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为分析林带的排水作用，合理评价与利用水资源，该文应用土壤水动力学原理，建立了林带－农田蒸散条件下的土壤水动力学模型；通过参数的测定与选用，模拟了土壤水分与地下水位的动态变化；并通过算例表明，该模型用来模拟林带－农田中的地下水动态变化是可行的。
In order to analyze the drainage effect of the forest belt and reasonably evaluate and utilize the water resources, the soil hydrodynamics model under the condition of forest zone-farmland evapotranspiration was established by applying the principle of soil hydrodynamics. Through the determination and selection of the parameters, the effects of soil moisture and The dynamic change of groundwater level is demonstrated. The results show that this model is feasible to simulate the dynamic change of groundwater in forest belt-farmland.