Spatio-temporal characterization of the equatorial electrojet from CHAMP, Ørsted, and SAC-C satellite magnetic measurements

Journal of Geophysical Research: Space Physics

Volumn 112, Issue 9, 2007, Pages

  Alken, Patrick ^a,b   Maus, Stefan ^a,b  

^a UNIVERSITY OF COLORADO   (United States)

^b NATIONAL GEOPHYSICAL DATA CENTER   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 36148937166     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2007JA012524     Document Type: Article

References (35)

1. Arora, B. R., M. V. Mahashabde, and R. Kalra (1993), Indian IEEY geomagnetic observational program and some preliminary results, Braz. J. Geophys., 11, 365-384.
2. Bartels, J., and H. F. Johnston (1940a), Geomagnetic tides in horizontal intensity at Huancayo, p. I, J. Geophys. Res., 45, 269-308.
3. Bartels, J., and H. F. Johnston (1940b), Geomagnetic tides in horizontal intensity at Huancayo, p. II, J. Geophys. Res., 45, 485-512.
4. Chapman, S. (1951), The equatorial electrojet as detected from the abnormal electric current distribution above Huancayo, Peru, and elsewhere, Arch. Meteorol. Geophys. Bioclimatol., Series A, 4, 368-390.
5. Cowling, T. G. (1933), The electrical conductivity of an ionized gas in the presence of a magnetic field, Mon. Not. R. Astron. Soc., 93, 90-98.
6. Doumouya, V., J. Vassal, Y. Cohen, O. Fambitakoye, and M. Menvielle (1998), The equatorial electrojet: First results from magnetic measurement, Annales de Geophysicae, 16, 658-676.
7. Doumouya, V., Y. Cohen, B. R. Arora, and K. Yumoto (2003), Local time and longitude dependence of the equatorial electrojet magnetic effects, J. Atmos. Sol. Terr. Phys., 65, 1265-1282.
8. Egedal, J. (1947), The magnetic diurnal variation of the horizontal force near the magnetic equator, Terr. Magn. Atmos. Electr, 52, 449-451.
9. Egedal, J. (1948), Daily variation of the horizontal magnetic force at the magnetic equator, Nature, 161, 443-444.
10. England, S. L., S. Maus, T. J. Immel, and S. B. Mende (2006), Longitudinal variation of the E-region electric fields caused by atmospheric tides, Geophys. Res. Lett., 33, L21105, doi:10.1029/2006GL027465.
11. R:-I. A determination of the equatorial electrojet parameters, J. Atmos. Sol. Terr. Phys., 38, 1-17.
12. Forbes, J. M. (1981), The equatorial electrojet, Rev. Geophys. Space Physics, 19(3), 469-504.
13. Forbes, J. M., and R. S. Lindzen (1976), Atmospheric solar tides and their electrodynamic effects, J. Atmos. Sol. Terr. Phys., 38, 911-920.
14. Forbes, J. M., J. Russell, S. Miyahara, X. Zhang, S. Palo, M. Mlynczak, C. J. Mertens, and M. E. Hagan (2006), Troposphere-thermosphere tidal coupling as measured by the SABER instrument on TIMED during July-September 2002, J. Geophys. Res., 111, A10S06, doi:10.1029/2005JA011492.
15. Forbush, S. E., and M. Casaverde (1961), The equatorial electrojet in Peru, Carnegie Institute Washington, Publ 620.
16. Gouin, P., and P. N. Mayaud (1967), A propos de l'existence possible d'un "contre electrojet" aux latitudes magnetiques equatoriales, Annales de Geophysicae, 23, 41-47.
17. Hagan, M. E., and J. M. Forbes (2002), Migrating and nonmigrating diurnal tides in the middle and upper atmosphere excited by tropospheric latent heat release, J. Geophys. Res., 107(D24), 4754, doi:10.1029/2001JD001236.
18. Heelis, R. A. (2004), Electrodynamics in the low and middle latitude ionosphere: A tutorial, J. Atmos. Sol. Terr. Phys., 66, 825-838.
19. Hysell, D. L., M. F. Larsen, and R. F. Woodman (1997), Julia radar studies of electric fields in the equatorial electrojet, Geophys. Res. Lett., 24(13), 1687-1690.
20. Jadhav, G., M. Rajaram, and R. Rajaram (2002), A detailed study of equatorial electrojet phenomenon using Ørsted satellite observations, J. Geophys. Res., 107(A8), 1175, doi:10.1029/2001JA000183.
21. Liu, L., W. Wan, B. Ning, O. M. Pirog, and V. I. Kurkin (2006), Solar activity variations of the ionospheric peak electron density, J. Geophys. Res., 111, A08304, doi:10.1029/2006JA011598.
22. Lühr, H., S. Maus, and M. Rother (2004), Noon-time equatorial electrojet: Its spatial features as determined by the CHAMP satellite, J. Geophys. Res., 109, A01306, doi:10.1029/2002JA009656.
23. Manoj, C., H. Lühr, S. Maus, and N. Nagarajan (2006), Evidence for short spatial correlation lengths of the noontime equatorial electrojet inferred from a comparison of satellite and ground magnetic data, J. Geophys. Res., 111, A11312, doi:10.1029/2006JA011855.
24. Maus, S., M. Rother, C. Stolle, W. Mai, S. Choi, H. Lühr, D. Cooke, and C. Roth (2006), Third generation of the Potsdam magnetic model of the earth (POMME), Geochem. Geophys. Geosyst., 7, Q07008, doi:10.1029/2006GC001269.
25. Onwumechili, C. A. (1967), Geomagnetic variations in the equatorial zone of Peru Physics of Geomagnetic Phenomena-I, 425-507 pp., Academic, Inc, New York, London.
26. Onwumechili, C. A., and P. O. Ezema (1992), Latitudinal and vertical parameters of the equatorial electrojet from an autonomous data set, J. Atmos. Sol. Terr. Phys., 54, 1535-1544.
27. Richards, P. G., J. A. Fennelly, and D. G. Torr (1994), EUVAC: A solar EUV flux model for aeronomic calculations, J. Geophys. Res., 99(A5).
28. Richmond, A. D. (1973), Equatorial electrojet - I. Development of a model including winds and electric field, J. Atmos. Sol. Terr. Phys., 35, 1083-1103.
29. Richmond, A. D. (1995), Ionospheric electrodynamics using magnetic apex coordinates, J. Geomag. Geoelec., 47, 191-212.
30. Rigoti, A., F. H. Chamalaun, N. B. Trivedi, and A. L. Padilha (1999), Characteristics of the equatorial electrojet determined from an array of magnetometers in N-NE Brazil, Earth Planets Space, 51, 115-128.
31. Robinson, R. M., and R. R. Vondrak (1984), Measurements of E region ionization and conductivity produced by solar illumination at high latitudes, J. Geophys. Res., 89, 3951-3958.
32. Sugiura, M., and D. J. Poros (1969), An improved model equatorial electrojet with a meridional current system, J. Geophys. Res., 74, 4025-4034.
33. Tarpley, J. D. (1973), Seasonal movement of the Sq current foci and related effects in the equatorial electrojet, J. Atmos. Sol. Terr. Phys., 35, 1063-1071.
34. Untiedt, J. (1967), A model of the equatorial electrojet involving meridional currents, J. Geophys. Res., 72(23).
35. Weatherburn, C. E. (1962), A first course in mathematical statistics, Cambridge Univ. Press, London.