A proposed spectral form for fully developed wind seas based on the similarity theory of S. A. Kitaigorodskii

作者: Willard J. Pierson , Lionel Moskowitz

DOI: 10.1029/JZ069I024P05181

关键词: Curve fittingWind profile power lawWind waveRange (statistics)Wind speedMeteorologyAnemometerPierson–Moskowitz spectrumWind wave modelMathematics

摘要: The data for the spectrums of fully developed seas obtained by Moskowitz [1964] for wind speeds from 20 to 40 knots (10.29 to 20.58 m/sec), are used to test the similarity hypothesis and the idea proposed by Kitaigorodskii [1961] that, when plotted in a certain dimensionless way, the power spectrums for all fully developed seas should be of the same shape. Over the important range of frequencies that define the total variance of the spectrum within a few per cent, the transformed plots yield a nondimensional spectral form that is nearly the same …

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