! source file: /gxfs_work1/geomar/smomw113/UVic_ESCM/2.9_dk_0814/updates/11_valley/source/mom/tracer_N2O.F
      subroutine tracer_N2O (so2,fo2,i,k,j,jrow
     &,          rnpn2o,rn2op_h,rn2op_l

     &           )

!=======================================================================
!     compute N2O sms

!     input:
!        so2 =
!        fo2 =
!        i, k, j, jrow
!        oassim
!        rnpn2o =
!        rn2o_h =
!        rn2o_l =
!=======================================================================

! Later do the following in tracer.F
! delete lines 46-55
! delete lines 1346-1520   (currently within #if 0 #endif

! currently I leave some code inside tracer.F
! lines 1671-171
! lines 870-873

       return
       end