峄城东郊水源地地下水资源量均衡评价

Equilibrium evaluation of groundwater resources in eastern suburb of Yicheng

水是经济发展和社会进步的生命线,研究地下水资源赋存规律,计算地下水资源量,对于地下水可持续开发利用及水环境保护具有重要意义。峄城东郊水源地上部为第四系粘性土,下部为奥陶系马家沟组石灰岩,马家沟组石灰岩是主要含水岩层,地下水运动受到峄城断裂、吴林断裂、泥沟断裂和肖桥断裂的影响。根据水源地地下水特征建立均衡方程式,经计算水源地地下水补给量为1.58×10~4m^3/d、排泄量为7.91×10~3m^3/d,当地下水位降深20 m时静储量为1.06×10~7m^3、弹性储量为8.80×10~4m^3。

Water is the lifeline of economic development and social progress. It is of great significance to study the law of the occurrence of groundwater resources and calculate the amount of groundwater resources for the sustainable development and utilization of groundwater and water environment protection. The water source in the eastern suburbs of Yicheng is the Quaternary cohesive soil,the lower part is the Ordovician Majiagou Formation limestone,the Majiagou Formation is the main aquifer,and the groundwater movement is affected by the Yucheng fault,the Wulin fault and the mud trench fault. The impact of the Xiaoqiao fault. According to the characteristics of groundwater in the water source,an equilibrium equation was established. After calculation,the groundwater recharge was 1. 58 × 104 m3/d and the discharge was 7. 91 × 103 m3/d. When the groundwater table dropped 20 m deep,the static reserve was 1. 06 × 107 m3,and the elastic reserve was 8. 80. × 104 m3.