The equatorial ring-current energy during magnetic storms as related to Dst activity indices

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 o...

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Detalles Bibliográficos
Autores principales: Van Zele, M.A., Schneider, O.
Formato: JOUR
Materias:
equatorial ring current
geomagnetic activity
magnetic storm
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_00219169_v57_n6_p719_VanZele
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_00219169_v57_n6_p719_VanZele
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spelling todo:paper_00219169_v57_n6_p719_VanZele2023-10-03T14:22:42Z The equatorial ring-current energy during magnetic storms as related to Dst activity indices Van Zele, M.A. Schneider, O. equatorial ring current geomagnetic activity magnetic storm 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. Fil:Van Zele, M.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00219169_v57_n6_p719_VanZele
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic equatorial ring current
geomagnetic activity
magnetic storm
spellingShingle equatorial ring current
geomagnetic activity
magnetic storm
Van Zele, M.A.
Schneider, O.
The equatorial ring-current energy during magnetic storms as related to Dst activity indices
topic_facet equatorial ring current
geomagnetic activity
magnetic storm
description 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.
format JOUR
author Van Zele, M.A.
Schneider, O.
author_facet Van Zele, M.A.
Schneider, O.
author_sort Van Zele, M.A.
title The equatorial ring-current energy during magnetic storms as related to Dst activity indices
title_short The equatorial ring-current energy during magnetic storms as related to Dst activity indices
title_full The equatorial ring-current energy during magnetic storms as related to Dst activity indices
title_fullStr The equatorial ring-current energy during magnetic storms as related to Dst activity indices
title_full_unstemmed The equatorial ring-current energy during magnetic storms as related to Dst activity indices
title_sort equatorial ring-current energy during magnetic storms as related to dst activity indices
url http://hdl.handle.net/20.500.12110/paper_00219169_v57_n6_p719_VanZele
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AT vanzelema equatorialringcurrentenergyduringmagneticstormsasrelatedtodstactivityindices
AT schneidero equatorialringcurrentenergyduringmagneticstormsasrelatedtodstactivityindices
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