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Abstract:

On the basis of geomagnetic activity indices Dst and solar wind parameters (velocity and density), we calculate the kinetic energy of the equatorial ring-current during the development of a magnetic storm, following the hypothesis of Sckopke's theorem. Supposing that the relaxation mechanisms of the plasmaspheric drift current which lead to the pre-storm state are always present and depend solely on the kinetic energy, it is found that the major part of the energy gain is lost, except during the main phase, when the interplanetary magnetic field permits it to be stored. © 1995.

Registro:

Documento: Artículo
Título:The equatorial ring-current energy during magnetic storms as related to Dst activity indices
Autor:Van Zele, M.A.; Schneider, O.
Filiación:Consejo Nacional de Investigaciones Científicas, Técnicas Departamento de Ciencias Geológicas, Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Departamento de Ciencias Geológicas, Buenos Aires, Argentina
Palabras clave:equatorial ring current; geomagnetic activity; magnetic storm
Año:1995
Volumen:57
Número:6
Página de inicio:719
Página de fin:724
DOI: http://dx.doi.org/10.1016/0021-9169(94)E0004-7
Título revista:Journal of Atmospheric and Terrestrial Physics
ISSN:00219169
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00219169_v57_n6_p719_VanZele

Referencias:

  • Burlaga, Behannon, Klein, Compound streams magnetic clouds and major geomagnetic storms (1987) Journal of Geophysical Research, 92, pp. 5725-5734
  • Burton, McPherron, Russell, An empirical relationship between interplanetary conditions and Dst (1975) Journal of Geophysical Research, 80, pp. 4204-4214
  • Feldstein, Grafe, Pisarsky, Prigansova, Sumaruk, Magnetic field of the magnetospheric ring current and its dynamics during magnetic storms (1990) J. atmos. terr. Phys., 52, pp. 1185-1191
  • González, Tsurutani, González, Smith, Tang, Akasofu, Solar wind-magnetospheric coupling during intense magnetic storms (1989) Journal of Geophysical Research, 94, pp. 8835-8851
  • Mayaud, Deviation, meaning and use of geomagnetic indices (1980) Geophys. Monogr., 22. , American Geophysical Union
  • Parker, Ferraro, Theoretical aspects of the worldwide magnetic storm phenomenon (1971) Handbuch der Physck, 49/43, pp. 131-205
  • Price, Electromognetic Induction within the Earth (1967) Physics of Geomagnetic Phenomena, pp. 235-295. , Academic Press
  • Sckopke, A general relation between the energy of trapped particles and the disturbance field near the Earth (1966) Journal of Geophysical Research, 71, pp. 3125-3130
  • Zossi de Artigas, Manzano, Study of the reliability of methods for estimating the ring current decay time (1990) Conference digest of the Eighth International Symposium on Equatorial Aeronomy, pp. 85-88

Citas:

---------- APA ----------
Van Zele, M.A. & Schneider, O. (1995) . The equatorial ring-current energy during magnetic storms as related to Dst activity indices. Journal of Atmospheric and Terrestrial Physics, 57(6), 719-724.
http://dx.doi.org/10.1016/0021-9169(94)E0004-7
---------- CHICAGO ----------
Van Zele, M.A., Schneider, O. "The equatorial ring-current energy during magnetic storms as related to Dst activity indices" . Journal of Atmospheric and Terrestrial Physics 57, no. 6 (1995) : 719-724.
http://dx.doi.org/10.1016/0021-9169(94)E0004-7
---------- MLA ----------
Van Zele, M.A., Schneider, O. "The equatorial ring-current energy during magnetic storms as related to Dst activity indices" . Journal of Atmospheric and Terrestrial Physics, vol. 57, no. 6, 1995, pp. 719-724.
http://dx.doi.org/10.1016/0021-9169(94)E0004-7
---------- VANCOUVER ----------
Van Zele, M.A., Schneider, O. The equatorial ring-current energy during magnetic storms as related to Dst activity indices. 1995;57(6):719-724.
http://dx.doi.org/10.1016/0021-9169(94)E0004-7