! source file: /Users/oschlies/UVIC/master/source/mom/tbt.F
      subroutine tbt1 (joff, js, je, n)
!=======================================================================
!     input:
!       joff  = offset relating "j" in the MW to latitude "jrow"
!       js    = starting row in the MW
!       je    = ending row in the MW
!       n     = tracer component
!=======================================================================

      return
      end