MODULE trcbc !!====================================================================== !! *** MODULE trcbc *** !! TOP : module for passive tracer boundary conditions !!===================================================================== !! History : 3.5 ! 2014 (M. Vichi, T. Lovato) Original !! 3.6 ! 2015 (T . Lovato) Revision and BDY support !! 4.0 ! 2016 (T . Lovato) Include application of sbc and cbc !!---------------------------------------------------------------------- #if defined key_top !!---------------------------------------------------------------------- !! 'key_top' TOP model !!---------------------------------------------------------------------- !! trc_bc : Apply tracer Boundary Conditions !!---------------------------------------------------------------------- USE par_trc ! passive tracers parameters USE oce_trc ! shared variables between ocean and passive tracers USE trc ! passive tracers common variables USE iom ! I/O manager USE lib_mpp ! MPP library USE fldread ! read input fields USE bdy_oce, ONLY: ln_bdy, nb_bdy , idx_bdy, ln_coords_file, rn_time_dmp, rn_time_dmp_out IMPLICIT NONE PRIVATE PUBLIC trc_bc ! called in trcstp.F90 or within TOP modules PUBLIC trc_bc_ini ! called in trcini.F90 INTEGER , SAVE, PUBLIC :: nb_trcobc ! number of tracers with open BC INTEGER , SAVE, PUBLIC :: nb_trcsbc ! number of tracers with surface BC INTEGER , SAVE, PUBLIC :: nb_trccbc ! number of tracers with coastal BC INTEGER , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: n_trc_indobc ! index of tracer with OBC data INTEGER , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: n_trc_indsbc ! index of tracer with SBC data INTEGER , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: n_trc_indcbc ! index of tracer with CBC data REAL(wp) , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: rf_trsfac ! multiplicative factor for SBC tracer values TYPE(FLD), SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: sf_trcsbc ! structure of data input SBC (file informations, fields read) REAL(wp) , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: rf_trcfac ! multiplicative factor for CBC tracer values TYPE(FLD), SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: sf_trccbc ! structure of data input CBC (file informations, fields read) REAL(wp) , SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:) :: rf_trofac ! multiplicative factor for OBCtracer values TYPE(FLD), SAVE, PUBLIC, ALLOCATABLE, DIMENSION(:), TARGET :: sf_trcobc ! structure of data input OBC (file informations, fields read) TYPE(MAP_POINTER), ALLOCATABLE, DIMENSION(:) :: nbmap_ptr ! array of pointers to nbmap !! * Substitutions # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/TOP 4.0 , NEMO Consortium (2016) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE trc_bc_ini( ntrc ) !!---------------------------------------------------------------------- !! *** ROUTINE trc_bc_ini *** !! !! ** Purpose : initialisation of passive tracer BC data !! !! ** Method : - Read namtsd namelist !! - allocates passive tracer BC data structure !!---------------------------------------------------------------------- ! INTEGER,INTENT(IN) :: ntrc ! number of tracers INTEGER :: jl, jn , ib, ibd, ii, ij, ik ! dummy loop indices INTEGER :: ierr0, ierr1, ierr2, ierr3 ! temporary integers INTEGER :: ios ! Local integer output status for namelist read INTEGER :: nblen, igrd ! support arrays for BDY CHARACTER(len=100) :: clndta, clntrc ! CHARACTER(len=100) :: cn_dir_sbc, cn_dir_cbc, cn_dir_obc TYPE(FLD_N), ALLOCATABLE, DIMENSION(:) :: slf_i ! local array of namelist informations on the fields to read TYPE(FLD_N), DIMENSION(jpmaxtrc) :: sn_trcobc ! open TYPE(FLD_N), DIMENSION(jpmaxtrc) :: sn_trcsbc ! surface TYPE(FLD_N), DIMENSION(jpmaxtrc) :: sn_trccbc ! coastal REAL(wp) , DIMENSION(jpmaxtrc) :: rn_trofac ! multiplicative factor for tracer values REAL(wp) , DIMENSION(jpmaxtrc) :: rn_trsfac ! multiplicative factor for tracer values REAL(wp) , DIMENSION(jpmaxtrc) :: rn_trcfac ! multiplicative factor for tracer values !! NAMELIST/namtrc_bc/ cn_dir_obc, sn_trcobc, rn_trofac, cn_dir_sbc, sn_trcsbc, rn_trsfac, & & cn_dir_cbc, sn_trccbc, rn_trcfac, ln_rnf_ctl, rn_bc_time NAMELIST/namtrc_bdy/ cn_trc_dflt, cn_trc, nn_trcdmp_bdy !!---------------------------------------------------------------------- IF( nn_timing == 1 ) CALL timing_start('trc_bc_ini') ! IF( lwp ) THEN WRITE(numout,*) ' ' WRITE(numout,*) 'trc_bc_ini : Tracers Boundary Conditions (BC)' WRITE(numout,*) '~~~~~~~~~~~ ' ENDIF ! Initialisation and local array allocation ierr0 = 0 ; ierr1 = 0 ; ierr2 = 0 ; ierr3 = 0 ALLOCATE( slf_i(ntrc), STAT=ierr0 ) IF( ierr0 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate local slf_i' ) ; RETURN ENDIF ! Compute the number of tracers to be initialised with open, surface and boundary data ALLOCATE( n_trc_indobc(ntrc), STAT=ierr0 ) IF( ierr0 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate n_trc_indobc' ) ; RETURN ENDIF nb_trcobc = 0 n_trc_indobc(:) = 0 ! ALLOCATE( n_trc_indsbc(ntrc), STAT=ierr0 ) IF( ierr0 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate n_trc_indsbc' ) ; RETURN ENDIF nb_trcsbc = 0 n_trc_indsbc(:) = 0 ! ALLOCATE( n_trc_indcbc(ntrc), STAT=ierr0 ) IF( ierr0 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate n_trc_indcbc' ) ; RETURN ENDIF nb_trccbc = 0 n_trc_indcbc(:) = 0 ! ! Read Boundary Conditions Namelists REWIND( numnat_ref ) ! Namelist namtrc_bc in reference namelist : Passive tracer data structure READ ( numnat_ref, namtrc_bc, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_bc in reference namelist', lwp ) REWIND( numnat_cfg ) ! Namelist namtrc_bc in configuration namelist : Passive tracer data structure READ ( numnat_cfg, namtrc_bc, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_bc in configuration namelist', lwp ) IF(lwm) WRITE ( numont, namtrc_bc ) IF ( ln_bdy ) THEN REWIND( numnat_ref ) ! Namelist namtrc_bdy in reference namelist : Passive tracer data structure READ ( numnat_ref, namtrc_bdy, IOSTAT = ios, ERR = 903) 903 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_bdy in reference namelist', lwp ) REWIND( numnat_cfg ) ! Namelist namtrc_bdy in configuration namelist : Passive tracer data structure READ ( numnat_cfg, namtrc_bdy, IOSTAT = ios, ERR = 904 ) 904 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namtrc_bdy in configuration namelist', lwp ) IF(lwm) WRITE ( numont, namtrc_bdy ) ! setup up preliminary informations for BDY structure DO jn = 1, ntrc DO ib = 1, nb_bdy ! Set type of obc in BDY data structure (around here we may plug user override of obc type from nml) IF ( ln_trc_obc(jn) ) THEN trcdta_bdy(jn,ib)%cn_obc = TRIM( cn_trc(ib) ) ELSE trcdta_bdy(jn,ib)%cn_obc = TRIM( cn_trc_dflt(ib) ) ENDIF ! set damping use in BDY data structure trcdta_bdy(jn,ib)%dmp = .false. IF(nn_trcdmp_bdy(ib) .EQ. 1 .AND. ln_trc_obc(jn) ) trcdta_bdy(jn,ib)%dmp = .true. IF(nn_trcdmp_bdy(ib) .EQ. 2 ) trcdta_bdy(jn,ib)%dmp = .true. IF(trcdta_bdy(jn,ib)%cn_obc == 'frs' .AND. nn_trcdmp_bdy(ib) .NE. 0 ) & & CALL ctl_stop( 'Use FRS OR relaxation' ) IF (nn_trcdmp_bdy(ib) .LT. 0 .OR. nn_trcdmp_bdy(ib) .GT. 2) & & CALL ctl_stop( 'Not a valid option for nn_trcdmp_bdy. Allowed: 0,1,2.' ) ENDDO ENDDO ELSE ! Force all tracers OBC to false if bdy not used ln_trc_obc = .false. ENDIF ! compose BC data indexes DO jn = 1, ntrc IF( ln_trc_obc(jn) ) THEN nb_trcobc = nb_trcobc + 1 ; n_trc_indobc(jn) = nb_trcobc ENDIF IF( ln_trc_sbc(jn) ) THEN nb_trcsbc = nb_trcsbc + 1 ; n_trc_indsbc(jn) = nb_trcsbc ENDIF IF( ln_trc_cbc(jn) ) THEN nb_trccbc = nb_trccbc + 1 ; n_trc_indcbc(jn) = nb_trccbc ENDIF ENDDO ! Print summmary of Boundary Conditions IF( lwp ) THEN WRITE(numout,*) ' ' WRITE(numout,'(a,i3)') ' Total tracers to be initialized with SURFACE BCs data:', nb_trcsbc IF ( nb_trcsbc > 0 ) THEN WRITE(numout,*) ' #trc NAME Boundary Mult.Fact. ' DO jn = 1, ntrc IF ( ln_trc_sbc(jn) ) WRITE(numout,9001) jn, TRIM( sn_trcsbc(jn)%clvar ), 'SBC', rn_trsfac(jn) ENDDO ENDIF WRITE(numout,'(2a)') ' SURFACE BC data repository : ', TRIM(cn_dir_sbc) WRITE(numout,*) ' ' WRITE(numout,'(a,i3)') ' Total tracers to be initialized with COASTAL BCs data:', nb_trccbc IF( nb_trccbc > 0 ) THEN WRITE(numout,*) ' #trc NAME Boundary Mult.Fact. ' DO jn = 1, ntrc IF ( ln_trc_cbc(jn) ) WRITE(numout, 9001) jn, TRIM( sn_trccbc(jn)%clvar ), 'CBC', rn_trcfac(jn) ENDDO ENDIF WRITE(numout,'(2a)') ' COASTAL BC data repository : ', TRIM(cn_dir_cbc) IF( .NOT.ln_rnf .OR. .NOT.ln_linssh ) ln_rnf_ctl = .FALSE. IF( ln_rnf_ctl ) WRITE(numout,'(a)') ' -> Remove runoff dilution effect on tracers with absent river load (ln_rnf_ctl = .TRUE.)' WRITE(numout,*) ' ' WRITE(numout,'(a,i3)') ' Total tracers to be initialized with OPEN BCs data:', nb_trcobc IF( ln_bdy .AND. nb_trcobc > 0 ) THEN WRITE(numout,*) ' #trc NAME Boundary Mult.Fact. OBC Settings' DO jn = 1, ntrc IF( ln_trc_obc(jn) ) WRITE(numout, 9001) jn, TRIM( sn_trcobc(jn)%clvar ), 'OBC', rn_trofac(jn), (trcdta_bdy(jn,ib)%cn_obc,ib=1,nb_bdy) IF( .NOT. ln_trc_obc(jn) ) WRITE(numout, 9002) jn, 'Set data to IC and use default condition', (trcdta_bdy(jn,ib)%cn_obc,ib=1,nb_bdy) ENDDO WRITE(numout,*) ' ' DO ib = 1, nb_bdy IF(nn_trcdmp_bdy(ib) .EQ. 0) WRITE(numout,9003) ' Boundary ',ib,' -> NO damping of tracers' IF(nn_trcdmp_bdy(ib) .EQ. 1) WRITE(numout,9003) ' Boundary ',ib,' -> damping ONLY for tracers with external data provided' IF(nn_trcdmp_bdy(ib) .EQ. 2) WRITE(numout,9003) ' Boundary ',ib,' -> damping of ALL tracers' IF(nn_trcdmp_bdy(ib) .GT. 0) THEN WRITE(numout,9003) ' USE damping parameters from nambdy for boundary ', ib,' : ' WRITE(numout,'(a,f10.2,a)') ' - Inflow damping time scale : ',rn_time_dmp(ib),' days' WRITE(numout,'(a,f10.2,a)') ' - Outflow damping time scale : ',rn_time_dmp_out(ib),' days' ENDIF ENDDO ENDIF WRITE(numout,'(2a)') ' OPEN BC data repository : ', TRIM(cn_dir_obc) ENDIF 9001 FORMAT(2x,i5, 3x, a15, 3x, a5, 6x, e11.3, 4x, 10a13) 9002 FORMAT(2x,i5, 3x, a41, 3x, 10a13) 9003 FORMAT(a, i5, a) ! ! OPEN Lateral boundary conditions IF( ln_bdy .AND. nb_trcobc > 0 ) THEN ALLOCATE ( sf_trcobc(nb_trcobc), rf_trofac(nb_trcobc), nbmap_ptr(nb_trcobc), STAT=ierr1 ) IF( ierr1 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate sf_trcobc structure' ) ; RETURN ENDIF igrd = 1 ! Everything is at T-points here DO jn = 1, ntrc DO ib = 1, nb_bdy nblen = idx_bdy(ib)%nblen(igrd) IF ( ln_trc_obc(jn) ) THEN ! Initialise from external data jl = n_trc_indobc(jn) slf_i(jl) = sn_trcobc(jn) rf_trofac(jl) = rn_trofac(jn) ALLOCATE( sf_trcobc(jl)%fnow(nblen,1,jpk) , STAT=ierr2 ) IF( sn_trcobc(jn)%ln_tint ) ALLOCATE( sf_trcobc(jl)%fdta(nblen,1,jpk,2) , STAT=ierr3 ) IF( ierr2 + ierr3 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini : unable to allocate passive tracer OBC data arrays' ) ; RETURN ENDIF trcdta_bdy(jn,ib)%trc => sf_trcobc(jl)%fnow(:,1,:) trcdta_bdy(jn,ib)%rn_fac = rf_trofac(jl) ! create OBC mapping array nbmap_ptr(jl)%ptr => idx_bdy(ib)%nbmap(:,igrd) nbmap_ptr(jl)%ll_unstruc = ln_coords_file(igrd) ELSE ! Initialise obc arrays from initial conditions ALLOCATE ( trcdta_bdy(jn,ib)%trc(nblen,jpk) ) DO ibd = 1, nblen DO ik = 1, jpkm1 ii = idx_bdy(ib)%nbi(ibd,igrd) ij = idx_bdy(ib)%nbj(ibd,igrd) trcdta_bdy(jn,ib)%trc(ibd,ik) = trn(ii,ij,ik,jn) * tmask(ii,ij,ik) END DO END DO trcdta_bdy(jn,ib)%rn_fac = 1._wp ENDIF ENDDO ENDDO CALL fld_fill( sf_trcobc, slf_i, cn_dir_obc, 'trc_bc_ini', 'Passive tracer OBC data', 'namtrc_bc' ) ENDIF ! SURFACE Boundary conditions IF( nb_trcsbc > 0 ) THEN ! allocate only if the number of tracer to initialise is greater than zero ALLOCATE( sf_trcsbc(nb_trcsbc), rf_trsfac(nb_trcsbc), STAT=ierr1 ) IF( ierr1 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate sf_trcsbc structure' ) ; RETURN ENDIF ! DO jn = 1, ntrc IF( ln_trc_sbc(jn) ) THEN ! update passive tracers arrays with input data read from file jl = n_trc_indsbc(jn) slf_i(jl) = sn_trcsbc(jn) rf_trsfac(jl) = rn_trsfac(jn) ALLOCATE( sf_trcsbc(jl)%fnow(jpi,jpj,1) , STAT=ierr2 ) IF( sn_trcsbc(jn)%ln_tint ) ALLOCATE( sf_trcsbc(jl)%fdta(jpi,jpj,1,2) , STAT=ierr3 ) IF( ierr2 + ierr3 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini : unable to allocate passive tracer SBC data arrays' ) ; RETURN ENDIF ENDIF ! ENDDO ! ! fill sf_trcsbc with slf_i and control print CALL fld_fill( sf_trcsbc, slf_i, cn_dir_sbc, 'trc_bc_ini', 'Passive tracer SBC data', 'namtrc_bc' ) ! ENDIF ! ! COSTAL Boundary conditions IF( nb_trccbc > 0 ) THEN ! allocate only if the number of tracer to initialise is greater than zero ALLOCATE( sf_trccbc(nb_trccbc), rf_trcfac(nb_trccbc), STAT=ierr1 ) IF( ierr1 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini: unable to allocate sf_trccbc structure' ) ; RETURN ENDIF ! DO jn = 1, ntrc IF( ln_trc_cbc(jn) ) THEN ! update passive tracers arrays with input data read from file jl = n_trc_indcbc(jn) slf_i(jl) = sn_trccbc(jn) rf_trcfac(jl) = rn_trcfac(jn) ALLOCATE( sf_trccbc(jl)%fnow(jpi,jpj,1) , STAT=ierr2 ) IF( sn_trccbc(jn)%ln_tint ) ALLOCATE( sf_trccbc(jl)%fdta(jpi,jpj,1,2) , STAT=ierr3 ) IF( ierr2 + ierr3 > 0 ) THEN CALL ctl_stop( 'trc_bc_ini : unable to allocate passive tracer CBC data arrays' ) ; RETURN ENDIF ENDIF ! ENDDO ! ! fill sf_trccbc with slf_i and control print CALL fld_fill( sf_trccbc, slf_i, cn_dir_cbc, 'trc_bc_ini', 'Passive tracer CBC data', 'namtrc_bc' ) ! ENDIF ! DEALLOCATE( slf_i ) ! deallocate local field structure IF( nn_timing == 1 ) CALL timing_stop('trc_bc_ini') ! END SUBROUTINE trc_bc_ini SUBROUTINE trc_bc(kt, jit) !!---------------------------------------------------------------------- !! *** ROUTINE trc_bc *** !! !! ** Purpose : Apply Boundary Conditions data to tracers !! !! ** Method : 1) Read BC inputs and update data structures using fldread !! 2) Apply Boundary Conditions to tracers !! !!---------------------------------------------------------------------- USE fldread !! * Arguments INTEGER, INTENT( in ) :: kt ! ocean time-step index INTEGER, INTENT( in ), OPTIONAL :: jit ! subcycle time-step index (for timesplitting option) !! INTEGER :: ji, jj, jk, jn, jl ! Loop index REAL(wp) :: zfact, zrnf !!--------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start('trc_bc') IF( kt == nit000 .AND. lwp) THEN WRITE(numout,*) WRITE(numout,*) 'trc_bc : Surface boundary conditions for passive tracers.' WRITE(numout,*) '~~~~~~~~~~~ ' ENDIF ! 1. Update Boundary conditions data IF ( PRESENT(jit) ) THEN ! OPEN boundary conditions (use time_offset=+1 as they are applied at the end of the step) IF( nb_trcobc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading OBC data for ', nb_trcobc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trcobc, map=nbmap_ptr, kit=jit, kt_offset=+1) ENDIF ! SURFACE boundary conditions IF( nb_trcsbc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading SBC data for ', nb_trcsbc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trcsbc, kit=jit) ENDIF ! COASTAL boundary conditions IF( nb_trccbc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading CBC data for ', nb_trccbc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trccbc, kit=jit) ENDIF ELSE ! OPEN boundary conditions (use time_offset=+1 as they are applied at the end of the step) IF( nb_trcobc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading OBC data for ', nb_trcobc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trcobc, map=nbmap_ptr, kt_offset=+1) ENDIF ! SURFACE boundary conditions IF( nb_trcsbc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading SBC data for ', nb_trcsbc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trcsbc) ENDIF ! COASTAL boundary conditions IF( nb_trccbc > 0 ) THEN if (lwp) write(numout,'(a,i5,a,i10)') ' reading CBC data for ', nb_trccbc ,' variable(s) at step ', kt CALL fld_read(kt=kt, kn_fsbc=1, sd=sf_trccbc) ENDIF ENDIF ! 2. Apply Boundary conditions data ! DO jn = 1 , jptra ! ! Remove river dilution for tracers with absent river load IF ( ln_rnf_ctl .AND. .NOT. ln_trc_cbc(jn) ) THEN DO jj = 2, jpj DO ji = fs_2, fs_jpim1 DO jk = 1, nk_rnf(ji,jj) zrnf = (rnf(ji,jj) + rnf_b(ji,jj)) * 0.5_wp * r1_rau0 / h_rnf(ji,jj) tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + (trn(ji,jj,jk,jn) * zrnf) ENDDO ENDDO ENDDO ENDIF ! OPEN boundary conditions: trcbdy is called in trcnxt ! ! SURFACE boundary conditions IF (ln_trc_sbc(jn)) THEN jl = n_trc_indsbc(jn) DO jj = 2, jpj DO ji = fs_2, fs_jpim1 ! vector opt. zfact = 1. / ( e3t_n(ji,jj,1) * rn_bc_time ) tra(ji,jj,1,jn) = tra(ji,jj,1,jn) + rf_trsfac(jl) * sf_trcsbc(jl)%fnow(ji,jj,1) * zfact END DO END DO END IF ! COASTAL boundary conditions IF ( ln_rnf .AND. ln_trc_cbc(jn)) THEN jl = n_trc_indcbc(jn) DO jj = 2, jpj DO ji = fs_2, fs_jpim1 ! vector opt. DO jk = 1, nk_rnf(ji,jj) zfact = rn_rfact / ( e1e2t(ji,jj) * h_rnf(ji,jj) * rn_bc_time ) tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + rf_trcfac(jl) * sf_trccbc(jl)%fnow(ji,jj,1) * zfact ENDDO END DO END DO END IF ! ! =========== END DO ! tracer loop ! ! =========== ! IF( nn_timing == 1 ) CALL timing_stop('trc_bc') ! END SUBROUTINE trc_bc #else !!---------------------------------------------------------------------- !! Dummy module NO 3D passive tracer data !!---------------------------------------------------------------------- CONTAINS SUBROUTINE trc_bc_ini( ntrc ) ! Empty routine INTEGER,INTENT(IN) :: ntrc ! number of tracers WRITE(*,*) 'trc_bc_ini: You should not have seen this print! error?', kt END SUBROUTINE trc_bc_ini SUBROUTINE trc_bc( kt ) ! Empty routine WRITE(*,*) 'trc_bc: You should not have seen this print! error?', kt END SUBROUTINE trc_bc #endif !!====================================================================== END MODULE trcbc