Quiet geomagnetic field representation for all days and latitudes
Journal of Geomagnetism & Geoelectricity
By: W.H. Campbell, E.R. Schiffmacher, and B.R. Arora
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Abstract
This paper describes a technique for obtaining the quiet-time geomagnetic field variation expected for all days of the year and distribution of latitudes from a limited set of selected quiet days within a year at a discrete set of locations. We used a data set of observatories operated by Indian and USSR scientists in 1976 and 1977 near 75°E longitude as illustration. Our method relies upon spatial smoothing of the decomposed spectral components. An evaluation of the fidelity of the resulting model shows correlation coefficients usually above 0.9 at the lower latitudes and near 0.7 at the higher latitudes with variations identified as dependent upon season and field element.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Quiet geomagnetic field representation for all days and latitudes |
| Series title | Journal of Geomagnetism & Geoelectricity |
| DOI | 10.5636/jgg.44.459 |
| Volume | 44 |
| Issue | 6 |
| Year Published | 1992 |
| Language | English |
| Publisher | J-STAGE |
| Description | 22 p. |
| First page | 459 |
| Last page | 480 |
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