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内蒙古阿拉善右旗地区常年干旱少雨,蒸发量远大于降雨量,水资源严重缺乏。本文介绍了右旗花岗岩地区地下含水构造特点,并结合当地地形地貌条件的特殊性,扬长避短采取EH-4连续电导率成像仪进行AMT法(音频大地电磁法)测量,以基岩区浅层破碎带及风化壳存水为探测目标,最终取得了很好的勘探效果,在一定程度上解决了当地老百姓的用水困难。实践证明,在地形地貌条件有很强的局限性并且传统直流电法难以施展的地区建立合理的地球物理模型,进行AMT法测量,在该类地下水勘查工作中有着很好的实用性和推广性。
Inner Mongolia Alashan Right Banner perennial drought, evaporation is much larger than the rainfall, a serious lack of water resources. In this paper, the characteristics of subsurface aquifer structure in Youqi granite area are introduced. Combined with the particularity of local terrain conditions, the EH-4 continuous conductivity imager is adopted to carry out AMT (Audio Magneto-Electromagnetic Method) Belt and weathered shell water as the detection target, and ultimately achieved good exploration results, to a certain extent, solve the local people’s water problems. Practice has proved that in the terrain conditions have very strong limitations and the traditional DC method is difficult to establish a reasonable geophysical model, AMT measurement, in such groundwater exploration work has a very practical and promotional.