[3] | 1 | MODULE zdfini |
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| 2 | !!====================================================================== |
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[1559] | 3 | !! *** MODULE zdfini *** |
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| 4 | !! Ocean physics : read vertical mixing namelist and check consistancy |
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| 5 | !!====================================================================== |
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| 6 | !! History : 8.0 ! 1997-06 (G. Madec) Original code from inimix |
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| 7 | !! 1.0 ! 2002-08 (G. Madec) F90 : free form |
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| 8 | !! - ! 2005-06 (C. Ethe) KPP parameterization |
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| 9 | !! - ! 2009-07 (G. Madec) add avmb, avtb in restart for cen2 advection |
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| 10 | !!---------------------------------------------------------------------- |
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[3] | 11 | |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! zdf_init : initialization, namelist read, and parameters control |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE par_oce ! mesh and scale factors |
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[255] | 16 | USE ldftra_oce ! ocean active tracers: lateral physics |
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| 17 | USE ldfdyn_oce ! ocean dynamics lateral physics |
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[3] | 18 | USE zdf_oce ! TKE vertical mixing |
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[255] | 19 | USE lib_mpp ! distribued memory computing |
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[1533] | 20 | USE zdftke_old ! TKE vertical mixing (old scheme) |
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| 21 | USE zdftke ! TKE vertical mixing |
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[2236] | 22 | USE zdfgls ! GLS vertical mixing |
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[255] | 23 | USE zdfkpp ! KPP vertical mixing |
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[3] | 24 | USE zdfddm ! double diffusion mixing |
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| 25 | USE zdfevd ! enhanced vertical diffusion |
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| 26 | USE zdfric ! Richardson vertical mixing |
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| 27 | USE tranpc ! convection: non penetrative adjustment |
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[255] | 28 | USE ldfslp ! iso-neutral slopes |
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[1537] | 29 | USE restart ! ocean restart |
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[3] | 30 | |
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| 31 | USE in_out_manager ! I/O manager |
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[1537] | 32 | USE iom ! IOM library |
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[3] | 33 | |
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| 34 | IMPLICIT NONE |
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| 35 | PRIVATE |
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| 36 | |
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[1559] | 37 | PUBLIC zdf_init ! routine called by opa.F90 |
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| 38 | |
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[3] | 39 | !!---------------------------------------------------------------------- |
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[1559] | 40 | !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) |
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[1156] | 41 | !! $Id$ |
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[2236] | 42 | !! Software governed by the CeCILL licence (NEMOGCM/License_CeCILL.txt) |
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[3] | 43 | !!---------------------------------------------------------------------- |
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| 44 | |
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| 45 | CONTAINS |
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| 46 | |
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| 47 | SUBROUTINE zdf_init |
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| 48 | !!---------------------------------------------------------------------- |
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| 49 | !! *** ROUTINE zdf_init *** |
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| 50 | !! |
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| 51 | !! ** Purpose : initializations of the vertical ocean physics |
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| 52 | !! |
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[297] | 53 | !! ** Method : Read namelist namzdf, control logicals |
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[3] | 54 | !!---------------------------------------------------------------------- |
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| 55 | INTEGER :: ioptio ! temporary scalar |
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[1537] | 56 | !! |
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[1601] | 57 | NAMELIST/namzdf/ rn_avm0, rn_avt0, nn_avb, nn_havtb, ln_zdfexp, nn_zdfexp, & |
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[1537] | 58 | & ln_zdfevd, nn_evdm, rn_avevd, ln_zdfnpc, nn_npc, nn_npcp |
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[3] | 59 | !!---------------------------------------------------------------------- |
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| 60 | |
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[1601] | 61 | REWIND( numnam ) !* Read namzdf namelist : vertical mixing parameters |
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| 62 | READ ( numnam, namzdf ) |
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[3] | 63 | |
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[1559] | 64 | IF(lwp) THEN !* Parameter print |
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[3] | 65 | WRITE(numout,*) |
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| 66 | WRITE(numout,*) 'zdf_init: vertical physics' |
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| 67 | WRITE(numout,*) '~~~~~~~~' |
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[1601] | 68 | WRITE(numout,*) ' Namelist namzdf : set vertical mixing mixing parameters' |
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[1537] | 69 | WRITE(numout,*) ' vertical eddy viscosity rn_avm0 = ', rn_avm0 |
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| 70 | WRITE(numout,*) ' vertical eddy diffusivity rn_avt0 = ', rn_avt0 |
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| 71 | WRITE(numout,*) ' constant background or profile nn_avb = ', nn_avb |
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| 72 | WRITE(numout,*) ' horizontal variation for avtb nn_havtb = ', nn_havtb |
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[463] | 73 | WRITE(numout,*) ' time splitting / backward scheme ln_zdfexp = ', ln_zdfexp |
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[1537] | 74 | WRITE(numout,*) ' number of time step nn_zdfexp = ', nn_zdfexp |
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[463] | 75 | WRITE(numout,*) ' enhanced vertical diffusion ln_zdfevd = ', ln_zdfevd |
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[1537] | 76 | WRITE(numout,*) ' applied on momentum (=1/0) nn_evdm = ', nn_evdm |
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| 77 | WRITE(numout,*) ' vertical coefficient for evd rn_avevd = ', rn_avevd |
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| 78 | WRITE(numout,*) ' non-penetrative convection (npc) ln_zdfnpc = ', ln_zdfnpc |
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| 79 | WRITE(numout,*) ' npc call frequency nn_npc = ', nn_npc |
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| 80 | WRITE(numout,*) ' npc print frequency nn_npcp = ', nn_npcp |
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[3] | 81 | ENDIF |
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| 82 | |
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[1559] | 83 | ! !* Parameter & logical controls |
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| 84 | ! ! ---------------------------- |
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| 85 | ! |
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| 86 | ! ! ... check of vertical mixing scheme on tracers |
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| 87 | ! ==> will be done in trazdf module |
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| 88 | ! |
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| 89 | ! ! ... check of mixing coefficient |
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[3] | 90 | IF(lwp) WRITE(numout,*) |
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[1559] | 91 | IF(lwp) WRITE(numout,*) ' vertical mixing option :' |
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[3] | 92 | ioptio = 0 |
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| 93 | IF( lk_zdfcst ) THEN |
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[1559] | 94 | IF(lwp) WRITE(numout,*) ' constant eddy diffusion coefficients' |
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[3] | 95 | ioptio = ioptio+1 |
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| 96 | ENDIF |
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| 97 | IF( lk_zdfric ) THEN |
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[1559] | 98 | IF(lwp) WRITE(numout,*) ' Richardson dependent eddy coefficients' |
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[3] | 99 | ioptio = ioptio+1 |
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| 100 | ENDIF |
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[1531] | 101 | IF( lk_zdftke_old ) THEN |
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[1559] | 102 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coefficients' |
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[3] | 103 | ioptio = ioptio+1 |
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| 104 | ENDIF |
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[1531] | 105 | IF( lk_zdftke ) THEN |
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[1559] | 106 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coefficients' |
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[1239] | 107 | ioptio = ioptio+1 |
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| 108 | ENDIF |
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[2236] | 109 | IF( lk_zdfgls ) THEN |
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| 110 | IF(lwp) WRITE(numout,*) ' GLS dependent eddy coefficients' |
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| 111 | ioptio = ioptio+1 |
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| 112 | ENDIF |
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[255] | 113 | IF( lk_zdfkpp ) THEN |
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[1559] | 114 | IF(lwp) WRITE(numout,*) ' KPP dependent eddy coefficients' |
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[255] | 115 | ioptio = ioptio+1 |
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| 116 | ENDIF |
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[474] | 117 | IF( ioptio == 0 .OR. ioptio > 1 .AND. .NOT. lk_esopa ) & |
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[1559] | 118 | & CALL ctl_stop( ' one and only one vertical diffusion option has to be defined ' ) |
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| 119 | ! |
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| 120 | ! ! ... Convection |
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[3] | 121 | IF(lwp) WRITE(numout,*) |
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[1559] | 122 | IF(lwp) WRITE(numout,*) ' convection :' |
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[3] | 123 | ioptio = 0 |
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| 124 | IF( ln_zdfnpc ) THEN |
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[1559] | 125 | IF(lwp) WRITE(numout,*) ' use non penetrative convective scheme' |
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[3] | 126 | ioptio = ioptio+1 |
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| 127 | ENDIF |
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| 128 | IF( ln_zdfevd ) THEN |
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[1559] | 129 | IF(lwp) WRITE(numout,*) ' use enhanced vertical dif. scheme' |
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[3] | 130 | ioptio = ioptio+1 |
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| 131 | ENDIF |
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[1531] | 132 | IF( lk_zdftke_old .OR. lk_zdftke ) THEN |
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[1559] | 133 | IF(lwp) WRITE(numout,*) ' use the 1.5 turbulent closure' |
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[3] | 134 | ENDIF |
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[2236] | 135 | IF( lk_zdfgls ) THEN |
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| 136 | IF(lwp) WRITE(numout,*) ' use the GLS closure scheme' |
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| 137 | ENDIF |
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[255] | 138 | IF( lk_zdfkpp ) THEN |
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[1559] | 139 | IF(lwp) WRITE(numout,*) ' use the KPP closure scheme' |
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[255] | 140 | IF(lk_mpp) THEN |
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| 141 | IF(lwp) WRITE(numout,cform_err) |
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[1559] | 142 | IF(lwp) WRITE(numout,*) 'The KPP scheme is not ready to run in MPI' |
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[255] | 143 | ENDIF |
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| 144 | ENDIF |
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[1559] | 145 | IF ( ioptio > 1 .AND. .NOT. lk_esopa ) CALL ctl_stop( ' chose between ln_zdfnpc and ln_zdfevd' ) |
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[2236] | 146 | IF( ioptio == 0 .AND. .NOT.( lk_zdftke_old .OR. lk_zdftke .OR. lk_zdfgls .OR. lk_zdfkpp ) ) & |
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| 147 | CALL ctl_stop( ' except for TKE, GLS or KPP physics, a convection scheme is', & |
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[474] | 148 | & ' required: ln_zdfevd or ln_zdfnpc logicals' ) |
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[3] | 149 | |
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[1537] | 150 | |
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| 151 | ! !* Background eddy viscosity and diffusivity profil |
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| 152 | IF( nn_avb == 0 ) THEN ! Define avmb, avtb from namelist parameter |
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| 153 | avmb(:) = rn_avm0 |
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| 154 | avtb(:) = rn_avt0 |
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| 155 | ELSE ! Background profile of avt (fit a theoretical/observational profile (Krauss 1990) |
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| 156 | avmb(:) = rn_avm0 |
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| 157 | avtb(:) = rn_avt0 + ( 3.0e-4 - 2 * rn_avt0 ) * 1.0e-4 * gdepw_0(:) ! m2/s |
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| 158 | IF(ln_sco .AND. lwp) CALL ctl_warn( ' avtb profile not valid in sco' ) |
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| 159 | ENDIF |
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| 160 | ! |
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| 161 | IF( ln_rstart ) THEN ! Read avmb, avtb in restart (if exist) |
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| 162 | ! if ln_traadv_cen, avmb, avtb have been modified in traadv_cen2 module. |
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| 163 | ! To ensure the restartability, avmb & avtb are written in the restart |
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| 164 | ! file in traadv_cen2 end read here. |
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| 165 | IF( iom_varid( numror, 'avmb', ldstop = .FALSE. ) > 0 ) THEN |
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| 166 | CALL iom_get( numror, jpdom_unknown, 'avmb', avmb ) |
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| 167 | CALL iom_get( numror, jpdom_unknown, 'avtb', avtb ) |
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| 168 | ENDIF |
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| 169 | ENDIF |
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| 170 | ! ! 2D shape of the avtb |
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| 171 | avtb_2d(:,:) = 1.e0 ! uniform |
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| 172 | ! |
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| 173 | IF( nn_havtb == 1 ) THEN ! decrease avtb in the equatorial band |
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| 174 | ! -15S -5S : linear decrease from avt0 to avt0/10. |
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| 175 | ! -5S +5N : cst value avt0/10. |
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| 176 | ! 5N 15N : linear increase from avt0/10, to avt0 |
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| 177 | WHERE(-15. <= gphit .AND. gphit < -5 ) avtb_2d = (1. - 0.09 * (gphit + 15.)) |
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| 178 | WHERE( -5. <= gphit .AND. gphit < 5 ) avtb_2d = 0.1 |
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| 179 | WHERE( 5. <= gphit .AND. gphit < 15 ) avtb_2d = (0.1 + 0.09 * (gphit - 5.)) |
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| 180 | ENDIF |
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| 181 | ! |
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[3] | 182 | END SUBROUTINE zdf_init |
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| 183 | |
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| 184 | !!====================================================================== |
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| 185 | END MODULE zdfini |
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