[MITgcm-support] Temperature undershoots using scheme 77 and GM

[Christopher L. Wolfe]

David and Oliver, thanks for the advice.

> David is right, this might help.  And, just to make this clear: the
> undershoots are not a bug in the code, but a property of OS7MP.  It  
> does
> not preserve extrema (at least not in more than 1 dimension).

What about the other nonlinear schemes? I have this problem with  
scheme 33 as well. I thought the whole purpose of these schemes was to  
prevent the generation of unphysical tracer classes ...

Christopher