The magnetospheric disturbance ring current as a source for probing the deep earth electrical conductivity
Pure and Applied Geophysics PAGEOPH
By: W.H. Campbell
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Abstract
Two current rings have been observed in the equatorial plane of the earth at times of high geomagnetic activity. An eastward current exists between about 2 and 3.5 earth radii (Re) distant, and a larger, more variable companion current exists between about 4 and 9 Re. These current regions are loaded during geomagnetic substorms. They decay, almost exponentially, after the cessation of the particle influx that attends the solar wind disturbance. This review focuses upon characteristics needed for intelligent use of the ring current as a source for induction probing of the earth's mantle. Considerable difficulties are found with the assumption that Dst is a ring-current index. ?? 1990 Birkha??user Verlag.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The magnetospheric disturbance ring current as a source for probing the deep earth electrical conductivity |
| Series title | Pure and Applied Geophysics PAGEOPH |
| DOI | 10.1007/BF00878018 |
| Volume | 134 |
| Issue | 4 |
| Year Published | 1990 |
| Language | English |
| Publisher location | Birkha??user-Verlag |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Pure and Applied Geophysics PAGEOPH |
| First page | 541 |
| Last page | 557 |
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