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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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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.

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.

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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Dst index data WDC for Geomagnetism http://wdc.kugi.kyoto-u.ac.jp/dst_final/index.html

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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...
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