Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 35, issue 6
Articles | Volume 35, issue 6
https://doi.org/10.5194/angeo-35-1269-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-35-1269-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 35, issue 6
ANGEO Communicates
 | 
28 Nov 2017
ANGEO Communicates |  | 28 Nov 2017

Tail reconnection in the global magnetospheric context: Vlasiator first results

Minna Palmroth, Sanni Hoilijoki, Liisa Juusola, Tuija I. Pulkkinen, Heli Hietala, Yann Pfau-Kempf, Urs Ganse, Sebastian von Alfthan, Rami Vainio, and Michael Hesse

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Short summary
Much like solar flares, substorms occurring within the Earth's magnetic domain are explosive events that cause vivid auroral displays. A decades-long debate exists to explain the substorm onset. We devise a simulation encompassing the entire near-Earth space and demonstrate that detailed modelling of magnetic reconnection explains the central substorm observations. Our results help to understand the unpredictable substorm process, which will significantly improve space weather forecasts.
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