Field-aligned currents in the polar cap at small IMF Bz and By inferred from SuperDARN radar observations

Journal of Geophysical Research: Space Physics

Volumn 105, Issue A1, 2000, Pages 205-214

  Kustov, A V ^a   Lyatsky, W B ^a,b   Sofko, G J ^a   Xu, L ^a  

^a UNIVERSITY OF SASKATCHEWAN   (Canada)

^b POLAR GEOPHYSICAL INSTITUTE   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 39449130693     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/1999ja900428     Document Type: Article

References (31)

1. Axford, W. I., and C. O. Hines, A unifying theory of high-latitude geophysical phenomena and geomagnetic substorms, Can. J. Phys., 39, 1433-1464, 1961.
2. Bristow, W. A., D. G. Sibeck, C. Jacquey, R. A. Greenwald, G. J. Sofko, T. Mukai, T. Yamamoto, S. Kokubun, T. J. Hughes, W. J. Hughes, and M. J. Engebretson, Observation of convection vortices in the afternoon sector using the SuperDARN HF radars, J. Geophys. Res., 100, 19,743-19,756, 1995.
3. Bristow, W. A., J. M. Ruohoniemi, and R. A. Greenwald, Super Dual Auroral Radar Network observations of convection during a period of small-magnitude northward IMF, J. Geophys. Res., 103, 4051-4061, 1998.
4. Bythrow, P. F., T. A. Potemra, R. E. Erlandson, L. J. Zanetti, and D. M. Klumpar, Birkeland currents and charged particles in the high-latitude prenoon region: A new interpretation, J. Geophys. Res., 93, 9791-9803, 1988.
5. de la Beaujardière, O., J. Watermann, P. T. Newell, and F. J. Rich, Relationship between Birkeland current regions, particle precipitations, and electric fields, J. Geophys. Res., 98, 7711-7720, 1993.
6. Eastman, T. E., J. E. W. Hones, S. J. Bame, and J. R. Asbridge, The magnetospheric boundary layer: Size of plasma, momentum and energy transfer from the magnetosheath into the magnetosphere, Geophys. Res. Lett., 11, 685-688, 1976.
7. Greenwald, R. A., and H. Gallagher, Convection signatures of substorms: From global scale to microscale, in SUBSTORMS-4, edited by S. Kokubun and Y. Kamide, pp. 611-616, Terra Sci., Tokyo, 1998.
8. Greenwald, R. A., et al., DARN/SuperDARN: A global view of the dynamics of high-latitude convection, Space Sci. Rev., 71, 761-796, 1995.
9. Hardy, D. A., M. S. Gussenhoven, R. Raistrick, and W. J. McNeil, Statistical and functional representations of the pattern of auroral energy flux, number flux, and conductivity, J. Geophys. Res., 92, 12,275-12,294, 1987.
10. Heelis, R. A., The effects of the interplanetary magnetic field orientation on dayside high-latitude ionospheric convection, J. Geophys. Res., 89, 2873-2880, 1984.
11. Jaggi, R. K., and R. A. Wolf, Self-consistent calculation of the motion of a sheet of ions in the magnetosphere, J. Geophys. Res., 78, 2852-2866, 1973.
12. Iijima, T., and T. A. Potemra, The amplitude distribution of field-aligned currents at northern high latitudes observed by Triad, J. Geophys. Res., 81, 2165-2174, 1976a.
13. Iijima, T., and T. A. Potemra, Field-aligned currents in the dayside cusp observed by Triad, J. Geophys. Res., 81, 5971-5979, 1976b.
14. Kustov, A. V., W. B. Lyatsky, and G. J. Sofko, Super Dual Auroral Radar Network observations of near-noon plasma convection at small interplanetary magnetic field Bz and By, J. Geophys. Res., 103, 4041-4050, 1998.
15. Lyatsky, W. B., and Y. P. Maltsev, Magnetosphere-ionosphere interaction, (in Russian), Moscow, Nauka, 1983.
16. Lyatsky, W. B., Y. P. Maltsev, and S. V. Leontyev, Three-dimensional current system of magnetic substorm, Planet. Space Sci., 22, 1231-1247, 1974.
17. Lyatsky, W. B., Y. P. Maltsev, and B. V. Rezhenov, Ionospheric convection produced by quasi-viscous interaction of the solar wind with the magnetosphere, Geomagn. Aeron., 25, 474-477, 1985.
18. McWilliams, K. A., A SuperDARN study of dayside field-aligned current regions, M.S. thesis, Univ. of Saskatchewan, Saskatoon, Saskatchewan, Canada, 1997.
19. Milan, S. E., T. K. Yeoman, M. Lester, E. C. Thomas, and T. B. Jones, Initial backscatter occurrence statistics from the CUTLASS HF radars, Ann. Geophys., 15, 703-718, 1997.
20. Ohtani, S., T. A. Potemra, P. T. Newell, L. J. Zanetti, T. Iijima, M. Watanabe, M. Yamauchi, R. D. Elphinstone, O. de la Beaujardière, and L. G. Blomberg, Simultaneous prenoon and postnoon observations of three field-aligned current systems from Viking and DMSP-F7, J. Geophys. Res., 100, 119-136, 1995.
21. Papitashvili, V. O., Convection to the dayside at the center of the polar cap in the case of southern IMF: A new current system, Geomagn. Aeron., 27, 226-229, 1987.
22. Papitashvili, V. O., B. A. Belov, D. S. Faermark, Y. I. Feldstein, S. A. Golyshev, L. I. Gromova, and A. E. Levitin, Electric potential patterns in the northern and southern polar regions parametrized by the interplanetary magnetic field, J. Geophys. Res., 99, 13,251-13,262, 1994.
23. Potemra, T. A., Sources of large-scale Birkeland currents, in Physical Signatures of Magnetospheric Boundary Layer Processes, edited by J. A. Holtet and A. Egeland, p. 3, Kluwer Acad., Norwell, Mass., 1994.
24. Reiff, P. J., and J. G. Luhmann, Solar wind control of the polar cap voltage, in Solar Wind-Magnetosphere Coupling, edited by Y. Kamide and J. A. Slavin, p. 452, Terra Sci., Tokyo, 1986.
25. Ruohoniemi, J. M., and R. A. Greenwald, Statistical patterns of high-latitude convection obtained from Goose Bay HF radar observations, J. Geophys. Res., 101, 21,743-21,763, 1996.
26. Saunders, M. A., Origin of the cusp Birkeland currents, Geophys. Res. Lett., 16, 151-154, 1989.
27. Sofko, G. J., R. Greenwald, and W. Bristow, Direct determination of large-scale magnetospheric field-aligned currents with SuperDARN, Geophys. Res. Lett., 22, 2041-2044, 1995.
28. Stasiewicz, K., A global model of gyroviscous field line merging at the magnetopause, J. Geophys. Res., 96, 77-86, 1991.
29. Tsyganenko, N. A., A magnetospheric magnetic field model with a warped tail current sheet, Planet. Space Sci., 37, 5-20, 1989.
30. Watanabe, M., T. Iijima, M. Nakagawa, T. A. Potemra, L. J. Zanetti, S.-I. Ohtani, and P. T. Newell, Field-aligned currents in the magnetospheric ground state, J. Geophys. Res., 103, 6853-6869, 1998.
31. Weimer, D. R., A flexible, IMF dependent model of high-latitude electric potentials having "space weather" applications, Geophys. Res. Lett., 23, 2549-2552, 1996.