Source effect on geomagnetic induction vectors in the fennoscandian auroral region

Journal of Geomagnetism and Geoelectricity

Volumn 48, Issue 7, 1996, Pages 1001-1009

  Viljanen, Ari ^a  

^a FINNISH METEOROLOGICAL INSTITUTE   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0042799947     PISSN: 00221392     EISSN: None     Source Type: Journal    
DOI: 10.5636/jgg.48.1001     Document Type: Article

References (22)

1. Agarwal, A. K. and J. T. Weaver, A three-dimensional numerical study of induction in Southern India by an electrojet source, Phys. Earth Planet. Int., 60, 1-17, 1990a.
2. Agarwal, A. K. and J. T. Weaver, A theoretical study of induction by an electrojet over a coastline for Sq and substorm periods, Phys. Earth Planet. Int., 61, 165-181, 1990b.
3. Anderson, C-, L. Lanzerotti, and C. Maclennan, Local time variation of induction vectors as indicators of internal and external current systems, Geophys. Res. Lett., 3, 495498, 1976.
4. Anderson, C., L. Lanzerotti, and C. Maclennan, Local Time Variation of Geomagnetic Induction Vectors, J. Geophys. Res., 83, 3469-3484, 1978.
5. Beamish, D., Source field effects on transfer functions at mid-latitudes, Geophys. J. R. astr. Soc., 58, 117-134, 1979.
6. Egbert, G. D. and J. R. Booker, Robust estimation of geomagnetic transfer functions, Geophys. J. R. astr. Soc., 87, 173-194, 1986.
7. Gough, D. I. and J. H. de Beer, Source-Field Bias in Geomagnetic Transfer Functions: A Case History, J. Geomag. Geoelectr., 32, 471-482, 1980.
8. Luhr, H., The IMAGE Magnetometer Network, STEP International, 4, No. 10, 4-6, 1994.
9. Luhr, H., H. Geisler, and K. Schlegel, Current Density Models of the Eastward Electrojet Derived from GroundBased Magnetic Field and Radar Measurements, J. Atmosph. Terr. Phys., 56, 81-91, 1994.
10. Mareschal, M., Source effects and the interpretation of geomagnetic sounding data at sub-auroral latitudes, Geophys. J. R. astr. Soc., 67, 125-136, 1981.
11. Maurer, H. and B. Theile, Parameters of the Auroral Electrojet From Magnetic Variations Along a Meridian, J. Geophys., 44, 415-426, 1978.
12. Osipova, I. L., S. E. Hjelt, and L. L. Vanyan, Source field problems in northern parts of the Baltic Shield, Phys. Earth Planet. Int., 53, 337-342, 1989.
13. Price, A. T., The Theory of Magnetotelluric Methods When the Source Field Is Considered, J. Geophys. Res., 67, 1907-1918, 1962.
14. Quon, C., K. Vozoff, M. Hoversten, H. F. Morrison, and K-H. Lee, Localized Source Effects on Magnetotelluric Apparent Resistivities, J. Geophys., 46, 291-299, 1979.
15. Rostoker, G. and T. D. Phan, Variation of auroral electrojet spatial location as a function of the level of magne-tospheric activity, J. Geophys., 91, 1716-1722, 1986.
16. Srivastava, S. P., Method of Interpretation of Magnetotelluric Data when Source Field Is Considered, J. Geophys. Res., 70, 945-954, 1965.
17. Viljanen, A. and L. Szarka, Analogue model studies of induction effects at auroral latitudes, Ann. Geophys., 13, 1187-1196, 1995.
18. Viljanen, A-, K. Kauristie, and K. Pajunpää, On induction effects at EISCAT and IMAGE magnetometer stations, Geophys. J. Int., 121, 893-906, 1995.
19. Viljanen, A., R. Pirjola, and L. Häkkinen, An Attempt to Reduce Induction Source Effects at High Latitudes, J. Geomag. Geoelectr., 45, 817-831, 1993.
20. Weaver, J. T. and A. K. Agarwal, Is addition of induction vectors meaningful?, Phys. Earth Planet. Int., 65, 267-275, 1991.
21. Wieladek, R. and T. Ernst, Application of the method of least squares to determining impulse responses and transfer functions, Publ. Inst. Geophys. Pol. Acad. Se., G-1 (110), 3-12, 1977.
22. Wieladek, R., A. Bromek, and J. Ostrowski, Modified maximum entropy method of determining power spectra of stationary processes with a program in Fortran IV, Publ. Inst. Geophys. Pol. Acad. Sc., 96, 3-32, 1975.