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Atmospheric gravity wave propagation direction observed by airglow imaging in the South American sector by A.F. Medeiros; H. Takahashi; R.A. Buriti; K.M. Pinheiro; D. Gobbi is a Physics and Astronomy article available to read on EtoBox.

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Airglow all sky imaging observation has been carried out in three different locations in south America, at Cachoeira Paulista (22.71S, 45.01W) in 1999, Sa ̃o Joa ̃o do Cariri (7.51S, 36.51W) in 2001 and Boa Vista (2.81N, 60.71W) in 2002. Comparing the atmospheric gravity wave characteristics retrieved from the image data for the three different sites and including a previous work at Alcaˆntara (2.31S, 44.51W) carried out by Taylor et al. [1997. Journal of Geophysical Research 102 (D22) 26,283-26,299], we found that there is a preferential propagation direction, from the Continent to the Atlantic Ocean. The observed wave propagation directions reveal that a major part of the waves have their direction from Continent toward Ocean. The possible source of the wave generation is discussed.

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Author

A.F. Medeiros; H. Takahashi; R.A. Buriti; K.M. Pinheiro; D. Gobbi

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 1364-6826)

Published

2005

Language

EN

Field

Physics and Astronomy (Physical Sciences)