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First Observation of an Undular Mesospheric Bore in a Doppler Duct
Annales Geophysicae
  • J. Fechine
  • C. M. Wrasse
  • H. Takahashi
  • A. F. Medeiros
  • P. P. Batista
  • B. R. Clemesha
  • L. M. Lima
  • D. C. Fritts
  • B. Laughman
  • Michael J. Taylor, Utah State University
  • Pierre-Dominique Pautet, Utah State University
  • M. G. Mlynczak
  • J. M. Russell
Document Type
Published by Copernicus Publications on behalf of the European Geosciences Union
Publication Date

On 1 October 2005, during the SpreadFEx campaign, a distinct mesospheric bore was observed over S˜ao Jo˜ao do Cariri (7.4 S, 36.5 W), Brazil by using airglow allsky imagers. The event appeared both in the OI5577 and OH emissions, forming a well extended wave front which was followed by short waves from behind. Simultaneous wind and temperature data obtained by the meteor radar and the TIMED/SABER satellite instrument revealed that the bore event occurred during the Doppler ducting condition in the emission layers.


Published by European Geosciences Union in Annales Geophysicae.

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Citation Information
Fechine, J., C.M. Wrasse, H. Takahashi, A.F. Medeiros, P.P. Batista, B.R. Clemesha, L.M. Lima, D.C. Fritts, B. Laughman, M.J. Taylor, P.D. Pautet, M.G. Mlynczak, and J.M. Russell, First observation of an undular mesospheric bore in a Doppler duct, Ann. Geophys., 27, 1399– 1406, 2009.