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    Validation of version-4.61 methane and nitrous oxide observed by MIPAS

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    Authors
    Payan, S.
    Camy-Peyret, C.
    Oelhaf, H.
    Wetzel, G.
    Maucher, G.
    Keim, C.
    Pirre, M.
    Huret, N.
    Engel, A.
    Volk, M.C.
    Kuellmann, H.
    Kuttippurath, J.
    Cortesi, U.
    Bianchini, G.
    Mencaraglia, F.
    Raspollini, P.
    Redaelli, G.
    Vigouroux, C.
    De Mazière, M.
    Mikuteit, S.
    Blumenstock, T.
    Velazco, V.
    Notholt, J.
    Mahieu, E.
    Duchatelet, P.
    Smale, D.
    Wood, S.
    Jones, N.
    Piccolo, C.
    Payne, V.
    Bracher, A.
    Glatthor, N.
    Stiller, G.
    Grunow, K.
    Jeseck, P.
    Te, Y.
    Butz, A.
    Show allShow less
    Discipline
    Earth and related Environmental sciences
    Subject
    airborne sensing
    airborne survey
    algorithm
    atmospheric chemistry
    balloon observation
    Envisat-1
    estimation method
    ground-based measurement
    methane
    model validation
    nitrous oxide
    sampling bias
    satellite imagery
    SCIAMACHY
    stratosphere
    troposphere
    vertical profile
    Audience
    Scientific
    Date
    2009
    Metadata
    Show full item record
    Description
    The ENVISAT validation programme for the atmospheric instruments MIPAS, SCIAMACHY and GOMOS is based on a number of balloon-borne, aircraft, satellite and ground-based correlative measurements. In particular the activities of validation scientists were coordinated by ESA within the ENVISAT Stratospheric Aircraft and Balloon Campaign or ESABC. As part of a series of similar papers on other species [this issue] and in parallel to the contribution of the individual validation teams, the present paper provides a synthesis of comparisons performed between MIPAS CH4 and N2O profiles produced by the current ESA operational software (Instrument Processing Facility version4.61 or IPF v4.61, full resolution MIPAS data covering the period 9 July 2002 to 26 March 2004) and correlative measurements obtained from balloon and aircraft experiments as well as from satellite sensors or from ground-based instruments. In the middle stratosphere, no significant bias is observed between MIPAS and correlative measurements, and MIPAS is providing a very consistent and global picture of the distribution of CH4 and N2O in this region. In average, the MIPAS CH4 values show a small positive bias in the lower stratosphere of about 5%. A similar situation is observed for N2O with a positive bias of 4%. In the lower stratosphere/upper troposphere (UT/LS) the individual used MIPAS data version 4.61 still exhibits some unphysical oscillations in individual CH4 and N2O profiles caused by the processing algorithm (with almost no regularization). Takingthese problems into account, the MIPAS CH4 and N2O pro-files are behaving as expected from the internal error estimation of IPF v4.61 and the estimated errors of the correlative measurements.
    Citation
    Payan, S.; Camy-Peyret, C.; Oelhaf, H.; Wetzel, G.; Maucher, G.; Keim, C.; Pirre, M.; Huret, N.; Engel, A.; Volk, M.C.; Kuellmann, H.; Kuttippurath, J.; Cortesi, U.; Bianchini, G.; Mencaraglia, F.; Raspollini, P.; Redaelli, G.; Vigouroux, C.; De Mazière, M.; Mikuteit, S.; Blumenstock, T.; Velazco, V.; Notholt, J.; Mahieu, E.; Duchatelet, P.; Smale, D.; Wood, S.; Jones, N.; Piccolo, C.; Payne, V.; Bracher, A.; Glatthor, N.; Stiller, G.; Grunow, K.; Jeseck, P.; Te, Y.; Butz, A. (2009). Validation of version-4.61 methane and nitrous oxide observed by MIPAS. , Atmospheric Chemistry and Physics, Vol. 9, Issue 2, 413-442,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/3266
    scopus: 2-s2.0-77950212247
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
    NewsHelpdeskBELSPO OA Policy

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