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Effect of moderate geomagnetic storms on equatorial plasma bubbles over eastern Africa in the year 2012: Evolution and electrodynamics
Equatorial plasma bubbles (EPBs) are common features of the equatorial and low-latitude ionosphere and are known to cause radio wave scintillation which leads to the degradation of communication and navigation systems. Although these structures have been studied for decades, a full understanding of their evolution and dynamics remains important for space weather mitigation purposes. In this study, we present cases of EPBs occurrences around April and July 2012 geomagnetic storm periods over the African ...
Giday, Nigussie; Katamzi-Joseph, Zama; Stoneback, Russell;
Published by: Advances in Space Research Published on: 04/2020
YEAR: 2020   DOI: 10.1016/j.asr.2020.01.013
Tomographic imaging of East African equatorial ionosphere and study of equatorial plasma bubbles
In spite of the fact that the African ionospheric equatorial region has the largest ground footprint along the geomagnetic equator, it has not been well studied due to the absence of adequate ground-based instruments. This thesis presents research on both tomographic imaging of the African equatorial ionosphere and the study of the ionospheric irregularities/equatorial plasma bubbles (EPBs) under varying geomagnetic conditions. The Multi-Instrument Data Analysis System (MI-DAS), an inversion algorithm, was investigated for i ...
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