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| Titel |
An interpretation of ion composition diurnal variation deduced from EISCAT observations |
| VerfasserIn |
A. V. Mikhailov, W. Kofman |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
0992-7689
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| Digitales Dokument |
URL |
| Erschienen |
In: Annales Geophysicae ; 19, no. 3 ; Nr. 19, no. 3, S.351-358 |
| Datensatznummer |
250014224
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| Publikation (Nr.) |
 copernicus.org/angeo-19-351-2001.pdf |
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| Zusammenfassung |
Physical interpretation is
made of the O+/Ne diurnal variations in summer, revealed by Litvine
et al. (1998) from the EISCAT observations. It is shown that the observed
anti-correlation between the Z50 parameter, corresponding to the
transition region between 50% of molecular and atomic ions, and the width Dz
of the transition, defined as the altitude width between 10% and 90% of the O+/Ne
ratio, can be reproduced in model calculations and the result of different
recombination laws (quadratic in the lower and linear in the upper ionosphere)
as well as diurnal variations in the photo-ionization rates.
Key words.Ionosphere (ion chemistry
and composition; modeling and forecasting) |
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