| Song Jinbao,Wu Kejian,Xu Delun,Sun Fu. 1997. Probability distribution of surface slope for nonlinear random sea waves and calculation of whitecap coverage. Acta Oceanologica Sinica, (2):141－148 |
| Probability distribution of surface slope for nonlinear random sea waves and calculation of whitecap coverage |
| Probability distribution of surface slope for nonlinear random sea waves and calculation of whitecap coverage |
| Received:June 18, 1996 Revised:October 10, 1996 |
| DOI： |
| Key words:Nonlinear model of random sea waves distribution of surface slope whitecap coverage |
| 中文关键词: Nonlinear model of random sea waves distribution of surface slope whitecap coverage |
| 基金项目:This project was supported by the China Postdoctoral Science Foundation and the National Education Committee Foundation. |
| Author Name | Affiliation | | Song Jinbao | Physical Oceanography Laborsary, Ocean University of Qingdao, Qingdao 266003, China | | Wu Kejian | Institute of Physical Oceanography, Ocean University of Qingdao, Qingdao 266003, China | | Xu Delun | Physical Oceanography Laborsary, Ocean University of Qingdao, Qingdao 266003, China | | Sun Fu | Physical Oceanography Laborsary, Ocean University of Qingdao, Qingdao 266003, China |
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| Abstract: |
| Based on the nonlinear model of two-dimensional random sea waves, a statistical distribution of wave surface slope exact to the third order is derived by using the expansion of the characteristic function and direct calculations of each order moment. Based on the distribution of wave surface slope derived in this paper, a whitecap coverage is proposed by using the limit surface slope as a criterion of wave breaking. The whitecap coverage expressed by the model depends on three parameters which can be determined in principle by the linear wave spectrum and three kinds of wave-wave interaction. |
| 中文摘要: |
| Based on the nonlinear model of two-dimensional random sea waves, a statistical distribution of wave surface slope exact to the third order is derived by using the expansion of the characteristic function and direct calculations of each order moment. Based on the distribution of wave surface slope derived in this paper, a whitecap coverage is proposed by using the limit surface slope as a criterion of wave breaking. The whitecap coverage expressed by the model depends on three parameters which can be determined in principle by the linear wave spectrum and three kinds of wave-wave interaction. |
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