Response of the equatorial ionosphere to solar magnetic sector crossing

dc.contributor.author	Sastri, J. H
dc.date.accessioned	2008-09-22T15:31:00Z
dc.date.available	2008-09-22T15:31:00Z
dc.date.issued	1985-04
dc.identifier.citation	Canadian Journal of Physics, Vol, 63, No. 4, pp. 472 - 474	en
dc.identifier.issn	0008-4204
dc.identifier.uri	http://hdl.handle.net/2248/3774
dc.description	Open Access
dc.description.abstract	A superposed epoch analysis has been carried out of h′F values at Kodaikanal (10°14′N, 77°28′E, dip 3.0°N) pertaining to years of high sunspot activity using solar wind sector boundary passages past the earth as key days. It is found that there is a reduction in h′F values at 2000 LT 1 or 2 days after the sector boundary crossing. The amplitude of this effect which is noticed with both (+, −) and (−, +) sector boundary crossings is higher in equinoxes than in solstices. The response of the equatorial F region to sector boundary crossing seems to originate from perturbations of the equatorial east–west electric field in the post-sunset period associated with the enhancement in geomagnetic activity in the wake of sector boundary crossing.	en
dc.language.iso	en	en
dc.publisher	National Research Council of Canada	en
dc.relation.uri	http://pubs.nrc-cnrc.gc.ca/cgi-bin/rp/rp2_abst_e?cjp_p85-073_63_ns_nf_cjp	en
dc.rights	© National Research Council of Canada
dc.subject	Earth Ionosphere:Solar Wind	en
dc.subject	Solar Wind:Earth Ionosphere	en
dc.title	Response of the equatorial ionosphere to solar magnetic sector crossing	en
dc.type	Article	en