Equatorward expansion of the westward electrojet during magnetically disturbed periods

Journal of Geophysical Research: Space Physics

Volumn 110, Issue A1, 2005, Pages

  Ahn, B H ^a   Chen, G X ^b   Sun, W ^c   Gjerloev, J W ^d,h   Kamide, Y ^e   Sigwarth, J B ^f   Frank, L A ^g  

^a Kyungpook National University   (South Korea)

^b INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

^c UNIVERSITY OF ALASKA FAIRBANKS   (United States)

^d JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY   (United States)

^e NAGOYA UNIVERSITY   (Japan)

^f NASA GODDARD SPACE FLIGHT CENTER   (United States)

^g UNIVERSITY OF IOWA   (United States)

^h JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33747068002     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2004JA010553     Document Type: Article

References (16)

1. Ahn, B.-H., Y. Kamide, and S.-I. Akasofti (1984), Global ionospheric current distribution during substorms, J. Geophys. Res., 89, 1613.
2. Ahn, B.-H., Y. Kamide, and S.-I. Akasofu (1986), Electrical changes of the polar ionosphere during magnetospheric substorms, J. Geophys. Res., 91, 5737.
3. Ahn, B.-H., H. W. Kroehl, Y. Kamide, and D. J. Gomey (1989), Estimation of ionospheric electrodynamic parameters using ionospheric conductance deduced from Bremsstrahlung X ray image data, J. Geophys. Res., 94, 2565.
4. Ahn, B.-H., A. D. Richmond, Y. Kamide, H. W. Kroehl, B. A. Emery, O. de la Beaujardiere, and S.-I. Akasofu (1998), An ionospheric conductance model based on ground magnetic disturbance data, J. Geophys. Res., 103, 14, 769.
5. Ahn, B.-H., H. W. Kroehl, Y. Kamide, and E. A. Kihn (2000), Universal time variations of the auroral electrojet indices, J. Geophys. Res., 105, 267.
6. Akasofu, S.-I. (1981), Relationship between the AE index and Dst indices during geomagnetic storms, J. Geophys. Res., 86, 4820.
7. Allen, J. H., and H. W. Kroehl (1975), Spatial and temporal distributions of magnetic effects of auroral electrojets as derived from AE indices, J. Geophys. Res., 80, 3607.
8. Feldstein, Y. I., A. Grafe, L. I. Gromova, and V. A. Popov (1997), Auroral electrojets during geomagnetic storms, J. Geophys. Res., 102, 14,223.
9. Kamide, Y., and A. Brekke (1975), Auroral electrojet current density deduced from the Chatanika radar and from Alaska meridian chain of magnetic observatories, J. Geophys. Res., 80, 587.
10. Kamide, Y., A. D. Richmond, and S. Matsushita (1981), Estimation of ionospheric electric field, ionospheric currents, and field-aligned currents from ground magnetic records, J. Geophys. Res., 86, 801.
11. Kamide, Y., J. D. Craven, L. A. Frank, B.-H. Ahn, and S.-I. Akasofu (1986), Modeling substorm current systems using the conductivity distribution inferred from DE auroral images, J. Geophys. Res., 91, 1235.
12. Knipp, D. J., et al. (1998), An overview of the early November 1993 geomagnetic storm, J. Geophys. Res., 103, 26, 197.
13. Rostoker, G., and T. J. Hughes (1979), A comprehensive model current system for high latitude magnetic activity, Geophys. J. R. Astron. Soc., 58, 571.
14. Russell, C. T., J. G. Luhmann, and G. Lu (2001), Nonlinear response of the polar ionosphere to large values of the interplanetary electric field, J. Geophys. Res., 106, 18,495.
15. Sun, W., Y. Kamide, J. R. Kan, and S.-I. Akasofu (1993), Inversion of the auroral electrojets from magnetometer chain data based on the flexible tolerance method, J. Geomagn. Geoelectr., 45, 1151.
16. Weimer, D. R., L. A. Reinleitner, J. R. Kan, L. Zhu, and S.-I. Akasofu (1990), Saturation of the Auroral Electrojet Current and the Polar Cap Potential, J. Geophys. Res., 95, 18,981.