Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 37, issue 4
Articles | Volume 37, issue 4
https://doi.org/10.5194/angeo-37-657-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-37-657-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 4
Regular paper
 | 
30 Jul 2019
Regular paper |  | 30 Jul 2019

Postmidnight equatorial plasma irregularities on the June solstice during low solar activity – a case study

Claudia M. N. Candido, Jiankui Shi, Inez S. Batista, Fabio Becker-Guedes, Emília Correia, Mangalathayil A. Abdu, Jonathan Makela, Nanan Balan, Narayan Chapagain, Chi Wang, and Zhengkuan Liu

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Latest update: 26 Dec 2024
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Short summary
This study concerns postmidnight ionospheric irregularities observed during low solar activity conditions. We analyze data from digisondes and optical imaging systems located in an equatorial region over Brazil. The results show that they occur under unfavorable and unexpected conditions. This work can be useful for space weather forecasting during low solar activity.
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