Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 37, issue 6
Articles | Volume 37, issue 6
https://doi.org/10.5194/angeo-37-1063-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/angeo-37-1063-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 6
Regular paper
 | 
28 Nov 2019
Regular paper |  | 28 Nov 2019

Magnetic local time asymmetries in precipitating electron and proton populations with and without substorm activity

Olesya Yakovchuk and Jan Maik Wissing

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Latest update: 23 Nov 2024
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Short summary
We present the magnetic local time (MLT) distribution of energetic particle precipitation into the ionosphere in combination with different substorm activities. In the long term average substorms may increase the night-sector flux by factor 2–4 and eventually reduce the day-time flux. The MLT flux differences themselves may even reach 2 orders of magnitude independently of substorm activity level. Since precipitating particles impact the ozone chemistry, this may have atmospheric implications.
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Special issue
Vertical coupling in the atmosphere–ionosphere system