University of Cambridge > Talks.cam > Climate and Environmental Dynamics - Department of Geography > Wind shear and mid-level convection in the Convective Cloud Field Model (CCFM)

Wind shear and mid-level convection in the Convective Cloud Field Model (CCFM)

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Clouds are an important part of the Earth’s climate system, both in radiative terms and in terms of transport of heat and moisture. But because clouds are so much smaller than grid boxes in global climate models, their behaviour needs to be parameterised – represented simply in terms of large-scale quantities. While most parameterisations use a single, average cloud to represent a whole grid box, CCFM generates a spectrum of possible clouds and then tracks their evolution using a model of predators competing for available resources (in this case, buoyant energy).

I will present a basic background of how CCFM works, and then describe the effects of two improvements on the published version of CCFM .

This talk is part of the Climate and Environmental Dynamics - Department of Geography series.

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