Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 36, issue 5
Articles | Volume 36, issue 5
https://doi.org/10.5194/angeo-36-1393-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/angeo-36-1393-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 36, issue 5
Regular paper
 | 
18 Oct 2018
Regular paper |  | 18 Oct 2018

On the approximation of spatial structures of global tidal magnetic field models

Roger Telschow, Christian Gerhards, and Martin Rother

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Latest update: 02 Nov 2025
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Short summary
The extraction of the magnetic signal induced by the oceanic M2 tide is typically based solely on the temporal periodicity of the signal. Here, we propose a system of tailored trial functions that additionally takes the spatial constraint into account that the sources of the signal are localized within the oceans. This construction requires knowledge of the underlying conductivity model but not of the inducing tidal current velocity.
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Dynamics and interaction of processes in the Earth and its...