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dc.contributor.author Rodrigues, F. S.
dc.contributor.author Smith, J. M.
dc.contributor.author Milla, Marco
dc.contributor.author Stoneback, R. A.
dc.date.accessioned 2018-06-25T15:35:54Z
dc.date.available 2018-06-25T15:35:54Z
dc.date.issued 2015-01-13
dc.identifier.govdoc index-oti2018
dc.identifier.issn 2169-9402
dc.identifier.uri http://repositorio.igp.gob.pe/handle/IGP/1508
dc.description En: Journal of Geophysical Research: Space Physics, v. 120, n. 2, (February 2015), p. 1452-1459. es_ES
dc.description.abstract "One of the most interesting observations made by the Communication/Navigation Outage Forecasting System (C/NOFS) satellite mission was the detection of average equatorial ionospheric vertical drifts that largely differed from model predictions. C/NOFS measurements showed, in particular, downward drifts in the afternoon sector, and upward drifts around local midnight hours during the 2008 and 2009 extreme solar minimum. The unexpected behavior of the drifts has important implications for ionospheric modeling and suggests the necessity for a better understanding of the low‐latitude electrodynamics. We used ground‐based radar measurements to quantify the seasonal and solar flux variability of daytime equatorial drifts at lower altitudes (∼150 km) than those probed by C/NOFS (above ∼400 km). We found that average vertical drifts at 150 km altitude are in good agreement with model predictions of F region drifts and did not show the signatures of an enhanced semidiurnal pattern, as seen by C/NOFS. Comparison of the 150 km echo drifts with model predictions also shows that the increase (decrease) with height of the vertical drifts in the morning (afternoon) hours is a regular feature of the equatorial ionosphere. It occurred in all seasons and solar flux conditions between 2001 and 2011." es_ES
dc.format application/pdf es_ES
dc.language.iso eng es_ES
dc.publisher American Geophysical Union (AGU) es_ES
dc.rights info:eu-repo/semantics/openAccess es_ES
dc.rights.uri http://creativecommons.org/licences/by-nc-nd/2.5/pe/ es_ES
dc.source Repositorio institucional - IGP es_ES
dc.subject Ionósfera es_ES
dc.subject Alta atmósfera es_ES
dc.subject Ciclo solar es_ES
dc.subject Actividad solar es_ES
dc.subject Variaciones estacionales es_ES
dc.subject Radar es_ES
dc.title Daytime ionospheric equatorial vertical drifts during the 2008–2009 extreme solar minimum es_ES
dc.type info:eu-repo/semantics/article es_ES
dc.subject.ocde Radar es_ES
dc.subject.ocde Atmósfera es_ES
dc.subject.ocde Radiación solar 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 10.1002/2014JA020478 es_ES

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