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hal.structure.identifierDepartment of Applied Mathematics and Theoretical Physics [DAMTP]
hal.structure.identifierService d'aéronomie [SA]
dc.contributor.authorBERTHET, Gwenaël
hal.structure.identifierLaboratoire d'aérologie [LAERO]
dc.contributor.authorRICAUD, Pierre
hal.structure.identifierService d'aéronomie [SA]
dc.contributor.authorLEFÈVRE, Franck
hal.structure.identifierLaboratoire d'aérologie [LAERO]
dc.contributor.authorLE FLOCHMOËN, E.
hal.structure.identifierDepartment of Radio and Space Science [Göteborg]
dc.contributor.authorURBAN, Jakub
hal.structure.identifierLaboratoire d'aérologie [LAERO]
dc.contributor.authorBARRET, Brice
hal.structure.identifierDepartment of Radio and Space Science [Göteborg]
dc.contributor.authorLAUTIE, N.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
dc.contributor.authorDUPUY, E.
hal.structure.identifierLaboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux [L3AB]
hal.structure.identifierLaboratoire d'Astrophysique de Bordeaux [Pessac] [LAB]
hal.structure.identifierObservatoire aquitain des sciences de l'univers [OASU]
dc.contributor.authorDE LA NOE, J.
hal.structure.identifierDepartment of Radio and Space Science [Göteborg]
dc.contributor.authorMURTAGH, D.
dc.date.issued2005
dc.identifier.issn0094-8276
dc.description.abstractEnWe use measurements of chlorine monoxide (ClO) by the SMR instrument onboard the Odin satellite to study the nighttime thermal equilibrium between ClO and its dimer Cl2O2. Observations performed in the polar vortex during the 2002–2003 Arctic winter showed enhanced amounts of nighttime ClO over a wide range of stratospheric temperatures (185 < T < 225 K). Odin/SMR measurements are here compared to three-dimensional model calculations using various published estimations of the Keq equilibrium constant between ClO and Cl2O2. Our results show that the value of Keq currently recommended by JPL (Sander et al., 2003) leads to a large underestimation of the observed nighttime ClO amounts, and that a realistic estimation of Keq must lie between the values determined by Cox and Hayman (1988) and Von Hobe et al. (2005).
dc.language.isoen
dc.publisherAmerican Geophysical Union
dc.subjectAtmosphère moyenne
dc.subjectComposition chimique
dc.subjectChimie atmosphérique
dc.subjectMesure satellitaire
dc.title.enNighttime chlorine monoxide observations by the Odin satellite and implications for the ClO/Cl2O2 equilibrium
dc.typeArticle de revue
dc.identifier.doi10.1029/2005GL022649
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Instrumentation et méthodes pour l'astrophysique [astro-ph.IM]
dc.subject.halPhysique [physics]/Physique [physics]/Physique Atmosphérique et Océanique [physics.ao-ph]
bordeaux.journalGeophysical Research Letters
bordeaux.pageL11812
bordeaux.volume32
bordeaux.issue11
bordeaux.peerReviewedoui
hal.identifierhal-00069338
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00069338v1
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