大武水源地裂隙岩溶区示踪试验研究  

Research on Tracer Test in the Fractured Karst Region of Dawu Water Source Area

作　　者：朱恒华[1] 杨丽芝[1] 边农方 王孝勤 邢立亭 黄林显 曹倩倩 ZHU Henghua;YANG Lizhi;BIAN Nongfang;WANG Xiaoqin;XING Liting;HUANG Linxian;CAO Qianqian(Shandong Institute of Geological Survey,Jinan 250013,China;Water Resource Management Office of Zibo City,Zibo 255032,China;Aministrative Office of Dawu Water Sources Area,Zibo 255400,China;School of Water Conservancy and Environment,University of Jinan,Jinan 250022,China;Engineering Technology Institute for Groundwater Numerical Simulation and Contamination Control,Jinan 250022,China)

机构地区：[1]山东省地质调查院,山东济南250013 [2]淄博市水资源管理办公室,山东淄博255032 [3]淄博市大武水源地管理处,山东淄博255400 [4]济南大学水利与环境学院,山东济南250022 [5]山东省地下水数值模拟与污染控制工程技术研究中心,山东济南250022

出　　处：《人民黄河》2021年第3期97-101,共5页Yellow River

基　　金：国家自然科学基金资助项目(41772257,41472216);山东省自然科学基金资助项目(ZR2019MD029);山东省高等学校科技计划项目(J17KA191)。

摘　　要：为在淄博大武水源地遭受污染地区合理布置治理工程,在堠皋试验区进行裂隙岩溶水示踪试验,分析试验区地下水流向,了解金岭断裂两侧水力联系。结果表明:示踪剂运移方向主要为12°和104°方向,优势主流方向为104°;示踪剂浓度与水力坡度、速度、观测孔距离无明显相关关系,试验区岩溶介质具有非均质各向异性特征;地下水视流速大多超过100 m/d,说明研究区地下水流动迅速,污染物运移以对流为主;研究区灰岩断裂构造为张性断裂,导水性良好,对地下水流动有促进作用;研究区含水层岩溶发育不均一,溶孔、溶隙、裂隙、管道、溶洞并存。Tracer test was done in fracturekarst aquifer of Hougao test site of Dawu water source area in order to make a thorough investigation of hydrogeological condition for remediation.We analyzed groundwater flow field,investigated the hydraulic connection across Jinling fault based on the tracer test.The results show that a)the tracer migration directions are mainly for 12°and 104°and the preferential mainstream direction is 104°;b)there is no correlation between tracer concentration and the potential factors including hydraulic gradients,flow velocities and the distance of observation wells;this indicates that the regional karstified media studied here are heterogeneous and anisotropic;the apparent velocities of groundwater are very fast and the transportation of pollutions are mainly convection;c)the tensional fault zones of limestone are welldeveloped;this leads to high hydraulic conductivity that can promote groundwater flow and;d)the development of aquifer is heterogeneous as well,where karst zones are featured by the coexistence of dissolving hole,dissolving gap,fissure,conduit,and karst cave.

关 键 词：大武水源地 裂隙岩溶水 示踪试验 钼酸铵 

分 类 号：P641.2[天文地球—地质矿产勘探]