Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Ionospheric Variations Induced by Thunderstorms in the Central Region of Argentina during the RELAMPAGO-CACTI campaign

Constanza I. Villagrán Asiares
* ORCID logo ,
M. Gabriela Nicora
,
Amalia Meza
,
María Paula Paula Natali
,
Eldo E. Ávila
,
Marcos Rubinstein
ORCID logo ,
Farhad Rachidi
ORCID logo
Version 1 : Received: 26 July 2023 / Approved: 27 July 2023 / Online: 27 July 2023 (12:08:01 CEST)

A peer-reviewed article of this Preprint also exists.

Villagrán Asiares, C.I.; Nicora, M.G.; Meza, A.; Natali, M.P.; Ávila, E.E.; Rubinstein, M.; Rachidi, F. Ionospheric Variations Induced by Thunderstorms in the Central Region of Argentina during the RELAMPAGO–CACTI Campaign. Atmosphere 2023, 14, 1386. Villagrán Asiares, C.I.; Nicora, M.G.; Meza, A.; Natali, M.P.; Ávila, E.E.; Rubinstein, M.; Rachidi, F. Ionospheric Variations Induced by Thunderstorms in the Central Region of Argentina during the RELAMPAGO–CACTI Campaign. Atmosphere 2023, 14, 1386.

Abstract

This study investigates the ionospheric variations resulting from thunderstorms that occurred between 00:00 UTC and 08:00 UTC on November 10, 2018, in the central region of Argentina, site of the RELAMPAGO-CACTI Project (Remote sensing of Electrification, Lightning, and Mesoscale/microscale Processes with Adaptive Ground Observations; Clouds, Aerosols, and Complex Terrain Interactions). The data used were the Total Electron Content (TEC), which was computed from Global Navigation Satellite System (GNSS) measurements provided by the Argentinian Continuous Satellite Monitoring Network (RAMSAC by its Spanish acronym) stations and the atmospheric electrical activity data that were provided by the Earth Networks Total Lightning Network (ENTLN). We observed that the generated disturbances have periods less than or equal to 100 minutes and peak-to-peak DVTEC amplitude values reaching up to 1.35 TECU (1 Total electron content unit =1016electrons/m2). We also noted that these atmospheric gravity waves, which show the highest peak-to-peak amplitudes, occur during periods of intense lightning activity. Finally, we found that for a day with Atmospheric Electrical Activity (AEA), the peak-to-peak amplitudes of the waves are approximately 2.91 times greater than the peak-to-peak amplitudes of a day without AEA.

Keywords

Thunderstorm; Ionosphere; Atmospheric Gravity Waves; RELAMPAGO-CACTI

Subject

Environmental and Earth Sciences, Atmospheric Science and Meteorology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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