Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.11765/1294
Comparison of GOME-2/MetOp total ozone data with Brewer spectroradiometer data over the Iberian Peninsula
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dc.contributor.authorAntón, Manueles_ES
dc.contributor.authorLoyola, D.es_ES
dc.contributor.authorLópez Bartolomé, Maríaes_ES
dc.contributor.authorVilaplana, José Manueles_ES
dc.contributor.authorBañón García, Manueles_ES
dc.contributor.authorZimmer, W.es_ES
dc.contributor.authorSerrano Pérez, Antonioes_ES
dc.date.accessioned2016-03-14T09:29:01Z-
dc.date.available2016-03-14T09:29:01Z-
dc.date.issued2009-
dc.identifier.citationAnnales Geophysicae. 2009, 27(4), p. 1377-1386es_ES
dc.identifier.issn0992-7689-
dc.identifier.issn1432-0576-
dc.identifier.urihttp://hdl.handle.net/20.500.11765/1294-
dc.description.abstractThe main objective of this article is to compare the total ozone data from the new Global Ozone Monitoring Experiment instrument (GOME-2/MetOp) with reliable ground-based measurement recorded by five Brewer spectroradiometers in the Iberian Peninsula. In addition, a similar comparison for the predecessor instrument GOME/ERS-2 is described. The period of study is a whole year from May 2007 to April 2008. The results show that GOME-2/MetOp ozone data already has a very good quality, total ozone columns are on average 3.05% lower than Brewer measurements. This underestimation is higher than that obtained for GOME/ERS-2 (1.46%). However, the relative differences between GOME-2/MetOp and Brewer measurements show significantly lower variability than the differences between GOME/ERS-2 and Brewer data. Dependencies of these relative differences with respect to the satellite solar zenith angle (SZA), the satellite scan angle, the satellite cloud cover fraction (CF), and the ground-based total ozone measurements are analyzed. For both GOME instruments, differences show no significant dependence on SZA. However, GOME-2/MetOp data show a significant dependence on the satellite scan angle (+1.5%). In addition, GOME/ERS-2 differences present a clear dependence with respect to the CF and ground-based total ozone; such differences are minimized for GOME-2/MetOp. The comparison between the daily total ozone values provided by both GOME instruments shows that GOME-2/MetOp ozone data are on average 1.46% lower than GOME/ERS-2 data without any seasonal dependence. Finally, deviations of a priori climatological ozone profile used by the satellite retrieval algorithm from the true ozone profile are analyzed. Although excellent agreement between a priori climatological and measured partial ozone values is found for the middle and high stratosphere, relative differences greater than 15% are common for the troposphere and lower stratosphere.es_ES
dc.description.sponsorshipThis work was partially supported by Ministerio de Educacion y Ciencia under project CGL2005-05693-C03-03/CLI and by Ministerio de Ciencia e Innovacion under project CGL2008-05939-C03-02/CLI.-
dc.formatapplication/pdf-
dc.language.isoenges_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.rightsLicencia CC: Reconocimiento CC BYes_ES
dc.subjectTotal ozone data-
dc.subjectBrewer spectroradiometers-
dc.subjectEspectrofotómetros Breweres_ES
dc.subjectOzonoes_ES
dc.subjectGOME-2/MetOpes_ES
dc.titleComparison of GOME-2/MetOp total ozone data with Brewer spectroradiometer data over the Iberian Peninsulaes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://dx.doi.org/10.5194/angeo-27-1377-2009es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
Appears in Collections:Artículos científicos 2005-2009


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