摘要
通过物探、钻探手段对沭河盆地的水文地质结构、补径排条件进行研究,建立水文地质模型,并利用GMS数值模拟和内梅罗综合指数法对地下水开采潜力及水质进行评价。结果表明:沭河盆地含水层分布具各向异性,按含水层厚度可划分为两个富水区;地下水补给来源以大气降水和河流侧渗补给为主,排泄途径主要为人工开采,地下水正均衡2 312.85万m3/a;经模拟不同开采情况下地下水变化情况,确定莒县沭河盆地地下水开采潜力为6.1万m3/d;地下水水质达到Ⅲ级及以上标准的区域占总面积的71.4%,基本满足供水质量要求。
The techniques of geophysical prospecting and drilling and the conditions of groundwater recharge, runoff and discharge are used to study the hydrogeological structure in Shuhe Basin. A hydrogeological model has been set up, and an assessment on the groundwater exploitation potential and groundwater quality was made by means of GMS software numerical simulation and Nemoro comprehensive index method. The results show that the aquifers in Shuhe Basin are anisotropic, and can be divided into two water-rich zones according to the thickness of aquifers; atmospheric precipitation and lateral inflow of river are the main recharge ways of groundwater; artificial groundwater exploitation is the main discharge way, the balance of groundwater is 2 312. 85 ×10^4m^3/a. By simulating the changes of groundwater under different exploitation schemes, the groundwater exploitation potential is 6. 1×l0^4m^3/d. The areas in which groundwater quality is superior to Ⅲ level account for 71.4% of the total area, which basically meets the water quality requirements of water supply.
出处
《水资源保护》
CAS
CSCD
2015年第2期65-69,共5页
Water Resources Protection
基金
2010年山东省财政出资地质勘查项目(鲁勘字(2010)115号)
关键词
地下水资源
含水层结构
地下水开采潜力
水资源评价
数值模拟
内梅罗综合指数法
沭河盆地
groundwater resources
aquifer structure
groundwater exploitation potential
water resourcesassessment
numerical simulation
Nemoro comprehensive index method
Shuhe Basin
