本文建立湿位涡方程、提出不守恒基本判据、分析不守恒运动的动力特征，尤其指出在湿中性层结区域非绝热加热和外作用力场对运动的激发作用。
In this paper a set of equations of wet potential vorticity is founded, the basiccriterion of non-conservation is set up, and the dynamics character of the non-conservationmotion is analysed.
湿 Q 矢量最大特点就是考虑了非绝热加热作用，各种湿Q矢量差异也主要表现在对非绝热加热计算处理方案的不同。
Considering diabatic heating is the most notable feature of moist Q vector, and the difference among moist Q vectors is caused by differing conductional methods of diabatic heating.
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