1 | MODULE opa |
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2 | !!============================================================================== |
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3 | !! *** MODULE opa *** |
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4 | !! Ocean system : OPA ocean dynamics (including on-line tracers and sea-ice) |
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5 | !!============================================================================== |
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6 | |
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7 | !!---------------------------------------------------------------------- |
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8 | !! opa_model : solve ocean dynamics, tracer and/or sea-ice |
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9 | !! opa_flg : initialisation of algorithm flag |
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10 | !!---------------------------------------------------------------------- |
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11 | !! * Modules used |
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12 | USE cpl_oce ! ocean-atmosphere-sea ice coupled exchanges |
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13 | USE dom_oce ! ocean space domain variables |
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14 | USE oce ! dynamics and tracers variables |
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15 | USE trdmod_oce ! ocean variables trends |
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16 | USE daymod ! calendar |
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17 | USE in_out_manager ! I/O manager |
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18 | USE lib_mpp ! distributed memory computing |
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19 | |
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20 | USE domcfg ! domain configuration (dom_cfg routine) |
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21 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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22 | USE domain ! domain initialization (dom_init routine) |
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23 | USE obc_par ! open boundary cond. parameters |
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24 | USE obcini ! open boundary cond. initialization (obc_ini routine) |
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25 | USE solver ! solver initialization (solver_init routine) |
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26 | USE istate ! initial state setting (istate_init routine) |
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27 | USE eosbn2 ! equation of state (eos bn2 routine) |
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28 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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29 | |
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30 | ! ocean physics |
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31 | USE traqsr ! solar radiation penetration (tra_qsr_init routine) |
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32 | USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine) |
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33 | USE ldftra ! lateral diffusivity setting (ldftra_init routine) |
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34 | USE zdfini |
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35 | !!!USE zdf_oce ! ocean vertical physics (zdf_init routine) |
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36 | |
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37 | USE phycst ! physical constant (par_cst routine) |
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38 | USE iceini ! initialization of sea-ice (ice_init routine) |
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39 | USE cpl ! coupled ocean/atmos. (cpl_init routine) |
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40 | USE ocfzpt ! ocean freezing point (oc_fz_pt routine) |
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41 | USE trdicp ! momentum/tracers trends (trd_icp_init routine) |
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42 | USE trdvor ! vorticity trends (trd_vor_init routine) |
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43 | USE trdmld ! tracer mixed layer trends (trd_mld_init routine) |
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44 | USE flxfwb ! |
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45 | |
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46 | USE diaptr ! poleward transports (dia_ptr_init routine) |
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47 | |
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48 | USE step ! OPA time-stepping (stp routine) |
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49 | |
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50 | IMPLICIT NONE |
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51 | PRIVATE |
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52 | |
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53 | !! * Routine accessibility |
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54 | PUBLIC opa_model ! called by model.F90 |
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55 | !!---------------------------------------------------------------------- |
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56 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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57 | !! $Header$ |
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58 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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59 | !!---------------------------------------------------------------------- |
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60 | |
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61 | CONTAINS |
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62 | |
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63 | SUBROUTINE opa_model |
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64 | !!---------------------------------------------------------------------- |
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65 | !! *** ROUTINE opa *** |
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66 | !! |
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67 | !! ** Purpose : opa solves the primitive equations on an orthogonal |
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68 | !! curvilinear mesh on the sphere. |
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69 | !! |
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70 | !! ** Method : - model general initialization |
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71 | !! - launch the time-stepping (stp routine) |
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72 | !! |
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73 | !! References : |
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74 | !! Madec, Delecluse,Imbard, and Levy, 1997: reference manual. |
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75 | !! internal report, IPSL. |
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76 | !! |
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77 | !! History : |
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78 | !! 4.0 ! 90-10 (C. Levy, G. Madec) Original code |
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79 | !! 7.0 ! 91-11 (M. Imbard, C. Levy, G. Madec) |
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80 | !! 7.1 ! 93-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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81 | !! M. Guyon, A. Lazar, P. Delecluse, C. Perigaud, |
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82 | !! G. Caniaux, B. Colot, C. Maes ) release 7.1 |
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83 | !! ! 92-06 (L.Terray) coupling implementation |
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84 | !! ! 93-11 (M.A. Filiberti) IGLOO sea-ice |
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85 | !! 8.0 ! 96-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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86 | !! M. Guyon, A. Lazar, P. Delecluse, L.Terray, |
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87 | !! M.A. Filiberti, J. Vialar, A.M. Treguier, |
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88 | !! M. Levy) release 8.0 |
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89 | !! 8.1 ! 97-06 (M. Imbard, G. Madec) |
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90 | !! 8.2 ! 99-11 (M. Imbard, H. Goosse) LIM sea-ice model |
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91 | !! ! 99-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP |
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92 | !! ! 00-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER) |
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93 | !! 9.0 ! 02-08 (G. Madec) F90: Free form and modules |
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94 | !! " ! 04-08 (C. Talandier) New trends organization |
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95 | !!---------------------------------------------------------------------- |
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96 | !! * Local declarations |
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97 | INTEGER :: istp ! time step index |
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98 | #if defined key_coupled |
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99 | INTEGER :: itro, istp0 ! ??? |
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100 | #endif |
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101 | CHARACTER (len=64) :: & |
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102 | cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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103 | CHARACTER (len=28) :: file_out |
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104 | !!---------------------------------------------------------------------- |
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105 | |
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106 | |
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107 | ! Initializations |
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108 | ! =============== |
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109 | |
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110 | file_out = 'ocean.output' |
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111 | |
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112 | ! open listing and namelist units |
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113 | IF ( numout /= 0 .AND. numout /= 6 ) THEN |
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114 | OPEN( UNIT=numout, FILE=TRIM(file_out), FORM='FORMATTED' ) |
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115 | ENDIF |
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116 | |
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117 | OPEN( UNIT=numnam, FILE='namelist', FORM='FORMATTED', STATUS='OLD' ) |
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118 | |
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119 | |
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120 | ! Nodes selection |
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121 | narea = mynode() |
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122 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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123 | lwp = narea == 1 |
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124 | |
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125 | IF( lk_mpp ) THEN |
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126 | !! ############################# MPI debug ########################### !! |
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127 | !! To allow each processor to write its own mpp.output_XXX file, decomment |
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128 | !! the 5 following lines, else the output will be done only by the first |
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129 | !! processor in the ocean.output file: |
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130 | !! this one numout = 80 |
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131 | !! this one numout = numout + narea |
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132 | !! this one lwp = .TRUE. |
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133 | !! this one WRITE(file_out,FMT="('mpp.output_',I3.3)") narea-1 |
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134 | !! this one OPEN( UNIT=numout, FILE=TRIM(file_out),FORM='FORMATTED' ) |
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135 | !! ############################# MPI debug ########################### !! |
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136 | ENDIF |
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137 | |
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138 | IF(lwp) THEN |
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139 | WRITE(numout,*) |
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140 | WRITE(numout,*) ' L O D Y C - I P S L' |
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141 | WRITE(numout,*) ' O P A model' |
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142 | WRITE(numout,*) ' Ocean General Circulation Model' |
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143 | WRITE(numout,*) ' version OPA 9.0 (2005) ' |
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144 | WRITE(numout,*) |
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145 | WRITE(numout,*) ' PROC number: ', narea |
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146 | WRITE(numout,*) |
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147 | ENDIF |
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148 | |
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149 | ! ! ============================== ! |
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150 | ! ! Model general initialization ! |
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151 | ! ! ============================== ! |
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152 | |
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153 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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154 | |
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155 | ! Domain decomposition |
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156 | IF( jpni*jpnj == jpnij ) THEN |
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157 | CALL mpp_init ! standard cutting out |
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158 | ELSE |
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159 | CALL mpp_init2 ! eliminate land processors |
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160 | ENDIF |
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161 | |
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162 | CALL phy_cst ! Physical constants |
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163 | |
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164 | CALL dom_cfg ! Domain configuration |
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165 | |
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166 | CALL dom_init ! Domain |
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167 | |
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168 | IF( lk_obc ) CALL obc_init ! Open boundaries |
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169 | |
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170 | CALL solver_init ! Elliptic solver |
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171 | |
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172 | CALL day( nit000 ) ! Calendar |
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173 | |
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174 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
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175 | !!add |
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176 | CALL eos( tb, sb, rhd, rhop ) ! before potential and in situ densities |
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177 | |
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178 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
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179 | |
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180 | IF( lk_zps ) CALL zps_hde( nit000, tb, sb, rhd, & ! Partial steps: before Horizontal DErivative |
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181 | gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
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182 | gtv, gsv, grv ) |
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183 | |
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184 | !!add |
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185 | |
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186 | CALL oc_fz_pt ! Surface freezing point |
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187 | |
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188 | #if defined key_ice_lim |
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189 | CALL ice_init ! Sea ice model |
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190 | #endif |
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191 | |
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192 | #if defined key_passivetrc |
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193 | CALL initrc ! Passive tracers |
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194 | #endif |
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195 | |
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196 | ! ! Ocean scheme |
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197 | |
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198 | CALL opa_flg ! Choice of algorithms |
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199 | |
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200 | ! ! Ocean physics |
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201 | |
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202 | CALL tra_qsr_init ! Solar radiation penetration |
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203 | |
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204 | CALL ldf_dyn_init ! Lateral ocean momentum physics |
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205 | |
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206 | CALL ldf_tra_init ! Lateral ocean tracer physics |
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207 | |
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208 | CALL zdf_init ! Vertical ocean physics |
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209 | |
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210 | ! ! Ocean trends |
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211 | ! Control parameters |
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212 | IF( lk_trdtra .OR. lk_trdmld ) l_trdtra = .TRUE. |
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213 | IF( lk_trddyn .OR. lk_trdvor ) l_trddyn = .TRUE. |
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214 | |
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215 | IF( lk_trddyn .OR. lk_trdtra ) & |
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216 | & CALL trd_icp_init ! active tracers and/or momentum |
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217 | |
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218 | IF( lk_trdmld ) CALL trd_mld_init ! mixed layer |
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219 | |
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220 | IF( lk_trdvor ) CALL trd_vor_init ! vorticity |
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221 | |
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222 | #if defined key_coupled |
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223 | itro = nitend - nit000 + 1 ! Coupled |
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224 | istp0 = NINT( rdt ) |
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225 | CALL cpl_init( itro, nexco, istp0 ) ! Signal processing and process id exchange |
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226 | #endif |
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227 | |
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228 | CALL flx_fwb_init ! FreshWater Budget correction |
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229 | |
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230 | CALL dia_ptr_init ! Poleward TRansports initialization |
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231 | |
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232 | ! ! =============== ! |
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233 | ! ! time stepping ! |
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234 | ! ! =============== ! |
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235 | |
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236 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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237 | |
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238 | istp = nit000 |
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239 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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240 | CALL stp( istp ) |
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241 | istp = istp + 1 |
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242 | END DO |
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243 | ! ! ========= ! |
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244 | ! ! Job end ! |
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245 | ! ! ========= ! |
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246 | |
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247 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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248 | |
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249 | IF( nstop /= 0 ) THEN ! error print |
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250 | IF(lwp) WRITE(numout,cform_err) |
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251 | IF(lwp) WRITE(numout,*) nstop, ' error have been found' |
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252 | ENDIF |
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253 | |
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254 | CALL opa_closefile |
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255 | IF( lk_mpp ) CALL mppstop ! Close all files (mpp) |
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256 | |
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257 | END SUBROUTINE opa_model |
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258 | |
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259 | |
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260 | SUBROUTINE opa_flg |
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261 | !!---------------------------------------------------------------------- |
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262 | !! *** ROUTINE opa *** |
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263 | !! |
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264 | !! ** Purpose : Initialize logical flags that control the choice of |
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265 | !! some algorithm or control print |
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266 | !! |
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267 | !! ** Method : Read in namilist namflg logical flags |
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268 | !! |
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269 | !! History : |
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270 | !! 9.0 ! 03-11 (G. Madec) Original code |
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271 | !!---------------------------------------------------------------------- |
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272 | !! * Local declarations |
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273 | |
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274 | NAMELIST/namflg/ ln_dynhpg_imp |
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275 | !!---------------------------------------------------------------------- |
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276 | |
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277 | ! Read Namelist namflg : algorithm FLaG |
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278 | ! -------------------- |
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279 | REWIND ( numnam ) |
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280 | READ ( numnam, namflg ) |
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281 | |
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282 | ! Parameter control and print |
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283 | ! --------------------------- |
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284 | ! Control print |
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285 | IF(lwp) THEN |
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286 | WRITE(numout,*) |
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287 | WRITE(numout,*) 'opa_flg : algorithm flag initialization' |
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288 | WRITE(numout,*) '~~~~~~~' |
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289 | WRITE(numout,*) ' Namelist namflg : set algorithm flags' |
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290 | WRITE(numout,*) |
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291 | WRITE(numout,*) ' centered (F) or semi-implicit (T) ln_dynhpg_imp = ', ln_dynhpg_imp |
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292 | WRITE(numout,*) ' hydrostatic pressure gradient' |
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293 | ENDIF |
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294 | |
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295 | END SUBROUTINE opa_flg |
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296 | |
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297 | SUBROUTINE opa_closefile |
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298 | !!---------------------------------------------------------------------- |
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299 | !! *** ROUTINE opa_closefile *** |
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300 | !! |
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301 | !! ** Purpose : Close the files |
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302 | !! |
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303 | !! ** Method : |
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304 | !! |
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305 | !! History : |
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306 | !! 9.0 ! 05-01 (O. Le Galloudec) Original code |
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307 | !!---------------------------------------------------------------------- |
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308 | !! * Modules used |
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309 | USE dtatem ! temperature data |
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310 | USE dtasal ! salinity data |
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311 | USE dtasst ! sea surface temperature data |
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312 | !!---------------------------------------------------------------------- |
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313 | |
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314 | IF ( lk_mpp ) CALL mppsync |
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315 | |
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316 | ! 1. Unit close |
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317 | ! ------------- |
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318 | |
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319 | CLOSE( numnam ) ! namelist |
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320 | CLOSE( numout ) ! standard model output file |
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321 | CLOSE( numstp ) ! time-step file |
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322 | CLOSE( numwrs ) ! ocean restart file |
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323 | |
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324 | IF( lk_dtatem ) CLOSE( numtdt ) |
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325 | IF( lk_dtasal ) CLOSE( numsdt ) |
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326 | IF( lk_dtasst ) CLOSE( numsst ) |
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327 | |
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328 | IF(lwp) CLOSE( numsol ) |
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329 | |
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330 | IF( lk_cpl ) THEN |
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331 | CLOSE( numlhf ) |
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332 | CLOSE( numlts ) |
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333 | ENDIF |
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334 | |
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335 | CLOSE( numwri ) |
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336 | |
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337 | END SUBROUTINE opa_closefile |
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338 | |
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339 | !!====================================================================== |
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340 | END MODULE opa |
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