Abstract
A tracer transport scheme was implemented in a global general circulation model (Hamburg version of the ECMWF weather prediction model) to simulate the transport and chemistry of tracer constituents in the troposphere. Transport of tracers by advection, vertical diffusion and shallow convection is treated similarly to the transport of water vapor. A new scheme was developed for vertical mixing in deep convective clouds consistent with the Kuo-scheme used in the GCM. In order to investigate the large scale transport and the interhemispheric exchange simulation runs were performed with the chlorofluo-rocarbon F11. The short-lived radioactive rare gas 222Radon was used to demonstrate the role of subgrid scale processes in the dispersal of tracers.
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Feichter, J., Roeckner, E., Schlese, U., Windelband, M. (1991). Tracer Transport in the Hamburg Climate Model. In: van Dop, H., Steyn, D.G. (eds) Air Pollution Modeling and Its Application VIII. NATO · Challenges of Modern Society, vol 15. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3720-5_44
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