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Testing the daytime oxidizing capacity of the troposphere: 1994 OH field campaign at the Izaña Observatory, Tenerife
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dc.contributor.authorArmerding, W.es_ES
dc.contributor.authorComes, F. J.es_ES
dc.contributor.authorCrawack, H. J.es_ES
dc.contributor.authorForberich, O.es_ES
dc.contributor.authorGold, G.es_ES
dc.contributor.authorRuger, C.es_ES
dc.contributor.authorSpiekermann, M.es_ES
dc.contributor.authorWalter, J.es_ES
dc.contributor.authorCuevas Agulló, Emilioes_ES
dc.contributor.authorRedondas, Albertoes_ES
dc.contributor.authorSchmitt, R.es_ES
dc.contributor.authorMatuska, P.es_ES
dc.identifier.citationJournal of Geophysical Research: Atmospheres. 1997, 102(D9), p. 10603–10611es_ES
dc.description.abstractA field campaign was carried out during May 1994 at the Izaña station, Tenerife. This campaign was part of the program Environment and Climate sponsored by the European Commission to study the influence of European emissions on the oxidizing capacity of a clean tropospheric environment. Daytime and also nighttime measurements were made, covering the OH as well as the NO3 chemistry. This paper presents the OH measurements taken with a multipass optical absorption spectrometer (MOAS) and discusses the daytime chemistry in a statistical and therefore more preliminary way. All relevant parameters influencing the OH concentration were monitored. From the data the two main contributions to the OH production can clearly be discerned and are given by the primary production following the ozone photolysis and the O(1D)-H2O reaction and by the catalytic reactions of NOx in the recycling process. The latter processes prove to contribute a dominant part to the OH concentration. The measurements of the nonmethane hydrocarbons (NMHC) especially of the biogenics, indicate a considerable influence of the NMHC on the absolute values of the OH concentration at Tenerife.es_ES
dc.description.sponsorshipThis work has been financially supported by the European Commission (grant EV5V-CT93-0321), by the DFG, and by the Fonds der Chemischen Industrie, which is gratefully acknowledged.-
dc.publisherAmerican Geophysical Uniones_ES
dc.subjectOxidizing capacityes_ES
dc.subjectOzone photolysises_ES
dc.titleTesting the daytime oxidizing capacity of the troposphere: 1994 OH field campaign at the Izaña Observatory, Tenerifees_ES
Colecciones: Artículos científicos 1995-1999

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