Pandey, V. K. ; Mahajan, K. K. (1973) Latitudinal distribution of electron concentration from the Alouette-II topside sounder Indian Journal of Radio and Space Physics, 2 . pp. 134-138. ISSN 0367-8393
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Official URL: http://adsabs.harvard.edu//abs/1973IJRSP...2..134P
Abstract
The latitudinal electron distribution at heights up to 3000 km are studied on the basis of the Alouette-2 electron density profiles. The topside electron density is found to decrease with increasing distance from the equator, leading to the formation of a trough between mid- and high-latitudes for the day and nighttime winter hemisphere, and only for nighttime during other seasons. The trough, however, is not always seen at the F2 peak. Plasma scale heights obtained from the electron density profiles exhibit a sharp decrease at and above the trough latitudes. This points to a predominance of atomic oxygen ions and to a depletion of lighter ions at these latitudes.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to National Institute of Science Communication and Information Resources. |
| Keywords: | Alouette 2 Satellite; Electron Density Profiles; Geomagnetic Latitude; Ionospheric Electron Density; Upper Ionosphere; Annual Variations; Diurnal Variations; F 2 Region; Oxygen Atoms |
| ID Code: | 75800 |
| Deposited On: | 27 Dec 2011 12:36 |
| Last Modified: | 27 Dec 2011 12:36 |
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