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Observation of quasi seven days oscillation from the troposphere to the ionosphere in the equatorial region

Authors

Paulino,  Igo
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Paulino,  Ana Roberta
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Oliveira,  Ana Rafaely
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Porfírio,  Adriel Jordão
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Moura,  Flávio
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Paulino, I., Paulino, A. R., Oliveira, A. R., Porfírio, A. J., Moura, F. (2023): Observation of quasi seven days oscillation from the troposphere to the ionosphere in the equatorial region, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4969


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021368
Abstract
From April to July 2022, a quasi seven days oscillation was observed in the precipitation at Campina Grande (7.2ºS, 35.9ºW). This oscillation contributed to an increase in the precipitation in 2022 at Campina Grande, which reached 1071 mm, the largest in the past 10 years. The present work characterized this oscillation in the meteorological parameters like, air temperature, precipitation and horizontal wind. Using a meteor radar deployed at São João do Cariri, (7.4ºS, 36.5ºW) this oscillation was investigated in the horizontal wind in the mesosphere and lower thermosphere. Finally, the total electron content estimated from GNSS receivers was used to determine the quasi seven-days oscillation as well. The results suggest an interesting coupling in the whole atmosphere over Campina Grande.