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山东淄博沣水泉域岩溶水系统模拟及水源地优化开采预测
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引用本文:郭达鹏,康凤新,陈奂良,成建梅,罗 伟.山东淄博沣水泉域岩溶水系统模拟及水源地优化开采预测[J].中国岩溶,2017,36(3):327-338.
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作者单位
郭达鹏 中国地质大学(武汉) 环境学院 
康凤新 山东省地质矿产勘查开发局 
陈奂良 山东省地矿工程勘察院 
成建梅 中国地质大学(武汉) 环境学院 
罗 伟 四川省地质矿产勘查开发局成都水文地质工程地质中心中国地质大学(武汉) 环境学院 
基金项目:山东省沣水泉域水文地质环境地质调查(12120113103900)
中文摘要:沣水泉域岩溶水系统是淄博市及周边地区最主要的供水水源,因原有大武水源地水质严重污染,急需开辟新的水源地,故须重新开展泉域岩溶水资源评价和开采规划工作。文章在充分概化研究区水文地质概念模型的基础上,借助FeFlow软件,建立了基于等效连续介质的三维非均质各向异性岩溶水模型,并利用2016年水位动态数据对模型进行识别和验证。经模型计算可知,在2000-2015年,研究区岩溶地下水日均补给量为104.47万m3/d,排泄量为80.27万m3/d,正均衡24.20万m3/d。对原大武水源地与新增刘征水源地优化开采方案预测的结果表明,最优开采方案为:(1)保持大武水源地现状35.91万m3/d开采条件下,刘征水源地最大开采量为5.5万m3/d,刘征 -大武富水地段最大可开采量为41.41万m3/d;(2)满足刘征 -大武富水地段最大开采条件,大武水源地最大可减采至33.41万m3/d,刘征最大开采量为8万m3/d。
中文关键词:岩溶地下水  地下水数值模拟  优化开采  FeFlow  沣水泉域
 
Numerical simulation and optimal exploitation scheme for the karst groundwater recourses system of Fengshui spring basin in Zibo region, Shandong Province,China
Abstract:The Fengshui karst spring system is the most important groundwater resources for water supply in the area of Zibo, Shandong Province. Due to serious industrial pollution of the previous water source in Dawu area, a new water source located in Liuzheng area is identified and explored to carry out the re-assessment of the karst groundwater resources availability and then come up with an optimal exploitation scheme. Through understanding hydrogeological conditions and establishing conceptual model of the study area, a three-dimensional, heterogeneous and anisotropic karst water model has developed by using FeFlow software, based upon the equivalent continuum porous media theory and using the data derived from the 16 year borehole monitoring data. The results of water balance calculation from 2000 to 2015 shows that the average groundwater recharge of the study area is 1.0447×106 m3/d and the average discharge is 8.027×105 m3/d, with a net positive surplus of 2.420×105 m3/d. The model prediction results for the optimal pumping of the karst groundwater suggest that, (1) To maintain the current groundwater exploitation with 3.591×105 m3/d in the Dawu area, the maximum exploitation should be 5.5×104 m3/d in the Liuzheng area, and the total exploitation in the Liuzheng-Dawu area is up to 4.141×105 m3/d; (2) To meet the need of maximum permissive groundwater exploitation in the Liuzheng-Dawu area, the maximum exploitation quantity can be decreased to 3.341×105 m3/d for Dawu area and increased to 8×104 m3/d for Liuzheng area.
keywords:karst groundwater system, numerical modeling, optimized exploitation scheme, FeFlow software, Fengshui spring basin
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