高密度电阻率法在闽南滨海平原区探测降落漏斗中的应用
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摘要
在风-海积平原砂地尝试采用高密度电阻率法探测群孔连续抽水形成的降落漏斗,并和实测水位线相互验证。结果表明采用高密度电阻率法可以探测疏干区的二维形态(深度、宽度),高阻区界线与停止抽水时水位线基本是吻合的,说明了高阻区与疏干区的一致性。同时,根据高阻区的形态可以初步判断地下水位总体上是北高南低,西高东低。因此,通过前期采用高密度电阻率法探测降落漏斗形态,后期利用水位观测进行验证的方法,可快速圈定滨海地下水开采地区或水源地的降落漏斗范围。
This study attempt to use the high-density resistivity method to detect groundwater depression. Meanwhile, the results will have a mutual verification with measured water line. The results showed that the high-density resistivity method could detect two-dimensional shape(including depth and width) in dewatering zone Through comparing, the high-resistance region and the water line basically tallies at the end of water pumping. The practice also prove that the water level is higher in north lower in south, and also higher in west lower in east. Therefore, groundwater depression range in coastal plain or water source areas could be delineated through using the high-density resistivity method at prophase and measuring water level at anaphase.
This study attempt to use the high-density resistivity method to detect groundwater depression. Meanwhile, the results will have a mutual verification with measured water line. The results showed that the high-density resistivity method could detect two-dimensional shape(including depth and width) in dewatering zone Through comparing, the high-resistance region and the water line basically tallies at the end of water pumping. The practice also prove that the water level is higher in north lower in south, and also higher in west lower in east. Therefore, groundwater depression range in coastal plain or water source areas could be delineated through using the high-density resistivity method at prophase and measuring water level at anaphase.
引文
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7 李波,屈利军,易安,等.高密度电法在不稳定斜坡勘察治理中的应用.工程勘察,2018,46(08).
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9 陈礼明.高密度电法在海岸带海水入侵研究中的应用.福建地质,2015,34(03).
10 GB50027-2001 供水水文地质勘察规范.
11 DZ/T0073-2010 电阻率剖面法技术规程.
2 曲克宏,张振权.大安市第二水源地地下水开采降落漏斗预测.吉林地质,2013,32(01).
3 王青霞.大同市城区地下水降落漏斗现状分析.山西水利科技,2018(02).
4 王志刚.东北地区城市地下水降落漏斗问题.吉林水利,1996(11).
5 王学习.高密度电阻率法在断层勘察中的应用.内蒙古石油化工,2018,44(08).
6 吴亚楠.高密度电阻率法在莱芜市泉河地区岩溶地质勘查中的应用.中国岩溶,2018,37(04).
7 李波,屈利军,易安,等.高密度电法在不稳定斜坡勘察治理中的应用.工程勘察,2018,46(08).
8 谢国胜.高密度电阻率法和甚低频电磁法在找水中的应用.南方国土资源,2018(08).
9 陈礼明.高密度电法在海岸带海水入侵研究中的应用.福建地质,2015,34(03).
10 GB50027-2001 供水水文地质勘察规范.
11 DZ/T0073-2010 电阻率剖面法技术规程.