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| TRANSITION REGION ELECTROMAGNETIC FIELD CHARACTERISTICSOF THE CSAMT METHOD |
| LIN Wei |
| Anhui Institute of Geophysical and Geochemical Exploration Technology, Hefei 230022, China |
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Abstract Based on an analysis of the frequency sounding curve of the CSAMT method (controlled source audio-frequency electromagnetic method), the authors have found that the curve intersects the curve in the transition region. The physical mechanism of such a phenomenon was studied, and a method for correcting the curve in the transition region was put forward. It is shown that the corrected curve is quite consistent with the actual stratigraphic electric character.
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Published: 10 April 2009
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