!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
!! AGE  :       1  - dates                                 (namage)
!! namelists
!'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
&namage     !   dates
!,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
   rn_age_depth       = 10            ! depth over which age tracer reset to zero
   rn_age_kill_rate   = -0.000138888  !  = -1/7200 recip of relaxation timescale (s) for  age tracer shallower than age_depth
/