Evaluation of models proposed for the 1991 revision of the International Geomagnetic Reference Field
Journal of Geomagnetism & Geoelectricity
By: N. W. Peddie
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Abstract
The 1991 revision of the International Geomagnetic Reference Field (IGRF) comprises a definitive main-field model for 1985.0, a main-field model for 1990.0, and a forecast secular-variation model for the period 1990-1995. The five 1985.0 main-field models and five 1990.0 main-field models that were proposed have been evaluated by comparing them with one another, with magnetic observatory data, and with Project MAGNET aerial survey data. The comparisons indicate that the main-field models proposed by IZMIRAN, and the secular-variation model proposed jointly by the British Geological Survey and the US Naval Oceanographic Office, should be assigned relatively lower weight in the derivation of the new IGRF models. -Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evaluation of models proposed for the 1991 revision of the International Geomagnetic Reference Field |
| Series title | Journal of Geomagnetism & Geoelectricity |
| Volume | 44 |
| Issue | 9 |
| Year Published | 1992 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geomagnetism & Geoelectricity |
| First page | 793 |
| Last page | 803 |
| Google Analytic Metrics | Metrics page |