Small-scale features in the Earth's magnetic field observed by Magsat
Journal of Geophysical Research Solid Earth
By: J.C. Cain, D.R. Schmitz, and L. Muth
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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.
| 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 Solid Earth |
| DOI | 10.1029/JB089iB02p01070 |
| Volume | 89 |
| Issue | B2 |
| Year Published | 1984 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 7 p. |
| First page | 1070 |
| Last page | 1076 |
| Google Analytic Metrics | Metrics page |