The electrical profiling method has been used widely for decades and has proved to be a powerful technique for mapping near-surface geology. Applications have been manifold: prospecting for raw materials, hydrogeological investigations, road and pip eline construction, etc. During recent years the method has gained a central position in Denmark for the detailed, regional mapping of protective clay caps of aquifers (Christensen and Serensen 1994).
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Kurt Sørensen (1996) studied this question.