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Bayesian approach to magnetotelluric tensor decomposition
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SYSNO ASEP 0348499 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Bayesian approach to magnetotelluric tensor decomposition Author(s) Červ, Václav (GFU-E) ORCID, RID
Pek, Josef (GFU-E) ORCID, RID
Menvielle, M. (FR)Source Title Annals of Geophysics - ISSN 1593-5213
Roč. 53, č. 2 (2010), s. 21-32Number of pages 12 s. Language eng - English Country IT - Italy Keywords galvanic distortion ; telluric distortion ; impedance tensor ; basic procedure ; inversion ; noise Subject RIV DE - Earth Magnetism, Geodesy, Geography R&D Projects IAA200120701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) GA205/04/0746 GA ČR - Czech Science Foundation (CSF) GA205/07/0292 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z30120515 - GFU-E (2005-2011) UT WOS 000282355200002 DOI 10.4401/ag-4681 Annotation Magnetotelluric directional analysis and impedance tensor decomposition are basic tools to validate a local/regional composite electrical model of the underlying structure. Bayesian stochastic methods approach the problem of the parameter estimation and their uncertainty characterization in a fully probabilistic fashion, through the use of posterior model probabilities. We use the standard Groom-Bailey 3-D local/2-D regional composite model in our bayesian approach. We assume that the experimental impedance estimates are contamined with the Gaussian noise and define the likelihood of a particular composite model with respect to the observed data. Workplace Geophysical Institute Contact Hana Krejzlíková, kniha@ig.cas.cz, Tel.: 267 103 028 Year of Publishing 2011
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