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    Evolution of a subgrid deep convection parametrization in a limited-area model with increasing resolution

    Authors
    Gerard, L.
    Geleyn, J.-F.
    Discipline
    Earth and related Environmental sciences
    Subject
    Onvective Parametrization
    Resolution
    Audience
    General Public
    Scientific
    Date
    2005
    Publisher
    IRM
    KMI
    RMI
    Metadata
    Show full item record
    Description
    The adaptation of a convective parametrization to high resolution has been successfully performed, to a certain point, by refinements in the representation of the entrainment, detrainment and some other features of the original general-circulation-model oriented scheme. But, passing to resolutions below 10 km requires dispensing with some fundamental hypotheses, starting with quasi-equilibrium and the assumption of negligible up- and downdraught mesh fractions. A prognostic scheme has been used for the draughts’ vertical velocities and mesh fractions. The prognostic closure of the convective scheme has many benefits, but additional enhancements are required, starting with a coherent treatment of the cloud condensates and a more integrated combination of the different schemes producing condensation, cloud and precipitation.
    Citation
    Gerard, L.; Geleyn, J.-F. (2005). Evolution of a subgrid deep convection parametrization in a limited-area model with increasing resolution. , Issue Q. J. R. Meteorol. Soc. - No 131, p. 2293-2312, IRM,
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/8702
    Type
    Article
    Peer-Review
    Not pertinent
    Language
    eng
    Links
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