Geomagnetic field intensity and reversals during the past four million years

Geomagnetic field intensity and reversals during the past four million years

A long and continuous record of the geomagnetic field intensity shows that intensity variations are dominated by two modes. Major episodes of field regeneration prevail on timescales of a few thousand years after most reversals.

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Bibliographische Detailangaben
Veröffentlicht in:Nature (London) 1993-11, Vol.366 (6452), p.234-238
Hauptverfasser: Valet, Jean-pierre, Meynadier, Laure
Format: Artikel
Sprache:eng
Schlagworte:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geology
Geomagnetic field
Geophysics: general, magnetic, electric and thermic methods and properties
Internal geophysics
Paleontology
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Beschreibung
Zusammenfassung:A long and continuous record of the geomagnetic field intensity shows that intensity variations are dominated by two modes. Major episodes of field regeneration prevail on timescales of a few thousand years after most reversals.
ISSN:0028-0836
1476-4687
DOI:10.1038/366234a0