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_init : initialization of the opa model |
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10 | !! opa_flg : initialisation of algorithm flag |
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11 | !! opa_closefile : close remaining files |
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12 | !!---------------------------------------------------------------------- |
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13 | !! History : |
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14 | !! 4.0 ! 90-10 (C. Levy, G. Madec) Original code |
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15 | !! 7.0 ! 91-11 (M. Imbard, C. Levy, G. Madec) |
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16 | !! 7.1 ! 93-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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17 | !! M. Guyon, A. Lazar, P. Delecluse, C. Perigaud, |
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18 | !! G. Caniaux, B. Colot, C. Maes ) release 7.1 |
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19 | !! ! 92-06 (L.Terray) coupling implementation |
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20 | !! ! 93-11 (M.A. Filiberti) IGLOO sea-ice |
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21 | !! 8.0 ! 96-03 (M. Imbard, C. Levy, G. Madec, O. Marti, |
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22 | !! M. Guyon, A. Lazar, P. Delecluse, L.Terray, |
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23 | !! M.A. Filiberti, J. Vialar, A.M. Treguier, |
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24 | !! M. Levy) release 8.0 |
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25 | !! 8.1 ! 97-06 (M. Imbard, G. Madec) |
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26 | !! 8.2 ! 99-11 (M. Imbard, H. Goosse) LIM sea-ice model |
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27 | !! ! 99-12 (V. Thierry, A-M. Treguier, M. Imbard, M-A. Foujols) OPEN-MP |
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28 | !! ! 00-07 (J-M Molines, M. Imbard) Open Boundary Conditions (CLIPPER) |
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29 | !! 9.0 ! 02-08 (G. Madec) F90: Free form and modules |
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30 | !! " ! 04-08 (C. Talandier) New trends organization |
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31 | !! " ! 05-06 (C. Ethe) Add the 1D configuration possibility |
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32 | !! " ! 05-11 (V. Garnier) Surface pressure gradient organization |
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33 | !! " ! 06-03 (L. Debreu, C. Mazauric) Agrif implementation |
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34 | !! " ! 06-04 (G. Madec, R. Benshila) Step reorganization |
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35 | !!---------------------------------------------------------------------- |
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36 | !! * Modules used |
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37 | USE cpl_oce ! ocean-atmosphere-sea ice coupled exchanges |
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38 | USE dom_oce ! ocean space domain variables |
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39 | USE oce ! dynamics and tracers variables |
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40 | USE trdmod_oce ! ocean variables trends |
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41 | USE daymod ! calendar |
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42 | USE in_out_manager ! I/O manager |
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43 | USE lib_mpp ! distributed memory computing |
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44 | |
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45 | USE domcfg ! domain configuration (dom_cfg routine) |
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46 | USE mppini ! shared/distributed memory setting (mpp_init routine) |
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47 | USE domain ! domain initialization (dom_init routine) |
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48 | USE obc_par ! open boundary cond. parameters |
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49 | USE obcini ! open boundary cond. initialization (obc_ini routine) |
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50 | USE solver ! solver initialization (solver_init routine) |
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51 | USE istate ! initial state setting (istate_init routine) |
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52 | USE eosbn2 ! equation of state (eos bn2 routine) |
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53 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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54 | |
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55 | ! ocean physics |
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56 | USE ldfdyn ! lateral viscosity setting (ldfdyn_init routine) |
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57 | USE ldftra ! lateral diffusivity setting (ldftra_init routine) |
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58 | USE zdfini |
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59 | |
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60 | USE phycst ! physical constant (par_cst routine) |
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61 | USE iceini ! initialization of sea-ice (ice_init routine) |
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62 | USE cpl ! coupled ocean/atmos. (cpl_init routine) |
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63 | USE ocfzpt ! ocean freezing point (oc_fz_pt routine) |
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64 | USE trdicp ! momentum/tracers trends (trd_icp_init routine) |
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65 | USE trdvor ! vorticity trends (trd_vor_init routine) |
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66 | USE trdmld ! tracer mixed layer trends (trd_mld_init routine) |
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67 | USE flxfwb ! freshwater budget correction (flx_fwb_init routine) |
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68 | USE flxmod ! thermohaline forcing of the ocean (flx_init routine) |
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69 | |
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70 | USE diaptr ! poleward transports (dia_ptr_init routine) |
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71 | |
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72 | USE step ! OPA time-stepping (stp routine) |
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73 | USE dynspg_oce ! Control choice of surface pressure gradient schemes |
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74 | USE prtctl ! Print control (prt_ctl_init routine) |
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75 | USE ini1d ! re-initialization of u-v mask for the 1D configuration |
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76 | USE dyncor1d ! Coriolis factor at T-point |
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77 | USE step1d ! Time stepping loop for the 1D configuration |
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78 | |
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79 | USE initrc ! Initialization of the passive tracers |
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80 | |
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81 | IMPLICIT NONE |
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82 | PRIVATE |
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83 | |
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84 | !! * Module variables |
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85 | CHARACTER (len=64) :: & |
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86 | cform_aaa="( /, 'AAAAAAAA', / ) " ! flag for output listing |
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87 | |
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88 | !! * Routine accessibility |
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89 | PUBLIC opa_model ! called by model.F90 |
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90 | PUBLIC opa_init |
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91 | !!---------------------------------------------------------------------- |
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92 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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93 | !! $Header$ |
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94 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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95 | !!---------------------------------------------------------------------- |
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96 | |
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97 | CONTAINS |
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98 | |
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99 | SUBROUTINE opa_model |
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100 | !!---------------------------------------------------------------------- |
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101 | !! *** ROUTINE opa *** |
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102 | !! |
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103 | !! ** Purpose : opa solves the primitive equations on an orthogonal |
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104 | !! curvilinear mesh on the sphere. |
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105 | !! |
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106 | !! ** Method : - model general initialization |
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107 | !! - launch the time-stepping (stp routine) |
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108 | !! |
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109 | !! References : |
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110 | !! Madec, Delecluse,Imbard, and Levy, 1997: reference manual. |
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111 | !! internal report, IPSL. |
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112 | !!---------------------------------------------------------------------- |
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113 | INTEGER :: istp ! time step index |
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114 | !!---------------------------------------------------------------------- |
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115 | |
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116 | #if defined key_agrif |
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117 | CALL Agrif_Init_Grids() |
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118 | #endif |
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119 | |
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120 | CALL opa_init ! Initializations |
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121 | |
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122 | IF( lk_cfg_1d ) THEN |
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123 | istp = nit000 |
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124 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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125 | #if defined key_agrif |
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126 | CALL Agrif_Step(stp_1d) |
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127 | #else |
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128 | CALL stp_1d( istp ) |
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129 | #endif |
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130 | istp = istp + 1 |
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131 | END DO |
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132 | ELSE |
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133 | istp = nit000 |
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134 | DO WHILE ( istp <= nitend .AND. nstop == 0 ) |
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135 | #if defined key_agrif |
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136 | CALL Agrif_Step(stp) |
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137 | #else |
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138 | CALL stp( istp ) |
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139 | #endif |
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140 | istp = istp + 1 |
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141 | END DO |
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142 | ENDIF |
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143 | ! ! ========= ! |
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144 | ! ! Job end ! |
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145 | ! ! ========= ! |
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146 | |
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147 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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148 | |
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149 | IF( nstop /= 0 ) THEN ! error print |
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150 | IF(lwp) WRITE(numout,cform_err) |
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151 | IF(lwp) WRITE(numout,*) nstop, ' error have been found' |
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152 | ENDIF |
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153 | |
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154 | CALL opa_closefile |
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155 | IF( lk_mpp ) CALL mppstop ! Close all files (mpp) |
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156 | |
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157 | END SUBROUTINE opa_model |
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158 | |
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159 | |
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160 | SUBROUTINE opa_init |
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161 | !!---------------------------------------------------------------------- |
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162 | !! *** ROUTINE opa_init *** |
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163 | !! |
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164 | !! ** Purpose : initialization of the opa model |
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165 | !! |
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166 | !!---------------------------------------------------------------------- |
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167 | #if defined key_coupled |
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168 | INTEGER :: itro, istp0 ! ??? |
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169 | #endif |
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170 | CHARACTER (len=20) :: namelistname |
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171 | CHARACTER (len=28) :: file_out |
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172 | !!---------------------------------------------------------------------- |
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173 | |
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174 | ! Initializations |
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175 | ! =============== |
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176 | |
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177 | file_out = 'ocean.output' |
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178 | |
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179 | ! open listing and namelist units |
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180 | IF ( numout /= 0 .AND. numout /= 6 ) THEN |
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181 | CALL ctlopn( numout, file_out, 'UNKNOWN', 'FORMATTED', & |
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182 | & 'SEQUENTIAL', 1, numout, .FALSE., 1 ) |
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183 | ENDIF |
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184 | |
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185 | namelistname = 'namelist' |
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186 | CALL ctlopn( numnam, namelistname, 'OLD', 'FORMATTED', 'SEQUENTIAL', & |
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187 | & 1, numout, .FALSE., 1 ) |
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188 | |
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189 | WRITE(numout,*) |
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190 | WRITE(numout,*) ' L O D Y C - I P S L' |
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191 | WRITE(numout,*) ' O P A model' |
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192 | WRITE(numout,*) ' Ocean General Circulation Model' |
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193 | WRITE(numout,*) ' version OPA 9.0 (2005) ' |
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194 | WRITE(numout,*) |
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195 | WRITE(numout,*) |
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196 | |
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197 | ! Nodes selection |
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198 | narea = mynode() |
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199 | narea = narea + 1 ! mynode return the rank of proc (0 --> jpnij -1 ) |
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200 | lwp = narea == 1 |
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201 | |
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202 | IF( lk_mpp ) THEN |
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203 | CLOSE( numout ) ! standard model output file |
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204 | WRITE(file_out,FMT="('ocean.output_',I4.4)") narea-1 |
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205 | IF ( numout /= 0 .AND. numout /= 6 ) THEN |
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206 | CALL ctlopn( numout, file_out, 'UNKNOWN', 'FORMATTED', & |
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207 | & 'SEQUENTIAL', 1, numout, .FALSE., 1 ) |
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208 | ENDIF |
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209 | ! |
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210 | WRITE(numout,*) |
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211 | WRITE(numout,*) ' L O D Y C - I P S L' |
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212 | WRITE(numout,*) ' O P A model' |
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213 | WRITE(numout,*) ' Ocean General Circulation Model' |
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214 | WRITE(numout,*) ' version OPA 9.0 (2005) ' |
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215 | WRITE(numout,*) ' MPI Ocean output ' |
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216 | WRITE(numout,*) |
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217 | WRITE(numout,*) |
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218 | ENDIF |
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219 | |
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220 | ! ! ============================== ! |
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221 | ! ! Model general initialization ! |
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222 | ! ! ============================== ! |
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223 | |
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224 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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225 | |
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226 | ! Domain decomposition |
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227 | IF( jpni*jpnj == jpnij ) THEN |
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228 | CALL mpp_init ! standard cutting out |
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229 | ELSE |
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230 | CALL mpp_init2 ! eliminate land processors |
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231 | ENDIF |
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232 | |
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233 | CALL phy_cst ! Physical constants |
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234 | |
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235 | CALL dom_cfg ! Domain configuration |
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236 | |
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237 | CALL dom_init ! Domain |
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238 | |
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239 | IF( ln_ctl ) CALL prt_ctl_init ! Print control |
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240 | |
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241 | IF( lk_cfg_1d ) CALL fcorio_1d ! redefine Coriolis at T-point |
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242 | |
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243 | IF( lk_obc ) CALL obc_init ! Open boundaries |
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244 | |
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245 | CALL day( nit000 ) ! Calendar |
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246 | |
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247 | CALL istate_init ! ocean initial state (Dynamics and tracers) |
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248 | |
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249 | IF( lk_dynspg_flt .OR. lk_dynspg_rl ) THEN |
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250 | CALL solver_init( nit000 ) ! Elliptic solver |
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251 | ENDIF |
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252 | |
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253 | !!add |
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254 | CALL eos( tb, sb, rhd, rhop ) ! before potential and in situ densities |
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255 | |
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256 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
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257 | |
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258 | IF( ln_zps .AND. .NOT. lk_cfg_1d ) & |
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259 | & CALL zps_hde( nit000, tb, sb, rhd, & ! Partial steps: before Horizontal DErivative |
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260 | gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
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261 | gtv, gsv, grv ) |
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262 | !!add |
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263 | |
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264 | CALL oc_fz_pt ! Surface freezing point |
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265 | |
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266 | #if defined key_ice_lim |
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267 | CALL ice_init ! Sea ice model |
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268 | #endif |
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269 | |
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270 | ! ! Ocean scheme |
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271 | |
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272 | CALL opa_flg ! Choice of algorithms |
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273 | |
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274 | ! ! Ocean physics |
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275 | |
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276 | CALL ldf_dyn_init ! Lateral ocean momentum physics |
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277 | |
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278 | CALL ldf_tra_init ! Lateral ocean tracer physics |
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279 | |
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280 | CALL zdf_init ! Vertical ocean physics |
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281 | |
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282 | ! ! Ocean trends |
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283 | ! Control parameters |
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284 | IF( lk_trdtra .OR. lk_trdmld ) l_trdtra = .TRUE. |
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285 | IF( lk_trddyn .OR. lk_trdvor ) l_trddyn = .TRUE. |
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286 | |
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287 | IF( lk_trddyn .OR. lk_trdtra ) & |
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288 | & CALL trd_icp_init ! active tracers and/or momentum |
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289 | |
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290 | IF( lk_trdmld ) CALL trd_mld_init ! mixed layer |
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291 | |
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292 | IF( lk_trdvor ) CALL trd_vor_init ! vorticity |
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293 | |
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294 | #if defined key_passivetrc |
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295 | CALL ini_trc ! Passive tracers |
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296 | #endif |
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297 | |
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298 | #if defined key_coupled |
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299 | itro = nitend - nit000 + 1 ! Coupled |
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300 | istp0 = NINT( rdt ) |
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301 | CALL cpl_init( itro, nexco, istp0 ) ! Signal processing and process id exchange |
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302 | #endif |
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303 | |
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304 | CALL flx_init ! Thermohaline forcing initialization |
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305 | |
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306 | CALL flx_fwb_init ! FreshWater Budget correction |
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307 | |
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308 | CALL dia_ptr_init ! Poleward TRansports initialization |
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309 | |
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310 | ! ! =============== ! |
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311 | ! ! time stepping ! |
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312 | ! ! =============== ! |
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313 | |
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314 | IF(lwp) WRITE(numout,cform_aaa) ! Flag AAAAAAA |
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315 | |
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316 | IF( lk_cfg_1d ) THEN |
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317 | CALL init_1d |
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318 | ENDIF |
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319 | |
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320 | END SUBROUTINE opa_init |
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321 | |
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322 | |
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323 | SUBROUTINE opa_flg |
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324 | !!---------------------------------------------------------------------- |
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325 | !! *** ROUTINE opa *** |
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326 | !! |
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327 | !! ** Purpose : Initialize logical flags that control the choice of |
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328 | !! some algorithm or control print |
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329 | !! |
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330 | !! ** Method : Read in namilist namflg logical flags |
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331 | !! |
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332 | !! History : |
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333 | !! 9.0 ! 03-11 (G. Madec) Original code |
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334 | !!---------------------------------------------------------------------- |
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335 | !! * Local declarations |
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336 | |
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337 | NAMELIST/namflg/ ln_dynhpg_imp |
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338 | !!---------------------------------------------------------------------- |
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339 | |
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340 | ! Read Namelist namflg : algorithm FLaG |
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341 | ! -------------------- |
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342 | REWIND ( numnam ) |
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343 | READ ( numnam, namflg ) |
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344 | |
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345 | ! Parameter control and print |
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346 | ! --------------------------- |
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347 | ! Control print |
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348 | IF(lwp) THEN |
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349 | WRITE(numout,*) |
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350 | WRITE(numout,*) 'opa_flg : algorithm flag initialization' |
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351 | WRITE(numout,*) '~~~~~~~' |
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352 | WRITE(numout,*) ' Namelist namflg : set algorithm flags' |
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353 | WRITE(numout,*) |
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354 | WRITE(numout,*) ' centered (F) or semi-implicit (T) ln_dynhpg_imp = ', ln_dynhpg_imp |
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355 | WRITE(numout,*) ' hydrostatic pressure gradient' |
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356 | ENDIF |
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357 | |
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358 | END SUBROUTINE opa_flg |
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359 | |
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360 | |
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361 | SUBROUTINE opa_closefile |
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362 | !!---------------------------------------------------------------------- |
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363 | !! *** ROUTINE opa_closefile *** |
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364 | !! |
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365 | !! ** Purpose : Close the files |
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366 | !! |
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367 | !! ** Method : |
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368 | !! |
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369 | !! History : |
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370 | !! 9.0 ! 05-01 (O. Le Galloudec) Original code |
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371 | !!---------------------------------------------------------------------- |
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372 | !! * Modules used |
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373 | USE dtatem ! temperature data |
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374 | USE dtasal ! salinity data |
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375 | USE dtasst ! sea surface temperature data |
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376 | !!---------------------------------------------------------------------- |
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377 | |
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378 | IF ( lk_mpp ) CALL mppsync |
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379 | |
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380 | ! 1. Unit close |
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381 | ! ------------- |
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382 | |
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383 | CLOSE( numnam ) ! namelist |
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384 | CLOSE( numout ) ! standard model output file |
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385 | CLOSE( numstp ) ! time-step file |
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386 | |
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387 | IF(lwp) CLOSE( numsol ) |
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388 | |
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389 | END SUBROUTINE opa_closefile |
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390 | |
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391 | !!====================================================================== |
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392 | END MODULE opa |
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