Articles | Volume 34, issue 11
Regular paper
16 Nov 2016
Regular paper |  | 16 Nov 2016

Electrodynamic influence on the diurnal behaviour of neutral daytime airglow emissions

Deepak K. Karan, Duggirala Pallamraju, Kedar A. Phadke, Tatiparti Vijayalakshmi, Tarun K. Pant, and Shyamoli Mukherjee

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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.