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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 34, issue 11
Ann. Geophys., 34, 1019–1030, 2016
https://doi.org/10.5194/angeo-34-1019-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The 14th International Symposium on Equatorial Aeronomy

Ann. Geophys., 34, 1019–1030, 2016
https://doi.org/10.5194/angeo-34-1019-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 16 Nov 2016

Regular paper | 16 Nov 2016

Electrodynamic influence on the diurnal behaviour of neutral daytime airglow emissions

Deepak K. Karan et al.

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Dayglow emission variability is expected to show a symmetric solar zenith-angle-dependent diurnal pattern as the production mechanisms are dominated by solar flux; however, this is not always the case. Our investigation reveals an imprint of equatorial electrodynamics on the neutral dayglow emission variability, as opposed to that of the solar zenith angle. This has implications in gaining a comprehensive understanding of the coupled nature of the ion-neutral behaviour in the upper atmosphere.
Dayglow emission variability is expected to show a symmetric solar zenith-angle-dependent...
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