[2874] | 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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[3275] | 16 | USE domvvl |
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[6488] | 17 | USE eosbn2, only : eos_fzp ! Function to calculate freezing point of seawater |
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| 18 | USE phycst, only : rcp, rau0, r1_rau0, rhosn, rhoic, rt0 |
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[2874] | 19 | USE in_out_manager ! I/O manager |
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[4990] | 20 | USE iom, ONLY : iom_put,iom_use ! I/O manager library !!Joakim edit |
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[2874] | 21 | USE lib_mpp ! distributed memory computing library |
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| 22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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[3186] | 23 | USE wrk_nemo ! work arrays |
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[3193] | 24 | USE timing ! Timing |
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[2874] | 25 | USE daymod ! calendar |
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| 26 | USE fldread ! read input fields |
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| 27 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 28 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 29 | USE sbcblk_core ! Surface boundary condition: CORE bulk |
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| 30 | USE sbccpl |
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| 31 | |
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| 32 | USE ice_kinds_mod |
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| 33 | USE ice_blocks |
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| 34 | USE ice_domain |
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| 35 | USE ice_domain_size |
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| 36 | USE ice_boundary |
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| 37 | USE ice_constants |
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| 38 | USE ice_gather_scatter |
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| 39 | USE ice_calendar, only: dt |
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[6488] | 40 | # if defined key_cice4 |
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[3625] | 41 | USE ice_state, only: aice,aicen,uvel,vvel,vsno,vsnon,vice,vicen |
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[2874] | 42 | USE ice_flux, only: strax,stray,strocnx,strocny,frain,fsnow, & |
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[5133] | 43 | strocnxT,strocnyT, & |
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[3189] | 44 | sst,sss,uocn,vocn,ss_tltx,ss_tlty,fsalt_gbm, & |
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| 45 | fresh_gbm,fhocn_gbm,fswthru_gbm,frzmlt, & |
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[2874] | 46 | flatn_f,fsurfn_f,fcondtopn_f, & |
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| 47 | uatm,vatm,wind,fsw,flw,Tair,potT,Qa,rhoa,zlvl, & |
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[6488] | 48 | swvdr,swvdf,swidr,swidf,Tf |
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[4990] | 49 | USE ice_therm_vertical, only: calc_Tsfc |
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| 50 | #else |
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[6488] | 51 | USE ice_state, only: aice,aicen,uvel,nt_hpnd,trcrn,vvel,vsno,& |
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| 52 | vsnon,vice,vicen,nt_Tsfc |
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[4990] | 53 | USE ice_flux, only: strax,stray,strocnx,strocny,frain,fsnow, & |
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[5133] | 54 | strocnxT,strocnyT, & |
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[6488] | 55 | sst,sss,uocn,vocn,ss_tltx,ss_tlty,fsalt_ai, & |
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| 56 | fresh_ai,fhocn_ai,fswthru_ai,frzmlt, & |
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[4990] | 57 | flatn_f,fsurfn_f,fcondtopn_f, & |
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[8400] | 58 | #ifdef key_asminc |
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| 59 | daice_da,fresh_da,fsalt_da, & |
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| 60 | #endif |
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[4990] | 61 | uatm,vatm,wind,fsw,flw,Tair,potT,Qa,rhoa,zlvl, & |
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[6488] | 62 | swvdr,swvdf,swidr,swidf,Tf, & |
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| 63 | !! When using NEMO with CICE, this change requires use of |
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| 64 | !! one of the following two CICE branches: |
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| 65 | !! - at CICE5.0, hadax/r1015_GSI8_with_GSI7 |
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| 66 | !! - at CICE5.1.2, hadax/vn5.1.2_GSI8 |
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| 67 | keffn_top,Tn_top |
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| 68 | |
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| 69 | USE ice_therm_shared, only: calc_Tsfc, heat_capacity |
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| 70 | USE ice_shortwave, only: apeffn |
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[4990] | 71 | #endif |
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[2874] | 72 | USE ice_forcing, only: frcvdr,frcvdf,frcidr,frcidf |
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[3176] | 73 | USE ice_atmo, only: calc_strair |
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[2874] | 74 | |
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| 75 | USE CICE_InitMod |
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| 76 | USE CICE_RunMod |
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| 77 | USE CICE_FinalMod |
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| 78 | |
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| 79 | IMPLICIT NONE |
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| 80 | PRIVATE |
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| 81 | |
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| 82 | !! * Routine accessibility |
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| 83 | PUBLIC cice_sbc_init ! routine called by sbc_init |
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| 84 | PUBLIC cice_sbc_final ! routine called by sbc_final |
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| 85 | PUBLIC sbc_ice_cice ! routine called by sbc |
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| 86 | |
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[4627] | 87 | INTEGER :: ji_off |
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| 88 | INTEGER :: jj_off |
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[3625] | 89 | |
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[2874] | 90 | INTEGER , PARAMETER :: jpfld = 13 ! maximum number of files to read |
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| 91 | INTEGER , PARAMETER :: jp_snow = 1 ! index of snow file |
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| 92 | INTEGER , PARAMETER :: jp_rain = 2 ! index of rain file |
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| 93 | INTEGER , PARAMETER :: jp_sblm = 3 ! index of sublimation file |
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| 94 | INTEGER , PARAMETER :: jp_top1 = 4 ! index of category 1 topmelt file |
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| 95 | INTEGER , PARAMETER :: jp_top2 = 5 ! index of category 2 topmelt file |
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| 96 | INTEGER , PARAMETER :: jp_top3 = 6 ! index of category 3 topmelt file |
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| 97 | INTEGER , PARAMETER :: jp_top4 = 7 ! index of category 4 topmelt file |
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| 98 | INTEGER , PARAMETER :: jp_top5 = 8 ! index of category 5 topmelt file |
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| 99 | INTEGER , PARAMETER :: jp_bot1 = 9 ! index of category 1 botmelt file |
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| 100 | INTEGER , PARAMETER :: jp_bot2 = 10 ! index of category 2 botmelt file |
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| 101 | INTEGER , PARAMETER :: jp_bot3 = 11 ! index of category 3 botmelt file |
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| 102 | INTEGER , PARAMETER :: jp_bot4 = 12 ! index of category 4 botmelt file |
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| 103 | INTEGER , PARAMETER :: jp_bot5 = 13 ! index of category 5 botmelt file |
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| 104 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf ! structure of input fields (file informations, fields read) |
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| 105 | |
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| 106 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:), PRIVATE :: png ! local array used in sbc_cice_ice |
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| 107 | |
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| 108 | !! * Substitutions |
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| 109 | # include "domzgr_substitute.h90" |
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| 110 | |
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[5215] | 111 | !! $Id$ |
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[2874] | 112 | CONTAINS |
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| 113 | |
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| 114 | INTEGER FUNCTION sbc_ice_cice_alloc() |
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| 115 | !!---------------------------------------------------------------------- |
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| 116 | !! *** FUNCTION sbc_ice_cice_alloc *** |
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| 117 | !!---------------------------------------------------------------------- |
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| 118 | ALLOCATE( png(jpi,jpj,jpnij), STAT=sbc_ice_cice_alloc ) |
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| 119 | IF( lk_mpp ) CALL mpp_sum ( sbc_ice_cice_alloc ) |
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| 120 | IF( sbc_ice_cice_alloc > 0 ) CALL ctl_warn('sbc_ice_cice_alloc: allocation of arrays failed.') |
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| 121 | END FUNCTION sbc_ice_cice_alloc |
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| 122 | |
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[4990] | 123 | SUBROUTINE sbc_ice_cice( kt, ksbc ) |
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[2874] | 124 | !!--------------------------------------------------------------------- |
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| 125 | !! *** ROUTINE sbc_ice_cice *** |
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| 126 | !! |
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| 127 | !! ** Purpose : update the ocean surface boundary condition via the |
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| 128 | !! CICE Sea Ice Model time stepping |
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| 129 | !! |
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[3040] | 130 | !! ** Method : - Get any extra forcing fields for CICE |
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| 131 | !! - Prepare forcing fields |
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[2874] | 132 | !! - CICE model time stepping |
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| 133 | !! - call the routine that computes mass and |
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| 134 | !! heat fluxes at the ice/ocean interface |
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| 135 | !! |
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| 136 | !! ** Action : - time evolution of the CICE sea-ice model |
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| 137 | !! - update all sbc variables below sea-ice: |
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[3625] | 138 | !! utau, vtau, qns , qsr, emp , sfx |
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[2874] | 139 | !!--------------------------------------------------------------------- |
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| 140 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[4990] | 141 | INTEGER, INTENT(in) :: ksbc ! surface forcing type |
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[2874] | 142 | !!---------------------------------------------------------------------- |
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[3193] | 143 | ! |
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| 144 | IF( nn_timing == 1 ) CALL timing_start('sbc_ice_cice') |
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| 145 | ! |
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[2874] | 146 | ! !----------------------! |
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| 147 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN ! Ice time-step only ! |
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| 148 | ! !----------------------! |
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| 149 | |
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| 150 | ! Make sure any fluxes required for CICE are set |
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[4990] | 151 | IF ( ksbc == jp_flx ) THEN |
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[2874] | 152 | CALL cice_sbc_force(kt) |
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[5407] | 153 | ELSE IF ( ksbc == jp_purecpl ) THEN |
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[2874] | 154 | CALL sbc_cpl_ice_flx( 1.0-fr_i ) |
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| 155 | ENDIF |
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| 156 | |
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[4990] | 157 | CALL cice_sbc_in ( kt, ksbc ) |
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[2874] | 158 | CALL CICE_Run |
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[4990] | 159 | CALL cice_sbc_out ( kt, ksbc ) |
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[2874] | 160 | |
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[5407] | 161 | IF ( ksbc == jp_purecpl ) CALL cice_sbc_hadgam(kt+1) |
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[2874] | 162 | |
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| 163 | ENDIF ! End sea-ice time step only |
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[3193] | 164 | ! |
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| 165 | IF( nn_timing == 1 ) CALL timing_stop('sbc_ice_cice') |
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[2874] | 166 | |
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| 167 | END SUBROUTINE sbc_ice_cice |
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| 168 | |
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[4990] | 169 | SUBROUTINE cice_sbc_init (ksbc) |
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[2874] | 170 | !!--------------------------------------------------------------------- |
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| 171 | !! *** ROUTINE cice_sbc_init *** |
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[3040] | 172 | !! ** Purpose: Initialise ice related fields for NEMO and coupling |
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[2874] | 173 | !! |
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[4990] | 174 | INTEGER, INTENT( in ) :: ksbc ! surface forcing type |
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[3625] | 175 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp1, ztmp2 |
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[6488] | 176 | REAL(wp), DIMENSION(:,:,:), POINTER :: ztfrz3d |
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[4990] | 177 | INTEGER :: ji, jj, jl, jk ! dummy loop indices |
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[2874] | 178 | !!--------------------------------------------------------------------- |
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| 179 | |
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[3193] | 180 | IF( nn_timing == 1 ) CALL timing_start('cice_sbc_init') |
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| 181 | ! |
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[3625] | 182 | CALL wrk_alloc( jpi,jpj, ztmp1, ztmp2 ) |
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| 183 | ! |
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[10774] | 184 | IF(lwp .AND. nprint>1) THEN |
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| 185 | WRITE(numout,*)'cice_sbc_init' |
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| 186 | IF(lflush) CALL flush(numout) |
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| 187 | ENDIF |
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[2874] | 188 | |
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[4627] | 189 | ji_off = INT ( (jpiglo - nx_global) / 2 ) |
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| 190 | jj_off = INT ( (jpjglo - ny_global) / 2 ) |
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| 191 | |
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[6488] | 192 | ! Initialize CICE |
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[3176] | 193 | CALL CICE_Initialize |
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[2874] | 194 | |
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[6488] | 195 | ! Do some CICE consistency checks |
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[5407] | 196 | IF ( (ksbc == jp_flx) .OR. (ksbc == jp_purecpl) ) THEN |
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[3193] | 197 | IF ( calc_strair .OR. calc_Tsfc ) THEN |
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| 198 | CALL ctl_stop( 'STOP', 'cice_sbc_init : Forcing option requires calc_strair=F and calc_Tsfc=F in ice_in' ) |
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| 199 | ENDIF |
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[4990] | 200 | ELSEIF (ksbc == jp_core) THEN |
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[3193] | 201 | IF ( .NOT. (calc_strair .AND. calc_Tsfc) ) THEN |
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| 202 | CALL ctl_stop( 'STOP', 'cice_sbc_init : Forcing option requires calc_strair=T and calc_Tsfc=T in ice_in' ) |
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| 203 | ENDIF |
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| 204 | ENDIF |
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[3176] | 205 | |
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| 206 | |
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[6488] | 207 | ! allocate sbc_ice and sbc_cice arrays |
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| 208 | IF( sbc_ice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_alloc : unable to allocate arrays' ) |
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[2874] | 209 | IF( sbc_ice_cice_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_ice_cice_alloc : unable to allocate cice arrays' ) |
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| 210 | |
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[6488] | 211 | ! Ensure that no temperature points are below freezing if not a NEMO restart |
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[2874] | 212 | IF( .NOT. ln_rstart ) THEN |
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[6488] | 213 | |
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| 214 | CALL wrk_alloc( jpi,jpj,jpk, ztfrz3d ) |
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| 215 | DO jk=1,jpk |
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[6500] | 216 | CALL eos_fzp( tsn(:,:,jk,jp_sal), ztfrz3d(:,:,jk), fsdept_n(:,:,jk) ) |
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[6488] | 217 | ENDDO |
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| 218 | tsn(:,:,:,jp_tem) = MAX( tsn(:,:,:,jp_tem), ztfrz3d ) |
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[2874] | 219 | tsb(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) |
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[6488] | 220 | CALL wrk_dealloc( jpi,jpj,jpk, ztfrz3d ) |
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[2874] | 221 | |
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[6488] | 222 | #if defined key_nemocice_decomp |
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| 223 | ! Pass initial SST from NEMO to CICE so ice is initialised correctly if |
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| 224 | ! there is no restart file. |
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| 225 | ! Values from a CICE restart file would overwrite this |
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| 226 | CALL nemo2cice( tsn(:,:,1,jp_tem) , sst , 'T' , 1.) |
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| 227 | #endif |
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[2874] | 228 | |
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[6488] | 229 | ENDIF |
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| 230 | |
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| 231 | ! calculate surface freezing temperature and send to CICE |
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[6500] | 232 | CALL eos_fzp(sss_m(:,:), sstfrz(:,:), fsdept_n(:,:,1)) |
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[6488] | 233 | CALL nemo2cice(sstfrz,Tf, 'T', 1. ) |
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| 234 | |
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[3193] | 235 | CALL cice2nemo(aice,fr_i, 'T', 1. ) |
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[5407] | 236 | IF ( (ksbc == jp_flx) .OR. (ksbc == jp_purecpl) ) THEN |
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[3625] | 237 | DO jl=1,ncat |
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| 238 | CALL cice2nemo(aicen(:,:,jl,:),a_i(:,:,jl), 'T', 1. ) |
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[3193] | 239 | ENDDO |
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| 240 | ENDIF |
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[2874] | 241 | |
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| 242 | ! T point to U point |
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| 243 | ! T point to V point |
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[6488] | 244 | fr_iu(:,:)=0.0 |
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| 245 | fr_iv(:,:)=0.0 |
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[3193] | 246 | DO jj=1,jpjm1 |
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| 247 | DO ji=1,jpim1 |
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| 248 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
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| 249 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
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| 250 | ENDDO |
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| 251 | ENDDO |
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[2874] | 252 | |
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[3193] | 253 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
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| 254 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
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[3625] | 255 | |
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| 256 | ! ! embedded sea ice |
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| 257 | IF( nn_ice_embd /= 0 ) THEN ! mass exchanges between ice and ocean (case 1 or 2) set the snow+ice mass |
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| 258 | CALL cice2nemo(vsno(:,:,:),ztmp1,'T', 1. ) |
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| 259 | CALL cice2nemo(vice(:,:,:),ztmp2,'T', 1. ) |
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| 260 | snwice_mass (:,:) = ( rhosn * ztmp1(:,:) + rhoic * ztmp2(:,:) ) |
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| 261 | snwice_mass_b(:,:) = snwice_mass(:,:) |
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| 262 | ELSE |
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| 263 | snwice_mass (:,:) = 0.0_wp ! no mass exchanges |
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| 264 | snwice_mass_b(:,:) = 0.0_wp ! no mass exchanges |
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| 265 | ENDIF |
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[4990] | 266 | IF( .NOT. ln_rstart ) THEN |
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| 267 | IF( nn_ice_embd == 2 ) THEN ! full embedment (case 2) deplete the initial ssh below sea-ice area |
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| 268 | sshn(:,:) = sshn(:,:) - snwice_mass(:,:) * r1_rau0 |
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| 269 | sshb(:,:) = sshb(:,:) - snwice_mass(:,:) * r1_rau0 |
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| 270 | #if defined key_vvl |
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| 271 | ! key_vvl necessary? clem: yes for compilation purpose |
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| 272 | DO jk = 1,jpkm1 ! adjust initial vertical scale factors |
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| 273 | fse3t_n(:,:,jk) = e3t_0(:,:,jk)*( 1._wp + sshn(:,:)*tmask(:,:,1)/(ht_0(:,:) + 1.0 - tmask(:,:,1)) ) |
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| 274 | fse3t_b(:,:,jk) = e3t_0(:,:,jk)*( 1._wp + sshb(:,:)*tmask(:,:,1)/(ht_0(:,:) + 1.0 - tmask(:,:,1)) ) |
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| 275 | ENDDO |
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| 276 | fse3t_a(:,:,:) = fse3t_b(:,:,:) |
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| 277 | ! Reconstruction of all vertical scale factors at now and before time |
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| 278 | ! steps |
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| 279 | ! ============================================================================= |
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| 280 | ! Horizontal scale factor interpolations |
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| 281 | ! -------------------------------------- |
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| 282 | CALL dom_vvl_interpol( fse3t_b(:,:,:), fse3u_b(:,:,:), 'U' ) |
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| 283 | CALL dom_vvl_interpol( fse3t_b(:,:,:), fse3v_b(:,:,:), 'V' ) |
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| 284 | CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3u_n(:,:,:), 'U' ) |
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| 285 | CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3v_n(:,:,:), 'V' ) |
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| 286 | CALL dom_vvl_interpol( fse3u_n(:,:,:), fse3f_n(:,:,:), 'F' ) |
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| 287 | ! Vertical scale factor interpolations |
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| 288 | ! ------------------------------------ |
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| 289 | CALL dom_vvl_interpol( fse3t_n(:,:,:), fse3w_n (:,:,:), 'W' ) |
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| 290 | CALL dom_vvl_interpol( fse3u_n(:,:,:), fse3uw_n(:,:,:), 'UW' ) |
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| 291 | CALL dom_vvl_interpol( fse3v_n(:,:,:), fse3vw_n(:,:,:), 'VW' ) |
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| 292 | CALL dom_vvl_interpol( fse3u_b(:,:,:), fse3uw_b(:,:,:), 'UW' ) |
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| 293 | CALL dom_vvl_interpol( fse3v_b(:,:,:), fse3vw_b(:,:,:), 'VW' ) |
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| 294 | ! t- and w- points depth |
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| 295 | ! ---------------------- |
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| 296 | fsdept_n(:,:,1) = 0.5_wp * fse3w_n(:,:,1) |
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| 297 | fsdepw_n(:,:,1) = 0.0_wp |
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| 298 | fsde3w_n(:,:,1) = fsdept_n(:,:,1) - sshn(:,:) |
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| 299 | DO jk = 2, jpk |
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| 300 | fsdept_n(:,:,jk) = fsdept_n(:,:,jk-1) + fse3w_n(:,:,jk) |
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| 301 | fsdepw_n(:,:,jk) = fsdepw_n(:,:,jk-1) + fse3t_n(:,:,jk-1) |
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| 302 | fsde3w_n(:,:,jk) = fsdept_n(:,:,jk ) - sshn (:,:) |
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| 303 | END DO |
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| 304 | #endif |
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| 305 | ENDIF |
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[3625] | 306 | ENDIF |
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| 307 | |
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| 308 | CALL wrk_dealloc( jpi,jpj, ztmp1, ztmp2 ) |
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[8400] | 309 | |
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| 310 | #if defined key_asminc |
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| 311 | ! Initialize fresh water and salt fluxes from data assim |
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| 312 | ! and data assimilation index to cice |
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| 313 | nfresh_da(:,:) = 0.0 |
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| 314 | nfsalt_da(:,:) = 0.0 |
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| 315 | ndaice_da(:,:) = 0.0 |
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| 316 | #endif |
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[3193] | 317 | ! |
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[8280] | 318 | ! In coupled mode get extra fields from CICE for passing back to atmosphere |
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| 319 | |
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| 320 | IF ( ksbc == jp_purecpl ) CALL cice_sbc_hadgam(nit000) |
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| 321 | ! |
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[3193] | 322 | IF( nn_timing == 1 ) CALL timing_stop('cice_sbc_init') |
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| 323 | ! |
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[2874] | 324 | END SUBROUTINE cice_sbc_init |
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| 325 | |
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[3152] | 326 | |
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[4990] | 327 | SUBROUTINE cice_sbc_in (kt, ksbc) |
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[2874] | 328 | !!--------------------------------------------------------------------- |
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| 329 | !! *** ROUTINE cice_sbc_in *** |
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[3040] | 330 | !! ** Purpose: Set coupling fields and pass to CICE |
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[2874] | 331 | !!--------------------------------------------------------------------- |
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[3152] | 332 | INTEGER, INTENT(in ) :: kt ! ocean time step |
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[4990] | 333 | INTEGER, INTENT(in ) :: ksbc ! surface forcing type |
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[2874] | 334 | |
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[3625] | 335 | INTEGER :: ji, jj, jl ! dummy loop indices |
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| 336 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp, zpice |
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[3152] | 337 | REAL(wp), DIMENSION(:,:,:), POINTER :: ztmpn |
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[3625] | 338 | REAL(wp) :: zintb, zintn ! dummy argument |
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[3152] | 339 | !!--------------------------------------------------------------------- |
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[2874] | 340 | |
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[3193] | 341 | IF( nn_timing == 1 ) CALL timing_start('cice_sbc_in') |
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| 342 | ! |
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[3625] | 343 | CALL wrk_alloc( jpi,jpj, ztmp, zpice ) |
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[3152] | 344 | CALL wrk_alloc( jpi,jpj,ncat, ztmpn ) |
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[2874] | 345 | |
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[3193] | 346 | IF( kt == nit000 ) THEN |
---|
[10774] | 347 | IF(lwp .AND. nprint>1) THEN |
---|
| 348 | WRITE(numout,*)'cice_sbc_in' |
---|
| 349 | IF(lflush) CALL flush(numout) |
---|
| 350 | ENDIF |
---|
[3193] | 351 | ENDIF |
---|
[2874] | 352 | |
---|
[3193] | 353 | ztmp(:,:)=0.0 |
---|
[2874] | 354 | |
---|
| 355 | ! Aggregate ice concentration already set in cice_sbc_out (or cice_sbc_init on |
---|
| 356 | ! the first time-step) |
---|
| 357 | |
---|
| 358 | ! forced and coupled case |
---|
| 359 | |
---|
[5407] | 360 | IF ( (ksbc == jp_flx).OR.(ksbc == jp_purecpl) ) THEN |
---|
[2874] | 361 | |
---|
[3193] | 362 | ztmpn(:,:,:)=0.0 |
---|
[2874] | 363 | |
---|
| 364 | ! x comp of wind stress (CI_1) |
---|
| 365 | ! U point to F point |
---|
[3193] | 366 | DO jj=1,jpjm1 |
---|
| 367 | DO ji=1,jpi |
---|
| 368 | ztmp(ji,jj) = 0.5 * ( fr_iu(ji,jj) * utau(ji,jj) & |
---|
| 369 | + fr_iu(ji,jj+1) * utau(ji,jj+1) ) * fmask(ji,jj,1) |
---|
| 370 | ENDDO |
---|
| 371 | ENDDO |
---|
| 372 | CALL nemo2cice(ztmp,strax,'F', -1. ) |
---|
[2874] | 373 | |
---|
| 374 | ! y comp of wind stress (CI_2) |
---|
| 375 | ! V point to F point |
---|
[3193] | 376 | DO jj=1,jpj |
---|
| 377 | DO ji=1,jpim1 |
---|
| 378 | ztmp(ji,jj) = 0.5 * ( fr_iv(ji,jj) * vtau(ji,jj) & |
---|
| 379 | + fr_iv(ji+1,jj) * vtau(ji+1,jj) ) * fmask(ji,jj,1) |
---|
| 380 | ENDDO |
---|
| 381 | ENDDO |
---|
| 382 | CALL nemo2cice(ztmp,stray,'F', -1. ) |
---|
[2874] | 383 | |
---|
[6488] | 384 | |
---|
| 385 | ! Alex West: From configuration GSI8 onwards, when NEMO is used with CICE in |
---|
| 386 | ! HadGEM3 the 'time-travelling ice' coupling approach is used, whereby |
---|
| 387 | ! atmosphere-ice fluxes are passed as pseudo-local values, formed by dividing |
---|
| 388 | ! gridbox mean fluxes in the UM by future ice concentration obtained through |
---|
| 389 | ! OASIS. This allows for a much more realistic apportionment of energy through |
---|
| 390 | ! the ice - and conserves energy. |
---|
| 391 | ! Therefore the fluxes are now divided by ice concentration in the coupled |
---|
| 392 | ! formulation (jp_purecpl) as well as for jp_flx. This NEMO branch should only |
---|
| 393 | ! be used at UM10.2 onwards (unless an explicit GSI8 UM branch is included), at |
---|
| 394 | ! which point the GSI8 UM changes were committed. |
---|
| 395 | |
---|
[2874] | 396 | ! Surface downward latent heat flux (CI_5) |
---|
[4990] | 397 | IF (ksbc == jp_flx) THEN |
---|
[3625] | 398 | DO jl=1,ncat |
---|
| 399 | ztmpn(:,:,jl)=qla_ice(:,:,1)*a_i(:,:,jl) |
---|
[3193] | 400 | ENDDO |
---|
[6488] | 401 | ELSE IF (ksbc == jp_purecpl) THEN |
---|
| 402 | DO jl=1,ncat |
---|
| 403 | ztmpn(:,:,jl)=qla_ice(:,:,jl)*a_i(:,:,jl) |
---|
[3193] | 404 | ENDDO |
---|
[6488] | 405 | ELSE |
---|
| 406 | !In coupled mode - qla_ice calculated in sbc_cpl for each category |
---|
| 407 | ztmpn(:,:,1:ncat)=qla_ice(:,:,1:ncat) |
---|
[3193] | 408 | ENDIF |
---|
[6488] | 409 | |
---|
[3625] | 410 | DO jl=1,ncat |
---|
| 411 | CALL nemo2cice(ztmpn(:,:,jl),flatn_f(:,:,jl,:),'T', 1. ) |
---|
[2874] | 412 | |
---|
| 413 | ! GBM conductive flux through ice (CI_6) |
---|
| 414 | ! Convert to GBM |
---|
[6488] | 415 | IF (ksbc == jp_flx .OR. ksbc == jp_purecpl) THEN |
---|
[3625] | 416 | ztmp(:,:) = botmelt(:,:,jl)*a_i(:,:,jl) |
---|
[3193] | 417 | ELSE |
---|
[3625] | 418 | ztmp(:,:) = botmelt(:,:,jl) |
---|
[3193] | 419 | ENDIF |
---|
[3625] | 420 | CALL nemo2cice(ztmp,fcondtopn_f(:,:,jl,:),'T', 1. ) |
---|
[2874] | 421 | |
---|
| 422 | ! GBM surface heat flux (CI_7) |
---|
| 423 | ! Convert to GBM |
---|
[6488] | 424 | IF (ksbc == jp_flx .OR. ksbc == jp_purecpl) THEN |
---|
[3625] | 425 | ztmp(:,:) = (topmelt(:,:,jl)+botmelt(:,:,jl))*a_i(:,:,jl) |
---|
[3193] | 426 | ELSE |
---|
[3625] | 427 | ztmp(:,:) = (topmelt(:,:,jl)+botmelt(:,:,jl)) |
---|
[3193] | 428 | ENDIF |
---|
[3625] | 429 | CALL nemo2cice(ztmp,fsurfn_f(:,:,jl,:),'T', 1. ) |
---|
[3193] | 430 | ENDDO |
---|
[2874] | 431 | |
---|
[4990] | 432 | ELSE IF (ksbc == jp_core) THEN |
---|
[2874] | 433 | |
---|
| 434 | ! Pass CORE forcing fields to CICE (which will calculate heat fluxes etc itself) |
---|
| 435 | ! x comp and y comp of atmosphere surface wind (CICE expects on T points) |
---|
[3193] | 436 | ztmp(:,:) = wndi_ice(:,:) |
---|
| 437 | CALL nemo2cice(ztmp,uatm,'T', -1. ) |
---|
| 438 | ztmp(:,:) = wndj_ice(:,:) |
---|
| 439 | CALL nemo2cice(ztmp,vatm,'T', -1. ) |
---|
| 440 | ztmp(:,:) = SQRT ( wndi_ice(:,:)**2 + wndj_ice(:,:)**2 ) |
---|
| 441 | CALL nemo2cice(ztmp,wind,'T', 1. ) ! Wind speed (m/s) |
---|
| 442 | ztmp(:,:) = qsr_ice(:,:,1) |
---|
| 443 | CALL nemo2cice(ztmp,fsw,'T', 1. ) ! Incoming short-wave (W/m^2) |
---|
| 444 | ztmp(:,:) = qlw_ice(:,:,1) |
---|
| 445 | CALL nemo2cice(ztmp,flw,'T', 1. ) ! Incoming long-wave (W/m^2) |
---|
| 446 | ztmp(:,:) = tatm_ice(:,:) |
---|
| 447 | CALL nemo2cice(ztmp,Tair,'T', 1. ) ! Air temperature (K) |
---|
| 448 | CALL nemo2cice(ztmp,potT,'T', 1. ) ! Potential temp (K) |
---|
[2874] | 449 | ! Following line uses MAX(....) to avoid problems if tatm_ice has unset halo rows |
---|
[3193] | 450 | ztmp(:,:) = 101000. / ( 287.04 * MAX(1.0,tatm_ice(:,:)) ) |
---|
| 451 | ! Constant (101000.) atm pressure assumed |
---|
| 452 | CALL nemo2cice(ztmp,rhoa,'T', 1. ) ! Air density (kg/m^3) |
---|
| 453 | ztmp(:,:) = qatm_ice(:,:) |
---|
| 454 | CALL nemo2cice(ztmp,Qa,'T', 1. ) ! Specific humidity (kg/kg) |
---|
| 455 | ztmp(:,:)=10.0 |
---|
| 456 | CALL nemo2cice(ztmp,zlvl,'T', 1. ) ! Atmos level height (m) |
---|
[2874] | 457 | |
---|
| 458 | ! May want to check all values are physically realistic (as in CICE routine |
---|
| 459 | ! prepare_forcing)? |
---|
| 460 | |
---|
| 461 | ! Divide shortwave into spectral bands (as in prepare_forcing) |
---|
[3193] | 462 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdr ! visible direct |
---|
[2874] | 463 | CALL nemo2cice(ztmp,swvdr,'T', 1. ) |
---|
[3193] | 464 | ztmp(:,:)=qsr_ice(:,:,1)*frcvdf ! visible diffuse |
---|
[2874] | 465 | CALL nemo2cice(ztmp,swvdf,'T', 1. ) |
---|
[3193] | 466 | ztmp(:,:)=qsr_ice(:,:,1)*frcidr ! near IR direct |
---|
[2874] | 467 | CALL nemo2cice(ztmp,swidr,'T', 1. ) |
---|
[3193] | 468 | ztmp(:,:)=qsr_ice(:,:,1)*frcidf ! near IR diffuse |
---|
[2874] | 469 | CALL nemo2cice(ztmp,swidf,'T', 1. ) |
---|
| 470 | |
---|
| 471 | ENDIF |
---|
| 472 | |
---|
[8400] | 473 | #if defined key_asminc |
---|
| 474 | !Ice concentration change (from assimilation) |
---|
| 475 | ztmp(:,:)=ndaice_da(:,:)*tmask(:,:,1) |
---|
| 476 | Call nemo2cice(ztmp,daice_da,'T', 1. ) |
---|
| 477 | #endif |
---|
| 478 | |
---|
[2874] | 479 | ! Snowfall |
---|
[4990] | 480 | ! Ensure fsnow is positive (as in CICE routine prepare_forcing) |
---|
| 481 | IF( iom_use('snowpre') ) CALL iom_put('snowpre',MAX( (1.0-fr_i(:,:))*sprecip(:,:) ,0.0)) !!Joakim edit |
---|
[3193] | 482 | ztmp(:,:)=MAX(fr_i(:,:)*sprecip(:,:),0.0) |
---|
| 483 | CALL nemo2cice(ztmp,fsnow,'T', 1. ) |
---|
[2874] | 484 | |
---|
| 485 | ! Rainfall |
---|
[4990] | 486 | IF( iom_use('precip') ) CALL iom_put('precip', (1.0-fr_i(:,:))*(tprecip(:,:)-sprecip(:,:)) ) !!Joakim edit |
---|
[3193] | 487 | ztmp(:,:)=fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
---|
| 488 | CALL nemo2cice(ztmp,frain,'T', 1. ) |
---|
[2874] | 489 | |
---|
[6488] | 490 | ! Recalculate freezing temperature and send to CICE |
---|
[6500] | 491 | CALL eos_fzp(sss_m(:,:), sstfrz(:,:), fsdept_n(:,:,1)) |
---|
[6488] | 492 | CALL nemo2cice(sstfrz,Tf,'T', 1. ) |
---|
| 493 | |
---|
[2874] | 494 | ! Freezing/melting potential |
---|
[3275] | 495 | ! Calculated over NEMO leapfrog timestep (hence 2*dt) |
---|
[6488] | 496 | nfrzmlt(:,:)=rau0*rcp*fse3t_m(:,:)*(sstfrz(:,:)-sst_m(:,:))/(2.0*dt) |
---|
| 497 | CALL nemo2cice(nfrzmlt,frzmlt,'T', 1. ) |
---|
[2874] | 498 | |
---|
| 499 | ! SST and SSS |
---|
| 500 | |
---|
[3193] | 501 | CALL nemo2cice(sst_m,sst,'T', 1. ) |
---|
| 502 | CALL nemo2cice(sss_m,sss,'T', 1. ) |
---|
[2874] | 503 | |
---|
[6488] | 504 | IF( ksbc == jp_purecpl ) THEN |
---|
| 505 | ! Sea ice surface skin temperature |
---|
| 506 | DO jl=1,ncat |
---|
| 507 | CALL nemo2cice(tsfc_ice(:,:,jl), trcrn(:,:,nt_tsfc,jl,:),'T',1.) |
---|
| 508 | ENDDO |
---|
| 509 | ENDIF |
---|
| 510 | |
---|
[2874] | 511 | ! x comp and y comp of surface ocean current |
---|
| 512 | ! U point to F point |
---|
[3193] | 513 | DO jj=1,jpjm1 |
---|
| 514 | DO ji=1,jpi |
---|
| 515 | ztmp(ji,jj)=0.5*(ssu_m(ji,jj)+ssu_m(ji,jj+1))*fmask(ji,jj,1) |
---|
| 516 | ENDDO |
---|
| 517 | ENDDO |
---|
| 518 | CALL nemo2cice(ztmp,uocn,'F', -1. ) |
---|
[2874] | 519 | |
---|
| 520 | ! V point to F point |
---|
[3193] | 521 | DO jj=1,jpj |
---|
| 522 | DO ji=1,jpim1 |
---|
| 523 | ztmp(ji,jj)=0.5*(ssv_m(ji,jj)+ssv_m(ji+1,jj))*fmask(ji,jj,1) |
---|
| 524 | ENDDO |
---|
| 525 | ENDDO |
---|
| 526 | CALL nemo2cice(ztmp,vocn,'F', -1. ) |
---|
[2874] | 527 | |
---|
[3625] | 528 | IF( nn_ice_embd == 2 ) THEN !== embedded sea ice: compute representative ice top surface ==! |
---|
| 529 | ! |
---|
| 530 | ! average interpolation coeff as used in dynspg = (1/nn_fsbc) * {SUM[n/nn_fsbc], n=0,nn_fsbc-1} |
---|
| 531 | ! = (1/nn_fsbc)^2 * {SUM[n], n=0,nn_fsbc-1} |
---|
| 532 | zintn = REAL( nn_fsbc - 1 ) / REAL( nn_fsbc ) * 0.5_wp |
---|
| 533 | ! |
---|
| 534 | ! average interpolation coeff as used in dynspg = (1/nn_fsbc) * {SUM[1-n/nn_fsbc], n=0,nn_fsbc-1} |
---|
| 535 | ! = (1/nn_fsbc)^2 * (nn_fsbc^2 - {SUM[n], n=0,nn_fsbc-1}) |
---|
| 536 | zintb = REAL( nn_fsbc + 1 ) / REAL( nn_fsbc ) * 0.5_wp |
---|
| 537 | ! |
---|
| 538 | zpice(:,:) = ssh_m(:,:) + ( zintn * snwice_mass(:,:) + zintb * snwice_mass_b(:,:) ) * r1_rau0 |
---|
| 539 | ! |
---|
| 540 | ! |
---|
| 541 | ELSE !== non-embedded sea ice: use ocean surface for slope calculation ==! |
---|
| 542 | zpice(:,:) = ssh_m(:,:) |
---|
| 543 | ENDIF |
---|
| 544 | |
---|
[3189] | 545 | ! x comp and y comp of sea surface slope (on F points) |
---|
| 546 | ! T point to F point |
---|
[3193] | 547 | DO jj=1,jpjm1 |
---|
| 548 | DO ji=1,jpim1 |
---|
[3625] | 549 | ztmp(ji,jj)=0.5 * ( (zpice(ji+1,jj )-zpice(ji,jj ))/e1u(ji,jj ) & |
---|
| 550 | + (zpice(ji+1,jj+1)-zpice(ji,jj+1))/e1u(ji,jj+1) ) & |
---|
[3193] | 551 | * fmask(ji,jj,1) |
---|
| 552 | ENDDO |
---|
| 553 | ENDDO |
---|
| 554 | CALL nemo2cice(ztmp,ss_tltx,'F', -1. ) |
---|
[3189] | 555 | |
---|
| 556 | ! T point to F point |
---|
[3193] | 557 | DO jj=1,jpjm1 |
---|
| 558 | DO ji=1,jpim1 |
---|
[3625] | 559 | ztmp(ji,jj)=0.5 * ( (zpice(ji ,jj+1)-zpice(ji ,jj))/e2v(ji ,jj) & |
---|
| 560 | + (zpice(ji+1,jj+1)-zpice(ji+1,jj))/e2v(ji+1,jj) ) & |
---|
[3193] | 561 | * fmask(ji,jj,1) |
---|
| 562 | ENDDO |
---|
| 563 | ENDDO |
---|
| 564 | CALL nemo2cice(ztmp,ss_tlty,'F', -1. ) |
---|
[3189] | 565 | |
---|
[5516] | 566 | CALL wrk_dealloc( jpi,jpj, ztmp, zpice ) |
---|
[3152] | 567 | CALL wrk_dealloc( jpi,jpj,ncat, ztmpn ) |
---|
[3193] | 568 | ! |
---|
| 569 | IF( nn_timing == 1 ) CALL timing_stop('cice_sbc_in') |
---|
| 570 | ! |
---|
[2874] | 571 | END SUBROUTINE cice_sbc_in |
---|
| 572 | |
---|
[3152] | 573 | |
---|
[4990] | 574 | SUBROUTINE cice_sbc_out (kt,ksbc) |
---|
[2874] | 575 | !!--------------------------------------------------------------------- |
---|
| 576 | !! *** ROUTINE cice_sbc_out *** |
---|
[3040] | 577 | !! ** Purpose: Get fields from CICE and set surface fields for NEMO |
---|
[3152] | 578 | !!--------------------------------------------------------------------- |
---|
[2874] | 579 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
[4990] | 580 | INTEGER, INTENT( in ) :: ksbc ! surface forcing type |
---|
[3152] | 581 | |
---|
[3625] | 582 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
| 583 | REAL(wp), DIMENSION(:,:), POINTER :: ztmp1, ztmp2 |
---|
[2874] | 584 | !!--------------------------------------------------------------------- |
---|
| 585 | |
---|
[3193] | 586 | IF( nn_timing == 1 ) CALL timing_start('cice_sbc_out') |
---|
| 587 | ! |
---|
[3625] | 588 | CALL wrk_alloc( jpi,jpj, ztmp1, ztmp2 ) |
---|
[3152] | 589 | |
---|
| 590 | IF( kt == nit000 ) THEN |
---|
[10774] | 591 | IF(lwp .AND. nprint>1) THEN |
---|
| 592 | WRITE(numout,*)'cice_sbc_out' |
---|
| 593 | IF(lflush) CALL flush(numout) |
---|
| 594 | ENDIF |
---|
[3152] | 595 | ENDIF |
---|
| 596 | |
---|
[2874] | 597 | ! x comp of ocean-ice stress |
---|
[3625] | 598 | CALL cice2nemo(strocnx,ztmp1,'F', -1. ) |
---|
[3193] | 599 | ss_iou(:,:)=0.0 |
---|
[2874] | 600 | ! F point to U point |
---|
[3193] | 601 | DO jj=2,jpjm1 |
---|
| 602 | DO ji=2,jpim1 |
---|
[3625] | 603 | ss_iou(ji,jj) = 0.5 * ( ztmp1(ji,jj-1) + ztmp1(ji,jj) ) * umask(ji,jj,1) |
---|
[3193] | 604 | ENDDO |
---|
| 605 | ENDDO |
---|
| 606 | CALL lbc_lnk( ss_iou , 'U', -1. ) |
---|
[2874] | 607 | |
---|
| 608 | ! y comp of ocean-ice stress |
---|
[3625] | 609 | CALL cice2nemo(strocny,ztmp1,'F', -1. ) |
---|
[3193] | 610 | ss_iov(:,:)=0.0 |
---|
[2874] | 611 | ! F point to V point |
---|
| 612 | |
---|
[3193] | 613 | DO jj=1,jpjm1 |
---|
| 614 | DO ji=2,jpim1 |
---|
[3625] | 615 | ss_iov(ji,jj) = 0.5 * ( ztmp1(ji-1,jj) + ztmp1(ji,jj) ) * vmask(ji,jj,1) |
---|
[3193] | 616 | ENDDO |
---|
| 617 | ENDDO |
---|
| 618 | CALL lbc_lnk( ss_iov , 'V', -1. ) |
---|
[2874] | 619 | |
---|
| 620 | ! x and y comps of surface stress |
---|
| 621 | ! Combine wind stress and ocean-ice stress |
---|
| 622 | ! [Note that fr_iu hasn't yet been updated, so still from start of CICE timestep] |
---|
[5133] | 623 | ! strocnx and strocny already weighted by ice fraction in CICE so not done here |
---|
[2874] | 624 | |
---|
[3193] | 625 | utau(:,:)=(1.0-fr_iu(:,:))*utau(:,:)-ss_iou(:,:) |
---|
| 626 | vtau(:,:)=(1.0-fr_iv(:,:))*vtau(:,:)-ss_iov(:,:) |
---|
[5133] | 627 | |
---|
| 628 | ! Also need ice/ocean stress on T points so that taum can be updated |
---|
| 629 | ! This interpolation is already done in CICE so best to use those values |
---|
| 630 | CALL cice2nemo(strocnxT,ztmp1,'T',-1.) |
---|
| 631 | CALL cice2nemo(strocnyT,ztmp2,'T',-1.) |
---|
| 632 | |
---|
| 633 | ! Update taum with modulus of ice-ocean stress |
---|
| 634 | ! strocnxT and strocnyT are not weighted by ice fraction in CICE so must be done here |
---|
| 635 | taum(:,:)=(1.0-fr_i(:,:))*taum(:,:)+fr_i(:,:)*SQRT(ztmp1**2. + ztmp2**2.) |
---|
[2874] | 636 | |
---|
| 637 | ! Freshwater fluxes |
---|
| 638 | |
---|
[4990] | 639 | IF (ksbc == jp_flx) THEN |
---|
[2874] | 640 | ! Note that emp from the forcing files is evap*(1-aice)-(tprecip-aice*sprecip) |
---|
| 641 | ! What we want here is evap*(1-aice)-tprecip*(1-aice) hence manipulation below |
---|
| 642 | ! Not ideal since aice won't be the same as in the atmosphere. |
---|
| 643 | ! Better to use evap and tprecip? (but for now don't read in evap in this case) |
---|
[3193] | 644 | emp(:,:) = emp(:,:)+fr_i(:,:)*(tprecip(:,:)-sprecip(:,:)) |
---|
[4990] | 645 | ELSE IF (ksbc == jp_core) THEN |
---|
[3193] | 646 | emp(:,:) = (1.0-fr_i(:,:))*emp(:,:) |
---|
[5407] | 647 | ELSE IF (ksbc == jp_purecpl) THEN |
---|
[3625] | 648 | ! emp_tot is set in sbc_cpl_ice_flx (called from cice_sbc_in above) |
---|
| 649 | ! This is currently as required with the coupling fields from the UM atmosphere |
---|
[3193] | 650 | emp(:,:) = emp_tot(:,:)+tprecip(:,:)*fr_i(:,:) |
---|
| 651 | ENDIF |
---|
[2874] | 652 | |
---|
[4990] | 653 | #if defined key_cice4 |
---|
[3625] | 654 | CALL cice2nemo(fresh_gbm,ztmp1,'T', 1. ) |
---|
| 655 | CALL cice2nemo(fsalt_gbm,ztmp2,'T', 1. ) |
---|
[4990] | 656 | #else |
---|
| 657 | CALL cice2nemo(fresh_ai,ztmp1,'T', 1. ) |
---|
| 658 | CALL cice2nemo(fsalt_ai,ztmp2,'T', 1. ) |
---|
| 659 | #endif |
---|
[2874] | 660 | |
---|
[3625] | 661 | ! Check to avoid unphysical expression when ice is forming (ztmp1 negative) |
---|
| 662 | ! Otherwise we are effectively allowing ice of higher salinity than the ocean to form |
---|
| 663 | ! which has to be compensated for by the ocean salinity potentially going negative |
---|
| 664 | ! This check breaks conservation but seems reasonable until we have prognostic ice salinity |
---|
| 665 | ! Note the 1000.0 below is to convert from kg salt to g salt (needed for PSU) |
---|
| 666 | WHERE (ztmp1(:,:).lt.0.0) ztmp2(:,:)=MAX(ztmp2(:,:),ztmp1(:,:)*sss_m(:,:)/1000.0) |
---|
| 667 | sfx(:,:)=ztmp2(:,:)*1000.0 |
---|
| 668 | emp(:,:)=emp(:,:)-ztmp1(:,:) |
---|
[4990] | 669 | fmmflx(:,:) = ztmp1(:,:) !!Joakim edit |
---|
| 670 | |
---|
[3193] | 671 | CALL lbc_lnk( emp , 'T', 1. ) |
---|
[3625] | 672 | CALL lbc_lnk( sfx , 'T', 1. ) |
---|
[2874] | 673 | |
---|
| 674 | ! Solar penetrative radiation and non solar surface heat flux |
---|
| 675 | |
---|
| 676 | ! Scale qsr and qns according to ice fraction (bulk formulae only) |
---|
| 677 | |
---|
[4990] | 678 | IF (ksbc == jp_core) THEN |
---|
[3193] | 679 | qsr(:,:)=qsr(:,:)*(1.0-fr_i(:,:)) |
---|
| 680 | qns(:,:)=qns(:,:)*(1.0-fr_i(:,:)) |
---|
| 681 | ENDIF |
---|
[2874] | 682 | ! Take into account snow melting except for fully coupled when already in qns_tot |
---|
[5407] | 683 | IF (ksbc == jp_purecpl) THEN |
---|
[3193] | 684 | qsr(:,:)= qsr_tot(:,:) |
---|
| 685 | qns(:,:)= qns_tot(:,:) |
---|
| 686 | ELSE |
---|
| 687 | qns(:,:)= qns(:,:)-sprecip(:,:)*Lfresh*(1.0-fr_i(:,:)) |
---|
| 688 | ENDIF |
---|
[2874] | 689 | |
---|
| 690 | ! Now add in ice / snow related terms |
---|
| 691 | ! [fswthru will be zero unless running with calc_Tsfc=T in CICE] |
---|
[4990] | 692 | #if defined key_cice4 |
---|
[3625] | 693 | CALL cice2nemo(fswthru_gbm,ztmp1,'T', 1. ) |
---|
[4990] | 694 | #else |
---|
| 695 | CALL cice2nemo(fswthru_ai,ztmp1,'T', 1. ) |
---|
| 696 | #endif |
---|
[3625] | 697 | qsr(:,:)=qsr(:,:)+ztmp1(:,:) |
---|
[3193] | 698 | CALL lbc_lnk( qsr , 'T', 1. ) |
---|
[2874] | 699 | |
---|
[3193] | 700 | DO jj=1,jpj |
---|
| 701 | DO ji=1,jpi |
---|
[2874] | 702 | nfrzmlt(ji,jj)=MAX(nfrzmlt(ji,jj),0.0) |
---|
[3193] | 703 | ENDDO |
---|
| 704 | ENDDO |
---|
[2874] | 705 | |
---|
[4990] | 706 | #if defined key_cice4 |
---|
[3625] | 707 | CALL cice2nemo(fhocn_gbm,ztmp1,'T', 1. ) |
---|
[4990] | 708 | #else |
---|
| 709 | CALL cice2nemo(fhocn_ai,ztmp1,'T', 1. ) |
---|
| 710 | #endif |
---|
[3625] | 711 | qns(:,:)=qns(:,:)+nfrzmlt(:,:)+ztmp1(:,:) |
---|
[2874] | 712 | |
---|
[3193] | 713 | CALL lbc_lnk( qns , 'T', 1. ) |
---|
[2874] | 714 | |
---|
| 715 | ! Prepare for the following CICE time-step |
---|
| 716 | |
---|
[3193] | 717 | CALL cice2nemo(aice,fr_i,'T', 1. ) |
---|
[5407] | 718 | IF ( (ksbc == jp_flx).OR.(ksbc == jp_purecpl) ) THEN |
---|
[3625] | 719 | DO jl=1,ncat |
---|
| 720 | CALL cice2nemo(aicen(:,:,jl,:),a_i(:,:,jl), 'T', 1. ) |
---|
[3193] | 721 | ENDDO |
---|
| 722 | ENDIF |
---|
[2874] | 723 | |
---|
| 724 | ! T point to U point |
---|
| 725 | ! T point to V point |
---|
[3193] | 726 | DO jj=1,jpjm1 |
---|
| 727 | DO ji=1,jpim1 |
---|
| 728 | fr_iu(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji+1,jj))*umask(ji,jj,1) |
---|
| 729 | fr_iv(ji,jj)=0.5*(fr_i(ji,jj)+fr_i(ji,jj+1))*vmask(ji,jj,1) |
---|
| 730 | ENDDO |
---|
| 731 | ENDDO |
---|
[2874] | 732 | |
---|
[3193] | 733 | CALL lbc_lnk ( fr_iu , 'U', 1. ) |
---|
| 734 | CALL lbc_lnk ( fr_iv , 'V', 1. ) |
---|
[2874] | 735 | |
---|
[3625] | 736 | ! ! embedded sea ice |
---|
| 737 | IF( nn_ice_embd /= 0 ) THEN ! mass exchanges between ice and ocean (case 1 or 2) set the snow+ice mass |
---|
| 738 | CALL cice2nemo(vsno(:,:,:),ztmp1,'T', 1. ) |
---|
| 739 | CALL cice2nemo(vice(:,:,:),ztmp2,'T', 1. ) |
---|
| 740 | snwice_mass (:,:) = ( rhosn * ztmp1(:,:) + rhoic * ztmp2(:,:) ) |
---|
| 741 | snwice_mass_b(:,:) = snwice_mass(:,:) |
---|
| 742 | snwice_fmass (:,:) = ( snwice_mass(:,:) - snwice_mass_b(:,:) ) / dt |
---|
| 743 | ENDIF |
---|
| 744 | |
---|
[8400] | 745 | #if defined key_asminc |
---|
| 746 | ! Import fresh water and salt flux due to seaice da |
---|
| 747 | CALL cice2nemo(fresh_da, nfresh_da,'T',1.0) |
---|
| 748 | CALL cice2nemo(fsalt_da, nfsalt_da,'T',1.0) |
---|
| 749 | #endif |
---|
| 750 | |
---|
[2874] | 751 | ! Release work space |
---|
| 752 | |
---|
[3625] | 753 | CALL wrk_dealloc( jpi,jpj, ztmp1, ztmp2 ) |
---|
[3193] | 754 | ! |
---|
| 755 | IF( nn_timing == 1 ) CALL timing_stop('cice_sbc_out') |
---|
| 756 | ! |
---|
[2874] | 757 | END SUBROUTINE cice_sbc_out |
---|
| 758 | |
---|
[3152] | 759 | |
---|
[2874] | 760 | SUBROUTINE cice_sbc_hadgam( kt ) |
---|
| 761 | !!--------------------------------------------------------------------- |
---|
| 762 | !! *** ROUTINE cice_sbc_hadgam *** |
---|
[3040] | 763 | !! ** Purpose: Prepare fields needed to pass to HadGAM3 atmosphere |
---|
[2874] | 764 | !! |
---|
| 765 | !! |
---|
| 766 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
| 767 | !!--------------------------------------------------------------------- |
---|
| 768 | |
---|
[3625] | 769 | INTEGER :: jl ! dummy loop index |
---|
[3193] | 770 | INTEGER :: ierror |
---|
[2874] | 771 | |
---|
[3193] | 772 | IF( nn_timing == 1 ) CALL timing_start('cice_sbc_hadgam') |
---|
| 773 | ! |
---|
[2874] | 774 | ! ! =========================== ! |
---|
| 775 | ! ! Prepare Coupling fields ! |
---|
| 776 | ! ! =========================== ! |
---|
| 777 | |
---|
| 778 | ! x and y comp of ice velocity |
---|
| 779 | |
---|
[3193] | 780 | CALL cice2nemo(uvel,u_ice,'F', -1. ) |
---|
| 781 | CALL cice2nemo(vvel,v_ice,'F', -1. ) |
---|
[2874] | 782 | |
---|
| 783 | ! Ice concentration (CO_1) = a_i calculated at end of cice_sbc_out |
---|
| 784 | |
---|
| 785 | ! Snow and ice thicknesses (CO_2 and CO_3) |
---|
| 786 | |
---|
[3625] | 787 | DO jl = 1,ncat |
---|
| 788 | CALL cice2nemo(vsnon(:,:,jl,:),ht_s(:,:,jl),'T', 1. ) |
---|
| 789 | CALL cice2nemo(vicen(:,:,jl,:),ht_i(:,:,jl),'T', 1. ) |
---|
[3193] | 790 | ENDDO |
---|
[6488] | 791 | |
---|
| 792 | #if ! defined key_cice4 |
---|
| 793 | ! Meltpond fraction and depth |
---|
| 794 | DO jl = 1,ncat |
---|
| 795 | CALL cice2nemo(apeffn(:,:,jl,:),a_p(:,:,jl),'T', 1. ) |
---|
| 796 | CALL cice2nemo(trcrn(:,:,nt_hpnd,jl,:),ht_p(:,:,jl),'T', 1. ) |
---|
| 797 | ENDDO |
---|
| 798 | #endif |
---|
| 799 | |
---|
| 800 | |
---|
| 801 | ! If using multilayers thermodynamics in CICE then get top layer temperature |
---|
| 802 | ! and effective conductivity |
---|
| 803 | !! When using NEMO with CICE, this change requires use of |
---|
| 804 | !! one of the following two CICE branches: |
---|
| 805 | !! - at CICE5.0, hadax/r1015_GSI8_with_GSI7 |
---|
| 806 | !! - at CICE5.1.2, hadax/vn5.1.2_GSI8 |
---|
| 807 | IF (heat_capacity) THEN |
---|
| 808 | DO jl = 1,ncat |
---|
| 809 | CALL cice2nemo(Tn_top(:,:,jl,:),tn_ice(:,:,jl),'T', 1. ) |
---|
| 810 | CALL cice2nemo(keffn_top(:,:,jl,:),kn_ice(:,:,jl),'T', 1. ) |
---|
| 811 | ENDDO |
---|
| 812 | ! Convert surface temperature to Kelvin |
---|
| 813 | tn_ice(:,:,:)=tn_ice(:,:,:)+rt0 |
---|
| 814 | ELSE |
---|
| 815 | tn_ice(:,:,:) = 0.0 |
---|
| 816 | kn_ice(:,:,:) = 0.0 |
---|
| 817 | ENDIF |
---|
| 818 | |
---|
[3193] | 819 | ! |
---|
| 820 | IF( nn_timing == 1 ) CALL timing_stop('cice_sbc_hadgam') |
---|
| 821 | ! |
---|
[2874] | 822 | END SUBROUTINE cice_sbc_hadgam |
---|
| 823 | |
---|
| 824 | |
---|
| 825 | SUBROUTINE cice_sbc_final |
---|
| 826 | !!--------------------------------------------------------------------- |
---|
| 827 | !! *** ROUTINE cice_sbc_final *** |
---|
| 828 | !! ** Purpose: Finalize CICE |
---|
| 829 | !!--------------------------------------------------------------------- |
---|
| 830 | |
---|
[10774] | 831 | IF(lwp .AND. nprint > 1) THEN |
---|
| 832 | WRITE(numout,*)'cice_sbc_final' |
---|
| 833 | IF(lflush) CALL flush(numout) |
---|
| 834 | ENDIF |
---|
[2874] | 835 | |
---|
[3193] | 836 | CALL CICE_Finalize |
---|
[2874] | 837 | |
---|
| 838 | END SUBROUTINE cice_sbc_final |
---|
| 839 | |
---|
| 840 | SUBROUTINE cice_sbc_force (kt) |
---|
| 841 | !!--------------------------------------------------------------------- |
---|
| 842 | !! *** ROUTINE cice_sbc_force *** |
---|
| 843 | !! ** Purpose : Provide CICE forcing from files |
---|
| 844 | !! |
---|
| 845 | !!--------------------------------------------------------------------- |
---|
| 846 | !! ** Method : READ monthly flux file in NetCDF files |
---|
| 847 | !! |
---|
| 848 | !! snowfall |
---|
| 849 | !! rainfall |
---|
| 850 | !! sublimation rate |
---|
| 851 | !! topmelt (category) |
---|
| 852 | !! botmelt (category) |
---|
| 853 | !! |
---|
| 854 | !! History : |
---|
| 855 | !!---------------------------------------------------------------------- |
---|
| 856 | !! * Modules used |
---|
| 857 | USE iom |
---|
| 858 | |
---|
| 859 | !! * arguments |
---|
| 860 | INTEGER, INTENT( in ) :: kt ! ocean time step |
---|
| 861 | |
---|
| 862 | INTEGER :: ierror ! return error code |
---|
| 863 | INTEGER :: ifpr ! dummy loop index |
---|
| 864 | !! |
---|
| 865 | CHARACTER(len=100) :: cn_dir ! Root directory for location of CICE forcing files |
---|
| 866 | TYPE(FLD_N), DIMENSION(jpfld) :: slf_i ! array of namelist informations on the fields to read |
---|
| 867 | TYPE(FLD_N) :: sn_snow, sn_rain, sn_sblm ! informations about the fields to be read |
---|
| 868 | TYPE(FLD_N) :: sn_top1, sn_top2, sn_top3, sn_top4, sn_top5 |
---|
| 869 | TYPE(FLD_N) :: sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
---|
| 870 | |
---|
| 871 | !! |
---|
| 872 | NAMELIST/namsbc_cice/ cn_dir, sn_snow, sn_rain, sn_sblm, & |
---|
| 873 | & sn_top1, sn_top2, sn_top3, sn_top4, sn_top5, & |
---|
| 874 | & sn_bot1, sn_bot2, sn_bot3, sn_bot4, sn_bot5 |
---|
[4230] | 875 | INTEGER :: ios |
---|
[2874] | 876 | !!--------------------------------------------------------------------- |
---|
| 877 | |
---|
| 878 | ! ! ====================== ! |
---|
| 879 | IF( kt == nit000 ) THEN ! First call kt=nit000 ! |
---|
| 880 | ! ! ====================== ! |
---|
[4990] | 881 | ! namsbc_cice is not yet in the reference namelist |
---|
| 882 | ! set file information (default values) |
---|
| 883 | cn_dir = './' ! directory in which the model is executed |
---|
| 884 | |
---|
| 885 | ! (NB: frequency positive => hours, negative => months) |
---|
| 886 | ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! landmask |
---|
| 887 | ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! file |
---|
| 888 | sn_snow = FLD_N( 'snowfall_1m' , -1. , 'snowfall' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 889 | sn_rain = FLD_N( 'rainfall_1m' , -1. , 'rainfall' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 890 | sn_sblm = FLD_N( 'sublim_1m' , -1. , 'sublim' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 891 | sn_top1 = FLD_N( 'topmeltn1_1m' , -1. , 'topmeltn1' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 892 | sn_top2 = FLD_N( 'topmeltn2_1m' , -1. , 'topmeltn2' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 893 | sn_top3 = FLD_N( 'topmeltn3_1m' , -1. , 'topmeltn3' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 894 | sn_top4 = FLD_N( 'topmeltn4_1m' , -1. , 'topmeltn4' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 895 | sn_top5 = FLD_N( 'topmeltn5_1m' , -1. , 'topmeltn5' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 896 | sn_bot1 = FLD_N( 'botmeltn1_1m' , -1. , 'botmeltn1' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 897 | sn_bot2 = FLD_N( 'botmeltn2_1m' , -1. , 'botmeltn2' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 898 | sn_bot3 = FLD_N( 'botmeltn3_1m' , -1. , 'botmeltn3' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 899 | sn_bot4 = FLD_N( 'botmeltn4_1m' , -1. , 'botmeltn4' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 900 | sn_bot5 = FLD_N( 'botmeltn5_1m' , -1. , 'botmeltn5' , .true. , .true. , ' yearly' , '' , '' , '' ) |
---|
| 901 | |
---|
[4230] | 902 | REWIND( numnam_ref ) ! Namelist namsbc_cice in reference namelist : |
---|
| 903 | READ ( numnam_ref, namsbc_cice, IOSTAT = ios, ERR = 901) |
---|
| 904 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cice in reference namelist', lwp ) |
---|
[2874] | 905 | |
---|
[4230] | 906 | REWIND( numnam_cfg ) ! Namelist namsbc_cice in configuration namelist : Parameters of the run |
---|
| 907 | READ ( numnam_cfg, namsbc_cice, IOSTAT = ios, ERR = 902 ) |
---|
| 908 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_cice in configuration namelist', lwp ) |
---|
[10759] | 909 | IF(lwm .AND. nprint > 2) WRITE ( numond, namsbc_cice ) |
---|
[2874] | 910 | |
---|
| 911 | ! store namelist information in an array |
---|
| 912 | slf_i(jp_snow) = sn_snow ; slf_i(jp_rain) = sn_rain ; slf_i(jp_sblm) = sn_sblm |
---|
| 913 | slf_i(jp_top1) = sn_top1 ; slf_i(jp_top2) = sn_top2 ; slf_i(jp_top3) = sn_top3 |
---|
| 914 | slf_i(jp_top4) = sn_top4 ; slf_i(jp_top5) = sn_top5 ; slf_i(jp_bot1) = sn_bot1 |
---|
| 915 | slf_i(jp_bot2) = sn_bot2 ; slf_i(jp_bot3) = sn_bot3 ; slf_i(jp_bot4) = sn_bot4 |
---|
| 916 | slf_i(jp_bot5) = sn_bot5 |
---|
| 917 | |
---|
| 918 | ! set sf structure |
---|
| 919 | ALLOCATE( sf(jpfld), STAT=ierror ) |
---|
| 920 | IF( ierror > 0 ) THEN |
---|
| 921 | CALL ctl_stop( 'cice_sbc_force: unable to allocate sf structure' ) ; RETURN |
---|
| 922 | ENDIF |
---|
| 923 | |
---|
| 924 | DO ifpr= 1, jpfld |
---|
| 925 | ALLOCATE( sf(ifpr)%fnow(jpi,jpj,1) ) |
---|
| 926 | ALLOCATE( sf(ifpr)%fdta(jpi,jpj,1,2) ) |
---|
| 927 | END DO |
---|
| 928 | |
---|
| 929 | ! fill sf with slf_i and control print |
---|
| 930 | CALL fld_fill( sf, slf_i, cn_dir, 'cice_sbc_force', 'flux formulation for CICE', 'namsbc_cice' ) |
---|
| 931 | ! |
---|
| 932 | ENDIF |
---|
| 933 | |
---|
| 934 | CALL fld_read( kt, nn_fsbc, sf ) ! Read input fields and provides the |
---|
| 935 | ! ! input fields at the current time-step |
---|
| 936 | |
---|
| 937 | ! set the fluxes from read fields |
---|
| 938 | sprecip(:,:) = sf(jp_snow)%fnow(:,:,1) |
---|
| 939 | tprecip(:,:) = sf(jp_snow)%fnow(:,:,1)+sf(jp_rain)%fnow(:,:,1) |
---|
[3040] | 940 | ! May be better to do this conversion somewhere else |
---|
[2874] | 941 | qla_ice(:,:,1) = -Lsub*sf(jp_sblm)%fnow(:,:,1) |
---|
| 942 | topmelt(:,:,1) = sf(jp_top1)%fnow(:,:,1) |
---|
| 943 | topmelt(:,:,2) = sf(jp_top2)%fnow(:,:,1) |
---|
| 944 | topmelt(:,:,3) = sf(jp_top3)%fnow(:,:,1) |
---|
| 945 | topmelt(:,:,4) = sf(jp_top4)%fnow(:,:,1) |
---|
| 946 | topmelt(:,:,5) = sf(jp_top5)%fnow(:,:,1) |
---|
| 947 | botmelt(:,:,1) = sf(jp_bot1)%fnow(:,:,1) |
---|
| 948 | botmelt(:,:,2) = sf(jp_bot2)%fnow(:,:,1) |
---|
| 949 | botmelt(:,:,3) = sf(jp_bot3)%fnow(:,:,1) |
---|
| 950 | botmelt(:,:,4) = sf(jp_bot4)%fnow(:,:,1) |
---|
| 951 | botmelt(:,:,5) = sf(jp_bot5)%fnow(:,:,1) |
---|
| 952 | |
---|
| 953 | ! control print (if less than 100 time-step asked) |
---|
| 954 | IF( nitend-nit000 <= 100 .AND. lwp ) THEN |
---|
| 955 | WRITE(numout,*) |
---|
| 956 | WRITE(numout,*) ' read forcing fluxes for CICE OK' |
---|
[10774] | 957 | IF(lflush) CALL flush(numout) |
---|
[2874] | 958 | ENDIF |
---|
| 959 | |
---|
| 960 | END SUBROUTINE cice_sbc_force |
---|
| 961 | |
---|
| 962 | SUBROUTINE nemo2cice( pn, pc, cd_type, psgn) |
---|
| 963 | !!--------------------------------------------------------------------- |
---|
| 964 | !! *** ROUTINE nemo2cice *** |
---|
| 965 | !! ** Purpose : Transfer field in NEMO array to field in CICE array. |
---|
| 966 | #if defined key_nemocice_decomp |
---|
| 967 | !! |
---|
| 968 | !! NEMO and CICE PE sub domains are identical, hence |
---|
| 969 | !! there is no need to gather or scatter data from |
---|
| 970 | !! one PE configuration to another. |
---|
| 971 | #else |
---|
| 972 | !! Automatically gather/scatter between |
---|
| 973 | !! different processors and blocks |
---|
| 974 | !! ** Method : A. Ensure all haloes are filled in NEMO field (pn) |
---|
| 975 | !! B. Gather pn into global array (png) |
---|
| 976 | !! C. Map png into CICE global array (pcg) |
---|
| 977 | !! D. Scatter pcg to CICE blocks (pc) + update haloes |
---|
| 978 | #endif |
---|
| 979 | !!--------------------------------------------------------------------- |
---|
| 980 | |
---|
[3193] | 981 | CHARACTER(len=1), INTENT( in ) :: & |
---|
| 982 | cd_type ! nature of pn grid-point |
---|
| 983 | ! ! = T or F gridpoints |
---|
| 984 | REAL(wp), INTENT( in ) :: & |
---|
| 985 | psgn ! control of the sign change |
---|
| 986 | ! ! =-1 , the sign is modified following the type of b.c. used |
---|
| 987 | ! ! = 1 , no sign change |
---|
| 988 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
---|
[2874] | 989 | #if !defined key_nemocice_decomp |
---|
[3625] | 990 | REAL(wp), DIMENSION(jpiglo,jpjglo) :: png2 |
---|
[3193] | 991 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
---|
[2874] | 992 | #endif |
---|
[3193] | 993 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
---|
| 994 | INTEGER (int_kind) :: & |
---|
| 995 | field_type, &! id for type of field (scalar, vector, angle) |
---|
| 996 | grid_loc ! id for location on horizontal grid |
---|
[2874] | 997 | ! (center, NEcorner, Nface, Eface) |
---|
| 998 | |
---|
[3193] | 999 | INTEGER :: ji, jj, jn ! dummy loop indices |
---|
[2874] | 1000 | |
---|
[3193] | 1001 | ! A. Ensure all haloes are filled in NEMO field (pn) |
---|
[2874] | 1002 | |
---|
[3193] | 1003 | CALL lbc_lnk( pn , cd_type, psgn ) |
---|
[2874] | 1004 | |
---|
| 1005 | #if defined key_nemocice_decomp |
---|
| 1006 | |
---|
[3193] | 1007 | ! Copy local domain data from NEMO to CICE field |
---|
| 1008 | pc(:,:,1)=0.0 |
---|
[3625] | 1009 | DO jj=2,ny_block-1 |
---|
| 1010 | DO ji=2,nx_block-1 |
---|
| 1011 | pc(ji,jj,1)=pn(ji-1+ji_off,jj-1+jj_off) |
---|
[3193] | 1012 | ENDDO |
---|
| 1013 | ENDDO |
---|
[2874] | 1014 | |
---|
| 1015 | #else |
---|
| 1016 | |
---|
[3193] | 1017 | ! B. Gather pn into global array (png) |
---|
[2874] | 1018 | |
---|
[3193] | 1019 | IF ( jpnij > 1) THEN |
---|
| 1020 | CALL mppsync |
---|
| 1021 | CALL mppgather (pn,0,png) |
---|
| 1022 | CALL mppsync |
---|
| 1023 | ELSE |
---|
| 1024 | png(:,:,1)=pn(:,:) |
---|
| 1025 | ENDIF |
---|
[2874] | 1026 | |
---|
[3193] | 1027 | ! C. Map png into CICE global array (pcg) |
---|
[2874] | 1028 | |
---|
| 1029 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
---|
| 1030 | ! (may be OK but not 100% sure) |
---|
| 1031 | |
---|
[3193] | 1032 | IF (nproc==0) THEN |
---|
[2874] | 1033 | ! pcg(:,:)=0.0 |
---|
[3193] | 1034 | DO jn=1,jpnij |
---|
[3625] | 1035 | DO jj=nldjt(jn),nlejt(jn) |
---|
| 1036 | DO ji=nldit(jn),nleit(jn) |
---|
| 1037 | png2(ji+nimppt(jn)-1,jj+njmppt(jn)-1)=png(ji,jj,jn) |
---|
[3193] | 1038 | ENDDO |
---|
| 1039 | ENDDO |
---|
| 1040 | ENDDO |
---|
[3625] | 1041 | DO jj=1,ny_global |
---|
| 1042 | DO ji=1,nx_global |
---|
| 1043 | pcg(ji,jj)=png2(ji+ji_off,jj+jj_off) |
---|
| 1044 | ENDDO |
---|
| 1045 | ENDDO |
---|
[3193] | 1046 | ENDIF |
---|
[2874] | 1047 | |
---|
| 1048 | #endif |
---|
| 1049 | |
---|
[3193] | 1050 | SELECT CASE ( cd_type ) |
---|
| 1051 | CASE ( 'T' ) |
---|
| 1052 | grid_loc=field_loc_center |
---|
| 1053 | CASE ( 'F' ) |
---|
| 1054 | grid_loc=field_loc_NEcorner |
---|
| 1055 | END SELECT |
---|
[2874] | 1056 | |
---|
[3193] | 1057 | SELECT CASE ( NINT(psgn) ) |
---|
| 1058 | CASE ( -1 ) |
---|
| 1059 | field_type=field_type_vector |
---|
| 1060 | CASE ( 1 ) |
---|
| 1061 | field_type=field_type_scalar |
---|
| 1062 | END SELECT |
---|
[2874] | 1063 | |
---|
| 1064 | #if defined key_nemocice_decomp |
---|
[3193] | 1065 | ! Ensure CICE halos are up to date |
---|
| 1066 | CALL ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
---|
[2874] | 1067 | #else |
---|
[3193] | 1068 | ! D. Scatter pcg to CICE blocks (pc) + update halos |
---|
| 1069 | CALL scatter_global(pc, pcg, 0, distrb_info, grid_loc, field_type) |
---|
[2874] | 1070 | #endif |
---|
| 1071 | |
---|
| 1072 | END SUBROUTINE nemo2cice |
---|
| 1073 | |
---|
| 1074 | SUBROUTINE cice2nemo ( pc, pn, cd_type, psgn ) |
---|
| 1075 | !!--------------------------------------------------------------------- |
---|
| 1076 | !! *** ROUTINE cice2nemo *** |
---|
| 1077 | !! ** Purpose : Transfer field in CICE array to field in NEMO array. |
---|
| 1078 | #if defined key_nemocice_decomp |
---|
| 1079 | !! |
---|
| 1080 | !! NEMO and CICE PE sub domains are identical, hence |
---|
| 1081 | !! there is no need to gather or scatter data from |
---|
| 1082 | !! one PE configuration to another. |
---|
| 1083 | #else |
---|
| 1084 | !! Automatically deal with scatter/gather between |
---|
| 1085 | !! different processors and blocks |
---|
| 1086 | !! ** Method : A. Gather CICE blocks (pc) into global array (pcg) |
---|
| 1087 | !! B. Map pcg into NEMO global array (png) |
---|
| 1088 | !! C. Scatter png into NEMO field (pn) for each processor |
---|
| 1089 | !! D. Ensure all haloes are filled in pn |
---|
| 1090 | #endif |
---|
| 1091 | !!--------------------------------------------------------------------- |
---|
| 1092 | |
---|
[3193] | 1093 | CHARACTER(len=1), INTENT( in ) :: & |
---|
| 1094 | cd_type ! nature of pn grid-point |
---|
| 1095 | ! ! = T or F gridpoints |
---|
| 1096 | REAL(wp), INTENT( in ) :: & |
---|
| 1097 | psgn ! control of the sign change |
---|
| 1098 | ! ! =-1 , the sign is modified following the type of b.c. used |
---|
| 1099 | ! ! = 1 , no sign change |
---|
| 1100 | REAL(wp), DIMENSION(jpi,jpj) :: pn |
---|
[2874] | 1101 | |
---|
| 1102 | #if defined key_nemocice_decomp |
---|
[3193] | 1103 | INTEGER (int_kind) :: & |
---|
| 1104 | field_type, & ! id for type of field (scalar, vector, angle) |
---|
| 1105 | grid_loc ! id for location on horizontal grid |
---|
| 1106 | ! (center, NEcorner, Nface, Eface) |
---|
[2874] | 1107 | #else |
---|
[3193] | 1108 | REAL (kind=dbl_kind), dimension(nx_global,ny_global) :: pcg |
---|
[2874] | 1109 | #endif |
---|
| 1110 | |
---|
[3193] | 1111 | REAL (kind=dbl_kind), dimension(nx_block,ny_block,max_blocks) :: pc |
---|
[2874] | 1112 | |
---|
[3193] | 1113 | INTEGER :: ji, jj, jn ! dummy loop indices |
---|
[2874] | 1114 | |
---|
| 1115 | |
---|
| 1116 | #if defined key_nemocice_decomp |
---|
| 1117 | |
---|
[3193] | 1118 | SELECT CASE ( cd_type ) |
---|
| 1119 | CASE ( 'T' ) |
---|
| 1120 | grid_loc=field_loc_center |
---|
| 1121 | CASE ( 'F' ) |
---|
| 1122 | grid_loc=field_loc_NEcorner |
---|
| 1123 | END SELECT |
---|
[2874] | 1124 | |
---|
[3193] | 1125 | SELECT CASE ( NINT(psgn) ) |
---|
| 1126 | CASE ( -1 ) |
---|
| 1127 | field_type=field_type_vector |
---|
| 1128 | CASE ( 1 ) |
---|
| 1129 | field_type=field_type_scalar |
---|
| 1130 | END SELECT |
---|
[2874] | 1131 | |
---|
[3193] | 1132 | CALL ice_HaloUpdate (pc, halo_info, grid_loc, field_type) |
---|
[2874] | 1133 | |
---|
| 1134 | |
---|
[3193] | 1135 | pn(:,:)=0.0 |
---|
| 1136 | DO jj=1,jpjm1 |
---|
| 1137 | DO ji=1,jpim1 |
---|
[3625] | 1138 | pn(ji,jj)=pc(ji+1-ji_off,jj+1-jj_off,1) |
---|
[3193] | 1139 | ENDDO |
---|
| 1140 | ENDDO |
---|
[2874] | 1141 | |
---|
| 1142 | #else |
---|
| 1143 | |
---|
[3193] | 1144 | ! A. Gather CICE blocks (pc) into global array (pcg) |
---|
[2874] | 1145 | |
---|
[3193] | 1146 | CALL gather_global(pcg, pc, 0, distrb_info) |
---|
[2874] | 1147 | |
---|
| 1148 | ! B. Map pcg into NEMO global array (png) |
---|
| 1149 | |
---|
| 1150 | ! Need to make sure this is robust to changes in NEMO halo rows.... |
---|
| 1151 | ! (may be OK but not spent much time thinking about it) |
---|
[3625] | 1152 | ! Note that non-existent pcg elements may be used below, but |
---|
| 1153 | ! the lbclnk call on pn will replace these with sensible values |
---|
[2874] | 1154 | |
---|
[3193] | 1155 | IF (nproc==0) THEN |
---|
| 1156 | png(:,:,:)=0.0 |
---|
| 1157 | DO jn=1,jpnij |
---|
[3625] | 1158 | DO jj=nldjt(jn),nlejt(jn) |
---|
| 1159 | DO ji=nldit(jn),nleit(jn) |
---|
| 1160 | png(ji,jj,jn)=pcg(ji+nimppt(jn)-1-ji_off,jj+njmppt(jn)-1-jj_off) |
---|
[3193] | 1161 | ENDDO |
---|
| 1162 | ENDDO |
---|
| 1163 | ENDDO |
---|
| 1164 | ENDIF |
---|
[2874] | 1165 | |
---|
[3193] | 1166 | ! C. Scatter png into NEMO field (pn) for each processor |
---|
[2874] | 1167 | |
---|
[3193] | 1168 | IF ( jpnij > 1) THEN |
---|
| 1169 | CALL mppsync |
---|
| 1170 | CALL mppscatter (png,0,pn) |
---|
| 1171 | CALL mppsync |
---|
| 1172 | ELSE |
---|
| 1173 | pn(:,:)=png(:,:,1) |
---|
| 1174 | ENDIF |
---|
[2874] | 1175 | |
---|
| 1176 | #endif |
---|
| 1177 | |
---|
[3193] | 1178 | ! D. Ensure all haloes are filled in pn |
---|
[2874] | 1179 | |
---|
[3193] | 1180 | CALL lbc_lnk( pn , cd_type, psgn ) |
---|
[2874] | 1181 | |
---|
| 1182 | END SUBROUTINE cice2nemo |
---|
| 1183 | |
---|
| 1184 | #else |
---|
| 1185 | !!---------------------------------------------------------------------- |
---|
| 1186 | !! Default option Dummy module NO CICE sea-ice model |
---|
| 1187 | !!---------------------------------------------------------------------- |
---|
[5215] | 1188 | !! $Id$ |
---|
[2874] | 1189 | CONTAINS |
---|
| 1190 | |
---|
[4990] | 1191 | SUBROUTINE sbc_ice_cice ( kt, ksbc ) ! Dummy routine |
---|
[9975] | 1192 | IMPLICIT NONE |
---|
| 1193 | INTEGER, INTENT(in) :: kt ! ocean time-step index |
---|
| 1194 | INTEGER, INTENT(in) :: ksbc ! surface forcing type |
---|
[2874] | 1195 | WRITE(*,*) 'sbc_ice_cice: You should not have seen this print! error?', kt |
---|
| 1196 | END SUBROUTINE sbc_ice_cice |
---|
| 1197 | |
---|
[4990] | 1198 | SUBROUTINE cice_sbc_init (ksbc) ! Dummy routine |
---|
[9975] | 1199 | IMPLICIT NONE |
---|
| 1200 | INTEGER, INTENT(in) :: ksbc ! surface forcing type |
---|
[2874] | 1201 | WRITE(*,*) 'cice_sbc_init: You should not have seen this print! error?' |
---|
| 1202 | END SUBROUTINE cice_sbc_init |
---|
| 1203 | |
---|
| 1204 | SUBROUTINE cice_sbc_final ! Dummy routine |
---|
[9975] | 1205 | IMPLICIT NONE |
---|
[2874] | 1206 | WRITE(*,*) 'cice_sbc_final: You should not have seen this print! error?' |
---|
| 1207 | END SUBROUTINE cice_sbc_final |
---|
| 1208 | |
---|
| 1209 | #endif |
---|
| 1210 | |
---|
| 1211 | !!====================================================================== |
---|
| 1212 | END MODULE sbcice_cice |
---|