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| Titel |
Dipolarization fronts in the near-Earth space and substorm dynamics |
| VerfasserIn |
I. I. Vogiatzis, A. Isavnin, Q.-G. Zong, E. T. Sarris, S. W. Lu, A. M. Tian |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 33, no. 1 ; Nr. 33, no. 1 (2015-01-15), S.63-74 |
| Datensatznummer |
250121149
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| Publikation (Nr.) |
 copernicus.org/angeo-33-63-2015.pdf |
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| Zusammenfassung |
| During magnetospheric substorms and plasma transport in the Earth's
magnetotail various magnetic structures can be detected. Dipolarization
fronts and flux ropes are the most prominent structures characteristic for
substorm dynamics. However, they are treated as separate magnetotail features
independent of each other. In this paper, we analyze a number of
dipolarization fronts observed by the THEMIS (Time History of
Events and Macroscale Interactions during Substorms) spacecraft at different
geocentric distances by applying the magnetohydrostatic Grad–Shafranov (GS)
reconstruction technique. Our analysis shows that there is a possibility of
dipolarization fronts to originate from highly dissipated flux ropes which
are in the late stage of their evolution, subjected to a continuous magnetic
deterioration due to the reconnection process. These results may improve our
understanding of magnetoplasma processes in Earth's magnetotail. |
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