Improving and testing the empirical equatorial electrojet model with CHAMP satellite data

Annales Geophysicae

Volumn 22, Issue 9, 2004, Pages 3323-3333

  Doumouya, V ^a   Cohen, Y ^b  

^a UNIVERSITÉ FÉLIX HOUPHOUËT BOIGNY   (Côte d’Ivoire)

^b INSTITUT DE PHYSIQUE DU GLOBE DE PARIS   (France)

Author keywords

Ionosphere (Equatorial ionosphere; Electric fields and currents)

Indexed keywords

ELECTROJET; IONOSPHERE; REMOTE SENSING; SATELLITE DATA;

EID: 7244239313     PISSN: 09927689     EISSN: None     Source Type: Journal    
DOI: 10.5194/angeo-22-3323-2004     Document Type: Article

References (24)

1. Agu, C. E. and Onwumechili, C. A.: Comparison of the POGO satellite and ground measurements of the magnetic field of the equatorial electrojet. J. Atmos. and Terr. Phys., 43, 801-807, 1981.
2. Amory-Mazaudier, C., Vila, P., Achache, J., Achy Séka, A., Albouy, Y., Blanc, E., Boka, K., Bouvet, J., Cohen, Y., Dukhan, M., Doumouya, V., Fambitakoye, O., Gendrin, R., Goutelard, C., Hamoudi, M., Hanbaba, R., Hougninou, E., Huc, C., Kakou, K., Kobea-Toka, A., Lassudrie-Duchesne, P., Mbipom, E., Menvielle, M., Ogunade, S. O., Onwumechili, C. A., Oyinloye, J. A., Rees, D., Richmond, A., Sambou, E. Schmuker, E., Tirefort, J. L., and Vassal, J.: International equatorial electrojet year: The African sector, Revista Brasileira de Geofisica, 11, 303-317, Especial, 1993.
3. Arora, B. R., Mahashabde, M. V., and Kalra, R.: Indian IEEY geomagnetic observational program and some preliminary results, Brazilian J. of Geophys., 11, Eq. (3), 365-384, 1993.
4. Cain, J. C. and Sweeney, R. E.: The POGO data J. Atmos. and Terr. Phys., 35, 1231-1247, 1973.
5. Cohen, Y. and Achache, J.: New global vector anomaly maps derived from MAGSAT data. J. Geophys. Res., 95, 10 783-10 800, 1990.
6. Doumouya, V., Vassal, J., Cohen, Y., Fambitakoye, O., Menvielle, M.: The Equatorial Electrojet at African longitudes: First Results From Magnetic measurement. Ann. Geophys., 16, 658-676, 1998.
7. Doumouya, V., Cohen, Y., Arora, B. R., and Yumoto, K.: Local time and longitude dependence of the equatorial electrojet magnetic effects, J. Atmos. and Solar-Terr. Phys., 65, 1265-1282, 2003.
8. Ebun, O.: On the correlation of ground data at Ibadan with POGO satellite results. J. Atmos. and Terr. Phys., 35, 1267-1271, 1973.
9. R: I. A Determination of the Equatorial Electrojet Parameters., J. Atmos. and Terr. Phys., 38, 1-17, 1976a.
10. Forbush, S. E. and Casaverde, M.: The Equatorial Electrojet in Peru. Carnegie Institut. Washington., Publ. 620, 1961.
11. Gouin, P.: Correlation of satellite estimates of the equatorial electrojet intensity with ground observations at Addis Ababa. J. Atmos. and Terr. Phys., 35, 1257-1264, 1973.
12. Kane, R. P.: Comparison of geomagnetic changes in India and the POGO data. J. Atmos. and Terr. Phys., 35, 1249-1252, 1973.
13. Langel, R. A., Schnetzler, C. C., Philips, J. D., and Horner, R. J.: Initial vector magnetic anomaly map from Magsat. Geophys. Res. Let. 9, 273-276, 1982.
14. Langel, R. A., Purucker, M. M., and Rajaram, M.: The Equatorial Electrojet and Associated Currents as Seen in MAGSAT Data. J. Atmos. and Terr. Phys. 55, 1233-1269, 1993.
15. Lühr, H., Maus, S., and Rother, M.: First in-situ observation of night-time F region currents with the CHAMP satellite; Geophys. Res. Let., Vol. 29, No. 10, 1029/2001GL013845, 2002.
16. Maeda, H., Iymori, T., Araki, T., and Kamie. T.: New evidence of meridional current system in the equatorial ionosphere, Geophys. Res. Let. 9, 243-245, 1982.
17. Maus, S., Rother, M., Holme, R., Lühr, H., Olsen, N., and Haak, V.: First scalar magnetic anomaly map from CHAMP satellite data indicates weak lithospheric field, Geophysical Research Letters, Vol. 29, No. 14, 10.1029/2001GL013685, 2002.
18. Onwumechili, C. A. and Agu, C. E.: Longitudinal Variation of the Equatorial Electrojet parameters Derived from POGO Satellite Observations. Planet Space Sciences 29, 627-634, 1980.
19. Osborne D. G.: Electrojet measurement from satellite and ground. J. Atmos. and Terr. Phys., 35, 1273-1279, 1973.
20. Ravat D. and Hinze, W. J.: Consideration of variations in ionospheric field effects in mapping equatorial lithospheric Magsat magnetic anomalies. Geophys. J. Int., 113, 387-398, 1993.
21. Rigoti, A., Chamalaun, F. H., Trivedi, N. B., and Padilha, A. L.: Characteristics of the equatorial electrojet determined from an array of magnetometers in N-NE Brazil, Earth Planet Space 51, 115-128, 1999.
22. Sabaka, T. J., Olsen, N., and Langel R. A.: A comprehensive model of the quite-time near Earth magnetic field: phase 3, Geophys. J. Int., 151, 32-68, 2002.
23. Yacob, A. and Bhargava, B. N.: The electrojet field from satellite and surface observations in the Indian equatorial region. J. Atmos. and Terr. Phys., 35, 1253-1255, 1973.
24. Yanagisawa, M. and Kono, M.: Mean ionospheric field correction for Magsat data. J. Geophys. Res., 90, B3, 2527-2536, 1985.