Study on Soil Water Infiltration Process and Model Applicability of Check Dams

As the primary ecological construction measure on Loess Plateau, check dams play an essential role in developing agricultural production, improving people’s production and life, replenishing groundwater. Soil water infiltration is most important way to replenish groundwater dam land. In order investigate process of dams, empirical model suitable for simulation land was selected. The soil studied by a field test simulation. results showed that there were few macropores dam, mainly moved downwards form matrix flow. Moreover, stable rate site low, its could be divided into three stages: rapid infiltration, fluctuating infiltration. addition, non-silted dense layer 2.4~5 times silted layer. Horton had good fitting effect thus prediction dam. can provide theoretical basis efficient utilization