The predicted result with BP network is equivalent with that of numerical solution,R2 =0.949. BP Prediction model reflected the dynamic relation between solute content and moving time and distance.

• 其预测结果同数值解相比；R2=0.；949；精度基本一致。 可见BP网络预测模型反映了溶质穿透过程中；土壤溶质含量与运移时间和距离的动态关系;