Balan, N. ; Iyer, K. N. ; Rao, P. B. (1980) Night time anomolous enhancement in total electron content at Hawai Proceedings of the Symposium, Bangalore, India, May 29 - June 9 . pp. 165-168.
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Abstract
A study of the total electron content measurements for five years covering 1967-1971 at Hawaii shows more than 400 cases of anomalous enhancements during night time. Majority of the enhancements occur during winter season and are centered at 2100-2200 LT and 0100-0200 LT. Duration of the enhancements ranges from 2 to 5 hours and is larger during summer season. Amplitudes of the enhancements are linearly related to the background content as well as to the previous daytime peak content value. Amplitudes of the enhancements are more during equinox season and have a mean value of 6 ×10 to the 16th electrons/sq m. It is suggested that downward flux of ionization from the protonosphere, horizontal winds and reduced loss rate may all contribute to the observed enhancements.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Proceedings of the Symposium, Bangalore, India. |
| Keywords: | Annual Variations; Augmentation; Ionospheric Electron Density; Anomalies; Diurnal Variations; Hawaii; Night; Statistical Analysis |
| ID Code: | 86821 |
| Deposited On: | 13 Mar 2012 11:38 |
| Last Modified: | 13 Mar 2012 11:38 |
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