摘要
This paper analyzes deep groundwater recharge and drainage amounts in the northern suburb of Zhengzhou. Under the status conditions and the exploitation conditions, the hydro-geological condition analysis and balanced analysis are studied. It concludes that under the status conditions groundwater recharge amount is 7 152 m3/d, drainage amount of 7 134 m3/d, the balanced difference of 18 m3/d; under the exploitation conditions, groundwater recharge amount is 46 301m3/d, drainage amount of 46 320m3/d, the balanced difference of-19m3/d.