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On the Three Dimensional Mass-Weighted Isentropic Time Mean Equation for Rossby Waves

机译:关于Rossby波的三维大规模加权等熵时间均值方程

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The mass-weighted isentropic zonal mean (Z-MIM) equations derived by T. Iwasaki are powerful tools for diagnosing meridional circulation and wave-mean interaction, especially for the lower boundary and unstable waves. Recently, some studies have extended the equations to three dimensions by using the time mean instead of the zonal mean. However, the relation between wave activity flux and residual mean flow (not mass-weighed mean flow) is unclear. In the present study, we derive the three-dimensional (3D) wave activity flux and residual mean flow for Rossby waves on the mass-weighted isentropic time mean equations. Next, we discuss the relation between the obtained formulae and 3D transformed Eulerian-mean (TEM) equations.
机译:由T.Iwasaki导出的大规模加权等熵区平均(Z-MIM)方程是用于诊断子午线循环和波平相互作用的强大工具,特别是对于下边界和不稳定的波。最近,一些研究通过使用时间均值而不是区分均值来将方程延伸到三维。然而,波浪活性通量与残余平均流量(不是质量称重平均流量)之间的关系尚不清楚。在本研究中,我们在大规模加权等熵时间均值方程上得出了rossby波的三维(3D)波活度通量和残余平均流。接下来,我们讨论所获得的公式和3D变换的欧拉平均值(TEM)方程之间的关系。

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