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ANGEO | Articles | Volume 36, issue 6
Ann. Geophys., 36, 1545-1562, 2018
https://doi.org/10.5194/angeo-36-1545-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: Dynamics and interaction of processes in the Earth and its...

Ann. Geophys., 36, 1545-1562, 2018
https://doi.org/10.5194/angeo-36-1545-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 23 Nov 2018

Regular paper | 23 Nov 2018

On the variability of the semidiurnal solar and lunar tides of the equatorial electrojet during sudden stratospheric warmings

Tarique A. Siddiqui et al.
Data sets

Operations of the World Data Centre for Geomagnetism S. J. Reay, E. Clarke, E. Dawson, and S. Macmillan http://www.wdc.bgs.ac.uk/data.html

Solar wind spatial scales in and comparisons of hourly Wind and ACE plasma and magnetic field data J. H. King and N. E. Papitashvili https://omniweb.gsfc.nasa.gov/

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Short summary
Extreme meteorological events such as SSWs induce variabilities in the ionosphere by modulating the atmospheric tides, and these variabilities can be comparable to a moderate geomagnetic storm. The equatorial electrojet (EEJ) is a narrow ribbon of current flowing over the dip equator in the ionosphere and is particularly sensitive to tidal changes. In this study, we use ground-magnetic measurements to investigate the semidiurnal solar and lunar tidal variabilities of the EEJ during SSWs.
Extreme meteorological events such as SSWs induce variabilities in the ionosphere by modulating...
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