| 利用瞬变电磁技术进行地下水资源勘察 |
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| 引用本文： | 嵇艳鞠,王艳,林君,朱凯光,李海生,陈祖斌.利用瞬变电磁技术进行地下水资源勘察[J].工程勘察,2005(6):64-67. |
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| 作者姓名： | 嵇艳鞠 王艳 林君 朱凯光 李海生 陈祖斌 |
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| 作者单位： | 吉林大学智能仪器与测控技术研究所,长春,130026;内蒙古牧区水利研究所,呼和浩特,025500 |
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| 基金项目： | 国家自然科学基金项目(40074045)，吉林大学校内创新基金资助 |
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| 摘 要： | 为了解决内蒙古白旗地区水资源严重短缺的问题,采用瞬变电磁技术在该区进行了勘察。通过分析平原地区含水层的矿化度和孔隙度对岩石电阻率的影响,并以导电球体的模型计算地下含水层异常的可分辨时间窗口,确定该区地下含水层异常出现最大值的探测条件。在结合已知自流井的电性差异基础上,对地下含水层和含水深度进行准确勘察,确定新的水井位置,经钻孔验证涌水量满足了白旗地区供水水源的需求。
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| 关 键 词： | 瞬变电磁技术 地下含水层 岩石电阻率 时间窗口 |
Prospecting of Groundwater by Using Transient-electromagnetic Method |
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| Ji Yanju et al..Prospecting of Groundwater by Using Transient-electromagnetic Method[J].Geotechnical Investigation & Surveying,2005(6):64-67. |
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| Authors: | Ji Yanju |
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| Affiliation: | Ji Yanju et al. |
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| Abstract: | In order to resolve the problem of the severely lack of the water resource in Beiqi Area of Neimenggu,the prospecting in the area is carried out by using the method of transient-electromagnetic wave.Through the analysis on the influence of the mineralized degree and the void ratio of aquifers to the resistivity of rock and the calculation of the differentiable time window of the aquifers by the model of the conductive sphere,the exploring condition for the maximum abnormal value of aquifer in the area is determined.Based on the electric difference of the known artesian wells,the location and the depth of aquifers are exactly prospected.The position of new-decided wells can meet the need for water resources in Beiqi Area. |
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| Keywords: | TEM(transient electromagnetic method) aquifer resistivity of rock time window |
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