利用扰动电离层指数研究巴西地区赤道和低纬度总电子含量对太阳周期24-25期间等离子体气泡的响应

IF 1.7 4区地球科学 Q3 ASTRONOMY & ASTROPHYSICS

Annales Geophysicae Pub Date : 2022-07-20 DOI:10.5194/angeo-40-503-2022

G. Picanço, C. Denardini, P. Nogueira, L. Resende, C. S. Carmo, S. S. Chen, P. F. Barbosa-Neto, E. Romero‐Hernández

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引用次数: 4

摘要

摘要本文利用扰动电离层指数(DIX)评估了2013 - 2020年巴西赤道和低纬度地区电离层对赤道等离子体泡(EPB)事件的响应。我们将epb期间的DIX变化与离子探空仪和全天成像仪数据进行了比较，旨在评估这些事件的物理特征。我们的结果表明，DIX能够检测epb相关的TEC干扰的强度和发生时间。因此，epb相关的dix响应在研究案例之前、期间和之后与电离层行为一致。最后，我们发现这些扰动的大小遵循太阳活动的大部分趋势，这意味着epb相关的总电子含量变化倾向于在太阳活动高(低)时更高(更低)。

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

Abstract. This work uses the Disturbance Ionosphere indeX (DIX) to evaluate the ionospheric responses to equatorial plasma bubble (EPB) 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 trends of solar activity, meaning that the EPB-related total electron content variations tend to be higher (lower) in high (low) solar activity.

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来源期刊

Annales Geophysicae 地学-地球科学综合

CiteScore

4.30

自引率

0.00%

发文量

审稿时长

2 months

期刊介绍： Annales Geophysicae (ANGEO) is a not-for-profit international multi- and inter-disciplinary scientific open-access journal in the field of solar–terrestrial and planetary sciences. ANGEO publishes original articles and short communications (letters) on research of the Sun–Earth system, including the science of space weather, solar–terrestrial plasma physics, the Earth''s ionosphere and atmosphere, the magnetosphere, and the study of planets and planetary systems, the interaction between the different spheres of a planet, and the interaction across the planetary system. Topics range from space weathering, planetary magnetic field, and planetary interior and surface dynamics to the formation and evolution of planetary systems.