A new diagnostic quantity-moisture helicity is derived from the moistureequation, and the difinition of helicity, and its influence factors are analyzed in details by the dimensional analysis.
构造了新的诊断量——水汽螺旋度，并对影响水汽螺旋度变化的因子做了分析。
2
With dispersed triplex evaporation and diffusion model and moisture transfer equation, process of evaporation and diffusion in a basin is simulated.
采用分散式的三层蒸散发模型和水分传递方程，模拟流域蒸散发过程。
3
The main source of moisture in the sealed environment is analyzed; the formula of moisture content and equation of equilibrium are given.