1 | MODULE trcsbcssr |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcsbcssr *** |
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4 | !! Surface module : restoring term towards surface chlorophyll climatology |
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5 | !!====================================================================== |
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6 | !! History : 3.6 ! 2017-06 (D. Ford) Adapt from sbcssr.F90 |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_top |
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9 | !!---------------------------------------------------------------------- |
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10 | !! trc_sbc_ssr : add a restoring term toward chl climatology |
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11 | !! trc_sbc_ssr_init : initialisation of surface restoring |
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12 | !!---------------------------------------------------------------------- |
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13 | USE dom_oce ! ocean space and time domain |
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14 | USE oce_trc ! shared variables between ocean and passive tracers |
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15 | USE trc |
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16 | USE trcnam_trp |
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17 | ! |
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18 | USE fldread ! read input fields |
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19 | USE iom ! I/O manager |
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20 | USE in_out_manager ! I/O manager |
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21 | USE lib_mpp ! distribued memory computing library |
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22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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23 | USE timing ! Timing |
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24 | USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) |
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25 | #if defined key_fabm |
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26 | USE par_fabm |
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27 | #endif |
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28 | |
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29 | IMPLICIT NONE |
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30 | PRIVATE |
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31 | |
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32 | PUBLIC trc_sbc_ssr ! routine called in trctrp |
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33 | |
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34 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_chldmp ! structure of input Chl (file informations, fields read) |
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35 | |
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36 | !! * Substitutions |
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37 | # include "top_substitute.h90" |
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38 | |
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39 | CONTAINS |
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40 | |
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41 | SUBROUTINE trc_sbc_ssr( kt ) |
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42 | !!--------------------------------------------------------------------- |
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43 | !! *** ROUTINE trc_sbc_ssr *** |
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44 | !! |
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45 | !! ** Purpose : Add to chlorophyll a damping term |
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46 | !! toward chlorophyll climatology |
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47 | !! |
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48 | !! ** Method : - Read chlorophyll climatology |
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49 | !! - at each trc time step add term to each PFT |
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50 | !! surface only (nn_chldmp = 1) |
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51 | !! mixed layer (nn_chldmp = 2) |
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52 | !!--------------------------------------------------------------------- |
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53 | INTEGER, INTENT(in ) :: kt ! ocean time step |
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54 | !! |
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55 | INTEGER :: ji, jj, jk ! dummy loop indices |
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56 | |
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57 | REAL(wp), DIMENSION(jpi,jpj) :: ztra, zchl |
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58 | REAL(wp) :: zpft |
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59 | !!---------------------------------------------------------------------- |
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60 | ! |
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61 | IF( nn_timing == 1 ) CALL timing_start('trc_sbc_ssr') |
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62 | ! |
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63 | IF( kt == nittrc000 ) THEN |
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64 | ! |
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65 | CALL trc_sbc_ssr_init |
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66 | ! |
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67 | IF( nn_chldmp > 0 ) THEN |
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68 | ! |
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69 | IF (lwp) WRITE(numout,*) 'Damping chlorophyll on timestep ', kt |
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70 | ! |
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71 | CALL fld_read( kt, 1, sf_chldmp ) ! Read Chl data and provides it at kt |
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72 | ! |
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73 | #if defined key_fabm |
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74 | zchl(:,:) = trb(:,:,1,jp_fabm_m1+jp_fabm_chl1) + & |
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75 | & trb(:,:,1,jp_fabm_m1+jp_fabm_chl2) + & |
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76 | & trb(:,:,1,jp_fabm_m1+jp_fabm_chl3) + & |
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77 | & trb(:,:,1,jp_fabm_m1+jp_fabm_chl4) |
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78 | ztra(:,:) = rn_chldmp * ( sf_chldmp(1)%fnow(:,:,1) - zchl(:,:) ) |
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79 | ! |
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80 | DO jj = 2, jpjm1 |
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81 | DO ji = fs_2, fs_jpim1 ! vector opt. |
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82 | IF ( ( sf_chldmp(1)%fnow(ji,jj,1) > 0.0 ) .AND. & |
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83 | & ( sf_chldmp(1)%fnow(ji,jj,1) < 100.0 ) .AND. & |
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84 | & ( zchl(ji,jj) > 0.0 ) ) THEN |
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85 | zpft = ( trb(ji,jj,1,jp_fabm_m1+jp_fabm_chl1) / zchl(ji,jj) ) * ztra(ji,jj) |
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86 | tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl1) = tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl1) + zpft |
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87 | IF( nn_chldmp == 2 ) THEN |
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88 | DO jk = 2, jpkm1 |
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89 | IF( fsdept(ji,jj,jk) < hmlp (ji,jj) ) THEN |
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90 | tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl1) = tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl1) + zpft |
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91 | ENDIF |
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92 | END DO |
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93 | ENDIF |
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94 | ! |
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95 | zpft = ( trb(ji,jj,1,jp_fabm_m1+jp_fabm_chl2) / zchl(ji,jj) ) * ztra(ji,jj) |
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96 | tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl2) = tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl2) + zpft |
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97 | IF( nn_chldmp == 2 ) THEN |
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98 | DO jk = 2, jpkm1 |
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99 | IF( fsdept(ji,jj,jk) < hmlp (ji,jj) ) THEN |
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100 | tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl2) = tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl2) + zpft |
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101 | ENDIF |
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102 | END DO |
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103 | ENDIF |
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104 | ! |
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105 | zpft = ( trb(ji,jj,1,jp_fabm_m1+jp_fabm_chl3) / zchl(ji,jj) ) * ztra(ji,jj) |
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106 | tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl3) = tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl3) + zpft |
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107 | IF( nn_chldmp == 2 ) THEN |
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108 | DO jk = 2, jpkm1 |
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109 | IF( fsdept(ji,jj,jk) < hmlp (ji,jj) ) THEN |
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110 | tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl3) = tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl3) + zpft |
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111 | ENDIF |
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112 | END DO |
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113 | ENDIF |
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114 | ! |
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115 | zpft = ( trb(ji,jj,1,jp_fabm_m1+jp_fabm_chl4) / zchl(ji,jj) ) * ztra(ji,jj) |
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116 | tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl4) = tra(ji,jj,1,jp_fabm_m1+jp_fabm_chl4) + zpft |
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117 | IF( nn_chldmp == 2 ) THEN |
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118 | DO jk = 2, jpkm1 |
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119 | IF( fsdept(ji,jj,jk) < hmlp (ji,jj) ) THEN |
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120 | tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl4) = tra(ji,jj,jk,jp_fabm_m1+jp_fabm_chl4) + zpft |
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121 | ENDIF |
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122 | END DO |
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123 | ENDIF |
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124 | ENDIF |
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125 | END DO |
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126 | END DO |
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127 | #else |
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128 | CALL ctl_stop( 'STOP', 'trc_sbc_ssr: only works with FABM-ERSEM' ) |
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129 | #endif |
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130 | ! |
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131 | ENDIF |
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132 | ! |
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133 | ENDIF |
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134 | ! |
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135 | IF( nn_timing == 1 ) CALL timing_stop('trc_sbc_ssr') |
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136 | ! |
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137 | END SUBROUTINE trc_sbc_ssr |
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138 | |
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139 | |
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140 | SUBROUTINE trc_sbc_ssr_init |
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141 | !!--------------------------------------------------------------------- |
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142 | !! *** ROUTINE trc_sbc_ssr_init *** |
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143 | !! |
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144 | !! ** Purpose : initialisation of surface damping term |
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145 | !! |
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146 | !! ** Method : - Read chlorophyll |
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147 | !!--------------------------------------------------------------------- |
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148 | INTEGER :: ierror ! return error code |
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149 | !!---------------------------------------------------------------------- |
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150 | ! |
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151 | IF( nn_chldmp > 0 ) THEN !* set sf_sss structure & allocate arrays |
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152 | ! |
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153 | ALLOCATE( sf_chldmp(1), STAT=ierror ) |
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154 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'trc_sbc_ssr: unable to allocate sf_chldmp structure' ) |
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155 | ALLOCATE( sf_chldmp(1)%fnow(jpi,jpj,1), STAT=ierror ) |
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156 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'trc_sbc_ssr: unable to allocate sf_chldmp now array' ) |
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157 | ! |
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158 | ! fill sf_sss with sn_sss and control print |
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159 | CALL fld_fill( sf_chldmp, (/ sn_chldmp /), cn_dir_chldmp, 'trc_sbc_ssr', 'Chl restoring term', 'namtrc_dmp' ) |
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160 | IF( sf_chldmp(1)%ln_tint ) ALLOCATE( sf_chldmp(1)%fdta(jpi,jpj,1,2), STAT=ierror ) |
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161 | IF( ierror > 0 ) CALL ctl_stop( 'STOP', 'trc_sbc_ssr: unable to allocate sf_chldmp data array' ) |
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162 | ! |
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163 | ENDIF |
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164 | ! |
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165 | END SUBROUTINE trc_sbc_ssr_init |
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166 | |
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167 | #else |
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168 | SUBROUTINE trc_sbc_ssr( kt ) ! Empty routine |
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169 | INTEGER, INTENT(in) :: kt |
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170 | WRITE(*,*) 'trc_sbc_ssr: You should not have seen this print! error?', kt |
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171 | END SUBROUTINE trc_sbc_ssr |
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172 | #endif |
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173 | !!====================================================================== |
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174 | END MODULE trcsbcssr |
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