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dc.contributor.author Fejer, B.G.
dc.contributor.author Souza, J.R.
dc.contributor.author Santos, A.S.
dc.contributor.author Costa Pereira, A. E.
dc.date.accessioned 2018-07-16T12:40:57Z
dc.date.available 2018-07-16T12:40:57Z
dc.date.issued 2005-12
dc.identifier.issn 2169-9402
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/1867
dc.description En: Journal of Geophysical Research: Space Physics, v. 110, n. A12 (December 2005), p. A12310, 1-10. es_ES
dc.description.abstract "We use extensive incoherent scatter radar observations made at the Jicamarca Radio Observatory between 1970 and 2003 to study and model empirically the equatorial zonal plasma drifts near the F region peak using Bernstein polynomials as base functions. Our quiet-time model results confirm that the daytime drifts are westward and are nearly season and solar cycle independent. The nighttime drifts are eastward, have larger magnitudes, and increase strongly with solar flux, particularly near equinox and December solstice. Enhanced geomagnetic activity drives small eastward perturbation drifts during the day and much larger westward disturbance drifts at night. The nighttime drift perturbations are largest near midnight and increase strongly with solar flux near equinox and December solstice but are essentially absent near June solstice. The Jicamarca zonal disturbance drifts can be largely accounted for by disturbance dynamo electric fields with a dominant time delay of about 3–15 hours following enhanced geomagnetic activity. In the postmidnight sector, there are also smaller westward disturbance drifts associated with time delays of about 15–24 hours and perhaps even longer. Our results strongly suggest that the longitudinal dependence of both the quiet and disturbed equatorial nighttime zonal drifts varies with season." es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher Instituto Geofísico del Perú es_ES
dc.rights info:eu-repo/semantics/restrictedAccess es_ES
dc.rights.uri info:eu-repo/semantics/restrictedAccess es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Radar--Perú--Mediciones es_ES
dc.subject Radar de dispersión incoherente es_ES
dc.subject Ionósfera--Investigación--Perú es_ES
dc.subject Plasma espacial es_ES
dc.subject Ciclo solar es_ES
dc.subject Geomagnetismo--Variaciones diurnas es_ES
dc.subject Campos eléctricos es_ES
dc.subject Electrodinámica es_ES
dc.title Climatology of F region zonal plasma drifts over Jicamarca es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Perú es_ES
dc.subject.ocde Observación es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Estaciones del año es_ES
dc.subject.ocde Electrónica es_ES
dc.subject.ocde Física es_ES
dc.identifier.journal Journal of Geophysical Research: Space Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1029/2005JA011324 es_ES

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