MODULE dtadyn !!====================================================================== !! *** MODULE dtadyn *** !! Off-line : interpolation of the physical fields !!====================================================================== !! History : OPA ! 1992-01 (M. Imbard) Original code !! 8.0 ! 1998-04 (L.Bopp MA Foujols) slopes for isopyc. !! - ! 1998-05 (L. Bopp) read output of coupled run !! 8.2 ! 2001-01 (M. Levy et M. Benjelloul) add netcdf FORMAT !! NEMO 1.0 ! 2005-03 (O. Aumont and A. El Moussaoui) F90 !! - ! 2005-12 (C. Ethe) Adapted for DEGINT !! 3.0 ! 2007-06 (C. Ethe) use of iom module !! 3.3 ! 2010-11 (C. Ethe) Full reorganization of the off-line: phasing with the on-line !! 3.4 ! 2011-05 (C. Ethe) Use of fldread !!---------------------------------------------------------------------- !!---------------------------------------------------------------------- !! dta_dyn_init : initialization, namelist read, and SAVEs control !! dta_dyn : Interpolation of the fields !!---------------------------------------------------------------------- USE oce ! ocean dynamics and tracers variables USE c1d ! 1D configuration: lk_c1d USE dom_oce ! ocean domain: variables USE domvvl ! variable volume USE zdf_oce ! ocean vertical physics: variables USE sbc_oce ! surface module: variables USE trc_oce ! share ocean/biogeo variables USE phycst ! physical constants USE trabbl ! active tracer: bottom boundary layer USE ldfslp ! lateral diffusion: iso-neutral slopes USE sbcrnf ! river runoffs USE ldfeiv ! eddy induced velocity coef. USE ldftra_oce ! ocean tracer lateral physics USE zdfmxl ! vertical physics: mixed layer depth USE eosbn2 ! equation of state - Brunt Vaisala frequency USE lbclnk ! ocean lateral boundary conditions (or mpp link) USE zpshde ! z-coord. with partial steps: horizontal derivatives USE in_out_manager ! I/O manager USE iom ! I/O library USE lib_mpp ! distributed memory computing library USE prtctl ! print control USE fldread ! read input fields USE wrk_nemo ! Memory allocation USE timing ! Timing USE trc, ONLY : ln_rsttr, numrtr, numrtw, lrst_trc IMPLICIT NONE PRIVATE PUBLIC dta_dyn_init ! called by opa.F90 PUBLIC dta_dyn ! called by step.F90 PUBLIC dta_dyn_swp ! called by step.F90 CHARACTER(len=100) :: cn_dir !: Root directory for location of ssr files LOGICAL :: ln_ssh_ini !: initial ssh from dyn file (T) or not (F) - ssh is then read from passive tracer restart LOGICAL :: ln_dynrnf !: read runoff data in file (T) or set to zero (F) LOGICAL :: ln_dynrnf_depth !: read runoff data in file (T) or set to zero (F) REAL(wp) :: fwbcorr INTEGER , PARAMETER :: jpfld = 20 ! maximum number of fields to read INTEGER , SAVE :: jf_tem ! index of temperature INTEGER , SAVE :: jf_sal ! index of salinity INTEGER , SAVE :: jf_uwd ! index of u-transport INTEGER , SAVE :: jf_vwd ! index of v-transport INTEGER , SAVE :: jf_wwd ! index of v-transport INTEGER , SAVE :: jf_avt ! index of Kz INTEGER , SAVE :: jf_mld ! index of mixed layer deptht INTEGER , SAVE :: jf_emp ! index of water flux INTEGER , SAVE :: jf_empb ! index of water flux INTEGER , SAVE :: jf_qsr ! index of solar radiation INTEGER , SAVE :: jf_wnd ! index of wind speed INTEGER , SAVE :: jf_ice ! index of sea ice cover INTEGER , SAVE :: jf_rnf ! index of river runoff INTEGER , SAVE :: jf_fmf ! index of downward salt flux INTEGER , SAVE :: jf_ubl ! index of u-bbl coef INTEGER , SAVE :: jf_vbl ! index of v-bbl coef INTEGER , SAVE :: jf_div ! index of e3t TYPE(FLD), ALLOCATABLE, SAVE, DIMENSION(:) :: sf_dyn ! structure of input fields (file informations, fields read) ! ! REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: uslpdta ! zonal isopycnal slopes REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: vslpdta ! meridional isopycnal slopes REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: wslpidta ! zonal diapycnal slopes REAL(wp) , ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: wslpjdta ! meridional diapycnal slopes INTEGER, SAVE :: nprevrec, nsecdyn !! * Substitutions # include "domzgr_substitute.h90" # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/OFF 3.3 , NEMO Consortium (2010) !! $Id: dtadyn.F90 4990 2014-12-15 16:42:49Z timgraham $ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE dta_dyn( kt ) !!---------------------------------------------------------------------- !! *** ROUTINE dta_dyn *** !! !! ** Purpose : Prepares dynamics and physics fields from a NEMO run !! for an off-line simulation of passive tracers !! !! ** Method : calculates the position of data !! - computes slopes if needed !! - interpolates data if needed !!---------------------------------------------------------------------- ! USE oce, ONLY: zhdivtr => ua INTEGER, INTENT(in) :: kt ! ocean time-step index INTEGER :: ji, jj, jk REAL(wp), POINTER, DIMENSION(:,:) :: zemp ! !!---------------------------------------------------------------------- ! IF( nn_timing == 1 ) CALL timing_start( 'dta_dyn') ! ! nsecdyn = nsec_year + nsec1jan000 ! number of seconds between Jan. 1st 00h of nit000 year and the middle of time step ! IF( kt == nit000 ) THEN ; nprevrec = 0 ELSE ; nprevrec = sf_dyn(jf_tem)%nrec_a(2) ENDIF ! CALL fld_read( kt, 1, sf_dyn ) != read data at kt time step ==! ! IF( lk_ldfslp .AND. .NOT.lk_c1d ) CALL dta_dyn_slp( kt ) ! Computation of slopes ! tsn(:,:,:,jp_tem) = sf_dyn(jf_tem)%fnow(:,:,:) * tmask(:,:,:) ! temperature tsn(:,:,:,jp_sal) = sf_dyn(jf_sal)%fnow(:,:,:) * tmask(:,:,:) ! salinity wndm(:,:) = sf_dyn(jf_wnd)%fnow(:,:,1) * tmask(:,:,1) ! wind speed - needed for gas exchange fmmflx(:,:) = sf_dyn(jf_fmf)%fnow(:,:,1) * tmask(:,:,1) ! downward salt flux (v3.5+) fr_i(:,:) = sf_dyn(jf_ice)%fnow(:,:,1) * tmask(:,:,1) ! Sea-ice fraction qsr (:,:) = sf_dyn(jf_qsr)%fnow(:,:,1) * tmask(:,:,1) ! solar radiation emp (:,:) = sf_dyn(jf_emp)%fnow(:,:,1) * tmask(:,:,1) ! E-P IF( ln_dynrnf ) THEN rnf (:,:) = sf_dyn(jf_rnf)%fnow(:,:,1) * tmask(:,:,1) ! E-P IF( ln_dynrnf_depth .AND. lk_vvl ) CALL dta_dyn_hrnf ENDIF ! un(:,:,:) = sf_dyn(jf_uwd)%fnow(:,:,:) * umask(:,:,:) ! effective u-transport vn(:,:,:) = sf_dyn(jf_vwd)%fnow(:,:,:) * vmask(:,:,:) ! effective v-transport wn(:,:,:) = sf_dyn(jf_wwd)%fnow(:,:,:) * tmask(:,:,:) ! effective v-transport ! IF( lk_vvl ) THEN CALL wrk_alloc(jpi, jpj, zemp ) zhdivtr(:,:,:) = sf_dyn(jf_div)%fnow(:,:,:) * tmask(:,:,:) ! effective u-transport emp_b (:,:) = sf_dyn(jf_empb)%fnow(:,:,1) * tmask(:,:,1) ! E-P zemp(:,:) = 0.5_wp * ( emp(:,:) + emp_b(:,:) ) + rnf(:,:) + fwbcorr * tmask(:,:,1) CALL dta_dyn_ssh( kt, zhdivtr, sshb, zemp, ssha, fse3t_a(:,:,:) ) != ssh, vertical scale factor & vertical transport CALL wrk_dealloc(jpi, jpj, zemp ) ! Write in the tracer restart file ! ******************************* IF( lrst_trc ) THEN IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'dta_dyn_ssh : ssh field written in tracer restart file ', & & 'at it= ', kt,' date= ', ndastp IF(lwp) WRITE(numout,*) '~~~~' CALL iom_rstput( kt, nitrst, numrtw, 'sshn', ssha ) CALL iom_rstput( kt, nitrst, numrtw, 'sshb', sshn ) ENDIF ENDIF ! CALL eos ( tsn, rhd, rhop, gdept_0(:,:,:) ) ! In any case, we need rhop CALL eos_rab( tsn, rab_n ) ! now local thermal/haline expension ratio at T-points CALL bn2 ( tsn, rab_n, rn2 ) ! before Brunt-Vaisala frequency need for zdfmxl rn2b(:,:,:) = rn2(:,:,:) ! need for zdfmxl CALL zdf_mxl( kt ) ! In any case, we need mxl ! hmld(:,:) = sf_dyn(jf_mld)%fnow(:,:,1) * tmask(:,:,1) ! mixed layer depht avt(:,:,:) = sf_dyn(jf_avt)%fnow(:,:,:) * tmask(:,:,:) ! vertical diffusive coefficient ! #if defined key_trabbl && ! defined key_c1d ahu_bbl(:,:) = sf_dyn(jf_ubl)%fnow(:,:,1) * umask(:,:,1) ! bbl diffusive coef ahv_bbl(:,:) = sf_dyn(jf_vbl)%fnow(:,:,1) * vmask(:,:,1) #endif ! ! CALL eos( tsn, rhd, rhop, gdept_0(:,:,:) ) ! In any case, we need rhop ! IF(ln_ctl) THEN ! print control CALL prt_ctl(tab3d_1=tsn(:,:,:,jp_tem), clinfo1=' tn - : ', mask1=tmask, ovlap=1, kdim=jpk ) CALL prt_ctl(tab3d_1=tsn(:,:,:,jp_sal), clinfo1=' sn - : ', mask1=tmask, ovlap=1, kdim=jpk ) CALL prt_ctl(tab3d_1=un , clinfo1=' un - : ', mask1=umask, ovlap=1, kdim=jpk ) CALL prt_ctl(tab3d_1=vn , clinfo1=' vn - : ', mask1=vmask, ovlap=1, kdim=jpk ) CALL prt_ctl(tab3d_1=wn , clinfo1=' wn - : ', mask1=tmask, ovlap=1, kdim=jpk ) CALL prt_ctl(tab3d_1=avt , clinfo1=' kz - : ', mask1=tmask, ovlap=1, kdim=jpk ) ! CALL prt_ctl(tab2d_1=fr_i , clinfo1=' fr_i - : ', mask1=tmask, ovlap=1 ) ! CALL prt_ctl(tab2d_1=hmld , clinfo1=' hmld - : ', mask1=tmask, ovlap=1 ) ! CALL prt_ctl(tab2d_1=fmmflx , clinfo1=' fmmflx - : ', mask1=tmask, ovlap=1 ) ! CALL prt_ctl(tab2d_1=emp , clinfo1=' emp - : ', mask1=tmask, ovlap=1 ) ! CALL prt_ctl(tab2d_1=wndm , clinfo1=' wspd - : ', mask1=tmask, ovlap=1 ) ! CALL prt_ctl(tab2d_1=qsr , clinfo1=' qsr - : ', mask1=tmask, ovlap=1 ) ENDIF ! IF( nn_timing == 1 ) CALL timing_stop( 'dta_dyn') ! END SUBROUTINE dta_dyn SUBROUTINE dta_dyn_init !!---------------------------------------------------------------------- !! *** ROUTINE dta_dyn_init *** !! !! ** Purpose : Initialisation of the dynamical data !! ** Method : - read the data namdta_dyn namelist !! !! ** Action : - read parameters !!---------------------------------------------------------------------- INTEGER :: ierr, ierr0, ierr1, ierr2, ierr3 ! return error code INTEGER :: ifpr ! dummy loop indice INTEGER :: jfld ! dummy loop arguments INTEGER :: inum, idv, idimv ! local integer INTEGER :: ios ! Local integer output status for namelist read INTEGER :: ji, jj, jk REAL(wp) :: zcoef INTEGER :: nkrnf_max REAL(wp) :: hrnf_max !! CHARACTER(len=100) :: cn_dir ! Root directory for location of core files TYPE(FLD_N), DIMENSION(jpfld) :: slf_d ! array of namelist informations on the fields to read TYPE(FLD_N) :: sn_uwd, sn_vwd, sn_wwd, sn_empb, sn_emp ! informations about the fields to be read TYPE(FLD_N) :: sn_tem , sn_sal , sn_avt ! " " TYPE(FLD_N) :: sn_mld, sn_qsr, sn_wnd , sn_ice , sn_fmf ! " " TYPE(FLD_N) :: sn_ubl, sn_vbl, sn_rnf ! " " TYPE(FLD_N) :: sn_div ! informations about the fields to be read !!---------------------------------------------------------------------- NAMELIST/namdta_dyn/cn_dir, ln_dynrnf, ln_dynrnf_depth, ln_ssh_ini, fwbcorr, & & sn_uwd, sn_vwd, sn_wwd, sn_emp, & & sn_avt, sn_tem, sn_sal, sn_mld , sn_qsr , & & sn_wnd, sn_ice, sn_fmf, & & sn_ubl, sn_vbl, sn_rnf, & & sn_empb, sn_div ! REWIND( numnam_ref ) ! Namelist namdta_dyn in reference namelist : Offline: init. of dynamical data READ ( numnam_ref, namdta_dyn, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdta_dyn in reference namelist', lwp ) REWIND( numnam_cfg ) ! Namelist namdta_dyn in configuration namelist : Offline: init. of dynamical data READ ( numnam_cfg, namdta_dyn, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdta_dyn in configuration namelist', lwp ) IF(lwm) WRITE ( numond, namdta_dyn ) ! ! store namelist information in an array ! ! Control print IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) 'dta_dyn : offline dynamics ' WRITE(numout,*) '~~~~~~~ ' WRITE(numout,*) ' Namelist namdta_dyn' WRITE(numout,*) ' ssh initialised from dyn file (T) or not (F) ln_ssh_ini = ', ln_ssh_ini WRITE(numout,*) ' runoffs option enabled (T) or not (F) ln_dynrnf = ', ln_dynrnf WRITE(numout,*) ' runoffs is spread in vertical ln_dynrnf_depth = ', ln_dynrnf_depth WRITE(numout,*) ' annual global mean of empmr for ssh correction fwbcorr = ', fwbcorr WRITE(numout,*) ENDIF ! jf_uwd = 1 ; jf_vwd = 2 ; jf_wwd = 3 ; jf_emp = 4 ; jf_avt = 5 jf_tem = 6 ; jf_sal = 7 ; jf_mld = 8 ; jf_qsr = 9 jf_wnd = 10 ; jf_ice = 11 ; jf_fmf = 12 ; jfld = jf_fmf ! slf_d(jf_uwd) = sn_uwd ; slf_d(jf_vwd) = sn_vwd ; slf_d(jf_wwd) = sn_wwd slf_d(jf_emp) = sn_emp ; slf_d(jf_avt) = sn_avt slf_d(jf_tem) = sn_tem ; slf_d(jf_sal) = sn_sal ; slf_d(jf_mld) = sn_mld slf_d(jf_qsr) = sn_qsr ; slf_d(jf_wnd) = sn_wnd ; slf_d(jf_ice) = sn_ice slf_d(jf_fmf) = sn_fmf ! IF( lk_vvl ) THEN jf_div = jfld + 1 ; jf_empb = jfld + 2 ; jfld = jf_empb slf_d(jf_div) = sn_div ; slf_d(jf_empb) = sn_empb ENDIF ! IF( lk_trabbl ) THEN jf_ubl = jfld + 1 ; jf_vbl = jfld + 2 ; jfld = jf_vbl slf_d(jf_ubl) = sn_ubl ; slf_d(jf_vbl) = sn_vbl ENDIF ! IF( ln_dynrnf ) THEN jf_rnf = jfld + 1 ; jfld = jf_rnf slf_d(jf_rnf) = sn_rnf ELSE rnf(:,:) = 0._wp ENDIF ALLOCATE( sf_dyn(jfld), STAT=ierr ) ! set sf structure IF( ierr > 0 ) THEN CALL ctl_stop( 'dta_dyn: unable to allocate sf structure' ) ; RETURN ENDIF ! ! fill sf with slf_i and control print CALL fld_fill( sf_dyn, slf_d, cn_dir, 'dta_dyn_init', 'Data in file', 'namdta_dyn' ) ! ! Open file for each variable to get his number of dimension DO ifpr = 1, jfld CALL fld_clopn( sf_dyn(ifpr), nyear, nmonth, nday ) idv = iom_varid( sf_dyn(ifpr)%num , slf_d(ifpr)%clvar ) ! id of the variable sdjf%clvar idimv = iom_file ( sf_dyn(ifpr)%num )%ndims(idv) ! number of dimension for variable sdjf%clvar IF( sf_dyn(ifpr)%num /= 0 ) CALL iom_close( sf_dyn(ifpr)%num ) ! close file if already open ierr1=0 IF( idimv == 3 ) THEN ! 2D variable ALLOCATE( sf_dyn(ifpr)%fnow(jpi,jpj,1) , STAT=ierr0 ) IF( slf_d(ifpr)%ln_tint ) ALLOCATE( sf_dyn(ifpr)%fdta(jpi,jpj,1,2) , STAT=ierr1 ) ELSE ! 3D variable ALLOCATE( sf_dyn(ifpr)%fnow(jpi,jpj,jpk) , STAT=ierr0 ) IF( slf_d(ifpr)%ln_tint ) ALLOCATE( sf_dyn(ifpr)%fdta(jpi,jpj,jpk,2), STAT=ierr1 ) ENDIF IF( ierr0 + ierr1 > 0 ) THEN CALL ctl_stop( 'dta_dyn_init : unable to allocate sf_dyn array structure' ) ; RETURN ENDIF END DO ! IF( lk_ldfslp .AND. .NOT.lk_c1d ) THEN ! slopes IF( sf_dyn(jf_tem)%ln_tint ) THEN ! time interpolation ALLOCATE( uslpdta (jpi,jpj,jpk,2), vslpdta (jpi,jpj,jpk,2), & & wslpidta(jpi,jpj,jpk,2), wslpjdta(jpi,jpj,jpk,2), STAT=ierr2 ) ! IF( ierr2 > 0 ) THEN CALL ctl_stop( 'dta_dyn_init : unable to allocate slope arrays' ) ; RETURN ENDIF ENDIF ENDIF ! IF( lk_vvl ) THEN IF( ln_ssh_ini ) THEN ! Restart: read in restart file IF(lwp) WRITE(numout,*) ' sshn forcing fields read in the dynamics restart file for initialisation' CALL iom_open( 'restart', inum ) CALL iom_get( inum, jpdom_autoglo, 'sshn', sshn(:,:) ) CALL iom_get( inum, jpdom_autoglo, 'sshb', sshb(:,:) ) CALL iom_close( inum ) ! close file ELSE IF(lwp) WRITE(numout,*) ' sshn forcing fields read in passive tracers restart file for initialisation' CALL iom_get( numrtr, jpdom_autoglo, 'sshn', sshn(:,:) ) CALL iom_get( numrtr, jpdom_autoglo, 'sshb', sshb(:,:) ) ENDIF ! DO jk = 1, jpkm1 fse3t_n(:,:,jk) = e3t_0(:,:,jk) * ( 1._wp + sshn(:,:) * tmask(:,:,1) / ( ht_0(:,:) + 1.0 - tmask(:,:,1) ) ) ENDDO fse3t_a(:,:,jpk) = e3t_0(:,:,jpk) ! Horizontal scale factor interpolations ! -------------------------------------- CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3u_n(:,:,:), 'U' ) CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3v_n(:,:,:), 'V' ) ! Vertical scale factor interpolations ! ------------------------------------ CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3w_n(:,:,:), 'W' ) fse3t_b(:,:,:) = fse3t_n(:,:,:) fse3u_b(:,:,:) = fse3u_n(:,:,:) fse3v_b(:,:,:) = fse3v_n(:,:,:) ! t- and w- points depth ! ---------------------- fsdept_n(:,:,1) = 0.5_wp * fse3w_n(:,:,1) fsdepw_n(:,:,1) = 0.0_wp DO jk = 2, jpk DO jj = 1,jpj DO ji = 1,jpi ! zcoef = (tmask(ji,jj,jk) - wmask(ji,jj,jk)) ! 0 everywhere ! tmask = wmask, ie everywhere expect at jk = mikt ! 1 for jk = ! mikt zcoef = (tmask(ji,jj,jk) - wmask(ji,jj,jk)) fsdepw_n(ji,jj,jk) = fsdepw_n(ji,jj,jk-1) + fse3t_n(ji,jj,jk-1) fsdept_n(ji,jj,jk) = zcoef * ( fsdepw_n(ji,jj,jk ) + 0.5 * fse3w_n(ji,jj,jk)) & & + (1-zcoef) * ( fsdept_n(ji,jj,jk-1) + fse3w_n(ji,jj,jk)) END DO END DO END DO fsdept_b(:,:,:) = fsdept_n(:,:,:) fsdepw_b(:,:,:) = fsdepw_n(:,:,:) ! ENDIF ! IF( ln_dynrnf .AND. ln_dynrnf_depth ) THEN ! read depht over which runoffs are distributed IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) ' read in the file depht over which runoffs are distributed' CALL iom_open ( "runoffs", inum ) ! open file CALL iom_get ( inum, jpdom_data, 'rodepth', h_rnf ) ! read the river mouth array CALL iom_close( inum ) ! close file ! nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied DO jj = 1, jpj DO ji = 1, jpi IF( h_rnf(ji,jj) > 0._wp ) THEN jk = 2 DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 END DO nk_rnf(ji,jj) = jk ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) ELSE CALL ctl_stop( 'sbc_rnf_init: runoff depth not positive, and not -999 or -1, rnf value in file fort.999' ) WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) ENDIF END DO END DO DO jj = 1, jpj ! set the associated depth DO ji = 1, jpi h_rnf(ji,jj) = 0._wp DO jk = 1, nk_rnf(ji,jj) h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) END DO END DO END DO ELSE ! runoffs applied at the surface nk_rnf(:,:) = 1 h_rnf (:,:) = fse3t(:,:,1) ENDIF nkrnf_max = MAXVAL( nk_rnf(:,:) ) hrnf_max = MAXVAL( h_rnf(:,:) ) IF( lk_mpp ) THEN CALL mpp_max( nkrnf_max ) ! max over the global domain CALL mpp_max( hrnf_max ) ! max over the global domain ENDIF IF(lwp) WRITE(numout,*) ' ' IF(lwp) WRITE(numout,*) ' max depht of runoff : ', hrnf_max,' max level : ', nkrnf_max IF(lwp) WRITE(numout,*) ' ' ! CALL dta_dyn( nit000 ) ! END SUBROUTINE dta_dyn_init SUBROUTINE dta_dyn_swp( kt ) !!--------------------------------------------------------------------- !! *** ROUTINE dta_dyn_swp *** !! !! ** Purpose : Swap and the data and compute the vertical scale factor at U/V/W point !! and the depht !! !!--------------------------------------------------------------------- INTEGER, INTENT(in) :: kt ! time step INTEGER :: ji, jj, jk REAL(wp) :: zcoef ! !!--------------------------------------------------------------------- IF( kt == nit000 ) THEN IF(lwp) WRITE(numout,*) IF(lwp) WRITE(numout,*) 'ssh_swp : Asselin time filter and swap of sea surface height' IF(lwp) WRITE(numout,*) '~~~~~~~ ' ENDIF sshb(:,:) = sshn(:,:) + atfp * ( sshb(:,:) - 2 * sshn(:,:) + ssha(:,:)) ! before <-- now filtered sshn(:,:) = ssha(:,:) fse3t_n(:,:,:) = fse3t_a(:,:,:) ! Reconstruction of all vertical scale factors at now and before time steps ! ============================================================================= ! Horizontal scale factor interpolations ! -------------------------------------- CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3u_n(:,:,:), 'U' ) CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3v_n(:,:,:), 'V' ) ! Vertical scale factor interpolations ! ------------------------------------ CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3w_n (:,:,:), 'W' ) fse3t_b(:,:,:) = fse3t_n(:,:,:) fse3u_b(:,:,:) = fse3u_n(:,:,:) fse3v_b(:,:,:) = fse3v_n(:,:,:) ! t- and w- points depth ! ---------------------- fsdept_n(:,:,1) = 0.5_wp * fse3w_n(:,:,1) fsdepw_n(:,:,1) = 0.0_wp DO jk = 2, jpk DO jj = 1,jpj DO ji = 1,jpi zcoef = (tmask(ji,jj,jk) - wmask(ji,jj,jk)) fsdepw_n(ji,jj,jk) = fsdepw_n(ji,jj,jk-1) + fse3t_n(ji,jj,jk-1) fsdept_n(ji,jj,jk) = zcoef * ( fsdepw_n(ji,jj,jk ) + 0.5 * fse3w_n(ji,jj,jk)) & & + (1-zcoef) * ( fsdept_n(ji,jj,jk-1) + fse3w_n(ji,jj,jk)) END DO END DO END DO fsdept_b(:,:,:) = fsdept_n(:,:,:) fsdepw_b(:,:,:) = fsdepw_n(:,:,:) ! END SUBROUTINE dta_dyn_swp SUBROUTINE dta_dyn_ssh( kt, phdivtr, psshb, pemp, pssha, pe3ta ) !!---------------------------------------------------------------------- !! *** ROUTINE dta_dyn_wzv *** !! !! ** Purpose : compute the after ssh (ssha) and the now vertical velocity !! !! ** Method : Using the incompressibility hypothesis, !! - the ssh increment is computed by integrating the horizontal divergence !! and multiply by the time step. !! !! - compute the after scale factor : repartition of ssh INCREMENT proportionnaly !! to the level thickness ( z-star case ) !! !! - the vertical velocity is computed by integrating the horizontal divergence !! from the bottom to the surface minus the scale factor evolution. !! The boundary conditions are w=0 at the bottom (no flux) !! !! ** action : ssha / e3t_a / wn !! !! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling. !!---------------------------------------------------------------------- !! * Arguments INTEGER, INTENT(in ) :: kt ! time-step REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: phdivtr ! horizontal divergence transport REAL(wp), DIMENSION(jpi,jpj) , OPTIONAL, INTENT(in ) :: psshb ! now ssh REAL(wp), DIMENSION(jpi,jpj) , OPTIONAL, INTENT(in ) :: pemp ! evaporation minus precipitation REAL(wp), DIMENSION(jpi,jpj) , OPTIONAL, INTENT(inout) :: pssha ! after ssh REAL(wp), DIMENSION(jpi,jpj,jpk), OPTIONAL, INTENT(out) :: pe3ta ! after vertical scale factor !! * Local declarations INTEGER :: jk REAL(wp), DIMENSION(jpi,jpj) :: zhdiv REAL(wp) :: z2dt !!---------------------------------------------------------------------- ! z2dt = 2._wp * rdt ! zhdiv(:,:) = 0._wp DO jk = 1, jpkm1 zhdiv(:,:) = zhdiv(:,:) + phdivtr(:,:,jk) * tmask(:,:,jk) END DO ! ! Sea surface elevation time-stepping pssha(:,:) = ( psshb(:,:) - z2dt * ( r1_rau0 * pemp(:,:) + zhdiv(:,:) ) ) * ssmask(:,:) ! ! ! ! After acale factors at t-points ( z_star coordinate ) DO jk = 1, jpkm1 pe3ta(:,:,jk) = e3t_0(:,:,jk) * ( 1._wp + pssha(:,:) * tmask(:,:,1) / ( ht_0(:,:) + 1.0 - tmask(:,:,1) ) ) END DO ! END SUBROUTINE dta_dyn_ssh SUBROUTINE dta_dyn_hrnf !!---------------------------------------------------------------------- !! *** ROUTINE sbc_rnf *** !! !! ** Purpose : update the horizontal divergence with the runoff inflow !! !! ** Method : !! CAUTION : rnf is positive (inflow) decreasing the !! divergence and expressed in m/s !! !! ** Action : phdivn decreased by the runoff inflow !!---------------------------------------------------------------------- !! INTEGER :: ji, jj, jk ! dummy loop indices !!---------------------------------------------------------------------- ! DO jj = 1, jpj ! update the depth over which runoffs are distributed DO ji = 1, jpi h_rnf(ji,jj) = 0._wp DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) ! to the bottom of the relevant grid box END DO END DO END DO ! END SUBROUTINE dta_dyn_hrnf SUBROUTINE dta_dyn_slp( kt ) !!--------------------------------------------------------------------- !! *** ROUTINE dta_dyn_slp *** !! !! ** Purpose : Computation of slope !! !!--------------------------------------------------------------------- USE oce, ONLY: zts => tsa ! INTEGER, INTENT(in) :: kt ! time step ! INTEGER :: ji, jj ! dummy loop indices REAL(wp) :: ztinta ! ratio applied to after records when doing time interpolation REAL(wp) :: ztintb ! ratio applied to before records when doing time interpolation INTEGER :: iswap REAL(wp), POINTER, DIMENSION(:,:,:) :: zuslp, zvslp, zwslpi, zwslpj !!--------------------------------------------------------------------- ! CALL wrk_alloc(jpi, jpj, jpk, zuslp, zvslp, zwslpi, zwslpj ) ! IF( sf_dyn(jf_tem)%ln_tint ) THEN ! Computes slopes (here avt is used as workspace) IF( kt == nit000 ) THEN zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fdta(:,:,:,1) * tmask(:,:,:) ! temperature zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,1) * tmask(:,:,:) ! salinity avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,1) * tmask(:,:,:) ! vertical diffusive coef. CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj ) uslpdta (:,:,:,1) = zuslp (:,:,:) vslpdta (:,:,:,1) = zvslp (:,:,:) wslpidta(:,:,:,1) = zwslpi(:,:,:) wslpjdta(:,:,:,1) = zwslpj(:,:,:) ! zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fdta(:,:,:,2) * tmask(:,:,:) ! temperature zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,2) * tmask(:,:,:) ! salinity avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,2) * tmask(:,:,:) ! vertical diffusive coef. CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj ) uslpdta (:,:,:,2) = zuslp (:,:,:) vslpdta (:,:,:,2) = zvslp (:,:,:) wslpidta(:,:,:,2) = zwslpi(:,:,:) wslpjdta(:,:,:,2) = zwslpj(:,:,:) ELSE ! iswap = 0 IF( sf_dyn(jf_tem)%nrec_a(2) - nprevrec /= 0 ) iswap = 1 IF( nsecdyn > sf_dyn(jf_tem)%nrec_b(2) .AND. iswap == 1 ) THEN ! read/update the after data IF(lwp) WRITE(numout,*) ' Compute new slopes at kt = ', kt uslpdta (:,:,:,1) = uslpdta (:,:,:,2) ! swap the data vslpdta (:,:,:,1) = vslpdta (:,:,:,2) wslpidta(:,:,:,1) = wslpidta(:,:,:,2) wslpjdta(:,:,:,1) = wslpjdta(:,:,:,2) ! zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fdta(:,:,:,2) * tmask(:,:,:) ! temperature zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,2) * tmask(:,:,:) ! salinity avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,2) * tmask(:,:,:) ! vertical diffusive coef. CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj ) ! uslpdta (:,:,:,2) = zuslp (:,:,:) vslpdta (:,:,:,2) = zvslp (:,:,:) wslpidta(:,:,:,2) = zwslpi(:,:,:) wslpjdta(:,:,:,2) = zwslpj(:,:,:) ENDIF ENDIF ENDIF ! IF( sf_dyn(jf_tem)%ln_tint ) THEN ztinta = REAL( nsecdyn - sf_dyn(jf_tem)%nrec_b(2), wp ) & & / REAL( sf_dyn(jf_tem)%nrec_a(2) - sf_dyn(jf_tem)%nrec_b(2), wp ) ztintb = 1. - ztinta #if defined key_ldfslp && ! defined key_c1d uslp (:,:,:) = ztintb * uslpdta (:,:,:,1) + ztinta * uslpdta (:,:,:,2) vslp (:,:,:) = ztintb * vslpdta (:,:,:,1) + ztinta * vslpdta (:,:,:,2) wslpi(:,:,:) = ztintb * wslpidta(:,:,:,1) + ztinta * wslpidta(:,:,:,2) wslpj(:,:,:) = ztintb * wslpjdta(:,:,:,1) + ztinta * wslpjdta(:,:,:,2) #endif ELSE zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fnow(:,:,:) * tmask(:,:,:) ! temperature zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fnow(:,:,:) * tmask(:,:,:) ! salinity avt(:,:,:) = sf_dyn(jf_avt)%fnow(:,:,:) * tmask(:,:,:) ! vertical diffusive coef. CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj ) ! #if defined key_ldfslp && ! defined key_c1d uslp (:,:,:) = zuslp (:,:,:) vslp (:,:,:) = zvslp (:,:,:) wslpi(:,:,:) = zwslpi(:,:,:) wslpj(:,:,:) = zwslpj(:,:,:) #endif ENDIF ! CALL wrk_dealloc(jpi, jpj, jpk, zuslp, zvslp, zwslpi, zwslpj ) ! END SUBROUTINE dta_dyn_slp SUBROUTINE compute_slopes( kt, pts, puslp, pvslp, pwslpi, pwslpj ) !!--------------------------------------------------------------------- !! *** ROUTINE dta_dyn_slp *** !! !! ** Purpose : Computation of slope !! !!--------------------------------------------------------------------- INTEGER , INTENT(in ) :: kt ! time step REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT(in ) :: pts ! temperature/salinity REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(out) :: puslp ! zonal isopycnal slopes REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(out) :: pvslp ! meridional isopycnal slopes REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(out) :: pwslpi ! zonal diapycnal slopes REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(out) :: pwslpj ! meridional diapycnal slopes !!--------------------------------------------------------------------- #if defined key_ldfslp && ! defined key_c1d CALL eos ( pts, rhd, rhop, gdept_0(:,:,:) ) CALL eos_rab( pts, rab_n ) ! now local thermal/haline expension ratio at T-points CALL bn2 ( pts, rab_n, rn2 ) ! now Brunt-Vaisala ! Partial steps: before Horizontal DErivative IF( ln_zps .AND. .NOT. ln_isfcav) & & CALL zps_hde ( kt, jpts, pts, gtsu, gtsv, & ! Partial steps: before horizontal gradient & rhd, gru , grv ) ! of t, s, rd at the last ocean level IF( ln_zps .AND. ln_isfcav) & & CALL zps_hde_isf( kt, jpts, pts, gtsu, gtsv, & ! Partial steps for top cell (ISF) & rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , & & gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the first ocean level rn2b(:,:,:) = rn2(:,:,:) ! need for zdfmxl CALL zdf_mxl( kt ) ! mixed layer depth CALL ldf_slp( kt, rhd, rn2 ) ! slopes puslp (:,:,:) = uslp (:,:,:) pvslp (:,:,:) = vslp (:,:,:) pwslpi(:,:,:) = wslpi(:,:,:) pwslpj(:,:,:) = wslpj(:,:,:) #else puslp (:,:,:) = 0. ! to avoid warning when compiling pvslp (:,:,:) = 0. pwslpi(:,:,:) = 0. pwslpj(:,:,:) = 0. #endif ! END SUBROUTINE compute_slopes !!====================================================================== END MODULE dtadyn