Lidar measurements of tropospheric ozone over Reunion Island: influence of the synoptic situations

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dc.contributor.authorRandriambelo, T.
dc.contributor.authorBaray, J.-L.
dc.contributor.authorBaldy, S.
dc.contributor.authorThompson, Anne M.
dc.contributor.authorOltmans, S.
dc.contributor.authorKeckhut, P.
dc.date.accessioned2024-07-26T16:34:23Z
dc.date.available2024-07-26T16:34:23Z
dc.date.issued2003-07
dc.descriptionIEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), Toulouse, 21-25 July 2003
dc.description.abstractA tropospheric ozone lidar located at Reunion Island has provided an opportunity to investigate the daily vertical ozone distribution in the latter part of biomass burning season, during November-December 1999. The comparison with austral winter 1998 daily ozone profiles show that each daily ozone profile is very stratified with ozone enhancements (<100 ppbv) spaced at different heights within the whole free troposphere. The dynamical context of the profiles is different in comparison with the austral winter period where the effect of the subtropical jet stream is predominant. The analyses of the meteorological data show that the daily variability of ozone profiles is influenced by the movement of the synoptical situations. During the interseasonal period, multiple ozone sources including stratosphere-troposphere exchanges, convection and biomass burning contribute to tropospheric ozone at Reunion Island through sporadic events characterized by a large spatial and temporal variability.
dc.description.sponsorshipThe lidar development at Reunion Island has been supported by CNRS/INSU and by the Conseil Régional de la Réunion. The technical implantation of the ozone lidar at Reunion Island has been supervised by Jacques Porteneuve and Gérard Ancellet (SA/CNRS), and we gratefully acknowledge the assistance of all the SA technical staff. We are indebted to the ECMWF for providing model analyses.
dc.description.urihttps://ieeexplore.ieee.org/abstract/document/1294425/authors#authors
dc.format.extent3 pages
dc.genreconference papers and proceedings
dc.identifierdoi:10.13016/m2fm5e-50of
dc.identifier.citationRandriambelo, T., J.-L. Baray, S. Baldy, A.M. Thompson, S. Oltmans, and P. Keckhut. “Lidar Measurements of Tropospheric Ozone over Reunion Island: Influence of the Synoptic Situations.” IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477) 4 (July 2003): 2311–13 vol.4. https://doi.org/10.1109/IGARSS.2003.1294425.
dc.identifier.urihttps://doi.org/10.1109/IGARSS.2003.1294425
dc.identifier.urihttp://hdl.handle.net/11603/34970
dc.language.isoen_US
dc.publisherIEEE
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC GESTAR II
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.subjectMeteorology
dc.subjectNASA
dc.subjectExtraterrestrial measurements
dc.subjectPollution measurement
dc.subjectLaboratories
dc.subjectMonitoring
dc.subjectSea measurements
dc.subjectTerrestrial atmosphere
dc.subjectBiomass
dc.subjectLaser radar
dc.titleLidar measurements of tropospheric ozone over Reunion Island: influence of the synoptic situations
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-7829-0920

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