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ANGEO | Articles | Volume 36, issue 6
Ann. Geophys., 36, 1577-1596, 2018
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 36, 1577-1596, 2018
https://doi.org/10.5194/angeo-36-1577-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.
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Cited articles  
Amm, O.: Ionospheric elementary current systems in spherical coordinates and their application, J. Geomag. Geoelectr., 947–955, 1997. a
Amm, O., Grocott, A., Lester, M., and Yeoman, T. K.: Local determination of ionospheric plasma convection from coherent scatter radar data using the SECS technique, J. Geophys. Res., 115, https://doi.org/10.1029/2009JA014832, 2010. a, b
Borg, A. L., Østgaard, N., Pedersen, A., Øieroset, M., Phan, T. D., Germany, G., Åsnes, A., Lewis, W., Stadsnes, J., Lucek, E. A., Rème, H., and Moukis, C.: Simultaneous observations of magnetotail reconnection and bright X-ray aurora on 2. October 2002, J. Geophys. Res., 112, A06215, https://doi.org/10.1029/2006JA011913, 2007. a
Browett, S. D., Fear, R. C., Grocott, A., and Milan, S. E.: Timescales for the penetration of IMF By into the Earth's magnetotail, J. Geophys. Res., 122, 579–593, https://doi.org/10.1002/2016JA023198, 2017. a
Caan, M. N., McPherron, R. L., and Russell, C. T.: Substorm and interplanetary magnetic field effects on the geomagnetic tail lobes, J. Geophys. Res., 80, 191–194, 1975. a
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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.
In this paper we take advantage of having two auroral imaging missions giving simultaneous data...
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