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Cumulus Parameterization Study with Special Attention to the Arakawa-Schubert Scheme

机译：积云参数化研究特别注意荒川 - 舒伯特方案

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The importance of the vertical transports of heat, moisture, vorticity, and momentum by cumulus clouds has long been recognized not only in the numerical predictions of weather and climate but also in the simulation studies on mesoscale circulations such as tropical convective systems, mid-latitude frontogenesis, and the sea-land breeze. However, it is impractical to resolve those individual cumulus clouds because of the distinct scale difference between them and larger-scale circulations. In the past two decades, there have been numerous attempts to relate subgrid-scale cumulus convection to large-scale fields by specifying the cumulus activity as a function of large-scale variables, which is now commonly referred to as cumulus parameterization. The goal of cumulus parameterization is to predict the change of large-scale disturbances due to cumulus convection by describing not each of the many individual clouds, but only their collective effects. Keywords: Mesoscale models; Cloud equations; Finite difference equations; and Sensitivity tests.

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