Noon-time equatorial electrojet: Its spatial features as determined by the CHAMP satellite

Journal of Geophysical Research: Space Physics

Volumn 109, Issue A1, 2004, Pages

  Luhr H ^a   Maus, S ^a   Rother, M ^a  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

Equatorial electrojet; Geomagnetic field; Ionospheric currents

Indexed keywords

EID: 28544445963     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2002JA009656     Document Type: Article

References (27)

1. Ananda Rao, B., and R. Raghava Rao (1987), Structural changes in the current fields of the equatorial electrojet due to zonal and meridional winds, J. Geophys. Res, 92, 2514-2526.
2. Burrows, K. (1970), The day-to-day variability of the equatorial electrojet in Pern, J. Geophys. Res., 75, 1319-1323.
3. Cain, J., and R. Sweeney (1973), The POGO data, J. Atmos. Terr. Phys., 35, 1231-1247.
4. Cowling, T. (1933), The electrical conductivity of an ionized gas in the presence of a magnetic field, Mon. Not. R. Astron. Soc., 93, 90-98.
5. Fambitakoye, O., and P. Mayaud (1976), Equatorial electrojet and regular daily variation SR; II, the center of the equatorial electrojet, J. Atmos. Terr. Phys., 38, 19-26.
6. r III, Comparison of observations with a physical model, J. Atmos. Terr. Phys., 38, 113-121.
7. Forbes, J. M. (1981), The equatorial electrojet, Rev. Geophys., 19, 469-504.
8. q foci in 1958, Pure Appl. Geophys., 110, 2076-2084.
9. Ivers, D., R. Stening, J. Turner, and D. Winch (2003), Equatorial electrojet from Orsted scalar magnetic field observations, J. Geophys. Res., 108(A2), 1061, doi:10.1029/2002JA009310.
10. Jadhav, G., M. Rajaram, and R. Rajaram (2002), A detailed study of equatorial electrojet phenomenon using Orsted satellite observations, J. Geophys. Res., 107(A8), 1175, doi:10.1029/2001JA000183.
11. Kobea, A., A. Richmond, B. Emery, C. Peymirat, H. Lühr, T. Moretto, M. Hairston, and C. Amory-Mazaudier (2000), Electrodynamic coupling of high and low latitudes: Observations on May 27, 1993, J. Geophys. Res., 105, 22,979-22,989.
12. Köhnlein, W. (1986), A model of the electron and ion temperatures in the ionosphere, Planet. Space Sci., 34, 609-630.
13. Langel, R. A., M. Purucker, and M. Rajaram (1993), The equatorial electrojet and associated currents as seen in Magsat data, J. Atmos. Terr. Phys., 55, 1233-1269.
14. Lühr, H., M. Rother, S. Maus, W. Mai, and D. Cooke (2003), The diamagnetic effect of the equatorial Appleton anomaly: Its characteristics and impact on geomagnetic field modeling, Geophys. Res. Lett., 30(11), 1906, doi:10.1029/2003GL017407.
15. Maus, S., M. Rother, R. Holme, H. Lühr, N. Olsen, and V. Haak (2002), First scalar magnetic anomaly map from CHAMP satellite data indicates weak lithosphenc field, Geophys. Res. Lett., 29(14), 1702, doi: 10.1029/2001GL013685.
16. Onwumechili, C. (1967), Geomagnetic variation in the equatorial zone, in Physics of Geomagnetic Phenomena, edited by W. Matsushita and S.Campbell, pp. 425-507, Academic, San Diego, Calif.
17. Onwumechili, C. A. (1997), The Equatorial Electrojet, Gordon and Breach, Newark, N. J.
18. Onwumechili, C., and C. Agu (1980), General features of the magnetic field of the equatorial electrojet measured by the POGO satellites, Planet. Space Sci., 28, 1125-1130.
19. Onwumechili, C. A., and C. E. Agu (1981a), Longitudinal variation of equatorial electrojet parameters derived from POGO satellite observations, Planet. Space Sci., 29, 627-634.
20. Onwumechili, C. A., and C. E. Agu (1981b), The relationship between the current and the width of the equatorial electrojet, J. Atmos. Terr. Phys., 43, 573-578.
21. Onwumechili, C. A., and P. O. Ezema (1992), Latitudinal and vertical parameters of the equatorial electrojet from an autonomous data set, J. Atmos. Terr. Phys., 54, 1535-1544.
22. Raghava Rao, R., R. Sridharan, J. Sastri, V. Agashe, B. Rao, P. Rao, and V. Somajajula (1988), The equatorial ionosphere, in WITS Handbook, vol. 1, World Ionosphere/Thermosphere Study, edited by C. H. Liu and B. Edwards, pp. 48-93, Univ. of Ill., Urbana.
23. Rastogi, R. G. (1989), The equatorial electrojet, in Geomagnetism, vol. 3, edited by J. Jacobs, pp. 461-525, Academic, San Diego, Calif.
24. Rastogi, R. G., and K. N. Iyer (1976), Quiet day variation of geomagnetic H field at low latitudes, J. Geomagn. Geoelectr., 28, 461-478.
25. Richmond, A. D. (1973a), Equatorial electrojet-1. Development of a model including winds and instabilities, J. Atmos. Terr. Phys., 35, 1083-1103.
26. Richmond, A. D. (1973b), Equatorial electrojet-2. Use of the model to study the equatorial ionosphere, J. Atmos. Terr. Phys., 35, 1105-1118.
27. Stenina, R. J. (1995), What drives the equatorial electrojet?, J. Atmos. Terr. Phys., 57, 1117-1128.