Journal of geomagnetism and geoelectricity · 1995 · 84 citations · 2 references
Natural SciencesEarth SciencesGeophysicsElectromagneticsElectromagnetismGeomagnetismPlanetary MagnetospheresSecular VariationExpansionGeomagnetic Field ModelsGeomagnetic Reference Field ModelingMagnetic Reference FieldsMagnetic Reference ModelsSpherical Harmonic AnalysisSpherical Harmonic Field ModelingSpherical Harmonic Representation
The International Geomagnetic Reference Field (IGRF) is a series of mathematical models of the Earth's main magnetic field and its secular variation. Each model comprises a set of spherical harmonic (or Gauss) coefficients, gnm and hnm, in a series expansion of the geomagnetic potential, N n a 1n+1 V=al Z \-l ~g. cosmo+hm sin m)Pm(cos0), n=I m=r r
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International Geomagnetic Reference Field—2000
Mioara Mandéa · Pure and Applied Geophysics · 2000 · 24 citations
R. A. Langel · Physics of The Earth and Planetary Interiors · 1992 · 17 citations