| 1 | MODULE sbcice_cice |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbcice_cice *** |
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| 4 | !! To couple with sea ice model CICE (LANL) |
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| 5 | !!===================================================================== |
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| 6 | #if defined key_cice |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! 'key_cice' : CICE sea-ice model |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! sbc_ice_cice : sea-ice model time-stepping and update ocean sbc over ice-covered area |
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| 11 | !! |
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| 12 | !! |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | USE oce ! ocean dynamics and tracers |
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| 15 | USE dom_oce ! ocean space and time domain |
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| 16 | USE phycst, only : rcp, rau0 |
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| 17 | USE in_out_manager ! I/O manager |
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| 18 | USE lib_mpp ! distributed memory computing library |
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| 19 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 20 | USE wrk_nemo ! work arrays |
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| 21 | USE daymod ! calendar |
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| 22 | USE fldread ! read input fields |
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| 23 | |
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| 24 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 25 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 26 | USE sbcblk_core ! Surface boundary condition: CORE bulk |
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| 27 | USE sbccpl |
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| 28 | |
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| 29 | USE ice_kinds_mod |
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| 30 | USE ice_blocks |
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| 31 | USE ice_domain |
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| 32 | USE ice_domain_size |
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| 33 | USE ice_boundary |
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| 34 | USE ice_constants |
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| 35 | USE ice_gather_scatter |
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| 36 | USE ice_calendar, only: dt |
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| 37 | USE ice_state, only: aice,aicen,uvel,vvel,vsnon,vicen |
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| 38 | USE ice_flux, only: strax,stray,strocnx,strocny,frain,fsnow, & |
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| 39 | sst,sss,uocn,vocn,fsalt_gbm,fresh_gbm, & |
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| 40 | fhocn_gbm,fswthru_gbm,frzmlt, & |
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| 41 | flatn_f,fsurfn_f,fcondtopn_f, & |
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| 42 | uatm,vatm,wind,fsw,flw,Tair,potT,Qa,rhoa,zlvl, & |
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| 43 | swvdr,swvdf,swidr,swidf |
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| 44 | USE ice_forcing, only: frcvdr,frcvdf,frcidr,frcidf |
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| 45 | USE ice_atmo, only: calc_strair |
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| 46 | USE ice_therm_vertical, only: calc_Tsfc |
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| 47 | |
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| 48 | USE CICE_InitMod |
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| 49 | USE CICE_RunMod |
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| 50 | USE CICE_FinalMod |
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| 51 | |
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| 52 | IMPLICIT NONE |
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| 53 | PRIVATE |
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| 54 | |
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| 55 | !! * Routine accessibility |
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| 56 | PUBLIC cice_sbc_init ! routine called by sbc_init |
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| 57 | PUBLIC cice_sbc_final ! routine called by sbc_final |
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| 58 | PUBLIC sbc_ice_cice ! routine called by sbc |
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| 59 | |
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| 60 | INTEGER , PARAMETER :: jpfld = 13 ! maximum number of files to read |
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| 61 | INTEGER , PARAMETER :: jp_snow = 1 ! index of snow file |
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| 62 | INTEGER , PARAMETER :: jp_rain = 2 ! index of rain file |
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| 63 | INTEGER , PARAMETER :: jp_sblm = 3 ! index of sublimation file |
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| 64 | INTEGER , PARAMETER :: jp_top1 = 4 ! index of category 1 topmelt file |
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| 65 | INTEGER , PARAMETER :: jp_top2 = 5 ! index of category 2 topmelt file |
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| 66 | INTEGER , PARAMETER :: jp_top3 = 6 ! index of category 3 topmelt file |
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| 67 | INTEGER , PARAMETER :: jp_top4 = 7 ! index of category 4 topmelt file |
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| 68 | INTEGER , PARAMETER :: jp_top5 = 8 ! index of category 5 topmelt file |
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| 69 | INTEGER , PARAMETER :: jp_bot1 = 9 ! index of category 1 botmelt file |
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| 70 | INTEGER , PARAMETER :: jp_bot2 = 10 ! index of category 2 botmelt file |
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| 71 | INTEGER , PARAMETER :: jp_bot3 = 11 ! index of category 3 botmelt file |
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| 72 | INTEGER , PARAMETER :: jp_bot4 = 12 ! index of category 4 botmelt file |
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| 73 | INTEGER , PARAMETER :: jp_bot5 = 13 ! index of category 5 botmelt file |
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| 74 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf ! structure of input fields (file informations, fields read) |
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| 75 | |
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| 76 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:), PRIVATE :: png ! local array used in sbc_cice_ice |
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| 77 | |
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| 78 | !! * Substitutions |
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| 79 | # include "domzgr_substitute.h90" |
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| 80 | |
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| 81 | CONTAINS |
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| 82 | |
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| 83 | INTEGER FUNCTION sbc_ice_cice_alloc() |
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| 84 | !!---------------------------------------------------------------------- |
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| 85 | !! *** FUNCTION sbc_ice_cice_alloc *** |
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| 86 | !!---------------------------------------------------------------------- |
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| 87 | ALLOCATE( png(jpi,jpj,jpnij), STAT=sbc_ice_cice_alloc ) |
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| 88 | IF( lk_mpp ) CALL mpp_sum ( sbc_ice_cice_alloc ) |
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| 89 | IF( sbc_ice_cice_alloc > 0 ) CALL ctl_warn('sbc_ice_cice_alloc: allocation of arrays failed.') |
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| 90 | END FUNCTION sbc_ice_cice_alloc |
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| 91 | |
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| 92 | SUBROUTINE sbc_ice_cice( kt, nsbc ) |
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| 93 | !!--------------------------------------------------------------------- |
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| 94 | !! *** ROUTINE sbc_ice_cice *** |
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| 95 | !! |
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| 96 | !! ** Purpose : update the ocean surface boundary condition via the |
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| 97 | !! CICE Sea Ice Model time stepping |
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| 98 | !! |
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| 99 | !! ** Method : - Get any extra forcing fields for CICE |
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| 100 | !! - Prepare forcing fields |
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| 101 | !! - CICE model time stepping |
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| 102 | !! - call the routine that computes mass and |
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| 103 | !! heat fluxes at the ice/ocean interface |
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| 104 | !! |
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| 105 | !! ** Action : - time evolution of the CICE sea-ice model |
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| 106 | !! - update all sbc variables below sea-ice: |
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| 107 | !! utau, vtau, qns , qsr, emp , emps |
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| 108 | !!--------------------------------------------------------------------- |
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| 109 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 110 | INTEGER, INTENT(in) :: nsbc ! surface forcing type |
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| 111 | !!---------------------------------------------------------------------- |
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| 112 | |
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| 113 | ! !----------------------! |
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| 114 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN ! Ice time-step only ! |
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| 115 | ! !----------------------! |
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| 116 | |
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| 117 | ! Make sure any fluxes required for CICE are set |
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| 118 | IF ( nsbc == 2 ) THEN |
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| 119 | CALL cice_sbc_force(kt) |
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| 120 | ELSE IF ( nsbc == 5 ) THEN |
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| 121 | CALL sbc_cpl_ice_flx( 1.0-fr_i ) |
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| 122 | ENDIF |
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| 123 | |
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| 124 | CALL cice_sbc_in ( kt, nsbc ) |
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| 125 | CALL CICE_Run |
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| 126 | CALL cice_sbc_out ( kt, nsbc ) |
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| 127 | |
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| 128 | IF ( nsbc == 5 ) CALL cice_sbc_hadgam(kt+1) |
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| 129 | |
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| 130 | ENDIF ! End sea-ice time step only |
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| 131 | |
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| 132 | END SUBROUTINE sbc_ice_cice |
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| 133 | |
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| 134 | SUBROUTINE cice_sbc_init (nsbc) |
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| 135 | !!--------------------------------------------------------------------- |
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| 136 | !! *** ROUTINE cice_sbc_init *** |
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| 137 | !! ** Purpose: Initialise ice related fields for NEMO and coupling |
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| 138 | !! |
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| 139 | INTEGER, INTENT( in ) :: nsbc ! surface forcing type |
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| 140 | !!--------------------------------------------------------------------- |
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| 141 | |
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| 142 | INTEGER :: ji, jj, jpl ! dummy loop indices |
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| 143 | |
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| 144 | IF(lwp) WRITE(numout,*)'cice_sbc_init' |
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| 145 | |
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| 146 | ! Initialize CICE |
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| 147 | CALL CICE_Initialize |
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| 148 | |
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| 149 | ! Do some CICE consistency checks |
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| 150 | IF ( (nsbc == 2) .OR. (nsbc == 5) ) THEN |
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| 151 | IF ( calc_strair .OR. calc_Tsfc ) THEN |
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| 152 | CALL ctl_stop( 'STOP', 'cice_sbc_init : Forcing option requires calc_strair=F and calc_Tsfc=F in ice_in' ) |
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| 153 | ENDIF |
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| 154 | ELSEIF (nsbc == 4) THEN |
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| 155 | IF ( .NOT. (calc_strair .AND. calc_Tsfc) ) THEN |
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| 156 | CALL ctl_stop( 'STOP', 'cice_sbc_init : Forcing option requires calc_strair=T and calc_Tsfc=T in ice_in' ) |
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| 157 | ENDIF |
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| 158 | ENDIF |
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| 159 | |
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| 160 | |
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| 161 | ! allocate sbc_ice and sbc_cice arrays |
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| 162 | IF( sbc_ice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_cice_alloc : unable to allocate arrays' ) |
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| 163 | IF( sbc_ice_cice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_cice_alloc : unable to allocate cice arrays' ) |
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| 164 | |
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| 165 | ! Ensure ocean temperatures are nowhere below freezing if not a NEMO restart |
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| 166 | IF( .NOT. ln_rstart ) THEN |
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| 167 | tsn(:,:,:,jp_tem) = MAX (tsn(:,:,:,jp_tem),Tocnfrz) |
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| 168 | tsb(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) |
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| 169 | ENDIF |
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| 170 | |
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| 171 | fr_iu(:,:)=0.0 |
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| 172 | fr_iv(:,:)=0.0 |
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| 173 | |
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| 174 | CALL cice2nemo(aice,fr_i, 'T', 1. ) |
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| 175 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
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| 176 | DO jpl=1,ncat |
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| 177 | CALL cice2nemo(aicen(:,:,jpl,:),a_i(:,:,jpl), 'T', 1. ) |
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| 178 | ENDDO |
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| 179 | ENDIF |
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| 180 | |
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| 181 | ! T point to U point |
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| 182 | ! T point to V point |
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| 183 | DO jj=1,jpjm1 |
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| 184 | DO ji=1,jpim1 |
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| 185 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
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| 186 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
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| 187 | ENDDO |
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| 188 | ENDDO |
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| 189 | |
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| 190 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
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| 191 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
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| 192 | |
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| 193 | END SUBROUTINE cice_sbc_init |
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| 194 | |
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| 195 | |
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| 196 | SUBROUTINE cice_sbc_in (kt, nsbc) |
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| 197 | !!--------------------------------------------------------------------- |
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| 198 | !! *** ROUTINE cice_sbc_in *** |
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| 199 | !! ** Purpose: Set coupling fields and pass to CICE |
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| 200 | !!--------------------------------------------------------------------- |
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| 201 | INTEGER, INTENT(in ) :: kt ! ocean time step |
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| 202 | INTEGER, INTENT(in ) :: nsbc ! surface forcing type |
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| 203 | |
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| 204 | INTEGER :: ji, jj, jpl ! dummy loop indices |
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| 205 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp |
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| 206 | REAL(wp), DIMENSION(:,:,:), POINTER :: ztmpn |
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| 207 | !!--------------------------------------------------------------------- |
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| 208 | |
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| 209 | CALL wrk_alloc( jpi,jpj, ztmp ) |
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| 210 | CALL wrk_alloc( jpi,jpj,ncat, ztmpn ) |
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| 211 | |
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| 212 | IF( kt == nit000 ) THEN |
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| 213 | IF(lwp) WRITE(numout,*)'cice_sbc_in' |
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| 214 | ENDIF |
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| 215 | |
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| 216 | ztmp(:,:)=0.0 |
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| 217 | |
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| 218 | ! Aggregate ice concentration already set in cice_sbc_out (or cice_sbc_init on |
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| 219 | ! the first time-step) |
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| 220 | |
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| 221 | ! forced and coupled case |
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| 222 | |
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| 223 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
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| 224 | |
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| 225 | ztmpn(:,:,:)=0.0 |
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| 226 | |
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| 227 | ! x comp of wind stress (CI_1) |
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| 228 | ! U point to F point |
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| 229 | DO jj=1,jpjm1 |
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| 230 | DO ji=1,jpi |
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| 231 | ztmp(ji,jj)=0.5*(fr_iu(ji,jj)*utau(ji,jj) & |
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| 232 | +fr_iu(ji,jj+1)*utau(ji,jj+1))*fmask(ji,jj,1) |
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| 233 | ENDDO |
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| 234 | ENDDO |
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| 235 | CALL nemo2cice(ztmp,strax,'F', -1. ) |
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| 236 | |
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| 237 | ! y comp of wind stress (CI_2) |
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| 238 | ! V point to F point |
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| 239 | DO jj=1,jpj |
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| 240 | DO ji=1,jpim1 |
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| 241 | ztmp(ji,jj)=0.5*(fr_iv(ji,jj)*vtau(ji,jj) & |
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| 242 | +fr_iv(ji+1,jj)*vtau(ji+1,jj))*fmask(ji,jj,1) |
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| 243 | ENDDO |
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| 244 | ENDDO |
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| 245 | CALL nemo2cice(ztmp,stray,'F', -1. ) |
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| 246 | |
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| 247 | ! Surface downward latent heat flux (CI_5) |
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| 248 | IF (nsbc == 2) THEN |
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| 249 | DO jpl=1,ncat |
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| 250 | ztmpn(:,:,jpl)=qla_ice(:,:,1)*a_i(:,:,jpl) |
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| 251 | ENDDO |
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| 252 | ELSE |
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| 253 | ! emp_ice is set in sbc_cpl_ice_flx as sublimation-snow |
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| 254 | qla_ice(:,:,1)= - ( emp_ice(:,:)+sprecip(:,:) ) * Lsub |
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| 255 | ! End of temporary code |
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| 256 | DO jj=1,jpj |
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| 257 | DO ji=1,jpi |
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| 258 | IF (fr_i(ji,jj).eq.0.0) THEN |
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| 259 | DO jpl=1,ncat |
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| 260 | ztmpn(ji,jj,jpl)=0.0 |
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| 261 | ENDDO |
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| 262 | ! This will then be conserved in CICE |
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| 263 | ztmpn(ji,jj,1)=qla_ice(ji,jj,1) |
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| 264 | ELSE |
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| 265 | DO jpl=1,ncat |
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| 266 | ztmpn(ji,jj,jpl)=qla_ice(ji,jj,1)*a_i(ji,jj,jpl)/fr_i(ji,jj) |
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| 267 | ENDDO |
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| 268 | ENDIF |
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| 269 | ENDDO |
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| 270 | ENDDO |
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| 271 | ENDIF |
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| 272 | DO jpl=1,ncat |
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| 273 | CALL nemo2cice(ztmpn(:,:,jpl),flatn_f(:,:,jpl,:),'T', 1. ) |
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| 274 | |
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| 275 | ! GBM conductive flux through ice (CI_6) |
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| 276 | ! Convert to GBM |
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| 277 | IF (nsbc == 2) THEN |
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| 278 | ztmp(:,:) = botmelt(:,:,jpl)*a_i(:,:,jpl) |
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| 279 | ELSE |
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| 280 | ztmp(:,:) = botmelt(:,:,jpl) |
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| 281 | ENDIF |
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| 282 | CALL nemo2cice(ztmp,fcondtopn_f(:,:,jpl,:),'T', 1. ) |
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| 283 | |
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| 284 | ! GBM surface heat flux (CI_7) |
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| 285 | ! Convert to GBM |
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| 286 | IF (nsbc == 2) THEN |
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| 287 | ztmp(:,:) = (topmelt(:,:,jpl)+botmelt(:,:,jpl))*a_i(:,:,jpl) |
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| 288 | ELSE |
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| 289 | ztmp(:,:) = (topmelt(:,:,jpl)+botmelt(:,:,jpl)) |
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| 290 | ENDIF |
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| 291 | CALL nemo2cice(ztmp,fsurfn_f(:,:,jpl,:),'T', 1. ) |
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| 292 | ENDDO |
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| 293 | |
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| 294 | ELSE IF (nsbc == 4) THEN |
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| 295 | |
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| 296 | ! Pass CORE forcing fields to CICE (which will calculate heat fluxes etc itself) |
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| 297 | ! x comp and y comp of atmosphere surface wind (CICE expects on T points) |
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| 298 | ztmp(:,:) = wndi_ice(:,:) |
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| 299 | CALL nemo2cice(ztmp,uatm,'T', -1. ) |
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| 300 | ztmp(:,:) = wndj_ice(:,:) |
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| 301 | CALL nemo2cice(ztmp,vatm,'T', -1. ) |
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| 302 | ztmp(:,:) = SQRT ( wndi_ice(:,:)**2 + wndj_ice(:,:)**2 ) |
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| 303 | CALL nemo2cice(ztmp,wind,'T', 1. ) ! Wind speed (m/s) |
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| 304 | ztmp(:,:) = qsr_ice(:,:,1) |
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| 305 | CALL nemo2cice(ztmp,fsw,'T', 1. ) ! Incoming short-wave (W/m^2) |
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| 306 | ztmp(:,:) = qlw_ice(:,:,1) |
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| 307 | CALL nemo2cice(ztmp,flw,'T', 1. ) ! Incoming long-wave (W/m^2) |
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| 308 | ztmp(:,:) = tatm_ice(:,:) |
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| 309 | CALL nemo2cice(ztmp,Tair,'T', 1. ) ! Air temperature (K) |
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| 310 | CALL nemo2cice(ztmp,potT,'T', 1. ) ! Potential temp (K) |
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| 311 | ! Following line uses MAX(....) to avoid problems if tatm_ice has unset halo rows |
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| 312 | ztmp(:,:) = 101000. / ( 287.04 * MAX(1.0,tatm_ice(:,:)) ) |
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| 313 | ! Constant (101000.) atm pressure assumed |
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| 314 | CALL nemo2cice(ztmp,rhoa,'T', 1. ) ! Air density (kg/m^3) |
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| 315 | ztmp(:,:) = qatm_ice(:,:) |
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| 316 | CALL nemo2cice(ztmp,Qa,'T', 1. ) ! Specific humidity (kg/kg) |
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| 317 | ztmp(:,:)=10.0 |
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| 318 | CALL nemo2cice(ztmp,zlvl,'T', 1. ) ! Atmos level height (m) |
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| 319 | |
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| 320 | ! May want to check all values are physically realistic (as in CICE routine |
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| 321 | ! prepare_forcing)? |
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| 322 | |
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| 323 | ! Divide shortwave into spectral bands (as in prepare_forcing) |
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| 324 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdr ! visible direct |
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| 325 | CALL nemo2cice(ztmp,swvdr,'T', 1. ) |
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| 326 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdf ! visible diffuse |
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| 327 | CALL nemo2cice(ztmp,swvdf,'T', 1. ) |
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| 328 | ztmp(:,:)=qsr_ice(:,:,1)*frcidr ! near IR direct |
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| 329 | CALL nemo2cice(ztmp,swidr,'T', 1. ) |
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| 330 | ztmp(:,:)=qsr_ice(:,:,1)*frcidf ! near IR diffuse |
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| 331 | CALL nemo2cice(ztmp,swidf,'T', 1. ) |
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| 332 | |
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| 333 | ENDIF |
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| 334 | |
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| 335 | ! Snowfall |
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| 336 | ! Ensure fsnow is positive (as in CICE routine prepare_forcing) |
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| 337 | ztmp(:,:)=MAX(fr_i(:,:)*sprecip(:,:),0.0) |
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| 338 | CALL nemo2cice(ztmp,fsnow,'T', 1. ) |
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| 339 | |
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| 340 | ! Rainfall |
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| 341 | ztmp(:,:)=fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
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| 342 | CALL nemo2cice(ztmp,frain,'T', 1. ) |
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| 343 | |
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| 344 | ! Freezing/melting potential |
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| 345 | ! Calculated over NEMO leapfrog timestep (hence 2*dt), so uses tb in |
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| 346 | ! frzmlt which is then applied in going from tb to ta. |
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| 347 | ! May be better using sst_m if not coupling to CICE every time-step |
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| 348 | |
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| 349 | ! nfrzmlt(:,:)=rau0*rcp*fse3t(:,:,1)*(Tocnfrz-sst_m(:,:))/(2.0*dt) |
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| 350 | nfrzmlt(:,:)=rau0*rcp*fse3t(:,:,1)*(Tocnfrz-tsb(:,:,1,jp_tem))/(2.0*dt) |
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| 351 | |
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| 352 | ztmp(:,:) = nfrzmlt(:,:) |
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| 353 | CALL nemo2cice(ztmp,frzmlt,'T', 1. ) |
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| 354 | |
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| 355 | ! SST and SSS |
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| 356 | |
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| 357 | CALL nemo2cice(sst_m,sst,'T', 1. ) |
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| 358 | CALL nemo2cice(sss_m,sss,'T', 1. ) |
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| 359 | |
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| 360 | ! x comp and y comp of surface ocean current |
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| 361 | ! U point to F point |
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| 362 | DO jj=1,jpjm1 |
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| 363 | DO ji=1,jpi |
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| 364 | ztmp(ji,jj)=0.5*(ssu_m(ji,jj)+ssu_m(ji,jj+1))*fmask(ji,jj,1) |
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| 365 | ENDDO |
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| 366 | ENDDO |
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| 367 | CALL nemo2cice(ztmp,uocn,'F', -1. ) |
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| 368 | |
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| 369 | ! V point to F point |
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| 370 | DO jj=1,jpj |
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| 371 | DO ji=1,jpim1 |
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| 372 | ztmp(ji,jj)=0.5*(ssv_m(ji,jj)+ssv_m(ji+1,jj))*fmask(ji,jj,1) |
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| 373 | ENDDO |
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| 374 | ENDDO |
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| 375 | CALL nemo2cice(ztmp,vocn,'F', -1. ) |
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| 376 | |
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| 377 | CALL wrk_dealloc( jpi,jpj, ztmp ) |
|---|
| 378 | CALL wrk_dealloc( jpi,jpj,ncat, ztmpn ) |
|---|
| 379 | ! |
|---|
| 380 | END SUBROUTINE cice_sbc_in |
|---|
| 381 | |
|---|
| 382 | |
|---|
| 383 | SUBROUTINE cice_sbc_out (kt,nsbc) |
|---|
| 384 | !!--------------------------------------------------------------------- |
|---|
| 385 | !! *** ROUTINE cice_sbc_out *** |
|---|
| 386 | !! ** Purpose: Get fields from CICE and set surface fields for NEMO |
|---|
| 387 | !!--------------------------------------------------------------------- |
|---|
| 388 | INTEGER, INTENT( in ) :: kt ! ocean time step |
|---|
| 389 | INTEGER, INTENT( in ) :: nsbc ! surface forcing type |
|---|
| 390 | |
|---|
| 391 | INTEGER :: ji, jj, jpl ! dummy loop indices |
|---|
| 392 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp |
|---|
| 393 | !!--------------------------------------------------------------------- |
|---|
| 394 | |
|---|
| 395 | CALL wrk_alloc( jpi,jpj, ztmp ) |
|---|
| 396 | |
|---|
| 397 | IF( kt == nit000 ) THEN |
|---|
| 398 | IF(lwp) WRITE(numout,*)'cice_sbc_out' |
|---|
| 399 | ENDIF |
|---|
| 400 | |
|---|
| 401 | ! x comp of ocean-ice stress |
|---|
| 402 | CALL cice2nemo(strocnx,ztmp,'F', -1. ) |
|---|
| 403 | ss_iou(:,:)=0.0 |
|---|
| 404 | ! F point to U point |
|---|
| 405 | DO jj=2,jpjm1 |
|---|
| 406 | DO ji=2,jpim1 |
|---|
| 407 | ss_iou(ji,jj)=0.5*( ztmp(ji,jj-1) + ztmp(ji,jj) ) * umask(ji,jj,1) |
|---|
| 408 | ENDDO |
|---|
| 409 | ENDDO |
|---|
| 410 | CALL lbc_lnk( ss_iou , 'U', -1. ) |
|---|
| 411 | |
|---|
| 412 | ! y comp of ocean-ice stress |
|---|
| 413 | CALL cice2nemo(strocny,ztmp,'F', -1. ) |
|---|
| 414 | ss_iov(:,:)=0.0 |
|---|
| 415 | ! F point to V point |
|---|
| 416 | |
|---|
| 417 | DO jj=1,jpjm1 |
|---|
| 418 | DO ji=2,jpim1 |
|---|
| 419 | ss_iov(ji,jj)=0.5*( ztmp(ji-1,jj) + ztmp(ji,jj) ) * vmask(ji,jj,1) |
|---|
| 420 | ENDDO |
|---|
| 421 | ENDDO |
|---|
| 422 | CALL lbc_lnk( ss_iov , 'V', -1. ) |
|---|
| 423 | |
|---|
| 424 | ! x and y comps of surface stress |
|---|
| 425 | ! Combine wind stress and ocean-ice stress |
|---|
| 426 | ! [Note that fr_iu hasn't yet been updated, so still from start of CICE timestep] |
|---|
| 427 | |
|---|
| 428 | utau(:,:)=(1.0-fr_iu(:,:))*utau(:,:)-ss_iou(:,:) |
|---|
| 429 | vtau(:,:)=(1.0-fr_iv(:,:))*vtau(:,:)-ss_iov(:,:) |
|---|
| 430 | |
|---|
| 431 | ! Freshwater fluxes |
|---|
| 432 | |
|---|
| 433 | IF (nsbc == 2) THEN |
|---|
| 434 | ! Note that emp from the forcing files is evap*(1-aice)-(tprecip-aice*sprecip) |
|---|
| 435 | ! What we want here is evap*(1-aice)-tprecip*(1-aice) hence manipulation below |
|---|
| 436 | ! Not ideal since aice won't be the same as in the atmosphere. |
|---|
| 437 | ! Better to use evap and tprecip? (but for now don't read in evap in this case) |
|---|
| 438 | emp(:,:) = emp(:,:)+fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
|---|
| 439 | ELSE IF (nsbc == 4) THEN |
|---|
| 440 | emp(:,:) = (1.0-fr_i(:,:))*emp(:,:) |
|---|
| 441 | ELSE IF (nsbc ==5) THEN |
|---|
| 442 | ! emp_tot is set in sbc_cpl_ice_flx (call from cice_sbc_in above) |
|---|
| 443 | emp(:,:) = emp_tot(:,:)+tprecip(:,:)*fr_i(:,:) |
|---|
| 444 | ENDIF |
|---|
| 445 | |
|---|
| 446 | ! Subtract fluxes from CICE to get freshwater equivalent flux used in |
|---|
| 447 | ! salinity calculation |
|---|
| 448 | CALL cice2nemo(fresh_gbm,ztmp,'T', 1. ) |
|---|
| 449 | emps(:,:)=emp(:,:)-ztmp(:,:) |
|---|
| 450 | ! Note the 1000.0 is to convert from kg salt to g salt (needed for PSU) |
|---|
| 451 | CALL cice2nemo(fsalt_gbm,ztmp,'T', 1. ) |
|---|
| 452 | DO jj=1,jpj |
|---|
| 453 | DO ji=1,jpi |
|---|
| 454 | IF (sss_m(ji,jj).gt.0.0) THEN |
|---|
| 455 | emps(ji,jj)=emps(ji,jj)+ztmp(ji,jj)*1000.0/sss_m(ji,jj) |
|---|
| 456 | ENDIF |
|---|
| 457 | ENDDO |
|---|
| 458 | ENDDO |
|---|
| 459 | |
|---|
| 460 | ! No longer remove precip over ice from free surface calculation on basis that the |
|---|
| 461 | ! weight of the precip will affect the free surface even if it falls on the ice |
|---|
| 462 | ! (same to the argument that freezing / melting of ice doesn't change the free surface) |
|---|
| 463 | ! Sublimation from the ice is treated in a similar way (included in emp but not emps) |
|---|
| 464 | ! |
|---|
| 465 | ! This will need re-thinking in the variable volume case and if ice is 'embedded' in the |
|---|
| 466 | ! ocean rather than floating on top |
|---|
| 467 | |
|---|
| 468 | emp(:,:) = emp(:,:) - tprecip(:,:)*fr_i(:,:) |
|---|
| 469 | |
|---|
| 470 | ! Take sublimation into account |
|---|
| 471 | IF (nsbc == 5 ) THEN |
|---|
| 472 | emp(:,:) = emp(:,:) + ( emp_ice(:,:) + sprecip(:,:) ) |
|---|
| 473 | ELSE IF (nsbc == 2 ) THEN |
|---|
| 474 | emp(:,:) = emp(:,:) - qla_ice(:,:,1) / Lsub |
|---|
| 475 | ENDIF |
|---|
| 476 | |
|---|
| 477 | CALL lbc_lnk( emp , 'T', 1. ) |
|---|
| 478 | CALL lbc_lnk( emps , 'T', 1. ) |
|---|
| 479 | |
|---|
| 480 | ! Solar penetrative radiation and non solar surface heat flux |
|---|
| 481 | |
|---|
| 482 | ! Scale qsr and qns according to ice fraction (bulk formulae only) |
|---|
| 483 | |
|---|
| 484 | IF (nsbc == 4) THEN |
|---|
| 485 | qsr(:,:)=qsr(:,:)*(1.0-fr_i(:,:)) |
|---|
| 486 | qns(:,:)=qns(:,:)*(1.0-fr_i(:,:)) |
|---|
| 487 | ENDIF |
|---|
| 488 | ! Take into account snow melting except for fully coupled when already in qns_tot |
|---|
| 489 | IF (nsbc == 5) THEN |
|---|
| 490 | qsr(:,:)= qsr_tot(:,:) |
|---|
| 491 | qns(:,:)= qns_tot(:,:) |
|---|
| 492 | ELSE |
|---|
| 493 | qns(:,:)= qns(:,:)-sprecip(:,:)*Lfresh*(1.0-fr_i(:,:)) |
|---|
| 494 | ENDIF |
|---|
| 495 | |
|---|
| 496 | ! Now add in ice / snow related terms |
|---|
| 497 | ! [fswthru will be zero unless running with calc_Tsfc=T in CICE] |
|---|
| 498 | CALL cice2nemo(fswthru_gbm,ztmp,'T', 1. ) |
|---|
| 499 | qsr(:,:)=qsr(:,:)+ztmp(:,:) |
|---|
| 500 | CALL lbc_lnk( qsr , 'T', 1. ) |
|---|
| 501 | |
|---|
| 502 | DO jj=1,jpj |
|---|
| 503 | DO ji=1,jpi |
|---|
| 504 | nfrzmlt(ji,jj)=MAX(nfrzmlt(ji,jj),0.0) |
|---|
| 505 | ENDDO |
|---|
| 506 | ENDDO |
|---|
| 507 | |
|---|
| 508 | CALL cice2nemo(fhocn_gbm,ztmp,'T', 1. ) |
|---|
| 509 | qns(:,:)=qns(:,:)+nfrzmlt(:,:)+ztmp(:,:) |
|---|
| 510 | |
|---|
| 511 | CALL lbc_lnk( qns , 'T', 1. ) |
|---|
| 512 | |
|---|
| 513 | ! Prepare for the following CICE time-step |
|---|
| 514 | |
|---|
| 515 | CALL cice2nemo(aice,fr_i,'T', 1. ) |
|---|
| 516 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
|---|
| 517 | DO jpl=1,ncat |
|---|
| 518 | CALL cice2nemo(aicen(:,:,jpl,:),a_i(:,:,jpl), 'T', 1. ) |
|---|
| 519 | ENDDO |
|---|
| 520 | ENDIF |
|---|
| 521 | |
|---|
| 522 | ! T point to U point |
|---|
| 523 | ! T point to V point |
|---|
| 524 | DO jj=1,jpjm1 |
|---|
| 525 | DO ji=1,jpim1 |
|---|
| 526 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
|---|
| 527 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
|---|
| 528 | ENDDO |
|---|
| 529 | ENDDO |
|---|
| 530 | |
|---|
| 531 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
|---|
| 532 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
|---|
| 533 | |
|---|
| 534 | ! Release work space |
|---|
| 535 | |
|---|
| 536 | CALL wrk_dealloc( jpi,jpj, ztmp ) |
|---|
| 537 | ! |
|---|
| 538 | END SUBROUTINE cice_sbc_out |
|---|
| 539 | |
|---|
| 540 | |
|---|
| 541 | #if defined key_oasis3 || defined key_oasis4 |
|---|
| 542 | SUBROUTINE cice_sbc_hadgam( kt ) |
|---|
| 543 | !!--------------------------------------------------------------------- |
|---|
| 544 | !! *** ROUTINE cice_sbc_hadgam *** |
|---|
| 545 | !! ** Purpose: Prepare fields needed to pass to HadGAM3 atmosphere |
|---|
| 546 | !! |
|---|
| 547 | !! |
|---|
| 548 | INTEGER, INTENT( in ) :: kt ! ocean time step |
|---|
| 549 | !!--------------------------------------------------------------------- |
|---|
| 550 | |
|---|
| 551 | INTEGER :: jpl ! dummy loop index |
|---|
| 552 | INTEGER :: ierror |
|---|
| 553 | |
|---|
| 554 | IF( kt == nit000 ) THEN |
|---|
| 555 | IF(lwp) WRITE(numout,*)'cice_sbc_hadgam' |
|---|
| 556 | IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' ) |
|---|
| 557 | ENDIF |
|---|
| 558 | |
|---|
| 559 | ! ! =========================== ! |
|---|
| 560 | ! ! Prepare Coupling fields ! |
|---|
| 561 | ! ! =========================== ! |
|---|
| 562 | |
|---|
| 563 | ! x and y comp of ice velocity |
|---|
| 564 | |
|---|
| 565 | CALL cice2nemo(uvel,u_ice,'F', -1. ) |
|---|
| 566 | CALL cice2nemo(vvel,v_ice,'F', -1. ) |
|---|
| 567 | |
|---|
| 568 | ! Ice concentration (CO_1) = a_i calculated at end of cice_sbc_out |
|---|
| 569 | |
|---|
| 570 | ! Snow and ice thicknesses (CO_2 and CO_3) |
|---|
| 571 | |
|---|
| 572 | DO jpl = 1,ncat |
|---|
| 573 | CALL cice2nemo(vsnon(:,:,jpl,:),ht_s(:,:,jpl),'T', 1. ) |
|---|
| 574 | CALL cice2nemo(vicen(:,:,jpl,:),ht_i(:,:,jpl),'T', 1. ) |
|---|
| 575 | ENDDO |
|---|
| 576 | |
|---|
| 577 | END SUBROUTINE cice_sbc_hadgam |
|---|
| 578 | |
|---|
| 579 | #else |
|---|
| 580 | SUBROUTINE cice_sbc_hadgam( kt ) ! Dummy routine |
|---|
| 581 | INTEGER, INTENT( in ) :: kt ! ocean time step |
|---|
| 582 | WRITE(*,*) 'cice_sbc_hadgam: You should not have seen this print! error?' |
|---|
| 583 | END SUBROUTINE cice_sbc_hadgam |
|---|
| 584 | #endif |
|---|
| 585 | |
|---|
| 586 | SUBROUTINE cice_sbc_final |
|---|
| 587 | !!--------------------------------------------------------------------- |
|---|
| 588 | !! *** ROUTINE cice_sbc_final *** |
|---|
| 589 | !! ** Purpose: Finalize CICE |
|---|
| 590 | !!--------------------------------------------------------------------- |
|---|
| 591 | |
|---|
| 592 | IF(lwp) WRITE(numout,*)'cice_sbc_final' |
|---|
| 593 | |
|---|
| 594 | call CICE_Finalize |
|---|
| 595 | |
|---|
| 596 | END SUBROUTINE cice_sbc_final |
|---|
| 597 | |
|---|
| 598 | SUBROUTINE cice_sbc_force (kt) |
|---|
| 599 | !!--------------------------------------------------------------------- |
|---|
| 600 | !! *** ROUTINE cice_sbc_force *** |
|---|
| 601 | !! ** Purpose : Provide CICE forcing from files |
|---|
| 602 | !! |
|---|
| 603 | !!--------------------------------------------------------------------- |
|---|
| 604 | !! ** Method : READ monthly flux file in NetCDF files |
|---|
| 605 | !! |
|---|
| 606 | !! snowfall |
|---|
| 607 | !! rainfall |
|---|
| 608 | !! sublimation rate |
|---|
| 609 | !! topmelt (category) |
|---|
| 610 | !! botmelt (category) |
|---|
| 611 | !! |
|---|
| 612 | !! History : |
|---|
| 613 | !!---------------------------------------------------------------------- |
|---|
| 614 | !! * Modules used |
|---|
| 615 | USE iom |
|---|
| 616 | |
|---|
| 617 | !! * arguments |
|---|
| 618 | INTEGER, INTENT( in ) :: kt ! ocean time step |
|---|
| 619 | |
|---|
| 620 | INTEGER :: ierror ! return error code |
|---|
| 621 | INTEGER :: ifpr ! dummy loop index |
|---|
| 622 | !! |
|---|
| 623 | CHARACTER(len=100) :: cn_dir ! Root directory for location of CICE forcing files |
|---|
| 624 | TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read |
|---|
| 625 | TYPE(FLD_N) :: sn_snow, sn_rain, sn_sblm ! informations about the fields to be read |
|---|
| 626 | TYPE(FLD_N) :: sn_top1, sn_top2, sn_top3, sn_top4, sn_top5 |
|---|
| 627 | TYPE(FLD_N) :: sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
|---|
| 628 | |
|---|
| 629 | !! |
|---|
| 630 | NAMELIST/namsbc_cice/ cn_dir, sn_snow, sn_rain, sn_sblm, & |
|---|
| 631 | & sn_top1, sn_top2, sn_top3, sn_top4, sn_top5, & |
|---|
| 632 | & sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
|---|
| 633 | !!--------------------------------------------------------------------- |
|---|
| 634 | |
|---|
| 635 | ! ! ====================== ! |
|---|
| 636 | IF( kt == nit000 ) THEN ! First call kt=nit000 ! |
|---|
| 637 | ! ! ====================== ! |
|---|
| 638 | ! set file information (default values) |
|---|
| 639 | cn_dir = './' ! directory in which the model is executed |
|---|
| 640 | |
|---|
| 641 | ! (NB: frequency positive => hours, negative => months) |
|---|
| 642 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
|---|
| 643 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
|---|
| 644 | sn_snow = FLD_N( 'snowfall_1m' , -1. , 'snowfall' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 645 | sn_rain = FLD_N( 'rainfall_1m' , -1. , 'rainfall' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 646 | sn_sblm = FLD_N( 'sublim_1m' , -1. , 'sublim' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 647 | sn_top1 = FLD_N( 'topmeltn1_1m' , -1. , 'topmeltn1' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 648 | sn_top2 = FLD_N( 'topmeltn2_1m' , -1. , 'topmeltn2' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 649 | sn_top3 = FLD_N( 'topmeltn3_1m' , -1. , 'topmeltn3' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 650 | sn_top4 = FLD_N( 'topmeltn4_1m' , -1. , 'topmeltn4' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 651 | sn_top5 = FLD_N( 'topmeltn5_1m' , -1. , 'topmeltn5' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 652 | sn_bot1 = FLD_N( 'botmeltn1_1m' , -1. , 'botmeltn1' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 653 | sn_bot2 = FLD_N( 'botmeltn2_1m' , -1. , 'botmeltn2' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 654 | sn_bot3 = FLD_N( 'botmeltn3_1m' , -1. , 'botmeltn3' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 655 | sn_bot4 = FLD_N( 'botmeltn4_1m' , -1. , 'botmeltn4' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 656 | sn_bot5 = FLD_N( 'botmeltn5_1m' , -1. , 'botmeltn5' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 657 | |
|---|
| 658 | ! REWIND ( numnam ) ! ... at some point might read in from NEMO namelist? |
|---|
| 659 | ! READ ( numnam, namsbc_cice ) |
|---|
| 660 | |
|---|
| 661 | ! store namelist information in an array |
|---|
| 662 | slf_i(jp_snow) = sn_snow ; slf_i(jp_rain) = sn_rain ; slf_i(jp_sblm) = sn_sblm |
|---|
| 663 | slf_i(jp_top1) = sn_top1 ; slf_i(jp_top2) = sn_top2 ; slf_i(jp_top3) = sn_top3 |
|---|
| 664 | slf_i(jp_top4) = sn_top4 ; slf_i(jp_top5) = sn_top5 ; slf_i(jp_bot1) = sn_bot1 |
|---|
| 665 | slf_i(jp_bot2) = sn_bot2 ; slf_i(jp_bot3) = sn_bot3 ; slf_i(jp_bot4) = sn_bot4 |
|---|
| 666 | slf_i(jp_bot5) = sn_bot5 |
|---|
| 667 | |
|---|
| 668 | ! set sf structure |
|---|
| 669 | ALLOCATE( sf(jpfld), STAT=ierror ) |
|---|
| 670 | IF( ierror > 0 ) THEN |
|---|
| 671 | CALL ctl_stop( 'cice_sbc_force: unable to allocate sf structure' ) ; RETURN |
|---|
| 672 | ENDIF |
|---|
| 673 | |
|---|
| 674 | DO ifpr= 1, jpfld |
|---|
| 675 | ALLOCATE( sf(ifpr)%fnow(jpi,jpj,1) ) |
|---|
| 676 | ALLOCATE( sf(ifpr)%fdta(jpi,jpj,1,2) ) |
|---|
| 677 | END DO |
|---|
| 678 | |
|---|
| 679 | ! fill sf with slf_i and control print |
|---|
| 680 | CALL fld_fill( sf, slf_i, cn_dir, 'cice_sbc_force', 'flux formulation for CICE', 'namsbc_cice' ) |
|---|
| 681 | ! |
|---|
| 682 | ENDIF |
|---|
| 683 | |
|---|
| 684 | CALL fld_read( kt, nn_fsbc, sf ) ! Read input fields and provides the |
|---|
| 685 | ! ! input fields at the current time-step |
|---|
| 686 | |
|---|
| 687 | ! set the fluxes from read fields |
|---|
| 688 | sprecip(:,:) = sf(jp_snow)%fnow(:,:,1) |
|---|
| 689 | tprecip(:,:) = sf(jp_snow)%fnow(:,:,1)+sf(jp_rain)%fnow(:,:,1) |
|---|
| 690 | ! May be better to do this conversion somewhere else |
|---|
| 691 | qla_ice(:,:,1) = -Lsub*sf(jp_sblm)%fnow(:,:,1) |
|---|
| 692 | topmelt(:,:,1) = sf(jp_top1)%fnow(:,:,1) |
|---|
| 693 | topmelt(:,:,2) = sf(jp_top2)%fnow(:,:,1) |
|---|
| 694 | topmelt(:,:,3) = sf(jp_top3)%fnow(:,:,1) |
|---|
| 695 | topmelt(:,:,4) = sf(jp_top4)%fnow(:,:,1) |
|---|
| 696 | topmelt(:,:,5) = sf(jp_top5)%fnow(:,:,1) |
|---|
| 697 | botmelt(:,:,1) = sf(jp_bot1)%fnow(:,:,1) |
|---|
| 698 | botmelt(:,:,2) = sf(jp_bot2)%fnow(:,:,1) |
|---|
| 699 | botmelt(:,:,3) = sf(jp_bot3)%fnow(:,:,1) |
|---|
| 700 | botmelt(:,:,4) = sf(jp_bot4)%fnow(:,:,1) |
|---|
| 701 | botmelt(:,:,5) = sf(jp_bot5)%fnow(:,:,1) |
|---|
| 702 | |
|---|
| 703 | ! control print (if less than 100 time-step asked) |
|---|
| 704 | IF( nitend-nit000 <= 100 .AND. lwp ) THEN |
|---|
| 705 | WRITE(numout,*) |
|---|
| 706 | WRITE(numout,*) ' read forcing fluxes for CICE OK' |
|---|
| 707 | CALL FLUSH(numout) |
|---|
| 708 | ENDIF |
|---|
| 709 | |
|---|
| 710 | END SUBROUTINE cice_sbc_force |
|---|
| 711 | |
|---|
| 712 | SUBROUTINE nemo2cice( pn, pc, cd_type, psgn) |
|---|
| 713 | !!--------------------------------------------------------------------- |
|---|
| 714 | !! *** ROUTINE nemo2cice *** |
|---|
| 715 | !! ** Purpose : Transfer field in NEMO array to field in CICE array. |
|---|
| 716 | #if defined key_nemocice_decomp |
|---|
| 717 | !! |
|---|
| 718 | !! NEMO and CICE PE sub domains are identical, hence |
|---|
| 719 | !! there is no need to gather or scatter data from |
|---|
| 720 | !! one PE configuration to another. |
|---|
| 721 | #else |
|---|
| 722 | !! Automatically gather/scatter between |
|---|
| 723 | !! different processors and blocks |
|---|
| 724 | !! ** Method : A. Ensure all haloes are filled in NEMO field (pn) |
|---|
| 725 | !! B. Gather pn into global array (png) |
|---|
| 726 | !! C. Map png into CICE global array (pcg) |
|---|
| 727 | !! D. Scatter pcg to CICE blocks (pc) + update haloes |
|---|
| 728 | #endif |
|---|
| 729 | !!--------------------------------------------------------------------- |
|---|
| 730 | |
|---|
| 731 | CHARACTER(len=1), INTENT( in ) :: & |
|---|
| 732 | cd_type ! nature of pn grid-point |
|---|
| 733 | ! ! = T or F gridpoints |
|---|
| 734 | REAL(wp), INTENT( in ) :: & |
|---|
| 735 | psgn ! control of the sign change |
|---|
| 736 | ! ! =-1 , the sign is modified following the type of b.c. used |
|---|
| 737 | ! ! = 1 , no sign change |
|---|
| 738 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
|---|
| 739 | #if !defined key_nemocice_decomp |
|---|
| 740 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
|---|
| 741 | #endif |
|---|
| 742 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
|---|
| 743 | INTEGER (int_kind) :: & |
|---|
| 744 | field_type, &! id for type of field (scalar, vector, angle) |
|---|
| 745 | grid_loc ! id for location on horizontal grid |
|---|
| 746 | ! (center, NEcorner, Nface, Eface) |
|---|
| 747 | |
|---|
| 748 | INTEGER :: ji, jj, jn ! dummy loop indices |
|---|
| 749 | |
|---|
| 750 | ! A. Ensure all haloes are filled in NEMO field (pn) |
|---|
| 751 | |
|---|
| 752 | CALL lbc_lnk( pn , cd_type, psgn ) |
|---|
| 753 | |
|---|
| 754 | #if defined key_nemocice_decomp |
|---|
| 755 | |
|---|
| 756 | ! Copy local domain data from NEMO to CICE field |
|---|
| 757 | pc(:,:,1)=0.0 |
|---|
| 758 | DO jj=2,ny_block |
|---|
| 759 | DO ji=2,nx_block |
|---|
| 760 | pc(ji,jj,1)=pn(ji,jj-1) |
|---|
| 761 | ENDDO |
|---|
| 762 | ENDDO |
|---|
| 763 | |
|---|
| 764 | #else |
|---|
| 765 | |
|---|
| 766 | ! B. Gather pn into global array (png) |
|---|
| 767 | |
|---|
| 768 | IF ( jpnij > 1) THEN |
|---|
| 769 | CALL mppsync |
|---|
| 770 | CALL mppgather (pn,0,png) |
|---|
| 771 | CALL mppsync |
|---|
| 772 | ELSE |
|---|
| 773 | png(:,:,1)=pn(:,:) |
|---|
| 774 | ENDIF |
|---|
| 775 | |
|---|
| 776 | ! C. Map png into CICE global array (pcg) |
|---|
| 777 | |
|---|
| 778 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
|---|
| 779 | ! (may be OK but not 100% sure) |
|---|
| 780 | |
|---|
| 781 | IF (nproc==0) THEN |
|---|
| 782 | ! pcg(:,:)=0.0 |
|---|
| 783 | DO jn=1,jpnij |
|---|
| 784 | DO jj=1,nlcjt(jn)-1 |
|---|
| 785 | DO ji=2,nlcit(jn)-1 |
|---|
| 786 | pcg(ji+nimppt(jn)-2,jj+njmppt(jn)-1)=png(ji,jj,jn) |
|---|
| 787 | ENDDO |
|---|
| 788 | ENDDO |
|---|
| 789 | ENDDO |
|---|
| 790 | ENDIF |
|---|
| 791 | |
|---|
| 792 | #endif |
|---|
| 793 | |
|---|
| 794 | SELECT CASE ( cd_type ) |
|---|
| 795 | CASE ( 'T' ) |
|---|
| 796 | grid_loc=field_loc_center |
|---|
| 797 | CASE ( 'F' ) |
|---|
| 798 | grid_loc=field_loc_NEcorner |
|---|
| 799 | END SELECT |
|---|
| 800 | |
|---|
| 801 | SELECT CASE ( NINT(psgn) ) |
|---|
| 802 | CASE ( -1 ) |
|---|
| 803 | field_type=field_type_vector |
|---|
| 804 | CASE ( 1 ) |
|---|
| 805 | field_type=field_type_scalar |
|---|
| 806 | END SELECT |
|---|
| 807 | |
|---|
| 808 | #if defined key_nemocice_decomp |
|---|
| 809 | ! Ensure CICE halos are up to date |
|---|
| 810 | call ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
|---|
| 811 | #else |
|---|
| 812 | ! D. Scatter pcg to CICE blocks (pc) + update halos |
|---|
| 813 | call scatter_global(pc, pcg, 0, distrb_info, grid_loc, field_type) |
|---|
| 814 | #endif |
|---|
| 815 | |
|---|
| 816 | END SUBROUTINE nemo2cice |
|---|
| 817 | |
|---|
| 818 | SUBROUTINE cice2nemo ( pc, pn, cd_type, psgn ) |
|---|
| 819 | !!--------------------------------------------------------------------- |
|---|
| 820 | !! *** ROUTINE cice2nemo *** |
|---|
| 821 | !! ** Purpose : Transfer field in CICE array to field in NEMO array. |
|---|
| 822 | #if defined key_nemocice_decomp |
|---|
| 823 | !! |
|---|
| 824 | !! NEMO and CICE PE sub domains are identical, hence |
|---|
| 825 | !! there is no need to gather or scatter data from |
|---|
| 826 | !! one PE configuration to another. |
|---|
| 827 | #else |
|---|
| 828 | !! Automatically deal with scatter/gather between |
|---|
| 829 | !! different processors and blocks |
|---|
| 830 | !! ** Method : A. Gather CICE blocks (pc) into global array (pcg) |
|---|
| 831 | !! B. Map pcg into NEMO global array (png) |
|---|
| 832 | !! C. Scatter png into NEMO field (pn) for each processor |
|---|
| 833 | !! D. Ensure all haloes are filled in pn |
|---|
| 834 | #endif |
|---|
| 835 | !!--------------------------------------------------------------------- |
|---|
| 836 | |
|---|
| 837 | CHARACTER(len=1), INTENT( in ) :: & |
|---|
| 838 | cd_type ! nature of pn grid-point |
|---|
| 839 | ! ! = T or F gridpoints |
|---|
| 840 | REAL(wp), INTENT( in ) :: & |
|---|
| 841 | psgn ! control of the sign change |
|---|
| 842 | ! ! =-1 , the sign is modified following the type of b.c. used |
|---|
| 843 | ! ! = 1 , no sign change |
|---|
| 844 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
|---|
| 845 | |
|---|
| 846 | #if defined key_nemocice_decomp |
|---|
| 847 | INTEGER (int_kind) :: & |
|---|
| 848 | field_type, & ! id for type of field (scalar, vector, angle) |
|---|
| 849 | grid_loc ! id for location on horizontal grid |
|---|
| 850 | ! (center, NEcorner, Nface, Eface) |
|---|
| 851 | #else |
|---|
| 852 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
|---|
| 853 | #endif |
|---|
| 854 | |
|---|
| 855 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
|---|
| 856 | |
|---|
| 857 | INTEGER :: ji, jj, jn ! dummy loop indices |
|---|
| 858 | |
|---|
| 859 | |
|---|
| 860 | #if defined key_nemocice_decomp |
|---|
| 861 | |
|---|
| 862 | SELECT CASE ( cd_type ) |
|---|
| 863 | CASE ( 'T' ) |
|---|
| 864 | grid_loc=field_loc_center |
|---|
| 865 | CASE ( 'F' ) |
|---|
| 866 | grid_loc=field_loc_NEcorner |
|---|
| 867 | END SELECT |
|---|
| 868 | |
|---|
| 869 | SELECT CASE ( NINT(psgn) ) |
|---|
| 870 | CASE ( -1 ) |
|---|
| 871 | field_type=field_type_vector |
|---|
| 872 | CASE ( 1 ) |
|---|
| 873 | field_type=field_type_scalar |
|---|
| 874 | END SELECT |
|---|
| 875 | |
|---|
| 876 | call ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
|---|
| 877 | |
|---|
| 878 | |
|---|
| 879 | pn(:,:)=0.0 |
|---|
| 880 | DO jj=1,jpjm1 |
|---|
| 881 | DO ji=1,jpim1 |
|---|
| 882 | pn(ji,jj)=pc(ji,jj+1,1) |
|---|
| 883 | ENDDO |
|---|
| 884 | ENDDO |
|---|
| 885 | |
|---|
| 886 | #else |
|---|
| 887 | |
|---|
| 888 | ! A. Gather CICE blocks (pc) into global array (pcg) |
|---|
| 889 | |
|---|
| 890 | call gather_global(pcg, pc, 0, distrb_info) |
|---|
| 891 | |
|---|
| 892 | ! B. Map pcg into NEMO global array (png) |
|---|
| 893 | |
|---|
| 894 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
|---|
| 895 | ! (may be OK but not spent much time thinking about it) |
|---|
| 896 | |
|---|
| 897 | IF (nproc==0) THEN |
|---|
| 898 | png(:,:,:)=0.0 |
|---|
| 899 | DO jn=1,jpnij |
|---|
| 900 | DO jj=1,nlcjt(jn)-1 |
|---|
| 901 | DO ji=2,nlcit(jn)-1 |
|---|
| 902 | png(ji,jj,jn)=pcg(ji+nimppt(jn)-2,jj+njmppt(jn)-1) |
|---|
| 903 | ENDDO |
|---|
| 904 | ENDDO |
|---|
| 905 | ENDDO |
|---|
| 906 | ENDIF |
|---|
| 907 | |
|---|
| 908 | ! C. Scatter png into NEMO field (pn) for each processor |
|---|
| 909 | |
|---|
| 910 | IF ( jpnij > 1) THEN |
|---|
| 911 | CALL mppsync |
|---|
| 912 | CALL mppscatter (png,0,pn) |
|---|
| 913 | CALL mppsync |
|---|
| 914 | ELSE |
|---|
| 915 | pn(:,:)=png(:,:,1) |
|---|
| 916 | ENDIF |
|---|
| 917 | |
|---|
| 918 | #endif |
|---|
| 919 | |
|---|
| 920 | ! D. Ensure all haloes are filled in pn |
|---|
| 921 | |
|---|
| 922 | CALL lbc_lnk( pn , cd_type, psgn ) |
|---|
| 923 | |
|---|
| 924 | END SUBROUTINE cice2nemo |
|---|
| 925 | |
|---|
| 926 | #else |
|---|
| 927 | !!---------------------------------------------------------------------- |
|---|
| 928 | !! Default option Dummy module NO CICE sea-ice model |
|---|
| 929 | !!---------------------------------------------------------------------- |
|---|
| 930 | CONTAINS |
|---|
| 931 | |
|---|
| 932 | SUBROUTINE sbc_ice_cice ( kt, nsbc ) ! Dummy routine |
|---|
| 933 | WRITE(*,*) 'sbc_ice_cice: You should not have seen this print! error?', kt |
|---|
| 934 | END SUBROUTINE sbc_ice_cice |
|---|
| 935 | |
|---|
| 936 | SUBROUTINE cice_sbc_init (nsbc) ! Dummy routine |
|---|
| 937 | WRITE(*,*) 'cice_sbc_init: You should not have seen this print! error?' |
|---|
| 938 | END SUBROUTINE cice_sbc_init |
|---|
| 939 | |
|---|
| 940 | SUBROUTINE cice_sbc_final ! Dummy routine |
|---|
| 941 | WRITE(*,*) 'cice_sbc_final: You should not have seen this print! error?' |
|---|
| 942 | END SUBROUTINE cice_sbc_final |
|---|
| 943 | |
|---|
| 944 | #endif |
|---|
| 945 | |
|---|
| 946 | !!====================================================================== |
|---|
| 947 | END MODULE sbcice_cice |
|---|
