On regional geomagnetic charts
Journal of Geomagnetism & Geoelectricity
By: L.R. Alldredge
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Abstract
When regional geomagnetic charts for areas roughly the size of the US were compiled by hand, some large local anomalies were displayed in the isomagnetic lines. Since the late 1960s, when the compilation of charts using computers and mathematical models was started, most of the details available in the hand drawn regional charts have been lost. One exception to this is the Canadian magnetic declination chart for 1980. This chart was constructed using a 180 degrees spherical harmonic model. -from Author
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | On regional geomagnetic charts |
| Series title | Journal of Geomagnetism & Geoelectricity |
| Volume | 39 |
| Issue | 12 |
| Year Published | 1987 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Geomagnetism & Geoelectricity |
| First page | 723 |
| Last page | 738 |
| Google Analytic Metrics | Metrics page |