Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 33, issue 6
Articles | Volume 33, issue 6
https://doi.org/10.5194/angeo-33-623-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-33-623-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 33, issue 6
Regular paper
 | 
01 Jun 2015
Regular paper |  | 01 Jun 2015

Investigation of energy transport and thermospheric upwelling during quiet magnetospheric and ionospheric conditions from the studies of low- and middle-altitude cusp

T. Živković, S. Buchert, P. Ritter, L. Palin, and H. Opgenoorth

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In this paper we analyze 21 conjunctions between the Cluster and CHAMP satellites while they were passing magnetic cusp during relatively quiet solar activity. Only three of the conjunctions reveal field-aligned currents on both satellites as well as neutral density enhancement in the thermosphere. Poynting and electron energy fluxes (EEF) as well as Joule heating were computed and the conclusion is that for these weak events EEF has the strongest contribution to the observed density increase.
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