Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 38, issue 2
Articles | Volume 38, issue 2
https://doi.org/10.5194/angeo-38-507-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/angeo-38-507-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 38, issue 2
Regular paper
 | 
16 Apr 2020
Regular paper |  | 16 Apr 2020

Investigation of sources of gravity waves observed in the Brazilian equatorial region on 8 April 2005

Oluwakemi Dare-Idowu, Igo Paulino, Cosme A. O. B. Figueiredo, Amauri F. Medeiros, Ricardo A. Buriti, Ana Roberta Paulino, and Cristiano M. Wrasse

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Latest update: 23 Nov 2024
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Short summary
Some strong gravity wave activity occurred and was observed on 8 April 2005. This work reports the spectral characteristics of these waves using OH airglow images captured by the all-sky imager installed at São João do Cariri (7.4° S, 36.5° W). A preferential propagation direction was observed due to the positioning of the source and also due to the wind filtering effect. Furthermore, the source of these waves was identified by performing reverse-ray tracing analysis.
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7th Brazilian meeting on space geophysics and aeronomy