Inversion of helicopter electromagnetic data to a magnetic conductive layered earth

Geophysics

Volumn 68, Issue 4, 2003, Pages 1211-1223

  Huang, Haoping ^a   Fraser, Douglas C ^b  

^a Geophex Ltd   (United States)

^b NONE   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; EARTH (PLANET); ELECTROMAGNETIC WAVES; HELICOPTERS; CONVERGENCE OF NUMERICAL METHODS; DIFFERENTIAL EQUATIONS; ELECTRIC CONDUCTIVITY; LEAST SQUARES APPROXIMATIONS; MAGNETIC PERMEABILITY; MAGNETIC SUSCEPTIBILITY; PARAMETER ESTIMATION; RELIABILITY ANALYSIS; THICKNESS MEASUREMENT;

ELECTROMAGNETIC DATA; AIRBORNE ELECTROMAGNETIC; BRITISH COLUMBIA , CANADA; GEOPHYSICAL TECHNIQUES; INHOMOGENEOUS MEDIA; LEAST MEAN SQUARES METHODS; MAGNETIC POLARIZATIONS; NON-LINEAR INVERSE PROBLEM; RESISTIVITY DISTRIBUTIONS;

GEOPHYSICS; INVERSE PROBLEMS;

AIRBORNE SENSING; ALGORITHM; ELECTRICAL RESISTIVITY; ELECTROMAGNETIC METHOD; INVERSE PROBLEM; LAYERED MEDIUM; MAGNETIC SUSCEPTIBILITY;

EID: 0141786780     PISSN: 00168033     EISSN: None     Source Type: Journal    
DOI: 10.1190/1.1598113     Document Type: Article

References (26)

1. Beard, L. P., and Nyquist, J. E., 1998. Simultaneous inversion of airborne electromagnetic data for resistivity and magnetic permeability: Geophysics, 63, 1556-1564.
2. Fitterman, D. V., and Deszcz-pan, M., 1998, Helicopter EM mapping of saltwater intrusion in Everglades National Park, Florida: Explor. Geophys., 29, 240-243.
3. Fraser, D. C., 1973, Magnetite ore tonnage estimates from an aerial electromagnetic survey: Geoexploration, 11, 97-105.
4. Fraser, D. C., 1978, Resistivity mapping with an airborne multicoil electromagnetic system: Geophysics, 43, 144-172.
5. Fraser, D. C., 1981, Magnetite mapping with a multicoil airborne electromagnetic system: Geophysics, 46, 1579-1593.
6. Fraser, D. C., Stodt, J. A., and Ward, S. H., 1990, The effect of displacement currents on the response of a high-frequency helicopter electromagnetic system, in Ward, S. H., Ed., Geotechnical and environmental geophysics: II, Environmental and groundwater: Soc. Expl. Geophys., 89-96.
7. Frischknecht, F. C., 1967, Fields about an oscillating magnetic dipole over a two-layer earth and application to ground and airborne electromagnetic surveys: Quarterly of the Colorado School of Mines, 62, No. 1.
8. Holladay, S. J., Valleau, N., and Morrison, E., 1986, Application of multifrequency helicopter electromagnetic survey to mapping of sea-ice thickness and shallow-water bathymetry, in Palacky, G. J., Ed., Airborne resistivity mapping: Geol. Surv. Canada Paper 86-22, 91-98.
9. Huang, H., and Fraser, D. C., 1996, The differential parameter method for multifrequency airborne resistivity mapping: Geophysics, 61, 100-109.
10. Huang, H., 2000, Airborne resistivity and susceptibility mapping in magnetically polarizable areas: Geophysics, 65, 502-511.
11. Huang, H., 2001, Mapping of the resistivity, susceptibility, and permittivity of the earth using a helicopter-borne electromagnetic system: Geophysics, 66, 148-157.
12. Huang, H., and 2002, Dielectric permittivity and resistivity mapping using highfrequency helicopter-borne EM data: Geophysics, 67, 727-738.
13. Huang, H., and Palacky, G. J., 1991, Damped least-squares inversion of time-domain airborne EM data based on singular value decomposition: Geophys. Prosp., 39, 827-844.
14. Huang, H., and Zhu, R., 1984. Interpretation method of the timedomain airborne electromagnetic response above a magnetic conductive sphere model, J. Changchun College of Geology, 1, 107-116.
15. Lawson, C. L., and Hanson, R. J., 1974, Solving least-squares problems: Prentice Hall, Inc.
16. Lodha, G. S., and West, G. F., 1976, Practical airborne EM (AEM) interpretation using a sphere model: Geophysics, 41, 1157-1169.
17. Menke, W., 1984, Geophysical data analysis-Discrete inverse theory: Academic Press, Inc.
18. Mooney, H. M., and Bleifuss, R., 1953, Magnetic susceptibility measurements in Minnesota, Part II, Analysis of field results: Geophysics, 18, 383-393.
19. Paterson, N. R., and Reford, S. W., 1986, Inversion of airborne electromagnetic data for overburden mapping and groundwater exploration, in Palacky, G. J., Ed., Airborne resistivity mapping: Geol. Surv. Canada Paper 86-22, 39-48.
20. Qian, W., Gamey, J. T., Holladay, S. J., Lewis, R., and Abernathy, D., 1997, Inversion of airborne electromagnetic data using an Oceam technique to resolve a variable number of layers, in Proceedings of high-resolution geophysics workshop, SAGEEP, 97,735-744.
21. Sengpiel, K. P., and Siemon, B., 2000, Advanced inversion methods for airborne electromagnetic exploration, Geophysics, 65, 1983-1992.
22. Shives, R. B. K., Charbonneau, B. W., and Ford, K. L., 2000, The detection of potassic alteration by gamma-ray spectrometry-Recognition of alteration related to mineralization: Geophysics, 65, 2001-2011.
23. Ward, S. H., 1967, Electromagnetic theory for geophysical applications, in Ward, S. H., Ed., Mining geophysics, 2, Theory: Soc. Expl. Geophys., 13-196.
24. Ward, S. H., and Hohmann, G. W., 1988, Electromagnetic theory for geophysical applications, in Nabighian, M. N., Ed., Electromagnetic methods in applied geophysics, 1, Theory: Soc. Expl. Geophys., 130-311.
25. Zhang, Z., and Oldenburg, D. W., 1997, Recovering magnetic susceptibility from electromagnetic data over a one-dimensional earth: Geophys. J. Internat., 130, 422-434.
26. Zhang, Z., 1999, Simultaneous reconstruction of 1-D susceptibility and conductivity from electromagnetic data: Geophysics, 64, 33-47.