山西柳林泉域地下水流数值模拟  

作　　者：吴吉春[1] 薛禹群[1] 黄海[1] 张政治[2] 王玉海[2] 

机构地区：[1]南京大学地球科学系,南京210093 [2]山西省电力勘测设计院,太原030001

出　　处：《水文地质工程地质》2001年第2期18-20,共3页Hydrogeology & Engineering Geology

基　　金：国家自然科学基金资助项目 !(4970 2 0 3 7)

摘　　要：柳林泉为裂隙 岩溶泉 ,整个泉域面积约 2 72 7km2 ,且在柳林泉西部及西北部含水岩层组中赋存有大面积的咸水、微咸水。本文建立了平面二维区域地下水渗流模型 ,用于描述柳林泉域的地下水渗流 ,模拟效果良好。模型拟合阶段和检验阶段水头的计算值与观测值误差绝对值的平均值分别为 0 46m、0 5 1m。所有结果显示两者基本一致 ,说明所建模型可以用于实际。据此模型预报了柳林电厂水源地投入使用后对区域地下水流场的影响 。Liulin spring is fracture\|karst spring, with the area of about 2727km 2. There is a large area of brackish and salt water in the fracture\|karst aquifer along the west, northwest of Liulin spring. In this situation, a regional two\|dimensional groundwater flow mathematical model is presented. This model is applied to describe the transport of groundwater of Liulin spring area. The simulated values agree very well with the field data. In the calibration step and examination step, the average absolute errors between the simulated and the observed values for the hydraulic head are 0 46m and 0 51m, respectively. Good comparison between these values demonstrates that the model can be applied to solving practical problems. Thus, the model is used to detect the effect on the regional distribution of hydraulic level and the effect on the flow rate of Liulin spring when the spring is used to as a water supply center for the Liulin power plant.

关 键 词：地下水流 数值模拟 裂隙-岩溶泉 渗流模型 

分 类 号：P641.2[天文地球—地质矿产勘探]