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Study of the dynamics and evolution of Equatorial Plasma Bubbles using multi-GNSS DIX and ROTI maps over South America

Urheber*innen

da Silva Picanço,  Giorgio Arlan
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Denardini,  Clezio Marcos
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Bronzato Nogueira,  Paulo Alexandre
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Meza,  Amalia Margarita
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Mendoza,  Luciano Pedro Oscar
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Natali,  Maria Paula
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Araujo Resende,  Laysa Cristina
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

de Sousa do Carmo,  Carolina
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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

Wrasse,  Cristiano Max
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Zitation

da Silva Picanço, G. A., Denardini, C. M., Bronzato Nogueira, P. A., Meza, A. M., Mendoza, L. P. O., Natali, M. P., Araujo Resende, L. C., de Sousa do Carmo, C., Barros, D., Wrasse, C. M. (2023): Study of the dynamics and evolution of Equatorial Plasma Bubbles using multi-GNSS DIX and ROTI maps over South America, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-1025


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5018226
Zusammenfassung
In this work, we study new aspects of the development of Equatorial Plasma Bubbles (EPBs) over the South American Region. We analyze maps of the Disturbance Ionosphere indeX (DIX) and the Rate of change of the Total Electron Content Index (ROTI) to evaluate the EPBs development. These indices are calculated using multi-constellation (GPS, GLONASS, Galileo, and BeiDou) and multi-frequency Total Electron Content (TEC) data, which is derived from Global Navigation Satellite System (GNSS) stations distributed across South America. Consequently, the DIX and ROTI maps are calculated from almost 400 GNSS ground stations and used to evaluate the ionospheric disturbances related to EPBs during different space weather conditions. Our results indicate that EPB-related ionospheric disturbances can be driven simultaneously by internal (Earth’s Ionosphere) and external (Solar) triggers since combined effects can be observed in the indices. Finally, we support our analysis by comparing the DIX and ROTI maps with data from other instruments, such as All-Sky Imager and Digital Ionosonde.