The relationship between the recovery phase of geomagnetic storms and the magnetic clouds
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Date
2005Subject/s
Unesco Subject/s
3305 Tecnología de la Construcción
1203 Ciencia de Los Ordenadores
1203.04 Inteligencia Artificial
Abstract
Starting with our elliptical cross-section model for the study of the magnetic topology of magnetic clouds (MCs) in the interplanetary medium, we develop an analytical approach to the behavior of the Dst index at the recovery phase of a geomagnetic storm. Assuming an axially symmetric ring current, we estimate its physical parameters during that recovery phase of the storm-time. We compare the theoretical and measured Dst indexes in two intense geomagnetic storms (Dst <-100 nT), both associated with MCs. © 2005 Published by Elsevier Ltd on behalf of COSPAR.
Starting with our elliptical cross-section model for the study of the magnetic topology of magnetic clouds (MCs) in the interplanetary medium, we develop an analytical approach to the behavior of the Dst index at the recovery phase of a geomagnetic storm. Assuming an axially symmetric ring current, we estimate its physical parameters during that recovery phase of the storm-time. We compare the theoretical and measured Dst indexes in two intense geomagnetic storms (Dst <-100 nT), both associated with MCs. © 2005 Published by Elsevier Ltd on behalf of COSPAR.
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