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Member Since 2011
Andrew Akala
University of Lagos
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Co-ordinated Studies of Equatorial Ionospheric Scintillation Using Ground-Based Instruments
OBSERVATIONAL AND MODELING STUDIES OF IONOSPHERIC IRREGULARITIES AND SCINTILLATION III POSTER
spa-aeronomy | 15 december 2023
Elijah O. Oyeyemi, Busola Olugbon, Andrew Akala, O...
Recently, a scintillation monitor was installed in Lagos, University of Lagos, (geographic: 3.27°E, 6.48°N; dip latitude -1.72°), Nigeria. The availab...
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Responses of Global Equatorial/Low-Latitude Ionosphere to CME-driven and CIR-driven Geomagnetic Storms
SPACE WEATHER CHALLENGES IN THE NEAR-EARTH GEOSPACE III POSTER
spa-aeronomy | 14 december 2022
Andrew Akala, Yuichi Otsuka
Geomagnetic storms are global disturbances in the Earths magnetic field arising from variations of solar and interplanetary events, and they are capab...
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African and American Equatorial Ionization Anomaly (EIA) Responses to 2013 SSW Event
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
12 march 2022
Omena R. Idolor, Andrew Akala, Segun Bolaji

This study investigates the responses of the African and American Equatorial Ionization Anomaly (EIA) regions to 2013 Sudden Stratospheric Warming ...

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Multi‐Instrument Investigation of the Impact of the Space Weather Events of 6–10 September 2017
SPACE WEATHER
27 december 2021
Paul O. Amaechi, Andrew Akala, Oluwole Oyedokun, ...

We analyzed the space weather events of 6–10 September 2017 using the multi‐instrument approach. We focused on the four X‐class f...

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Responses of the African and American Equatorial Ionization Anomaly (EIA) to 2014 Arctic SSW Events
SPACE WEATHER
02 november 2021
Omena R. Idolor, Andrew Akala, Segun Bolaji

Aside from the influence of forcing from above on the ionosphere during space weather, forcing from below also have significant influence on the io...

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Solar Origins of August 26, 2018 Geomagnetic Storm: Responses of the Interplanetary Medium and Equatorial/Low‐Latitude Ionosphere to the Storm
SPACE WEATHER
05 october 2021
Andrew Akala, Oluwole Oyedokun, Paul O. Amaechi, ...

This study investigates the solar origins of August 26, 2018 geomagnetic storm and the responses of the interplanetary medium and equatorial/low...

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Ground‐Based GNSS and C/NOFS Observations of Ionospheric Irregularities Over Africa: A Case Study of the 2013 St. Patrick’s Day Geomagnetic Storm
SPACE WEATHER
18 february 2021
Paul O. Amaechi, Elijah O. Oyeyemi, Andrew Akala,...

In this paper, the variations of ionospheric irregularities have been studied using C/NOFS, ground‐based GNSS and magnetometer measurements i...

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Interplanetary Origins of Some Intense Geomagnetic Storms During Solar Cycle 24 and the Responses of African Equatorial/Low‐Latitude Ionosphere to Them
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
05 february 2021
Omodele Arowolo, Andrew Akala, Elijah O. Oyeyemi

The interplanetary origins of eight selected intense geomagnetic storms that occurred during solar cycle 24 and the responses of total electron con...

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