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- Volume 8, Issue 4, 1990
First Break - Volume 8, Issue 4, 1990
Volume 8, Issue 4, 1990
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Two-dimensional resistivity mapping with a computer-controlled array
Authors D.H. Griffiths, J. Turnbull and A.I. OlayinkaThe MRT system is effectively a resistivity imaging system, having been designed to provide information from which the distribution of subsurface resistivity in crosssection along a profile can be determined. It is of particular value in are as where the strata show both lateral and vertical variation in electrical properties. The field technique involves making repeated constant-separation apparent resistivity traverses along the chosen profile, the spacing being incremented at each pass.
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Re-evaluation of Pekeris' one-dimensional resistivity interpretation method
Authors J.E. Simms and F.D. MorganThis paper compares the result of inverting d.c. resistivity data using Pekeris' direct method of interpretation and an indirect non-linear least-squares method. There are two major differences in approach between the direct and indirect methods used in inverting resistivity data. The first is that the direct interpretation method does not require an initial model where as the indirect method does.
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Volume 8 (1990)
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Volume 6 (1988)
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Volume 4 (1986)
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Volume 3 (1985)
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Volume 2 (1984)
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Volume 1 (1983)