A proposed frequency spectrum for fully developed wind waves by revisiting P-M spectrum |
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| Authors: | Shouhua Liu Ning Jia Changlong Guan |
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| Institution: | Physical Oceanography Laboratory, Ocean University of China, Qingdao 266100, P. R. China |
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| Abstract: | It is generally believed that the equilibrium range of wind wave spectrum is in the form of the −4 rather than −5 power law.
However, in the widely applied P-M spectrum the equilibrium range is given in the form of −5 power law. In the present paper,
a spectrum for full development of wind waves is proposed using the form of the Neumann spectrum, but adopting the −4 power
law for the equilibrium range. The proposed spectrum has been verified with NDBC buoy data and could be a substitute for the
P-M spectrum. |
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| Keywords: | wind-wave spectrum equilibrium range fully developed P-M spectrum |
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