International geomagnetic reference field revision 1987.
1987; Society of Geomagnetism and Earth, Planetary and Space Sciences; Volume: 39; Issue: 12 Linguagem: Inglês
10.5636/jgg.39.773
ISSN2185-5765
Tópico(s)Earthquake Detection and Analysis
ResumoThe International Geomagnetic Reference Field (IGRF) is a series of mathematical models of the main geomagnetic field and its secular variation, the models consisting of sets of spherical harmonic (or Gauss) coefficients.The IGRF has become a widely used means of deriving values of the geomagnetic field components in, for example, studies of magnetic anomalies and investigations of charged particle motions in the ionosphere and the magnetosphere.Since the adoption of the first IGRF (
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