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An Approximation of the Steady Gravity Wave Induced by Mountainous Topography

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【作者】 许鹏程左群杰高守亭

【Author】 Peng-Cheng Xu;Qun-Jie Zuo;Shou-Ting Gao;Academy of Mathematics and System Sciences, Chinese Academy of Sciences;Institute of Atmospheric Physics, Chinese Academy of Sciences;

【通讯作者】 左群杰;

【机构】 Academy of Mathematics and System Sciences, Chinese Academy of SciencesInstitute of Atmospheric Physics, Chinese Academy of Sciences

【摘要】 An approximation of the orography gravity wave, which is induced by mountainous topography, is considered in this study. By assuming that the horizontal wind is a linear function with respect to the height, the approximating equation for the orography gravity waves is obtained. Four topography functions are considered in this study and the orography gravity wave are obtained. The dynamics of the orography gravity wave is then discussed by considering the effect of the surface topography and background horizontal wind.

【Abstract】 An approximation of the orography gravity wave, which is induced by mountainous topography, is considered in this study. By assuming that the horizontal wind is a linear function with respect to the height, the approximating equation for the orography gravity waves is obtained. Four topography functions are considered in this study and the orography gravity wave are obtained. The dynamics of the orography gravity wave is then discussed by considering the effect of the surface topography and background horizontal wind.

【基金】 Supported by the Natural Science Foundation of China under Grant Nos.91437215,41575047;The Third Scientific Experiment of Tibetan Plateau under Grant No.GYHY201406001
  • 【文献出处】 Communications in Theoretical Physics ,理论物理(英文版) , 编辑部邮箱 ,2019年02期
  • 【分类号】P43
  • 【下载频次】27
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