1 | MODULE cpl |
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2 | !!====================================================================== |
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3 | !! *** MODULE cpl *** |
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4 | !! Coupled O/A : coupled ocean-atmosphere case using OASIS |
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5 | !!===================================================================== |
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6 | #if defined key_coupled |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_coupled' coupled Ocean/Atmosphere |
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9 | !!---------------------------------------------------------------------- |
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10 | !! cpl_init : initialization of coupled mode communication |
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11 | !! cpl_read : read the coupled namelist |
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12 | !! cpl_stp : exchange fields in coupled mode |
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13 | !!---------------------------------------------------------------------- |
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14 | !! * Modules used |
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15 | USE oce ! ocean dynamics and tracers |
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16 | USE dom_oce ! ocean space and time domain |
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17 | USE in_out_manager ! I/O manager |
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18 | USE cpl_oce ! coupled exchange variables (???) |
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19 | USE flx_oce ! in case of ice |
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20 | USE ocfzpt ! ocean freezing point |
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21 | USE daymod ! calendar |
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22 | |
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23 | IMPLICIT NONE |
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24 | PRIVATE |
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25 | |
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26 | !! Routine accessibility |
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27 | PUBLIC cpl_init ! routine called in opa module |
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28 | PUBLIC cpl_stp ! routine called in step module |
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29 | !!---------------------------------------------------------------------- |
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30 | !! OPA 9.0 , LODYC-IPSL (2003) |
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31 | !!---------------------------------------------------------------------- |
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32 | |
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33 | CONTAINS |
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34 | |
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35 | SUBROUTINE cpl_init( kastp, kexch, kstep ) |
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36 | !!--------------------------------------------------------------------- |
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37 | !! *** ROUTINE cpl_init *** |
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38 | !! |
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39 | !! ** Purpose : Initialize coupled mode communication for ocean |
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40 | !! exchange process identifiers and timestep information |
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41 | !! between AGCM, OGCM and COUPLER. (OASIS software) |
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42 | !! |
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43 | !! ** Method : 3 types : |
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44 | !! a) Use named pipes(FIFO) to exchange process identifiers |
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45 | !! between the 3 programs |
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46 | !! b) USE a messag passing method with PVM language (CLIM) |
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47 | !! c) USE SVIPC method |
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48 | !! |
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49 | !! ** Input : npiat : agcm process identifier |
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50 | !! npicp : coupler process identifier |
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51 | !! npioc : ogcm process identifier |
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52 | !! |
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53 | !! Reference : see Epicoa 0803 (1992) |
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54 | !! |
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55 | !! History : |
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56 | !! ! 92-09 (L. Terray) Original code |
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57 | !! ! 96-07 (L. Terray) OASIS version 2 |
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58 | !! ! 96-11 (E. Guilyardi) run-off + Taux,Tauy x2 |
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59 | !! ! 98-04 (M.A Foujols, S. Valcke, M. Imbard) OASIS2.2 |
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60 | !! 8.5 ! 02-09 (G. Madec) F90: Free form and module |
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61 | !!---------------------------------------------------------------------- |
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62 | !! * Arguments |
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63 | INTEGER, INTENT(in ) :: & |
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64 | kastp, & ! total number of timesteps in oceanic model |
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65 | kexch, & ! frequency of exchange for the fluxes (in time steps) |
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66 | kstep ! timestep value (in seconds) |
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67 | |
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68 | !! * Local declarations |
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69 | INTEGER,DIMENSION(3) :: iparal |
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70 | INTEGER :: ifcpl, idt, info, imxtag, istep |
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71 | |
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72 | CHARACTER (len=9) :: clpoolnam |
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73 | INTEGER :: ipoolhandle, ipoolsize, jf |
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74 | CHARACTER (len=3) :: cljobnam ! experiment name |
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75 | INTEGER :: ierror |
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76 | ! INTEGER,DIMENSION(4) :: imess |
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77 | INTEGER,DIMENSION(4) :: imesso |
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78 | !!---------------------------------------------------------------------- |
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79 | |
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80 | IF(lwp) WRITE(numout,*) |
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81 | IF(lwp) WRITE(numout,*) 'cpl_init : initialization in coupled ocean/atmosphere case' |
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82 | IF(lwp) WRITE(numout,*) '~~~~~~~~' |
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83 | IF(lwp) WRITE(numout,*) |
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84 | |
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85 | #if defined key_flx_bulk_monthly || defined key_flx_bulk_daily || defined key_flx_forced_daily |
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86 | IF(lwp)WRITE(numout,cform_err) |
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87 | IF(lwp)WRITE(numout,*) ' key_coupled and key_flx_bulk_... are incompatible' |
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88 | nstop = nstop + 1 |
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89 | #endif |
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90 | |
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91 | IF(lwp)WRITE(numout,*)' coupled simulation' |
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92 | IF(lwp)WRITE(numout,*)' unit ',numlhf,' receive atm fluxes' |
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93 | IF(lwp)WRITE(numout,*)' unit ',numlws,' receive windstress' |
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94 | IF(lwp)WRITE(numout,*)' unit ',numlts,' transfer sst' |
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95 | IF(lwp)WRITE(numout,*)' unit ',numlic,' transfer ice cover' |
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96 | |
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97 | |
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98 | CALL cpl_read ! read the coupled mode information in namelist |
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99 | |
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100 | CALL flush(numout) |
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101 | |
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102 | ! I- PIPE |
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103 | ! -------- |
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104 | ! W A R N I N G : PIPE technique is temporary diseable (nov. 2000) |
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105 | |
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106 | IF( cchan == 'PIPE' ) THEN |
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107 | |
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108 | IF(lwp) WRITE(numout,*) |
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109 | IF(lwp) WRITE(numout,*) 'Making pipes for fields to receive from CPL' |
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110 | IF(lwp) WRITE(numout,*) |
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111 | CALL flush(numout) |
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112 | ierror = 0 |
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113 | |
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114 | ! loop to define pipes (CPL=atmos to ocean) |
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115 | |
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116 | DO jf = 1, nflxc2o |
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117 | ! CALL PIPE_Model_Define( numout, cpl_readflx(jf), jpread, info ) |
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118 | IF( info /= 0 ) ierror = ierror + 1 |
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119 | END DO |
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120 | DO jf = 1, ntauc2o |
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121 | ! CALL PIPE_Model_Define( numout, cpl_readtau(jf), jpread, info ) |
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122 | IF( info /= 0 ) ierror = ierror + 1 |
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123 | END DO |
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124 | |
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125 | IF(lwp) WRITE(numout,*) ' ' |
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126 | IF(lwp) WRITE(numout,*) 'Making pipes for fields to send to CPL' |
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127 | IF(lwp) WRITE(numout,*) ' ' |
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128 | |
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129 | ! loop to define pipes (ocean to atmos=CPL) |
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130 | |
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131 | DO jf = 1, nfldo2c |
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132 | ! CALL PIPE_Model_Define( numout, cpl_writ(jf), jpwrit, info ) |
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133 | IF( info /= 0 ) ierror = ierror + 1 |
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134 | END DO |
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135 | |
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136 | IF( ierror /= 0 ) THEN |
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137 | IF(lwp) WRITE(numout,*) |
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138 | IF(lwp) WRITE(numout,*) 'cpl_init: end of job due to error in pipes definitions' |
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139 | CALL abort('') |
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140 | END IF |
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141 | |
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142 | IF(lwp) WRITE(numout,*) |
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143 | IF(lwp) WRITE(numout,*) 'All pipes have been made' |
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144 | |
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145 | IF(lwp) WRITE(numout,*) |
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146 | IF(lwp) WRITE(numout,*) 'Communication test between OCE and CPL' |
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147 | CALL flush(numout) |
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148 | |
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149 | ! CALL PIPE_Model_Stepi(numout, imess, nmodcpl, imesso, ierror) |
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150 | |
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151 | IF( ierror /= 0 ) THEN |
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152 | IF(lwp) WRITE(numout,*) |
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153 | IF(lwp) WRITE(numout,*) 'cpl_init: end of job due to error in exchange first informations with Oasis' |
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154 | CALL abort('') |
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155 | END IF |
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156 | |
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157 | IF(lwp) WRITE(numout,*) |
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158 | IF(lwp) WRITE(numout,*) 'Communication test between OCE and CPL is OK' |
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159 | IF(lwp) WRITE(numout,*) ' total simulation time in oasis = ',imesso(1) |
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160 | IF(lwp) WRITE(numout,*) ' total number of iterations is = ',imesso(2) |
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161 | IF(lwp) WRITE(numout,*) ' value of oasis timestep is = ',imesso(3) |
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162 | IF(lwp) WRITE(numout,*) ' process id for oasis is = ',imesso(4) |
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163 | CALL flush(numout) |
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164 | |
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165 | ! II SVIPC |
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166 | ! --------- |
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167 | ! W A R N I N G : SVIPC technique is temporary diseable (nov. 2000) |
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168 | |
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169 | |
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170 | ELSE IF( cchan == 'SIPC' ) THEN |
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171 | |
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172 | ! debug for more information |
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173 | |
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174 | ! CALL SVIPC_debug(1) |
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175 | |
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176 | ! Define the experiment name : |
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177 | |
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178 | cljobnam = 'IPC' ! as $JOBNAM in namcouple |
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179 | |
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180 | ! Attach to shared memory pool used to exchange initial infos |
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181 | |
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182 | info = 0 |
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183 | ! CALL SIPC_Init_Model (cljobnam, cplmodnam, 1, info) |
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184 | IF( info /= 0 ) THEN |
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185 | IF(lwp) WRITE(numout,*) |
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186 | IF(lwp) WRITE(numout,*)'WARNING: Problem with attachement to',info |
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187 | IF(lwp) WRITE(numout,*)' initial memory pool(s) in ocean' |
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188 | IF(lwp) WRITE(numout,*) |
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189 | CALL abort('STOP in ocean') |
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190 | ENDIF |
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191 | |
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192 | ! Attach to pools used to exchange fields from ocean to coupler |
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193 | |
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194 | DO jf = 1, nfldo2c |
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195 | ! Pool name: |
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196 | clpoolnam = 'P'//cpl_writ(jf) |
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197 | ! CALL SIPC_Attach(clpoolnam, ipoolhandle) |
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198 | ! Resulting pool handle: |
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199 | mpoolwrit(jf) = ipoolhandle |
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200 | END DO |
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201 | |
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202 | ! Attach to pools used to exchange fields from coupler to ocean |
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203 | |
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204 | DO jf = 1, nflxc2o |
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205 | ! Pool name: |
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206 | clpoolnam = 'P'//cpl_readflx(jf) |
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207 | ! CALL SIPC_Attach(clpoolnam, ipoolhandle) |
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208 | ! Resulting pool handle: |
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209 | mpoolread(jf) = ipoolhandle |
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210 | END DO |
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211 | |
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212 | DO jf = 1, ntauc2o |
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213 | ! Pool name: |
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214 | clpoolnam = 'P'//cpl_readtau(jf) |
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215 | ! CALL SIPC_Attach(clpoolnam, ipoolhandle) |
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216 | ! Resulting pool handle: |
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217 | mpoolread(jf+nflxc2o) = ipoolhandle |
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218 | END DO |
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219 | |
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220 | ! Exchange of initial infos |
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221 | |
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222 | ! Write data array isend to pool READ by Oasis |
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223 | |
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224 | info = 0 |
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225 | ipoolsize = 4*jpbyteint |
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226 | ! CALL SVIPC_write(mpoolinitr, imess, ipoolsize, info) |
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227 | |
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228 | ! Find error if any |
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229 | |
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230 | IF( info < 0 ) THEN |
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231 | IF(lwp) WRITE(numout,*) |
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232 | IF(lwp) WRITE(numout,*) 'Problem in ocean in writing initial' |
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233 | IF(lwp) WRITE(numout,*) 'infos to the shared memory segment(s)' |
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234 | IF(lwp) WRITE(numout,*) |
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235 | ELSE |
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236 | IF(lwp) WRITE(numout,*) |
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237 | IF(lwp) WRITE(numout,*) 'Initial infos written in ocean' |
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238 | IF(lwp) WRITE(numout,*) 'to the shared memory segment(s)' |
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239 | IF(lwp) WRITE(numout,*) |
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240 | ENDIF |
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241 | |
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242 | ! Read data array irecv from pool written by Oasis |
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243 | |
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244 | info = 0 |
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245 | ipoolsize = 4 * jpbyteint |
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246 | CALL svipc_read(mpoolinitw, imesso, ipoolsize, info) |
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247 | |
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248 | ! Find error if any |
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249 | |
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250 | IF( info < 0 ) THEN |
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251 | IF(lwp) WRITE(numout,*) ' ' |
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252 | IF(lwp) WRITE(numout,*) 'Problem in ocean in reading initial' |
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253 | IF(lwp) WRITE(numout,*) 'infos from the shared memory segment(s)' |
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254 | IF(lwp) WRITE(numout,*) ' ' |
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255 | ELSE |
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256 | IF(lwp) WRITE(numout,*) ' ' |
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257 | IF(lwp) WRITE(numout,*) 'Initial infos read by ocean' |
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258 | IF(lwp) WRITE(numout,*) 'from the shared memory segment(s)' |
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259 | IF(lwp) WRITE(numout,*) ' ' |
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260 | IF(lwp) WRITE(numout,*) ' ntime, niter, nstep, Oasis pid:' |
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261 | IF(lwp) WRITE(numout,*) imesso(1), imesso(2), imesso(3), imesso(4) |
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262 | ENDIF |
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263 | |
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264 | ! Detach from shared memory segment(s) |
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265 | |
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266 | info = 0 |
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267 | ! CALL SVIPC_close(mpoolinitw, 0, info) |
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268 | |
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269 | ! Find error if any |
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270 | |
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271 | IF( info < 0 ) THEN |
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272 | IF(lwp) WRITE(numout,*) 'Problem in detaching from shared memory segment(s)' |
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273 | IF(lwp) WRITE(numout,*) 'used by ocean to read initial infos' |
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274 | ENDIF |
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275 | |
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276 | ! III CLIM |
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277 | ! -------- |
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278 | |
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279 | ELSE IF( cchan == 'CLIM' ) THEN |
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280 | |
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281 | ! Define the number of processors involved in the coupling for |
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282 | ! Oasis (=1) and each model (as last two INTEGER on $CHATYPE line |
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283 | ! in the namcouple); they will be stored in a COMMON in mpiclim.h |
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284 | ! (used for CLIM/MPI2 only) |
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285 | mpi_nproc(0)=1 |
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286 | mpi_nproc(1)=1 |
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287 | mpi_nproc(2)=1 |
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288 | |
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289 | ! Define the number of processors used by each model as in |
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290 | ! $CHATYPE line of namcouple (used for CLIM/MPI2 only) |
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291 | mpi_totproc(1)=1 |
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292 | mpi_totproc(2)=1 |
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293 | |
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294 | ! Define names of each model as in $NBMODEL line of namcouple |
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295 | ! (used for CLIM/MPI2 only) |
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296 | cmpi_modnam(1)='lmdz.x' |
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297 | cmpi_modnam(2)=cplmodnam |
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298 | ! |
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299 | ! 1.1-Define the experiment name : |
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300 | |
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301 | cljobnam = 'CLI' ! as $JOBNAM in namcouple |
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302 | |
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303 | OPEN ( UNIT = 7, FILE = 'trace', STATUS = 'unknown', FORM = 'formatted') |
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304 | CALL clim_init ( cljobnam, cplmodnam, 3, 7, & |
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305 | kastp, kexch, kstep, & |
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306 | 5, 3600, 3600, info ) |
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307 | |
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308 | IF( info /= clim_ok ) THEN |
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309 | IF(lwp) WRITE( numout, *) 'cpl_init : pb init clim, error code is = ', info |
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310 | CALL abort( 'STOP in cpl_init' ) |
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311 | ELSE |
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312 | IF(lwp) WRITE(numout,*) 'cpl_init : init clim ok ' |
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313 | ENDIF |
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314 | |
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315 | iparal ( clim_strategy ) = clim_serial |
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316 | iparal ( clim_length ) = jpiglo*jpjglo |
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317 | iparal ( clim_offset ) = 0 |
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318 | |
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319 | ! loop to define messages (CPL=atmos to ocean) |
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320 | DO jf = 1, nflxc2o |
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321 | CALL CLIM_Define ( cpl_readflx(jf), clim_in, clim_double, iparal, info ) |
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322 | END DO |
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323 | DO jf = 1, ntauc2o |
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324 | CALL CLIM_Define ( cpl_readtau(jf), clim_in, clim_double, iparal, info ) |
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325 | END DO |
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326 | |
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327 | ! loop to define messages (ocean to CPL=atmos) |
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328 | DO jf = 1, nfldo2c |
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329 | CALL CLIM_Define ( cpl_writ(jf), clim_out, clim_double, iparal, info ) |
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330 | END DO |
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331 | |
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332 | IF(lwp) WRITE(numout,*) 'cpl_init : clim_define ok ' |
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333 | |
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334 | CALL CLIM_Start( imxtag, info ) |
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335 | |
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336 | IF( info /= clim_ok ) THEN |
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337 | IF(lwp) WRITE(numout,*) 'cpl_init : pb start clim, error code is = ', info |
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338 | CALL abort( 'stop in cpl_init' ) |
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339 | ELSE |
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340 | IF(lwp) WRITE(numout,*) 'cpl_init : start clim ok ' |
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341 | ENDIF |
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342 | |
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343 | CALL CLIM_Stepi ( cploasis, istep, ifcpl, idt, info ) |
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344 | |
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345 | IF( info /= clim_ok ) THEN |
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346 | IF(lwp) WRITE(numout,*) ' warning : problem in getting step info from oasis ' |
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347 | IF(lwp) WRITE(numout,*) ' ======= error code number = ', info |
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348 | ELSE |
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349 | IF(lwp) WRITE(numout,*) ' got step information from oasis ' |
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350 | ENDIF |
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351 | IF(lwp) WRITE(numout,*) ' number of tstep in oasis ', istep |
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352 | IF(lwp) WRITE(numout,*) ' exchange frequency in oasis ', ifcpl |
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353 | IF(lwp) WRITE(numout,*) ' length of tstep in oasis ', idt |
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354 | ENDIF |
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355 | |
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356 | END SUBROUTINE cpl_init |
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357 | |
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358 | |
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359 | SUBROUTINE cpl_read |
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360 | !!--------------------------------------------------------------------- |
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361 | !! *** ROUTINE cpl_read *** |
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362 | !! |
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363 | !! ** Purpose : Read and print options for the coupled run (namelist) |
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364 | !! |
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365 | !! ** Method : ??? |
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366 | !! |
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367 | !! History : |
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368 | !! 8.5 ! 02-12 (G. Madec) F90: Free form and module |
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369 | !!---------------------------------------------------------------------- |
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370 | !! * Local declarations |
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371 | INTEGER :: jf |
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372 | |
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373 | NAMELIST/namcpl/ nexco, cchan, nmodcpl, cplmodnam, cploasis & |
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374 | , nfldo2c, nflxc2o, ntauc2o, cpl_f_readflx, cpl_f_readtau & |
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375 | , cpl_f_writ, cpl_readflx, cpl_readtau, cpl_writ |
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376 | !!---------------------------------------------------------------------- |
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377 | |
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378 | IF(lwp) WRITE(numout,*) |
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379 | IF(lwp) WRITE(numout,*) ' cpl_read : read the coupled parameters in namelist' |
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380 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~' |
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381 | IF(lwp) WRITE(numout,*) |
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382 | |
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383 | ! Default values |
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384 | |
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385 | nexco = 24 |
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386 | cchan='PIPE' ! echange TYPE |
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387 | nmodcpl = 2 |
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388 | cplmodnam = 'opa.xx' ! model name : as $NBMODEL in namcouple |
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389 | cploasis = 'Oasis' ! coupler name : as in coupler |
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390 | |
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391 | ! -Define symbolic name for fields exchanged from ocean to coupler, |
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392 | ! must be the same as (1) of the field definition in namcouple: |
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393 | nfldo2c=2 |
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394 | cpl_writ(1)='SOSSTSST' |
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395 | cpl_writ(2)='SOICECOV' |
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396 | |
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397 | ! -Define files name for fields exchanged from ocean to coupler, |
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398 | ! must be the same as (6) of the field definition in namcouple: |
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399 | nflxc2o=6 |
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400 | cpl_readflx(1)='SONSFLDO' ! non solar heat flux (positif vers l'ocean) |
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401 | cpl_readflx(2)='SOSHFLDO' ! solar flux |
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402 | cpl_readflx(3)='SOTOPRSU' ! precip |
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403 | cpl_readflx(4)='SOTFSHSU' ! evaporation |
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404 | cpl_readflx(5)='SORUNCOA' ! coastal run-off |
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405 | cpl_readflx(6)='SORIVFLU' ! river run-off |
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406 | ntauc2o=2 |
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407 | cpl_readtau(1)='SOZOTAUX' ! first zonal wind stress |
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408 | cpl_readtau(2)='SOZOTAU2' ! second zonal wind stress |
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409 | cpl_readtau(3)='SOMETAUY' ! first meridien wind stress |
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410 | cpl_readtau(4)='SOMETAU2' ! second meridien wind stress |
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411 | |
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412 | ! -Define files name for fields exchanged from ocean to coupler, |
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413 | ! must be the same as (6) of the field definition in namcouple: |
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414 | cpl_f_writ(1)='ocesst' |
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415 | cpl_f_writ(2)='oceice' |
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416 | |
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417 | ! -Define files name for fields exchanged from coupler to ocean |
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418 | ! must be the same as (7) of the field definition in namcouple: |
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419 | cpl_f_readflx(1)='oceflx' |
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420 | cpl_f_readflx(2)='oceflx' |
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421 | cpl_f_readflx(3)='oceflx' |
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422 | cpl_f_readflx(4)='oceflx' |
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423 | cpl_f_readflx(5)='oceflx' |
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424 | cpl_f_readflx(6)='oceflx' |
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425 | cpl_f_readtau(1)='ocetau' |
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426 | cpl_f_readtau(2)='ocetau' |
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427 | cpl_f_readtau(3)='ocetau' |
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428 | cpl_f_readtau(4)='ocetau' |
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429 | |
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430 | ! Namelist namcpl : coupling mode and frequency |
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431 | REWIND( numnam ) |
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432 | READ ( numnam, namcpl ) |
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433 | |
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434 | IF(lwp) THEN |
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435 | WRITE(numout,*) 'namcpl' |
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436 | WRITE(numout,*) |
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437 | WRITE(numout,*) ' Coupling exchange frequency nexco = ',nexco |
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438 | WRITE(numout,*) ' Coupling exchange technique cchan = ',cchan |
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439 | WRITE(numout,*) ' Mode Coupling technique nmodcpl = ',nmodcpl |
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440 | WRITE(numout,*) ' Define the model name cplmodnam = ',cplmodnam |
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441 | WRITE(numout,*) ' Define the coupler name cploasis = ',cploasis |
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442 | WRITE(numout,*) ' Fields number ocean to coupler nfldo2c= ',nfldo2c |
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443 | WRITE(numout,*) ' Flux fields coupler to ocean nflxc2o = ',nflxc2o |
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444 | WRITE(numout,*) ' Stress fields coupler to ocean ntauc2o= ',ntauc2o |
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445 | IF ( cchan == 'PIPE' .OR. cchan == 'pipe' ) THEN |
---|
446 | cchan='PIPE' |
---|
447 | WRITE(numout,*)'(communication between models made by pipes)' |
---|
448 | ELSEIF( cchan == 'CLIM' .OR. cchan == 'clim' ) THEN |
---|
449 | cchan='CLIM' |
---|
450 | WRITE(numout,*)'(communication between models made by CLIM-PVM)' |
---|
451 | ELSEIF( cchan == 'SIPC' .OR. cchan == 'sipc' ) THEN |
---|
452 | cchan='SIPC' |
---|
453 | WRITE(numout,*)'(communication between models made by the', & |
---|
454 | 'Share Memory Segment and Semaphore)' |
---|
455 | ELSE |
---|
456 | WRITE(numout,*) 'technic not yet implemented ',cchan |
---|
457 | STOP 'in cpl_read' |
---|
458 | ENDIF |
---|
459 | DO jf = 1, nflxc2o |
---|
460 | WRITE(numout,*) 'file to receive field number = ',jf,' ',cpl_f_readflx(jf) |
---|
461 | END DO |
---|
462 | DO jf = 1, ntauc2o |
---|
463 | WRITE(numout,*) 'file to receive field number = ',jf,' ',cpl_f_readtau(jf) |
---|
464 | END DO |
---|
465 | DO jf = 1, nfldo2c |
---|
466 | WRITE(numout,*) 'file to send field number = ',jf,' ',cpl_f_writ(jf) |
---|
467 | END DO |
---|
468 | WRITE(numout,*) ' fields received from coupler' |
---|
469 | DO jf = 1, nflxc2o |
---|
470 | WRITE(numout,*) 'symbolic name for field number = ',jf,' ',cpl_readflx(jf) |
---|
471 | END DO |
---|
472 | DO jf = 1, ntauc2o |
---|
473 | WRITE(numout,*) 'symbolic name for field number = ',jf,' ',cpl_readtau(jf) |
---|
474 | END DO |
---|
475 | WRITE(numout,*) ' fields send to coupler' |
---|
476 | DO jf = 1, nfldo2c |
---|
477 | WRITE(numout,*) 'symbolic name for field number = ',jf,' ',cpl_writ(jf) |
---|
478 | END DO |
---|
479 | ENDIF |
---|
480 | |
---|
481 | END SUBROUTINE cpl_read |
---|
482 | |
---|
483 | |
---|
484 | SUBROUTINE cpl_stp( kt ) |
---|
485 | !!--------------------------------------------------------------------- |
---|
486 | !! *** ROUTINE cpl_stp *** |
---|
487 | !! ***************** |
---|
488 | !! * OASIS routine * |
---|
489 | !! ***************** |
---|
490 | !! ** Purpose : - At each coupling time-step,this routine sends fields |
---|
491 | !! like sst or ice cover to the coupler. |
---|
492 | !! - At each time-step computes time average values |
---|
493 | !! - Specific treatment for the last time-step |
---|
494 | !! |
---|
495 | !! ** Method : 3 types available: |
---|
496 | !! a) Use named pipes(FIFO) to exchange process identifiers |
---|
497 | !! between the 3 programs |
---|
498 | !! b) USE a messag passing method with PVM language (CLIM) |
---|
499 | !! c) USE SVIPC method |
---|
500 | !! |
---|
501 | !! History : |
---|
502 | !! ! 92-09 (L. Terray) Original code |
---|
503 | !! ! 96-07 (L. Terray) OASIS version 2 |
---|
504 | !! ! 96-11 (E. Guilyardi) run-off + Taux,Tauy x2 |
---|
505 | !! ! 98-04 (M.A Foujols, S. Valcke, M. Imbard) OASIS2.2 |
---|
506 | !! 8.5 ! 02-06 (G. Madec) F90: Free form and module |
---|
507 | !!---------------------------------------------------------------------- |
---|
508 | !! * modules used |
---|
509 | USE ioipsl |
---|
510 | USE phycst ! physical constants |
---|
511 | |
---|
512 | !! * Arguments |
---|
513 | INTEGER, INTENT( in ) :: kt ! ocean time-step |
---|
514 | |
---|
515 | !! * Local declarations |
---|
516 | INTEGER :: ji, jj, jn, jf ! dummy loop indexes |
---|
517 | INTEGER :: icstep, info, ierror, isize |
---|
518 | INTEGER :: iflmax, iunmax |
---|
519 | INTEGER :: ifile(jpmaxfld), ifield(jpmaxfld) |
---|
520 | CHARACTER (len=8) :: clfile(jpmaxfld) |
---|
521 | LOGICAL :: llfind |
---|
522 | REAL(wp), DIMENSION(jpiglo,jpjglo) :: & |
---|
523 | zstoc, zieoc, zalboc, zticoc |
---|
524 | |
---|
525 | ! netcdf outputs |
---|
526 | |
---|
527 | CHARACTER (len=80) :: clcplsnam |
---|
528 | INTEGER, SAVE :: nhoridcs, nidcs, ndexcs(1) |
---|
529 | LOGICAL, SAVE :: lfirsts = .TRUE. |
---|
530 | REAL(wp) :: zjulian |
---|
531 | |
---|
532 | ! Additions for SVIPC |
---|
533 | |
---|
534 | INTEGER :: index |
---|
535 | ! INTEGER, DIMENSION(3) :: infos |
---|
536 | CHARACTER (len=3) :: clmodinf ! Header or not |
---|
537 | ! CHARACTER (len=3) :: cljobnam ! experiment name |
---|
538 | !!---------------------------------------------------------------------- |
---|
539 | |
---|
540 | ! coupled mode Ocean/Atmosphere |
---|
541 | |
---|
542 | ! 0. Initialization |
---|
543 | ! ----------------- |
---|
544 | |
---|
545 | isize = jpiglo * jpjglo |
---|
546 | |
---|
547 | ! First time step: ocean sst and ice sea-ice extend set to zero |
---|
548 | IF( kt == nit000 ) THEN |
---|
549 | sstoc(:,:) = 0.e0 |
---|
550 | sieoc(:,:) = 0.e0 |
---|
551 | alboc(:,:) = 0.e0 |
---|
552 | ticoc(:,:) = 0.e0 |
---|
553 | |
---|
554 | ! initialisation for netcdf outputs |
---|
555 | ! |
---|
556 | ndexcs(:) = 0 |
---|
557 | clcplsnam = "cpl_oce_sst" |
---|
558 | |
---|
559 | ! Compute julian date from starting date of the run |
---|
560 | CALL ymds2ju( nyear, nmonth, nday, 0.e0, zjulian ) |
---|
561 | CALL histbeg(clcplsnam, jpiglo, glamt, jpjglo, gphit, & |
---|
562 | 1, jpiglo, 1, jpjglo, 0, & |
---|
563 | zjulian, rdt, nhoridcs, nidcs) |
---|
564 | ! no vertical axis |
---|
565 | DO jf = 1, nfldo2c |
---|
566 | CALL histdef(nidcs, cpl_writ(jf),cpl_writ(jf),"-",jpi, & |
---|
567 | jpj, nhoridcs, 1, 1, 1, -99, 32, "inst", rdt, rdt) |
---|
568 | END DO |
---|
569 | CALL histend(nidcs) |
---|
570 | ENDIF |
---|
571 | |
---|
572 | ! 1. Cumulated sst and sea-ice extend |
---|
573 | !------------------------------------ |
---|
574 | |
---|
575 | sstoc(:,:) = sstoc(:,:) + ( 1.0 - freeze(:,:) ) * ( tn(:,:,1) + rt0 ) |
---|
576 | sieoc(:,:) = sieoc(:,:) + freeze(:,:) |
---|
577 | |
---|
578 | #if defined key_ice_lim |
---|
579 | alboc(:,:) = alboc(:,:) + freeze(:,:) * alb_ice(:,:) |
---|
580 | ticoc(:,:) = ticoc(:,:) + freeze(:,:) * tn_ice(:,:) |
---|
581 | #else |
---|
582 | alboc(:,:) = alboc(:,:) + freeze(:,:) * 0.8 |
---|
583 | ticoc(:,:) = ticoc(:,:) + freeze(:,:) * ( -10.e0 + rt0 ) |
---|
584 | #endif |
---|
585 | |
---|
586 | |
---|
587 | ! 2. Send coupling fields to OASIS |
---|
588 | !--------------------------------- |
---|
589 | |
---|
590 | IF( MOD( kt, nexco ) == 0 ) THEN |
---|
591 | |
---|
592 | ! 2.1 Average : mean coupling fields |
---|
593 | zstoc (:,:) = 0.e0 |
---|
594 | zieoc (:,:) = 0.e0 |
---|
595 | zalboc(:,:) = 0.e0 |
---|
596 | zticoc(:,:) = 0.e0 |
---|
597 | DO jj = 1, nlcj |
---|
598 | DO ji = 1, nlci |
---|
599 | zstoc (mig(ji),mjg(jj)) = sstoc(ji,jj) / FLOAT( nexco ) |
---|
600 | zieoc (mig(ji),mjg(jj)) = sieoc(ji,jj) / FLOAT( nexco ) |
---|
601 | zalboc(mig(ji),mjg(jj)) = alboc(ji,jj) / FLOAT( nexco ) |
---|
602 | zticoc(mig(ji),mjg(jj)) = ticoc(ji,jj) / FLOAT( nexco ) |
---|
603 | END DO |
---|
604 | END DO |
---|
605 | icstep = kt - nit000 + 1 |
---|
606 | |
---|
607 | WRITE(numout,*) |
---|
608 | WRITE(numout,*) 'STEP: Send fields to CPL with kt= ', kt |
---|
609 | WRITE(numout,*) |
---|
610 | |
---|
611 | ! outputs |
---|
612 | |
---|
613 | CALL histwrite( nidcs, cpl_writ(1), kt, zstoc , jpi*jpj, ndexcs ) |
---|
614 | CALL histwrite( nidcs, cpl_writ(2), kt, zieoc , jpi*jpj, ndexcs ) |
---|
615 | CALL histwrite( nidcs, cpl_writ(3), kt, zalboc, jpi*jpj, ndexcs ) |
---|
616 | CALL histwrite( nidcs, cpl_writ(4), kt, zticoc, jpi*jpj, ndexcs ) |
---|
617 | CALL histsync ( nidcs ) |
---|
618 | |
---|
619 | ! 2.2 Last time step (clim or pipe) or pipe mode |
---|
620 | ! |
---|
621 | IF( kt == nitend .OR. cchan == 'PIPE' ) THEN |
---|
622 | |
---|
623 | ! finalize outputs |
---|
624 | |
---|
625 | CALL histclo( nidcs ) |
---|
626 | |
---|
627 | ! WRITE fields for coupler with pipe technique or for last time step |
---|
628 | |
---|
629 | ! initialisation |
---|
630 | |
---|
631 | iflmax = 1 |
---|
632 | iunmax = 99 |
---|
633 | |
---|
634 | clfile(iflmax) = cpl_f_writ(iflmax) ! keeps first file name |
---|
635 | ifile(iflmax) = iunmax ! keeps first file unit |
---|
636 | iunmax = iunmax - 1 ! decrements file unit maximum |
---|
637 | ifield(1) = ifile(iflmax) ! keeps file unit for field |
---|
638 | |
---|
639 | ! different files names counter |
---|
640 | DO jf = 2, nfldo2c |
---|
641 | llfind = .FALSE. |
---|
642 | DO jn = 1, iflmax |
---|
643 | IF( .NOT. llfind ) THEN |
---|
644 | IF( cpl_f_writ(jf) == clfile(jn) ) THEN |
---|
645 | ifield(jf) = ifile(jn) ! keep file unit for field |
---|
646 | llfind = .TRUE. |
---|
647 | ENDIF |
---|
648 | END IF |
---|
649 | END DO |
---|
650 | IF( .NOT. llfind) THEN |
---|
651 | iflmax = iflmax + 1 ! increment the number of different files |
---|
652 | clfile(iflmax) = cpl_f_writ(jf) ! keep file name |
---|
653 | ifile (iflmax) = iunmax ! keep file unit for file |
---|
654 | ifield(jf) = ifile(iflmax) ! keep file unit for field |
---|
655 | iunmax = iunmax-1 ! decrement unit maximum number from 99 to 98... |
---|
656 | ENDIF |
---|
657 | END DO |
---|
658 | ! |
---|
659 | DO jn = 1, iflmax |
---|
660 | OPEN (ifile(jn), FILE=clfile(jn), FORM='UNFORMATTED') |
---|
661 | END DO |
---|
662 | ! |
---|
663 | DO jf = 1, nfldo2c |
---|
664 | IF( jf == 1 ) CALL locwrite(cpl_writ(jf),zstoc , isize, ifield(jf), ierror, numout) |
---|
665 | IF( jf == 2 ) CALL locwrite(cpl_writ(jf),zieoc , isize, ifield(jf), ierror, numout) |
---|
666 | IF( jf == 3 ) CALL locwrite(cpl_writ(jf),zalboc, isize, ifield(jf), ierror, numout) |
---|
667 | IF( jf == 4 ) CALL locwrite(cpl_writ(jf),zticoc, isize, ifield(jf), ierror, numout) |
---|
668 | END DO |
---|
669 | |
---|
670 | ! simulate a FLUSH |
---|
671 | |
---|
672 | DO jn = 1, iflmax |
---|
673 | CLOSE( ifile(jn) ) |
---|
674 | END DO |
---|
675 | |
---|
676 | ! Clim mode |
---|
677 | IF( cchan == 'CLIM' ) THEN ! inform PVM daemon, I have finished |
---|
678 | CALL CLIM_Quit( CLIM_ContPvm, info ) |
---|
679 | IF( info /= CLIM_Ok ) THEN |
---|
680 | WRITE (6, *) 'An error occured while leaving CLIM. Error = ',info |
---|
681 | ENDIF |
---|
682 | ENDIF |
---|
683 | |
---|
684 | ENDIF |
---|
685 | |
---|
686 | ! IF last we have finished if not pass info to the atmosphere |
---|
687 | |
---|
688 | IF ( kt /= nitend ) THEN |
---|
689 | |
---|
690 | ! 2.3 normal exchange |
---|
691 | |
---|
692 | ! PIPE mode |
---|
693 | IF( cchan == 'PIPE' ) THEN |
---|
694 | |
---|
695 | ! Send message to pipes for CPL=atmosphere |
---|
696 | |
---|
697 | ! DO jf = 1, nfldo2c |
---|
698 | ! CALL PIPE_Model_Send(cpl_writ(jf), icstep, numout) |
---|
699 | ! END DO |
---|
700 | |
---|
701 | ! SIPC mode |
---|
702 | ELSE IF( cchan == 'SIPC' ) THEN |
---|
703 | |
---|
704 | ! Define IF a header must be encapsulated within the field brick : |
---|
705 | clmodinf = 'NOT' ! as $MODINFO in namcouple |
---|
706 | |
---|
707 | ! IF clmodinf = 'YES', define encapsulated infos to be exchanged |
---|
708 | ! infos(1) = initial date |
---|
709 | ! infos(2) = timestep |
---|
710 | ! infos(3) = actual time |
---|
711 | ! |
---|
712 | ! Writing of output field SST SOSSTSST |
---|
713 | ! |
---|
714 | ! Index of SST in total number of fields jpfldo2a: |
---|
715 | index = 1 |
---|
716 | ! |
---|
717 | ! CALL SIPC_Write_Model(index, isize, clmodinf, cljobnam, infos, zstoc) |
---|
718 | ! |
---|
719 | ! Writing of output field Sea-Ice SOICECOV |
---|
720 | ! |
---|
721 | ! Index of sea-ice in total number of fields jpfldo2a: |
---|
722 | index = 2 |
---|
723 | ! |
---|
724 | ! CALL SIPC_Write_Model(index, isize, clmodinf, cljobnam, infos, zieoc) |
---|
725 | |
---|
726 | ! CLIM mode |
---|
727 | ELSE IF( cchan == 'CLIM' ) THEN |
---|
728 | |
---|
729 | DO jn = 1, nfldo2c |
---|
730 | |
---|
731 | IF (jn == 1) CALL CLIM_Export(cpl_writ(jn), icstep, zstoc , info) |
---|
732 | IF (jn == 2) CALL CLIM_Export(cpl_writ(jn), icstep, zieoc , info) |
---|
733 | IF (jn == 3) CALL CLIM_Export(cpl_writ(jn), icstep, zalboc, info) |
---|
734 | IF (jn == 4) CALL CLIM_Export(cpl_writ(jn), icstep, zticoc, info) |
---|
735 | |
---|
736 | IF (info /= CLIM_Ok) THEN |
---|
737 | WRITE (numout,*) 'STEP : Pb giving', cpl_writ(jn), ':', jn |
---|
738 | WRITE (numout,*) ' at timestep = ', icstep, 'kt = ', kt |
---|
739 | WRITE (numout,*) 'Clim error code is = ',info |
---|
740 | WRITE (numout,*) 'STOP in stpcpl ' |
---|
741 | CALL abort(' stpcpl ') |
---|
742 | ENDIF |
---|
743 | END DO |
---|
744 | ENDIF |
---|
745 | |
---|
746 | ! reset cumulative sst and sea-ice extend to zero |
---|
747 | sstoc(:,:) = 0.e0 |
---|
748 | sieoc(:,:) = 0.e0 |
---|
749 | alboc(:,:) = 0.e0 |
---|
750 | ticoc(:,:) = 0.e0 |
---|
751 | ENDIF |
---|
752 | ENDIF |
---|
753 | |
---|
754 | END SUBROUTINE cpl_stp |
---|
755 | |
---|
756 | #else |
---|
757 | !!---------------------------------------------------------------------- |
---|
758 | !! Default case Dummy module forced Ocean/Atmosphere |
---|
759 | !!---------------------------------------------------------------------- |
---|
760 | CONTAINS |
---|
761 | SUBROUTINE cpl_init ! Dummy routine |
---|
762 | WRITE(*,*) 'cpl_init: You should have not see this print! error?' |
---|
763 | END SUBROUTINE cpl_init |
---|
764 | SUBROUTINE cpl_stp( kt ) ! Dummy routine |
---|
765 | WRITE(*,*) 'cpl_stp: You should have not see this print! error?', kt |
---|
766 | END SUBROUTINE cpl_stp |
---|
767 | #endif |
---|
768 | |
---|
769 | !!====================================================================== |
---|
770 | END MODULE cpl |
---|