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大规模开采条件下地下水位动态特征与开发评价——以山东双村岩溶水系统为例 被引量:1

Dynamic Characteristics and Development Evaluation of Groundwater Level under Large Scale Mining
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摘要 以山东双村岩溶水系统为例,在长期动态监测的基础上,对岩溶水水动力特征进行详细刻画。受开采、补给和自身调节的共同影响,双村岩溶水系统经历自然均衡期、采补均衡期和超采期等3个不同的时期;大规模开采条件下,大气降水、地表水、孔隙地下水与岩溶地下水的补排关系转化明显,同时碳酸盐岩溶蚀作用增强、岩溶含水介质再造,使得双村岩溶水系统的自我调节能力增强。从多年水位动态特征来看,当开采量≤25×10^(4) m^(3)/d时,含水系统处于多年动态平衡状态。因此,认为双村岩溶水系统可采资源量为25×10^(4) m^(3)/d较为合理。 Taking Shuangcun karst water system in Shandong Province as an example,the hydrodynamic characteristics of karst water are described in detail on the basis of long-term dynamic monitoring.Affected by mining,replenishment and self-regulation,the karst water system in Shuangcun Village has experienced three different periods,namely,natural equilibrium period,mining-compensation equilibrium period and over-exploitation period.Under the condition of large-scale mining,the recharge-discharge relationship between atmospheric precipitation,surface water,pore groundwater and karst groundwater is obviously transformed.At the same time,the dissolution of carbonate rocks is enhanced and the karst aquifer medium is reconstructed,which enhances the self-regulation ability of karst water system in Shuangcun Village.From the dynamic characteristics of multi-year water level,when the mining volume is not more than 25×10^(4) m^(3)/d,the aquifer system is in a multi-year dynamic equilibrium state.Therefore,it is reasonable that the recoverable resources of Shuangcun karst water system are 25×10^(4) m^(3)/d.
作者 周亚醒 朱凤娜 付一夫 陈芳 许鹤鹏 Zhou Yaxing;Zhu Fengna;Fu Yifu;Chen Fang;Xu Hepeng(Shandong Provincial Lunan Geology and Exploration Institute(Second Geological Brigade of Shandong Provincial Bureau of Geology and Mineral Resources),Jining,Shandong 272100;Jining Key Laboratory of Karst Geology,Jining,Shandong 272100)
出处 《资源环境与工程》 2021年第4期516-520,共5页 Resources Environment & Engineering
基金 山东省国土资源厅地质环境项目“山东省地下水资源调查评价(鲁西南)”(鲁地环〔2016〕02号)。
关键词 岩溶水 大规模开采 水位动态 开发评价 karst water large-scale mining water level regime development evaluation
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