It can be measured between two wave troughs.
This is the highest part of the wave above still water level. See also Crest. Peak Direction. This is the wave direction at the frequency at which a wave spectrum reaches its maximum. Peak Period / Wave Period. This represent the period of time it takes for consecutive wave crests or wave troughs to pass a given point. The greater the wave period is the better the swell. Refraction