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 ! ocean active tracers: lateral physics |
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13 | USE ldfdyn_oce ! ocean dynamics lateral physics |
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14 | USE zdf_oce ! TKE vertical mixing |
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15 | USE lib_mpp ! distribued memory computing |
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16 | USE zdftke ! TKE vertical mixing |
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17 | USE zdfkpp ! KPP vertical mixing |
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18 | USE zdfddm ! double diffusion mixing |
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19 | USE zdfevd ! enhanced vertical diffusion |
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20 | USE zdfric ! Richardson vertical mixing |
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21 | USE tranpc ! convection: non penetrative adjustment |
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22 | USE ldfslp ! iso-neutral slopes |
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23 | |
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24 | USE in_out_manager ! I/O manager |
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25 | |
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26 | IMPLICIT NONE |
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27 | PRIVATE |
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28 | |
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29 | !! * Routine accessibility |
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30 | PUBLIC zdf_init ! routine called by opa.F90 |
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31 | !!---------------------------------------------------------------------- |
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32 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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33 | !!---------------------------------------------------------------------- |
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34 | |
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35 | CONTAINS |
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36 | |
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37 | SUBROUTINE zdf_init |
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38 | !!---------------------------------------------------------------------- |
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39 | !! *** ROUTINE zdf_init *** |
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40 | !! |
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41 | !! ** Purpose : initializations of the vertical ocean physics |
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42 | !! |
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43 | !! ** Method : Read namelist namzdf, control logicals |
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44 | !! |
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45 | !! History : |
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46 | !! ! 97-06 (G. Madec) Original code from inimix |
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47 | !! 8.5 ! 02-08 (G. Madec) F90 : free form |
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48 | !! 9.0 ! 05-06 (C. Ethe) KPP parameterization |
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49 | !!---------------------------------------------------------------------- |
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50 | !! * Local declarations |
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51 | INTEGER :: ioptio ! temporary scalar |
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52 | |
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53 | !! * Namelist |
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54 | NAMELIST/namzdf/ ln_zdfexp, n_zdfexp, ln_zdfevd, ln_zdfnpc, & |
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55 | & avm0 , avt0 , avevd , n_evdm |
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56 | !!---------------------------------------------------------------------- |
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57 | !! OPA 9.0, LODYC-IPSL (2003) |
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58 | !!---------------------------------------------------------------------- |
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59 | |
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60 | ! Read namzdf namelist : vertical mixing parameters |
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61 | ! -------------------- |
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62 | REWIND( numnam ) |
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63 | READ ( numnam, namzdf ) |
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64 | |
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65 | ! Parameter print |
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66 | ! --------------- |
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67 | IF(lwp) THEN |
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68 | WRITE(numout,*) |
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69 | WRITE(numout,*) 'zdf_init: vertical physics' |
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70 | WRITE(numout,*) '~~~~~~~~' |
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71 | WRITE(numout,*) ' Namelist namzdf : set vertical mixing mixing parameters' |
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72 | WRITE(numout,*) ' time splitting / backward scheme ln_zdfexp = ', ln_zdfexp |
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73 | WRITE(numout,*) ' number of time step n_zdfexp = ', n_zdfexp |
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74 | WRITE(numout,*) ' enhanced vertical diffusion ln_zdfevd = ', ln_zdfevd |
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75 | WRITE(numout,*) ' non-penetrative convection ln_zdfnpc = ', ln_zdfnpc |
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76 | WRITE(numout,*) ' vertical eddy viscosity avm0 = ', avm0 |
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77 | WRITE(numout,*) ' vertical eddy diffusivity avt0 = ', avt0 |
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78 | WRITE(numout,*) ' vertical coefficient for evd avevd = ', avevd |
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79 | WRITE(numout,*) ' applied on momentum (=1/0) n_evdm = ', n_evdm |
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80 | ENDIF |
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81 | |
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82 | ! Parameter & logicals controls |
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83 | ! ----------------------------- |
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84 | ! ... check of vertical mixing scheme on tracers |
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85 | ! ==> will be done in trazdf module |
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86 | |
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87 | ! ... check of mixing coefficient |
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88 | IF(lwp) WRITE(numout,*) |
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89 | IF(lwp) WRITE(numout,*) ' vertical mixing option :' |
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90 | ioptio = 0 |
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91 | IF( lk_zdfcst ) THEN |
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92 | IF(lwp) WRITE(numout,*) ' constant eddy diffusion coefficients' |
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93 | ioptio = ioptio+1 |
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94 | ENDIF |
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95 | IF( lk_zdfric ) THEN |
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96 | IF(lwp) WRITE(numout,*) ' Richardson dependent eddy coefficients' |
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97 | ioptio = ioptio+1 |
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98 | ENDIF |
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99 | IF( lk_zdftke ) THEN |
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100 | IF(lwp) WRITE(numout,*) ' TKE dependent eddy coefficients' |
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101 | ioptio = ioptio+1 |
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102 | ENDIF |
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103 | IF( lk_zdfkpp ) THEN |
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104 | IF(lwp) WRITE(numout,*) ' KPP dependent eddy coefficients' |
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105 | ioptio = ioptio+1 |
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106 | ENDIF |
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107 | IF( ioptio == 0 .OR. ioptio > 1 .AND. .NOT. lk_esopa ) & |
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108 | CALL ctl_stop( ' one and only one vertical diffusion option has to be defined ' ) |
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109 | |
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110 | ! ... Convection |
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111 | IF(lwp) WRITE(numout,*) |
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112 | IF(lwp) WRITE(numout,*) ' convection :' |
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113 | ioptio = 0 |
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114 | IF( ln_zdfnpc ) THEN |
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115 | IF(lwp) WRITE(numout,*) ' use non penetrative convective scheme' |
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116 | ioptio = ioptio+1 |
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117 | ENDIF |
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118 | IF( ln_zdfevd ) THEN |
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119 | IF(lwp) WRITE(numout,*) ' use enhanced vertical dif. scheme' |
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120 | ioptio = ioptio+1 |
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121 | ENDIF |
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122 | IF( lk_zdftke ) THEN |
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123 | IF(lwp) WRITE(numout,*) ' use the 1.5 turbulent closure' |
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124 | ENDIF |
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125 | IF( lk_zdfkpp ) THEN |
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126 | IF(lwp) WRITE(numout,*) ' use the KPP closure scheme' |
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127 | IF(lk_mpp) THEN |
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128 | IF(lwp) WRITE(numout,cform_err) |
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129 | IF(lwp) WRITE(numout,*) ' The KPP scheme is not ready to run in MPI' |
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130 | ENDIF |
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131 | ENDIF |
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132 | IF ( ioptio > 1 .AND. .NOT. lk_esopa ) & |
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133 | CALL ctl_stop( ' chose between ln_zdfnpc', ' and ln_zdfevd' ) |
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134 | IF( ioptio == 0 .AND. .NOT.( lk_zdftke .OR. lk_zdfkpp ) ) & |
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135 | CALL ctl_stop( ' except for TKE sor KPP physics, a convection scheme is', & |
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136 | & ' required: ln_zdfevd or ln_zdfnpc logicals' ) |
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137 | |
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138 | END SUBROUTINE zdf_init |
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139 | |
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140 | !!====================================================================== |
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141 | END MODULE zdfini |
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