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苏丹达尔富尔地区水文地质条件复杂,地下水资源十分贫乏。该区的地下水储存体主要为花岗岩风化裂隙和构造裂隙,而且分布极不均匀。在此地区执行水源勘探任务遇到的最大困难是没有当地的水文地质资料,工作难度很大。本文通过电阻率测深法和激发极化法结合钻探验证结果,在达尔富尔地区执行地下水勘探中的成功运用,介绍了两种物探方法的组合形式在地下水勘探中是一种行之有效的地球物理勘查模式,能够取得良好的物探效果。
The hydrogeological conditions in Darfur, Sudan, are complex and groundwater resources are poor. The groundwater storage in this area is mainly granite weathering fractures and structural fractures, and the distribution is extremely uneven. The greatest difficulty in carrying out water exploration tasks in this area is the lack of local hydrogeological data, which is extremely difficult to work with. In this paper, the successful application of groundwater exploration in Darfur through resistivity sounding and excitation polarization combined with drilling validation results shows that the combination of the two geophysical methods is effective in groundwater exploration Geophysical exploration mode, to achieve good geophysical results.