1 | MODULE domain |
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2 | !!============================================================================== |
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3 | !! *** MODULE domain *** |
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4 | !! Ocean initialization : domain initialization |
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5 | !!============================================================================== |
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6 | !! History : OPA ! 1990-10 (C. Levy - G. Madec) Original code |
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7 | !! ! 1992-01 (M. Imbard) insert time step initialization |
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8 | !! ! 1996-06 (G. Madec) generalized vertical coordinate |
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9 | !! ! 1997-02 (G. Madec) creation of domwri.F |
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10 | !! ! 2001-05 (E.Durand - G. Madec) insert closed sea |
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11 | !! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and module |
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12 | !! 2.0 ! 2005-11 (V. Garnier) Surface pressure gradient organization |
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13 | !! 3.3 ! 2010-11 (G. Madec) initialisation in C1D configuration |
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14 | !!---------------------------------------------------------------------- |
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15 | |
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16 | !!---------------------------------------------------------------------- |
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17 | !! dom_init : initialize the space and time domain |
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18 | !! dom_nam : read and contral domain namelists |
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19 | !! dom_ctl : control print for the ocean domain |
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20 | !!---------------------------------------------------------------------- |
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21 | USE oce ! ocean variables |
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22 | USE dom_oce ! domain: ocean |
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23 | USE sbc_oce ! surface boundary condition: ocean |
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24 | USE phycst ! physical constants |
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25 | USE closea ! closed seas |
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26 | USE in_out_manager ! I/O manager |
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27 | USE lib_mpp ! distributed memory computing library |
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28 | |
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29 | USE domhgr ! domain: set the horizontal mesh |
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30 | USE domzgr ! domain: set the vertical mesh |
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31 | USE domstp ! domain: set the time-step |
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32 | USE dommsk ! domain: set the mask system |
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33 | USE domwri ! domain: write the meshmask file |
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34 | USE domvvl ! variable volume |
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35 | USE c1d ! 1D vertical configuration |
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36 | USE dyncor_c1d ! Coriolis term (c1d case) (cor_c1d routine) |
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37 | USE timing ! Timing |
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38 | USE lbclnk ! ocean lateral boundary condition (or mpp link) |
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39 | |
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40 | IMPLICIT NONE |
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41 | PRIVATE |
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42 | |
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43 | PUBLIC dom_init ! called by opa.F90 |
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44 | |
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45 | !! * Substitutions |
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46 | # include "domzgr_substitute.h90" |
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47 | !!------------------------------------------------------------------------- |
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48 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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49 | !! $Id$ |
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50 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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51 | !!------------------------------------------------------------------------- |
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52 | CONTAINS |
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53 | |
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54 | SUBROUTINE dom_init |
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55 | !!---------------------------------------------------------------------- |
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56 | !! *** ROUTINE dom_init *** |
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57 | !! |
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58 | !! ** Purpose : Domain initialization. Call the routines that are |
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59 | !! required to create the arrays which define the space |
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60 | !! and time domain of the ocean model. |
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61 | !! |
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62 | !! ** Method : - dom_msk: compute the masks from the bathymetry file |
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63 | !! - dom_hgr: compute or read the horizontal grid-point position |
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64 | !! and scale factors, and the coriolis factor |
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65 | !! - dom_zgr: define the vertical coordinate and the bathymetry |
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66 | !! - dom_stp: defined the model time step |
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67 | !! - dom_wri: create the meshmask file if nmsh=1 |
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68 | !! - 1D configuration, move Coriolis, u and v at T-point |
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69 | !!---------------------------------------------------------------------- |
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70 | INTEGER :: jk ! dummy loop argument |
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71 | INTEGER :: iconf = 0 ! local integers |
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72 | !!---------------------------------------------------------------------- |
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73 | ! |
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74 | IF( nn_timing == 1 ) CALL timing_start('dom_init') |
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75 | ! |
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76 | IF(lwp) THEN |
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77 | WRITE(numout,*) |
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78 | WRITE(numout,*) 'dom_init : domain initialization' |
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79 | WRITE(numout,*) '~~~~~~~~' |
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80 | ENDIF |
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81 | ! |
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82 | CALL dom_nam ! read namelist ( namrun, namdom, namcla ) |
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83 | CALL dom_clo ! Closed seas and lake |
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84 | CALL dom_hgr ! Horizontal mesh |
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85 | CALL dom_zgr ! Vertical mesh and bathymetry |
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86 | CALL dom_msk ! Masks |
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87 | IF( ln_sco ) CALL dom_stiff ! Maximum stiffness ratio/hydrostatic consistency |
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88 | IF( lk_vvl ) CALL dom_vvl ! Vertical variable mesh |
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89 | ! |
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90 | IF( lk_c1d ) CALL cor_c1d ! 1D configuration: Coriolis set at T-point |
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91 | ! |
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92 | hu(:,:) = 0._wp ! Ocean depth at U- and V-points |
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93 | hv(:,:) = 0._wp |
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94 | DO jk = 1, jpk |
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95 | hu(:,:) = hu(:,:) + fse3u(:,:,jk) * umask(:,:,jk) |
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96 | hv(:,:) = hv(:,:) + fse3v(:,:,jk) * vmask(:,:,jk) |
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97 | END DO |
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98 | ! ! Inverse of the local depth |
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99 | hur(:,:) = 1._wp / ( hu(:,:) + 1._wp - umask(:,:,1) ) * umask(:,:,1) |
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100 | hvr(:,:) = 1._wp / ( hv(:,:) + 1._wp - vmask(:,:,1) ) * vmask(:,:,1) |
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101 | |
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102 | CALL dom_stp ! time step |
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103 | IF( nmsh /= 0 ) CALL dom_wri ! Create a domain file |
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104 | IF( .NOT.ln_rstart ) CALL dom_ctl ! Domain control |
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105 | ! |
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106 | IF( nn_timing == 1 ) CALL timing_stop('dom_init') |
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107 | ! |
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108 | END SUBROUTINE dom_init |
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109 | |
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110 | |
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111 | SUBROUTINE dom_nam |
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112 | !!---------------------------------------------------------------------- |
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113 | !! *** ROUTINE dom_nam *** |
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114 | !! |
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115 | !! ** Purpose : read domaine namelists and print the variables. |
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116 | !! |
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117 | !! ** input : - namrun namelist |
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118 | !! - namdom namelist |
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119 | !! - namcla namelist |
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120 | !! - namnc4 namelist ! "key_netcdf4" only |
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121 | !!---------------------------------------------------------------------- |
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122 | USE ioipsl |
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123 | NAMELIST/namrun/ nn_no , cn_exp , cn_ocerst_in, cn_ocerst_out, ln_rstart , nn_rstctl, & |
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124 | & nn_it000, nn_itend , nn_date0 , nn_leapy , nn_istate , nn_stock , & |
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125 | & nn_write, ln_dimgnnn, ln_mskland , ln_clobber , nn_chunksz |
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126 | NAMELIST/namdom/ nn_bathy , rn_e3zps_min, rn_e3zps_rat, nn_msh , rn_hmin, & |
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127 | & nn_acc , rn_atfp , rn_rdt , rn_rdtmin , & |
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128 | & rn_rdtmax, rn_rdth , nn_baro , nn_closea |
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129 | NAMELIST/namcla/ nn_cla |
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130 | #if defined key_netcdf4 |
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131 | NAMELIST/namnc4/ nn_nchunks_i, nn_nchunks_j, nn_nchunks_k, ln_nc4zip |
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132 | #endif |
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133 | !!---------------------------------------------------------------------- |
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134 | |
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135 | REWIND( numnam ) ! Namelist namrun : parameters of the run |
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136 | READ ( numnam, namrun ) |
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137 | ! |
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138 | IF(lwp) THEN ! control print |
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139 | WRITE(numout,*) |
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140 | WRITE(numout,*) 'dom_nam : domain initialization through namelist read' |
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141 | WRITE(numout,*) '~~~~~~~ ' |
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142 | WRITE(numout,*) ' Namelist namrun' |
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143 | WRITE(numout,*) ' job number nn_no = ', nn_no |
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144 | WRITE(numout,*) ' experiment name for output cn_exp = ', cn_exp |
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145 | WRITE(numout,*) ' restart logical ln_rstart = ', ln_rstart |
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146 | WRITE(numout,*) ' control of time step nn_rstctl = ', nn_rstctl |
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147 | WRITE(numout,*) ' number of the first time step nn_it000 = ', nn_it000 |
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148 | WRITE(numout,*) ' number of the last time step nn_itend = ', nn_itend |
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149 | WRITE(numout,*) ' initial calendar date aammjj nn_date0 = ', nn_date0 |
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150 | WRITE(numout,*) ' leap year calendar (0/1) nn_leapy = ', nn_leapy |
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151 | WRITE(numout,*) ' initial state output nn_istate = ', nn_istate |
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152 | WRITE(numout,*) ' frequency of restart file nn_stock = ', nn_stock |
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153 | WRITE(numout,*) ' frequency of output file nn_write = ', nn_write |
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154 | WRITE(numout,*) ' multi file dimgout ln_dimgnnn = ', ln_dimgnnn |
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155 | WRITE(numout,*) ' mask land points ln_mskland = ', ln_mskland |
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156 | WRITE(numout,*) ' overwrite an existing file ln_clobber = ', ln_clobber |
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157 | WRITE(numout,*) ' NetCDF chunksize (bytes) nn_chunksz = ', nn_chunksz |
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158 | ENDIF |
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159 | |
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160 | no = nn_no ! conversion DOCTOR names into model names (this should disappear soon) |
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161 | cexper = cn_exp |
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162 | nrstdt = nn_rstctl |
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163 | nit000 = nn_it000 |
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164 | nitend = nn_itend |
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165 | ndate0 = nn_date0 |
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166 | nleapy = nn_leapy |
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167 | ninist = nn_istate |
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168 | nstock = nn_stock |
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169 | nwrite = nn_write |
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170 | |
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171 | |
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172 | ! ! control of output frequency |
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173 | IF ( nstock == 0 .OR. nstock > nitend ) THEN |
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174 | WRITE(ctmp1,*) 'nstock = ', nstock, ' it is forced to ', nitend |
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175 | CALL ctl_warn( ctmp1 ) |
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176 | nstock = nitend |
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177 | ENDIF |
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178 | IF ( nwrite == 0 ) THEN |
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179 | WRITE(ctmp1,*) 'nwrite = ', nwrite, ' it is forced to ', nitend |
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180 | CALL ctl_warn( ctmp1 ) |
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181 | nwrite = nitend |
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182 | ENDIF |
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183 | |
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184 | #if defined key_agrif |
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185 | IF( Agrif_Root() ) THEN |
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186 | #endif |
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187 | SELECT CASE ( nleapy ) ! Choose calendar for IOIPSL |
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188 | CASE ( 1 ) |
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189 | CALL ioconf_calendar('gregorian') |
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190 | IF(lwp) WRITE(numout,*) ' The IOIPSL calendar is "gregorian", i.e. leap year' |
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191 | CASE ( 0 ) |
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192 | CALL ioconf_calendar('noleap') |
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193 | IF(lwp) WRITE(numout,*) ' The IOIPSL calendar is "noleap", i.e. no leap year' |
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194 | CASE ( 30 ) |
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195 | CALL ioconf_calendar('360d') |
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196 | IF(lwp) WRITE(numout,*) ' The IOIPSL calendar is "360d", i.e. 360 days in a year' |
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197 | END SELECT |
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198 | #if defined key_agrif |
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199 | ENDIF |
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200 | #endif |
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201 | |
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202 | REWIND( numnam ) ! Namelist namdom : space & time domain (bathymetry, mesh, timestep) |
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203 | READ ( numnam, namdom ) |
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204 | |
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205 | IF(lwp) THEN |
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206 | WRITE(numout,*) |
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207 | WRITE(numout,*) ' Namelist namdom : space & time domain' |
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208 | WRITE(numout,*) ' flag read/compute bathymetry nn_bathy = ', nn_bathy |
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209 | WRITE(numout,*) ' min depth of the ocean (>0) or rn_hmin = ', rn_hmin |
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210 | WRITE(numout,*) ' min number of ocean level (<0) ' |
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211 | WRITE(numout,*) ' minimum thickness of partial rn_e3zps_min = ', rn_e3zps_min, ' (m)' |
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212 | WRITE(numout,*) ' step level rn_e3zps_rat = ', rn_e3zps_rat |
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213 | WRITE(numout,*) ' create mesh/mask file(s) nn_msh = ', nn_msh |
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214 | WRITE(numout,*) ' = 0 no file created ' |
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215 | WRITE(numout,*) ' = 1 mesh_mask ' |
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216 | WRITE(numout,*) ' = 2 mesh and mask ' |
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217 | WRITE(numout,*) ' = 3 mesh_hgr, msh_zgr and mask' |
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218 | WRITE(numout,*) ' ocean time step rn_rdt = ', rn_rdt |
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219 | WRITE(numout,*) ' asselin time filter parameter rn_atfp = ', rn_atfp |
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220 | WRITE(numout,*) ' time-splitting: nb of sub time-step nn_baro = ', nn_baro |
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221 | WRITE(numout,*) ' acceleration of converge nn_acc = ', nn_acc |
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222 | WRITE(numout,*) ' nn_acc=1: surface tracer rdt rn_rdtmin = ', rn_rdtmin |
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223 | WRITE(numout,*) ' bottom tracer rdt rdtmax = ', rn_rdtmax |
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224 | WRITE(numout,*) ' depth of transition rn_rdth = ', rn_rdth |
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225 | WRITE(numout,*) ' suppression of closed seas (=0) nn_closea = ', nn_closea |
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226 | ENDIF |
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227 | |
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228 | ntopo = nn_bathy ! conversion DOCTOR names into model names (this should disappear soon) |
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229 | e3zps_min = rn_e3zps_min |
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230 | e3zps_rat = rn_e3zps_rat |
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231 | nmsh = nn_msh |
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232 | nacc = nn_acc |
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233 | atfp = rn_atfp |
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234 | rdt = rn_rdt |
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235 | rdtmin = rn_rdtmin |
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236 | rdtmax = rn_rdtmin |
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237 | rdth = rn_rdth |
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238 | |
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239 | REWIND( numnam ) ! Namelist cross land advection |
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240 | READ ( numnam, namcla ) |
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241 | IF(lwp) THEN |
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242 | WRITE(numout,*) |
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243 | WRITE(numout,*) ' Namelist namcla' |
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244 | WRITE(numout,*) ' cross land advection nn_cla = ', nn_cla |
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245 | ENDIF |
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246 | |
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247 | #if defined key_netcdf4 |
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248 | ! ! NetCDF 4 case ("key_netcdf4" defined) |
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249 | REWIND( numnam ) ! Namelist namnc4 : netcdf4 chunking parameters |
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250 | READ ( numnam, namnc4 ) |
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251 | IF(lwp) THEN ! control print |
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252 | WRITE(numout,*) |
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253 | WRITE(numout,*) ' Namelist namnc4 - Netcdf4 chunking parameters' |
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254 | WRITE(numout,*) ' number of chunks in i-dimension nn_nchunks_i = ', nn_nchunks_i |
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255 | WRITE(numout,*) ' number of chunks in j-dimension nn_nchunks_j = ', nn_nchunks_j |
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256 | WRITE(numout,*) ' number of chunks in k-dimension nn_nchunks_k = ', nn_nchunks_k |
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257 | WRITE(numout,*) ' apply netcdf4/hdf5 chunking & compression ln_nc4zip = ', ln_nc4zip |
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258 | ENDIF |
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259 | |
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260 | ! Put the netcdf4 settings into a simple structure (snc4set, defined in in_out_manager module) |
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261 | ! Note the chunk size in the unlimited (time) dimension will be fixed at 1 |
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262 | snc4set%ni = nn_nchunks_i |
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263 | snc4set%nj = nn_nchunks_j |
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264 | snc4set%nk = nn_nchunks_k |
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265 | snc4set%luse = ln_nc4zip |
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266 | #else |
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267 | snc4set%luse = .FALSE. ! No NetCDF 4 case |
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268 | #endif |
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269 | ! |
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270 | END SUBROUTINE dom_nam |
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271 | |
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272 | |
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273 | SUBROUTINE dom_ctl |
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274 | !!---------------------------------------------------------------------- |
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275 | !! *** ROUTINE dom_ctl *** |
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276 | !! |
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277 | !! ** Purpose : Domain control. |
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278 | !! |
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279 | !! ** Method : compute and print extrema of masked scale factors |
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280 | !!---------------------------------------------------------------------- |
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281 | INTEGER :: iimi1, ijmi1, iimi2, ijmi2, iima1, ijma1, iima2, ijma2 |
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282 | INTEGER, DIMENSION(2) :: iloc ! |
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283 | REAL(wp) :: ze1min, ze1max, ze2min, ze2max |
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284 | !!---------------------------------------------------------------------- |
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285 | ! |
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286 | IF(lk_mpp) THEN |
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287 | CALL mpp_minloc( e1t(:,:), tmask(:,:,1), ze1min, iimi1,ijmi1 ) |
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288 | CALL mpp_minloc( e2t(:,:), tmask(:,:,1), ze2min, iimi2,ijmi2 ) |
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289 | CALL mpp_maxloc( e1t(:,:), tmask(:,:,1), ze1max, iima1,ijma1 ) |
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290 | CALL mpp_maxloc( e2t(:,:), tmask(:,:,1), ze2max, iima2,ijma2 ) |
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291 | ELSE |
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292 | ze1min = MINVAL( e1t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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293 | ze2min = MINVAL( e2t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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294 | ze1max = MAXVAL( e1t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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295 | ze2max = MAXVAL( e2t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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296 | |
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297 | iloc = MINLOC( e1t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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298 | iimi1 = iloc(1) + nimpp - 1 |
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299 | ijmi1 = iloc(2) + njmpp - 1 |
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300 | iloc = MINLOC( e2t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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301 | iimi2 = iloc(1) + nimpp - 1 |
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302 | ijmi2 = iloc(2) + njmpp - 1 |
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303 | iloc = MAXLOC( e1t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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304 | iima1 = iloc(1) + nimpp - 1 |
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305 | ijma1 = iloc(2) + njmpp - 1 |
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306 | iloc = MAXLOC( e2t(:,:), mask = tmask(:,:,1) == 1._wp ) |
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307 | iima2 = iloc(1) + nimpp - 1 |
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308 | ijma2 = iloc(2) + njmpp - 1 |
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309 | ENDIF |
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310 | IF(lwp) THEN |
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311 | WRITE(numout,*) |
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312 | WRITE(numout,*) 'dom_ctl : extrema of the masked scale factors' |
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313 | WRITE(numout,*) '~~~~~~~' |
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314 | WRITE(numout,"(14x,'e1t maxi: ',1f10.2,' at i = ',i5,' j= ',i5)") ze1max, iima1, ijma1 |
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315 | WRITE(numout,"(14x,'e1t mini: ',1f10.2,' at i = ',i5,' j= ',i5)") ze1min, iimi1, ijmi1 |
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316 | WRITE(numout,"(14x,'e2t maxi: ',1f10.2,' at i = ',i5,' j= ',i5)") ze2max, iima2, ijma2 |
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317 | WRITE(numout,"(14x,'e2t mini: ',1f10.2,' at i = ',i5,' j= ',i5)") ze2min, iimi2, ijmi2 |
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318 | ENDIF |
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319 | ! |
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320 | END SUBROUTINE dom_ctl |
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321 | |
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322 | SUBROUTINE dom_stiff |
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323 | !!---------------------------------------------------------------------- |
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324 | !! *** ROUTINE dom_stiff *** |
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325 | !! |
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326 | !! ** Purpose : Diagnose maximum grid stiffness/hydrostatic consistency |
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327 | !! |
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328 | !! ** Method : Compute Haney (1991) hydrostatic condition ratio |
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329 | !! Save the maximum in the vertical direction |
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330 | !! (this number is only relevant in s-coordinates) |
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331 | !! |
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332 | !! Haney, R. L., 1991: On the pressure gradient force |
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333 | !! over steep topography in sigma coordinate ocean models. |
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334 | !! J. Phys. Oceanogr., 21, 610???619. |
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335 | !!---------------------------------------------------------------------- |
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336 | INTEGER :: ji, jj, jk |
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337 | REAL(wp) :: zrxmax |
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338 | REAL(wp), DIMENSION(4) :: zr1 |
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339 | !!---------------------------------------------------------------------- |
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340 | rx1(:,:) = 0.e0 |
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341 | zrxmax = 0.e0 |
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342 | zr1(:) = 0.e0 |
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343 | |
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344 | DO ji = 2, jpim1 |
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345 | DO jj = 2, jpjm1 |
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346 | DO jk = 1, jpkm1 |
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347 | zr1(1) = umask(ji-1,jj ,jk) *abs( (gdepw(ji ,jj ,jk )-gdepw(ji-1,jj ,jk ) & |
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348 | & +gdepw(ji ,jj ,jk+1)-gdepw(ji-1,jj ,jk+1)) & |
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349 | & /(gdepw(ji ,jj ,jk )+gdepw(ji-1,jj ,jk ) & |
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350 | & -gdepw(ji ,jj ,jk+1)-gdepw(ji-1,jj ,jk+1) + rsmall) ) |
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351 | zr1(2) = umask(ji ,jj ,jk) *abs( (gdepw(ji+1,jj ,jk )-gdepw(ji ,jj ,jk ) & |
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352 | & +gdepw(ji+1,jj ,jk+1)-gdepw(ji ,jj ,jk+1)) & |
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353 | & /(gdepw(ji+1,jj ,jk )+gdepw(ji ,jj ,jk ) & |
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354 | & -gdepw(ji+1,jj ,jk+1)-gdepw(ji ,jj ,jk+1) + rsmall) ) |
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355 | zr1(3) = vmask(ji ,jj ,jk) *abs( (gdepw(ji ,jj+1,jk )-gdepw(ji ,jj ,jk ) & |
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356 | & +gdepw(ji ,jj+1,jk+1)-gdepw(ji ,jj ,jk+1)) & |
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357 | & /(gdepw(ji ,jj+1,jk )+gdepw(ji ,jj ,jk ) & |
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358 | & -gdepw(ji ,jj+1,jk+1)-gdepw(ji ,jj ,jk+1) + rsmall) ) |
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359 | zr1(4) = vmask(ji ,jj-1,jk) *abs( (gdepw(ji ,jj ,jk )-gdepw(ji ,jj-1,jk ) & |
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360 | & +gdepw(ji ,jj ,jk+1)-gdepw(ji ,jj-1,jk+1)) & |
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361 | & /(gdepw(ji ,jj ,jk )+gdepw(ji ,jj-1,jk ) & |
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362 | & -gdepw(ji, jj ,jk+1)-gdepw(ji ,jj-1,jk+1) + rsmall) ) |
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363 | zrxmax = MAXVAL(zr1(1:4)) |
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364 | rx1(ji,jj) = MAX(rx1(ji,jj), zrxmax) |
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365 | END DO |
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366 | END DO |
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367 | END DO |
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368 | |
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369 | CALL lbc_lnk( rx1, 'T', 1. ) |
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370 | |
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371 | zrxmax = MAXVAL(rx1) |
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372 | |
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373 | IF( lk_mpp ) CALL mpp_max( zrxmax ) ! max over the global domain |
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374 | |
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375 | IF(lwp) THEN |
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376 | WRITE(numout,*) |
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377 | WRITE(numout,*) 'dom_stiff : maximum grid stiffness ratio: ', zrxmax |
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378 | WRITE(numout,*) '~~~~~~~~~' |
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379 | ENDIF |
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380 | |
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381 | END SUBROUTINE dom_stiff |
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382 | |
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383 | |
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384 | |
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385 | !!====================================================================== |
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386 | END MODULE domain |
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