MODULE iceini_2 !!====================================================================== !! *** MODULE iceini *** !! Sea-ice model : LIM 2.0 Sea ice model Initialization !!====================================================================== !! History : 1.0 ! 2002-08 (G. Madec) F90: Free form and modules !! 2.0 ! 2003-08 (C. Ethe) add ice_run !! 3.3 ! 2009-05 (G. Garric, C. Bricaud) addition of the lim2_evp case !! 4.0 ! 2011-02 (G. Madec) dynamical allocation !!---------------------------------------------------------------------- #if defined key_lim2 !!---------------------------------------------------------------------- !! 'key_lim2' : LIM 2.0 sea-ice model !!---------------------------------------------------------------------- !! ice_init_2 : sea-ice model initialization !! ice_run_2 : Definition some run parameter for ice model !!---------------------------------------------------------------------- USE phycst ! physical constants USE dom_oce ! ocean domain USE sbc_oce ! surface boundary condition: ocean USE sbc_ice ! LIM2 surface boundary condition USE dom_ice_2 ! LIM2 ice domain USE par_ice_2 ! LIM2 parameters USE thd_ice_2 ! LIM2 thermodynamical variables USE ice_2 ! LIM2 ice variable USE limmsh_2 ! LIM2 mesh USE limistate_2 ! LIM2 initial state USE limrst_2 ! LIM2 restart USE limsbc_2 ! LIM2 surface boundary condition USE limdia_2 USE in_out_manager ! I/O manager USE lib_mpp ! MPP library USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) IMPLICIT NONE PRIVATE PUBLIC ice_init_2 ! called by sbcice_lim_2.F90 !!---------------------------------------------------------------------- !! NEMO/LIM2 4.0 , UCL - NEMO Consortium (2011) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE ice_init_2 !!---------------------------------------------------------------------- !! *** ROUTINE ice_init_2 *** !! !! ** purpose : initialisation of LIM-2 domain and variables !!---------------------------------------------------------------------- INTEGER :: ierr !!---------------------------------------------------------------------- ! IF(lwp) THEN WRITE(numout,*) WRITE(numout,*) 'ice_init_2 : LIM-2 sea-ice - initialization' WRITE(numout,*) '~~~~~~~~~~~ ' ENDIF ! ! ! Allocate the ice arrays ierr = ice_alloc_2 () ! ice variables ierr = ierr + dom_ice_alloc_2() ! domain ierr = ierr + sbc_ice_alloc () ! surface forcing ierr = ierr + thd_ice_alloc_2() ! thermodynamics IF( lk_mpp ) CALL mpp_sum( ierr ) IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'ice_init_2 : unable to allocate ice arrays' ) ! ! adequation jpk versus ice/snow layers IF( jpl > jpk .OR. jplayersp1 > jpk ) CALL ctl_stop( 'STOP', & & 'ice_init: the 3rd dimension of workspace arrays is too small.', & & 'use more ocean levels or less ice layers/categories.' ) ! ! Open the reference and configuration namelist files and namelist output file CALL ctl_opn( numnam_ice_ref, 'namelist_ice_ref', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) CALL ctl_opn( numnam_ice_cfg, 'namelist_ice_cfg', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp ) IF(lwm) CALL ctl_opn( numoni, 'output.namelist.ice', 'UNKNOWN', 'FORMATTED', 'SEQUENTIAL', -1, numout, lwp, 1 ) ! ! Open the namelist file ! CALL ice_run_2 ! read in namelist some run parameters ! rdt_ice = nn_fsbc * rdttra(1) ! sea-ice time step numit = nit000 - 1 ! CALL lim_msh_2 ! ice mesh initialization ! ! ! Initial sea-ice state IF( .NOT.ln_rstart ) THEN ; CALL lim_istate_2 ! start from rest: sea-ice deduced from sst ELSE ; CALL lim_rst_read_2 ! start from a restart file ENDIF ! IF( .NOT.lk_mpp ) CALL lim_dia_init_2 ! online diagnostics in mono proc only ! tn_ice(:,:,1) = sist(:,:) ! ice temperature known by the ocean fr_i (:,:) = 1.0 - frld(:,:) ! sea-ice fraction known by the ocean ! CALL lim_sbc_init_2 ! ice surface boundary condition ! IF( lk_lim2_vp ) THEN ; IF(lwp) WRITE(numout,*) ' VP rheology - B-grid case' ELSE ; IF(lwp) WRITE(numout,*) ' EVP rheology - C-grid case' ENDIF ! END SUBROUTINE ice_init_2 SUBROUTINE ice_run_2 !!------------------------------------------------------------------- !! *** ROUTINE ice_run_2 *** !! !! ** Purpose : Definition some run parameter for ice model !! !! ** Method : Read the namicerun namelist and check the parameter !! values called at the first timestep (nit000) !! !! ** input : Namelist namicerun !!------------------------------------------------------------------- NAMELIST/namicerun/ cn_icerst_in, cn_icerst_indir, cn_icerst_out, cn_icerst_outdir, & ln_limdyn, ln_limdmp, acrit, hsndif, hicdif INTEGER :: ios ! Local integer output status for namelist read !!------------------------------------------------------------------- ! REWIND( numnam_ice_ref ) ! Namelist namicerun in reference namelist : Parameters for ice READ ( numnam_ice_ref, namicerun, IOSTAT = ios, ERR = 901) 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namicerun in reference namelist', lwp ) REWIND( numnam_ice_cfg ) ! Namelist namicerun in configuration namelist : Parameters for ice READ ( numnam_ice_cfg, namicerun, IOSTAT = ios, ERR = 902 ) 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namicerun in configuration namelist', lwp ) IF(lwm) WRITE ( numoni, namicerun ) ! IF(lwp) THEN ! control print WRITE(numout,*) WRITE(numout,*) 'ice_run : ice share parameters for dynamics/advection/thermo of sea-ice' WRITE(numout,*) ' ~~~~~~' WRITE(numout,*) ' switch for ice dynamics (1) or not (0) ln_limdyn = ', ln_limdyn WRITE(numout,*) ' Ice damping ln_limdmp = ', ln_limdmp WRITE(numout,*) ' minimum fraction for leads in the NH (SH) acrit(1/2) = ', acrit(:) WRITE(numout,*) ' computation of temp. in snow (=0) or not (=9999) hsndif = ', hsndif WRITE(numout,*) ' computation of temp. in ice (=0) or not (=9999) hicdif = ', hicdif ENDIF ! END SUBROUTINE ice_run_2 #else !!---------------------------------------------------------------------- !! Default option : Empty module NO LIM 2.0 sea-ice model !!---------------------------------------------------------------------- CONTAINS SUBROUTINE ice_init_2 ! Empty routine END SUBROUTINE ice_init_2 #endif !!====================================================================== END MODULE iceini_2