Preprints
https://doi.org/10.5194/angeo-2021-71
https://doi.org/10.5194/angeo-2021-71
 
27 Jan 2022
27 Jan 2022
Status: a revised version of this preprint is currently under review for the journal ANGEO.

Study of the equatorial and low-latitude TEC response to plasma bubbles during the solar cycle 24–25 over the Brazilian region using a Disturbance Ionosphere indeX

Giorgio Arlan Silva Picanço1, Clezio Marcos Denardini1, Paulo Alexandre Bronzato Nogueira2, Laysa Cristina Araujo Resende1,3, Carolina Sousa Carmo1, Sony Su Chen1, Paulo França Barbosa-Neto1, and Esmeralda Romero-Hernandez4 Giorgio Arlan Silva Picanço et al.
  • 1National Institute for Space Research (INPE), São José dos Campos, SP, Brazil
  • 2Federal Institute of Education, Science and Technology of São Paulo (IFSP), Jacareí, SP, Brazil
  • 3National Space Science Center, Chinese Academy of Science (NSSC/CAS), Beijing, China
  • 4Universidad Autónoma de Nuevo León, Facultad de Ciencias Físico-Matemáticas (UANL/FCFM), Monterrey, Mexico

Abstract. This work uses the Disturbance Ionosphere indeX (DIX) to evaluate the ionospheric responses to Equatorial Plasma Bubbles (EPBs) events from 2013 to 2020 over the Brazilian equatorial and low latitudes. We have compared the DIX variations during EPBs to ionosonde and All-Sky Imager data, aiming to evaluate the physical characteristics of these events. Our results show that the DIX was able to detect EPB-related TEC disturbances in terms of their intensity and occurrence times. Thus, the EPB-related DIX responses agreed with the ionosphere behavior before, during, and after the studied cases. Finally, we found that the magnitude of those disturbances followed most of the trend of solar activity, meaning that the EPB-related TEC variations tend to be higher (lower) in high (low) solar activity.

Giorgio Arlan Silva Picanço et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on angeo-2021-71', Anonymous Referee #1, 18 Feb 2022
    • AC1: 'Reply on RC1', Giorgio A.S. Picanço, 05 Mar 2022
      • RC3: 'Reply on AC1', Anonymous Referee #1, 31 Mar 2022
        • AC2: 'Reply on RC3', Giorgio A.S. Picanço, 06 Apr 2022
  • RC2: 'Comment on angeo-2021-71', Anonymous Referee #2, 30 Mar 2022
    • AC3: 'Reply on RC2', Giorgio A.S. Picanço, 14 Apr 2022

Giorgio Arlan Silva Picanço et al.

Giorgio Arlan Silva Picanço et al.

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Short summary
In this work, we use the Disturbance Ionosphere indeX (DIX) to study Equatorial Plasma Bubbles (EPBs) events over the Brazilian equatorial and low latitudes. Our results showed that the DIX detected EPB-disturbances in terms of their intensity and occurrence times. Therefore, these responses agreed with the ionosphere behavior before, during, and after the studied EPBs. Finally, these disturbances tended to be higher (lower) in high (low) solar activity.