1 | !!--------------------------------------------------------------------- |
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2 | !! *** restart_dimg.h90 *** |
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3 | !!--------------------------------------------------------------------- |
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4 | |
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5 | SUBROUTINE rst_write(kt) |
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6 | !!--------------------------------------------------------------------- |
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7 | !! *** ROUTINE rst_write *** |
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8 | !! |
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9 | !! ** Purpose : Write restart fields in direct access format in mpp. |
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10 | !! one per process |
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11 | !! |
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12 | !! ** Method : each nstock time step , save fields which are necessary |
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13 | !! for restart |
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14 | !! Record #1 hold general information on the state of the run |
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15 | !! Data fields (either 3D or 2D ) starts ar record #2 |
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16 | !! |
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17 | !! History : |
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18 | !! ! 91-03 () original code |
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19 | !! ! 91-11 (G. Madec) |
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20 | !! ! 92-06 (M. Imbard) correction restart file |
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21 | !! ! 92-07 (M. Imbard) split into diawri and rstwri |
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22 | !! ! 98-02 (M. Guyon) FETI method |
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23 | !! ! 98-05 (G. Roullet) free surface |
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24 | !! ! 99-11 (M. Imbard) NetCDF FORMAT with ioipsl |
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25 | !! 8.5 ! 03-06 (J.M. Molines) F90: Free form, mpp support |
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26 | !!---------------------------------------------------------------------- |
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27 | !! * Arguments |
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28 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
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29 | |
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30 | !! * Local declarations |
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31 | INTEGER :: ino0, it0, ipcg0, isor0, itke0 |
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32 | INTEGER :: irecl8, irec |
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33 | INTEGER :: jk ! dummy loop indices |
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34 | INTEGER :: inum = 11 ! temporary logical unit |
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35 | INTEGER :: ios1 , ios2 ! flag for ice and bulk in the current run |
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36 | INTEGER :: ios3 ! flag for free surface. 0 = none 1 = yes. 0 = none 1 = yes |
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37 | INTEGER :: ios4 ! flag for coupled (1) or not (0) |
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38 | |
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39 | CHARACTER(LEN=80) :: clres |
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40 | |
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41 | REAL(wp), DIMENSION( 1) :: zfice, zfblk ! used only in case of ice & bulk |
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42 | !!---------------------------------------------------------------------- |
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43 | !! OPA 8.5, LODYC-IPSL (2002) |
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44 | !!---------------------------------------------------------------------- |
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45 | |
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46 | IF( MOD( kt, nstock ) == 0 .OR. kt == nitend ) THEN |
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47 | |
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48 | ! 0. Initializations |
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49 | ! ------------------ |
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50 | |
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51 | IF(lwp) THEN |
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52 | WRITE(numout,*) ' ' |
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53 | WRITE(numout,*) ' rst_write: output done in inum = ', & |
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54 | inum,' at it= ',kt,' date= ',ndastp |
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55 | WRITE(numout,*) ' -------' |
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56 | ENDIF |
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57 | |
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58 | ! Open direct access file, with reclength for 2D wp fields |
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59 | irecl8= jpi * jpj * wp |
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60 | WRITE(clres,'(a,i3.3)') 'restart.output.',narea |
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61 | OPEN(inum,FILE=clres,FORM='UNFORMATTED', ACCESS='DIRECT', RECL=irecl8 ) |
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62 | |
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63 | |
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64 | ino0 = no |
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65 | it0 = kt |
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66 | ipcg0 = 0 |
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67 | isor0 = 0 |
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68 | itke0 = 0 |
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69 | isor0 = nsolv - 1 |
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70 | ipcg0 = 2 - nsolv |
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71 | IF ( lk_zdftke ) itke0=1 |
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72 | ! FETI method |
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73 | IF (nsolv == 3) THEN |
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74 | isor0 = 2 |
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75 | ipcg0 = 2 |
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76 | ENDIF |
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77 | |
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78 | ! 1. Write in inum |
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79 | ! ------------------ |
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80 | |
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81 | ! first record |
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82 | ios1 = 0 |
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83 | ios2 = 0 |
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84 | ios3 = 0 |
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85 | ios4 = 0 |
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86 | IF ( lk_ice_lim ) ios1 = 1 |
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87 | IF ( l_bulk ) ios2 = 1 |
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88 | IF ( lk_dynspg_fsc .OR. lk_dynspg_fsc_tsk ) ios3 = 1 |
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89 | IF ( lk_cpl ) ios4 = 1 |
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90 | |
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91 | WRITE(inum,REC=1) irecl8, ino0, it0, isor0, ipcg0, itke0, & |
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92 | & nfice, nfbulk , ios1, ios2, ios3, ios4, & |
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93 | & ndastp, adatrj, jpi, jpj, jpk, & |
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94 | & jpni, jpnj, jpnij, narea, jpiglo, jpjglo, & |
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95 | & nlcit, nlcjt, nldit, nldjt, nleit, nlejt, nimppt, njmppt |
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96 | |
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97 | ! prognostic variables |
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98 | |
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99 | irec=2 |
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100 | |
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101 | ! 'before' fields |
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102 | |
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103 | DO jk = 1, jpk |
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104 | WRITE(inum,REC=irec) ub(:,:,jk) |
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105 | irec = irec +1 |
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106 | END DO |
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107 | |
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108 | DO jk = 1, jpk |
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109 | WRITE(inum,REC=irec) vb(:,:,jk) |
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110 | irec = irec +1 |
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111 | END DO |
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112 | |
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113 | DO jk = 1, jpk |
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114 | WRITE(inum,REC=irec) tb(:,:,jk) |
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115 | irec = irec +1 |
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116 | END DO |
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117 | |
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118 | DO jk = 1, jpk |
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119 | WRITE(inum,REC=irec) sb(:,:,jk) |
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120 | irec = irec +1 |
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121 | END DO |
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122 | |
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123 | DO jk = 1, jpk |
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124 | WRITE(inum,REC=irec) rotb(:,:,jk) |
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125 | irec = irec +1 |
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126 | END DO |
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127 | |
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128 | DO jk = 1, jpk |
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129 | WRITE(inum,REC=irec) hdivb(:,:,jk) |
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130 | irec = irec +1 |
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131 | END DO |
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132 | |
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133 | ! 'now' fields |
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134 | |
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135 | DO jk = 1, jpk |
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136 | WRITE(inum,REC=irec) un(:,:,jk) |
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137 | irec = irec +1 |
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138 | END DO |
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139 | |
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140 | DO jk = 1, jpk |
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141 | WRITE(inum,REC=irec) vn(:,:,jk) |
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142 | irec = irec +1 |
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143 | END DO |
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144 | |
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145 | DO jk = 1, jpk |
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146 | WRITE(inum,REC=irec) tn(:,:,jk) |
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147 | irec = irec +1 |
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148 | END DO |
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149 | |
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150 | DO jk = 1, jpk |
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151 | WRITE(inum,REC=irec) sn(:,:,jk) |
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152 | irec = irec +1 |
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153 | END DO |
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154 | |
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155 | DO jk = 1, jpk |
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156 | WRITE(inum,REC=irec) rotn(:,:,jk) |
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157 | irec = irec +1 |
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158 | END DO |
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159 | |
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160 | DO jk = 1, jpk |
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161 | WRITE(inum,REC=irec) hdivn(:,:,jk) |
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162 | irec = irec +1 |
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163 | END DO |
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164 | |
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165 | ! elliptic solver arrays |
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166 | WRITE(inum,REC=irec ) gcx(:,:) |
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167 | irec = irec +1 |
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168 | |
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169 | WRITE(inum,REC=irec ) gcxb(:,:) |
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170 | irec = irec +1 |
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171 | |
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172 | #if defined key_dynspg_fsc |
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173 | |
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174 | ! free surface formulation (ssh) |
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175 | |
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176 | WRITE(inum,REC=irec ) sshb(:,:) |
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177 | irec = irec +1 |
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178 | |
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179 | WRITE(inum,REC=irec ) sshn(:,:) |
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180 | irec = irec +1 |
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181 | #else |
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182 | |
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183 | ! Rigid-lid formulation (bsf) |
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184 | |
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185 | WRITE(inum,REC=irec ) bsfb(:,:) |
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186 | irec = irec +1 |
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187 | |
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188 | WRITE(inum,REC=irec ) bsfn(:,:) |
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189 | irec = irec +1 |
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190 | |
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191 | WRITE(inum,REC=irec ) bsfd(:,:) |
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192 | irec = irec +1 |
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193 | |
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194 | #endif |
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195 | |
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196 | ! TKE arrays |
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197 | |
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198 | #if defined key_zdftke |
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199 | DO jk = 1, jpk |
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200 | WRITE(inum,REC=irec) en(:,:,jk) ; irec = irec + 1 |
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201 | END DO |
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202 | #endif |
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203 | |
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204 | #if defined key_ice_lim |
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205 | zfice(1) = FLOAT( nfice ) ! Louvain La Neuve Sea Ice Model |
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206 | WRITE(inum,REC=irec) zfice(:) ; irec = irec + 1 |
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207 | WRITE(inum,REC=irec) sst_io(:,:) ; irec = irec + 1 |
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208 | WRITE(inum,REC=irec) sss_io(:,:) ; irec = irec + 1 |
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209 | WRITE(inum,REC=irec) u_io (:,:) ; irec = irec + 1 |
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210 | WRITE(inum,REC=irec) v_io (:,:) ; irec = irec + 1 |
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211 | # if defined key_coupled |
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212 | WRITE(inum,REC=irec) alb_ice(:,:) ; irec = irec + 1 |
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213 | # endif |
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214 | #endif |
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215 | # if defined key_flx_bulk_monthly || defined key_flx_bulk_daily |
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216 | zfblk(1) = FLOAT( nfbulk ) ! Bulk |
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217 | WRITE(inum,REC=irec) zfblk(:) ; irec = irec + 1 |
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218 | WRITE(inum,REC=irec) gsst(:,:) ; irec = irec + 1 |
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219 | # endif |
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220 | |
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221 | CLOSE(inum) |
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222 | ENDIF |
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223 | |
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224 | END SUBROUTINE rst_write |
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225 | |
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226 | SUBROUTINE rst_read |
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227 | !!--------------------------------------------------------------------- |
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228 | !! ROUTINE rst_read |
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229 | !! ****************** |
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230 | !! ** Purpose : |
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231 | !! Read restart fields in direct access format, one per process |
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232 | !! |
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233 | !! ** Method : |
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234 | !! Just does the oposit than rst_wri |
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235 | !! |
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236 | !! History : |
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237 | !! ! 91-03 () original code |
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238 | !! ! 91-11 (G. Madec) |
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239 | !! ! 92-06 (M. Imbard) correction restart file |
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240 | !! ! 92-07 (M. Imbard) split into diawri and rstwri |
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241 | !! ! 98-02 (M. Guyon) FETI method |
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242 | !! ! 98-05 (G. Roullet) free surface |
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243 | !! ! 99-11 (M. Imbard) NetCDF FORMAT with ioipsl |
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244 | !! 8.5 ! 03-06 (J.M. Molines) F90: Free form, mpp support |
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245 | !!---------------------------------------------------------------------- |
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246 | |
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247 | |
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248 | !!---------------------------------------------------------------------- |
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249 | USE lib_mpp |
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250 | !! * Local declarations |
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251 | INTEGER :: ino0, it0, ipcg0, isor0, itke0 |
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252 | INTEGER :: ino1, it1, isor1, ipcg1, itke1, idast1 |
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253 | INTEGER :: iice1, ibulk1 |
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254 | INTEGER :: ipi,ipj,ipk, ipni,ipnj,ipnij,iarea |
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255 | INTEGER :: irecl8, irec |
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256 | INTEGER :: ji,jj,jk |
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257 | INTEGER :: ick, inum |
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258 | INTEGER :: ios1, ios2, ios3, ios4 |
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259 | |
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260 | CHARACTER(LEN=80) :: clres |
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261 | |
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262 | LOGICAL :: lstop |
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263 | |
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264 | REAL(wp), DIMENSION( 1) :: zfice, zfblk ! used only in case of ice & bulk |
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265 | |
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266 | !!---------------------------------------------------------------------- |
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267 | !! OPA 8.5, LODYC-IPSL (2002) |
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268 | !!---------------------------------------------------------------------- |
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269 | |
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270 | |
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271 | ! 0. Initialisations |
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272 | ! ------------------ |
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273 | |
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274 | inum = 11 |
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275 | ino0 = no |
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276 | it0 = nit000 |
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277 | ipcg0 = 0 |
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278 | isor0 = 0 |
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279 | itke0 = 0 |
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280 | isor0 = nsolv-1 |
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281 | ipcg0 = 2-nsolv |
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282 | IF (lk_zdftke ) itke0 = 1 |
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283 | ! FETI method |
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284 | IF( nsolv == 3 ) THEN |
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285 | isor0=2 |
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286 | ipcg0=2 |
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287 | ENDIF |
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288 | |
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289 | IF(lwp) THEN |
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290 | WRITE(numout,*) |
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291 | WRITE(numout,*) ' *** rst_read: beginning of restart' |
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292 | WRITE(numout,*) ' ' |
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293 | WRITE(numout,*) ' the present run :' |
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294 | WRITE(numout,*) ' job number : ', no |
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295 | WRITE(numout,*) ' with nit000 : ', nit000 |
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296 | WRITE(numout,*) ' with pcg option ipcg0 : ', ipcg0 |
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297 | WRITE(numout,*) ' with sor option isor0 : ', isor0 |
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298 | WRITE(numout,*) ' with FETI solver option ipcg0 & isor0 : ', ipcg0,' & ',isor0 |
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299 | WRITE(numout,*) ' with tke option itke0 : ', itke0 |
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300 | WRITE(numout,*) ' with nfice : ', nfice |
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301 | WRITE(numout,*) ' with nfbulk : ', nfbulk |
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302 | ENDIF |
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303 | |
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304 | ! Open direct access file, with reclength for 2D wp fields |
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305 | WRITE(clres,'(a,i3.3)') 'restart.',narea |
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306 | |
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307 | OPEN(inum,FILE=clres,FORM='UNFORMATTED', ACCESS='DIRECT', RECL=8 ) |
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308 | READ(inum,REC=1)irecl8 |
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309 | CLOSE(inum) |
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310 | |
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311 | OPEN(inum,FILE=clres,FORM='UNFORMATTED', ACCESS='DIRECT', RECL=irecl8 ) |
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312 | |
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313 | ! 1. Read inum |
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314 | ! -------------- |
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315 | |
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316 | |
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317 | READ(inum,REC=1) irecl8, ino1, it1, isor1, ipcg1, itke1, & |
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318 | & iice1, ibulk1, ios1, ios2, ios3, ios4, & |
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319 | & idast1, adatrj0, ipi,ipj,ipk,ipni,ipnj,ipnij,iarea |
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320 | |
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321 | ! Performs checks on the file |
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322 | |
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323 | ! processor layout changed ? check only on lwp |
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324 | lstop =.FALSE. |
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325 | IF ( ipni /= jpni ) THEN |
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326 | lstop=.TRUE. |
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327 | IF (lwp) WRITE(numout,*) ' E R R O R : Processor splitting change along I ' |
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328 | IF (lwp) WRITE(numout,*) ' ==========' |
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329 | END IF |
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330 | |
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331 | IF ( ipnj /= jpnj ) THEN |
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332 | lstop=.TRUE. |
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333 | IF (lwp) WRITE(numout,*) ' E R R O R : Processor splitting change along J ' |
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334 | IF (lwp) WRITE(numout,*) ' ==========' |
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335 | END IF |
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336 | |
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337 | IF ( ipnij /= jpnij ) THEN |
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338 | lstop=.TRUE. |
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339 | IF (lwp) WRITE(numout,*) ' E R R O R : Total number of processors changed ' |
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340 | IF (lwp) WRITE(numout,*) ' ==========' |
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341 | END IF |
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342 | |
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343 | ick = narea -iarea |
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344 | CALL mpp_sum( ick ) |
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345 | |
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346 | IF (ick /= 0 ) THEN |
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347 | lstop=.TRUE. |
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348 | IF (lwp) WRITE(numout,*) ' E R R O R : mismatch in area numbering ...' |
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349 | IF (lwp) WRITE(numout,*) ' ==========' |
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350 | END IF |
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351 | |
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352 | IF(lwp) THEN |
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353 | WRITE(numout,*) |
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354 | WRITE(numout,*) ' READ inum with ' |
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355 | WRITE(numout,*) ' job number : ', ino1 |
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356 | WRITE(numout,*) ' with time step it : ', it1 |
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357 | WRITE(numout,*) ' with pcg option ipcg1 : ', ipcg1 |
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358 | WRITE(numout,*) ' with sor option isor1 : ', isor1 |
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359 | WRITE(numout,*) ' with tke option itke1 : ', itke1 |
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360 | WRITE(numout,*) ' with FETI solver option ipcg1 + isor1 : ', ipcg1 + isor1 |
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361 | WRITE(numout,*) |
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362 | ENDIF |
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363 | |
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364 | ! Control of date |
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365 | |
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366 | IF( (it0-it1) /= 1 .AND. nrstdt /= 0 ) THEN |
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367 | lstop=.TRUE. |
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368 | IF(lwp) THEN |
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369 | WRITE(numout,*) ' ===>>>> : problem with nit000 for the restart' |
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370 | WRITE(numout,*) ' ======= =======' |
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371 | WRITE(numout,*) ' we stop. verify the file' |
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372 | WRITE(numout,*) ' or rerun with the value 0 for the' |
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373 | WRITE(numout,*) ' control of time parameter nrstdt' |
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374 | WRITE(numout,*) |
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375 | ENDIF |
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376 | ENDIF |
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377 | |
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378 | IF ( nrstdt /= 2 ) THEN ! Compatibility with OPA8 |
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379 | ! the beginning of the new run is ndate0 read in the namelist |
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380 | ! adatrj0 is recalculated assuming constant time step. |
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381 | |
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382 | adatrj0 = ( FLOAT( nit000-1 ) * rdttra(1) ) / rday |
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383 | ELSE ! restart option nrstdt = 2 |
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384 | ! both adatrj0 and ndastp are read in the restart file. |
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385 | ndastp = idast1 |
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386 | ENDIF |
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387 | |
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388 | IF (lstop ) STOP 'rst_read' |
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389 | |
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390 | irec=2 |
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391 | |
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392 | ! 'before' fields |
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393 | |
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394 | DO jk = 1, jpk |
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395 | READ(inum,REC=irec) ub(:,:,jk) |
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396 | irec = irec +1 |
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397 | END DO |
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398 | |
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399 | DO jk = 1, jpk |
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400 | READ(inum,REC=irec) vb(:,:,jk) |
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401 | irec = irec +1 |
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402 | END DO |
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403 | |
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404 | DO jk = 1, jpk |
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405 | READ(inum,REC=irec) tb(:,:,jk) |
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406 | irec = irec +1 |
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407 | END DO |
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408 | |
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409 | DO jk = 1, jpk |
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410 | READ(inum,REC=irec) sb(:,:,jk) |
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411 | irec = irec +1 |
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412 | END DO |
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413 | |
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414 | DO jk = 1, jpk |
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415 | READ(inum,REC=irec) rotb(:,:,jk) |
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416 | irec = irec +1 |
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417 | END DO |
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418 | |
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419 | DO jk = 1, jpk |
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420 | READ(inum,REC=irec) hdivb(:,:,jk) |
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421 | irec = irec +1 |
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422 | END DO |
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423 | |
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424 | ! 'now' fields |
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425 | |
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426 | DO jk = 1, jpk |
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427 | READ(inum,REC=irec) un(:,:,jk) |
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428 | irec = irec +1 |
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429 | END DO |
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430 | |
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431 | DO jk = 1, jpk |
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432 | READ(inum,REC=irec) vn(:,:,jk) |
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433 | irec = irec +1 |
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434 | END DO |
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435 | |
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436 | DO jk = 1, jpk |
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437 | READ(inum,REC=irec) tn(:,:,jk) |
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438 | irec = irec +1 |
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439 | END DO |
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440 | |
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441 | DO jk = 1, jpk |
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442 | READ(inum,REC=irec) sn(:,:,jk) |
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443 | irec = irec +1 |
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444 | END DO |
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445 | |
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446 | DO jk = 1, jpk |
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447 | READ(inum,REC=irec) rotn(:,:,jk) |
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448 | irec = irec +1 |
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449 | END DO |
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450 | |
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451 | DO jk = 1, jpk |
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452 | READ(inum,REC=irec) hdivn(:,:,jk) |
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453 | irec = irec +1 |
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454 | END DO |
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455 | |
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456 | ! elliptic solver arrays |
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457 | READ(inum,REC=irec ) gcx(:,:) |
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458 | irec = irec +1 |
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459 | |
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460 | READ(inum,REC=irec ) gcxb(:,:) |
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461 | irec = irec +1 |
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462 | |
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463 | #if defined key_dynspg_fsc |
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464 | |
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465 | ! free surface formulation (eta) |
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466 | |
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467 | READ(inum,REC=irec ) sshb(:,:) |
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468 | irec = irec +1 |
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469 | |
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470 | READ(inum,REC=irec ) sshn(:,:) |
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471 | irec = irec +1 |
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472 | #else |
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473 | |
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474 | ! Rigid-lid formulation (bsf) |
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475 | |
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476 | READ(inum,REC=irec ) bsfb(:,:) |
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477 | irec = irec +1 |
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478 | |
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479 | READ(inum,REC=irec ) bsfn(:,:) |
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480 | irec = irec +1 |
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481 | |
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482 | READ(inum,REC=irec ) bsfd(:,:) |
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483 | irec = irec +1 |
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484 | |
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485 | #endif |
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486 | |
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487 | ! TKE arrays |
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488 | |
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489 | #if defined key_zdftke |
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490 | IF ( itke1 == 1 ) THEN |
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491 | DO jk = 1, jpk |
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492 | READ(inum,REC=irec) en(:,:,jk) |
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493 | irec = irec +1 |
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494 | END DO |
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495 | ELSE |
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496 | IF(lwp) THEN |
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497 | WRITE(numout,*) ' ===>>>> : the previous restart file didnot used tke scheme' |
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498 | WRITE(numout,*) ' ======= =======' |
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499 | ENDIF |
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500 | nrstdt = 2 |
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501 | ENDIF |
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502 | #endif |
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503 | #if defined key_ice_lim |
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504 | ! Louvain La Neuve Sea Ice Model |
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505 | ! check if it was in the previous run |
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506 | IF ( ios1 == 1 ) THEN |
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507 | READ(inum,REC=irec) zfice(:) ; irec = irec + 1 |
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508 | READ(inum,REC=irec) sst_io(:,:) ; irec = irec + 1 |
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509 | READ(inum,REC=irec) sss_io(:,:) ; irec = irec + 1 |
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510 | READ(inum,REC=irec) u_io (:,:) ; irec = irec + 1 |
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511 | READ(inum,REC=irec) v_io (:,:) ; irec = irec + 1 |
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512 | # if defined key_coupled |
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513 | READ(inum,REC=irec) alb_ice(:,:) ; irec = irec + 1 |
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514 | # endif |
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515 | ENDIF |
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516 | IF ( zfice(1) /= FLOAT(nfice) .OR. ios1 == 0 ) THEN |
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517 | IF(lwp) WRITE(numout,*) |
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518 | IF(lwp) WRITE(numout,*) 'rst_read : LLN sea Ice Model => Ice initialization' |
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519 | IF(lwp) WRITE(numout,*) |
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520 | sst_io(:,:) = sst_io(:,:) + ( nfice-1 )*( tn(:,:,1) + rt0 ) |
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521 | sss_io(:,:) = sss_io(:,:) + ( nfice-1 )* sn(:,:,1) |
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522 | DO jj = 2, jpj |
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523 | DO ji = 2, jpi |
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524 | u_io(ji,jj) = u_io(ji,jj) + (nfice-1)*0.5*( un(ji-1,jj,1)+un(ji-1,jj-1,1) ) |
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525 | v_io(ji,jj) = v_io(ji,jj) + (nfice-1)*0.5*( vn(ji,jj-1,1)+vn(ji-1,jj-1,1) ) |
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526 | END DO |
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527 | END DO |
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528 | # if defined key_coupled |
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529 | alb_ice(:,:) = 0.8 * tmask(:,:,1) |
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530 | # endif |
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531 | ENDIF |
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532 | |
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533 | #endif |
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534 | # if defined key_flx_bulk_monthly || defined key_flx_bulk_daily |
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535 | ! bulk forcing |
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536 | IF( ios2 == 1 ) THEN |
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537 | READ(inum,REC=irec) zfblk(:) ; irec = irec + 1 |
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538 | READ(inum,REC=irec) gsst (:,:) ; irec = irec + 1 |
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539 | ENDIF |
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540 | IF( zfblk(1) /= FLOAT(nfbulk) .OR. ios2 == 0 ) THEN |
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541 | IF(lwp) WRITE(numout,*) |
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542 | IF(lwp) WRITE(numout,*) 'rst_read : Bulk forcing ==> Initialization ' |
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543 | IF(lwp) WRITE(numout,*) |
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544 | gsst(:,:) = 0.e0 |
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545 | gsst(:,:) = gsst(:,:) + ( nfbulk-1 )*( tn(:,:,1) + rt0 ) |
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546 | ENDIF |
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547 | # endif |
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548 | CLOSE(inum) |
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549 | ! In case of restart with neuler = 0 then put all before fields = to now fields |
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550 | IF ( neuler == 0 ) THEN |
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551 | tb(:,:,:)=tn(:,:,:) |
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552 | sb(:,:,:)=sn(:,:,:) |
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553 | ub(:,:,:)=un(:,:,:) |
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554 | vb(:,:,:)=vn(:,:,:) |
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555 | rotb(:,:,:)=rotn(:,:,:) |
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556 | hdivb(:,:,:)=hdivn(:,:,:) |
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557 | #if defined key_dynspg_fsc |
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558 | ! free surface formulation (eta) |
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559 | sshb(:,:)=sshn(:,:) |
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560 | #else |
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561 | ! rigid lid |
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562 | bsfb(:,:)=bsfn(:,:) |
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563 | #endif |
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564 | ENDIF |
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565 | |
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566 | |
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567 | END SUBROUTINE rst_read |
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