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为描述潮汐河口盐水入侵特性而建立了垂向二维数学模型。
To describe the characteristics of salt intrusion in tidal estuaries, a numerical model is established for vertical two-dimensional unsteady flow.
所建立的地下水垂向剖面的二维水量水质模型，对典型剖面中地下水的硝态氮污染进行了模拟和分析。
Two-dimension groundwater quantity and quality model in the vertical profile is made to carry out the simulation and analysis of nitrate-N pollution of the groundwater in the typical profile.
对上游潜水和中下游承压水用二维侧向流数学模型，对中下游弱潜水用一维垂向流数学模型。
The middle lower reach is also subdivided vertically into weak phreatic aquifer in the upper part and strang confined aquifer in the lower.
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