期刊
GEOPHYSICAL JOURNAL INTERNATIONAL
卷 183, 期 3, 页码 1216-1230出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1365-246X.2010.04804.x
关键词
Magnetic field; Satellite magnetics
资金
- Space Agency of the German Aerospace Centre (DLR) through Federal Ministry of Economics and Technology [50EE0944]
- NASA
- ESA
- CNES
- DARA
- Thomas B. Thriges Foundation
- CONAE
- DMI/DTU Space
- NSF
- Natural Environment Research Council [bgs05003, NER/O/S/2003/00674] Funding Source: researchfish
The eleventh generation of the International Geomagnetic Reference Field (IGRF) was adopted in December 2009 by the International Association of Geomagnetism and Aeronomy Working Group V-MOD. It updates the previous IGRF generation with a definitive main field model for epoch 2005.0, a main field model for epoch 2010.0, and a linear predictive secular variation model for 2010.0-2015.0. In this note the equations defining the IGRF model are provided along with the spherical harmonic coefficients for the eleventh generation. Maps of the magnetic declination, inclination and total intensity for epoch 2010.0 and their predicted rates of change for 2010.0-2015.0 are presented. The recent evolution of the South Atlantic Anomaly and magnetic pole positions are also examined.
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