wind shear

By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.

根据可压缩情况下的流体力学方程组，导出垂直切变风场中大气声重波的谱方程。

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Unstable development of internal inertial gravity waves on the wind shear lines

风速切变线上重力惯性波的不稳定发展

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Characters of dynamic response with near-ground wind shear encounter and research of flight trajectory of H-6 aircraft

H-6飞机在低空风切变中的动态响应特性和下滑航迹的研究

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The product of vertical wind profile ( VWP) which based on VAD methods are introduced detailedly. This product is useful to ascertain the type of thermal advection, the shear of vertical wind, etc.

详细介绍了基于VAD技术的垂直风廓线产品（VWP）的应用技术，此产品对确定热力平流类型、垂直风切变等都是有用的。

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Using the mechanism of vertical and horizontal wind shear, we simulate the forming process of the mid-latitude sporadic E led by tides and planetary waves.

然后，从垂直风剪切和水平风剪切的基本思想出发，对潮汐和行星波形成中纬Es的过程进行了数值模拟研究；

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The evolution and characteristics of gravity waves excited by a temporal and spatial Gaussian-varying thermal source, and their interactions with wind shear are studied.

研究了剪切风场中，随时空高斯分布的宽谱热源激发重力波的详细过程及其特性，以及激发波与剪切风场的相互作用。

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The widely accepted Bagnold type function to calculate threshold wind velocity or shear velocity was developed for dry sands.

在土壤风蚀研究中，Bagnold建立的干沙子的起动风速与沙粒粒径关系的表达式已被广泛接受。

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Based on the tendency equation of turbulent kinetic energy, its simplified equation including only wind shear and air stability was derived.

基于湍流动能倾向方程，推导出了其只含风切变和大气稳定度的简化方程。

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Under the weak vertical wind shear condition, several meso β clouds, the convective systems directly related to the torrential rain, develop strongly in vertical like towers within a meso α cloud;

在弱的风垂直切变环境下，梅雨锋中α对流云系中有数个中β尺度云呈塔状强烈垂直发展，它们是造成暴雨的中β尺度对流系统。

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