[888] | 1 | MODULE sbcmod |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbcmod *** |
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| 4 | !! Surface module : provide to the ocean its surface boundary condition |
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| 5 | !!====================================================================== |
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[2528] | 6 | !! History : 3.0 ! 2006-07 (G. Madec) Original code |
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| 7 | !! 3.1 ! 2008-08 (S. Masson, A. Caubel, E. Maisonnave, G. Madec) coupled interface |
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| 8 | !! 3.3 ! 2010-04 (M. Leclair, G. Madec) Forcing averaged over 2 time steps |
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| 9 | !! 3.3 ! 2010-10 (S. Masson) add diurnal cycle |
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| 10 | !! 3.3 ! 2010-09 (D. Storkey) add ice boundary conditions (BDY) |
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| 11 | !! - ! 2010-11 (G. Madec) ice-ocean stress always computed at each ocean time-step |
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| 12 | !! - ! 2010-10 (J. Chanut, C. Bricaud, G. Madec) add the surface pressure forcing |
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[3294] | 13 | !! 3.4 ! 2011-11 (C. Harris) CICE added as an option |
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[3625] | 14 | !! 3.5 ! 2012-11 (A. Coward, G. Madec) Rethink of heat, mass and salt surface fluxes |
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[7646] | 15 | !! 3.6 ! 2014-11 (P. Mathiot, C. Harris) add ice shelves melting |
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| 16 | !! 4.0 ! 2016-06 (L. Brodeau) new general bulk formulation |
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[888] | 17 | !!---------------------------------------------------------------------- |
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| 18 | |
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| 19 | !!---------------------------------------------------------------------- |
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[6140] | 20 | !! sbc_init : read namsbc namelist |
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| 21 | !! sbc : surface ocean momentum, heat and freshwater boundary conditions |
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[7646] | 22 | !! sbc_final : Finalize CICE ice model (if used) |
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[888] | 23 | !!---------------------------------------------------------------------- |
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[6140] | 24 | USE oce ! ocean dynamics and tracers |
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| 25 | USE dom_oce ! ocean space and time domain |
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| 26 | USE phycst ! physical constants |
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| 27 | USE sbc_oce ! Surface boundary condition: ocean fields |
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| 28 | USE trc_oce ! shared ocean-passive tracers variables |
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| 29 | USE sbc_ice ! Surface boundary condition: ice fields |
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| 30 | USE sbcdcy ! surface boundary condition: diurnal cycle |
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| 31 | USE sbcssm ! surface boundary condition: sea-surface mean variables |
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| 32 | USE sbcflx ! surface boundary condition: flux formulation |
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[7646] | 33 | USE sbcblk ! surface boundary condition: bulk formulation |
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[6140] | 34 | USE sbcice_if ! surface boundary condition: ice-if sea-ice model |
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| 35 | USE sbcice_lim ! surface boundary condition: LIM 3.0 sea-ice model |
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| 36 | USE sbcice_lim_2 ! surface boundary condition: LIM 2.0 sea-ice model |
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| 37 | USE sbcice_cice ! surface boundary condition: CICE sea-ice model |
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[7646] | 38 | USE sbccpl ! surface boundary condition: coupled formulation |
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[6140] | 39 | USE cpl_oasis3 ! OASIS routines for coupling |
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| 40 | USE sbcssr ! surface boundary condition: sea surface restoring |
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| 41 | USE sbcrnf ! surface boundary condition: runoffs |
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| 42 | USE sbcisf ! surface boundary condition: ice shelf |
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| 43 | USE sbcfwb ! surface boundary condition: freshwater budget |
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| 44 | USE icbstp ! Icebergs |
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| 45 | USE traqsr ! active tracers: light penetration |
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| 46 | USE sbcwave ! Wave module |
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[7646] | 47 | USE bdy_oce , ONLY: ln_bdy |
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| 48 | USE usrdef_sbc ! user defined: surface boundary condition |
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| 49 | USE usrdef_closea ! user defined: closed sea |
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[6140] | 50 | ! |
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| 51 | USE prtctl ! Print control (prt_ctl routine) |
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| 52 | USE iom ! IOM library |
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| 53 | USE in_out_manager ! I/O manager |
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| 54 | USE lib_mpp ! MPP library |
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| 55 | USE timing ! Timing |
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[888] | 56 | |
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[7646] | 57 | USE diurnal_bulk, ONLY: ln_diurnal_only ! diurnal SST diagnostic |
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[888] | 58 | |
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| 59 | IMPLICIT NONE |
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| 60 | PRIVATE |
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| 61 | |
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| 62 | PUBLIC sbc ! routine called by step.F90 |
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[1725] | 63 | PUBLIC sbc_init ! routine called by opa.F90 |
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[7646] | 64 | |
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[888] | 65 | INTEGER :: nsbc ! type of surface boundary condition (deduced from namsbc informations) |
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[7646] | 66 | |
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[888] | 67 | !!---------------------------------------------------------------------- |
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[7646] | 68 | !! NEMO/OPA 4.0 , NEMO-consortium (2016) |
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[1146] | 69 | !! $Id$ |
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[2715] | 70 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[888] | 71 | !!---------------------------------------------------------------------- |
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| 72 | CONTAINS |
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| 73 | |
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| 74 | SUBROUTINE sbc_init |
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| 75 | !!--------------------------------------------------------------------- |
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| 76 | !! *** ROUTINE sbc_init *** |
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| 77 | !! |
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| 78 | !! ** Purpose : Initialisation of the ocean surface boundary computation |
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| 79 | !! |
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| 80 | !! ** Method : Read the namsbc namelist and set derived parameters |
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[3607] | 81 | !! Call init routines for all other SBC modules that have one |
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[888] | 82 | !! |
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| 83 | !! ** Action : - read namsbc parameters |
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| 84 | !! - nsbc: type of sbc |
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| 85 | !!---------------------------------------------------------------------- |
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[7698] | 86 | INTEGER :: ji, jj, jn ! dummy loop indices |
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[7646] | 87 | INTEGER :: ios, icpt ! local integer |
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| 88 | LOGICAL :: ll_purecpl, ll_opa, ll_not_nemo ! local logical |
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[1037] | 89 | !! |
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[7646] | 90 | NAMELIST/namsbc/ nn_fsbc , & |
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| 91 | & ln_usr , ln_flx , ln_blk , & |
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| 92 | & ln_cpl , ln_mixcpl, nn_components, nn_limflx, & |
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| 93 | & nn_ice , nn_ice_embd, & |
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| 94 | & ln_traqsr, ln_dm2dc , & |
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| 95 | & ln_rnf , nn_fwb , ln_ssr , ln_isf , ln_apr_dyn , & |
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| 96 | & ln_wave , ln_cdgw , ln_sdw , ln_tauoc , ln_stcor , & |
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| 97 | & nn_lsm |
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[1037] | 98 | !!---------------------------------------------------------------------- |
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[6140] | 99 | ! |
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[888] | 100 | IF(lwp) THEN |
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| 101 | WRITE(numout,*) |
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| 102 | WRITE(numout,*) 'sbc_init : surface boundary condition setting' |
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| 103 | WRITE(numout,*) '~~~~~~~~ ' |
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| 104 | ENDIF |
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[6140] | 105 | ! |
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[7646] | 106 | ! !** read Surface Module namelist |
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| 107 | REWIND( numnam_ref ) !* Namelist namsbc in reference namelist : Surface boundary |
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[4147] | 108 | READ ( numnam_ref, namsbc, IOSTAT = ios, ERR = 901) |
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[6140] | 109 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc in reference namelist', lwp ) |
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| 110 | ! |
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[7646] | 111 | REWIND( numnam_cfg ) !* Namelist namsbc in configuration namelist : Parameters of the run |
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[4147] | 112 | READ ( numnam_cfg, namsbc, IOSTAT = ios, ERR = 902 ) |
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[6140] | 113 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc in configuration namelist', lwp ) |
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| 114 | IF(lwm) WRITE( numond, namsbc ) |
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| 115 | ! |
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[7646] | 116 | ! !* overwrite namelist parameter using CPP key information |
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| 117 | #if defined key_agrif |
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| 118 | IF( Agrif_Root() ) THEN ! AGRIF zoom (cf r1242: possibility to run without ice in fine grid) |
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| 119 | IF( lk_lim2 ) nn_ice = 2 |
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| 120 | IF( lk_lim3 ) nn_ice = 3 |
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| 121 | IF( lk_cice ) nn_ice = 4 |
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[1242] | 122 | ENDIF |
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[7646] | 123 | #else |
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| 124 | IF( lk_lim2 ) nn_ice = 2 |
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| 125 | IF( lk_lim3 ) nn_ice = 3 |
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| 126 | IF( lk_cice ) nn_ice = 4 |
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| 127 | #endif |
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| 128 | ! |
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| 129 | IF(lwp) THEN !* Control print |
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| 130 | WRITE(numout,*) ' Namelist namsbc (partly overwritten with CPP key setting)' |
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| 131 | WRITE(numout,*) ' frequency update of sbc (and ice) nn_fsbc = ', nn_fsbc |
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| 132 | WRITE(numout,*) ' Type of air-sea fluxes : ' |
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| 133 | WRITE(numout,*) ' user defined formulation ln_usr = ', ln_usr |
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| 134 | WRITE(numout,*) ' flux formulation ln_flx = ', ln_flx |
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| 135 | WRITE(numout,*) ' bulk formulation ln_blk = ', ln_blk |
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| 136 | WRITE(numout,*) ' Type of coupling (Ocean/Ice/Atmosphere) : ' |
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| 137 | WRITE(numout,*) ' ocean-atmosphere coupled formulation ln_cpl = ', ln_cpl |
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| 138 | WRITE(numout,*) ' mixed forced-coupled formulation ln_mixcpl = ', ln_mixcpl |
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| 139 | !!gm lk_oasis is controlled by key_oasis3 ===>>> It shoud be removed from the namelist |
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| 140 | WRITE(numout,*) ' OASIS coupling (with atm or sas) lk_oasis = ', lk_oasis |
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| 141 | WRITE(numout,*) ' components of your executable nn_components = ', nn_components |
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| 142 | WRITE(numout,*) ' Multicategory heat flux formulation (LIM3) nn_limflx = ', nn_limflx |
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| 143 | WRITE(numout,*) ' Sea-ice : ' |
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| 144 | WRITE(numout,*) ' ice management in the sbc (=0/1/2/3) nn_ice = ', nn_ice |
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| 145 | WRITE(numout,*) ' ice-ocean embedded/levitating (=0/1/2) nn_ice_embd = ', nn_ice_embd |
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| 146 | WRITE(numout,*) ' Misc. options of sbc : ' |
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| 147 | WRITE(numout,*) ' Light penetration in temperature Eq. ln_traqsr = ', ln_traqsr |
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| 148 | WRITE(numout,*) ' daily mean to diurnal cycle qsr ln_dm2dc = ', ln_dm2dc |
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| 149 | WRITE(numout,*) ' Sea Surface Restoring on SST and/or SSS ln_ssr = ', ln_ssr |
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| 150 | WRITE(numout,*) ' FreshWater Budget control (=0/1/2) nn_fwb = ', nn_fwb |
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| 151 | WRITE(numout,*) ' Patm gradient added in ocean & ice Eqs. ln_apr_dyn = ', ln_apr_dyn |
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| 152 | WRITE(numout,*) ' runoff / runoff mouths ln_rnf = ', ln_rnf |
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| 153 | WRITE(numout,*) ' iceshelf formulation ln_isf = ', ln_isf |
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| 154 | WRITE(numout,*) ' closed sea (=0/1) (set in namdom) nn_closea = ', nn_closea |
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| 155 | WRITE(numout,*) ' nb of iterations if land-sea-mask applied nn_lsm = ', nn_lsm |
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| 156 | WRITE(numout,*) ' surface wave ln_wave = ', ln_wave |
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| 157 | WRITE(numout,*) ' Stokes drift corr. to vert. velocity ln_sdw = ', ln_sdw |
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| 158 | WRITE(numout,*) ' wave modified ocean stress ln_tauoc = ', ln_tauoc |
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| 159 | WRITE(numout,*) ' Stokes coriolis term ln_stcor = ', ln_stcor |
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| 160 | WRITE(numout,*) ' neutral drag coefficient (CORE, MFS) ln_cdgw = ', ln_cdgw |
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[888] | 161 | ENDIF |
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[6140] | 162 | ! |
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[7646] | 163 | IF( .NOT.ln_usr ) THEN ! the model calendar needs some specificities (except in user defined case) |
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| 164 | IF( MOD( rday , rdt ) /= 0. ) CALL ctl_stop( 'the time step must devide the number of second of in a day' ) |
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| 165 | IF( MOD( rday , 2. ) /= 0. ) CALL ctl_stop( 'the number of second of in a day must be an even number' ) |
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| 166 | IF( MOD( rdt , 2. ) /= 0. ) CALL ctl_stop( 'the time step (in second) must be an even number' ) |
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[888] | 167 | ENDIF |
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[7646] | 168 | ! !** check option consistency |
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[4161] | 169 | ! |
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[7646] | 170 | IF(lwp) WRITE(numout,*) !* Single / Multi - executable (NEMO / OPA+SAS) |
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| 171 | SELECT CASE( nn_components ) |
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| 172 | CASE( jp_iam_nemo ) |
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| 173 | IF(lwp) WRITE(numout,*) ' NEMO configured as a single executable (i.e. including both OPA and Surface module' |
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| 174 | CASE( jp_iam_opa ) |
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| 175 | IF(lwp) WRITE(numout,*) ' Multi executable configuration. Here, OPA component' |
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| 176 | IF( .NOT.lk_oasis ) CALL ctl_stop( 'sbc_init : OPA-SAS coupled via OASIS, but key_oasis3 disabled' ) |
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| 177 | IF( ln_cpl ) CALL ctl_stop( 'sbc_init : OPA-SAS coupled via OASIS, but ln_cpl = T in OPA' ) |
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| 178 | IF( ln_mixcpl ) CALL ctl_stop( 'sbc_init : OPA-SAS coupled via OASIS, but ln_mixcpl = T in OPA' ) |
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| 179 | CASE( jp_iam_sas ) |
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| 180 | IF(lwp) WRITE(numout,*) ' Multi executable configuration. Here, SAS component' |
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| 181 | IF( .NOT.lk_oasis ) CALL ctl_stop( 'sbc_init : OPA-SAS coupled via OASIS, but key_oasis3 disabled' ) |
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| 182 | IF( ln_mixcpl ) CALL ctl_stop( 'sbc_init : OPA-SAS coupled via OASIS, but ln_mixcpl = T in OPA' ) |
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| 183 | CASE DEFAULT |
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| 184 | CALL ctl_stop( 'sbc_init : unsupported value for nn_components' ) |
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| 185 | END SELECT |
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| 186 | ! !* coupled options |
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| 187 | IF( ln_cpl ) THEN |
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| 188 | IF( .NOT. lk_oasis ) CALL ctl_stop( 'sbc_init : coupled mode with an atmosphere model (ln_cpl=T)', & |
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| 189 | & ' required to defined key_oasis3' ) |
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| 190 | ENDIF |
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| 191 | IF( ln_mixcpl ) THEN |
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| 192 | IF( .NOT. lk_oasis ) CALL ctl_stop( 'sbc_init : mixed forced-coupled mode (ln_mixcpl=T) ', & |
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| 193 | & ' required to defined key_oasis3' ) |
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| 194 | IF( .NOT.ln_cpl ) CALL ctl_stop( 'sbc_init : mixed forced-coupled mode (ln_mixcpl=T) requires ln_cpl = T' ) |
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| 195 | IF( nn_components /= jp_iam_nemo ) & |
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| 196 | & CALL ctl_stop( 'sbc_init : the mixed forced-coupled mode (ln_mixcpl=T) ', & |
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| 197 | & ' not yet working with sas-opa coupling via oasis' ) |
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| 198 | ENDIF |
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| 199 | ! !* sea-ice |
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| 200 | SELECT CASE( nn_ice ) |
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| 201 | CASE( 0 ) !- no ice in the domain |
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| 202 | CASE( 1 ) !- Ice-cover climatology ("Ice-if" model) |
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| 203 | CASE( 2 ) !- LIM2 ice model |
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| 204 | IF( .NOT.( ln_blk .OR. ln_cpl ) ) CALL ctl_stop( 'sbc_init : LIM2 sea-ice model requires ln_blk or ln_cpl = T' ) |
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| 205 | CASE( 3 ) !- LIM3 ice model |
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| 206 | IF( .NOT.( ln_blk .OR. ln_cpl ) ) CALL ctl_stop( 'sbc_init : LIM3 sea-ice model requires ln_blk or ln_cpl = T' ) |
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| 207 | IF( nn_ice_embd == 0 ) CALL ctl_stop( 'sbc_init : LIM3 sea-ice models require nn_ice_embd = 1 or 2' ) |
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| 208 | CASE( 4 ) !- CICE ice model |
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| 209 | IF( .NOT.( ln_blk .OR. ln_cpl ) ) CALL ctl_stop( 'sbc_init : CICE sea-ice model requires ln_blk or ln_cpl = T' ) |
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| 210 | IF( nn_ice_embd == 0 ) CALL ctl_stop( 'sbc_init : CICE sea-ice models require nn_ice_embd = 1 or 2' ) |
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| 211 | IF( lk_agrif ) CALL ctl_stop( 'sbc_init : CICE sea-ice model not currently available with AGRIF' ) |
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| 212 | CASE DEFAULT !- not supported |
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| 213 | END SELECT |
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| 214 | ! |
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| 215 | IF( nn_ice == 3 ) THEN !- LIM3 case: multi-category flux option |
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| 216 | IF(lwp) WRITE(numout,*) |
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| 217 | SELECT CASE( nn_limflx ) ! LIM3 Multi-category heat flux formulation |
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| 218 | CASE ( -1 ) |
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| 219 | IF(lwp) WRITE(numout,*) ' LIM3: use per-category fluxes (nn_limflx = -1) ' |
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| 220 | IF( ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in coupled mode must be 0 or 2' ) |
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| 221 | CASE ( 0 ) |
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| 222 | IF(lwp) WRITE(numout,*) ' LIM3: use average per-category fluxes (nn_limflx = 0) ' |
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| 223 | CASE ( 1 ) |
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| 224 | IF(lwp) WRITE(numout,*) ' LIM3: use average then redistribute per-category fluxes (nn_limflx = 1) ' |
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| 225 | IF( ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in coupled mode must be 0 or 2' ) |
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| 226 | CASE ( 2 ) |
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| 227 | IF(lwp) WRITE(numout,*) ' LIM3: Redistribute a single flux over categories (nn_limflx = 2) ' |
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| 228 | IF( .NOT.ln_cpl ) CALL ctl_stop( 'sbc_init : the chosen nn_limflx for LIM3 in forced mode cannot be 2' ) |
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| 229 | CASE DEFAULT |
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| 230 | CALL ctl_stop( 'sbcmod: LIM3 option, nn_limflx, should be between -1 and 2' ) |
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[6140] | 231 | END SELECT |
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[7646] | 232 | ELSE ! other sea-ice model |
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| 233 | IF( nn_limflx >= 0 ) CALL ctl_warn( 'sbc_init : multi-category flux option (nn_limflx) only available in LIM3' ) |
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[6140] | 234 | ENDIF |
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| 235 | ! |
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[7646] | 236 | ! !** allocate and set required variables |
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| 237 | ! |
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| 238 | ! !* allocate sbc arrays |
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[5836] | 239 | IF( sbc_oce_alloc() /= 0 ) CALL ctl_stop( 'sbc_init : unable to allocate sbc_oce arrays' ) |
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[7646] | 240 | ! |
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| 241 | IF( .NOT.ln_isf ) THEN !* No ice-shelf in the domain : allocate and set to zero |
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[6140] | 242 | IF( sbc_isf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_init : unable to allocate sbc_isf arrays' ) |
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[7698] | 243 | !$OMP PARALLEL |
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| 244 | !$OMP DO schedule(static) private(jj,ji) |
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| 245 | DO jj = 1, jpj |
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| 246 | DO ji = 1, jpi |
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| 247 | fwfisf (ji,jj) = 0.0_wp ; fwfisf_b (ji,jj) = 0.0_wp |
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| 248 | END DO |
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| 249 | END DO |
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| 250 | !$OMP END DO NOWAIT |
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| 251 | DO jn = 1, jpts |
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| 252 | !$OMP DO schedule(static) private(jj,ji) |
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| 253 | DO jj = 1, jpj |
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| 254 | DO ji = 1, jpi |
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| 255 | risf_tsc(ji,jj,jn) = 0.0_wp ; risf_tsc_b(ji,jj,jn) = 0.0_wp |
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| 256 | END DO |
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| 257 | END DO |
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| 258 | END DO |
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| 259 | !$OMP END PARALLEL |
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[4990] | 260 | END IF |
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[7646] | 261 | IF( nn_ice == 0 ) THEN !* No sea-ice in the domain : ice fraction is always zero |
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[7698] | 262 | IF( nn_components /= jp_iam_opa ) THEN |
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| 263 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 264 | DO jj = 1, jpj |
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| 265 | DO ji = 1, jpi |
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| 266 | fr_i(ji,jj) = 0._wp ! except for OPA in SAS-OPA coupled case |
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| 267 | END DO |
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| 268 | END DO |
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| 269 | END IF |
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[7646] | 270 | ENDIF |
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| 271 | ! |
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[7698] | 272 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 273 | DO jj = 1, jpj |
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| 274 | DO ji = 1, jpi |
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| 275 | sfx (ji,jj) = 0._wp !* salt flux due to freezing/melting |
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| 276 | fmmflx(ji,jj) = 0._wp !* freezing minus melting flux |
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| 277 | taum (ji,jj) = 0._wp !* wind stress module (needed in GLS in case of reduced restart) |
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| 278 | END DO |
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| 279 | END DO |
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[1037] | 280 | |
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[2528] | 281 | ! ! Choice of the Surface Boudary Condition (set nsbc) |
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[7646] | 282 | IF( ln_dm2dc ) THEN !* daily mean to diurnal cycle |
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| 283 | nday_qsr = -1 ! allow initialization at the 1st call |
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| 284 | IF( .NOT.( ln_flx .OR. ln_blk ) .AND. nn_components /= jp_iam_opa ) & |
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| 285 | & CALL ctl_stop( 'qsr diurnal cycle from daily values requires a flux or bulk formulation' ) |
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| 286 | ENDIF |
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| 287 | ! !* Choice of the Surface Boudary Condition |
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| 288 | ! (set nsbc) |
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[5407] | 289 | ! |
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[7646] | 290 | ll_purecpl = ln_cpl .AND. .NOT.ln_mixcpl |
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| 291 | ll_opa = nn_components == jp_iam_opa |
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| 292 | ll_not_nemo = nn_components /= jp_iam_nemo |
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[888] | 293 | icpt = 0 |
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[7646] | 294 | ! |
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| 295 | IF( ln_usr ) THEN ; nsbc = jp_usr ; icpt = icpt + 1 ; ENDIF ! user defined formulation |
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[5407] | 296 | IF( ln_flx ) THEN ; nsbc = jp_flx ; icpt = icpt + 1 ; ENDIF ! flux formulation |
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[7646] | 297 | IF( ln_blk ) THEN ; nsbc = jp_blk ; icpt = icpt + 1 ; ENDIF ! bulk formulation |
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[5407] | 298 | IF( ll_purecpl ) THEN ; nsbc = jp_purecpl ; icpt = icpt + 1 ; ENDIF ! Pure Coupled formulation |
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[7646] | 299 | IF( ll_opa ) THEN ; nsbc = jp_none ; icpt = icpt + 1 ; ENDIF ! opa coupling via SAS module |
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[2528] | 300 | ! |
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[7646] | 301 | IF( icpt /= 1 ) CALL ctl_stop( 'sbc_init : choose ONE and only ONE sbc option' ) |
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[5836] | 302 | ! |
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[7646] | 303 | IF(lwp) THEN !- print the choice of surface flux formulation |
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[888] | 304 | WRITE(numout,*) |
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[6140] | 305 | SELECT CASE( nsbc ) |
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[7646] | 306 | CASE( jp_usr ) ; WRITE(numout,*) ' user defined formulation' |
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| 307 | CASE( jp_flx ) ; WRITE(numout,*) ' ===>> flux formulation' |
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| 308 | CASE( jp_blk ) ; WRITE(numout,*) ' ===>> bulk formulation' |
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| 309 | CASE( jp_purecpl ) ; WRITE(numout,*) ' ===>> pure coupled formulation' |
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| 310 | !!gm abusive use of jp_none ?? ===>>> need to be check and changed by adding a jp_sas parameter |
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| 311 | CASE( jp_none ) ; WRITE(numout,*) ' ===>> OPA coupled to SAS via oasis' |
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| 312 | IF( ln_mixcpl ) WRITE(numout,*) ' + forced-coupled mixed formulation' |
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[6140] | 313 | END SELECT |
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[7646] | 314 | IF( ll_not_nemo ) WRITE(numout,*) ' + OASIS coupled SAS' |
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[888] | 315 | ENDIF |
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| 316 | ! |
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[7646] | 317 | ! !* OASIS initialization |
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| 318 | ! |
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| 319 | IF( lk_oasis ) CALL sbc_cpl_init( nn_ice ) ! Must be done before: (1) first time step |
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| 320 | ! ! (2) the use of nn_fsbc |
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[6140] | 321 | ! nn_fsbc initialization if OPA-SAS coupling via OASIS |
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[7646] | 322 | ! SAS time-step has to be declared in OASIS (mandatory) -> nn_fsbc has to be modified accordingly |
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[6140] | 323 | IF( nn_components /= jp_iam_nemo ) THEN |
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| 324 | IF( nn_components == jp_iam_opa ) nn_fsbc = cpl_freq('O_SFLX') / NINT(rdt) |
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| 325 | IF( nn_components == jp_iam_sas ) nn_fsbc = cpl_freq('I_SFLX') / NINT(rdt) |
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[5407] | 326 | ! |
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| 327 | IF(lwp)THEN |
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| 328 | WRITE(numout,*) |
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| 329 | WRITE(numout,*)" OPA-SAS coupled via OASIS : nn_fsbc re-defined from OASIS namcouple ", nn_fsbc |
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| 330 | WRITE(numout,*) |
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| 331 | ENDIF |
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| 332 | ENDIF |
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[6140] | 333 | ! |
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[7646] | 334 | ! !* check consistency between model timeline and nn_fsbc |
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[5407] | 335 | IF( MOD( nitend - nit000 + 1, nn_fsbc) /= 0 .OR. & |
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[7646] | 336 | MOD( nstock , nn_fsbc) /= 0 ) THEN |
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| 337 | WRITE(ctmp1,*) 'sbc_init : experiment length (', nitend - nit000 + 1, ') or nstock (', nstock, & |
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[5407] | 338 | & ' is NOT a multiple of nn_fsbc (', nn_fsbc, ')' |
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| 339 | CALL ctl_stop( ctmp1, 'Impossible to properly do model restart' ) |
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| 340 | ENDIF |
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| 341 | ! |
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| 342 | IF( MOD( rday, REAL(nn_fsbc, wp) * rdt ) /= 0 ) & |
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[7646] | 343 | & CALL ctl_warn( 'sbc_init : nn_fsbc is NOT a multiple of the number of time steps in a day' ) |
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[5407] | 344 | ! |
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[7646] | 345 | IF( ln_dm2dc .AND. NINT(rday) / ( nn_fsbc * NINT(rdt) ) < 8 ) & |
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| 346 | & CALL ctl_warn( 'sbc_init : diurnal cycle for qsr: the sampling of the diurnal cycle is too small...' ) |
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[4152] | 347 | ! |
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[7646] | 348 | |
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| 349 | ! !** associated modules : initialization |
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[3764] | 350 | ! |
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[7646] | 351 | CALL sbc_ssm_init ! Sea-surface mean fields initialization |
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[5385] | 352 | ! |
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[7646] | 353 | IF( ln_blk ) CALL sbc_blk_init ! bulk formulae initialization |
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| 354 | |
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| 355 | IF( ln_ssr ) CALL sbc_ssr_init ! Sea-Surface Restoring initialization |
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[6140] | 356 | ! |
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[7646] | 357 | CALL sbc_rnf_init ! Runof initialization |
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[6140] | 358 | ! |
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[7646] | 359 | IF( nn_ice == 3 ) CALL sbc_lim_init ! LIM3 initialization |
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[6140] | 360 | ! |
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[7646] | 361 | IF( nn_ice == 4 ) CALL cice_sbc_init( nsbc ) ! CICE initialization |
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| 362 | ! |
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| 363 | IF( ln_wave ) CALL sbc_wave_init ! surface wave initialisation |
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| 364 | ! |
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[888] | 365 | END SUBROUTINE sbc_init |
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| 366 | |
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| 367 | |
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| 368 | SUBROUTINE sbc( kt ) |
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| 369 | !!--------------------------------------------------------------------- |
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| 370 | !! *** ROUTINE sbc *** |
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[7646] | 371 | !! |
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[888] | 372 | !! ** Purpose : provide at each time-step the ocean surface boundary |
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| 373 | !! condition (momentum, heat and freshwater fluxes) |
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| 374 | !! |
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[7646] | 375 | !! ** Method : blah blah to be written ????????? |
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[888] | 376 | !! CAUTION : never mask the surface stress field (tke sbc) |
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| 377 | !! |
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[7646] | 378 | !! ** Action : - set the ocean surface boundary condition at before and now |
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| 379 | !! time step, i.e. |
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[3625] | 380 | !! utau_b, vtau_b, qns_b, qsr_b, emp_n, sfx_b, qrp_b, erp_b |
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| 381 | !! utau , vtau , qns , qsr , emp , sfx , qrp , erp |
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[1037] | 382 | !! - updte the ice fraction : fr_i |
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[888] | 383 | !!---------------------------------------------------------------------- |
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[7646] | 384 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[7698] | 385 | INTEGER :: ji, jj, jn ! dummy loop indices |
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[7646] | 386 | ! |
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| 387 | LOGICAL :: ll_sas, ll_opa ! local logical |
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[888] | 388 | !!--------------------------------------------------------------------- |
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[3294] | 389 | ! |
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| 390 | IF( nn_timing == 1 ) CALL timing_start('sbc') |
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| 391 | ! |
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[2528] | 392 | ! ! ---------------------------------------- ! |
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| 393 | IF( kt /= nit000 ) THEN ! Swap of forcing fields ! |
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| 394 | ! ! ---------------------------------------- ! |
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[7698] | 395 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 396 | DO jj = 1, jpj |
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| 397 | DO ji = 1, jpi |
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| 398 | utau_b(ji,jj) = utau(ji,jj) ! Swap the ocean forcing fields |
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| 399 | vtau_b(ji,jj) = vtau(ji,jj) ! (except at nit000 where before fields |
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| 400 | qns_b (ji,jj) = qns (ji,jj) ! are set at the end of the routine) |
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| 401 | emp_b (ji,jj) = emp (ji,jj) |
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| 402 | sfx_b (ji,jj) = sfx (ji,jj) |
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| 403 | END DO |
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| 404 | END DO |
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[6460] | 405 | IF ( ln_rnf ) THEN |
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[7698] | 406 | !$OMP PARALLEL |
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| 407 | !$OMP DO schedule(static) private(jj,ji) |
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| 408 | DO jj = 1, jpj |
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| 409 | DO ji = 1, jpi |
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| 410 | rnf_b (ji,jj ) = rnf (ji,jj ) |
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| 411 | END DO |
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| 412 | END DO |
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| 413 | !$OMP END DO NOWAIT |
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| 414 | DO jn = 1, jpts |
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| 415 | !$OMP DO schedule(static) private(jj,ji) |
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| 416 | DO jj = 1, jpj |
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| 417 | DO ji = 1, jpi |
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| 418 | rnf_tsc_b(ji,jj,jn) = rnf_tsc(ji,jj,jn) |
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| 419 | END DO |
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| 420 | END DO |
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| 421 | END DO |
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| 422 | !$OMP END PARALLEL |
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[6460] | 423 | ENDIF |
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[2528] | 424 | ENDIF |
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| 425 | ! ! ---------------------------------------- ! |
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| 426 | ! ! forcing field computation ! |
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| 427 | ! ! ---------------------------------------- ! |
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[1482] | 428 | ! |
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[7646] | 429 | ll_sas = nn_components == jp_iam_sas ! component flags |
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| 430 | ll_opa = nn_components == jp_iam_opa |
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| 431 | ! |
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| 432 | IF( .NOT.ll_sas ) CALL sbc_ssm ( kt ) ! mean ocean sea surface variables (sst_m, sss_m, ssu_m, ssv_m) |
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| 433 | IF( ln_wave ) CALL sbc_wave( kt ) ! surface waves |
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| 434 | |
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| 435 | ! |
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| 436 | ! !== sbc formulation ==! |
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| 437 | ! |
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[2528] | 438 | SELECT CASE( nsbc ) ! Compute ocean surface boundary condition |
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[3625] | 439 | ! ! (i.e. utau,vtau, qns, qsr, emp, sfx) |
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[7646] | 440 | CASE( jp_usr ) ; CALL usrdef_sbc_oce( kt ) ! user defined formulation |
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| 441 | CASE( jp_flx ) ; CALL sbc_flx ( kt ) ! flux formulation |
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| 442 | CASE( jp_blk ) |
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| 443 | IF( ll_sas ) CALL sbc_cpl_rcv ( kt, nn_fsbc, nn_ice ) ! OPA-SAS coupling: SAS receiving fields from OPA |
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| 444 | CALL sbc_blk ( kt ) ! bulk formulation for the ocean |
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| 445 | ! |
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| 446 | CASE( jp_purecpl ) ; CALL sbc_cpl_rcv ( kt, nn_fsbc, nn_ice ) ! pure coupled formulation |
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| 447 | CASE( jp_none ) |
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| 448 | IF( ll_opa ) CALL sbc_cpl_rcv ( kt, nn_fsbc, nn_ice ) ! OPA-SAS coupling: OPA receiving fields from SAS |
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[888] | 449 | END SELECT |
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[7646] | 450 | IF ( ln_wave .AND. ln_tauoc) THEN ! Wave stress subctracted |
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[7698] | 451 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 452 | DO jj = 1, jpj |
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| 453 | DO ji = 1, jpi |
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| 454 | utau(ji,jj) = utau(ji,jj)*tauoc_wave(ji,jj) |
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| 455 | vtau(ji,jj) = vtau(ji,jj)*tauoc_wave(ji,jj) |
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| 456 | taum(ji,jj) = taum(ji,jj)*tauoc_wave(ji,jj) |
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| 457 | END DO |
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| 458 | END DO |
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[7646] | 459 | ! |
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| 460 | SELECT CASE( nsbc ) |
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| 461 | CASE( 0,1,2,3,5,-1 ) ; |
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| 462 | IF(lwp .AND. kt == nit000 ) WRITE(numout,*) 'WARNING: You are subtracting the wave stress to the ocean. & |
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| 463 | & If not requested select ln_tauoc=.false' |
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| 464 | END SELECT |
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| 465 | ! |
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| 466 | END IF |
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| 467 | IF( ln_mixcpl ) CALL sbc_cpl_rcv ( kt, nn_fsbc, nn_ice ) ! forced-coupled mixed formulation after forcing |
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[888] | 468 | |
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[6140] | 469 | ! |
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[2528] | 470 | ! !== Misc. Options ==! |
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[6140] | 471 | ! |
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[3632] | 472 | SELECT CASE( nn_ice ) ! Update heat and freshwater fluxes over sea-ice areas |
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| 473 | CASE( 1 ) ; CALL sbc_ice_if ( kt ) ! Ice-cover climatology ("Ice-if" model) |
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| 474 | CASE( 2 ) ; CALL sbc_ice_lim_2( kt, nsbc ) ! LIM-2 ice model |
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| 475 | CASE( 3 ) ; CALL sbc_ice_lim ( kt, nsbc ) ! LIM-3 ice model |
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[4205] | 476 | CASE( 4 ) ; CALL sbc_ice_cice ( kt, nsbc ) ! CICE ice model |
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[7646] | 477 | END SELECT |
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[888] | 478 | |
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[3632] | 479 | IF( ln_icebergs ) CALL icb_stp( kt ) ! compute icebergs |
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[3609] | 480 | |
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[6140] | 481 | IF( ln_isf ) CALL sbc_isf( kt ) ! compute iceshelves |
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[4990] | 482 | |
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[3632] | 483 | IF( ln_rnf ) CALL sbc_rnf( kt ) ! add runoffs to fresh water fluxes |
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[7646] | 484 | |
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[3632] | 485 | IF( ln_ssr ) CALL sbc_ssr( kt ) ! add SST/SSS damping term |
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[888] | 486 | |
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[3632] | 487 | IF( nn_fwb /= 0 ) CALL sbc_fwb( kt, nn_fwb, nn_fsbc ) ! control the freshwater budget |
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[888] | 488 | |
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[7646] | 489 | ! treatment of closed sea in the model domain (update freshwater fluxes) |
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[6140] | 490 | ! Should not be ran if ln_diurnal_only |
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[7646] | 491 | IF( .NOT.ln_diurnal_only .AND. nn_closea == 1 ) CALL sbc_clo( kt, cn_cfg, nn_cfg ) |
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[6140] | 492 | |
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[2502] | 493 | !RBbug do not understand why see ticket 667 |
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[5407] | 494 | !clem: it looks like it is necessary for the north fold (in certain circumstances). Don't know why. |
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| 495 | CALL lbc_lnk( emp, 'T', 1. ) |
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[2502] | 496 | ! |
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[2528] | 497 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
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| 498 | ! ! ---------------------------------------- ! |
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| 499 | IF( ln_rstart .AND. & !* Restart: read in restart file |
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[7646] | 500 | & iom_varid( numror, 'utau_b', ldstop = .FALSE. ) > 0 ) THEN |
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[2528] | 501 | IF(lwp) WRITE(numout,*) ' nit000-1 surface forcing fields red in the restart file' |
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| 502 | CALL iom_get( numror, jpdom_autoglo, 'utau_b', utau_b ) ! before i-stress (U-point) |
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| 503 | CALL iom_get( numror, jpdom_autoglo, 'vtau_b', vtau_b ) ! before j-stress (V-point) |
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| 504 | CALL iom_get( numror, jpdom_autoglo, 'qns_b' , qns_b ) ! before non solar heat flux (T-point) |
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| 505 | ! The 3D heat content due to qsr forcing is treated in traqsr |
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[3625] | 506 | ! CALL iom_get( numror, jpdom_autoglo, 'qsr_b' , qsr_b ) ! before solar heat flux (T-point) |
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| 507 | CALL iom_get( numror, jpdom_autoglo, 'emp_b', emp_b ) ! before freshwater flux (T-point) |
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| 508 | ! To ensure restart capability with 3.3x/3.4 restart files !! to be removed in v3.6 |
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| 509 | IF( iom_varid( numror, 'sfx_b', ldstop = .FALSE. ) > 0 ) THEN |
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| 510 | CALL iom_get( numror, jpdom_autoglo, 'sfx_b', sfx_b ) ! before salt flux (T-point) |
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| 511 | ELSE |
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[7698] | 512 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 513 | DO jj = 1, jpj |
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| 514 | DO ji = 1, jpi |
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| 515 | sfx_b (ji,jj) = sfx(ji,jj) |
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| 516 | END DO |
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| 517 | END DO |
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[3625] | 518 | ENDIF |
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[2528] | 519 | ELSE !* no restart: set from nit000 values |
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| 520 | IF(lwp) WRITE(numout,*) ' nit000-1 surface forcing fields set to nit000' |
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[7698] | 521 | !$OMP PARALLEL DO schedule(static) private(jj,ji) |
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| 522 | DO jj = 1, jpj |
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| 523 | DO ji = 1, jpi |
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| 524 | utau_b(ji,jj) = utau(ji,jj) |
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| 525 | vtau_b(ji,jj) = vtau(ji,jj) |
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| 526 | qns_b (ji,jj) = qns (ji,jj) |
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| 527 | emp_b (ji,jj) = emp(ji,jj) |
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| 528 | sfx_b (ji,jj) = sfx(ji,jj) |
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| 529 | END DO |
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| 530 | END DO |
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[2528] | 531 | ENDIF |
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| 532 | ENDIF |
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| 533 | ! ! ---------------------------------------- ! |
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| 534 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
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| 535 | ! ! ---------------------------------------- ! |
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| 536 | IF(lwp) WRITE(numout,*) |
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| 537 | IF(lwp) WRITE(numout,*) 'sbc : ocean surface forcing fields written in ocean restart file ', & |
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| 538 | & 'at it= ', kt,' date= ', ndastp |
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| 539 | IF(lwp) WRITE(numout,*) '~~~~' |
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| 540 | CALL iom_rstput( kt, nitrst, numrow, 'utau_b' , utau ) |
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| 541 | CALL iom_rstput( kt, nitrst, numrow, 'vtau_b' , vtau ) |
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| 542 | CALL iom_rstput( kt, nitrst, numrow, 'qns_b' , qns ) |
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| 543 | ! The 3D heat content due to qsr forcing is treated in traqsr |
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| 544 | ! CALL iom_rstput( kt, nitrst, numrow, 'qsr_b' , qsr ) |
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| 545 | CALL iom_rstput( kt, nitrst, numrow, 'emp_b' , emp ) |
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[5407] | 546 | CALL iom_rstput( kt, nitrst, numrow, 'sfx_b' , sfx ) |
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[2528] | 547 | ENDIF |
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| 548 | ! ! ---------------------------------------- ! |
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| 549 | ! ! Outputs and control print ! |
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| 550 | ! ! ---------------------------------------- ! |
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[1482] | 551 | IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN |
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[6351] | 552 | CALL iom_put( "empmr" , emp - rnf ) ! upward water flux |
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| 553 | CALL iom_put( "empbmr" , emp_b - rnf ) ! before upward water flux ( needed to recalculate the time evolution of ssh in offline ) |
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[7646] | 554 | CALL iom_put( "saltflx", sfx ) ! downward salt flux (includes virtual salt flux beneath ice in linear free surface case) |
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[4148] | 555 | CALL iom_put( "fmmflx", fmmflx ) ! Freezing-melting water flux |
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[7646] | 556 | CALL iom_put( "qt" , qns + qsr ) ! total heat flux |
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[2561] | 557 | CALL iom_put( "qns" , qns ) ! solar heat flux |
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| 558 | CALL iom_put( "qsr" , qsr ) ! solar heat flux |
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[7646] | 559 | IF( nn_ice > 0 .OR. ll_opa ) CALL iom_put( "ice_cover", fr_i ) ! ice fraction |
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| 560 | CALL iom_put( "taum" , taum ) ! wind stress module |
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[4990] | 561 | CALL iom_put( "wspd" , wndm ) ! wind speed module over free ocean or leads in presence of sea-ice |
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[1482] | 562 | ENDIF |
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| 563 | ! |
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[7646] | 564 | CALL iom_put( "utau", utau ) ! i-wind stress (stress can be updated at each time step in sea-ice) |
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| 565 | CALL iom_put( "vtau", vtau ) ! j-wind stress |
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[1482] | 566 | ! |
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[888] | 567 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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[6140] | 568 | CALL prt_ctl(tab2d_1=fr_i , clinfo1=' fr_i - : ', mask1=tmask, ovlap=1 ) |
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| 569 | CALL prt_ctl(tab2d_1=(emp-rnf + fwfisf), clinfo1=' emp-rnf - : ', mask1=tmask, ovlap=1 ) |
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| 570 | CALL prt_ctl(tab2d_1=(sfx-rnf + fwfisf), clinfo1=' sfx-rnf - : ', mask1=tmask, ovlap=1 ) |
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[3294] | 571 | CALL prt_ctl(tab2d_1=qns , clinfo1=' qns - : ', mask1=tmask, ovlap=1 ) |
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| 572 | CALL prt_ctl(tab2d_1=qsr , clinfo1=' qsr - : ', mask1=tmask, ovlap=1 ) |
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| 573 | CALL prt_ctl(tab3d_1=tmask , clinfo1=' tmask - : ', mask1=tmask, ovlap=1, kdim=jpk ) |
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| 574 | CALL prt_ctl(tab3d_1=tsn(:,:,:,jp_tem), clinfo1=' sst - : ', mask1=tmask, ovlap=1, kdim=1 ) |
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| 575 | CALL prt_ctl(tab3d_1=tsn(:,:,:,jp_sal), clinfo1=' sss - : ', mask1=tmask, ovlap=1, kdim=1 ) |
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| 576 | CALL prt_ctl(tab2d_1=utau , clinfo1=' utau - : ', mask1=umask, & |
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| 577 | & tab2d_2=vtau , clinfo2=' vtau - : ', mask2=vmask, ovlap=1 ) |
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[888] | 578 | ENDIF |
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[3294] | 579 | |
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| 580 | IF( kt == nitend ) CALL sbc_final ! Close down surface module if necessary |
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[888] | 581 | ! |
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[3294] | 582 | IF( nn_timing == 1 ) CALL timing_stop('sbc') |
---|
| 583 | ! |
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[888] | 584 | END SUBROUTINE sbc |
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| 585 | |
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[3764] | 586 | |
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[3294] | 587 | SUBROUTINE sbc_final |
---|
| 588 | !!--------------------------------------------------------------------- |
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| 589 | !! *** ROUTINE sbc_final *** |
---|
[3764] | 590 | !! |
---|
| 591 | !! ** Purpose : Finalize CICE (if used) |
---|
[3294] | 592 | !!--------------------------------------------------------------------- |
---|
[3764] | 593 | ! |
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[3294] | 594 | IF( nn_ice == 4 ) CALL cice_sbc_final |
---|
| 595 | ! |
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| 596 | END SUBROUTINE sbc_final |
---|
| 597 | |
---|
[888] | 598 | !!====================================================================== |
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| 599 | END MODULE sbcmod |
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