%0 Journal Article
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%3 Planetary waves signatures in the equatorial.pdf
%B Journal of Atmospheric and Solar-Terrestrial Physics
%@dissemination WEBSCI; PORTALCAPES; AGU; MGA; COMPENDEX.
%2 sid.inpe.br/mtc-m16@80/2006/06.14.18.33.45
%4 sid.inpe.br/mtc-m16@80/2006/06.14.18.33
%X Upward transport of wave energy and momentum due to gravity, tidal and planetary waves from below and extra-tropics controls the phenomenology of the equatorial atmosphereionosphere system. An important aspect of this phenomenology is the development of small- and large-scale structures including thin layers in the mesosphere and E-region, and the formation of wide spectrum plasma structures of the equatorial F-region, widely known as equatorial spread F/plasma bubble irregularities (that are known to have significant impact on space application systems based on trans-ionospheric radio waves propagation). It seems that the effects of tidal and gravity waves at mesospheric and thermospheric heights and their control of ionospheric densities, electric fields and currents are relatively better known than are the effects originating from vertical coupling due to planetary waves. Results from airglow, radar and ionospheric sounding observations demonstrate the existence of significant planetary wave influence on plasma parameters at E- and F-region heights over equatorial latitudes. We present and discuss here some results showing planetary wave oscillations in concurrent mesospheric winds and equatorial electrojet intensity variations in the Indian sector as well as in the mesospheric airglow and F-layer height variation in Brazil. Also presented are evidences of planetary wave-scale oscillations in equatorial evening pre-reversal electric field (F-region vertical drift) and their effects on equatorial spread F /plasma bubble irregularity development and day-to-day variability.
%8 Feb.
%N 3/5
%T Planetary wave signatures in the equatorial atmosphere-ionosphere system, and mesosphere- E- and F-region coupling
%@secondarytype PRE PI
%K Planetary wave effects, Equatorial ionosphere, Pre-reversal vertical drift, Equatorial electrojet, MF radar winds, Equatorial spread F, SPORADIC-E LAYERS, IONIZATION DRIFT VELOCITIES, QUASI 16-DAY OSCILLATION, ZONAL ELECTRIC-FIELD, SPREAD-F, QUASI-2-DAY WAVE, PLASMA DRIFTS, PREREVERSAL ENHANCEMENT, LOWER THERMOSPHERE, AIRGLOW EMISSIONS.
%@group DAE-INPE-MCT-BR
%@group DAE-INPE-MCT-BR
%@group DAE-INPE-MCT-BR
%@group DAE-INPE-MCT-BR
%@group DAE-INPE-MCT-BR
%@secondarykey INPE-13781--PRE/8967
%@copyholder SID/SCD
%@issn 1364-6826
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Aeronomia (INPE/DAE),
%@affiliation National MST Radar Facility
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Aeronomia (INPE.DAE),
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Aeronomia (INPE.DAE),
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Aeronomia (INPE. DAE),
%@affiliation University of Massachusetts
%@affiliation Instituto Nacional de Pesquisas Espaciais, Divisão de Aeronomia (INPE. DAE),
%P 509-522
%@documentstage simone
%D 2006
%V 68
%A Abdu, Mangalathayil Ali,
%A Ramkumar, T. K.,
%A Batista, Inez Staciarini,
%A Brum, Crhistiano Garnett Marques,
%A Takahashi, Hisao,
%A Reinisch, B. W.,
%A Sobral, José Humberto Andrade,
%@area CEA