Effect of Ionization Transport on the Equatorial F -Region

IN his discussion of the Appleton ionospheric anomaly 1 , Mitra 2 pointed out that ionization produced in the region of the dip equator would diffuse downwards along magnetic field lines and hence contribute to the electron concentration at higher latitudes. Rishbeth et al. 3 and Kendall 4 have show...

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Bibliographic Details
Published in:Nature (London) 1965-05, Vol.206 (4985), p.705-706
Main Authors: MOFFETT, R. J, HANSON, W. B
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
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Summary:IN his discussion of the Appleton ionospheric anomaly 1 , Mitra 2 pointed out that ionization produced in the region of the dip equator would diffuse downwards along magnetic field lines and hence contribute to the electron concentration at higher latitudes. Rishbeth et al. 3 and Kendall 4 have shown that diffusion and the usual production and loss processes cannot, however, produce the observed anomalous behaviour. It is clear that transport of ionization by other means is also important.
ISSN:0028-0836
1476-4687
DOI:10.1038/206705a0