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Numerical calculation of dispersion relation for linear internal waves

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WANG Gang 1   HOU Yijun 1   LIN Min 2  
文摘 With the horizontal Coriolis terms included in motion equations and the influence of compressibility of seawater on Brunt-V(a)is(a)l(a) frequency considered, a numerical method of calculating the dispersion relation for linear internal waves, which is an improvement of Cai and Gan (1995), and hence Fliegel and Hunkins (1975), had been set up. For different models (Pacific model, Atlantic model and Arctic model), simulations using the three different methods were compared and the following conclusions were reached: (1) the influence of horizontal Coriolis terms on dispersion relation cannot be neglected and is connected with the direction of the wave celerity, the latitude, and the modes of the wave;(2) the effect of compressibility of seawater in stratification is not an important factor for the dispersion relation of linear internal wave, at least for those three models. With the improved method, the wavefunction curves for the Pacific model had also been built.
来源 Chinese Journal of Oceanology and Limnology ,2007,25(4):347-353 【核心库】
关键词 dispersion relation ; Boussinesq approximation ; Brunt-V(a)is(a)l(a) frequency
地址

1. Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071  

2. Department of Mathematics, Ocean University of China, Qingdao, 266071

语种 英文
文献类型 研究性论文
ISSN 0254-4059
学科 海洋学
基金 中国科学院知识创新工程项目
文献收藏号 CSCD:2944673

参考文献 共 17 共1页

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