Internal Gravity Waves in the Earth's Ionosphere
A. P. Misra, Animesh Roy, Debjani Chatterjee, T. D. Kaladze
TL;DR
This paper investigates low-frequency internal gravity waves in the Earth's ionosphere, focusing on vortex formation, chaos, and the effects of Pedersen conductivity on wave dynamics.
Contribution
It provides a new analysis of vortex structures and chaos in ionospheric IGWs, highlighting the influence of Pedersen conductivity on wave behavior.
Findings
Pedersen conductivity inhibits vortex formation
Chaos emerges in wave-wave interactions
Conductivity affects wave dynamics and structure formation
Abstract
The theory of low-frequency internal gravity waves (IGWs) is readdressed in the stable stratified weakly ionized Earth's ionosphere. The formation of dipolar vortex structures and their dynamical evolution, as well as, the emergence of chaos in the wave-wave interactions are studied both in presence and absence of the Pedersen conductivity. The latter is shown to inhibit the formation of solitary vortices and the onset of chaos.
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