A high‐resolution model of the external and induced magnetic field at the Earth's surface in the Northern Hemisphere

We describe a method of producing high‐resolution models of the Earth's combined external and induced magnetic field using the method of empirical orthogonal functions (EOFs) applied to the SuperMAG archive of ground‐based magnetometer data. EOFs partition the variance of a system into independ...

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Veröffentlicht in:	Journal of geophysical research. Space physics 2017-02, Vol.122 (2), p.2440-2454
Hauptverfasser:	Shore, R. M., Freeman, M. P., Wild, J. A., Gjerloev, J. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	decomposition of variability disturbance polar equivalent current systems Disturbances Dynamical systems Earth science Earth surface Empirical analysis empirical orthogonal functions external magnetic field Fourier analysis Geophysical data Geophysics Harmonic analysis High resolution Inspection Magnetic fields Magnetism Mathematical models Mathematical morphology Missing data Northern Hemisphere Orthogonal functions Polar environments polar ionosphere Polar regions Redevelopment Regression analysis Solar cycle Solar cycles Solar maximum Solar wind Spherical harmonics Variance
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