The effects of the pre-reversal drift, the EIA asymmetry, and magnetic activity on the equatorial spread F during solar maximum

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dc.contributor.authorLee, C. C.
dc.contributor.authorLiu, J. Y.
dc.contributor.authorReinisch, B. W.
dc.contributor.authorChen, W. S.
dc.contributor.authorChu, F. D.
dc.date.accessioned2018-10-26T10:04:20Z
dc.date.available2018-10-26T10:04:20Z
dc.date.issued2005-03-30
dc.description.abstractWe use a digisonde at Jicamarca and a chain of GPS receivers on the west side of South America to investigate the effects of the pre-reversal enhancement (PRE) in ExB drift, the asymmetry (Ia) of equatorial ionization anomaly (EIA), and the magnetic activity (Kp) on the generation of equatorial spread F (ESF). Results show that the ESF appears frequently in summer (November, December, January, and February) and equinoctial (March, April, September, and October) months, but rarely in winter (May, June, July, and August) months. The seasonal variation in the ESF is associated with those in the PRE ExB drift and Ia. The larger ExB drift (>20m/s) and smaller |Ia| (<0.3) in summer and equinoctial months provide a preferable condition to development the ESF. Conversely, the smaller ExB drift and larger |Ia| are responsible for the lower ESF occurrence in winter months. Regarding the effects of magnetic activity, the ESF occurrence decreases with increasing Kp in the equinoctial and winter months, but not in the summer months. Furthermore, the larger and smaller ExB drifts are presented under the quiet (Kp<3) and disturbed (Kp≥3) conditions, respectively. These results indicate that the suppression in ESF and the decrease in ExB drifts are mainly caused by the decrease in the eastward electric field.es_ES
dc.description.peer-reviewPor pareses_ES
dc.formatapplication/pdfes_ES
dc.identifier.citationLee, C. C., Liu, J. Y., Reinisch, B. W., Chen, W. S., & Chu, F. D. (2005). The effects of the pre-reversal drift, the EIA asymmetry, and magnetic activity on the equatorial spread F during solar maximum.==$Annales Geophysicae, 23$==(3), 745–751. https://doi.org/10.5194/angeo-23-745-2005es_ES
dc.identifier.doihttps://doi.org/10.5194/angeo-23-745-2005es_ES
dc.identifier.journalAnnales Geophysicaees_ES
dc.identifier.urihttp://hdl.handle.net/20.500.12816/3154
dc.language.isoenges_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.relation.ispartofurn:issn:0992-7689
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_ES
dc.subjectIonospherees_ES
dc.subjectIonospheric irregularitieses_ES
dc.subjectEquatorial ionospherees_ES
dc.subject.ocdehttp://purl.org/pe-repo/ocde/ford#1.05.01es_ES
dc.titleThe effects of the pre-reversal drift, the EIA asymmetry, and magnetic activity on the equatorial spread F during solar maximumes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES

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