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dc.contributor.author Hysell, D. L.
dc.contributor.author Milla, Marco
dc.contributor.author Rodrigues, F. S.
dc.contributor.author Varney, R. H.
dc.contributor.author Huba, J. D.
dc.date.accessioned 2018-07-24T14:42:29Z
dc.date.available 2018-07-24T14:42:29Z
dc.date.issued 2015-12
dc.identifier.govdoc index-oti2018 (NB)
dc.identifier.issn 2169-9402
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/2060
dc.description En: Journal of Geophysical Research-Space Physics, v. 120, n. 5, (April 2015), p. 3899-3912. es_ES
dc.description.abstract "We present observations of the topside ionosphere made at the Jicamarca Radio Observatory in March and September 2013, made using a full-profile analysis approach. Recent updates to the methodology employed at Jicamarca are also described. Measurements of plasma number density, electron and ion temperatures, and hydrogen and helium ion fractions up to 1500 km altitude are presented for 3 days in March and September. The main features of the observations include a sawtooth-like diurnal variation in ht, the transition height where the O+ ion fraction falls to 50%, the appearance of weak He+ layers just below ht, and a dramatic increase in plasma temperature at dawn followed by a sharp temperature depression around local noon. These features are consistent from day to day and between March and September. Coupled Ion Neutral Dynamics Investigation data from the Communication Navigation Outage Forecast System satellite are used to help validate the March Jicamarca data. The SAMI2-PE model was able to recover many of the features of the topside observations, including the morphology of the plasma density profiles and the light-ion composition. The model, forced using convection speeds and meridional thermospheric winds based on climatological averages, did not reproduce the extreme temperature changes in the topside between sunrise and noon. Some possible causes of the discrepancies are discussed." 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 Energía solar es_ES
dc.subject Plasma (gas ionizado) es_ES
dc.subject Densidad del plasma es_ES
dc.subject Vientos termoesféricos es_ES
dc.subject Observatorios (Jicamarca, Perú) es_ES
dc.subject Ionósfera--Observaciones es_ES
dc.subject Electrones es_ES
dc.subject Variaciones estacionales es_ES
dc.subject Temperatura atmosférica es_ES
dc.subject Climatología--Sensoramiento remoto es_ES
dc.title Topside equatorial ionospheric density, temperature, and composition under equinox, low solar-flux conditions es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Temperatura es_ES
dc.subject.ocde Densidad es_ES
dc.subject.ocde Observación es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Perú es_ES
dc.subject.ocde Procesamiento de datos es_ES
dc.subject.ocde Viento es_ES
dc.subject.ocde Climatología es_ES
dc.identifier.journal Journal of Geophysical Research: Space Physics es_ES
dc.description.peer-review Por pares es_ES
dc.identifier.doi 10.1002/2015JA021168 es_ES

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