Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 36, issue 6
Articles | Volume 36, issue 6
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 36, issue 6
Regular paper
 | 
29 Nov 2018
Regular paper |  | 29 Nov 2018

The asymmetric geospace as displayed during the geomagnetic storm on 17 August 2001

Nikolai Østgaard, Jone P. Reistad, Paul Tenfjord, Karl M. Laundal, Theresa Rexer, Stein E. Haaland, Kristian Snekvik, Michael Hesse, Stephen E. Milan, and Anders Ohma

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Short summary
In this paper we take advantage of having two auroral imaging missions giving simultaneous data of both the southern and northern aurora. Combined with all available in situ measurements from space and global ground-based networks, we explore the asymmetric behavior of geospace. We find large auroral asymmetries and different reconnection geometry in the two hemispheres. During substorm expansion phase asymmetries are reduced.
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