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Total and tropospheric BrO derived from GOME and SCIAMACHY as part of the temis project

dc.contributor.authorTheys, N.
dc.contributor.authorDe Smedt, I.
dc.contributor.authorVan Roozendael, M.
dc.contributor.authorFayt, C.
dc.contributor.authorChabrillat, S.
dc.contributor.authorChipperfield, M.
dc.contributor.authorPost, P.
dc.contributor.authorVan Der A, R.
dc.date2005
dc.date.accessioned2016-12-07T10:36:05Z
dc.date.available2016-12-07T10:36:05Z
dc.identifier.isbn92-9092-883-2
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/4616
dc.descriptionBromine monoxide plays an important role in the chemistry of the polar atmosphere because of its high efficiency as a catalyst of the ozone destruction in both the stratosphere and the troposphere. In the polar boundary layer, large cyclic emissions are observed every year at spring (the so-called "bromine explosion" phenomenon), which are responsible for the occurrence of fast and efficient tropospheric ozone destruction events. Total columns of BrO have been monitored by the GOME instrument onboard the ESA ERS-2 satellite since 1995. Since July 2002, similar observations can be obtained with SCIAMACHY on the ENVISAT platform. In the present contribution, analyses for total and tropospheric BrO columns derived from both instruments are described, with a focus on the assessment of their mutual consistency. Attempts to extract quantitative estimates of the tropospheric BrO contents over polar and mid-latitude regions are presented, using an algorithm that combines GOME measurements with SLIMCAT 3D chemical transport calculations. Key aspects of the tropospheric BrO retrieval and current sources of uncertainties are discussed.
dc.languageeng
dc.relation.ispartofseriesESA SP
dc.titleTotal and tropospheric BrO derived from GOME and SCIAMACHY as part of the temis project
dc.typeConference
dc.subject.frascatiEarth and related Environmental sciences
dc.audienceScientific
dc.subject.freeAlgorithms
dc.subject.freeBromine compounds
dc.subject.freeCatalysts
dc.subject.freeOzone
dc.subject.freeProject management
dc.subject.freeUpper atmosphere
dc.subject.freeAir mass
dc.subject.freeChemical transport
dc.subject.freeOzone chemistry
dc.subject.freePolar atmosphere
dc.subject.freeTroposphere
dc.source.titleProceedings of the 2004 Envisat & ERS Symposium, Salzburg, Austria, 6-10 September 2004 (ESA SP-572)
dc.source.volume572
dc.source.page1109-1115
Orfeo.peerreviewedNo
dc.identifier.scopus2-s2.0-23844503596
dc.source.editorLacoste, H.
dc.source.editorOuwehand, L.


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