[MITgcm-support] Default pTracer units

[Roland Young]

Hi,

Before I go coding some unnecessary or incorrect conversion functions, 
please can someone confirm that (if?) the default pTracer units in 
atmospheric mode are mol tracer / m^3? This seems to be implied in the 
documentation examples 
(http://mitgcm.org/public/r2_manual/latest/online_documents/node238.html) but 
I just found tracer units defined as kg/kg in the diagnostic 
initialisation routines gchem_diagnostics_init.F and 
ptracers_diagnostics_init.F

Thanks,

Roland