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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 31, issue 10
Ann. Geophys., 31, 1853–1866, 2013
https://doi.org/10.5194/angeo-31-1853-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 31, 1853–1866, 2013
https://doi.org/10.5194/angeo-31-1853-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 30 Oct 2013

Regular paper | 30 Oct 2013

Magnetopause reconnection and interlinked flux tubes

F. R. Cardoso2,1, W. D. Gonzalez2, D. G. Sibeck3, M. Kuznetsova3, and D. Koga2 F. R. Cardoso et al.
  • 1EEL/USP – Escola de Engenharia de Lorena/Universidade de São Paulo, Lorena, São Paulo, Brazil
  • 2INPE – Instituto Nacional de Pesquisas Espaciais, São José dos Campos, São Paulo, Brazil
  • 3NASA Goddard Space Flight Center, Greenbelt, MD, USA

Abstract. Magnetic reconnection can be a continuous or a transient process. Global magnetohydrodynamics (MHD) simulations are important tools to understand the relevant magnetic reconnection mechanisms and the resulting magnetic structures. We have studied magnetopause reconnection using a global 3-D MHD simulation in which the interplanetary magnetic field (IMF) has been set to large positive By and large negative Bz components, i.e., a south-duskward direction. Flux tubes have been observed even during these constant solar wind conditions. We have focused on the interlinked flux tubes event resulting from time-dependent, patchy and multiple reconnection. At the event onset, two reconnection modes seem to occur simultaneously: a time-dependent, patchy and multiple reconnection for the subsolar region; and, a steady and large-scale reconnection for the regions far from the subsolar site.

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