PROBLEMS OF GEOCOSMOS

In work the question on the resolvability of two conductive bodies located close to each other has
been investigated. Results of interpretation are presented in Fig. 6. Red color notes the true models. The
considered models are reliably distinguished.
Depth (km)
Depth (km)
Proceedings of the 7th International Conference "Problems of Geocosmos" (St. Petersburg, Russia, 26-30 May 2008)
-50
-100
-50
-100
Distance along profile (km)
-200 -100 0 100 200
Distance along profile (km)
-200 -100 0 100 200
Fig. 6. The 2D Interpretation of two close located conductive bodies. Red colour notes the true models.
References
lg [Ohm ⋅m]
Backus, G., and F. Gilbert (1967), Numerical applications of a formalism for geophysical inverse problems.
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Christensen-Dalsgaard, J., P. Hansen, and M. Thompson (1993), Generalized singular-value decomposition
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Yanovskaya, T.B. and L.N. Porokhova (2004), The inverse problem of geophysics, SPbU, 214.
Menke, W. (1989), Geophysical Data Analysis: Discrete Inverse Theory, Academic Press, Inc.
Pedersen, L. (2004), Determination of the regularization level of truncated singular-value decomposition: the
case of 1D inversion of MT data, Geophys. Prospect., 52(4), 261-270.
Porokhova, L.N., and M.N. Kharlamov (1990), The solution of the one-dimensional inverse problem for
induction sounding by an efficient linearization technique, Earth and Planet. Inter., 60, 68-79.
Tikhonov, A.N., and V.Y. Arsenin (1977), Solution of ill-posed problems. Winston and Sons, 258 pp.
Vagin, S.A. (2004), Algorithms of two-stage building of 1D и 2D geoelectrical sections by control
transformation method, Voprosi geofiziki, 36, SPbU, 156-163 (in Russian).
329
3.2
3
2.8
2.6
2.4
2.2
2
1.8
1.6
1.4
1.2