. A storm generates wind waves in a bay. The water depth in the bay is 20 m. The fetch length and storm duration are 20 km and 4 hours, respectively. The wind speed is 20 m/s. Assume deep water to simplify your calculations. (a) Estimate the spectral significant wave height H and the spectral peak period T. (b) Are these wind waves fully developed? (c) Are these wind waves fetch-limited or duration-limited? (d) Is the assumption of deep water appropriate?

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1. A storm generates wind waves in a bay. The water depth in the bay is 20 m. The fetch length and
storm duration are 20 km and 4 hours, respectively. The wind speed is 20 m/s. Assume deep water
to simplify your calculations.
(a) Estimate the spectral significant wave height H and the spectral peak period T.
(b) Are these wind waves fully developed?
(c) Are these wind waves fetch-limited or duration-limited?
(d) Is the assumption of deep water appropriate?
Transcribed Image Text:1. A storm generates wind waves in a bay. The water depth in the bay is 20 m. The fetch length and storm duration are 20 km and 4 hours, respectively. The wind speed is 20 m/s. Assume deep water to simplify your calculations. (a) Estimate the spectral significant wave height H and the spectral peak period T. (b) Are these wind waves fully developed? (c) Are these wind waves fetch-limited or duration-limited? (d) Is the assumption of deep water appropriate?
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