Answer
Several factors influence the height, length, and period of a wave. First, wind speed plays a crucial role in determining wave characteristics. Higher wind speeds generate larger waves, resulting in increased wave height. The longer the duration and more potent the wind, the larger the waves can become. Second, the fetch, which is the distance over which the wind blows uninterrupted, affects wave size. A longer fetch allows waves to develop and build up, resulting in larger waves with greater energy. Third, the duration of the wind blowing in a particular direction influences wavelength and period. Longer periods occur when the wind blows consistently in one direction over an extended time, creating waves with greater spacing between crests. Factors such as water depth, underwater topography, and interaction with other waves can also influence wave characteristics. Overall, wind speed, fetch, and wind duration are the primary factors determining a wave's height, length, and period, with other factors contributing to the complexity of wave behavior.
Work Step by Step
From text of section 20.2.
