Author(s)

Kaboré M’Bi^1,2*, Diabaté Abidina², Ouattara Frédéric¹

¹Laboratoire de Recherche en Energétique et Météorologie de l’Espace (LAREME) Université Norbert Zongo, Koudougou, Burkina Faso.
²Laboratoire de Matériaux, d’Héliophysique et Environnement (LAMHE), Université Nazi Boni, Bobo Dioulasso, Burkina Faso.

The present work is a comparative study between the foF2 variabilities for two equatorial regions (Ouagadougou: lat. 12°21'N; long. 1°30'E, dip. 1.43° in Africa and Huancayo: Lat. 12°S; Long. 75°12'W in America) during solar cycles 20 and 21 minima and maxima phases under geomagnetic extreme conditions (quiet and disturb). Profiles from these two stations are very similar for all the seasons over the solar cycles. However, measured data from Huancayo station are higher than those from Ouagadougou station during winter with a reverse phenomenon for summer. The investigations suggest that the gap between foF2 values and the reverse phenomenon observed for the two stations may be explained by their hemispheric location (Huancayo in south hemisphere and Ouagadougou in North one). Longitudinal irregularities in ionosphere may also contribute to that little difference observed during the time interval of our investigation.

foF2, Longitudinal Variation, Seasonal Variation

M’Bi, K. , Abidina, D. and Frédéric, O. (2022) Variability of the Critical Frequency foF2 during Minimum and Maximum Phases of Solar Cycles 20 and 21: A Comparative Study between American and African Equatorial Regions. Atmospheric and Climate Sciences, 12, 105-112. doi: 10.4236/acs.2022.121008.