Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 36, issue 2
Articles | Volume 36, issue 2
https://doi.org/10.5194/angeo-36-337-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/angeo-36-337-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 36, issue 2
Regular paper
 | 
07 Mar 2018
Regular paper |  | 07 Mar 2018

On the relevance of source effects in geomagnetic pulsations for induction soundings

Anne Neska, Jan Tadeusz Reda, Mariusz Leszek Neska, and Yuri Petrovich Sumaruk

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Latest update: 14 Dec 2024
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Short summary
Passive electromagnetic induction soundings in the far field live on the fact that natural electromagnetic field variations (their source signals) fulfill the plane-wave assumption. In the frequency range of geomagnetic pulsations some signals (upstream waves) do and others (field line resonances) do not meet this condition. The consequences for several branches of such soundings are shown. A consequence is that a remote reference site may be situated in another continent than the local site.
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Special issue
The Earth’s magnetic field: measurements, data, and applications...