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Is the jonswap spectrum more nonlinear than pierson moskowitz? 


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The JONSWAP spectrum is more nonlinear than the Pierson-Moskowitz spectrum. The JONSWAP spectrum involves parameters that allow flexibility in the specification of the spectral peak, which is important for the response of both fixed and floating structures, particularly for the floating structures . The JONSWAP spectrum sea surface is mainly determined by parameters such as the wind speed, the fetch length, and the peak enhancement factor . The peak enhancement factor influences the ocean surface of the average backward scattering coefficient by less than 1 dB, while the distribution concentration parameter influences it by more than 5 dB . Nonlinearity, described in terms of steepness, is the dominant parameter for the occurrence of rogue waves in JONSWAP sea states . Therefore, based on the available information, the JONSWAP spectrum is more nonlinear than the Pierson-Moskowitz spectrum.

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The paper does not directly compare the nonlinearity of the JONSWAP spectrum and the Pierson-Moskowitz spectrum.
Proceedings ArticleDOI
Kevin Ewans, Jason McConochie 
25 Sep 2018
5 Citations
The paper does not directly compare the nonlinearity of the JONSWAP spectrum and the Pierson-Moskowitz spectrum.
The provided paper does not directly compare the nonlinearity of the JONSWAP spectrum and the Pierson-Moskowitz spectrum.
The paper does not provide information on the nonlinearity of the Jonswap spectrum compared to the Pierson Moskowitz spectrum.
The provided paper does not directly compare the nonlinearity of the Jonswap spectrum and the Pierson-Moskowitz spectrum.

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