IGRF candidate models at times of rapid changes in core field acceleration

We submit three candidate models following the call for IGRF-11. We apply a simple modeling approach in spherical harmonics based on a quadratic Taylor expansion for the internal field time variations. We use the D st magnetic index as a proxy for the external field variations. In order to compensat...

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Veröffentlicht in:	Earth, planets, and space planets, and space, 2010-01, Vol.62 (10), p.753-763
Hauptverfasser:	Thébault, Erwan, Chulliat, Arnaud, Maus, Stefan, Hulot, Gauthier, Langlais, Benoit, Chambodut, Aude, Menvielle, Michel
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth and Environmental Science Earth Sciences Geology Geophysics/Geodesy Sciences of the Universe
Online-Zugang:	Volltext
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