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

    Authors
    Gerard, Luc
    Geleyn, Jean-François
    Discipline
    Earth and related Environmental sciences
    Subject
    Numerical Weather Prediction - Deep Convection - Parameterization
    Audience
    Scientific
    Date
    2005-07
    Metadata
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    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. Q. J. R. Meteorol. Soc. 131: 2293–2312.
    Identifiers
    uri: https://orfeo.belnet.be/handle/internal/7221
    doi: http://dx.doi.org/10.1256/qj.04.72
    Type
    Article
    Peer-Review
    Yes
    Language
    eng
    Links
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