The Appleton Anomaly

The Appleton Anomaly

IN recent communications 1,2 and an earlier letter 3 various workers have shown that electrodynamic drift (that is, magnetohydrodynamic motion of the magnetic field lines) in the F 2 layer would give rise to a phenomenon similar to the observed Appleton anomaly. However 1,2 , the required drift spee...

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Veröffentlicht in:Nature 1965-08, Vol.207 (5000), p.964-965
Hauptverfasser: KENDALL, P. C, WINDLE, D. W
Format: Artikel
Sprache:eng
Schlagworte:
AIR
DIFFUSION
EARTH
ELECTRODYNAMICS
F-LAYER
Geophysics
Humanities and Social Sciences
IONOSPHERE
IONS
LAYERS
letter
LEVELS
LOSSES
MAGNETIC FIELDS
MOTION
multidisciplinary
PHYSICS
PRODUCTION
Science
Science (multidisciplinary)
TEMPERATURE
VARIATIONS
ZONES
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Beschreibung
Zusammenfassung:IN recent communications 1,2 and an earlier letter 3 various workers have shown that electrodynamic drift (that is, magnetohydrodynamic motion of the magnetic field lines) in the F 2 layer would give rise to a phenomenon similar to the observed Appleton anomaly. However 1,2 , the required drift speeds are much smaller than, the 20 m/sec or more predicted by dynamo theory 4,5 .
ISSN:0028-0836
1476-4687
DOI:10.1038/207964a0