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Circular current loops, magnetic dipoles and spherical harmonic analysis.

Journal of Geomagnetism & Geoelectricity

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DOI: 10.5636/jgg.32.357

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Abstract

Spherical harmonic analysis (SHA) is the most used method of describing the Earth's magnetic field, even though spherical harmonic coefficients (SHC) almost completely defy interpretation in terms of real sources. Some moderately successful efforts have been made to represent the field in terms of dipoles placed in the core in an effort to have the model come closer to representing real sources. Dipole sources are only a first approximation to the real sources which are thought to be a very complicated network of electrical currents in the core of the Earth. -Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Circular current loops, magnetic dipoles and spherical harmonic analysis.
Series title:
Journal of Geomagnetism & Geoelectricity
DOI:
10.5636/jgg.32.357
Volume
32
Issue:
6
Year Published:
1980
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Geomagnetism & Geoelectricity
First page:
357
Last page:
364
Number of Pages:
8