Oscillations in F-region doppler velocity in the dip equatorial region associated with ULF geomagnetic pulsations

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/3905

Title:	Oscillations in F-region doppler velocity in the dip equatorial region associated with ULF geomagnetic pulsations
Authors:	Sastri, J. H Ramesh, K. B Rao, D. R. K Rao, J. V. S. V
Keywords:	Doppler effect Equatorial electrojet F region Geomagnetic pulsations Ionospheric disturbances Magnetosphere-ionosphere coupling Fast fourier transformations Low frequencies Periodic variations
Issue Date:	Jul-1993
Publisher:	Elsevier Science
Citation:	Journal of Atmospheric and Terrestrial Physics, Vol. 55, No. 9, pp. 1271 - 1280
Abstract:	Measurements are presented, made on March 24, 1991 over the Kodaikanal, showing that, around sunset, the Doppler velocity of F-region reflections at vertical incidence is influenced by MHD waves, the magnetic effects of which were detected on the ground and tentatively identified as Psc5 micropulsations. The observed Doppler velocity oscillations are attributed to fluctuations in vertical plasma drift induced by the zonal component of time-varying electric fields associated with the magnetic pulsations
Description:	Restricted Access
URI:	http://hdl.handle.net/2248/3905
ISSN:	0021-9169
Appears in Collections:	IIAP Publications

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