But in order to accurately evaluate groundwater resources, it must find out the replenishment source of groundwater for providing the technique ba.
但为了准确评价地下水资源，为地下水的开发利用提供技术依据，必须查明地下水的补给来源。
2
The surface water, precipitation and undercurrent are main to the groundwater in well irrigated area while in plain area surface water and rainfall are main replenishment.
井灌区地下水主要靠地表水、降雨和潜流补给，平原井灌区主要靠地表水和降雨补给。
3
The foreground of multi-source utilization of rain water and flood, recharge and replenishment, water reuse, and the method of operation and scheduling rule of groundwater reservoir were established.