Variation in Total Electron Content Over Ethiopia During the Solar Eclipse 
Events

Uga, Chali Idosa; Gautam, Sujan Prasad; Edward, Uluma; Adhikari, Binod; Teferi, Dessalegn; Giri, Ashutosh; Odhiambo, Athwart Davis; Olabode, Ayomide Oluyemi

doi:10.1029/2023RS007830

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Variation in Total Electron Content Over Ethiopia During the Solar Eclipse Events

Authors

Uga, Chali Idosa

Gautam, Sujan Prasad

Edward, Uluma

Adhikari, Binod

Teferi, Dessalegn

Giri, Ashutosh

Odhiambo, Athwart Davis

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Olabode, Ayomide Oluyemi
1.1 Space Geodetic Techniques, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Uga, C. I., Gautam, S. P., Edward, U., Adhikari, B., Teferi, D., Giri, A., Odhiambo, A. D., Olabode, A. O. (2024): Variation in Total Electron Content Over Ethiopia During the Solar Eclipse Events. - Radio Science, 59, 4, e2023RS007830.
https://doi.org/10.1029/2023RS007830

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5026289

Abstract

This work studies variations of ionospheric total electron content (TEC) during four distinct solar eclipse events over the Ethiopia region. Dual‐frequency global positioning system (GPS) data obtained from UNAVCO over Addis Ababa (9.036°N, 38.76°E) and Bahir Dar (11.6°N, 37.34°E) stations are used to examine the ionospheric variability during two annular solar eclipses on 15 January 2010 and 1 September 2016, a partial solar eclipse on 4 January 2011, and a hybrid solar eclipse (the eclipse path starts out as annular but later changes to total) on 3 November 2013. The results show a significant decrease in TEC values during the occurrence of the solar eclipses. Specifically, the TEC values are reduced to