273 lines
13 KiB
Fortran
Executable File
273 lines
13 KiB
Fortran
Executable File
MODULE isf_oce
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!!======================================================================
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!! *** MODULE isf_oce ***
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!! Ice shelves : ice shelves variables defined in memory
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!!======================================================================
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!! History : 3.2 ! 2011-02 (C.Harris ) Original code isf cav
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!! X.X ! 2006-02 (C. Wang ) Original code bg03
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!! 3.4 ! 2013-03 (P. Mathiot) Merging + parametrization
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!! 4.1 ! 2019-09 (P. Mathiot) Split param/explicit ice shelf and re-organisation
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!!----------------------------------------------------------------------
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!!----------------------------------------------------------------------
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!! isf : define and allocate ice shelf variables
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!!----------------------------------------------------------------------
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USE par_oce , ONLY: jpi, jpj, jpk
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USE in_out_manager, ONLY: wp, jpts ! I/O manager
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USE lib_mpp , ONLY: ctl_stop, mpp_sum ! MPP library
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USE fldread ! read input fields
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IMPLICIT NONE
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PRIVATE
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PUBLIC isf_alloc, isf_alloc_par, isf_alloc_cav, isf_alloc_cpl, isf_dealloc_cpl
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!
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!-------------------------------------------------------
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! 0 : namelist parameter
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!-------------------------------------------------------
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!
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! 0.1 -------- ice shelf cavity parameter --------------
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CHARACTER(LEN=256), PUBLIC :: cn_isfdir
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LOGICAL , PUBLIC :: ln_isf
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LOGICAL , PUBLIC :: ln_isfdebug
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!
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! 0.2 -------- ice shelf cavity opened namelist parameter -------------
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LOGICAL , PUBLIC :: ln_isfcav_mlt !: logical for the use of ice shelf parametrisation
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REAL(wp) , PUBLIC :: rn_gammat0 !: temperature exchange coeficient []
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REAL(wp) , PUBLIC :: rn_gammas0 !: salinity exchange coeficient []
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REAL(wp) , PUBLIC :: rn_vtide !: tidal background velocity (can be different to what is used in the
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REAL(wp) , PUBLIC :: rn_htbl !: Losch top boundary layer thickness [m]
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REAL(wp) , PUBLIC :: rn_isfload_T !:
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REAL(wp) , PUBLIC :: rn_isfload_S !:
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CHARACTER(LEN=256), PUBLIC :: cn_gammablk !: gamma formulation
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CHARACTER(LEN=256), PUBLIC :: cn_isfcav_mlt !: melt formulation (cavity/param)
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CHARACTER(LEN=256), PUBLIC :: cn_isfload !: ice shelf load computation method
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TYPE(FLD_N) , PUBLIC :: sn_isfcav_fwf !: information about the isf melting file to be read
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!
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! 0.3 -------- ice shelf cavity parametrised namelist parameter -------------
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LOGICAL , PUBLIC :: ln_isfpar_mlt !: logical for the computation of melt inside the cavity
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REAL(wp) , PUBLIC :: rn_isfpar_bg03_gt0 !: temperature exchange coeficient [m/s]
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CHARACTER(LEN=256), PUBLIC :: cn_isfpar_mlt !: melt formulation (cavity/param)
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TYPE(FLD_N) , PUBLIC :: sn_isfpar_fwf !: information about the isf melting file to be read
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TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmax !: information about the grounding line depth file to be read
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TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmin !: information about the calving line depth file to be read
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TYPE(FLD_N) , PUBLIC :: sn_isfpar_Leff !: information about the effective length file to be read
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!
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! 0.4 -------- coupling namelist parameter -------------
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LOGICAL, PUBLIC :: ln_isfcpl !:
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LOGICAL, PUBLIC :: ln_isfcpl_cons !:
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INTEGER, PUBLIC :: nn_drown !:
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!
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!-------------------------------------------------------
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! 1 : ice shelf parameter
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!-------------------------------------------------------
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!
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REAL(wp), PARAMETER, PUBLIC :: rLfusisf = 0.334e6_wp !: latent heat of fusion of ice shelf [J/kg]
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REAL(wp), PARAMETER, PUBLIC :: rcpisf = 2000.0_wp !: specific heat of ice shelf [J/kg/K]
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REAL(wp), PARAMETER, PUBLIC :: rkappa = 0.0_wp !: ISOMIP+ no heat diffusivity through the ice-shelf [m2/s]
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REAL(wp), PARAMETER, PUBLIC :: rhoisf = 920.0_wp !: volumic mass of ice shelf [kg/m3]
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REAL(wp), PARAMETER, PUBLIC :: rtsurf = -20.0 !: surface temperature [C]
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!
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!-------------------------------------------------------
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! 2 : ice shelf global variables
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!-------------------------------------------------------
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!
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! 2.1 -------- ice shelf cavity parameter --------------
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LOGICAL , PUBLIC :: l_isfoasis = .FALSE.
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REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfload !: ice shelf load
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REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_oasis
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!
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! 2.2 -------- ice shelf cavity melt namelist parameter -------------
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INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_cav !:
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INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_cav , misfkb_cav !:
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_cav, rfrac_tbl_cav !:
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_cav , fwfisf_cav_b !: before and now net fwf from the ice shelf [kg/m2/s]
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risf_cav_tsc , risf_cav_tsc_b !: before and now T & S isf contents [K.m/s & PSU.m/s]
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TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfcav_fwf !:
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!
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REAL(wp) , PUBLIC :: risf_lamb1, risf_lamb2, risf_lamb3 ! freezing point linearization coeficient
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!
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! 2.3 -------- ice shelf param. melt namelist parameter -------------
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INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_par !:
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INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_par , misfkb_par !:
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_par, rfrac_tbl_par !:
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_par , fwfisf_par_b !: before and now net fwf from the ice shelf [kg/m2/s]
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risf_par_tsc , risf_par_tsc_b !: before and now T & S isf contents [K.m/s & PSU.m/s]
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TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfpar_fwf !:
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!
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf0_tbl_par !: thickness of tbl (initial value) [m]
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REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfLeff !:
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!
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! 2.4 -------- coupling namelist parameter -------------
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INTEGER , PUBLIC :: nstp_iscpl !:
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REAL(wp), PUBLIC :: rdt_iscpl !:
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REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfcpl_ssh, risfcpl_cons_ssh, risfcpl_cons_ssh_b !:
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REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risfcpl_vol, risfcpl_cons_vol, risfcpl_cons_vol_b !:
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REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: risfcpl_tsc, risfcpl_cons_tsc, risfcpl_cons_tsc_b !:
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!
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!!----------------------------------------------------------------------
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!! NEMO/OCE 4.0 , NEMO Consortium (2018)
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!! $Id: sbcisf.F90 10536 2019-01-16 19:21:09Z mathiot $
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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 isf_alloc_par()
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!!---------------------------------------------------------------------
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!! *** ROUTINE isf_alloc_par ***
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!!
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!! ** Purpose :
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!!
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!! ** Method :
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!!
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!!----------------------------------------------------------------------
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INTEGER :: ierr, ialloc
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!!----------------------------------------------------------------------
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ierr = 0 ! set to zero if no array to be allocated
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!
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ALLOCATE(risfLeff(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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ALLOCATE(misfkt_par(jpi,jpj), misfkb_par(jpi,jpj), STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( rfrac_tbl_par(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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ALLOCATE( rhisf_tbl_par(jpi,jpj), rhisf0_tbl_par(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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ALLOCATE( mskisf_par(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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CALL mpp_sum ( 'isf', ierr )
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IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
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!
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END SUBROUTINE isf_alloc_par
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SUBROUTINE isf_alloc_cav()
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!!---------------------------------------------------------------------
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!! *** ROUTINE isf_alloc_cav ***
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!!
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!! ** Purpose :
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!!
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!! ** Method :
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!!
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!!----------------------------------------------------------------------
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INTEGER :: ierr, ialloc
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!!----------------------------------------------------------------------
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ierr = 0 ! set to zero if no array to be allocated
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!
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ALLOCATE(misfkt_cav(jpi,jpj), misfkb_cav(jpi,jpj), STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( rfrac_tbl_cav(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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ALLOCATE( rhisf_tbl_cav(jpi,jpj), STAT=ialloc)
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ierr = ierr + ialloc
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!
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CALL mpp_sum ( 'isf', ierr )
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IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
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!
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END SUBROUTINE isf_alloc_cav
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SUBROUTINE isf_alloc_cpl()
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!!---------------------------------------------------------------------
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!! *** ROUTINE isf_alloc_cpl ***
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!!
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!! ** Purpose : allocate array use for the ice sheet coupling
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!!
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!!----------------------------------------------------------------------
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INTEGER :: ierr, ialloc
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!!----------------------------------------------------------------------
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ierr = 0
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!
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ALLOCATE( risfcpl_ssh(jpi,jpj) , risfcpl_tsc(jpi,jpj,jpk,jpts) , risfcpl_vol(jpi,jpj,jpk) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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risfcpl_tsc(:,:,:,:) = 0._wp ; risfcpl_vol(:,:,:) = 0._wp ; risfcpl_ssh(:,:) = 0._wp
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IF ( ln_isfcpl_cons ) THEN
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ALLOCATE( risfcpl_cons_tsc(jpi,jpj,jpk,jpts) , risfcpl_cons_vol(jpi,jpj,jpk) , risfcpl_cons_ssh(jpi,jpj) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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risfcpl_cons_tsc(:,:,:,:) = 0._wp ; risfcpl_cons_vol(:,:,:) = 0._wp ; risfcpl_cons_ssh(:,:) = 0._wp
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!
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END IF
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!
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CALL mpp_sum ( 'isf', ierr )
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IF( ierr /= 0 ) CALL ctl_stop('STOP','isfcpl: failed to allocate arrays.')
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!
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END SUBROUTINE isf_alloc_cpl
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SUBROUTINE isf_dealloc_cpl()
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!!---------------------------------------------------------------------
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!! *** ROUTINE isf_dealloc_cpl ***
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!!
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!! ** Purpose : de-allocate useless public 3d array used for ice sheet coupling
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!!
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!!----------------------------------------------------------------------
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INTEGER :: ierr, ialloc
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!!----------------------------------------------------------------------
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ierr = 0
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!
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DEALLOCATE( risfcpl_ssh , risfcpl_tsc , risfcpl_vol , STAT=ialloc )
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ierr = ierr + ialloc
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!
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CALL mpp_sum ( 'isf', ierr )
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IF( ierr /= 0 ) CALL ctl_stop('STOP','isfcpl: failed to deallocate arrays.')
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!
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END SUBROUTINE isf_dealloc_cpl
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SUBROUTINE isf_alloc()
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!!---------------------------------------------------------------------
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!! *** ROUTINE isf_alloc ***
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!!
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!! ** Purpose : allocate array used for the ice shelf cavity (cav and par)
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!!
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!!----------------------------------------------------------------------
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INTEGER :: ierr, ialloc
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!!----------------------------------------------------------------------
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!
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ierr = 0 ! set to zero if no array to be allocated
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!
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ALLOCATE( fwfisf_par (jpi,jpj) , fwfisf_par_b(jpi,jpj) , &
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& fwfisf_cav (jpi,jpj) , fwfisf_cav_b(jpi,jpj) , &
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& fwfisf_oasis(jpi,jpj) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( risf_par_tsc(jpi,jpj,jpts) , risf_par_tsc_b(jpi,jpj,jpts) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( risf_cav_tsc(jpi,jpj,jpts) , risf_cav_tsc_b(jpi,jpj,jpts) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( risfload(jpi,jpj) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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ALLOCATE( mskisf_cav(jpi,jpj) , STAT=ialloc )
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ierr = ierr + ialloc
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!
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CALL mpp_sum ( 'isf', ierr )
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IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
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!
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! initalisation of fwf and tsc array to 0
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risfload (:,:) = 0._wp
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fwfisf_oasis(:,:) = 0._wp
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fwfisf_par (:,:) = 0._wp ; fwfisf_par_b (:,:) = 0._wp
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fwfisf_cav (:,:) = 0._wp ; fwfisf_cav_b (:,:) = 0._wp
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risf_cav_tsc(:,:,:) = 0._wp ; risf_cav_tsc_b(:,:,:) = 0._wp
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risf_par_tsc(:,:,:) = 0._wp ; risf_par_tsc_b(:,:,:) = 0._wp
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!
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END SUBROUTINE isf_alloc
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!!======================================================================
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END MODULE isf_oce
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