Funding for this research was provided by:
State Tasks for the Geoelectromagnetic Research Center and the Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences
Article History
Received: 8 September 2021
Accepted: 29 November 2021
First Online: 4 January 2022
Declaration
:
: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.