MT+, integrating magnetotellurics to determine earth structure, physical state, and processes
By: P. A. Bedrosian
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Abstract
As one of the few deep-earth imaging techniques, magnetotellurics provides information on both the structure and physical state of the crust and upper mantle. Magnetotellurics is sensitive to electrical conductivity, which varies within the earth by many orders of magnitude and is modified by a range of earth processes. As with all geophysical techniques, magnetotellurics has a non-unique inverse problem and has limitations in resolution and sensitivity. As such, an integrated approach, either via the joint interpretation of independent geophysical models, or through the simultaneous inversion of independent data sets is valuable, and at times essential to an accurate interpretation. Magnetotelluric data and models are increasingly integrated with geological, geophysical and geochemical information. This review considers recent studies that illustrate the ways in which such information is combined, from qualitative comparisons to statistical correlation studies to multi-property inversions. Also emphasized are the range of problems addressed by these integrated approaches, and their value in elucidating earth structure, physical state, and processes. ?? Springer Science+Business Media B.V. 2007.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | MT+, integrating magnetotellurics to determine earth structure, physical state, and processes |
| DOI | 10.1007/s10712-007-9019-6 |
| Volume | 28 |
| Issue | 2-3 |
| Year Published | 2007 |
| Language | English |
| Larger Work Title | Surveys in Geophysics |
| First page | 121 |
| Last page | 167 |
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