地转平衡

文中研究了处于地转平衡状态的切变基流中的地转适应过程。

The geostrophic adjustment process with the basic current in shear is studied .

非地转平衡流激发的重力惯性波对梅雨锋暴雨影响的动力学研究

Dynamic study on influence of gravity wave induced by unbalanced flow on Meiyu front heavy rain

为此，本文中引进长波低频近似，这时纬圈运动基本上满足地转平衡。

So the longwave , low frequency approximation is adopted in this paper , that is , the zonal motions satisfy the geostrophic equilibrium .

利用数值模式的高分辨率模拟结果研究了夏季东亚副热带西风急流短期强度变化过程中的非地转平衡特征。

Highresolution data from numerical model simulation are used to study the ageostrophic characteristics of shortterm process of East Asian subtropical westerly jet in summer .

在地球和行星上的流体大尺度运动中，压力梯度力与科氏力经常处于准平衡状态（地转平衡）；

The large-scale motion of fluid on the Earth is always in " quasigeostrophic balance ", i.e. the pressure gradient foree is balanced by Coriolis force .

而对流层高层短波扰动的正涡度平流通过非地转平衡过程，引发中高层产生的上升运动，触发了潜在不稳定的释放。

Moreover , the positive vorticity advection of short wave disturbance in the upper troposphere initiated the ascending motion at the upper level and the releasing of the latent instability by ageostrophic balance processes .

全球纬向平均的简化经向运动方程精度检验结果证明中高纬地区以地转风平衡为主，低纬以该简化关系为主。

For the case of global-zonal average , the results confirm that geotropic approximation is applicable in higher latitudes and the gradient balance approximation in lower latitudes .

次天气尺度系统中的非地转运动和广义平衡模式

The ageostrophic motion in subsynoptic scale systems and the generalized balance model