The global distribution of atmospheric constituents (wether major or minor species, gas or aerosol, or even energy and momentum) is determined by the distribution of the sources, sinks, and conversion within the atmosphere, and by transport and mixing by the atmospheric circulation. General circulation models (GCMs) simulate, on a global scale, the transport and mixing of air, heat, moisture and momentum. All numerical formulations for these processes should be universal, but of course they are not, or otherwise one would never have to use the terms “parameterization” and “tuning”. However, if a process parameterization is physically-based, it should be usable for all species equally affected by this process. Implementing transport and mixing of atmospheric species within a GCM should thus be fairly straightforward.
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- Climate and Atmospheric Tracers Modelling with GCM, Polar Applications
- Springer Berlin Heidelberg