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Atmospheric composition and structure (Airglow and aurora) – Ionosphere (Equatorial ionosphere; Ionospheric irregularities)
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Full-Text Articles in Physical Sciences and Mathematics
Simultaneous Observations Of Equatorial F-Region Plasma Depletions Over Brazil During The Spread-F Experiment (Spreadfex), Pierre-Dominique Pautet, Michael J. Taylor, N. P. Chapagain, H. Takahashi, A. F. Medeiros, F. T. São Sabbas, D. C. Fritts
Simultaneous Observations Of Equatorial F-Region Plasma Depletions Over Brazil During The Spread-F Experiment (Spreadfex), Pierre-Dominique Pautet, Michael J. Taylor, N. P. Chapagain, H. Takahashi, A. F. Medeiros, F. T. São Sabbas, D. C. Fritts
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From September to November 2005, the NASA Living with a Star program supported the Spread-F Experiment campaign (SpreadFEx) in Brazil to study the effects of convectively generated gravity waves on the ionosphere and their role in seeding Rayleigh-Taylor instabilities, and associated equatorial plasma bubbles. Several US and Brazilian institutes deployed a broad range of instruments (all-sky imagers, digisondes, photometers, meteor/VHF radars, GPS receivers) covering a large area of Brazil. The campaign was divided in two observational phases centered on the September and October new moon periods. During these periods, an Utah State University (USU) all-sky CCD imager operated at S˜ao …