Nonlinear conjugate gradients algorithm for 2-D magnetotelluric inversion
W Rodi, RL Mackie - Geophysics, 2001 - library.seg.org
We investigate a new algorithm for computing regularized solutions of the 2-D
magnetotelluric inverse problem. The algorithm employs a nonlinear conjugate gradients …
magnetotelluric inverse problem. The algorithm employs a nonlinear conjugate gradients …
[BOOK][B] The magnetotelluric method: Theory and practice
The magnetotelluric method is a technique for imaging the electrical conductivity and
structure of the Earth, from the near surface down to the 410 km transition zone and beyond …
structure of the Earth, from the near surface down to the 410 km transition zone and beyond …
The magnetotelluric method
K Vozoff - 1991 - pubs.geoscienceworld.org
In the magnetotelluric (MT) method, natural electromagnetic fields are used to investigate
the electrical conductivity structure of the earth. Natural sources of MT fields above about 1 …
the electrical conductivity structure of the earth. Natural sources of MT fields above about 1 …
An efficient data-subspace inversion method for 2-D magnetotelluric data
There are currently three types of algorithms in use for regularized 2-D inversion of
magnetotelluric (MT) data. All seek to minimize some functional which penalizes data misfit …
magnetotelluric (MT) data. All seek to minimize some functional which penalizes data misfit …
Rapid inversion of two‐and three‐dimensional magnetotelluric data
JT Smith, JR Booker - Journal of Geophysical Research: Solid …, 1991 - Wiley Online Library
We have developed an efficient iterative inversion method applicable to both two‐
dimensional (2D) and three‐dimensional magnetotelluric data. The method approximates …
dimensional (2D) and three‐dimensional magnetotelluric data. The method approximates …
Controlled source audio-frequency magnetotellurics
KL Zonge, LJ Hughes - 1991 - pubs.geoscienceworld.org
Controlled source audio-frequency magnetotellurics (CSAMT) is a frequency-domain
electromagnetic sounding technique which uses a fixed grounded dipole or horizontal loop …
electromagnetic sounding technique which uses a fixed grounded dipole or horizontal loop …
A stable finite element solution for two-dimensional magnetotelluric modelling
PE Wannamaker, JA Stodt, L Rijo - Geophysical Journal …, 1987 - academic.oup.com
We report herein on a finite element algorithm for 2-D magnetotelluric modelling which
solves directly for secondary variations in the field parallel to strike, plus the subsequent …
solves directly for secondary variations in the field parallel to strike, plus the subsequent …
Near-surface and topographic distortions in electromagnetic induction
GR Jiracek - Surveys in geophysics, 1990 - Springer
The most revealing description of electromagnetic (EM) distortions due to near-surface
inhomogeneities and topography is in terms of galvanic and inductive effects. In either case …
inhomogeneities and topography is in terms of galvanic and inductive effects. In either case …
Partial melting in the Central Andean crust: a review of geophysical, petrophysical, and petrologic evidence
FR Schilling, RB Trumbull, H Brasse… - The Andes: Active …, 2006 - Springer
The thickened crust of the Central Andes is characterized by several first-order geophysical
anomalies that seem to reflect the presence of partial melts. Magnetotelluric and …
anomalies that seem to reflect the presence of partial melts. Magnetotelluric and …
Magnetotellurics: Principles and practice
K Vozoff - Proceedings of the Indian Academy of Sciences-Earth …, 1990 - Springer
This paper reviews the magnetotelluric (MT) method with emphasis on recent improvements
and the emerging applications. Recent improvements are in recognition of statics effects and …
and the emerging applications. Recent improvements are in recognition of statics effects and …