Articles | Volume 39, issue 4
Ann. Geophys., 39, 657–685, 2021
https://doi.org/10.5194/angeo-39-657-2021
Ann. Geophys., 39, 657–685, 2021
https://doi.org/10.5194/angeo-39-657-2021
Regular paper
15 Jul 2021
Regular paper | 15 Jul 2021

Dynamic processes in the magnetic field and in the ionosphere during the 30 August–2 September 2019 geospace storm: influence on high frequency radio wave characteristics

Yiyang Luo et al.

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Short summary
The 30 August–2 September 2019 geospace storm and its influence on the characteristics of high frequency radio waves over the People's Republic of China have been analyzed. The geospace storm was weak, the magnetic storm was moderate, and the ionospheric storm was moderate to strongly negative, which manifested itself by the reduction in the ionospheric F-region electron density. Appreciable disturbances were also observed to occur in the ionospheric E-region and possibly in the Es layer.