Articles | Volume 35, issue 1
Ann. Geophys., 35, 39–51, 2017
https://doi.org/10.5194/angeo-35-39-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Special issue: The 14th International Symposium on Equatorial Aeronomy
Ann. Geophys., 35, 39–51, 2017
https://doi.org/10.5194/angeo-35-39-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Regular paper 04 Jan 2017
Regular paper | 04 Jan 2017
Induction effects of geomagnetic disturbances in the geo-electric field variations at low latitudes
Vafi Doumbia et al.
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Drabindra Pandit, Basudev Ghimire, Christine Amory-Mazaudier, Rolland Fleury, Narayan Prasad Chapagain, and Binod Adhikari
Ann. Geophys. Discuss., https://doi.org/10.5194/angeo-2020-82, https://doi.org/10.5194/angeo-2020-82, 2020
Revised manuscript under review for ANGEO
Short summary
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This study analyze the climatology of ionosphere over Nepal based on GPS derived VTEC during years 2008 to 2018. The study illustrates the diurnal, monthly, annual, seasonal and solar cycle variations of VTEC. The results clearly revel the presence of equinoctial asymmetry in TEC in maximum phases in 2014 followed by descending, ascending and minimum phases. The winter anomalies are noticed during increasing and maximum phases of the solar cycle 2011 and 2014 from almost all stations considered.
K. S. Tanoh, B. J.-P. Adohi, I. S. Coulibaly, C. Amory-Mazaudier, A. T. Kobea, and P. Assamoi
Ann. Geophys., 33, 143–157, https://doi.org/10.5194/angeo-33-143-2015, https://doi.org/10.5194/angeo-33-143-2015, 2015
Special issue
Short summary
The electrical inductions within the Earth surface due to geomagnetic field variations were examined. For that purpose the records of the geomagnetic and geo-electric field variations observed in West Africa were used. We have found that the geomagnetic field brisk variations induce non-negligible geo-electric field variations at low latitudes. This result implies a possible intense geomagnetically induced current flow in the vicinity of the equatorial electrojet influence area.
The electrical inductions within the Earth surface due to geomagnetic field variations were...
