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MODULE isf_oce
!!======================================================================
!! *** MODULE isf_oce ***
!! Ice shelves : ice shelves variables defined in memory
!!======================================================================
!! History : 3.2 ! 2011-02 (C.Harris ) Original code isf cav
!! X.X ! 2006-02 (C. Wang ) Original code bg03
!! 3.4 ! 2013-03 (P. Mathiot) Merging + parametrization
!! 4.1 ! 2019-09 (P. Mathiot) Split param/explicit ice shelf and re-organisation
!!----------------------------------------------------------------------
!!----------------------------------------------------------------------
!! isf : define and allocate ice shelf variables
!!----------------------------------------------------------------------
USE par_oce , ONLY: jpi, jpj, jpk
USE in_out_manager, ONLY: wp, jpts ! I/O manager
USE lib_mpp , ONLY: ctl_stop, mpp_sum ! MPP library
USE fldread ! read input fields
IMPLICIT NONE
PRIVATE
PUBLIC isf_alloc, isf_alloc_par, isf_alloc_cav, isf_alloc_cpl, isf_dealloc_cpl
!
!-------------------------------------------------------
! 0 : namelist parameter
!-------------------------------------------------------
!
! 0.1 -------- ice shelf cavity parameter --------------
CHARACTER(LEN=256), PUBLIC :: cn_isfdir
LOGICAL , PUBLIC :: ln_isf
LOGICAL , PUBLIC :: ln_isfdebug
!
! 0.2 -------- ice shelf cavity opened namelist parameter -------------
LOGICAL , PUBLIC :: ln_isfcav_mlt !: logical for the use of ice shelf parametrisation
REAL(wp) , PUBLIC :: rn_gammat0 !: temperature exchange coeficient []
REAL(wp) , PUBLIC :: rn_gammas0 !: salinity exchange coeficient []
REAL(wp) , PUBLIC :: rn_htbl !: Losch top boundary layer thickness [m]
REAL(wp) , PUBLIC :: rn_isfload_T !:
REAL(wp) , PUBLIC :: rn_isfload_S !:
CHARACTER(LEN=256), PUBLIC :: cn_gammablk !: gamma formulation
CHARACTER(LEN=256), PUBLIC :: cn_isfcav_mlt !: melt formulation (cavity/param)
CHARACTER(LEN=256), PUBLIC :: cn_isfload !: ice shelf load computation method
TYPE(FLD_N) , PUBLIC :: sn_isfcav_fwf !: information about the isf melting file to be read
!
! 0.3 -------- ice shelf cavity parametrised namelist parameter -------------
LOGICAL , PUBLIC :: ln_isfpar_mlt !: logical for the computation of melt inside the cavity
REAL(wp) , PUBLIC :: rn_isfpar_bg03_gt0 !: temperature exchange coeficient [m/s]
CHARACTER(LEN=256), PUBLIC :: cn_isfpar_mlt !: melt formulation (cavity/param)
TYPE(FLD_N) , PUBLIC :: sn_isfpar_fwf !: information about the isf melting file to be read
TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmax !: information about the grounding line depth file to be read
TYPE(FLD_N) , PUBLIC :: sn_isfpar_zmin !: information about the calving line depth file to be read
TYPE(FLD_N) , PUBLIC :: sn_isfpar_Leff !: information about the effective length file to be read
!
! 0.4 -------- coupling namelist parameter -------------
LOGICAL, PUBLIC :: ln_isfcpl !:
LOGICAL, PUBLIC :: ln_isfcpl_cons !:
INTEGER, PUBLIC :: nn_drown !:
!
!-------------------------------------------------------
! 1 : ice shelf parameter
!-------------------------------------------------------
!
REAL(wp), PARAMETER, PUBLIC :: rLfusisf = 0.334e6_wp !: latent heat of fusion of ice shelf [J/kg]
REAL(wp), PARAMETER, PUBLIC :: rcpisf = 2000.0_wp !: specific heat of ice shelf [J/kg/K]
REAL(wp), PARAMETER, PUBLIC :: rkappa = 1.54e-6_wp !: heat diffusivity through the ice-shelf [m2/s]
REAL(wp), PARAMETER, PUBLIC :: rhoisf = 920.0_wp !: volumic mass of ice shelf [kg/m3]
REAL(wp), PARAMETER, PUBLIC :: rtsurf = -20.0 !: surface temperature [C]
!
!-------------------------------------------------------
! 2 : ice shelf global variables
!-------------------------------------------------------
!
! 2.1 -------- ice shelf cavity parameter --------------
LOGICAL , PUBLIC :: l_isfoasis = .FALSE.
REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfload !: ice shelf load
REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_oasis
!
! 2.2 -------- ice shelf cavity melt namelist parameter -------------
INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_cav !:
INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_cav , misfkb_cav !: shallowest and deepest level of the ice shelf
REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_cav, rfrac_tbl_cav !: thickness and fraction of deepest cell affected by the ice shelf
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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]
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]
TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfcav_fwf !:
!
REAL(wp) , PUBLIC :: risf_lamb1, risf_lamb2, risf_lamb3 ! freezing point linearization coeficient
!
! 2.3 -------- ice shelf param. melt namelist parameter -------------
INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: mskisf_par !:
INTEGER , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: misfkt_par , misfkb_par !:
REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf_tbl_par, rfrac_tbl_par !:
REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fwfisf_par , fwfisf_par_b !: before and now net fwf from the ice shelf [kg/m2/s]
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]
TYPE(FLD), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sf_isfpar_fwf !:
!
REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rhisf0_tbl_par !: thickness of tbl (initial value) [m]
REAL(wp) , PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfLeff !:
!
! 2.4 -------- coupling namelist parameter -------------
INTEGER , PUBLIC :: nstp_iscpl !:
REAL(wp), PUBLIC :: rdt_iscpl !:
REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: risfcpl_ssh, risfcpl_cons_ssh, risfcpl_cons_ssh_b !:
REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: risfcpl_vol, risfcpl_cons_vol, risfcpl_cons_vol_b !:
REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: risfcpl_tsc, risfcpl_cons_tsc, risfcpl_cons_tsc_b !:
!
!!----------------------------------------------------------------------
!! NEMO/OCE 4.0 , NEMO Consortium (2018)
!! $Id: sbcisf.F90 10536 2019-01-16 19:21:09Z mathiot $
!! Software governed by the CeCILL license (see ./LICENSE)
!!----------------------------------------------------------------------
CONTAINS
SUBROUTINE isf_alloc_par()
!!---------------------------------------------------------------------
!! *** ROUTINE isf_alloc_par ***
!!
!! ** Purpose :
!!
!! ** Method :
!!
!!----------------------------------------------------------------------
INTEGER :: ierr, ialloc
!!----------------------------------------------------------------------
ierr = 0 ! set to zero if no array to be allocated
!
ALLOCATE(risfLeff(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
ALLOCATE(misfkt_par(jpi,jpj), misfkb_par(jpi,jpj), STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( rfrac_tbl_par(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
ALLOCATE( rhisf_tbl_par(jpi,jpj), rhisf0_tbl_par(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
ALLOCATE( mskisf_par(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
CALL mpp_sum ( 'isf', ierr )
IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
!
END SUBROUTINE isf_alloc_par
SUBROUTINE isf_alloc_cav()
!!---------------------------------------------------------------------
!! *** ROUTINE isf_alloc_cav ***
!!
!! ** Purpose :
!!
!! ** Method :
!!
!!----------------------------------------------------------------------
INTEGER :: ierr, ialloc
!!----------------------------------------------------------------------
ierr = 0 ! set to zero if no array to be allocated
!
ALLOCATE(misfkt_cav(jpi,jpj), misfkb_cav(jpi,jpj), STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( rfrac_tbl_cav(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
ALLOCATE( rhisf_tbl_cav(jpi,jpj), STAT=ialloc)
ierr = ierr + ialloc
!
CALL mpp_sum ( 'isf', ierr )
IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
!
END SUBROUTINE isf_alloc_cav
SUBROUTINE isf_alloc_cpl()
!!---------------------------------------------------------------------
!! *** ROUTINE isf_alloc_cpl ***
!!
!! ** Purpose : allocate array use for the ice sheet coupling
!!
!!----------------------------------------------------------------------
INTEGER :: ierr, ialloc
!!----------------------------------------------------------------------
ierr = 0
!
ALLOCATE( risfcpl_ssh(jpi,jpj) , risfcpl_tsc(jpi,jpj,jpk,jpts) , risfcpl_vol(jpi,jpj,jpk) , STAT=ialloc )
ierr = ierr + ialloc
!
risfcpl_tsc(:,:,:,:) = 0._wp ; risfcpl_vol(:,:,:) = 0._wp ; risfcpl_ssh(:,:) = 0._wp
IF ( ln_isfcpl_cons ) THEN
ALLOCATE( risfcpl_cons_tsc(jpi,jpj,jpk,jpts) , risfcpl_cons_vol(jpi,jpj,jpk) , risfcpl_cons_ssh(jpi,jpj) , STAT=ialloc )
ierr = ierr + ialloc
!
risfcpl_cons_tsc(:,:,:,:) = 0._wp ; risfcpl_cons_vol(:,:,:) = 0._wp ; risfcpl_cons_ssh(:,:) = 0._wp
!
END IF
!
CALL mpp_sum ( 'isf', ierr )
IF( ierr /= 0 ) CALL ctl_stop('STOP','isfcpl: failed to allocate arrays.')
!
END SUBROUTINE isf_alloc_cpl
SUBROUTINE isf_dealloc_cpl()
!!---------------------------------------------------------------------
!! *** ROUTINE isf_dealloc_cpl ***
!!
!! ** Purpose : de-allocate useless public 3d array used for ice sheet coupling
!!
!!----------------------------------------------------------------------
INTEGER :: ierr, ialloc
!!----------------------------------------------------------------------
ierr = 0
!
DEALLOCATE( risfcpl_ssh , risfcpl_tsc , risfcpl_vol , STAT=ialloc )
ierr = ierr + ialloc
!
CALL mpp_sum ( 'isf', ierr )
IF( ierr /= 0 ) CALL ctl_stop('STOP','isfcpl: failed to deallocate arrays.')
!
END SUBROUTINE isf_dealloc_cpl
SUBROUTINE isf_alloc()
!!---------------------------------------------------------------------
!! *** ROUTINE isf_alloc ***
!!
!! ** Purpose : allocate array used for the ice shelf cavity (cav and par)
!!
!!----------------------------------------------------------------------
INTEGER :: ierr, ialloc
!!----------------------------------------------------------------------
!
ierr = 0 ! set to zero if no array to be allocated
!
ALLOCATE( fwfisf_par (jpi,jpj) , fwfisf_cav (jpi,jpj) , &
& fwfisf_oasis(jpi,jpj) , STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( risf_par_tsc(jpi,jpj,jpts) , STAT=ialloc )
ALLOCATE( risf_cav_tsc(jpi,jpj,jpts) , STAT=ialloc )
#if ! defined key_RK3
! MLF : need to allocate before arrays
ALLOCATE( fwfisf_par_b(jpi,jpj) , fwfisf_cav_b(jpi,jpj) , STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( risf_par_tsc_b(jpi,jpj,jpts) , STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( risf_cav_tsc_b(jpi,jpj,jpts) , STAT=ialloc )
ierr = ierr + ialloc
#endif
!
ALLOCATE( risfload(jpi,jpj) , STAT=ialloc )
ierr = ierr + ialloc
!
ALLOCATE( mskisf_cav(jpi,jpj) , STAT=ialloc )
ierr = ierr + ialloc
!
CALL mpp_sum ( 'isf', ierr )
IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'isf: failed to allocate arrays.' )
!
! initalisation of fwf and tsc array to 0
risfload (:,:) = 0._wp
fwfisf_oasis(:,:) = 0._wp
#if defined key_RK3
fwfisf_par (:,:) = 0._wp
fwfisf_cav (:,:) = 0._wp
risf_cav_tsc(:,:,:) = 0._wp
risf_par_tsc(:,:,:) = 0._wp
#else
fwfisf_par (:,:) = 0._wp ; fwfisf_par_b (:,:) = 0._wp
fwfisf_cav (:,:) = 0._wp ; fwfisf_cav_b (:,:) = 0._wp
risf_cav_tsc(:,:,:) = 0._wp ; risf_cav_tsc_b(:,:,:) = 0._wp
risf_par_tsc(:,:,:) = 0._wp ; risf_par_tsc_b(:,:,:) = 0._wp
!
END SUBROUTINE isf_alloc
!!======================================================================
END MODULE isf_oce