Journal
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
Volume 73, Issue 7-8, Pages 741-750Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jastp.2011.02.010
Keywords
Inertio-gravity waves; Ampere force; Field-aligned current
Funding
- Georgian National Science Foundation [GNSF/ST08/5-442]
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Propagation of electromagnetic inertio-gravity (IC) waves in the partially ionized ionospheric E- and F-layers is considered in the shallow water approximation. Accounting of the field-aligned current is the main novelty of the investigation. Existence of two new eigen-frequencies for fast and slow electromagnetic waves is revealed in the ionospheric E-layer. It is shown that in E-layer slowly damping new type of inertial-fast magnetosonic waves can propagate. Slowly damping low-frequency oscillations connected with the field-aligned conductivity are found. Broad spectrum of oscillations is investigated. (C) 2011 Elsevier Ltd. All rights reserved.
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