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Title: | Cusps and Distortions in Ionospheric Fl-layer observed over Kodaikanal |
Authors: | Sankaran, K. S |
Keywords: | Ionospheric Fl-layer |
Issue Date: | 1964 |
Publisher: | Indian Meteorological Department |
Citation: | The Indian Journal of Meteorology and Geophysics, Vol. 15, No. 1, pp. 75-82 |
Abstract: | A special study of cusps and distortions in Fl-layers traces has been made from ionograms obtained at Kodaikanal during a period of about half a solar cycle. Two differnet types of disturbance have been noticed. The first one is a stationary type occuring near the low frequency end of the Fl-layer trace. It is suggested that these ridges found in the course of a disturbance are connected with the E2-layer. In the second type, the cusp appears to move along the virtual height curve and these are ascribed to travelling wave-type disturbance. It is also found that these disturbances are associated with the disappearence. It is also found that these disturbances are associated with the disappearance of equatorial E/subs/ on magnetically disturbed days. An explanation of the phenomenon is attempted in terms of internal gravity waves proposed by Hines (1960) |
URI: | http://hdl.handle.net/2248/973 |
Appears in Collections: | IIAP Publications |
Files in This Item:
File | Description | Size | Format | |
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SANKARAN.pdf | 2.9 MB | Adobe PDF | View/Open |
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