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Three-Dimensional Electromagnetics

Proceedings of the Second International Symposium
Buch | Hardcover
304 Seiten
2002
Elsevier Science Ltd (Verlag)
978-0-444-50429-6 (ISBN)
CHF 159,95 inkl. MwSt
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The magnetotelluric measurements performed in Iceland during the past 20 years provide one and two dimensional data. This volume of papers from the second International Symposium shows how these data sets can be reinterpreted as 3-D geodynamic models.
"3-D modelling and inversion is a reality, and not an illusion." This is the clear conclusion of the Second International Symposium on Three-Dimensional Electromagnetics held at the University of Utah in 1999. Containing papers submitted by 36 authors, this volume, by the sheer number of works, their diversity, and the truly international character of the efforts attests, to the vigour with which the problems of the field are pursued today. The papers in this book are grouped in three parts: 3-D EM modelling; 3-D EM inversion; and 3-D EM in practice. They cover a wide range of topics in forward modelling and inversion based on new fast approximate approaches and new efficient solutions by integral equation, finite difference and finite elements techniques. If the 1980s were the decade of rapid development in 3D seismics, the 1990s became the decade of growing interest of practical geophysicists in 3D EM modelling and inversion methods.

Part I - 3-D EM modelling: an integral equation solution to the geophysical electromagnetic forward-modelling problem, C.G. Farquharson, D.W. Oldenburg; compression in 3-D integral equation modelling, M.S. Zhdanov, O. Portniaguine, G. Hursan; modelling electromagnetic fields in a 3-D spherical earth using a fast integral equation approach, A. Kuvshinov, D. Avdeev, O. Pankratov, S. Golyshev; modelling induction log responses in 3-D geometries using fast integral equation approach, D. Avdeev, A. Kuvshinov, O. Pankratov, G.A. Newman, B. Rudyak; nonlinear approximations for electromagnetic scattering from electrical and magnetic inhomogeneities, A. Cheryauka, M.S. Zhdanov, M. Sato; three-dimensional modelling considering the topography for the case of time-domain electromagnetic method, M. Endo, K. Noguchi; reduced-order modelling of transient diffusive electromagnetic fields, R.F. Remis, P.M. Van den Berg. Part II - 3-D EM inversion: three-dimensional magnetotelluric modelling and inversion - application to sub-salt imaging, G.A. Newman, G.M. Hoversten, D.L. Alumbaugh; 2-D inversion of frequency-domain EM data caused by a 3-D source, Y. Mitsuhata, T. Uchida; 3-D focusing inversion of CSAMT data, O. Portniaguine, M.S. Zhdanov; SGILD EM modelling and inversion using magnetic field equations, Ganquan Xie, Jianhua Li, Chien-Chang Lin; application of a non-orthogonal coordinate system to inverse single-well electromagnetic logging problem, A. Abubakar, P.M. Van den Berg. Part III - 3-D EM in practice: decomposition of three dimensional magnetotelluric data, X. Garcia, A.G. Jones; on the determination of the electrical 3-D conductivity distribution beneath Iceland with long period magnetotellurics, A. Kreutzmann, A. Junge; three-dimensional monitoring of Vadose zone infiltration using electrical resistivity tomography and cross-borehole ground penetrating radar, D. LaBrecque, D.L. Alumbaugh, Xianjin Yang, L. Paprocki, J. Brainard; polarimetric borehole radar approach to fracture classification, M. Sato, M. Takeshita.

Erscheint lt. Verlag 8.7.2002
Reihe/Serie Methods in Geochemistry and Geophysics ; v. 35
Verlagsort Oxford
Sprache englisch
Themenwelt Naturwissenschaften Physik / Astronomie Elektrodynamik
ISBN-10 0-444-50429-X / 044450429X
ISBN-13 978-0-444-50429-6 / 9780444504296
Zustand Neuware
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