| 三维多层流过山产生的山地重力波研究 |
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| 引用本文： | 李子良.三维多层流过山产生的山地重力波研究[J].高原气象,2006,25(4):593-600. |
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| 作者姓名： | 李子良 |
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| 作者单位： | 北京大学,物理学院大气科学系,北京,100871;中国海洋大学,物理海洋试验室,海洋气象系,山东,青岛,266003 |
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| 摘 要： | 为了研究了三维多层气流过山产生的三维山地重力波和大气船波动力学理论,在本文中,改进了一个多层流过山的三维山地重力波的线性理论计算模式,分析了三维多层流过孤立山地产生的三维山地重力波和大气船舶波的物理机制及其表现特征。揭示了多层流过孤立地形产生发散模态和横波两种模态拦截背风波的气象条件,增强了人们对山地重力波动力学的理解和对山脉重力波及其相联系的山脉天气的预测能力。
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| 关 键 词： | 山脉重力波 大气船波 发散模态 拦截模态 |
| 文章编号： | 1000-0534（2006）04-0593-08 |
| 收稿时间： | 2005-10-08 |
| 修稿时间： | 2005-10-082006-03-14 |
The Theory and Numerical Calculation of Mountain Gravity Waves Generated by Flow over Hill |
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| LI Zi-liang.The Theory and Numerical Calculation of Mountain Gravity Waves Generated by Flow over Hill[J].Plateau Meteorology,2006,25(4):593-600. |
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| Authors: | LI Zi-liang |
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| Institution: | 1. Department of Atmospheric Sciences, Physics of School, Peking University, Beijing 100871, China; 2. Laboratory of Physical Oceanography, Department of Marine Meteorology, Ocean University of China, Qingdao 266003, China |
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| Abstract: | The theory and numerical calculation of mountain gravity waves and atmospheric ship waves generated by three-dimensional multi-layer flow over isolated hill are investigated.Using the three-dimensional multi-layer linear theory model to calculate the lee wave fields,the characteristics of atmospheric ship waves of trapped and diverging modes are obtained where the three-dimensional multi-layer flow over isolated mountain under the various stability conditions. |
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| Keywords: | Mountain gravity waves Atmospheric ship waves Diverging mode Trapped mode |
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