位势涡度

广义涡度与位势涡度守恒定律及其应用

Conservative laws on generalized vorticity and potential vorticity and Its Applications

气旋爆发时刻涡度、位势涡度以及垂直上升速度增加并达到最强，气旋在爆发结束后即进入成熟稳定状态。

Specifically , vorticity , potential vorticity , and pressure vertical velocity all rapidly increased and reached to their maximum values when the cyclone was explosively developing . After that , the ST cyclone entered into its mature phase .

卫星水汽图像和位势涡度场在强对流天气分析中的应用

Application of satellite water vapor imagery and potential vorticity field on convection weather analysis

文中利用一个半位势涡度时间不变式对热带斜压大气地转适应过程中的尺度准则进行了研究。

Based on an invariant of semi-potential vorticity , the scale criterion of geostrophic adaptation in tropical baroclinic atmosphere is discussed .

在两种边界条件下用正压大气非线性位势涡度方程模拟了强迫、耗散和非线性共同作用下大气运动的若干特征。

Some characteristics of barotropic atmosphere are illustrated by numerical modeling , basing on a potential vorticity equation with forcing , dissipation , and non-linear interaction .

高空具有高湿位势涡度值的干冷空气叠加在低层扰动上，有利于不稳定层结的加强和降水发生。

The upper level dry and cold air with high moist potential vorticity value was superposed to the low-level disturbance , which was advantageous to instability stratification strength and precipitation .

模态水是由它在温度，盐度，位势涡度的垂直均一性所表征的一类特殊类型的水团，它的垂直均一性来源冬季的深对流过程。

Mode water is a special type of water mass characterized by its vertical homogeneity , such as temperature , density and especially the potential vorticity , which is acquired during the wintertime ( fall and winter ) deep convection processes .

位涡，即位势涡度的简称，是一个综合反映大气动力学和热力学性质的物理量，广泛应用于天气系统的诊断和分析中。

Potential vorticity , which is widely used in the diagnosis and analysis of atmospheric systems , is a physical variable that could synthesized reflect the dynamical and thermodynamics features of atmosphere .