Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/1876
AuthorsApostolov, E. M.* 
Alberca, L.* 
Altadili, D.* 
TitleSolar cycle and seasonal behaviour of quasi two and rive day oscillations in the time variations of fOF2
Issue DateMay-1994
Series/Report no.37/2
URIhttp://hdl.handle.net/2122/1876
Keywordsquasi-2 and 5-day oscillations upper ionosphere
planetary waves
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.99. General or miscellaneous 
AbstractSeasonal and solar cycle variations of the quasi-two- and five-day oscillation amplitudes off f0F2 are evaluated by moving periodogram analysis. The 23 year time series (1964-1986) of fOF2 hourly values of Kaliningrad (54.7°N, 20.62°E), covering the solar cycles 20 and 21, is used for the analysis. Long term variations of these amplitudes are modulated by the 11-year solar cycle and are simultaneously influenced by the geomagnetic activity. The annual variation of the quasi-two- and five-day oscillation amplitudes has very clear maxima near the equinoxes. The mechanism of the influence of the travelling planetary waves in the meteor wind region by vertical plasma drift to the F2-layer electron density maximum is discussed.
Appears in Collections:Annals of Geophysics

Files in This Item:
File Description SizeFormat 
06 apostolov.pdf1.99 MBAdobe PDFView/Open
Show full item record

Page view(s)

102
Last Week
0
Last month
0
checked on Jul 24, 2017

Download(s)

220
checked on Jul 24, 2017

Google ScholarTM

Check