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Small-scale features in the Earth's magnetic field observed by Magsat.

Journal of Geophysical Research

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Abstract

A spherical harmonic expansion to degree and order 29 is derived using a selected magnetically quiet sample of Magsat data. Global maps representing the contribution due to terms of the expansion above n = 13 at 400 km altitude are compared with previously published residual anomaly maps and shown to be similar, even in polar regions. An expansion with such a high degree and order displays all but the sharpest features seen by the satellite and gives a more consistent picture of the high-order field structure at a constant altitude than do component maps derived independently. -Authors

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Small-scale features in the Earth's magnetic field observed by Magsat.
Series title:
Journal of Geophysical Research
Volume
89
Issue:
B2
Year Published:
1984
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
1070
Last page:
1076
Number of Pages:
7