Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 42, issue 2
Articles | Volume 42, issue 2
https://doi.org/10.5194/angeo-42-313-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-42-313-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 42, issue 2
Regular paper
 | 
08 Jul 2024
Regular paper |  | 08 Jul 2024

Low-frequency solar radio type II bursts and their association with space weather events during the ascending phase of solar cycle 25

Theogene Ndacyayisenga, Jean Uwamahoro, Jean Claude Uwamahoro, Daniel Izuikedinachi Okoh, Kantepalli Sasikumar Raja, Akeem Babatunde Rabiu, Christian Kwisanga, and Christian Monstein

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Latest update: 23 Apr 2025
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Short summary
This article reports the first observations of 32 type II bursts in cycle 25 from May 2021 to December 2022. The impacts of space weather on ionospheric total electron content (TEC) enhancement, as measured by the rate of change of TEC index (ROTI), are also studied. According to the current analysis, 19 of 32 type II bursts are connected with imminent space weather occurrences, such as radio blackouts and polar cap absorption events, indicating a high likelihood of space weather disturbance. 
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