Singular value decomposition as a denoising tool for airborne time domain electromagnetic data

Journal of Applied Geophysics

Volumn 75, Issue 2, 2011, Pages 264-276

  Reninger, P A ^a,b   Martelet, G ^a   Deparis, J ^a   Perrin, J ^a   Chen, Y ^b  

^a BRGM   (France)

^b UNIVERSITÉ D'ORLÉANS   (France)

Author keywords

Airborne; Denoising; Filter; Singular value decomposition (SVD); Time domain electromagnetism (TDEM); Transient electromagnetism (TEM)

Indexed keywords

AIRBORNE; DE-NOISING; FILTER; SINGULAR VALUE DECOMPOSITION (SVD); TIME DOMAIN;

COUPLINGS; DECAY (ORGANIC); ELECTROMAGNETISM; NOISE POLLUTION CONTROL; PRINCIPAL COMPONENT ANALYSIS; SURVEYS; TIME DOMAIN ANALYSIS;

SINGULAR VALUE DECOMPOSITION;

COUPLING; ELECTROMAGNETIC FIELD; ELECTROMAGNETIC METHOD; NOISE; NUMERICAL MODEL; PRINCIPAL COMPONENT ANALYSIS; THRESHOLD; TIME DOMAIN REFLECTOMETRY;

EID: 80052245811     PISSN: 09269851     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jappgeo.2011.06.034     Document Type: Article

References (33)

1. Auken E., Westergaard J.A., Christiansen A.V., Sørensen K.I. Processing and inversion of SkyTEM data for high resolution hydrogeophysical surveys 2007, Nineteenth International Geophysical Conference and Exhibition, ASEG, Perth, Western Australia, 4p.
2. Auken E., Violette S., d'Ozouville N., Deffontaines B., Sørensen K.I., Viezzoli A., de Marsily G. An integrated study of the hydrogeology of volcanic islands using helicopter borne transient electromagnetic: application in the Galápagos Archipelago. C.R. Geoscience 2009, 341:899-907.
3. II signal enhancement. Exploration Geophysics 2010, 41:225-239.
4. Buselli G., Cameron M. Robust statistical methods for reducing spherics noise contaminating transient electromagnetic measurement. Geophysics 1996, 61:1633-1644.
5. Buselli G., Pik J.P., Hwang H.S. AEM noise reduction with remote referencing. Exploration Geophysics 1998, 29:71-76.
6. Cull J.P. Signal processing concepts for airborne SIROTEM data. Exploration Geophysics 1991, 22:97-100.
7. Danielsen J.E., Auken E., Jørgensen F., Søndergaard V., Sørensen K.I. The application of the transient electromagnetic method in hydrogeophysical surveys. Journal of Applied Geophysics 2003, 53:181-198.
8. Effersø F., Auken E., Sørensen K.I. Inversion of band-limited TEM responses. Geophysical Prospecting 1999, 47:551-564.
9. Flis M.F., Newman G.A., Hohmann G.W. Induced-polarization effects in time-domain electromagnetic measurements. Geophysics 1989, 54:514-523.
10. Green A. The use of multivariate statistical techniques for the analysis and display of AEM data. Exploration Geophysics 1998, 29:77-82.
11. HGG Guide for processing and inversion of SkyTEM data in the Aarhus Workbench http://www.hgg.geo.au.dk/rapporter/guide_skytem_proc_inv.pdf.
12. Hovgaard J. A new technique for airborne gamma-ray spectrometer data (Noise Adjusted Singular Value Decomposition). American Nuclear Sixth Topical Meeting on Emergency Preparedness and Response, San Francisco, California 1997, 123-127.
13. Hovgaard J., Grasty R.L. Reducing statistical noise in airborne gamma-ray data through spectral component analysis. Fourth Decennial International Conference on Mineral Exploration, Toronto, Canada 1997, 753-764.
14. Jørgensen F., Sandersen P.B.E., Auken E. Imaging buried Quaternary valleys using the transient electromagnetic method. Journal of Applied Geophysics 2003, 53:199-213.
15. Junge A. Characterization of and correction for cultural noise. Surveys in Geophysics 1996, 17:361-391.
16. Macnae J.C., Lamontagne Y., West G.F. Noise processing techniques for time-domain EM systems. Geophysics 1984, 49:934-948.
17. McCracken K.G., Pik J.P., Harris R.W. Noise in EM exploration systems. Exploration Geophysics 1984, 15:169-174.
18. McCracken K.G., Oristaglio M.L., Hohmann G.W. Minimization of noise in electromagnetic exploration systems. Geophysics 1986, 51:819-832.
19. McQueen J. Some methods for classification and analysis of multivariate observations. Fifth Berkeley Symposium on Mathematical Statistics and Probability, Berkeley, California 1967, 281-297.
20. Minty B., McFadden P. Improved NASVD smoothing of airborne gamma-ray spectra. Exploration Geophysics 1998, 29:516-523.
21. Munkholm M.S., Auken E. Electromagnetic noise contamination on transient electromagnetic soundings in culturally disturbed environments. Journal of Environmental and Engineering Geophysics 1996, 1:119-127.
22. Nekut A.G., Eaton P.A. Effects of pipelines on EM soundings. 60th SEG meeting, Expanded Abstracts, San Francisco, California 1990, 491-494.
23. Palacky G.J., West G.F. Airborne electromagnetic methods. Electromagnetic methods in applied geophysics, 02. Society of Exploration Geophysicists 1991, 811-879. M.N. Nabighian (Ed.).
24. Press W.H., Flannery B.P., Teukolsky S.A., Vetterling W.T. Numerical Recipes in C: The Art of Scientific Computing 1992, Cambridge University Press, Cambridge. Second ed.
25. Sørensen K.I., Auken E., Thomsen P. TDEM in groundwater mapping - a continuous approach. Symposium on the Applications of Geophysics to Engineering and Environmental Problems, Arlington, Virginia 2000, 485-491.
26. Sørensen K.I., Auken E. SkyTEM, A new high-resolution helicopter transient electromagnetic system. Exploration Geophysics 2004, 35:191-199.
27. Spies B.R. Local noise prediction filtering for central induction transient electromagnetic sounding. Geophysics 1988, 53:1068-1079.
28. Spies B.R., Frischknecht F.C. Electromagnetic sounding. Electromagnetic methods in applied geophysics, 02. Society of Exploration Geophysicists 1991, 285-425. M.N. Nabighian (Ed.).
29. Stephan A., Strack K.M. A simple approach to improve S/N ratio for TEM data using multiple receivers. Geophysics 1991, 56:863-869.
30. Strack K.M., Harstein T.H., Eilenz H.N. LOTEM data processing for areas with high cultural noise levels. Physical of the Earth and Planet Interiors 1989, 53:261-269.
31. Szarka L. Geophysical aspects of man-made electromagnetic noise in the earth - a review. Surveys in Geophysics 1988, 9:287-318.
32. Viezzoli A., Tosi L., Teatini P., Silvestri S. Surface water-groundwater exchange in transitional coastal environments by airborne electromagnetics: the Venice Lagoon example. Geophysical Research Letters 2010, 37:L01402.
33. Ward S.H., Hohmann G.W. Electromagnetic theory for geophysical applications. Electromagnetic methods in applied geophysics, 01. Society of Exploration Geophysicists 1988, 131-311. M.N. Nabighian (Ed.).