GPS-TEC Variations over the African Low-latitude Ionosphereduring March 2013 and 2015 Geomagnetic Storms

Authors

  • S. O. Ikubanni
    Space Weather Group, Landmark University, P.M.B. 1001, Omu-Aran, Nigeria
  • S. J. Adebiyi
    Space Weather Group, Landmark University, P.M.B. 1001, Omu-Aran, Nigeria
  • B. O. Adebesin
    Space Weather Group, Landmark University, P.M.B. 1001, Omu-Aran, Nigeria
  • O. S. Bolaji
    Department of Physics,University of Tansmania, Australia; Department of Physics, University of Lagos, Nigeria
  • B. J. Adekoya
    Department of Physics, Olabisi Onabanjo University, Ago-Iwoye, Ogun State
  • B. W. Joshua
    Department of Physics, Kebbi State University, Aleiro, Kebbi State
  • J. O. Adeniyi
    Space Weather Group, Landmark University, P.M.B. 1001, Omu-Aran, Nigeria

Keywords:

Disturbance Electric Field, Equatorial ionosphere, Geomagnetic storms, GNSS

Abstract

Intense geomagnetic storms offer opportunity to understand ionospheric response to space weather events. Using Total Electron Content (TEC) data from stations along the east African sector, the two most intense storms during the 24th solar cycle, with similarly occurrence season and time were studied. We observe that ionospheric effect during the main phase is not a function of the severity of the storm, whereas the more intense storm shows greater influence on the African ionosphere during the recovery phase. Plasma movement within the equatorial ionization anomaly (EIA) was evident particularly during the recovery phase, especially during the 2015 event. For both storms, the nighttime/early morning ionospheric effect is more pronounced than the daytime effects across all stations.

 

 

Dimensions

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Published

2020-11-15

How to Cite

GPS-TEC Variations over the African Low-latitude Ionosphereduring March 2013 and 2015 Geomagnetic Storms. (2020). Journal of the Nigerian Society of Physical Sciences, 2(4), 228-240. https://doi.org/10.46481/jnsps.2020.112

Issue

Volume 2, Issue 4, November 2020

Section

Original Research
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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

GPS-TEC Variations over the African Low-latitude Ionosphereduring March 2013 and 2015 Geomagnetic Storms. (2020). Journal of the Nigerian Society of Physical Sciences, 2(4), 228-240. https://doi.org/10.46481/jnsps.2020.112

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