Weak dependence of the SWAN wave model on hydrodynamic properties of sea bottom

被引：0
|
作者：
B. A. Kagan
O. Alvarez
E. V. Gorchakov
机构：
[1] Russian Academy of Sciences,Shirshov Institute of Oceanology (St. Petersburg Branch)
[2] Cadiz University,Department of Applied Physics
[3] Cadiz University,UCA
[4] Russian State Hydrometeorological University,CSIS United Interdisciplinary Group of Oceanology
来源：
Izvestiya, Atmospheric and Oceanic Physics | 2008年 / 44卷
关键词：
Oceanic Physic; Wind Wave; Bottom Friction; Hydrodynamic Property; Bottom Boundary Layer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The third generation of the SWAN wave model is modified by the incorporation of new resistance laws for hydrodynamically rough, incompletely rough (smoothly rough), and smooth underlying surfaces. A modified model is used to determine the functional dependences of wave parameters (such as the dimensionless energy of waves and the dimensionless spectral peak frequency) on a dimensionless fetch. The results of calculations are compared to the experimental data obtained in Lake George (northeastern Australia), which has a nearly constant depth and extended, nearly rectilinear segments of coast. The SWAN model is shown to depend weakly on hydrodynamic properties of the sea bottom: distinctions arising from changes in hydrodynamic properties of the sea bottom are smaller than the variances of experimental estimates.
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页码：781 / 786
页数：5
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