| 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 daymod ! calendar |
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| 21 | USE fldread ! read input fields |
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| 22 | |
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| 23 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 24 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 25 | USE sbcblk_core ! Surface boundary condition: CORE bulk |
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| 26 | USE sbccpl |
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| 27 | |
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| 28 | USE ice_kinds_mod |
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| 29 | USE ice_blocks |
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| 30 | USE ice_domain |
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| 31 | USE ice_domain_size |
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| 32 | USE ice_boundary |
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| 33 | USE ice_constants |
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| 34 | USE ice_gather_scatter |
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| 35 | USE ice_calendar, only: dt |
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| 36 | USE ice_state, only: aice,aicen,uvel,vvel,vsnon,vicen |
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| 37 | USE ice_flux, only: strax,stray,strocnx,strocny,frain,fsnow, & |
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| 38 | sst,sss,uocn,vocn,fsalt_gbm,fresh_gbm, & |
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| 39 | fhocn_gbm,fswthru_gbm,frzmlt, & |
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| 40 | flatn_f,fsurfn_f,fcondtopn_f, & |
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| 41 | uatm,vatm,wind,fsw,flw,Tair,potT,Qa,rhoa,zlvl, & |
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| 42 | swvdr,swvdf,swidr,swidf |
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| 43 | USE ice_forcing, only: frcvdr,frcvdf,frcidr,frcidf |
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| 44 | |
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| 45 | USE CICE_InitMod |
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| 46 | USE CICE_RunMod |
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| 47 | USE CICE_FinalMod |
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| 48 | |
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| 49 | IMPLICIT NONE |
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| 50 | PRIVATE |
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| 51 | |
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| 52 | !! * Routine accessibility |
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| 53 | PUBLIC cice_sbc_init ! routine called by sbc_init |
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| 54 | PUBLIC cice_sbc_final ! routine called by sbc_final |
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| 55 | PUBLIC sbc_ice_cice ! routine called by sbc |
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| 56 | |
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| 57 | INTEGER , PARAMETER :: jpfld = 13 ! maximum number of files to read |
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| 58 | INTEGER , PARAMETER :: jp_snow = 1 ! index of snow file |
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| 59 | INTEGER , PARAMETER :: jp_rain = 2 ! index of rain file |
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| 60 | INTEGER , PARAMETER :: jp_sblm = 3 ! index of sublimation file |
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| 61 | INTEGER , PARAMETER :: jp_top1 = 4 ! index of category 1 topmelt file |
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| 62 | INTEGER , PARAMETER :: jp_top2 = 5 ! index of category 2 topmelt file |
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| 63 | INTEGER , PARAMETER :: jp_top3 = 6 ! index of category 3 topmelt file |
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| 64 | INTEGER , PARAMETER :: jp_top4 = 7 ! index of category 4 topmelt file |
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| 65 | INTEGER , PARAMETER :: jp_top5 = 8 ! index of category 5 topmelt file |
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| 66 | INTEGER , PARAMETER :: jp_bot1 = 9 ! index of category 1 botmelt file |
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| 67 | INTEGER , PARAMETER :: jp_bot2 = 10 ! index of category 2 botmelt file |
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| 68 | INTEGER , PARAMETER :: jp_bot3 = 11 ! index of category 3 botmelt file |
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| 69 | INTEGER , PARAMETER :: jp_bot4 = 12 ! index of category 4 botmelt file |
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| 70 | INTEGER , PARAMETER :: jp_bot5 = 13 ! index of category 5 botmelt file |
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| 71 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf ! structure of input fields (file informations, fields read) |
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| 72 | |
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| 73 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:), PRIVATE :: png ! local array used in sbc_cice_ice |
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| 74 | |
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| 75 | !! * Substitutions |
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| 76 | # include "domzgr_substitute.h90" |
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| 77 | |
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| 78 | CONTAINS |
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| 79 | |
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| 80 | INTEGER FUNCTION sbc_ice_cice_alloc() |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | !! *** FUNCTION sbc_ice_cice_alloc *** |
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| 83 | !!---------------------------------------------------------------------- |
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| 84 | ALLOCATE( png(jpi,jpj,jpnij), STAT=sbc_ice_cice_alloc ) |
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| 85 | IF( lk_mpp ) CALL mpp_sum ( sbc_ice_cice_alloc ) |
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| 86 | IF( sbc_ice_cice_alloc > 0 ) CALL ctl_warn('sbc_ice_cice_alloc: allocation of arrays failed.') |
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| 87 | END FUNCTION sbc_ice_cice_alloc |
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| 88 | |
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| 89 | SUBROUTINE sbc_ice_cice( kt, nsbc ) |
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| 90 | !!--------------------------------------------------------------------- |
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| 91 | !! *** ROUTINE sbc_ice_cice *** |
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| 92 | !! |
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| 93 | !! ** Purpose : update the ocean surface boundary condition via the |
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| 94 | !! CICE Sea Ice Model time stepping |
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| 95 | !! |
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| 96 | !! ** Method : - Get any extra forcing fields for CICE |
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| 97 | !! - Prepare forcing fields |
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| 98 | !! - CICE model time stepping |
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| 99 | !! - call the routine that computes mass and |
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| 100 | !! heat fluxes at the ice/ocean interface |
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| 101 | !! |
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| 102 | !! ** Action : - time evolution of the CICE sea-ice model |
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| 103 | !! - update all sbc variables below sea-ice: |
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| 104 | !! utau, vtau, qns , qsr, emp , emps |
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| 105 | !!--------------------------------------------------------------------- |
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| 106 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 107 | INTEGER, INTENT(in) :: nsbc ! surface forcing type |
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| 108 | !!---------------------------------------------------------------------- |
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| 109 | |
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| 110 | ! !----------------------! |
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| 111 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN ! Ice time-step only ! |
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| 112 | ! !----------------------! |
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| 113 | |
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| 114 | ! Make sure any fluxes required for CICE are set |
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| 115 | IF ( nsbc == 2 ) THEN |
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| 116 | CALL cice_sbc_force(kt) |
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| 117 | ELSE IF ( nsbc == 5 ) THEN |
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| 118 | CALL sbc_cpl_ice_flx( 1.0-fr_i ) |
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| 119 | ENDIF |
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| 120 | |
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| 121 | CALL cice_sbc_in ( kt, nsbc ) |
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| 122 | CALL CICE_Run |
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| 123 | CALL cice_sbc_out ( kt, nsbc ) |
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| 124 | |
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| 125 | IF ( nsbc == 5 ) CALL cice_sbc_hadgam(kt+1) |
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| 126 | |
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| 127 | ENDIF ! End sea-ice time step only |
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| 128 | |
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| 129 | END SUBROUTINE sbc_ice_cice |
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| 130 | |
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| 131 | SUBROUTINE cice_sbc_init (nsbc) |
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| 132 | !!--------------------------------------------------------------------- |
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| 133 | !! *** ROUTINE cice_sbc_init *** |
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| 134 | !! ** Purpose: Initialise ice related fields for NEMO and coupling |
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| 135 | !! |
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| 136 | INTEGER, INTENT( in ) :: nsbc ! surface forcing type |
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| 137 | !!--------------------------------------------------------------------- |
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| 138 | |
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| 139 | INTEGER :: ji, jj, jpl ! dummy loop indices |
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| 140 | |
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| 141 | IF(lwp) WRITE(numout,*)'cice_sbc_init' |
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| 142 | |
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| 143 | ! Initialize CICE |
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| 144 | call CICE_Initialize |
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| 145 | |
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| 146 | ! allocate sbc_ice and sbc_cice arrays |
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| 147 | IF( sbc_ice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_cice_alloc : unable to allocate arrays' ) |
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| 148 | IF( sbc_ice_cice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_cice_alloc : unable to allocate cice arrays' ) |
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| 149 | |
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| 150 | ! Ensure ocean temperatures are nowhere below freezing if not a NEMO restart |
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| 151 | IF( .NOT. ln_rstart ) THEN |
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| 152 | tsn(:,:,:,jp_tem) = MAX (tsn(:,:,:,jp_tem),Tocnfrz) |
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| 153 | tsb(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) |
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| 154 | tn(:,:,:) = MAX (tn(:,:,:),Tocnfrz) |
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| 155 | tb(:,:,:) = tn(:,:,:) |
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| 156 | ENDIF |
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| 157 | |
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| 158 | fr_iu(:,:)=0.0 |
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| 159 | fr_iv(:,:)=0.0 |
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| 160 | |
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| 161 | CALL cice2nemo(aice,fr_i, 'T', 1. ) |
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| 162 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
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| 163 | DO jpl=1,ncat |
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| 164 | CALL cice2nemo(aicen(:,:,jpl,:),a_i(:,:,jpl), 'T', 1. ) |
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| 165 | ENDDO |
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| 166 | ENDIF |
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| 167 | |
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| 168 | ! T point to U point |
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| 169 | ! T point to V point |
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| 170 | DO jj=1,jpjm1 |
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| 171 | DO ji=1,jpim1 |
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| 172 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
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| 173 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
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| 174 | ENDDO |
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| 175 | ENDDO |
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| 176 | |
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| 177 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
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| 178 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
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| 179 | |
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| 180 | |
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| 181 | END SUBROUTINE cice_sbc_init |
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| 182 | |
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| 183 | SUBROUTINE cice_sbc_in (kt, nsbc) |
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| 184 | !!--------------------------------------------------------------------- |
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| 185 | !! *** ROUTINE cice_sbc_in *** |
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| 186 | !! ** Purpose: Set coupling fields and pass to CICE |
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| 187 | !! |
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| 188 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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| 189 | USE wrk_nemo, ONLY: wrk_2d_1, wrk_3d_1 ! Workspace |
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| 190 | !! |
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| 191 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 192 | INTEGER, INTENT( in ) :: nsbc ! surface forcing type |
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| 193 | !!--------------------------------------------------------------------- |
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| 194 | INTEGER :: ji, jj, jpl ! dummy loop indices |
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| 195 | |
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| 196 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp |
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| 197 | REAL(wp), DIMENSION(:,:,:), POINTER :: ztmpn |
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| 198 | |
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| 199 | IF( wrk_in_use(2, 1) .OR. wrk_in_use(3, 1) ) THEN |
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| 200 | CALL ctl_stop('cice_sbc_in: requested workspace arrays are unavailable') ; RETURN |
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| 201 | ENDIF |
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| 202 | ztmp => wrk_2d_1(:,:) |
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| 203 | ztmpn => wrk_3d_1(:,:,1:ncat) |
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| 204 | |
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| 205 | IF( kt == nit000 ) THEN |
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| 206 | IF(lwp) WRITE(numout,*)'cice_sbc_in' |
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| 207 | ENDIF |
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| 208 | |
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| 209 | ztmp(:,:)=0.0 |
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| 210 | |
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| 211 | ! Aggregate ice concentration already set in cice_sbc_out (or cice_sbc_init on |
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| 212 | ! the first time-step) |
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| 213 | |
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| 214 | ! forced and coupled case |
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| 215 | |
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| 216 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
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| 217 | |
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| 218 | ztmpn(:,:,:)=0.0 |
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| 219 | |
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| 220 | ! x comp of wind stress (CI_1) |
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| 221 | ! U point to F point |
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| 222 | DO jj=1,jpjm1 |
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| 223 | DO ji=1,jpi |
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| 224 | ztmp(ji,jj)=0.5*(fr_iu(ji,jj)*utau(ji,jj) & |
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| 225 | +fr_iu(ji,jj+1)*utau(ji,jj+1))*fmask(ji,jj,1) |
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| 226 | ENDDO |
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| 227 | ENDDO |
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| 228 | CALL nemo2cice(ztmp,strax,'F', -1. ) |
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| 229 | |
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| 230 | ! y comp of wind stress (CI_2) |
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| 231 | ! V point to F point |
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| 232 | DO jj=1,jpj |
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| 233 | DO ji=1,jpim1 |
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| 234 | ztmp(ji,jj)=0.5*(fr_iv(ji,jj)*vtau(ji,jj) & |
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| 235 | +fr_iv(ji+1,jj)*vtau(ji+1,jj))*fmask(ji,jj,1) |
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| 236 | ENDDO |
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| 237 | ENDDO |
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| 238 | CALL nemo2cice(ztmp,stray,'F', -1. ) |
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| 239 | |
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| 240 | ! Surface downward latent heat flux (CI_5) |
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| 241 | IF (nsbc == 2) THEN |
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| 242 | DO jpl=1,ncat |
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| 243 | ztmpn(:,:,jpl)=qla_ice(:,:,1)*a_i(:,:,jpl) |
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| 244 | ENDDO |
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| 245 | ELSE |
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| 246 | ! emp_ice is set in sbc_cpl_ice_flx as sublimation-snow |
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| 247 | qla_ice(:,:,1)= - ( emp_ice(:,:)+sprecip(:,:) ) * Lsub |
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| 248 | ! End of temporary code |
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| 249 | DO jj=1,jpj |
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| 250 | DO ji=1,jpi |
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| 251 | IF (fr_i(ji,jj).eq.0.0) THEN |
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| 252 | DO jpl=1,ncat |
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| 253 | ztmpn(ji,jj,jpl)=0.0 |
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| 254 | ENDDO |
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| 255 | ! This will then be conserved in CICE |
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| 256 | ztmpn(ji,jj,1)=qla_ice(ji,jj,1) |
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| 257 | ELSE |
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| 258 | DO jpl=1,ncat |
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| 259 | ztmpn(ji,jj,jpl)=qla_ice(ji,jj,1)*a_i(ji,jj,jpl)/fr_i(ji,jj) |
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| 260 | ENDDO |
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| 261 | ENDIF |
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| 262 | ENDDO |
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| 263 | ENDDO |
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| 264 | ENDIF |
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| 265 | DO jpl=1,ncat |
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| 266 | CALL nemo2cice(ztmpn(:,:,jpl),flatn_f(:,:,jpl,:),'T', 1. ) |
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| 267 | |
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| 268 | ! GBM conductive flux through ice (CI_6) |
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| 269 | ! Convert to GBM |
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| 270 | IF (nsbc == 2) THEN |
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| 271 | ztmp(:,:) = botmelt(:,:,jpl)*a_i(:,:,jpl) |
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| 272 | ELSE |
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| 273 | ztmp(:,:) = botmelt(:,:,jpl) |
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| 274 | ENDIF |
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| 275 | CALL nemo2cice(ztmp,fcondtopn_f(:,:,jpl,:),'T', 1. ) |
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| 276 | |
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| 277 | ! GBM surface heat flux (CI_7) |
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| 278 | ! Convert to GBM |
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| 279 | IF (nsbc == 2) THEN |
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| 280 | ztmp(:,:) = (topmelt(:,:,jpl)+botmelt(:,:,jpl))*a_i(:,:,jpl) |
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| 281 | ELSE |
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| 282 | ztmp(:,:) = (topmelt(:,:,jpl)+botmelt(:,:,jpl)) |
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| 283 | ENDIF |
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| 284 | CALL nemo2cice(ztmp,fsurfn_f(:,:,jpl,:),'T', 1. ) |
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| 285 | ENDDO |
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| 286 | |
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| 287 | ELSE IF (nsbc == 4) THEN |
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| 288 | |
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| 289 | ! Pass CORE forcing fields to CICE (which will calculate heat fluxes etc itself) |
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| 290 | ! x comp and y comp of atmosphere surface wind (CICE expects on T points) |
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| 291 | ztmp(:,:) = wndi_ice(:,:) |
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| 292 | CALL nemo2cice(ztmp,uatm,'T', -1. ) |
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| 293 | ztmp(:,:) = wndj_ice(:,:) |
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| 294 | CALL nemo2cice(ztmp,vatm,'T', -1. ) |
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| 295 | ztmp(:,:) = SQRT ( wndi_ice(:,:)**2 + wndj_ice(:,:)**2 ) |
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| 296 | CALL nemo2cice(ztmp,wind,'T', 1. ) ! Wind speed (m/s) |
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| 297 | ztmp(:,:) = qsr_ice(:,:,1) |
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| 298 | CALL nemo2cice(ztmp,fsw,'T', 1. ) ! Incoming short-wave (W/m^2) |
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| 299 | ztmp(:,:) = qlw_ice(:,:,1) |
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| 300 | CALL nemo2cice(ztmp,flw,'T', 1. ) ! Incoming long-wave (W/m^2) |
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| 301 | ztmp(:,:) = tatm_ice(:,:) |
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| 302 | CALL nemo2cice(ztmp,Tair,'T', 1. ) ! Air temperature (K) |
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| 303 | CALL nemo2cice(ztmp,potT,'T', 1. ) ! Potential temp (K) |
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| 304 | ! Following line uses MAX(....) to avoid problems if tatm_ice has unset halo rows |
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| 305 | ztmp(:,:) = 101000. / ( 287.04 * MAX(1.0,tatm_ice(:,:)) ) |
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| 306 | ! Constant (101000.) atm pressure assumed |
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| 307 | CALL nemo2cice(ztmp,rhoa,'T', 1. ) ! Air density (kg/m^3) |
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| 308 | ztmp(:,:) = qatm_ice(:,:) |
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| 309 | CALL nemo2cice(ztmp,Qa,'T', 1. ) ! Specific humidity (kg/kg) |
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| 310 | ztmp(:,:)=10.0 |
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| 311 | CALL nemo2cice(ztmp,zlvl,'T', 1. ) ! Atmos level height (m) |
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| 312 | |
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| 313 | ! May want to check all values are physically realistic (as in CICE routine |
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| 314 | ! prepare_forcing)? |
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| 315 | |
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| 316 | ! Divide shortwave into spectral bands (as in prepare_forcing) |
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| 317 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdr ! visible direct |
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| 318 | CALL nemo2cice(ztmp,swvdr,'T', 1. ) |
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| 319 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdf ! visible diffuse |
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| 320 | CALL nemo2cice(ztmp,swvdf,'T', 1. ) |
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| 321 | ztmp(:,:)=qsr_ice(:,:,1)*frcidr ! near IR direct |
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| 322 | CALL nemo2cice(ztmp,swidr,'T', 1. ) |
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| 323 | ztmp(:,:)=qsr_ice(:,:,1)*frcidf ! near IR diffuse |
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| 324 | CALL nemo2cice(ztmp,swidf,'T', 1. ) |
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| 325 | |
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| 326 | ENDIF |
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| 327 | |
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| 328 | ! Snowfall |
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| 329 | ! Ensure fsnow is positive (as in CICE routine prepare_forcing) |
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| 330 | ztmp(:,:)=MAX(fr_i(:,:)*sprecip(:,:),0.0) |
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| 331 | CALL nemo2cice(ztmp,fsnow,'T', 1. ) |
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| 332 | |
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| 333 | ! Rainfall |
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| 334 | ztmp(:,:)=fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
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| 335 | CALL nemo2cice(ztmp,frain,'T', 1. ) |
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| 336 | |
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| 337 | ! Freezing/melting potential |
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| 338 | ! Calculated over NEMO leapfrog timestep (hence 2*dt), so uses tb in |
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| 339 | ! frzmlt which is then applied in going from tb to ta. |
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| 340 | ! May be better using sst_m if not coupling to CICE every time-step |
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| 341 | |
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| 342 | ! nfrzmlt(:,:)=rau0*rcp*fse3t(:,:,1)*(Tocnfrz-sst_m(:,:))/(2.0*dt) |
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| 343 | nfrzmlt(:,:)=rau0*rcp*fse3t(:,:,1)*(Tocnfrz-tsb(:,:,1,jp_tem))/(2.0*dt) |
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| 344 | |
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| 345 | ztmp(:,:) = nfrzmlt(:,:) |
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| 346 | CALL nemo2cice(ztmp,frzmlt,'T', 1. ) |
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| 347 | |
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| 348 | ! SST and SSS |
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| 349 | |
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| 350 | CALL nemo2cice(sst_m,sst,'T', 1. ) |
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| 351 | CALL nemo2cice(sss_m,sss,'T', 1. ) |
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| 352 | |
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| 353 | ! x comp and y comp of surface ocean current |
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| 354 | ! U point to F point |
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| 355 | DO jj=1,jpjm1 |
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| 356 | DO ji=1,jpi |
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| 357 | ztmp(ji,jj)=0.5*(ssu_m(ji,jj)+ssu_m(ji,jj+1))*fmask(ji,jj,1) |
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| 358 | ENDDO |
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| 359 | ENDDO |
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| 360 | CALL nemo2cice(ztmp,uocn,'F', -1. ) |
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| 361 | |
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| 362 | ! V point to F point |
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| 363 | DO jj=1,jpj |
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| 364 | DO ji=1,jpim1 |
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| 365 | ztmp(ji,jj)=0.5*(ssv_m(ji,jj)+ssv_m(ji+1,jj))*fmask(ji,jj,1) |
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| 366 | ENDDO |
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| 367 | ENDDO |
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| 368 | CALL nemo2cice(ztmp,vocn,'F', -1. ) |
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| 369 | |
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| 370 | IF( wrk_not_released(2, 1) .OR. wrk_not_released(3, 1) ) CALL ctl_stop('cice_sbc_in: failed to release workspace arrays') |
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| 371 | ! |
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| 372 | END SUBROUTINE cice_sbc_in |
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| 373 | |
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| 374 | SUBROUTINE cice_sbc_out (kt,nsbc) |
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| 375 | !!--------------------------------------------------------------------- |
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| 376 | !! *** ROUTINE cice_sbc_out *** |
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| 377 | !! ** Purpose: Get fields from CICE and set surface fields for NEMO |
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| 378 | !! |
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| 379 | USE wrk_nemo, ONLY: wrk_in_use, wrk_not_released |
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| 380 | USE wrk_nemo, ONLY: wrk_2d_1 ! 2D workspace |
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| 381 | !! |
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| 382 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 383 | INTEGER, INTENT( in ) :: nsbc ! surface forcing type |
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| 384 | !!--------------------------------------------------------------------- |
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| 385 | |
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| 386 | INTEGER :: ji, jj, jpl ! dummy loop indices |
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| 387 | |
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| 388 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp |
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| 389 | |
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| 390 | IF( kt == nit000 ) THEN |
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| 391 | IF(lwp) WRITE(numout,*)'cice_sbc_out' |
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| 392 | ENDIF |
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| 393 | |
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| 394 | IF( wrk_in_use(2, 1) ) THEN |
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| 395 | CALL ctl_stop('cice_sbc_out: requested workspace arrays are unavailable') ; RETURN |
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| 396 | ENDIF |
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| 397 | ztmp => wrk_2d_1(:,:) |
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| 398 | |
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| 399 | ! x comp of ocean-ice stress |
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| 400 | CALL cice2nemo(strocnx,ztmp,'F', -1. ) |
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| 401 | ss_iou(:,:)=0.0 |
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| 402 | ! F point to U point |
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| 403 | DO jj=2,jpjm1 |
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| 404 | DO ji=2,jpim1 |
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| 405 | ss_iou(ji,jj)=0.5*( ztmp(ji,jj-1) + ztmp(ji,jj) ) * umask(ji,jj,1) |
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| 406 | ENDDO |
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| 407 | ENDDO |
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| 408 | CALL lbc_lnk( ss_iou , 'U', -1. ) |
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| 409 | |
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| 410 | ! y comp of ocean-ice stress |
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| 411 | CALL cice2nemo(strocny,ztmp,'F', -1. ) |
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| 412 | ss_iov(:,:)=0.0 |
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| 413 | ! F point to V point |
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| 414 | |
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| 415 | DO jj=1,jpjm1 |
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| 416 | DO ji=2,jpim1 |
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| 417 | ss_iov(ji,jj)=0.5*( ztmp(ji-1,jj) + ztmp(ji,jj) ) * vmask(ji,jj,1) |
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| 418 | ENDDO |
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| 419 | ENDDO |
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| 420 | CALL lbc_lnk( ss_iov , 'V', -1. ) |
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| 421 | |
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| 422 | ! x and y comps of surface stress |
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| 423 | ! Combine wind stress and ocean-ice stress |
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| 424 | ! [Note that fr_iu hasn't yet been updated, so still from start of CICE timestep] |
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| 425 | |
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| 426 | utau(:,:)=(1.0-fr_iu(:,:))*utau(:,:)-ss_iou(:,:) |
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| 427 | vtau(:,:)=(1.0-fr_iv(:,:))*vtau(:,:)-ss_iov(:,:) |
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| 428 | |
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| 429 | ! Freshwater fluxes |
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| 430 | |
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| 431 | IF (nsbc == 2) THEN |
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| 432 | ! Note that emp from the forcing files is evap*(1-aice)-(tprecip-aice*sprecip) |
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| 433 | ! What we want here is evap*(1-aice)-tprecip*(1-aice) hence manipulation below |
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| 434 | ! Not ideal since aice won't be the same as in the atmosphere. |
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| 435 | ! Better to use evap and tprecip? (but for now don't read in evap in this case) |
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| 436 | emp(:,:) = emp(:,:)+fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
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| 437 | ELSE IF (nsbc == 4) THEN |
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| 438 | emp(:,:) = (1.0-fr_i(:,:))*emp(:,:) |
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| 439 | ELSE IF (nsbc ==5) THEN |
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| 440 | ! emp_tot is set in sbc_cpl_ice_flx (call from cice_sbc_in above) |
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| 441 | emp(:,:) = emp_tot(:,:)+tprecip(:,:)*fr_i(:,:) |
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| 442 | ENDIF |
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| 443 | |
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| 444 | ! Subtract fluxes from CICE to get freshwater equivalent flux used in |
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| 445 | ! salinity calculation |
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| 446 | CALL cice2nemo(fresh_gbm,ztmp,'T', 1. ) |
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| 447 | emps(:,:)=emp(:,:)-ztmp(:,:) |
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| 448 | ! Note the 1000.0 is to convert from kg salt to g salt (needed for PSU) |
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| 449 | CALL cice2nemo(fsalt_gbm,ztmp,'T', 1. ) |
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| 450 | DO jj=1,jpj |
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| 451 | DO ji=1,jpi |
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| 452 | IF (sss_m(ji,jj).gt.0.0) THEN |
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| 453 | emps(ji,jj)=emps(ji,jj)+ztmp(ji,jj)*1000.0/sss_m(ji,jj) |
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| 454 | ENDIF |
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| 455 | ENDDO |
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| 456 | ENDDO |
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| 457 | |
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| 458 | ! No longer remove precip over ice from free surface calculation on basis that the |
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| 459 | ! weight of the precip will affect the free surface even if it falls on the ice |
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| 460 | ! (same to the argument that freezing / melting of ice doesn't change the free surface) |
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| 461 | ! Sublimation from the ice is treated in a similar way (included in emp but not emps) |
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| 462 | ! |
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| 463 | ! This will need re-thinking in the variable volume case and if ice is 'embedded' in the |
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| 464 | ! ocean rather than floating on top |
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| 465 | |
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| 466 | emp(:,:) = emp(:,:) - tprecip(:,:)*fr_i(:,:) |
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| 467 | |
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| 468 | ! Take sublimation into account |
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| 469 | IF (nsbc == 5 ) THEN |
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| 470 | emp(:,:) = emp(:,:) + ( emp_ice(:,:) + sprecip(:,:) ) |
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| 471 | ELSE IF (nsbc == 2 ) THEN |
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| 472 | emp(:,:) = emp(:,:) - qla_ice(:,:,1) / Lsub |
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| 473 | ENDIF |
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| 474 | |
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| 475 | CALL lbc_lnk( emp , 'T', 1. ) |
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| 476 | CALL lbc_lnk( emps , 'T', 1. ) |
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| 477 | |
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| 478 | ! Solar penetrative radiation and non solar surface heat flux |
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| 479 | |
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| 480 | ! Scale qsr and qns according to ice fraction (bulk formulae only) |
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| 481 | |
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| 482 | IF (nsbc == 4) THEN |
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| 483 | qsr(:,:)=qsr(:,:)*(1.0-fr_i(:,:)) |
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| 484 | qns(:,:)=qns(:,:)*(1.0-fr_i(:,:)) |
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| 485 | ENDIF |
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| 486 | ! Take into account snow melting except for fully coupled when already in qns_tot |
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| 487 | IF (nsbc == 5) THEN |
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| 488 | qsr(:,:)= qsr_tot(:,:) |
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| 489 | qns(:,:)= qns_tot(:,:) |
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| 490 | ELSE |
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| 491 | qns(:,:)= qns(:,:)-sprecip(:,:)*Lfresh*(1.0-fr_i(:,:)) |
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| 492 | ENDIF |
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| 493 | |
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| 494 | ! Now add in ice / snow related terms |
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| 495 | ! [fswthru will be zero unless running with calc_Tsfc=T in CICE] |
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| 496 | CALL cice2nemo(fswthru_gbm,ztmp,'T', 1. ) |
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| 497 | qsr(:,:)=qsr(:,:)+ztmp(:,:) |
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| 498 | CALL lbc_lnk( qsr , 'T', 1. ) |
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| 499 | |
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| 500 | DO jj=1,jpj |
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| 501 | DO ji=1,jpi |
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| 502 | nfrzmlt(ji,jj)=MAX(nfrzmlt(ji,jj),0.0) |
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| 503 | ENDDO |
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| 504 | ENDDO |
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| 505 | |
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| 506 | CALL cice2nemo(fhocn_gbm,ztmp,'T', 1. ) |
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| 507 | qns(:,:)=qns(:,:)+nfrzmlt(:,:)+ztmp(:,:) |
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| 508 | |
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| 509 | CALL lbc_lnk( qns , 'T', 1. ) |
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| 510 | |
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| 511 | ! Prepare for the following CICE time-step |
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| 512 | |
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| 513 | CALL cice2nemo(aice,fr_i,'T', 1. ) |
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| 514 | IF ( (nsbc == 2).OR.(nsbc == 5) ) THEN |
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| 515 | DO jpl=1,ncat |
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| 516 | CALL cice2nemo(aicen(:,:,jpl,:),a_i(:,:,jpl), 'T', 1. ) |
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| 517 | ENDDO |
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| 518 | ENDIF |
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| 519 | |
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| 520 | ! T point to U point |
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| 521 | ! T point to V point |
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| 522 | DO jj=1,jpjm1 |
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| 523 | DO ji=1,jpim1 |
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| 524 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
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| 525 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
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| 526 | ENDDO |
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| 527 | ENDDO |
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| 528 | |
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| 529 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
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| 530 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
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| 531 | |
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| 532 | ! Release work space |
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| 533 | |
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| 534 | IF( wrk_not_released(2, 1) ) CALL ctl_stop('cice_sbc_out: failed to release workspace arrays') |
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| 535 | ! |
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| 536 | END SUBROUTINE cice_sbc_out |
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| 537 | |
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| 538 | #if defined key_oasis3 || defined key_oasis4 |
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| 539 | SUBROUTINE cice_sbc_hadgam( kt ) |
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| 540 | !!--------------------------------------------------------------------- |
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| 541 | !! *** ROUTINE cice_sbc_hadgam *** |
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| 542 | !! ** Purpose: Prepare fields needed to pass to HadGAM3 atmosphere |
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| 543 | !! |
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| 544 | !! |
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| 545 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 546 | !!--------------------------------------------------------------------- |
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| 547 | |
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| 548 | INTEGER :: jpl ! dummy loop index |
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| 549 | INTEGER :: ierror |
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| 550 | |
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| 551 | IF( kt == nit000 ) THEN |
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| 552 | IF(lwp) WRITE(numout,*)'cice_sbc_hadgam' |
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| 553 | IF( sbc_cpl_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_cpl_alloc : unable to allocate arrays' ) |
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| 554 | ENDIF |
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| 555 | |
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| 556 | ! ! =========================== ! |
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| 557 | ! ! Prepare Coupling fields ! |
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| 558 | ! ! =========================== ! |
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| 559 | |
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| 560 | ! x and y comp of ice velocity |
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| 561 | |
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| 562 | CALL cice2nemo(uvel,u_ice,'F', -1. ) |
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| 563 | CALL cice2nemo(vvel,v_ice,'F', -1. ) |
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| 564 | |
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| 565 | ! Ice concentration (CO_1) = a_i calculated at end of cice_sbc_out |
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| 566 | |
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| 567 | ! Snow and ice thicknesses (CO_2 and CO_3) |
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| 568 | |
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| 569 | DO jpl = 1,ncat |
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| 570 | CALL cice2nemo(vsnon(:,:,jpl,:),ht_s(:,:,jpl),'T', 1. ) |
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| 571 | CALL cice2nemo(vicen(:,:,jpl,:),ht_i(:,:,jpl),'T', 1. ) |
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| 572 | ENDDO |
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| 573 | |
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| 574 | END SUBROUTINE cice_sbc_hadgam |
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| 575 | |
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| 576 | #else |
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| 577 | SUBROUTINE cice_sbc_hadgam( kt ) ! Dummy routine |
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| 578 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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| 579 | WRITE(*,*) 'cice_sbc_hadgam: You should not have seen this print! error?' |
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| 580 | END SUBROUTINE cice_sbc_hadgam |
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| 581 | #endif |
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| 582 | |
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| 583 | SUBROUTINE cice_sbc_final |
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| 584 | !!--------------------------------------------------------------------- |
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| 585 | !! *** ROUTINE cice_sbc_final *** |
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| 586 | !! ** Purpose: Finalize CICE |
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| 587 | !!--------------------------------------------------------------------- |
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| 588 | |
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| 589 | IF(lwp) WRITE(numout,*)'cice_sbc_final' |
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| 590 | |
|---|
| 591 | call CICE_Finalize |
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| 592 | |
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| 593 | END SUBROUTINE cice_sbc_final |
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| 594 | |
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| 595 | SUBROUTINE cice_sbc_force (kt) |
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| 596 | !!--------------------------------------------------------------------- |
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| 597 | !! *** ROUTINE cice_sbc_force *** |
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| 598 | !! ** Purpose : Provide CICE forcing from files |
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| 599 | !! |
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| 600 | !!--------------------------------------------------------------------- |
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| 601 | !! ** Method : READ monthly flux file in NetCDF files |
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| 602 | !! |
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| 603 | !! snowfall |
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| 604 | !! rainfall |
|---|
| 605 | !! sublimation rate |
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| 606 | !! topmelt (category) |
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| 607 | !! botmelt (category) |
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| 608 | !! |
|---|
| 609 | !! History : |
|---|
| 610 | !!---------------------------------------------------------------------- |
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| 611 | !! * Modules used |
|---|
| 612 | USE iom |
|---|
| 613 | |
|---|
| 614 | !! * arguments |
|---|
| 615 | INTEGER, INTENT( in ) :: kt ! ocean time step |
|---|
| 616 | |
|---|
| 617 | INTEGER :: ierror ! return error code |
|---|
| 618 | INTEGER :: ifpr ! dummy loop index |
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| 619 | !! |
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| 620 | CHARACTER(len=100) :: cn_dir ! Root directory for location of CICE forcing files |
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| 621 | TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read |
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| 622 | TYPE(FLD_N) :: sn_snow, sn_rain, sn_sblm ! informations about the fields to be read |
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| 623 | TYPE(FLD_N) :: sn_top1, sn_top2, sn_top3, sn_top4, sn_top5 |
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| 624 | TYPE(FLD_N) :: sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
|---|
| 625 | |
|---|
| 626 | !! |
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| 627 | NAMELIST/namsbc_cice/ cn_dir, sn_snow, sn_rain, sn_sblm, & |
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| 628 | & sn_top1, sn_top2, sn_top3, sn_top4, sn_top5, & |
|---|
| 629 | & sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
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| 630 | !!--------------------------------------------------------------------- |
|---|
| 631 | |
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| 632 | ! ! ====================== ! |
|---|
| 633 | IF( kt == nit000 ) THEN ! First call kt=nit000 ! |
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| 634 | ! ! ====================== ! |
|---|
| 635 | ! set file information (default values) |
|---|
| 636 | cn_dir = './' ! directory in which the model is executed |
|---|
| 637 | |
|---|
| 638 | ! (NB: frequency positive => hours, negative => months) |
|---|
| 639 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! |
|---|
| 640 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! |
|---|
| 641 | sn_snow = FLD_N( 'snowfall_1m' , -1. , 'snowfall' , .true. , .true. , ' yearly' , '' , '' ) |
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| 642 | sn_rain = FLD_N( 'rainfall_1m' , -1. , 'rainfall' , .true. , .true. , ' yearly' , '' , '' ) |
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| 643 | sn_sblm = FLD_N( 'sublim_1m' , -1. , 'sublim' , .true. , .true. , ' yearly' , '' , '' ) |
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| 644 | sn_top1 = FLD_N( 'topmeltn1_1m' , -1. , 'topmeltn1' , .true. , .true. , ' yearly' , '' , '' ) |
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| 645 | sn_top2 = FLD_N( 'topmeltn2_1m' , -1. , 'topmeltn2' , .true. , .true. , ' yearly' , '' , '' ) |
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| 646 | sn_top3 = FLD_N( 'topmeltn3_1m' , -1. , 'topmeltn3' , .true. , .true. , ' yearly' , '' , '' ) |
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| 647 | sn_top4 = FLD_N( 'topmeltn4_1m' , -1. , 'topmeltn4' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 648 | sn_top5 = FLD_N( 'topmeltn5_1m' , -1. , 'topmeltn5' , .true. , .true. , ' yearly' , '' , '' ) |
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| 649 | sn_bot1 = FLD_N( 'botmeltn1_1m' , -1. , 'botmeltn1' , .true. , .true. , ' yearly' , '' , '' ) |
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| 650 | sn_bot2 = FLD_N( 'botmeltn2_1m' , -1. , 'botmeltn2' , .true. , .true. , ' yearly' , '' , '' ) |
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| 651 | sn_bot3 = FLD_N( 'botmeltn3_1m' , -1. , 'botmeltn3' , .true. , .true. , ' yearly' , '' , '' ) |
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| 652 | sn_bot4 = FLD_N( 'botmeltn4_1m' , -1. , 'botmeltn4' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 653 | sn_bot5 = FLD_N( 'botmeltn5_1m' , -1. , 'botmeltn5' , .true. , .true. , ' yearly' , '' , '' ) |
|---|
| 654 | |
|---|
| 655 | ! REWIND ( numnam ) ! ... at some point might read in from NEMO namelist? |
|---|
| 656 | ! READ ( numnam, namsbc_cice ) |
|---|
| 657 | |
|---|
| 658 | ! store namelist information in an array |
|---|
| 659 | slf_i(jp_snow) = sn_snow ; slf_i(jp_rain) = sn_rain ; slf_i(jp_sblm) = sn_sblm |
|---|
| 660 | slf_i(jp_top1) = sn_top1 ; slf_i(jp_top2) = sn_top2 ; slf_i(jp_top3) = sn_top3 |
|---|
| 661 | slf_i(jp_top4) = sn_top4 ; slf_i(jp_top5) = sn_top5 ; slf_i(jp_bot1) = sn_bot1 |
|---|
| 662 | slf_i(jp_bot2) = sn_bot2 ; slf_i(jp_bot3) = sn_bot3 ; slf_i(jp_bot4) = sn_bot4 |
|---|
| 663 | slf_i(jp_bot5) = sn_bot5 |
|---|
| 664 | |
|---|
| 665 | ! set sf structure |
|---|
| 666 | ALLOCATE( sf(jpfld), STAT=ierror ) |
|---|
| 667 | IF( ierror > 0 ) THEN |
|---|
| 668 | CALL ctl_stop( 'cice_sbc_force: unable to allocate sf structure' ) ; RETURN |
|---|
| 669 | ENDIF |
|---|
| 670 | |
|---|
| 671 | DO ifpr= 1, jpfld |
|---|
| 672 | ALLOCATE( sf(ifpr)%fnow(jpi,jpj,1) ) |
|---|
| 673 | ALLOCATE( sf(ifpr)%fdta(jpi,jpj,1,2) ) |
|---|
| 674 | END DO |
|---|
| 675 | |
|---|
| 676 | ! fill sf with slf_i and control print |
|---|
| 677 | CALL fld_fill( sf, slf_i, cn_dir, 'cice_sbc_force', 'flux formulation for CICE', 'namsbc_cice' ) |
|---|
| 678 | ! |
|---|
| 679 | ENDIF |
|---|
| 680 | |
|---|
| 681 | CALL fld_read( kt, nn_fsbc, sf ) ! Read input fields and provides the |
|---|
| 682 | ! ! input fields at the current time-step |
|---|
| 683 | |
|---|
| 684 | ! set the fluxes from read fields |
|---|
| 685 | sprecip(:,:) = sf(jp_snow)%fnow(:,:,1) |
|---|
| 686 | tprecip(:,:) = sf(jp_snow)%fnow(:,:,1)+sf(jp_rain)%fnow(:,:,1) |
|---|
| 687 | ! May be better to do this conversion somewhere else |
|---|
| 688 | qla_ice(:,:,1) = -Lsub*sf(jp_sblm)%fnow(:,:,1) |
|---|
| 689 | topmelt(:,:,1) = sf(jp_top1)%fnow(:,:,1) |
|---|
| 690 | topmelt(:,:,2) = sf(jp_top2)%fnow(:,:,1) |
|---|
| 691 | topmelt(:,:,3) = sf(jp_top3)%fnow(:,:,1) |
|---|
| 692 | topmelt(:,:,4) = sf(jp_top4)%fnow(:,:,1) |
|---|
| 693 | topmelt(:,:,5) = sf(jp_top5)%fnow(:,:,1) |
|---|
| 694 | botmelt(:,:,1) = sf(jp_bot1)%fnow(:,:,1) |
|---|
| 695 | botmelt(:,:,2) = sf(jp_bot2)%fnow(:,:,1) |
|---|
| 696 | botmelt(:,:,3) = sf(jp_bot3)%fnow(:,:,1) |
|---|
| 697 | botmelt(:,:,4) = sf(jp_bot4)%fnow(:,:,1) |
|---|
| 698 | botmelt(:,:,5) = sf(jp_bot5)%fnow(:,:,1) |
|---|
| 699 | |
|---|
| 700 | ! control print (if less than 100 time-step asked) |
|---|
| 701 | IF( nitend-nit000 <= 100 .AND. lwp ) THEN |
|---|
| 702 | WRITE(numout,*) |
|---|
| 703 | WRITE(numout,*) ' read forcing fluxes for CICE OK' |
|---|
| 704 | CALL FLUSH(numout) |
|---|
| 705 | ENDIF |
|---|
| 706 | |
|---|
| 707 | END SUBROUTINE cice_sbc_force |
|---|
| 708 | |
|---|
| 709 | SUBROUTINE nemo2cice( pn, pc, cd_type, psgn) |
|---|
| 710 | !!--------------------------------------------------------------------- |
|---|
| 711 | !! *** ROUTINE nemo2cice *** |
|---|
| 712 | !! ** Purpose : Transfer field in NEMO array to field in CICE array. |
|---|
| 713 | #if defined key_nemocice_decomp |
|---|
| 714 | !! |
|---|
| 715 | !! NEMO and CICE PE sub domains are identical, hence |
|---|
| 716 | !! there is no need to gather or scatter data from |
|---|
| 717 | !! one PE configuration to another. |
|---|
| 718 | #else |
|---|
| 719 | !! Automatically gather/scatter between |
|---|
| 720 | !! different processors and blocks |
|---|
| 721 | !! ** Method : A. Ensure all haloes are filled in NEMO field (pn) |
|---|
| 722 | !! B. Gather pn into global array (png) |
|---|
| 723 | !! C. Map png into CICE global array (pcg) |
|---|
| 724 | !! D. Scatter pcg to CICE blocks (pc) + update haloes |
|---|
| 725 | #endif |
|---|
| 726 | !!--------------------------------------------------------------------- |
|---|
| 727 | |
|---|
| 728 | CHARACTER(len=1), INTENT( in ) :: & |
|---|
| 729 | cd_type ! nature of pn grid-point |
|---|
| 730 | ! ! = T or F gridpoints |
|---|
| 731 | REAL(wp), INTENT( in ) :: & |
|---|
| 732 | psgn ! control of the sign change |
|---|
| 733 | ! ! =-1 , the sign is modified following the type of b.c. used |
|---|
| 734 | ! ! = 1 , no sign change |
|---|
| 735 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
|---|
| 736 | #if !defined key_nemocice_decomp |
|---|
| 737 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
|---|
| 738 | #endif |
|---|
| 739 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
|---|
| 740 | INTEGER (int_kind) :: & |
|---|
| 741 | field_type, &! id for type of field (scalar, vector, angle) |
|---|
| 742 | grid_loc ! id for location on horizontal grid |
|---|
| 743 | ! (center, NEcorner, Nface, Eface) |
|---|
| 744 | |
|---|
| 745 | INTEGER :: ji, jj, jn ! dummy loop indices |
|---|
| 746 | |
|---|
| 747 | ! A. Ensure all haloes are filled in NEMO field (pn) |
|---|
| 748 | |
|---|
| 749 | CALL lbc_lnk( pn , cd_type, psgn ) |
|---|
| 750 | |
|---|
| 751 | #if defined key_nemocice_decomp |
|---|
| 752 | |
|---|
| 753 | ! Copy local domain data from NEMO to CICE field |
|---|
| 754 | pc(:,:,1)=0.0 |
|---|
| 755 | DO jj=2,ny_block |
|---|
| 756 | DO ji=2,nx_block |
|---|
| 757 | pc(ji,jj,1)=pn(ji,jj-1) |
|---|
| 758 | ENDDO |
|---|
| 759 | ENDDO |
|---|
| 760 | |
|---|
| 761 | #else |
|---|
| 762 | |
|---|
| 763 | ! B. Gather pn into global array (png) |
|---|
| 764 | |
|---|
| 765 | IF ( jpnij > 1) THEN |
|---|
| 766 | CALL mppsync |
|---|
| 767 | CALL mppgather (pn,0,png) |
|---|
| 768 | CALL mppsync |
|---|
| 769 | ELSE |
|---|
| 770 | png(:,:,1)=pn(:,:) |
|---|
| 771 | ENDIF |
|---|
| 772 | |
|---|
| 773 | ! C. Map png into CICE global array (pcg) |
|---|
| 774 | |
|---|
| 775 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
|---|
| 776 | ! (may be OK but not 100% sure) |
|---|
| 777 | |
|---|
| 778 | IF (nproc==0) THEN |
|---|
| 779 | ! pcg(:,:)=0.0 |
|---|
| 780 | DO jn=1,jpnij |
|---|
| 781 | DO jj=1,nlcjt(jn)-1 |
|---|
| 782 | DO ji=2,nlcit(jn)-1 |
|---|
| 783 | pcg(ji+nimppt(jn)-2,jj+njmppt(jn)-1)=png(ji,jj,jn) |
|---|
| 784 | ENDDO |
|---|
| 785 | ENDDO |
|---|
| 786 | ENDDO |
|---|
| 787 | ENDIF |
|---|
| 788 | |
|---|
| 789 | #endif |
|---|
| 790 | |
|---|
| 791 | SELECT CASE ( cd_type ) |
|---|
| 792 | CASE ( 'T' ) |
|---|
| 793 | grid_loc=field_loc_center |
|---|
| 794 | CASE ( 'F' ) |
|---|
| 795 | grid_loc=field_loc_NEcorner |
|---|
| 796 | END SELECT |
|---|
| 797 | |
|---|
| 798 | SELECT CASE ( NINT(psgn) ) |
|---|
| 799 | CASE ( -1 ) |
|---|
| 800 | field_type=field_type_vector |
|---|
| 801 | CASE ( 1 ) |
|---|
| 802 | field_type=field_type_scalar |
|---|
| 803 | END SELECT |
|---|
| 804 | |
|---|
| 805 | #if defined key_nemocice_decomp |
|---|
| 806 | ! Ensure CICE halos are up to date |
|---|
| 807 | call ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
|---|
| 808 | #else |
|---|
| 809 | ! D. Scatter pcg to CICE blocks (pc) + update halos |
|---|
| 810 | call scatter_global(pc, pcg, 0, distrb_info, grid_loc, field_type) |
|---|
| 811 | #endif |
|---|
| 812 | |
|---|
| 813 | END SUBROUTINE nemo2cice |
|---|
| 814 | |
|---|
| 815 | SUBROUTINE cice2nemo ( pc, pn, cd_type, psgn ) |
|---|
| 816 | !!--------------------------------------------------------------------- |
|---|
| 817 | !! *** ROUTINE cice2nemo *** |
|---|
| 818 | !! ** Purpose : Transfer field in CICE array to field in NEMO array. |
|---|
| 819 | #if defined key_nemocice_decomp |
|---|
| 820 | !! |
|---|
| 821 | !! NEMO and CICE PE sub domains are identical, hence |
|---|
| 822 | !! there is no need to gather or scatter data from |
|---|
| 823 | !! one PE configuration to another. |
|---|
| 824 | #else |
|---|
| 825 | !! Automatically deal with scatter/gather between |
|---|
| 826 | !! different processors and blocks |
|---|
| 827 | !! ** Method : A. Gather CICE blocks (pc) into global array (pcg) |
|---|
| 828 | !! B. Map pcg into NEMO global array (png) |
|---|
| 829 | !! C. Scatter png into NEMO field (pn) for each processor |
|---|
| 830 | !! D. Ensure all haloes are filled in pn |
|---|
| 831 | #endif |
|---|
| 832 | !!--------------------------------------------------------------------- |
|---|
| 833 | |
|---|
| 834 | CHARACTER(len=1), INTENT( in ) :: & |
|---|
| 835 | cd_type ! nature of pn grid-point |
|---|
| 836 | ! ! = T or F gridpoints |
|---|
| 837 | REAL(wp), INTENT( in ) :: & |
|---|
| 838 | psgn ! control of the sign change |
|---|
| 839 | ! ! =-1 , the sign is modified following the type of b.c. used |
|---|
| 840 | ! ! = 1 , no sign change |
|---|
| 841 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
|---|
| 842 | |
|---|
| 843 | #if defined key_nemocice_decomp |
|---|
| 844 | INTEGER (int_kind) :: & |
|---|
| 845 | field_type, & ! id for type of field (scalar, vector, angle) |
|---|
| 846 | grid_loc ! id for location on horizontal grid |
|---|
| 847 | ! (center, NEcorner, Nface, Eface) |
|---|
| 848 | #else |
|---|
| 849 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
|---|
| 850 | #endif |
|---|
| 851 | |
|---|
| 852 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
|---|
| 853 | |
|---|
| 854 | INTEGER :: ji, jj, jn ! dummy loop indices |
|---|
| 855 | |
|---|
| 856 | |
|---|
| 857 | #if defined key_nemocice_decomp |
|---|
| 858 | |
|---|
| 859 | SELECT CASE ( cd_type ) |
|---|
| 860 | CASE ( 'T' ) |
|---|
| 861 | grid_loc=field_loc_center |
|---|
| 862 | CASE ( 'F' ) |
|---|
| 863 | grid_loc=field_loc_NEcorner |
|---|
| 864 | END SELECT |
|---|
| 865 | |
|---|
| 866 | SELECT CASE ( NINT(psgn) ) |
|---|
| 867 | CASE ( -1 ) |
|---|
| 868 | field_type=field_type_vector |
|---|
| 869 | CASE ( 1 ) |
|---|
| 870 | field_type=field_type_scalar |
|---|
| 871 | END SELECT |
|---|
| 872 | |
|---|
| 873 | call ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
|---|
| 874 | |
|---|
| 875 | |
|---|
| 876 | pn(:,:)=0.0 |
|---|
| 877 | DO jj=1,jpjm1 |
|---|
| 878 | DO ji=1,jpim1 |
|---|
| 879 | pn(ji,jj)=pc(ji,jj+1,1) |
|---|
| 880 | ENDDO |
|---|
| 881 | ENDDO |
|---|
| 882 | |
|---|
| 883 | #else |
|---|
| 884 | |
|---|
| 885 | ! A. Gather CICE blocks (pc) into global array (pcg) |
|---|
| 886 | |
|---|
| 887 | call gather_global(pcg, pc, 0, distrb_info) |
|---|
| 888 | |
|---|
| 889 | ! B. Map pcg into NEMO global array (png) |
|---|
| 890 | |
|---|
| 891 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
|---|
| 892 | ! (may be OK but not spent much time thinking about it) |
|---|
| 893 | |
|---|
| 894 | IF (nproc==0) THEN |
|---|
| 895 | png(:,:,:)=0.0 |
|---|
| 896 | DO jn=1,jpnij |
|---|
| 897 | DO jj=1,nlcjt(jn)-1 |
|---|
| 898 | DO ji=2,nlcit(jn)-1 |
|---|
| 899 | png(ji,jj,jn)=pcg(ji+nimppt(jn)-2,jj+njmppt(jn)-1) |
|---|
| 900 | ENDDO |
|---|
| 901 | ENDDO |
|---|
| 902 | ENDDO |
|---|
| 903 | ENDIF |
|---|
| 904 | |
|---|
| 905 | ! C. Scatter png into NEMO field (pn) for each processor |
|---|
| 906 | |
|---|
| 907 | IF ( jpnij > 1) THEN |
|---|
| 908 | CALL mppsync |
|---|
| 909 | CALL mppscatter (png,0,pn) |
|---|
| 910 | CALL mppsync |
|---|
| 911 | ELSE |
|---|
| 912 | pn(:,:)=png(:,:,1) |
|---|
| 913 | ENDIF |
|---|
| 914 | |
|---|
| 915 | #endif |
|---|
| 916 | |
|---|
| 917 | ! D. Ensure all haloes are filled in pn |
|---|
| 918 | |
|---|
| 919 | CALL lbc_lnk( pn , cd_type, psgn ) |
|---|
| 920 | |
|---|
| 921 | END SUBROUTINE cice2nemo |
|---|
| 922 | |
|---|
| 923 | #else |
|---|
| 924 | !!---------------------------------------------------------------------- |
|---|
| 925 | !! Default option Dummy module NO CICE sea-ice model |
|---|
| 926 | !!---------------------------------------------------------------------- |
|---|
| 927 | CONTAINS |
|---|
| 928 | |
|---|
| 929 | SUBROUTINE sbc_ice_cice ( kt, nsbc ) ! Dummy routine |
|---|
| 930 | WRITE(*,*) 'sbc_ice_cice: You should not have seen this print! error?', kt |
|---|
| 931 | END SUBROUTINE sbc_ice_cice |
|---|
| 932 | |
|---|
| 933 | SUBROUTINE cice_sbc_init (nsbc) ! Dummy routine |
|---|
| 934 | WRITE(*,*) 'cice_sbc_init: You should not have seen this print! error?' |
|---|
| 935 | END SUBROUTINE cice_sbc_init |
|---|
| 936 | |
|---|
| 937 | SUBROUTINE cice_sbc_final ! Dummy routine |
|---|
| 938 | WRITE(*,*) 'cice_sbc_final: You should not have seen this print! error?' |
|---|
| 939 | END SUBROUTINE cice_sbc_final |
|---|
| 940 | |
|---|
| 941 | #endif |
|---|
| 942 | |
|---|
| 943 | !!====================================================================== |
|---|
| 944 | END MODULE sbcice_cice |
|---|
