Articles | Volume 38, issue 1
Ann. Geophys., 38, 27–34, 2020
https://doi.org/10.5194/angeo-38-27-2020

Special issue: 7th Brazilian meeting on space geophysics and aeronomy

Ann. Geophys., 38, 27–34, 2020
https://doi.org/10.5194/angeo-38-27-2020

Regular paper 06 Jan 2020

Regular paper | 06 Jan 2020

Ionospheric total electron content responses to HILDCAA intervals

Regia Pereira da Silva et al.

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Short summary
In this work, we studied the HILDCAA disturbance time effects in the TEC by analyzing local time and seasonal dependences, and the influences of the solar wind velocity on a sample of 10 intervals occurring in 2015 and 2016. The main results show great variability in the hourly distribution of the dTEC between one interval and another, seasonal behavior different from that presented by geomagnetic storms, and interestingly no relation between the dTEC disturbances and the magnitude of the HSS.