Pandey, V. K. ; Mahajan, K. K. (1989) Role of lower thermospheric neutral concentration and F-2 region ion drifts in the peak electron densities Indian Journal of Radio and Space Physics, 18 . pp. 19-22. ISSN 0367-8393
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Official URL: http://adsabs.harvard.edu//abs/1989IJRSP..18...19P
Abstract
Data of three simultaneously measured ionospheric parameters, namely, the ion-neutral collision frequency in the lower thermosphere, and ion drift and electron concentration in the F2-region, taken from the incoherent scatter radar measurements at Arecibo for the period August 1974-May 1977, have been analyzed. The analysis shows that variability in peak electron density cannot be explained on the basis of changes in the F-region vertical ion drift alone. Changes in neutral concentration, which are seen in the ion-neutral collision frequency in the lower thermosphere, need also be considered.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to National Institute of Science Communication and Information Resources. |
| Keywords: | F 2 Region; Ion Motion; Ionic Collisions; Ionospheric Electron Density; Thermosphere; Collision Rates; Incoherent Scatter Radar; Ionizing Radiation; Neutral Particles; Solar Radiation |
| ID Code: | 75814 |
| Deposited On: | 27 Dec 2011 12:41 |
| Last Modified: | 27 Dec 2011 12:41 |
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