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Comparison of GOME-2/MetOp total ozone data with Brewer spectroradiometer data over the Iberian Peninsula
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Antón, Manuel | es_ES |
dc.contributor.author | Loyola, Diego | es_ES |
dc.contributor.author | López Bartolomé, María | es_ES |
dc.contributor.author | Vilaplana Guerrero, José Manuel | es_ES |
dc.contributor.author | Bañón García, Manuel | es_ES |
dc.contributor.author | Zimmer, Walter | es_ES |
dc.contributor.author | Serrano Pérez, Antonio | es_ES |
dc.date.accessioned | 2016-03-14T09:29:01Z | - |
dc.date.available | 2016-03-14T09:29:01Z | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Annales Geophysicae. 2009, 27(4), p. 1377-1386 | es_ES |
dc.identifier.issn | 0992-7689 | - |
dc.identifier.issn | 1432-0576 | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11765/1294 | - |
dc.description.abstract | The 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.sponsorship | This 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.format | application/pdf | - |
dc.language.iso | eng | es_ES |
dc.publisher | European Geosciences Union | es_ES |
dc.rights | Licencia CC: Reconocimiento CC BY | es_ES |
dc.subject | Total ozone data | - |
dc.subject | Brewer spectroradiometers | - |
dc.subject | Espectrofotómetros Brewer | es_ES |
dc.subject | Ozono | es_ES |
dc.subject | GOME-2/MetOp | es_ES |
dc.title | Comparison of GOME-2/MetOp total ozone data with Brewer spectroradiometer data over the Iberian Peninsula | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.relation.publisherversion | https://dx.doi.org/10.5194/angeo-27-1377-2009 | es_ES |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es_ES |
Colecciones: | Artículos científicos 2005-2009 |
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