MODULE limupdate1 !!====================================================================== !! *** MODULE limupdate1 *** !! LIM-3 : Update of sea-ice global variables at the end of the time step !!====================================================================== !! History : 3.0 ! 2006-04 (M. Vancoppenolle) Original code !! 3.5 ! 2014-06 (C. Rousset) Complete rewriting/cleaning !!---------------------------------------------------------------------- #if defined key_lim3 !!---------------------------------------------------------------------- !! 'key_lim3' LIM3 sea-ice model !!---------------------------------------------------------------------- !! lim_update1 : computes update of sea-ice global variables from trend terms !!---------------------------------------------------------------------- USE sbc_oce ! Surface boundary condition: ocean fields USE sbc_ice ! Surface boundary condition: ice fields USE dom_ice USE dom_oce USE phycst ! physical constants USE ice USE thd_ice ! LIM thermodynamic sea-ice variables USE limitd_th USE limvar USE prtctl ! Print control USE wrk_nemo ! work arrays USE timing ! Timing USE limcons ! conservation tests USE lib_mpp ! MPP library USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) USE in_out_manager ! I/O manager IMPLICIT NONE PRIVATE PUBLIC lim_update1 !! * Substitutions # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_update1( kt ) !!------------------------------------------------------------------- !! *** ROUTINE lim_update1 *** !! !! ** Purpose : Computes update of sea-ice global variables at !! the end of the dynamics. !! !!--------------------------------------------------------------------- INTEGER, INTENT(in) :: kt ! number of iteration INTEGER :: ji, jj, jk, jl ! dummy loop indices REAL(wp) :: zsal REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b !!------------------------------------------------------------------- IF( nn_timing == 1 ) CALL timing_start('limupdate1') IF( ln_limdyn ) THEN IF( kt == nit000 .AND. lwp ) THEN WRITE(numout,*) ' lim_update1 ' WRITE(numout,*) ' ~~~~~~~~~~~ ' ENDIF ! conservation test IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limupdate1', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) !---------------------------------------------------- ! ice concentration should not exceed amax !----------------------------------------------------- at_i(:,:) = 0._wp DO jl = 1, jpl at_i(:,:) = a_i(:,:,jl) + at_i(:,:) END DO DO jl = 1, jpl DO jj = 1, jpj DO ji = 1, jpi IF( at_i(ji,jj) > rn_amax .AND. a_i(ji,jj,jl) > 0._wp ) THEN a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) ) oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) ) ENDIF END DO END DO END DO !--------------------- ! Ice salinity bounds !--------------------- IF ( nn_icesal == 2 ) THEN DO jl = 1, jpl DO jj = 1, jpj DO ji = 1, jpi zsal = smv_i(ji,jj,jl) ! salinity stays in bounds rswitch = 1._wp - MAX( 0._wp, SIGN( 1._wp, - v_i(ji,jj,jl) ) ) smv_i(ji,jj,jl) = rswitch * MAX( MIN( rn_simax * v_i(ji,jj,jl), smv_i(ji,jj,jl) ), rn_simin * v_i(ji,jj,jl) ) ! associated salt flux sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsal ) * rhoic * r1_rdtice END DO END DO END DO ENDIF !---------------------------------------------------- ! Rebin categories with thickness out of bounds !---------------------------------------------------- IF ( jpl > 1 ) CALL lim_itd_th_reb(1, jpl) !----------------- ! zap small values !----------------- CALL lim_var_zapsmall ! ------------------------------------------------- ! Diagnostics ! ------------------------------------------------- DO jl = 1, jpl afx_dyn(:,:) = afx_dyn(:,:) + ( a_i(:,:,jl) - a_i_b(:,:,jl) ) * r1_rdtice END DO DO jj = 1, jpj DO ji = 1, jpi ! heat content variation (W.m-2) diag_heat(ji,jj) = - ( SUM( e_i(ji,jj,1:nlay_i,:) - e_i_b(ji,jj,1:nlay_i,:) ) + & & SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) & & ) * r1_rdtice ! salt, volume diag_smvi(ji,jj) = SUM( smv_i(ji,jj,:) - smv_i_b(ji,jj,:) ) * rhoic * r1_rdtice diag_vice(ji,jj) = SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoic * r1_rdtice diag_vsnw(ji,jj) = SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhosn * r1_rdtice END DO END DO ! conservation test IF( ln_limdiahsb ) CALL lim_cons_hsm(1, 'limupdate1', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) ! ------------------------------------------------- ! control prints ! ------------------------------------------------- IF(ln_ctl) THEN ! Control print CALL prt_ctl_info(' ') CALL prt_ctl_info(' - Cell values : ') CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') CALL prt_ctl(tab2d_1=e12t , clinfo1=' lim_update1 : cell area :') CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_update1 : at_i :') CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_update1 : vt_i :') CALL prt_ctl(tab2d_1=vt_s , clinfo1=' lim_update1 : vt_s :') CALL prt_ctl(tab2d_1=strength , clinfo1=' lim_update1 : strength :') CALL prt_ctl(tab2d_1=u_ice , clinfo1=' lim_update1 : u_ice :', tab2d_2=v_ice , clinfo2=' v_ice :') CALL prt_ctl(tab2d_1=u_ice_b , clinfo1=' lim_update1 : u_ice_b :', tab2d_2=v_ice_b , clinfo2=' v_ice_b :') DO jl = 1, jpl CALL prt_ctl_info(' ') CALL prt_ctl_info(' - Category : ', ivar1=jl) CALL prt_ctl_info(' ~~~~~~~~~~') CALL prt_ctl(tab2d_1=ht_i (:,:,jl) , clinfo1= ' lim_update1 : ht_i : ') CALL prt_ctl(tab2d_1=ht_s (:,:,jl) , clinfo1= ' lim_update1 : ht_s : ') CALL prt_ctl(tab2d_1=t_su (:,:,jl) , clinfo1= ' lim_update1 : t_su : ') CALL prt_ctl(tab2d_1=t_s (:,:,1,jl) , clinfo1= ' lim_update1 : t_snow : ') CALL prt_ctl(tab2d_1=sm_i (:,:,jl) , clinfo1= ' lim_update1 : sm_i : ') CALL prt_ctl(tab2d_1=o_i (:,:,jl) , clinfo1= ' lim_update1 : o_i : ') CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_update1 : a_i : ') CALL prt_ctl(tab2d_1=a_i_b (:,:,jl) , clinfo1= ' lim_update1 : a_i_b : ') CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_update1 : v_i : ') CALL prt_ctl(tab2d_1=v_i_b (:,:,jl) , clinfo1= ' lim_update1 : v_i_b : ') CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_update1 : v_s : ') CALL prt_ctl(tab2d_1=v_s_b (:,:,jl) , clinfo1= ' lim_update1 : v_s_b : ') CALL prt_ctl(tab2d_1=e_i (:,:,1,jl) , clinfo1= ' lim_update1 : e_i1 : ') CALL prt_ctl(tab2d_1=e_i_b (:,:,1,jl) , clinfo1= ' lim_update1 : e_i1_b : ') CALL prt_ctl(tab2d_1=e_i (:,:,2,jl) , clinfo1= ' lim_update1 : e_i2 : ') CALL prt_ctl(tab2d_1=e_i_b (:,:,2,jl) , clinfo1= ' lim_update1 : e_i2_b : ') CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_update1 : e_snow : ') CALL prt_ctl(tab2d_1=e_s_b (:,:,1,jl) , clinfo1= ' lim_update1 : e_snow_b : ') CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_update1 : smv_i : ') CALL prt_ctl(tab2d_1=smv_i_b (:,:,jl) , clinfo1= ' lim_update1 : smv_i_b : ') CALL prt_ctl(tab2d_1=oa_i (:,:,jl) , clinfo1= ' lim_update1 : oa_i : ') CALL prt_ctl(tab2d_1=oa_i_b (:,:,jl) , clinfo1= ' lim_update1 : oa_i_b : ') DO jk = 1, nlay_i CALL prt_ctl_info(' - Layer : ', ivar1=jk) CALL prt_ctl(tab2d_1=t_i(:,:,jk,jl) , clinfo1= ' lim_update1 : t_i : ') END DO END DO CALL prt_ctl_info(' ') CALL prt_ctl_info(' - Heat / FW fluxes : ') CALL prt_ctl_info(' ~~~~~~~~~~~~~~~~~~ ') CALL prt_ctl(tab2d_1=sst_m , clinfo1= ' lim_update1 : sst : ', tab2d_2=sss_m , clinfo2= ' sss : ') CALL prt_ctl_info(' ') CALL prt_ctl_info(' - Stresses : ') CALL prt_ctl_info(' ~~~~~~~~~~ ') CALL prt_ctl(tab2d_1=utau , clinfo1= ' lim_update1 : utau : ', tab2d_2=vtau , clinfo2= ' vtau : ') CALL prt_ctl(tab2d_1=utau_ice , clinfo1= ' lim_update1 : utau_ice : ', tab2d_2=vtau_ice , clinfo2= ' vtau_ice : ') CALL prt_ctl(tab2d_1=u_oce , clinfo1= ' lim_update1 : u_oce : ', tab2d_2=v_oce , clinfo2= ' v_oce : ') ENDIF ENDIF ! ln_limdyn IF( nn_timing == 1 ) CALL timing_stop('limupdate1') END SUBROUTINE lim_update1 #else !!---------------------------------------------------------------------- !! Default option Empty Module No sea-ice model !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_update1 ! Empty routine END SUBROUTINE lim_update1 #endif END MODULE limupdate1