Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 43, issue 2
Articles | Volume 43, issue 2
https://doi.org/10.5194/angeo-43-383-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/angeo-43-383-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 2
Regular paper
 | 
10 Jul 2025
Regular paper |  | 10 Jul 2025

Distinct ionospheric long-term trends in Antarctica due to the Weddell Sea Anomaly

Marayén Canales, Trinidad Duran, Manuel Bravo, Andriy Zalizovski, and Alberto Foppiano

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Short summary
This study investigates an ionospheric anomaly in Antarctica that affects electron concentration during summer. We analyse data from four stations, revealing different trends depending on the season and time of day. Vernadsky shows strong influence of the anomaly, while Port Stanley is less affected, and other stations do not show a clear pattern. These results highlight how local phenomena can modify global trends, providing new information about the Earth's space environment.
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Special issue
Long-term trends in the stratosphere–mesosphere–thermosphere–ionosphere...