GEOLOGY

Detailed explanation-1: -Wave height is affected by wind speed, wind duration (or how long the wind blows), and fetch, which is the distance over water that the wind blows in a single direction.

Detailed explanation-2: -Waves are most commonly caused by wind. Wind-driven waves, or surface waves, are created by the friction between wind and surface water. As wind blows across the surface of the ocean or a lake, the continual disturbance creates a wave crest.

Detailed explanation-3: -Anatomy of a Wave. The highest part of the wave is called the crest. The lowest part is called the trough. The wave height is the overall vertical change in height between the crest and the trough and distance between two successive crests (or troughs) is the length of the wave or wavelength.

Detailed explanation-4: -At first, the wind makes only small ripples on the water. As the wind continues the waves grow larger. The longer the wind blows, the larger the waves become. Waves form when energy is transferred from the air to the water.

Detailed explanation-5: -fetch, area of ocean or lake surface over which the wind blows in an essentially constant direction, thus generating waves. The term also is used as a synonym for fetch length, which is the horizontal distance over which wave-generating winds blow.