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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
!! 4.1 ! 2019-08 (A. Coward, D. Storkey) split dta_dyn_sf_swp -> dta_dyn_sf_atf and dta_dyn_sf_interp
!!----------------------------------------------------------------------
!!----------------------------------------------------------------------
!! 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: ln_c1d
USE dom_oce ! ocean domain: variables
#if defined key_qco
USE domqco ! variable volume
#else
USE domvvl
#endif
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 ldftra ! 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 timing ! Timing
USE trc, ONLY : ln_rsttr, lrst_trc
IMPLICIT NONE
PRIVATE
PUBLIC dta_dyn_init ! called by nemo_init
PUBLIC dta_dyn ! called by nemo_gcm
PUBLIC dta_dyn_atf ! called by nemo_gcm
#if ! defined key_qco
PUBLIC dta_dyn_sf_interp ! called by nemo_gcm
#endif
#if defined key_sed_off
PUBLIC dta_dyn_sed_init ! called by nemo_init
PUBLIC dta_dyn_sed ! called by nemo_gcm
#endif
CHARACTER(len=100) :: cn_dir !: Root directory for location of ssr files
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)
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 w-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 "do_loop_substitute.h90"
# include "domzgr_substitute.h90"
!!----------------------------------------------------------------------
!! NEMO/OFF 4.0 , NEMO Consortium (2018)
!! $Id: dtadyn.F90 15090 2021-07-06 14:25:18Z cetlod $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
SUBROUTINE dta_dyn( kt, Kbb, Kmm, Kaa )
!!----------------------------------------------------------------------
!! *** 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
!!----------------------------------------------------------------------
INTEGER, INTENT(in) :: kt ! ocean time-step index
INTEGER, INTENT(in) :: Kbb, Kmm, Kaa ! ocean time level indices
!
INTEGER :: ji, jj, jk
REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zemp
REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zhdivtr
!!----------------------------------------------------------------------
!
IF( ln_timing ) 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(2,sf_dyn(jf_tem)%naa)
ENDIF
CALL fld_read( kt, 1, sf_dyn ) != read data at kt time step ==!
!
IF( l_ldfslp .AND. .NOT.ln_c1d ) CALL dta_dyn_slp( kt, Kbb, Kmm ) ! Computation of slopes
!
ts(:,:,:,jp_tem,Kmm) = sf_dyn(jf_tem)%fnow(:,:,:) * tmask(:,:,:) ! temperature
ts(:,:,:,jp_sal,Kmm) = 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. .NOT. ln_linssh ) CALL dta_dyn_rnf( Kmm )
ENDIF
!
uu(:,:,:,Kmm) = sf_dyn(jf_uwd)%fnow(:,:,:) * umask(:,:,:) ! effective u-transport
vv(:,:,:,Kmm) = sf_dyn(jf_vwd)%fnow(:,:,:) * vmask(:,:,:) ! effective v-transport
ww(:,:,:) = sf_dyn(jf_wwd)%fnow(:,:,:) * tmask(:,:,:) ! effective v-transport
!
IF( .NOT.ln_linssh ) THEN
ALLOCATE( zemp(jpi,jpj) , zhdivtr(jpi,jpj,jpk) )
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(:,:) ) * tmask(:,:,1)
#if defined key_qco
CALL dta_dyn_ssh( kt, zhdivtr, ssh(:,:,Kbb), zemp, ssh(:,:,Kaa) )
CALL dom_qco_r3c( ssh(:,:,Kaa), r3t(:,:,Kaa), r3u(:,:,Kaa), r3v(:,:,Kaa) )
#else
CALL dta_dyn_ssh( kt, zhdivtr, ssh(:,:,Kbb), zemp, ssh(:,:,Kaa), e3t(:,:,:,Kaa) ) != ssh, vertical scale factor
#endif
DEALLOCATE( zemp , zhdivtr )
! 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', ssh(:,:,Kaa) )
CALL iom_rstput( kt, nitrst, numrtw, 'sshb', ssh(:,:,Kmm) )
ENDIF
ENDIF
!
CALL eos ( ts(:,:,:,:,Kmm), rhd, rhop, gdept_0(:,:,:) ) ! In any case, we need rhop
CALL eos_rab( ts(:,:,:,:,Kmm), rab_n, Kmm ) ! now local thermal/haline expension ratio at T-points
CALL bn2 ( ts(:,:,:,:,Kmm), rab_n, rn2, Kmm ) ! before Brunt-Vaisala frequency need for zdfmxl
rn2b(:,:,:) = rn2(:,:,:) ! needed for zdfmxl
CALL zdf_mxl( kt, Kmm ) ! 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
avs(:,:,:) = avt(:,:,:)
!
IF( ln_trabbl .AND. .NOT.ln_c1d ) THEN ! diffusive Bottom boundary layer param
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( ts(:,:,:,:,Kmm), rhd, rhop, gdept_0(:,:,:) ) ! In any case, we need rhop
!
IF(sn_cfctl%l_prtctl) THEN ! print control
CALL prt_ctl(tab3d_1=ts(:,:,:,jp_tem,Kmm), clinfo1=' tn - : ', mask1=tmask, kdim=jpk )
CALL prt_ctl(tab3d_1=ts(:,:,:,jp_sal,Kmm), clinfo1=' sn - : ', mask1=tmask, kdim=jpk )
CALL prt_ctl(tab3d_1=uu(:,:,:,Kmm) , clinfo1=' uu(:,:,:,Kmm) - : ', mask1=umask, kdim=jpk )
CALL prt_ctl(tab3d_1=vv(:,:,:,Kmm) , clinfo1=' vv(:,:,:,Kmm) - : ', mask1=vmask, kdim=jpk )
CALL prt_ctl(tab3d_1=ww , clinfo1=' ww - : ', mask1=tmask, kdim=jpk )
CALL prt_ctl(tab3d_1=avt , clinfo1=' kz - : ', mask1=tmask, kdim=jpk )
CALL prt_ctl(tab3d_1=uslp , clinfo1=' slp - u : ', tab3d_2=vslp, clinfo2=' v : ', kdim=jpk)
CALL prt_ctl(tab3d_1=wslpi , clinfo1=' slp - wi: ', tab3d_2=wslpj, clinfo2=' wj: ', kdim=jpk)
ENDIF
!
IF( ln_timing ) CALL timing_stop( 'dta_dyn')
!
END SUBROUTINE dta_dyn
SUBROUTINE dta_dyn_init( Kbb, Kmm, Kaa )
!!----------------------------------------------------------------------
!! *** ROUTINE dta_dyn_init ***
!!
!! ** Purpose : Initialisation of the dynamical data
!! ** Method : - read the data namdta_dyn namelist
!!----------------------------------------------------------------------
INTEGER, INTENT(in) :: Kbb, Kmm, Kaa ! ocean time level indices
!
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
!!
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, &
& 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
!!----------------------------------------------------------------------
!
READ ( numnam_ref, namdta_dyn, IOSTAT = ios, ERR = 901)
901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdta_dyn in reference namelist' )
READ ( numnam_cfg, namdta_dyn, IOSTAT = ios, ERR = 902 )
902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namdta_dyn in configuration namelist' )
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,*) ' 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,*)
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( .NOT.ln_linssh ) 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( ln_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' )
sf_dyn(jf_uwd)%cltype = 'U' ; sf_dyn(jf_uwd)%zsgn = -1._wp
sf_dyn(jf_vwd)%cltype = 'V' ; sf_dyn(jf_vwd)%zsgn = -1._wp
!
IF( ln_trabbl ) THEN
sf_dyn(jf_ubl)%cltype = 'U' ; sf_dyn(jf_ubl)%zsgn = 1._wp
sf_dyn(jf_vbl)%cltype = 'V' ; sf_dyn(jf_vbl)%zsgn = 1._wp
END IF
!
! Open file for each variable to get his number of dimension
DO ifpr = 1, jfld
CALL fld_def( sf_dyn(ifpr) )
CALL iom_open( sf_dyn(ifpr)%clname, sf_dyn(ifpr)%num )
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
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( l_ldfslp .AND. .NOT.ln_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( .NOT.ln_linssh ) THEN
IF( .NOT. sf_dyn(jf_uwd)%ln_clim .AND. ln_rsttr .AND. & ! Restart: read in restart file
iom_varid( numrtr, 'sshn', ldstop = .FALSE. ) > 0 ) THEN
IF(lwp) WRITE(numout,*) ' ssh(:,:,Kmm) forcing fields read in the restart file for initialisation'
CALL iom_get( numrtr, jpdom_auto, 'sshn', ssh(:,:,Kmm) )
CALL iom_get( numrtr, jpdom_auto, 'sshb', ssh(:,:,Kbb) )
ELSE
IF(lwp) WRITE(numout,*) ' ssh(:,:,Kmm) forcing fields read in the restart file for initialisation'
CALL iom_open( 'restart', inum )
CALL iom_get( inum, jpdom_auto, 'sshn', ssh(:,:,Kmm) )
CALL iom_get( inum, jpdom_auto, 'sshb', ssh(:,:,Kbb) )
CALL iom_close( inum ) ! close file
ENDIF
!
#if defined key_qco
CALL dom_qco_r3c( ssh(:,:,Kbb), r3t(:,:,Kbb), r3u(:,:,Kbb), r3v(:,:,Kbb) )
CALL dom_qco_r3c( ssh(:,:,Kmm), r3t(:,:,Kmm), r3u(:,:,Kmm), r3v(:,:,Kmm) )
#else
DO jk = 1, jpkm1
e3t(:,:,jk,Kmm) = e3t_0(:,:,jk) * ( 1._wp + ssh(:,:,Kmm) * r1_ht_0(:,:) * tmask(:,:,jk) )
e3t(:,:,jk,Kbb) = e3t_0(:,:,jk) * ( 1._wp + ssh(:,:,Kbb) * r1_ht_0(:,:) * tmask(:,:,jk) )
ENDDO
CALL dta_dyn_sf_interp( nit000, Kmm )
CALL dta_dyn_sf_interp( nit000, Kbb )
#endif
ENDIF
!
CALL dta_dyn_rnf_init( Kmm )
!
CALL dta_dyn( nit000, Kbb, Kmm, Kaa )
!
END SUBROUTINE dta_dyn_init
SUBROUTINE dta_dyn_atf( kt, Kbb, Kmm, Kaa )
!!---------------------------------------------------------------------
!! *** ROUTINE dta_dyn_swp ***
!!
!! ** Purpose : Asselin time filter of now SSH
!!---------------------------------------------------------------------
INTEGER, INTENT(in) :: kt ! time step
INTEGER, INTENT(in) :: Kbb, Kmm, Kaa ! ocean time level indices
!
!!---------------------------------------------------------------------
IF( kt == nit000 ) THEN
IF(lwp) WRITE(numout,*)
IF(lwp) WRITE(numout,*) 'dta_dyn_atf : Asselin time filter of sea surface height'
IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ '
ENDIF
ssh(:,:,Kmm) = ssh(:,:,Kmm) + rn_atfp * ( ssh(:,:,Kbb) - 2 * ssh(:,:,Kmm) + ssh(:,:,Kaa))
!
END SUBROUTINE dta_dyn_atf
#if ! defined key_qco
SUBROUTINE dta_dyn_sf_interp( kt, Kmm )
!!---------------------------------------------------------------------
!! *** ROUTINE dta_dyn_sf_interp ***
!!
!! ** Purpose : Calculate scale factors at U/V/W points and depths
!! given the after e3t field
!!---------------------------------------------------------------------
INTEGER, INTENT(in) :: kt ! time step
INTEGER, INTENT(in) :: Kmm ! ocean time level indices
!
INTEGER :: ji, jj, jk
REAL(wp) :: zcoef
!!---------------------------------------------------------------------
! Horizontal scale factor interpolations
! --------------------------------------
CALL dom_vvl_interpol( e3t(:,:,:,Kmm), e3u(:,:,:,Kmm), 'U' )
CALL dom_vvl_interpol( e3t(:,:,:,Kmm), e3v(:,:,:,Kmm), 'V' )
! Vertical scale factor interpolations
! ------------------------------------
CALL dom_vvl_interpol( e3t(:,:,:,Kmm), e3w (:,:,:,Kmm), 'W' )
! t- and w- points depth
! ----------------------
gdept(:,:,1,Kmm) = 0.5_wp * e3w(:,:,1,Kmm)
gdepw(:,:,1,Kmm) = 0.0_wp
!
DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 2, jpk )
zcoef = (tmask(ji,jj,jk) - wmask(ji,jj,jk))
gdepw(ji,jj,jk,Kmm) = gdepw(ji,jj,jk-1,Kmm) + e3t(ji,jj,jk-1,Kmm)
gdept(ji,jj,jk,Kmm) = zcoef * ( gdepw(ji,jj,jk ,Kmm) + 0.5 * e3w(ji,jj,jk,Kmm)) &
& + (1-zcoef) * ( gdept(ji,jj,jk-1,Kmm) + e3w(ji,jj,jk,Kmm))
END_3D
!
END SUBROUTINE dta_dyn_sf_interp
#endif
SUBROUTINE dta_dyn_ssh( kt, phdivtr, psshb, pemp, pssha, pe3ta )
!!----------------------------------------------------------------------
!! *** ROUTINE dta_dyn_wzv ***
!!
!! ** Purpose : compute the after ssh (ssh(:,:,Kaa)) 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 : ssh(:,:,Kaa) / e3t(:,:,k,Kaa) / ww
!!
!! Reference : Leclair, M., and G. Madec, 2009, Ocean Modelling.
!!----------------------------------------------------------------------
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
!
INTEGER :: jk
REAL(wp), DIMENSION(jpi,jpj) :: zhdiv
REAL(wp) :: z2dt
!!----------------------------------------------------------------------
!
z2dt = 2._wp * rn_Dt
!
zhdiv(:,:) = 0._wp
DO jk = 1, jpkm1
zhdiv(:,:) = zhdiv(:,:) + phdivtr(:,:,jk) * tmask(:,:,jk)
END DO
! ! Sea surface elevation time-stepping
pssha(:,:) = ( psshb(:,:) - z2dt * ( r1_rho0 * pemp(:,:) + zhdiv(:,:) ) ) * ssmask(:,:)
!
IF( PRESENT( pe3ta ) ) THEN ! After acale factors at t-points ( z_star coordinate )
DO jk = 1, jpkm1
pe3ta(:,:,jk) = e3t_0(:,:,jk) * ( 1._wp + pssha(:,:) * r1_ht_0(:,:) * tmask(:,:,jk) )
END DO
ENDIF
!
END SUBROUTINE dta_dyn_ssh
SUBROUTINE dta_dyn_rnf_init( Kmm )
!!----------------------------------------------------------------------
!! *** ROUTINE dta_dyn_rnf_init ***
!!
!! ** Purpose : Initialisation of the runoffs if (ln_rnf=T)
!!
!!----------------------------------------------------------------------
INTEGER, INTENT(in) :: Kmm ! ocean time level indices
!
INTEGER :: inum ! local integer
INTEGER :: ji, jj, jk
REAL(wp) :: zcoef
INTEGER :: nkrnf_max
REAL(wp) :: hrnf_max
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_global, '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_2D( nn_hls, nn_hls, nn_hls, nn_hls )
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_2D
!
! set the associated depth
DO_2D( nn_hls, nn_hls, nn_hls, nn_hls )
h_rnf(ji,jj) = 0._wp
DO jk = 1, nk_rnf(ji,jj)
h_rnf(ji,jj) = h_rnf(ji,jj) + e3t(ji,jj,jk,Kmm)
END DO
END_2D
ELSE ! runoffs applied at the surface
nk_rnf(:,:) = 1
h_rnf (:,:) = e3t(:,:,1,Kmm)
ENDIF
nkrnf_max = MAXVAL( nk_rnf(:,:) )
hrnf_max = MAXVAL( h_rnf(:,:) )
IF( lk_mpp ) THEN
CALL mpp_max( 'dtadyn', nkrnf_max ) ! max over the global domain
CALL mpp_max( 'dtadyn', 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,*) ' '
!
END SUBROUTINE dta_dyn_rnf_init
SUBROUTINE dta_dyn_rnf( Kmm )
!!----------------------------------------------------------------------
!! *** ROUTINE dta_dyn_rnf ***
!!
!! ** Purpose : update the horizontal divergence with the runoff inflow
!!
!!----------------------------------------------------------------------
!!
INTEGER, INTENT(in) :: Kmm ! ocean time level index
!
INTEGER :: ji, jj, jk ! dummy loop indices
!!----------------------------------------------------------------------
!
! update the depth over which runoffs are distributed
DO_2D( nn_hls, nn_hls, nn_hls, nn_hls )
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) + e3t(ji,jj,jk,Kmm) ! to the bottom of the relevant grid box
END DO
END_2D
!
END SUBROUTINE dta_dyn_rnf
SUBROUTINE dta_dyn_slp( kt, Kbb, Kmm )
!!---------------------------------------------------------------------
!! *** ROUTINE dta_dyn_slp ***
!!
!! ** Purpose : Computation of slope
!!
!!---------------------------------------------------------------------
INTEGER, INTENT(in) :: kt ! time step
INTEGER, INTENT(in) :: Kbb, Kmm ! ocean time level indices
!
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), DIMENSION(jpi,jpj,jpk) :: zuslp, zvslp, zwslpi, zwslpj
REAL(wp), DIMENSION(jpi,jpj,jpk,jpts) :: zts
!!---------------------------------------------------------------------
!
IF( sf_dyn(jf_tem)%ln_tint ) THEN ! Computes slopes (here avt is used as workspace)
!
IF( kt == nit000 ) THEN
IF(lwp) WRITE(numout,*) ' Compute new slopes at kt = ', kt
zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fdta(:,:,:,sf_dyn(jf_tem)%nbb) * tmask(:,:,:) ! temperature
zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,sf_dyn(jf_sal)%nbb) * tmask(:,:,:) ! salinity
avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,sf_dyn(jf_avt)%nbb) * tmask(:,:,:) ! vertical diffusive coef.
CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj, Kbb, Kmm )
uslpdta (:,:,:,1) = zuslp (:,:,:)
vslpdta (:,:,:,1) = zvslp (:,:,:)
wslpidta(:,:,:,1) = zwslpi(:,:,:)
wslpjdta(:,:,:,1) = zwslpj(:,:,:)
!
zts(:,:,:,jp_tem) = sf_dyn(jf_tem)%fdta(:,:,:,sf_dyn(jf_tem)%naa) * tmask(:,:,:) ! temperature
zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,sf_dyn(jf_sal)%naa) * tmask(:,:,:) ! salinity
avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,sf_dyn(jf_avt)%naa) * tmask(:,:,:) ! vertical diffusive coef.
CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj, Kbb, Kmm )
uslpdta (:,:,:,2) = zuslp (:,:,:)
vslpdta (:,:,:,2) = zvslp (:,:,:)
wslpidta(:,:,:,2) = zwslpi(:,:,:)
wslpjdta(:,:,:,2) = zwslpj(:,:,:)
ELSE
!
iswap = 0
IF( sf_dyn(jf_tem)%nrec(2,sf_dyn(jf_tem)%naa) - nprevrec /= 0 ) iswap = 1
IF( nsecdyn > sf_dyn(jf_tem)%nrec(2,sf_dyn(jf_tem)%nbb) .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(:,:,:,sf_dyn(jf_tem)%naa) * tmask(:,:,:) ! temperature
zts(:,:,:,jp_sal) = sf_dyn(jf_sal)%fdta(:,:,:,sf_dyn(jf_sal)%naa) * tmask(:,:,:) ! salinity
avt(:,:,:) = sf_dyn(jf_avt)%fdta(:,:,:,sf_dyn(jf_avt)%naa) * tmask(:,:,:) ! vertical diffusive coef.
CALL compute_slopes( kt, zts, zuslp, zvslp, zwslpi, zwslpj, Kbb, Kmm )
!
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(2,sf_dyn(jf_tem)%nbb), wp ) &
& / REAL( sf_dyn(jf_tem)%nrec(2,sf_dyn(jf_tem)%naa) - sf_dyn(jf_tem)%nrec(2,sf_dyn(jf_tem)%nbb), wp )
ztintb = 1. - ztinta
IF( l_ldfslp .AND. .NOT.ln_c1d ) THEN ! Computes slopes (here avt is used as workspace)
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, Kbb, Kmm )
!
IF( l_ldfslp .AND. .NOT.ln_c1d ) THEN ! Computes slopes (here avt is used as workspace)
uslp (:,:,:) = zuslp (:,:,:)
vslp (:,:,:) = zvslp (:,:,:)
wslpi(:,:,:) = zwslpi(:,:,:)
wslpj(:,:,:) = zwslpj(:,:,:)
ENDIF
ENDIF
!
END SUBROUTINE dta_dyn_slp
SUBROUTINE compute_slopes( kt, pts, puslp, pvslp, pwslpi, pwslpj, Kbb, Kmm )
!!---------------------------------------------------------------------
!! *** ROUTINE dta_dyn_slp ***
!!
!! ** Purpose : Computation of slope
!!---------------------------------------------------------------------
INTEGER , INTENT(in ) :: kt ! time step
REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT(inout) :: 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
INTEGER , INTENT(in ) :: Kbb, Kmm ! ocean time level indices
!!---------------------------------------------------------------------
!
IF( l_ldfslp .AND. .NOT.ln_c1d ) THEN ! Computes slopes (here avt is used as workspace)
CALL eos ( pts, rhd, rhop, gdept_0(:,:,:) )
CALL eos_rab( pts, rab_n, Kmm ) ! now local thermal/haline expension ratio at T-points
CALL bn2 ( pts, rab_n, rn2, Kmm ) ! now Brunt-Vaisala
! Partial steps: before Horizontal DErivative
IF( ln_zps .AND. .NOT. ln_isfcav) &
& CALL zps_hde ( kt, Kmm, 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, Kmm, jpts, pts, gtsu, gtsv, gtui, gtvi, & ! Partial steps for top cell (ISF)
& rhd, gru , grv , grui, grvi ) ! of t, s, rd at the first ocean level
rn2b(:,:,:) = rn2(:,:,:) ! needed for zdfmxl
CALL zdf_mxl( kt, Kmm ) ! mixed layer depth
CALL ldf_slp( kt, rhd, rn2, Kbb, Kmm ) ! 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
#if defined key_sed_off
SUBROUTINE dta_dyn_sed( kt, Kmm )
!!----------------------------------------------------------------------
!! *** 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
!!----------------------------------------------------------------------
INTEGER, INTENT(in) :: kt ! ocean time-step index
INTEGER, INTENT(in) :: Kmm ! ocean time level index
!
!!----------------------------------------------------------------------
!
IF( ln_timing ) CALL timing_start( 'dta_dyn_sed')
!
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(2,sf_dyn(jf_tem)%naa)
ENDIF
CALL fld_read( kt, 1, sf_dyn ) != read data at kt time step ==!
!
ts(:,:,:,jp_tem,Kmm) = sf_dyn(jf_tem)%fnow(:,:,:) * tmask(:,:,:) ! temperature
ts(:,:,:,jp_sal,Kmm) = sf_dyn(jf_sal)%fnow(:,:,:) * tmask(:,:,:) ! salinity
!
CALL eos ( ts(:,:,:,:,Kmm), rhd, rhop, gdept_0(:,:,:) ) ! In any case, we need rhop
IF(sn_cfctl%l_prtctl) THEN ! print control
CALL prt_ctl(tab3d_1=ts(:,:,:,jp_tem,Kmm), clinfo1=' tn - : ', mask1=tmask, kdim=jpk )
CALL prt_ctl(tab3d_1=ts(:,:,:,jp_sal,Kmm), clinfo1=' sn - : ', mask1=tmask, kdim=jpk )
ENDIF
!
IF( ln_timing ) CALL timing_stop( 'dta_dyn_sed')
!
END SUBROUTINE dta_dyn_sed
SUBROUTINE dta_dyn_sed_init( Kmm )
!!----------------------------------------------------------------------
!! *** ROUTINE dta_dyn_init ***
!!
!! ** Purpose : Initialisation of the dynamical data
!! ** Method : - read the data namdta_dyn namelist
!!----------------------------------------------------------------------
INTEGER, INTENT( in ) :: Kmm ! ocean time level index
!
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
!!
CHARACTER(len=100) :: cn_dir ! Root directory for location of core files
TYPE(FLD_N), DIMENSION(2) :: slf_d ! array of namelist informations on the fields to read
TYPE(FLD_N) :: sn_tem , sn_sal ! " "
!!
NAMELIST/namdta_dyn/cn_dir, ln_dynrnf, ln_dynrnf_depth, &
& sn_tem, sn_sal
!!----------------------------------------------------------------------
!
READ ( numnam_ref, namdta_dyn, IOSTAT = ios, ERR = 901)
901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namdta_dyn in reference namelist' )
READ ( numnam_cfg, namdta_dyn, IOSTAT = ios, ERR = 902 )
902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namdta_dyn in configuration namelist' )
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,*) ' 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,*)
ENDIF
!
jf_tem = 1 ; jf_sal = 2 ; jfld = jf_sal
!
slf_d(jf_tem) = sn_tem ; slf_d(jf_sal) = sn_sal
!
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_def( sf_dyn(ifpr) )
CALL iom_open( sf_dyn(ifpr)%clname, sf_dyn(ifpr)%num )
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
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
!
CALL dta_dyn_sed( nit000, Kmm )
!
END SUBROUTINE dta_dyn_sed_init
#endif
!!======================================================================
END MODULE dtadyn