The magnetotelluric phase tensor

TG Caldwell, HM Bibby, C Brown - Geophysical Journal …, 2004 - academic.oup.com
The phase relationships contained in the magnetotelluric (MT) impedance tensor are shown
to be a second-rank tensor. This tensor expresses how the phase relationships change with …

2-D versus 3-D magnetotelluric data interpretation

J Ledo - Surveys in Geophysics, 2005 - Springer
In recent years, the number of publications dealing with the mathematical and physical 3-D
aspects of the magnetotelluric method has increased drastically. However, field experiments …

Two-dimensional interpretation of three-dimensional magnetotelluric data: an example of limitations and resolution

J Ledo, P Queralt, A Martí… - Geophysical Journal …, 2002 - academic.oup.com
Interpretation of magnetotelluric (MT) data for three-dimensional (3-D) regional conductivity
structures remains uncommon, and two-dimensional (2-D) models are often considered an …

On two-dimensional modeling of magnetotelluric field data

Y Ogawa - Surveys in Geophysics, 2002 - Springer
In this paper, some recent topics on the modeling of magnetotelluric data are introduced.
The focus is on the handling of real field data for two-dimensional resistivity modeling. First …

Rapid prediction of electric fields associated with geomagnetically induced currents in the presence of three‐dimensional ground structure: Projection of remote …

LR Bonner IV, A Schultz - Space Weather, 2017 - Wiley Online Library
Ground level electric fields arising from geomagnetic disturbances (GMDs) are used by the
electric power industry to calculate geomagnetically induced currents (GICs) in the power …

The effect of initial and prior models on phase tensor inversion of distorted magnetotelluric data

T Rung-Arunwan, W Siripunvaraporn, H Utada - Earth, Planets and Space, 2022 - Springer
Magnetotelluric (MT) data are often distorted by near-surface small-scale lateral
heterogeneities. Inverting distorted MT data may produce artifacts or false anomalies …

Anisotropy and phase splits in magnetotellurics

W Heise, TG Caldwell, HM Bibby, C Brown - Physics of the Earth and …, 2006 - Elsevier
Several recent papers suggesting that the electrical conductivity of the lower crust and upper
mantle are anisotropic have been based upon magnetotelluric (MT) observations of 'phase …

A gradient scaling scheme for the three-dimensional magnetotelluric inversion with galvanic distortion correction

W Kong, N Yu, X Li, Z Chen, H Zhang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Galvanic distortion (GD) resulting from near-surface heterogeneity has long been
considered a major impediment to the accurate interpretation of magnetotelluric (MT) data …

On the Berdichevsky average

T Rung-Arunwan, W Siripunvaraporn… - Physics of the Earth and …, 2016 - Elsevier
Through a large number of magnetotelluric (MT) observations conducted in a study area,
one can obtain regional one-dimensional (1-D) features of the subsurface electrical …

Electrical resistivity imaging of the Northeast Carpathian Volcanic Arc with 3‐D magnetotellurics reveals shallow hydrothermal system

M Neukirch, A Minakov, M Smirnov… - Journal of …, 2024 - Wiley Online Library
The Carpathian belt is one of Europe's major metallogenic provinces, where magmatic ore
mineralization is associated with the past subduction environment. The upper crust is …