VARIABILITY OF TOTAL ELECTRON CONTENT (TEC) DURING FOUR MAJOR GEOMAGNETIC STORMS OF 2012-2014: A MULTISITE ANALYSIS AT FIXED LONGITUDES

Journal: International Journal of Advanced Research (Vol.13, No. 12)

Publication Date: 2025-12-20

Authors : Moumouni Diallo Saguedo Sawadogo Christian Zoundi Rolland Fleury; Frederic Ouattara;

Page : 1077-1101

Keywords : VTEC geomagnetic storms PPEF DDEF O/N2 ratio;

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This study investigates the ionospheric response to four major geomagnetic storms that occurred on 14 July 2012