[3] | 1 | MODULE zdfini |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE zdfini *** |
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| 4 | !! Ocean physics : define vertical mixing variables |
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| 5 | !!===================================================================== |
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| 6 | |
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| 7 | !!---------------------------------------------------------------------- |
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| 8 | !! zdf_init : initialization, namelist read, and parameters control |
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| 9 | !!---------------------------------------------------------------------- |
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| 10 | !! * Modules used |
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| 11 | USE par_oce ! mesh and scale factors |
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| 12 | USE ldftra_oce ! ??? |
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| 13 | USE ldfdyn_oce ! ??? |
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| 14 | USE zdf_oce ! TKE vertical mixing |
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| 15 | USE zdftke ! TKE vertical mixing |
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| 16 | USE zdfddm ! double diffusion mixing |
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| 17 | USE zdfevd ! enhanced vertical diffusion |
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| 18 | USE zdfric ! Richardson vertical mixing |
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| 19 | USE tranpc ! convection: non penetrative adjustment |
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| 20 | USE ldfslp ! ??? |
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| 21 | |
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| 22 | USE in_out_manager ! I/O manager |
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| 23 | |
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| 24 | IMPLICIT NONE |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | !! * Routine accessibility |
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| 28 | PUBLIC zdf_init ! routine called by opa.F90 |
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| 29 | !!---------------------------------------------------------------------- |
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| 30 | !! OPA 9.0 ! LODYC-IPSL (2003) |
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| 31 | !!---------------------------------------------------------------------- |
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| 32 | |
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| 33 | CONTAINS |
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| 34 | |
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| 35 | SUBROUTINE zdf_init |
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| 36 | !!---------------------------------------------------------------------- |
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| 37 | !! *** ROUTINE zdf_init *** |
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| 38 | !! |
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| 39 | !! ** Purpose : initializations of the vertical ocean physics |
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| 40 | !! |
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| 41 | !! ** Method : Read namelist namzdf, control cpp keys |
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| 42 | !! |
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| 43 | !! History : |
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| 44 | !! ! 97-06 (G. Madec) Original code from inimix |
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| 45 | !! 8.5 ! 02-08 (G. Madec) F90 : free form |
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| 46 | !!---------------------------------------------------------------------- |
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| 47 | !! * Local declarations |
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| 48 | INTEGER :: ioptio ! temporary scalar |
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| 49 | LOGICAL :: & !!! namzdf: vertical diffusion |
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| 50 | ln_zdfexp = .FALSE. ! explicit vertical diffusion scheme flag |
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| 51 | |
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| 52 | !! * Namelist |
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| 53 | NAMELIST/namzdf/ ln_zdfevd, ln_zdfnpc, & |
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| 54 | & avm0, avt0, avevd, nevdm, ln_zdfexp, n_zdfexp |
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| 55 | !!---------------------------------------------------------------------- |
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| 56 | !! OPA 9.0, LODYC-IPSL (2003) |
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| 57 | !!---------------------------------------------------------------------- |
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| 58 | |
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| 59 | ! Read namzdf namelist : vertical mixing parameters |
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| 60 | ! -------------------- |
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| 61 | REWIND( numnam ) |
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| 62 | READ ( numnam, namzdf ) |
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| 63 | |
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| 64 | ! Parameter print |
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| 65 | ! --------------- |
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| 66 | IF(lwp) THEN |
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| 67 | WRITE(numout,*) |
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| 68 | WRITE(numout,*) 'zdf_init: vertical physics' |
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| 69 | WRITE(numout,*) '~~~~~~~~' |
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| 70 | WRITE(numout,*) ' Namelist namzdf : set vertical mixing mixing parameters' |
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| 71 | WRITE(numout,*) ' enhanced vertical diffusion ln_zdfevd = ', ln_zdfevd |
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| 72 | WRITE(numout,*) ' non-penetrative convection ln_zdfnpc = ', ln_zdfnpc |
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| 73 | WRITE(numout,*) ' vertical eddy viscosity avm0 = ', avm0 |
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| 74 | WRITE(numout,*) ' vertical eddy diffusivity avt0 = ', avt0 |
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| 75 | WRITE(numout,*) ' vertical coefficient for evd avevd = ', avevd |
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| 76 | WRITE(numout,*) ' applied on momentum (=1/0) nevdm = ', nevdm |
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| 77 | WRITE(numout,*) ' time splitting / backward scheme ln_zdfexp = ', ln_zdfexp |
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| 78 | WRITE(numout,*) ' number of time step n_zdfexp = ', n_zdfexp |
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| 79 | ENDIF |
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| 80 | |
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| 81 | ! Parameter & key controls |
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| 82 | ! ------------------------ |
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| 83 | ! ... vertical mixing |
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| 84 | ! time stepping scheme (N.B. TKE scheme => force the use of implicit scheme) |
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| 85 | IF( ln_zdfexp .AND. .NOT.lk_zdftke ) THEN |
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| 86 | l_trazdf_exp = .TRUE. ! use explicit scheme |
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| 87 | l_trazdf_imp = .FALSE. |
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| 88 | l_dynzdf_exp = .TRUE. ! use explicit scheme |
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| 89 | l_dynzdf_imp = .FALSE. |
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| 90 | ELSE |
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| 91 | l_trazdf_exp = .FALSE. ! use implicit scheme |
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| 92 | l_trazdf_imp = .TRUE. |
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| 93 | l_dynzdf_exp = .FALSE. ! use implicit scheme |
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| 94 | l_dynzdf_imp = .TRUE. |
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| 95 | ENDIF |
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| 96 | IF( l_trazdf_iso .OR. l_trazdf_iso_vo ) THEN |
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| 97 | l_trazdf_exp = .FALSE. ! iso-neutral diffusion : |
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| 98 | l_trazdf_imp = .FALSE. ! implicit scheme included in iso-neutral routine |
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| 99 | ENDIF |
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| 100 | IF( l_dynldf_iso ) THEN |
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| 101 | l_dynzdf_exp = .FALSE. ! iso-neutral diffusion : |
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| 102 | l_dynzdf_imp = .FALSE. ! implicit scheme included in iso-neutral routine |
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| 103 | ENDIF |
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| 104 | #if defined key_autotasking |
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| 105 | IF( l_dynzdf_imp ) THEN |
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| 106 | l_dynzdf_imp = .FALSE. |
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| 107 | l_dynzdf_imp_tsk = .TRUE. |
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| 108 | ENDIF |
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| 109 | #else |
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| 110 | l_dynzdf_imp_tsk = .FALSE. |
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| 111 | #endif |
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| 112 | IF( lk_esopa ) THEN |
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| 113 | l_trazdf_exp = .TRUE. ! esopa: use all options |
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| 114 | l_trazdf_imp = .TRUE. |
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| 115 | l_dynzdf_exp = .TRUE. ! esopa: use all options |
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| 116 | l_dynzdf_imp = .TRUE. |
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| 117 | l_dynzdf_imp_tsk = .TRUE. |
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| 118 | ENDIF |
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| 119 | |
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| 120 | IF(lwp) WRITE(numout,*) |
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| 121 | IF(lwp) WRITE(numout,*) ' vertical mixing option :' |
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| 122 | ioptio = 0 |
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| 123 | IF( lk_zdfcst ) THEN |
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| 124 | IF(lwp) WRITE(numout,*) ' constant eddy diffusion coef.' |
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| 125 | ioptio = ioptio+1 |
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| 126 | ENDIF |
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| 127 | IF( lk_zdfric ) THEN |
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| 128 | IF(lwp) WRITE(numout,*) ' Richardson dependent eddy coef.' |
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| 129 | ioptio = ioptio+1 |
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| 130 | ENDIF |
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| 131 | IF( lk_zdftke ) THEN |
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| 132 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coef.' |
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| 133 | ioptio = ioptio+1 |
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| 134 | ENDIF |
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| 135 | IF( ioptio == 0 .OR. ioptio > 1 .AND. .NOT. lk_esopa ) THEN |
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| 136 | IF(lwp) WRITE(numout,cform_err) |
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| 137 | IF(lwp) WRITE(numout,*) ' one and only one vertical diffusion option has to be defined ' |
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| 138 | nstop = nstop + 1 |
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| 139 | ENDIF |
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| 140 | |
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| 141 | ! ... Convection |
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| 142 | IF(lwp) WRITE(numout,*) |
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| 143 | IF(lwp) WRITE(numout,*) ' convection :' |
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| 144 | ioptio = 0 |
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| 145 | IF( ln_zdfnpc ) THEN |
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| 146 | IF(lwp) WRITE(numout,*) ' use non penetrative convective scheme' |
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| 147 | ioptio = ioptio+1 |
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| 148 | ENDIF |
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| 149 | IF( ln_zdfevd ) THEN |
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| 150 | IF(lwp) WRITE(numout,*) ' use enhanced vertical dif. scheme' |
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| 151 | ioptio = ioptio+1 |
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| 152 | ENDIF |
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| 153 | IF( lk_zdftke ) THEN |
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| 154 | IF(lwp) WRITE(numout,*) ' use the 1.5 turbulent closure' |
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| 155 | ENDIF |
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| 156 | IF ( ioptio > 1 .AND. .NOT. lk_esopa ) THEN |
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| 157 | IF(lwp) WRITE(numout,cform_err) |
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| 158 | IF(lwp) WRITE(numout,*) ' chose between key_convnpc' |
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| 159 | IF(lwp) WRITE(numout,*) ' and key_convevd' |
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| 160 | nstop = nstop + 1 |
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| 161 | ENDIF |
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| 162 | IF( ioptio == 0 .AND. .NOT. lk_zdftke ) THEN |
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| 163 | IF(lwp) WRITE(numout,cform_err) |
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| 164 | IF(lwp) WRITE(numout,*) ' except for TKE scheme, a convection scheme is' |
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| 165 | IF(lwp) WRITE(numout,*) ' required: convevd or convnpc keys' |
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| 166 | nstop = nstop + 1 |
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| 167 | ENDIF |
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| 168 | |
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| 169 | END SUBROUTINE zdf_init |
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| 170 | |
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| 171 | !!====================================================================== |
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| 172 | END MODULE zdfini |
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