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International Geomagnetic Reference Field—the eighth generation

2014; Springer Nature; Volume: 52; Issue: 12 Linguagem: Inglês

10.1186/bf03352342

1880-5981

Mioara Mandéa, Susan Macmillan,

Geological and Geochemical Analysis

The eighth generation of the International Geomagnetic Reference Field (IGRF) was adopted in 1999 by the International Association of Geomagnetism and Aeronomy (IAGA) Division V, Working Group 8. This differs from the previous generation by the addition of the IGRF 2000 which comprises a main-field model for the epoch 2000.0 and a predictive secular-variation model for 2000.0–2005.0. This paper lists the IGRF coefficients and includes contour maps computed using IGRF 2000.