| 100 |  |  | 
| 101 | \section{Illustrations of the model in action} | \section{Illustrations of the model in action} | 
| 102 |  |  | 
| 103 | The MITgcm has been designed and used to model a wide range of phenomena, | MITgcm has been designed and used to model a wide range of phenomena, | 
| 104 | from convection on the scale of meters in the ocean to the global pattern of | from convection on the scale of meters in the ocean to the global pattern of | 
| 105 | atmospheric winds - see fig.2\ref{fig:all-scales}. To give a flavor of the | atmospheric winds - see fig.2\ref{fig:all-scales}. To give a flavor of the | 
| 106 | kinds of problems the model has been used to study, we briefly describe some | kinds of problems the model has been used to study, we briefly describe some | 
| 674 | which the vertical momentum equation is reduced to a statement of | which the vertical momentum equation is reduced to a statement of | 
| 675 | hydrostatic balance and the `traditional approximation' is made in which the | hydrostatic balance and the `traditional approximation' is made in which the | 
| 676 | Coriolis force is treated approximately and the shallow atmosphere | Coriolis force is treated approximately and the shallow atmosphere | 
| 677 | approximation is made.\ The MITgcm need not make the `traditional | approximation is made.  MITgcm need not make the `traditional | 
| 678 | approximation'. To be able to support consistent non-hydrostatic forms the | approximation'. To be able to support consistent non-hydrostatic forms the | 
| 679 | shallow atmosphere approximation can be relaxed - when dividing through by $ | shallow atmosphere approximation can be relaxed - when dividing through by $ | 
| 680 | r $ in, for example, (\ref{eq:gu-speherical}), we do not replace $r$ by $a$, | r $ in, for example, (\ref{eq:gu-speherical}), we do not replace $r$ by $a$, |