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Abstract:

The purpose of this research was to study the complexity of the energization of the ring current during a geomagnetic storm, produced during southern Bz(IMF) by the injection of plasma sheet ions, accelerated by enhanced convective electric fields. This model assumes that the plasma sheet is continuously populated by H+ from the sun and the ionosphere, and sporadically by ionospheric O+, making the ring current a coupled system whose energy can hardly be expressed analytically. When Bz(IMF) turns north, the ring current becomes uncoupled, and the energy decays exponentially if the storm is weak, or can be expressed as a combination of exponentials during strong storms representing the quick decay of O+ and the slower decay of H+, as has been shown.

Registro:

Documento: Artículo
Título:Contributions to the ring current energy during geomagnetic storms
Autor:Van Zele, M.A.
Filiación:Instituto de geofisica Daniel Valenc, Depto. de Cs. Geologicas, FCEN UBA, Ciudad Universitaria Pab II, Buenos Aires C1428EHA, Argentina
Palabras clave:Ring current; Solar wind-magnetosphere coupling; geomagnetic storm; magnetosphere; solar wind
Año:2002
Volumen:46
Número:1
Página de inicio:33
Página de fin:41
DOI: http://dx.doi.org/10.1023/A:1019833515552
Título revista:Studia Geophysica et Geodaetica
Título revista abreviado:Stud. Geophys. Geod.
ISSN:00393169
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00393169_v46_n1_p33_VanZele

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Citas:

---------- APA ----------
(2002) . Contributions to the ring current energy during geomagnetic storms. Studia Geophysica et Geodaetica, 46(1), 33-41.
http://dx.doi.org/10.1023/A:1019833515552
---------- CHICAGO ----------
Van Zele, M.A. "Contributions to the ring current energy during geomagnetic storms" . Studia Geophysica et Geodaetica 46, no. 1 (2002) : 33-41.
http://dx.doi.org/10.1023/A:1019833515552
---------- MLA ----------
Van Zele, M.A. "Contributions to the ring current energy during geomagnetic storms" . Studia Geophysica et Geodaetica, vol. 46, no. 1, 2002, pp. 33-41.
http://dx.doi.org/10.1023/A:1019833515552
---------- VANCOUVER ----------
Van Zele, M.A. Contributions to the ring current energy during geomagnetic storms. Stud. Geophys. Geod. 2002;46(1):33-41.
http://dx.doi.org/10.1023/A:1019833515552