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NO2 climatology in the northern subtropical region: diurnal, seasonal and interannual variability [Discussion paper]
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dc.contributor.authorGil-Ojeda, Manueles_ES
dc.contributor.authorYela, Margaritaes_ES
dc.contributor.authorGunn, L. N.es_ES
dc.contributor.authorRichter, A.es_ES
dc.contributor.authorAlonso, I.es_ES
dc.contributor.authorChipperfield, M. P.es_ES
dc.contributor.authorCuevas Agulló, Emilioes_ES
dc.contributor.authorIglesias, J.es_ES
dc.contributor.authorNavarro Comas, Mónicaes_ES
dc.contributor.authorPuentedura, Olgaes_ES
dc.contributor.authorRodríguez González, Sergioes_ES
dc.identifier.citationAtmospheric Chemistry and Physics Discussions. 2007, 7, p. 15067–15103es_ES
dc.description.abstractDaily NO2 vertical column density (VCD) has been routinely measured by zenith sky spectroscopy at the subtropical station of Izaña (28° N, 16° W) since 1993 in the framework of the Network for the Detection of Atmospheric Composition Change (NDACC). Based on 14 years of data the first low latitude NO2 VCD climatology has been established and the main characteristics from short timescales of one day to interannual variability are presented. Instrumental descriptions and different sources of errors are described in detail. The observed diurnal cycle follows that expected by gas-phase NOx chemistry, as can be shown by the good agreement with a vertically integrated chemical box model, and is modulated by solar radiation. The seasonal evolution departs from the phase of the hours of daylight, indicating the signature of upper stratospheric temperature changes. From the data record (1993–2006) no significant long-term trends in NO2 VCD can be inferred.es_ES
dc.description.sponsorshipRoutine measurements have been possible thanks to the funding provided by the projects QUILT (EU EVK2-CT2000-0059) SCOUT-O3 (EU 505390-GOCE-CT-2004), TROMPETA (MCyT CGL2004-03669) and is on-going through 15 GEOMON (EU FP6-2005-Global-4-036677).es_ES
dc.publisherEuropean Geosciences Uniones_ES
dc.rightsLicencia CC: Reconocimiento CC BYes_ES
dc.subjectVertical column densityes_ES
dc.subjectNO2 variabilityes_ES
dc.subjectDióxido de nitrógenoes_ES
dc.titleNO2 climatology in the northern subtropical region: diurnal, seasonal and interannual variability [Discussion paper]es_ES
Appears in Collections:Artículos científicos 2005-2009

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