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HIGH-SPEED PLASMA FLOWS AND DIPOLARIZATION IN THE MAGNETOPSHEREDURING SUBSTORMстатья
- Авторы: Kozelova T.V., Kozelov B.V.
- Журнал: Physics of Auroral Phenomena
- Том: 41
- Номер: 1
- Год издания: 2018
- Издательство: Федеральное государственное бюджетное научное учреждение "Полярный геофизический институт"
- Местоположение издательства: Апатиты
- Первая страница: 18
- Последняя страница: 21
- DOI: 10.25702/KSC.2588-0039.2018.41.18-21
- Аннотация: We analyzed the magnetospheric disturbances in the midnight sector during the substorm on Nov 14, 2014, starting at 18:25 UT. The data used were observed by the THD and THE satellites located in the ~ 00 MLT sector of the magnetosphere at 9-10.5 Re, as well as recording of PiB pulsations at Lovozero, the aurora at the stations Apatity and ground magnetic data. Some 20 minutes before the ground substorm onset, the beginning of the bursty bulk flow (BBF) event was observed by two satellites. The role of fast earthward flows in triggering substorms is not yet known in detail. Here we evaluate the associated changes in the cross-tail current intensity using the line-current model to simulate equivalent current perturbations during the interaction of BBFs with the near-Earth plasma.
- Добавил в систему: Козелов Борис Владимирович