International Journal of Geosciences

Volume 7, Issue 10 (October 2016)

ISSN Print: 2156-8359   ISSN Online: 2156-8367

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The Effects of Negative Values of Apparent Resistivity in TEM Surveys

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DOI: 10.4236/ijg.2016.710088    2,357 Downloads   3,151 Views   Citations


The calculation of apparent resistivity in electrical methods is relatively simple and consolidated in the literature. Furthermore, in the case of DC methods, the apparent resistivity values are for the most part, intuitive and enable an initial interpretation of the results. On the other hand, in TEM method the apparent resistivity values are not very intuitive and interpretation based only on the apparent resistivity values cannot be done reasonably. In this way, this paper presents a discussion about the reasons and effects of the negatives values of apparent resistivity in TEM soundings. The main objective of this paper is to clarify the meanings of these negatives values and the possible effects in TEM inversion.

Cite this paper

Bortolozo, C. , Campaña, J. , Junior, M. , Porsani, J. and dos Santos, F. (2016) The Effects of Negative Values of Apparent Resistivity in TEM Surveys. International Journal of Geosciences, 7, 1182-1190. doi: 10.4236/ijg.2016.710088.

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