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dc.contributor.author
Ezquer, Rodolfo Gerardo
dc.contributor.author
López, J. L.
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Scidá, L. A.
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Cabrera, M. A.
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Zolesi, B.
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Bianchi, C.
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Pezzopane, M.
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Zuccheretti, E.
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Mosert, Marta Estela
dc.date.available
2017-02-06T21:13:24Z
dc.date.issued
2014-01
dc.identifier.citation
Ezquer, Rodolfo Gerardo; López, J. L.; Scidá, L. A.; Cabrera, M. A.; Zolesi, B.; et al.; Behaviour of ionospheric magnitudes of F2 region over Tucumán during a deep solar minimum and comparison with the IRI 2012 model predictions; Elsevier; Journal Of Atmospheric And Solar-terrestrial Physics; 107; 1-2014; 89-98
dc.identifier.issn
1364-6826
dc.identifier.uri
http://hdl.handle.net/11336/12574
dc.description.abstract
In this paper we analyze the behaviour of the critical frequency of the F2 region of the ionosphere (foF2) and the height of the maximum density of free electrons in F2 region (hmF2) over Tucumán (26.9°S, 294.6°E), during the deep solar minimum occurred in 2008–2009. Data used were compared with those obtained at solar minimum observed in 1975–1976
In addition, we check the validity of the International Reference Ionosphere model (IRI), in the version 2012, to predict the maximum free electron density in the ionosphere (NmF2) above the mentioned station, for very low solar activity.
The results show that: (a) Ionization was lowest for recent solar minimum. (b) The semmianual anomaly which are present in the behaviour of foF2 at times of increased solar activity, was not clearly observed during the period 2008–2009. This phenomenon could be related with the very low solar activity for that period, confirming the relationship of the amplitude of this anomaly with the solar activity reported by other authors. (c) In most cases, the values of hmF2 recorded in the deep solar minimum are lower than those observed in the period 1975–1976, suggesting a decrease in the height of the ionosphere in the course of time, which could be related to the greenhouse effect in the atmosphere and the anomalously low solar extreme-ultraviolet irradiance. (d) IRI predictions show significant deviations from the experimental values, indicating the need for improvements in the model.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
Ionosonde Measurements
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F2 Layer Critical Frequency
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Solar Activity
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Iri Model
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Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Behaviour of ionospheric magnitudes of F2 region over Tucumán during a deep solar minimum and comparison with the IRI 2012 model predictions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-02-03T14:03:48Z
dc.journal.volume
107
dc.journal.pagination
89-98
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Ezquer, Rodolfo Gerardo. Universidad Tecnológica Nacional. Facultad Regional Tucumán. Centro de Investigación de la Atmósfera Superior y Radiopropagación; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Física. Laboratorio de Ionosfera; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: López, J. L.. Universidad Tecnológica Nacional. Facultad Regional Tucumán. Centro de Investigación de la Atmósfera Superior y Radiopropagación; Argentina
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Fil: Scidá, L. A.. Universidad Tecnológica Nacional. Facultad Regional Tucumán. Centro de Investigación de la Atmósfera Superior y Radiopropagación; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Departamento de Física. Laboratorio de Ionosfera; Argentina
dc.description.fil
Fil: Cabrera, M. A.. Universidad Tecnológica Nacional. Facultad Regional Tucumán. Centro de Investigación de la Atmósfera Superior y Radiopropagación; Argentina. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnologia; Argentina
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Fil: Zolesi, B.. Istituto Nazionale Di Geofisica E Vulcanologia; Italia
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Fil: Bianchi, C.. Istituto Nazionale Di Geofisica E Vulcanologia; Italia
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Fil: Pezzopane, M.. Istituto Nazionale Di Geofisica E Vulcanologia; Italia
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Fil: Zuccheretti, E.. Istituto Nazionale Di Geofisica E Vulcanologia; Italia
dc.description.fil
Fil: Mosert, Marta Estela. Consejo Nacional de Investigaciones CientiÂficas y Tecnicas. Centro Cientifico Tecnologico San Juan. Instituto de Ciencias Astronomicas de la Tierra y del Espacio; Argentina. Universidad Nacional de San Juan; Argentina
dc.journal.title
Journal Of Atmospheric And Solar-terrestrial Physics
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jastp.2013.11.010
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S136468261300309X
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