Wednesday, 26 January 2011: 11:00 AM
615-617 (Washington State Convention Center)
The parameterization of convective mixing in climate and weather prediction models has been a major challenge in meteorological research for a long time. In particular, different parameterizations are used, and patched together often artificially, for different types of convection: dry or moist, in the boundary layer or in the full troposphere. The Eddy-Diffusivity (ED) approach has been relatively successful in representing some characteristics of neutral boundary layers and surface layers in general. The Mass-Flux (MF) approach, on the other hand, has been used for the parameterization of shallow and deep moist convection. In this presentation, a new approach that relies on an optimal combination of the ED and MF parameterizations (EDMF) is discussed in detail as a possible solution for the unification of the parameterizations of convective mixing in weather and climate prediction models.
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