The Accuracy of IRI in the Description of Development of the Equatorial (Appleton) Anomaly

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dc.creatorDumin, Yurii V.
dc.date2004-11-12
dc.date2007-01-31
dc.date.accessioned2026-07-07T09:37:47Z
dc.date.available2026-07-07T09:37:47Z
dc.descriptionAn accuracy of the last version of International Reference Ionosphere IRI-2001 at low latitudes is tested by a detailed comparison of longitudinal variations in the equatorial anomaly development following from this model with the ones given by independent ISS-b satellite data. The critical frequency of F2-layer was calculated by either CCIR or URSI submodel, both of which are incorporated into IRI-2001. The main conclusion of our analysis is that the longitudinal variations given by CCIR are substantially oversmoothed in comparison with the ISS-b satellite data, and the variations given by URSI are further smoothed with respect to the CCIR ones. Therefore, further improvements of model description of the low-latitude F2-layer are desirable.
dc.description6 pages, including 1 table and 2 figures. Report presented at 35th Scientific Assembly of the Committee on Space Research (Paris, France, 2004); submitted to "Advances in Space Research". Ver.2: introductory sections extended, one bibliographic reference added, black-and-white figures changed by the color ones, other minor corrections. Ver.3: serious error in Fig.2 and a respective portion of the text corrected, the entire text reformatted; version accepted for publication by "Advances in Space Research"
dc.identifierhttps://arxiv.org/abs/physics/0411124
dc.identifierhttp://arxiv.org/abs/physics/0411124
dc.identifierAdv. Space Res., v.39, no.5, pp.687-690 (2007)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160584
dc.subjectSpace Physics
dc.subjectGeophysics
dc.titleThe Accuracy of IRI in the Description of Development of the Equatorial (Appleton) Anomaly
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