WALDIM: A code for the dimensionality analysis of magnetotelluric data using the rotational invariants of the magnetotelluric tensor

Computers and Geosciences

Volumn 35, Issue 12, 2009, Pages 2295-2303

  Marti A ^a   Queralt, P ^a   Ledo, J ^a  

^a UNIVERSITY OF BARCELONA   (Spain)

Author keywords

Geoelectric dimensionality; Magnetotelluric tensor rotational invariants

Indexed keywords

APRIORI; DATA ANALYSIS; DATA CORRECTIONS; DATA ERRORS; DIMENSIONALITY ANALYSIS; FORTRAN CODES; GEOELECTRIC; GEOELECTRIC DIMENSIONALITY; MAGNETOTELLURIC DATA; MAGNETOTELLURIC TENSOR ROTATIONAL INVARIANTS; MAGNETOTELLURICS; NOISY DATA; NUMERICAL CODE; ROTATIONAL INVARIANTS; SOFTWARE UTILITIES; THREE-DIMENSIONAL (3D);

ERRORS; FREQUENCY BANDS; TENSORS; THREE DIMENSIONAL;

TELLURIC PROSPECTING;

DATA INTERPRETATION; GEOELECTRIC FIELD; MAGNETOTELLURIC METHOD; NUMERICAL METHOD;

EID: 70350203974     PISSN: 00983004     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.cageo.2009.03.004     Document Type: Article

References (20)

1. Bahr K. Interpretation of the magnetotelluric impedance tensor: regional induction and local telluric distortion. Journal of Geophysics 62 (1988) 119-127
2. Bahr K. Geological noise in magnetotelluric data: a classification of distortion types. Physics of the Earth and Planetary Interiors 66 (1991) 24-38
3. Caldwell T.G., Bibby H.M., and Brown C. The magnetotelluric phase tensor. Geophysical Journal International 158 (2004) 457-469
4. Fischer G., and Masero W. Rotational properties of the magnetotelluric impedance tensor, the example of the Araguainha impact crater, Brazil. Geophysical Journal International 119 (1994) 548-560
5. Groom R.W., and Bailey R.C. Decomposition of the magnetotelluric impedance tensor in the presence of local three-dimensional galvanic distortion. Journal of Geophysical Research 94 (1989) 1913-1925
6. Jones A.G., and Craven J. The North American Central Plains conductivity anomaly and its correlation with gravity, magnetic, seismic, and heat flow data in Saskatchewan, Canada. Physics of the Earth and Planetary Interiors 60 (1990) 169-194
7. Jones A.G. The COPROD2 dataset: Tectonic setting, recorded MT data and comparison of models. Journal of Geomagnetism and Geoelectricity 45 (1993) 933-955
8. Kaufman A.A. Reduction of the geological noise in magnetotelluric soundings. Geoexploration 25 (1988) 145-161
9. Ledo J., Queralt P., Martí A., and Jones A.G. Two-dimensional interpretation of three-dimensional magnetotelluric data: an example of limitations and resolution. Geophysical Journal International 150 (2002) 127-139
10. Martí A., Queralt P., and Roca E. Geoelectric dimensionality in complex geologic areas: application to the Spanish Betic Chain. Geophysical Journal International 157 (2004) 961-974
11. Martí A., Queralt P., Jones A.G., and Ledo J. Improving Bahr's invariant parameters using the WAL approach. Geophysical Journal International 163 (2005) 38-41
12. Martí, A., 2006. A magnetotelluric investigation of geoelectric dimensionality and study of the Central Betic crustal structure. PhD Dissertation, Universitat de Barcelona, 306 pp. (〈http://www.tdx.cat/TDX-0115107-115853〉).
13. McNeice G., and Jones A.G. Multisite, multifrequency tensor decomposition of magnetotelluric data. Geophysics 66 (2001) 158-173
14. Press W.H., Flannery B.P., Teukolsky S.A., and Vetterling W.T. Numerical Recipes in FORTRAN: The Art of Scientific Computing (1992), Cambridge University Press, Cambridge 992 pp
15. Simpson F., and Bahr K. Practical Magnetotellurics (2005), Cambridge University Press, Cambridge, UK 270 pp
16. Smith J.T. Understanding telluric distortion matrices. Geophysical Journal International 122 (1995) 219-226
17. Szarka L., and Menvielle M. Analysis of rotational invariants of the magnetotelluric impedance tensor. Geophysical Journal International 129 (1997) 133-142
18. Weaver J.T., Agarwal A.K., and Lilley F.E.M. Characterisation of the magnetotelluric tensor in terms of its invariants. Geophysical Journal International 141 (2000) 321-336
19. West G.F., and Edwards N.G. A simple parametric model for the electromagnetic response of an anomalous body in a host medium. Geophysics 50 (1985) 2242-2259
20. Wight, D.E., 1988. The SEG Standard for Magnetotelluric Data, presented at the Society of Exploration Geophysicists Annual Meeting. (〈http://www.dias.ie/mtnet/docs/ediformat.txt〉).