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Integrated Use Of Electromagnetic Methods For Hydrogeological Investigations
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 7th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems, Mar 1994, cp-208-00011
Abstract
The widespread problems with the quality of ground water call for a much more detailed and<br>regional covering with geophysical data when performing a hydrogeological investigation. This demands<br>that efficient methods for measurement and for interpretation are developed, and the strategic aspects of<br>data collection and interpretation become important. We present two novel electromagnetic methods:<br>the pulled array continuous electrical profiling and the Ellog auger drilling method, which together with<br>traditional transient electromagnetic soundings and geoelectrical soundings can be combined into an<br>efficient scheme for hydrogeological investigations. It is shown how the dense data coverage obtainable<br>with the combined methods can deliver the detailed knowledge desired, and how the quality and the<br>dependability of the data are much improved.