MODULE limdiahsb !!====================================================================== !! *** MODULE limdia_hsb *** !! LIM-3 sea ice model : diagnostics of ice model !!====================================================================== !! History : 3.4 ! 2012-10 (C. Rousset) original code !!---------------------------------------------------------------------- #if defined key_lim3 !!---------------------------------------------------------------------- !! 'key_lim3' LIM3 sea-ice model !!---------------------------------------------------------------------- !! lim_dia_hsb : computation and output of the time evolution of keys variables !! lim_dia_hsb_init : initialization and namelist read !!---------------------------------------------------------------------- USE ice ! LIM-3: sea-ice variable USE dom_ice ! LIM-3: sea-ice domain USE dom_oce ! ocean domain USE sbc_oce ! surface boundary condition: ocean fields USE sbc_ice ! Surface boundary condition: sea-ice fields USE daymod ! model calendar USE phycst ! physical constant USE in_out_manager ! I/O manager USE lib_mpp ! MPP library USE timing ! preformance summary USE iom ! I/O manager USE lib_fortran ! glob_sum USE limrst ! ice restart IMPLICIT NONE PRIVATE PUBLIC lim_diahsb ! routine called by ice_step.F90 PUBLIC lim_diahsb_init ! routine called in sbcice_lim.F90 REAL(wp), DIMENSION(:,:), ALLOCATABLE :: vol_loc_ini, sal_loc_ini, tem_loc_ini ! initial volume, salt and heat contents REAL(wp) :: frc_sal, frc_voltop, frc_volbot, frc_temtop, frc_tembot ! global forcing trends !! * Substitutions # include "vectopt_loop_substitute.h90" !!---------------------------------------------------------------------- !! NEMO/OPA 3.4 , NEMO Consortium (2012) !! $Id$ !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_diahsb( kt ) !!--------------------------------------------------------------------------- !! *** ROUTINE lim_diahsb *** !! !! ** Purpose: Compute the ice global heat content, salt content and volume conservation !! !!--------------------------------------------------------------------------- INTEGER, INTENT(in) :: kt ! number of iteration !! real(wp) :: zbg_ivol, zbg_svol, zbg_area, zbg_isal, zbg_item ,zbg_stem REAL(wp) :: z_frc_voltop, z_frc_volbot, z_frc_sal, z_frc_temtop, z_frc_tembot REAL(wp) :: zdiff_vol, zdiff_sal, zdiff_tem !!--------------------------------------------------------------------------- IF( nn_timing == 1 ) CALL timing_start('lim_diahsb') ! ----------------------- ! ! 1 - Contents ! ! ----------------------- ! zbg_ivol = glob_sum( vt_i(:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! ice volume (km3) zbg_svol = glob_sum( vt_s(:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! snow volume (km3) zbg_area = glob_sum( at_i(:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-6 ) ! area (km2) zbg_isal = glob_sum( SUM( smv_i(:,:,:), dim=3 ) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! salt content (pss*km3) zbg_item = glob_sum( et_i * e12t(:,:) * tmask(:,:,1) * 1.e-20 ) ! heat content (1.e20 J) zbg_stem = glob_sum( et_s * e12t(:,:) * tmask(:,:,1) * 1.e-20 ) ! heat content (1.e20 J) ! ---------------------------! ! 2 - Trends due to forcing ! ! ---------------------------! z_frc_volbot = r1_rau0 * glob_sum( - ( wfx_ice(:,:) + wfx_snw(:,:) + wfx_err_sub(:,:) ) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! freshwater flux ice/snow-ocean z_frc_voltop = r1_rau0 * glob_sum( - ( wfx_sub(:,:) + wfx_spr(:,:) ) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! freshwater flux ice/snow-atm z_frc_sal = r1_rau0 * glob_sum( - sfx(:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) ! salt fluxes ice/snow-ocean z_frc_tembot = glob_sum( hfx_out(:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-20 ) ! heat on top of ocean (and below ice) z_frc_temtop = glob_sum( hfx_in (:,:) * e12t(:,:) * tmask(:,:,1) * 1.e-20 ) ! heat on top of ice-coean ! frc_voltop = frc_voltop + z_frc_voltop * rdt_ice ! km3 frc_volbot = frc_volbot + z_frc_volbot * rdt_ice ! km3 frc_sal = frc_sal + z_frc_sal * rdt_ice ! km3*pss frc_temtop = frc_temtop + z_frc_temtop * rdt_ice ! 1.e20 J frc_tembot = frc_tembot + z_frc_tembot * rdt_ice ! 1.e20 J ! ----------------------- ! ! 3 - Content variations ! ! ----------------------- ! zdiff_vol = r1_rau0 * glob_sum( ( rhoic * vt_i(:,:) + rhosn * vt_s(:,:) - vol_loc_ini(:,:) & ! freshwater trend (km3) & ) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) zdiff_sal = r1_rau0 * glob_sum( ( rhoic * SUM( smv_i(:,:,:), dim=3 ) - sal_loc_ini(:,:) & ! salt content trend (km3*pss) & ) * e12t(:,:) * tmask(:,:,1) * 1.e-9 ) zdiff_tem = glob_sum( ( et_i(:,:) + et_s(:,:) - tem_loc_ini(:,:) & ! heat content trend (1.e20 J) ! & + SUM( qevap_ice * a_i_b, dim=3 ) & !! clem: I think this line should be commented (but needs a check) & ) * e12t(:,:) * tmask(:,:,1) * 1.e-20 ) ! ----------------------- ! ! 4 - Drifts ! ! ----------------------- ! zdiff_vol = zdiff_vol - ( frc_voltop + frc_volbot ) zdiff_sal = zdiff_sal - frc_sal zdiff_tem = zdiff_tem - ( frc_tembot - frc_temtop ) ! ----------------------- ! ! 5 - Diagnostics writing ! ! ----------------------- ! ! IF( iom_use('ibgvolume') ) CALL iom_put( 'ibgvolume' , zdiff_vol ) ! ice/snow volume drift (km3 equivalent ocean water) IF( iom_use('ibgsaltco') ) CALL iom_put( 'ibgsaltco' , zdiff_sal ) ! ice salt content drift (psu*km3 equivalent ocean water) IF( iom_use('ibgheatco') ) CALL iom_put( 'ibgheatco' , zdiff_tem ) ! ice/snow heat content drift (1.e20 J) IF( iom_use('ibgheatfx') ) CALL iom_put( 'ibgheatfx' , zdiff_tem / & ! ice/snow heat flux drift (W/m2) & glob_sum( e12t(:,:) * tmask(:,:,1) * 1.e-20 * kt*rdt ) ) IF( iom_use('ibgfrcvoltop') ) CALL iom_put( 'ibgfrcvoltop' , frc_voltop ) ! vol forcing ice/snw-atm (km3 equivalent ocean water) IF( iom_use('ibgfrcvolbot') ) CALL iom_put( 'ibgfrcvolbot' , frc_volbot ) ! vol forcing ice/snw-ocean (km3 equivalent ocean water) IF( iom_use('ibgfrcsal') ) CALL iom_put( 'ibgfrcsal' , frc_sal ) ! sal - forcing (psu*km3 equivalent ocean water) IF( iom_use('ibgfrctemtop') ) CALL iom_put( 'ibgfrctemtop' , frc_temtop ) ! heat on top of ice/snw/ocean (1.e20 J) IF( iom_use('ibgfrctembot') ) CALL iom_put( 'ibgfrctembot' , frc_tembot ) ! heat on top of ocean(below ice) (1.e20 J) IF( iom_use('ibgfrchfxtop') ) CALL iom_put( 'ibgfrchfxtop' , frc_temtop / & ! heat on top of ice/snw/ocean (W/m2) & glob_sum( e12t(:,:) * tmask(:,:,1) * 1.e-20 * kt*rdt ) ) IF( iom_use('ibgfrchfxbot') ) CALL iom_put( 'ibgfrchfxbot' , frc_tembot / & ! heat on top of ocean(below ice) (W/m2) & glob_sum( e12t(:,:) * tmask(:,:,1) * 1.e-20 * kt*rdt ) ) IF( iom_use('ibgvol_tot' ) ) CALL iom_put( 'ibgvol_tot' , zbg_ivol ) ! ice volume (km3) IF( iom_use('sbgvol_tot' ) ) CALL iom_put( 'sbgvol_tot' , zbg_svol ) ! snow volume (km3) IF( iom_use('ibgarea_tot') ) CALL iom_put( 'ibgarea_tot' , zbg_area ) ! ice area (km2) IF( iom_use('ibgsalt_tot') ) CALL iom_put( 'ibgsalt_tot' , zbg_isal ) ! ice salinity content (pss*km3) IF( iom_use('ibgheat_tot') ) CALL iom_put( 'ibgheat_tot' , zbg_item ) ! ice heat content (1.e20 J) IF( iom_use('sbgheat_tot') ) CALL iom_put( 'sbgheat_tot' , zbg_stem ) ! snow heat content (1.e20 J) ! IF( lrst_ice ) CALL lim_diahsb_rst( numit, 'WRITE' ) ! IF( nn_timing == 1 ) CALL timing_stop('lim_diahsb') ! END SUBROUTINE lim_diahsb SUBROUTINE lim_diahsb_init !!--------------------------------------------------------------------------- !! *** ROUTINE lim_diahsb_init *** !! !! ** Purpose: Initialization for the heat salt volume budgets !! !! ** Method : Compute initial heat content, salt content and volume !! !! ** Action : - Compute initial heat content, salt content and volume !! - Initialize forcing trends !! - Compute coefficients for conversion !!--------------------------------------------------------------------------- INTEGER :: ierror ! local integer !! !!NAMELIST/namicehsb/ blabla !!---------------------------------------------------------------------- ! !!REWIND ( numnam_ice ) ! Read Namelist namicehsb !!READ ( numnam_ice, namicehsb ) ! IF(lwp) THEN ! Control print WRITE(numout,*) WRITE(numout,*) 'lim_diahsb_init : check the heat and salt budgets' WRITE(numout,*) '~~~~~~~~~~~~' ENDIF ! ALLOCATE( vol_loc_ini(jpi,jpj), sal_loc_ini(jpi,jpj), tem_loc_ini(jpi,jpj), STAT=ierror ) IF( ierror > 0 ) THEN CALL ctl_stop( 'lim_diahsb: unable to allocate vol_loc_ini' ) RETURN ENDIF CALL lim_diahsb_rst( nstart, 'READ' ) !* read or initialize all required files ! END SUBROUTINE lim_diahsb_init SUBROUTINE lim_diahsb_rst( kt, cdrw ) !!--------------------------------------------------------------------- !! *** ROUTINE limdia_rst *** !! !! ** Purpose : Read or write DIA file in restart file !! !! ** Method : use of IOM library !!---------------------------------------------------------------------- INTEGER , INTENT(in) :: kt ! ice time-step CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag ! !!---------------------------------------------------------------------- ! IF( TRIM(cdrw) == 'READ' ) THEN ! Read/initialise IF( ln_rstart ) THEN !* Read the restart file ! IF(lwp) WRITE(numout,*) '~~~~~~~' IF(lwp) WRITE(numout,*) ' lim_diahsb_rst read at it= ', kt,' date= ', ndastp IF(lwp) WRITE(numout,*) '~~~~~~~' CALL iom_get( numrir, 'frc_voltop' , frc_voltop ) CALL iom_get( numrir, 'frc_volbot' , frc_volbot ) CALL iom_get( numrir, 'frc_temtop' , frc_temtop ) CALL iom_get( numrir, 'frc_tembot' , frc_tembot ) CALL iom_get( numrir, 'frc_sal' , frc_sal ) CALL iom_get( numrir, jpdom_autoglo, 'vol_loc_ini', vol_loc_ini ) CALL iom_get( numrir, jpdom_autoglo, 'tem_loc_ini', tem_loc_ini ) CALL iom_get( numrir, jpdom_autoglo, 'sal_loc_ini', sal_loc_ini ) ELSE IF(lwp) WRITE(numout,*) '~~~~~~~' IF(lwp) WRITE(numout,*) ' lim_diahsb at initial state ' IF(lwp) WRITE(numout,*) '~~~~~~~' ! set trends to 0 frc_voltop = 0._wp frc_volbot = 0._wp frc_temtop = 0._wp frc_tembot = 0._wp frc_sal = 0._wp ! record initial ice volume, salt and temp vol_loc_ini(:,:) = rhoic * vt_i(:,:) + rhosn * vt_s(:,:) ! ice/snow volume (kg/m2) tem_loc_ini(:,:) = et_i(:,:) + et_s(:,:) ! ice/snow heat content (J) sal_loc_ini(:,:) = rhoic * SUM( smv_i(:,:,:), dim=3 ) ! ice salt content (pss*kg/m2) ENDIF ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file ! ! ------------------- IF(lwp) WRITE(numout,*) '~~~~~~~' IF(lwp) WRITE(numout,*) ' lim_diahsb_rst write at it= ', kt,' date= ', ndastp IF(lwp) WRITE(numout,*) '~~~~~~~' CALL iom_rstput( kt, nitrst, numriw, 'frc_voltop' , frc_voltop ) CALL iom_rstput( kt, nitrst, numriw, 'frc_volbot' , frc_volbot ) CALL iom_rstput( kt, nitrst, numriw, 'frc_temtop' , frc_temtop ) CALL iom_rstput( kt, nitrst, numriw, 'frc_tembot' , frc_tembot ) CALL iom_rstput( kt, nitrst, numriw, 'frc_sal' , frc_sal ) CALL iom_rstput( kt, nitrst, numriw, 'vol_loc_ini', vol_loc_ini ) CALL iom_rstput( kt, nitrst, numriw, 'tem_loc_ini', tem_loc_ini ) CALL iom_rstput( kt, nitrst, numriw, 'sal_loc_ini', sal_loc_ini ) ! ENDIF ! END SUBROUTINE lim_diahsb_rst #else !!---------------------------------------------------------------------- !! Default option : Empty module NO LIM sea-ice model !!---------------------------------------------------------------------- CONTAINS SUBROUTINE lim_diahsb ! Empty routine END SUBROUTINE lim_diahsb #endif !!====================================================================== END MODULE limdiahsb