!!---------------------------------------------------------------------
!!
!!                         COMMON passivetrc.age.h
!!                       *******************************
!!
!!  purpose :
!!  ---------
!!     INCLUDE COMMON FILE for AGE TRACER model (IF key_trc_age)
!!
!!  modifications :
!!   -------------
!!      original    : 02-05 (O. Aumont)
#if defined key_trc_age
!!
!!     tauage : restoring time constant for the age tracer
!!              at the surface
!!
      REAL tauage1, tauage2

      COMMON/cotage/  tauage1, tauage2
!!
#endif