Equilibrium-range constant in wind-generated wave spectra

被引：66
|
作者：
Resio, DT [1 ]
Long, CE
Vincent, CL
机构：
[1] USA, Ctr Res Dev & Engn, Coastal & Hydraul Lab, Vicksburg, MS 39180 USA
[2] Off Naval Res, Coastal Dynam Program, Arlington, VA 22217 USA
来源：
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS | 2004年 / 109卷 / C1期
关键词：
waves; ocean waves; wave spectra; nonlinear waves; air-sea interactions; equilibrium range;
D O I：
10.1029/2003JC001788
中图分类号：
P7 [海洋学];
学科分类号：
0707 ;
摘要：
The equilibrium range in wind-driven wave spectra is characterized to have an f(-4) form in deep water (k(-5/2) shallow-water form). Absolute energy levels for six physically diverse sites are shown to be well fit by an expression involving the wind speed measured at a fraction of a wavelength above the sea surface in combination with the phase speed of the spectral peak. Observed energy levels suggest that nonlinear wave-wave interactions are capable of maintaining the observed energy-flux balance in the equilibrium range.
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页数：14
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