HAMMONIA

The Hamburg Model of the Neutral and Ionized Atmosphere (HAMMONIA), which extends from the surface to the lower thermosphere, is a coupled chemistry atmospheremodel based on MAECHAM5 and the chemistry of the Model for Ozone and Related Tracers, version 3 (MOZART3), chemistry transport model.

Most general circulation models of the middle atmosphere have their upper boundary in the 70-90 km region while “classical” models of the thermosphere/ionosphere mostly have their lower boundary near 80-95 km. HAMMONIA is one of the few models intended to overcome this separation.
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