120 lines
5.6 KiB
Fortran
Executable File
120 lines
5.6 KiB
Fortran
Executable File
MODULE usrdef_istate
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!!======================================================================
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!! *** MODULE usrdef_istate ***
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!!
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!! === BENCH configuration ===
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!!
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!! User defined : set the initial state of a user configuration
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!!======================================================================
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!! History : NEMO !
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!!----------------------------------------------------------------------
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!!----------------------------------------------------------------------
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!! usr_def_istate : initial state in Temperature and salinity
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!!----------------------------------------------------------------------
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USE par_oce ! ocean space and time domain
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USE dom_oce
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USE phycst ! physical constants
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!
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USE in_out_manager ! I/O manager
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USE lib_mpp ! MPP library
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USE lbclnk ! lateral boundary conditions - mpp exchanges
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!
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USE usrdef_nam
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IMPLICIT NONE
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PRIVATE
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PUBLIC usr_def_istate ! called by istate.F90
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PUBLIC usr_def_istate_ssh ! called by domqco.F90
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!! * Substitutions
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# include "do_loop_substitute.h90"
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!!----------------------------------------------------------------------
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!! NEMO/OPA 4.0 , NEMO Consortium (2016)
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!! $Id$
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!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
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!!----------------------------------------------------------------------
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CONTAINS
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SUBROUTINE usr_def_istate( pdept, ptmask, pts, pu, pv ) !!st, pssh )
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!!----------------------------------------------------------------------
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!! *** ROUTINE usr_def_istate ***
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!!
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!! ** Purpose : Initialization of the dynamics and tracers
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!! Here BENCH configuration
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!!
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!! ** Method : Set a gaussian anomaly of pressure and associated
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!! geostrophic velocities
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!!----------------------------------------------------------------------
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REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: pdept ! depth of t-point [m]
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REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m]
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REAL(wp), DIMENSION(jpi,jpj,jpk,jpts), INTENT( out) :: pts ! T & S fields [Celsius ; g/kg]
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REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pu ! i-component of the velocity [m/s]
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REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT( out) :: pv ! j-component of the velocity [m/s]
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!
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REAL(wp), DIMENSION(jpi,jpj) :: z2d ! 2D workspace
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REAL(wp) :: zfact
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INTEGER :: ji, jj, jk
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!!----------------------------------------------------------------------
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!
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IF(lwp) WRITE(numout,*)
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IF(lwp) WRITE(numout,*) 'usr_def_istate : BENCH configuration, analytical definition of initial state'
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IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~ '
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!
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! define unique value on each point of the inner global domain. z2d ranging from 0.05 to -0.05
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!
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DO_2D( 0, 0, 0, 0 ) ! +/- 0.05
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z2d(ji,jj) = 0.1 * ( 0.5 - REAL( mig0(ji) + (mjg0(jj)-1) * Ni0glo, wp ) / REAL( Ni0glo * Nj0glo, wp ) )
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END_2D
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!
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DO_3D( 0, 0, 0, 0, 1, jpkm1 )
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zfact = REAL(jk-1,wp) / REAL(jpk-1,wp) ! 0 to 1 to add a basic stratification
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! temperature choosen to lead to ~50% ice at the beginning if rn_thres_sst = 0.5
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pts(ji,jj,jk,jp_tem) = 20._wp*z2d(ji,jj) - 1._wp - 0.5_wp * zfact ! -1 to -1.5 +/- 1.0 degG
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! salinity:
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pts(ji,jj,jk,jp_sal) = 30._wp + 1._wp * zfact + z2d(ji,jj) ! 30 to 31 +/- 0.05 psu
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! velocities:
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pu(ji,jj,jk) = z2d(ji,jj) * 0.1_wp * umask(ji,jj,jk) ! +/- 0.005 m/s
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pv(ji,jj,jk) = z2d(ji,jj) * 0.01_wp * vmask(ji,jj,jk) ! +/- 0.0005 m/s
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END_3D
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pts(:,:,jpk,:) = 0._wp
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pu( :,:,jpk ) = 0._wp
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pv( :,:,jpk ) = 0._wp
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!
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CALL lbc_lnk('usrdef_istate', pts, 'T', 1._wp ) ! apply boundary conditions
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CALL lbc_lnk('usrdef_istate', pu, 'U', -1._wp ) ! apply boundary conditions
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CALL lbc_lnk('usrdef_istate', pv, 'V', -1._wp ) ! apply boundary conditions
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END SUBROUTINE usr_def_istate
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SUBROUTINE usr_def_istate_ssh( ptmask, pssh )
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!!----------------------------------------------------------------------
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!! *** ROUTINE usr_def_istate_ssh ***
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!!
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!! ** Purpose : Initialization of ssh
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!! Here BENCH configuration
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!!
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!! ** Method : Set ssh
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!!----------------------------------------------------------------------
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REAL(wp), DIMENSION(jpi,jpj,jpk) , INTENT(in ) :: ptmask ! t-point ocean mask [m]
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REAL(wp), DIMENSION(jpi,jpj) , INTENT( out) :: pssh ! sea-surface height [m]
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!
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INTEGER :: ji, jj
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!!----------------------------------------------------------------------
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!
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IF(lwp) WRITE(numout,*)
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IF(lwp) WRITE(numout,*) 'usr_def_istate_ssh : BENCH configuration, analytical definition of initial ssh'
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!
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DO_2D( 0, 0, 0, 0 ) ! sea level: +/- 0.05 m
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pssh(ji,jj) = 0.1 * ( 0.5 - REAL( mig0(ji) + (mjg0(jj)-1) * Ni0glo, wp ) / REAL( Ni0glo * Nj0glo, wp ) )
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END_2D
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!
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CALL lbc_lnk('usrdef_istate', pssh, 'T', 1._wp ) ! apply boundary conditions
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!
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END SUBROUTINE usr_def_istate_ssh
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!!======================================================================
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END MODULE usrdef_istate
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