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The major revision of the operational SCIAMACHY Level 1b-2 Off-line data processor

dc.contributor.authorVon Bargen, A.
dc.contributor.authorKretschel, K.
dc.contributor.authorDoicu, A.
dc.contributor.authorHess, M.
dc.contributor.authorHilgers, S.
dc.contributor.authorSchreier, F.
dc.contributor.authorSchröder, T.
dc.contributor.authorLerot, C.
dc.contributor.authorVan Roozendael, M.
dc.contributor.authorVountas, M.
dc.contributor.authorKokhanovsky, A.
dc.contributor.authorLotz, W.
dc.contributor.authorBovensmann, H.
dc.date2006
dc.date.accessioned2016-11-22T15:02:19Z
dc.date.available2016-11-22T15:02:19Z
dc.identifier.urihttps://orfeo.belnet.be/handle/internal/4536
dc.descriptionRecently, the operational data processor chain for SCIAMACHY from Level 0 to Level 2 was subject to major revisions in each part including not only the Level 0-1b and Level 1b-2 data processing but also the IECF. In this contribution, we present the revisions and upgrades of the algorithms for the Level 1b-2 Off-line processing which had been applied to the derivation of products for Nadir and Limb back-scattered light observations as well. The results will be discussed briefly. In particular, the derivation of products from Nadir back-scattered light observations in the UV/VIS spectral region has been established by integration of most recently developments of state-of-the-art algorithms: The SDOAS algorithm of BIRA-IASB for the retrieval of column densities and the SACURA algorithm for the derivation of cloud-top height and cloud optical thickness based on cloud fraction provided by the DLR-IMF's OCRA algorithm. The combination of all three provides now the vertical column densities for Ozone and NO2. It is worth to note, that the product list for cloud parameters is now substantially extended due to SACURA. The derivation of Ozone and NO2 profiles from Limb back-scattered has been substituted by DLR-IMF's DRACULA retrieval package. Those in combination with optimised settings provide substantial improvements in profile information which are in very good agreement with scientific implementations of IFE Bremen. Additionally we present an overview about developments for future implementations. Beside an evolution scheme for the future, this holds for the evolution of the DRACULA package and for the retrieval of BrO profiles from Limb observations.
dc.languageeng
dc.relation.ispartofseriesESA SP
dc.titleThe major revision of the operational SCIAMACHY Level 1b-2 Off-line data processor
dc.typeConference
dc.subject.frascatiPhysical sciences
dc.audienceScientific
dc.subject.freeAlgorithms
dc.subject.freeBackscattering
dc.subject.freeClouds
dc.subject.freeData processing
dc.subject.freeLight scattering
dc.subject.freeNonbibliographic retrieval systems
dc.subject.freeOzone
dc.subject.freeDRACULA retrieval package
dc.subject.freeNadir backscattered light
dc.subject.freeOff line processing
dc.subject.freeAtmospherics
dc.source.titleProceedings of the First Atmospheric Science Conference
dc.source.issue628
Orfeo.peerreviewedNo
dc.identifier.scopus2-s2.0-33749178191


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