According to different demand and intentions,three 2D water quality models were suggested here: continuous point source model,instantaneous point source model,and numerical model with FVM solution.

• 根据水质预测、管理的不同需求,提出基于二维对流扩散方程的三种水质计算模式:连续点源排放水质模型,瞬时点源排放水质模型,有限体积法求解的数值解水质模型。