The largest waves are generated when ____. fetch is small, wind speed is high, a
ID: 157419 • Letter: T
Question
The largest waves are generated when ____.
fetch is small, wind speed is high, and wind duration is short
fetch is large, wind speed is high, and wind duration is long
fetch is small, wind speed is high, and wavelength is long
fetch is large, wind speed is high, and wind duration is short
fetch is large, wind speed is high, and wavelength is short
a.fetch is small, wind speed is high, and wind duration is short
b.fetch is large, wind speed is high, and wind duration is long
c.fetch is small, wind speed is high, and wavelength is long
d.fetch is large, wind speed is high, and wind duration is short
e.fetch is large, wind speed is high, and wavelength is short
Explanation / Answer
d. Fetch is large wind speed is high and wind duration is long
The fetch, also called the fetch length, is the length of water over which a given wind has blown. Fetch is used in geography andmeteorology and its effects are usually associated with sea state and when it reaches shore it is the main factor that creates storm surge which leads to coastal erosion and flooding. It also plays a large part in longshore drift as well.
Fetch length, along with the wind speed (wind strength), determines the size (sea state) of waves produced. The wind direction is considered constant. The longer the fetch and the faster the wind speed, the more wind energy is imparted to the water surface and the larger the resulting sea state will be.
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