Devasia, C. V. ; Jyoti, N. ; Subbarao, K. S. V. ; Viswanathan, K. S. ; Tiwari, Diwakar ; Sridharan, R. (2002) On the plausible linkage of thermospheric meridional winds with the equatorial spread F Journal of Atmospheric and Solar-Terrestrial Physics, 64 (1). pp. 1-12. ISSN 1364-6826
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S1364-6826(01)00089-X
Abstract
Some of the characteristic features of thermospheric meridional winds during equinoctial period, associated with equatorial spread F (ESF) and their possible role in the triggering of ESF are presented through case studies of observational events under different geophysical conditions that essentially control the post-sunset F-layer height (h'F) rise. The present study reveals that the polarity and magnitude of the meridional winds become significant with the equatorward wind being present when the h'F is below a critical height for the instability to get triggered. The distinctly different characteristic features of the meridional winds during ESF and non-ESF events are presented and discussed.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Equatorial Spread F; Post-sunset F Layer Height; Electrodynamic Drift; Rayleigh Taylor Plasma Instability; Meridional Wind |
| ID Code: | 54156 |
| Deposited On: | 11 Aug 2011 11:29 |
| Last Modified: | 17 Jul 2012 05:26 |
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