103 lines
4.9 KiB
Fortran
Executable File
103 lines
4.9 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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!! === LOCK_EXCHANGE 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 ! 2016-03 (S. Flavoni, G. Madec) Original code
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!! ! 2020-11 (S. Techene, G. Madec) separate tsuv from ssh
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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 , ONLY : glamt
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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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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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!!----------------------------------------------------------------------
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!! NEMO/OCE 4.0 , NEMO Consortium (2018)
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!! $Id: usrdef_istate.F90 14053 2020-12-03 13:48:38Z techene $
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!! Software governed by the CeCILL license (see ./LICENSE)
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!!----------------------------------------------------------------------
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CONTAINS
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SUBROUTINE usr_def_istate( pdept, ptmask, pts, pu, pv )
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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 LOCK_EXCHANGE configuration
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!!
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!! ** Method : - set temprature field
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!! - set salinity field
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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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INTEGER :: jk ! dummy loop indices
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REAL(wp) :: zdam ! location of dam [Km]
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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 : LOCK_EXCHANGE configuration, analytical definition of initial state'
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IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~~~ Ocean at rest, with a constant salinity (not used as rho=F(T) '
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IF(lwp) WRITE(numout,*) ' and a vertical density front with a 5 kg/m3 difference located at glam=32km'
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IF(lwp) WRITE(numout,*) ' (i.e. a temperature difference of 25 degrees with rn_a0 = 0.2'
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!
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! rn_a0 = 0.2 ! thermal expension coefficient (nn_eos= 1)
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! rho = rho0 - rn_a0 * (T-10)
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! delta_T = 25 degrees ==>> delta_rho = 25 * rn_a0 = 5 kg/m3
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!
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pu (:,:,:) = 0._wp ! ocean at rest
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pv (:,:,:) = 0._wp
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!
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! ! T & S profiles
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zdam = 32. ! density front position in kilometers
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pts(:,:,:,jp_tem) = 30._wp * ptmask(:,:,:)
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DO jk = 1, jpkm1
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WHERE( glamt(:,:) <= zdam ) pts(:,:,jk,jp_tem) = 5._wp * ptmask(:,:,jk)
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END DO
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!
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pts(:,:,:,jp_sal) = 35._wp * ptmask(:,:,:)
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!
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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 LOCK_EXCHANGE configuration
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!!
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!! ** Method : set ssh to 0
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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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!
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IF(lwp) WRITE(numout,*)
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IF(lwp) WRITE(numout,*) 'usr_def_istate_ssh : LOCK_EXCHANGE configuration, analytical definition of initial state'
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!
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pssh(:,:) = 0._wp
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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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