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Scientific Investigations Map 2964

The International Geomagnetic Reference Field, 2005

By Kenneth S. Rukstales and Jeffrey J. Love

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SIM 2964 Plate 1
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This is one of five world charts showing the declination, inclination, horizontal intensity, vertical component, and total intensity of the Earth’s magnetic field at mean sea level at the beginning of 2005. The charts are based on the International Geomagnetic Reference Field (IGRF) main model for 2005 and secular change model for 2005-2010. The IGRF is referenced to the World Geodetic System 1984 ellipsoid.

Additional information about the USGS geomagnetism program is available at: http://geomag.usgs.gov/

 


 


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Version 1.0

Posted April 2007

This text-only version of the plates is accessible as defined in Section 508.
Suggested citation:

Rukstales, K.S., Love, J.J., 2007, The International Geomagnetic Reference Field, 2005: U.S. Geological Survey Scientific Investigations Map 2964, 5 pls., scale 1:30,000,000.



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