the phreatic groundwater both in the diluvial fan of the Qingtongxia gorge and in the fluvial plain is mainly recharged by the influent seepage of irrigation water from the Yellow River.

• 青铜峡洪积扇单一潜水及冲湖积平原上覆潜水，主要接受黄河灌溉水的入渗补给。