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理查逊数与中尺度扰动稳定性的关系
THE RELATIONS BETWEEN RICHARDSON NUMBER AND THE STABILITY OF MESOSCALE PERTURBATIONS
【摘要】 本文通过用摄动方法求解对数压力坐标系下原始方程组的线性解,来研究理查逊数与中尺度扰动的稳定性的关系,得出了零级近似和一级近似下对称不稳定以及零级近似下几种特殊的斜压不稳定判据。
【Abstract】 In this paper, the relations between the Richardson number and the stability of mesoscaleperturbations are acquired by linearly solving the primitive equations in the log-pressure coordi-nate system with expansion of the small parameters, and then the symmetrically instability crite-rions under conditions of zero-order and first-order approximations and the baroclinic instabilitycriterions under conditions of zero-order approximations are discussed.
- 【文献出处】 气象科学研究院院刊 , 编辑部邮箱 ,1989年03期
- 【被引频次】4
- 【下载频次】142