Lagrange变分和大气中惯性重力内波的稳定性

LAGRANGE VARIATIONAL PRINCIPLES AND THE INSTABLITY OF INTERNAL INERTIAL GRAVITY WAVE IN THE ATMOSPHERE

本文利用Lagrange变分导出了惯性重力内波的波作用量方程,这种方程与用KWB方法所得到的惯性重力内波的波作用量方程在形式上有所不同,但所得到的结果却与观测事实是一致的。

In this paper, the wave action equation of internal inertial gravity wave is obtained by using Lagrange variational principles, which is different with that one by WKB method, however, the result obtained in this paper is consistent with observations in the atmosphere.