Articles | Volume 24, issue 9
https://doi.org/10.5194/acp-24-5405-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-24-5405-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 May 2024
Research article |
| 08 May 2024
| 08 May 2024
Studies on the propagation dynamics and source mechanism of quasi-monochromatic gravity waves observed over São Martinho da Serra (29° S, 53° W), Brazil
Cristiano M. Wrasse
CORRESPONDING AUTHOR
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
Prosper K. Nyassor
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
Ligia A. da Silva
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
State Key Laboratory of Space Weather, Chinese Academy of Sciences, National Space Science Center, Beijin, China
Cosme A. O. B. Figueiredo
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
José V. Bageston
National Institute for Space Research, Southern Space Coordination, Santa Maria, RS, Brazil
Kleber P. Naccarato
National Institute for Space Research, Impacts, Adaptation and Vulnerabilities Division, São José dos Campos, SP, Brazil
Diego Barros
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
Hisao Takahashi
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
Delano Gobbi
National Institute for Space Research, Space Weather Division, São José dos Campos, SP, Brazil
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Gabriel Augusto Giongo, Cristiano Max Wrasse, Pierre-Dominique Pautet, José Valentin Bageston, Prosper Kwamla Nyassor, Cosme Alexandre Oliveira Barros Figueiredo, Anderson Vestena Bilibio, Tracy Moffat-Griffin, Damian John Murphy, Toyese Tunde Ayorinde, Delano Gobbi, and Hisao Takahashi
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Prosper K. Nyassor, Cristiano M. Wrasse, Igo Paulino, Erdal Yiğit, Vera Y. Tsali-Brown, Ricardo A. Buriti, Cosme A. O. B. Figueiredo, Gabriel A. Giongo, Fábio Egito, Oluwasegun M. Adebayo, Hisao Takahashi, and Delano Gobbi
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Hisao Takahashi, Cosme A. O. B. Figueiredo, Patrick Essien, Cristiano M. Wrasse, Diego Barros, Prosper K. Nyassor, Igo Paulino, Fabio Egito, Geangelo M. Rosa, and Antonio H. R. Sampaio
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Prosper K. Nyassor, Cristiano M. Wrasse, Igo Paulino, Eliah F. M. T. São Sabbas, José V. Bageston, Kleber P. Naccarato, Delano Gobbi, Cosme A. O. B. Figueiredo, Toyese T. Ayorinde, Hisao Takahashi, and Diego Barros
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Laysa C. A. Resende, Yajun Zhu, Clezio M. Denardini, Sony S. Chen, Ronan A. J. Chagas, Lígia A. Da Silva, Carolina S. Carmo, Juliano Moro, Diego Barros, Paulo A. B. Nogueira, José P. Marchezi, Giorgio A. S. Picanço, Paulo Jauer, Régia P. Silva, Douglas Silva, José A. Carrasco, Chi Wang, and Zhengkuan Liu
Ann. Geophys., 40, 191–203, https://doi.org/10.5194/angeo-40-191-2022, https://doi.org/10.5194/angeo-40-191-2022, 2022
Short summary
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This study showed the ionospheric response over low-latitude regions in Brazil predicted by Martínez-Ledesma et al. (2020) for the solar eclipse event on 14 December 2020. We used a multi-instrumental and modeling analysis to observe the modifications in the E and F regions and the Es layers over Campo Grande and Cachoeira Paulista. The results showed that solar eclipses can cause significant ionosphere modifications even though they only partially reach the Brazilian low-latitude regions.
Igo Paulino, Ana Roberta Paulino, Amauri F. Medeiros, Cristiano M. Wrasse, Ricardo Arlen Buriti, and Hisao Takahashi
Ann. Geophys., 39, 1005–1012, https://doi.org/10.5194/angeo-39-1005-2021, https://doi.org/10.5194/angeo-39-1005-2021, 2021
Short summary
Short summary
In the present work, the lunar semidiurnal tide (M2) was investigated in the equatorial plasma bubble (EPB) zonal drifts over Brazil from 2000 to 2007. On average, the M2 contributes 5.6 % to the variability of the EPB zonal drifts. A strong seasonal and solar cycle dependency was also observed, the amplitudes of the M2 being stronger during the summer and high solar activity periods.
Lucí Hidalgo Nunes, Gerhard Held, Ana Maria Gomes, Kleber Pinheiro Naccarato, and Raul Reis Amorim
Weather Clim. Dynam. Discuss., https://doi.org/10.5194/wcd-2021-35, https://doi.org/10.5194/wcd-2021-35, 2021
Preprint withdrawn
Short summary
Short summary
During the night of 04/05 June 2016 Campinas, Brazil, was hit by a tornado and by intense lightning activity. The day (Sunday) and time of the tornado occurrence probably contributed to the fact that only a small number of persons suffered injuries, without any fatalities. The phenomenon was evaluated by means of radar observations, lightning activity and damages. The occurrence of the phenomenon has shown that the municipal government and citizens are unprepared to face this kind of event.
Ana Roberta Paulino, Fabiano da Silva Araújo, Igo Paulino, Cristiano Max Wrasse, Lourivaldo Mota Lima, Paulo Prado Batista, and Inez Staciarini Batista
Ann. Geophys., 39, 151–164, https://doi.org/10.5194/angeo-39-151-2021, https://doi.org/10.5194/angeo-39-151-2021, 2021
Short summary
Short summary
Long- and short-period oscillations in the lunar semidiurnal tidal amplitudes in the ionosphere derived from the total electron content were investigated over Brazil from 2011 to 2014. The results showed annual, semiannual and triannual oscillations as the dominant components. Additionally, the most pronounced short-period oscillations were observed between 7 and 11 d, which suggest a possible coupling of the lunar tide and planetary waves.
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Short summary
This present work investigates the propagation dynamics and the sources–source mechanisms of quasi-monochromatic gravity waves (QMGWs) observed between April 2017 and April 2022 at São Martinho da Serra. The QMGW parameters were estimated using a 2D spectral analysis, and their source locations were identified using a backward ray-tracing model. Furthermore, the propagation conditions, sources, and source mechanisms of the QMGWs were extensively studied.
This present work investigates the propagation dynamics and the sources–source mechanisms of...
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