Diagnostics of the magnetosphere based on the outer belt relativistic electrons and penetration of solar protons: A review |
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Authors: | L V Tverskaya |
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Institution: | (1) The Aerospace Corporation, 92957, Los Angeles, CA 90009, USA |
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Abstract: | The present-day state of the studies of the outer radiation belt relativistic electrons and the boundary of the solar proton
penetration into the magnetosphere during magnetic storms is briefly reviewed. The main attention is paid to the results from
studying the interrelation between these structural formations and other magnetospheric plasma structures. It has been indicated
that the relationship between the position of the maximum of belt of relativistic electrons injected during magnetic storms
(L
max) and the magnetic storm amplitude (|Dst|max = 2.75 × 104/L
max4) can be used to predict the extreme latitudinal position of such magnetospheric plasma formations as a trapped radiation
region boundary, the nighttime equatorial boundary of the auroral oval, and westward electrojet center during a storm. Using
the examples of still rare studies of the solar proton boundary dynamics in the magnetosphere based on the simultaneous measurements
on several polar satellites, it has been demonstrated that a change in the geomagnetic field topology during magnetic storms
can be diagnosed. |
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Keywords: | |
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