1 | MODULE trcsed_medusa |
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2 | !!====================================================================== |
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3 | !! *** MODULE trcsed_medusa *** |
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4 | !! TOP : MEDUSA Compute loss of organic matter in the sediments |
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5 | !!====================================================================== |
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6 | !! History : - ! 1995-06 (M. Levy) original code |
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7 | !! - ! 2000-12 (E. Kestenare) clean up |
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8 | !! 2.0 ! 2007-12 (C. Deltel, G. Madec) F90 + simplifications |
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9 | !! - ! 2008-08 (K. Popova) adaptation for MEDUSA |
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10 | !! - ! 2008-11 (A. Yool) continuing adaptation for MEDUSA |
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11 | !! - ! 2010-03 (A. Yool) updated for branch inclusion |
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12 | !! - ! 2011-04 (A. Yool) updated for ROAM project |
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13 | !!---------------------------------------------------------------------- |
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14 | #if defined key_medusa |
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15 | !!---------------------------------------------------------------------- |
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16 | !! 'key_medusa' MEDUSA bio-model |
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17 | !!---------------------------------------------------------------------- |
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18 | !! trc_sed_medusa : Compute loss of organic matter in the sediments |
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19 | !!---------------------------------------------------------------------- |
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20 | USE oce_trc ! |
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21 | USE trc |
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22 | USE sms_medusa |
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23 | !! AXY (10/02/09) |
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24 | USE iom |
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25 | |
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26 | USE lbclnk |
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27 | USE prtctl_trc ! Print control for debbuging |
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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_sed_medusa ! called in ??? |
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33 | PUBLIC trc_sed_medusa_sbc |
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34 | |
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35 | !! * Module variables |
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36 | INTEGER :: & |
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37 | ryyss, & !: number of seconds per year |
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38 | rmtss !: number of seconds per month |
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39 | |
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40 | !! AXY (10/02/09) |
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41 | LOGICAL, PUBLIC :: & |
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42 | bdustfer = .TRUE. |
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43 | REAL(wp), PUBLIC :: & |
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44 | sedfeinput = 1.e-9_wp , & |
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45 | dustsolub = 0.014_wp |
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46 | INTEGER :: & |
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47 | numdust, & |
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48 | nflx1, nflx2, & |
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49 | nflx11, nflx12 |
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50 | !!* Substitution |
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51 | # include "domzgr_substitute.h90" |
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52 | !!---------------------------------------------------------------------- |
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53 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
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54 | !! $Id$ |
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55 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
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56 | !!---------------------------------------------------------------------- |
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57 | |
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58 | CONTAINS |
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59 | |
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60 | SUBROUTINE trc_sed_medusa( kt ) |
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61 | !!--------------------------------------------------------------------- |
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62 | !! *** ROUTINE trc_sed_medusa *** |
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63 | !! |
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64 | !! ** Purpose : compute the now trend due to the vertical sedimentation of |
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65 | !! detritus and add it to the general trend of detritus equations |
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66 | !! |
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67 | !! ** Method : this ROUTINE compute not exactly the advection but the |
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68 | !! transport term, i.e. dz(wt) and dz(ws)., dz(wtr) |
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69 | !! using an upstream scheme |
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70 | !! the now vertical advection of tracers is given by: |
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71 | !! dz(trn wn) = 1/bt dk+1( e1t e2t vsed (trn) ) |
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72 | !! add this trend now to the general trend of tracer (ta,sa,tra): |
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73 | !! tra = tra + dz(trn wn) |
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74 | !! |
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75 | !! IF 'key_trc_diabio' is defined, the now vertical advection |
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76 | !! trend of passive tracers is saved for futher diagnostics. |
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77 | !!--------------------------------------------------------------------- |
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78 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
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79 | !! AXY (10/02/09) |
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80 | INTEGER :: jnt |
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81 | !! |
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82 | INTEGER :: ji, jj, jk |
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83 | REAL(wp) :: ztra |
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84 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwork |
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85 | |
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86 | !! AXY (10/02/09) |
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87 | REAL(wp), DIMENSION(jpi,jpj) :: zsidep !! Si deposition |
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88 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zirondep !! Fe deposition |
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89 | REAL(wp) :: rfact2 |
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90 | |
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91 | CHARACTER (len=25) :: charout |
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92 | !!--------------------------------------------------------------------- |
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93 | |
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94 | !! AXY (10/02/09) |
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95 | jnt = 1 |
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96 | rfact2 = 1.0 |
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97 | |
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98 | ! Number of seconds per year and per month |
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99 | ryyss = nyear_len(1) * rday |
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100 | rmtss = ryyss / raamo |
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101 | |
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102 | !! AXY (20/11/14): alter this to report on first MEDUSA call |
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103 | !! IF( kt == nit000 ) THEN |
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104 | IF( kt == nittrc000 ) THEN |
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105 | IF(lwp) WRITE(numout,*) |
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106 | IF(lwp) WRITE(numout,*) ' trc_sed_medusa: MEDUSA sedimentation' |
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107 | IF(lwp) WRITE(numout,*) ' ~~~~~~~' |
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108 | IF(lwp) WRITE(numout,*) ' kt =',kt |
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109 | ENDIF |
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110 | |
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111 | !! AXY (04/11/13): replace this with a call in trc_ini_medusa |
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112 | !! AXY (25/02/10) |
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113 | !! call routine for populating CCD array if this is the first time-step |
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114 | !! IF( kt == nittrc000 ) CALL medusa_ccd( kt ) |
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115 | |
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116 | !! AXY (04/11/13): replace this with a call in trc_ini_medusa |
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117 | !! AXY (26/01/12) |
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118 | !! call routine for populating river arrays if this is the first time-step |
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119 | !! IF( kt == nittrc000 ) CALL medusa_river( kt ) |
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120 | |
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121 | !! AXY (10/02/09) |
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122 | IF( (jnt == 1) .and. (bdustfer) ) CALL trc_sed_medusa_sbc( kt ) |
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123 | !! |
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124 | zirondep(:,:,:) = 0.e0 !! Initialisation of deposition variables |
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125 | zsidep (:,:) = 0.e0 |
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126 | !! |
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127 | !! Iron and Si deposition at the surface |
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128 | !! ------------------------------------- |
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129 | !! |
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130 | DO jj = 1, jpj |
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131 | DO ji = 1, jpi |
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132 | zirondep(ji,jj,1) = (dustsolub * dust(ji,jj) / (55.85 * rmtss) + 3.e-10 / ryyss) & |
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133 | & * rfact2 / fse3t(ji,jj,1) |
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134 | zsidep (ji,jj) = 8.8 * 0.075 * dust(ji,jj) * rfact2 / & |
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135 | & (fse3t(ji,jj,1) * 28.1 * rmtss) |
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136 | END DO |
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137 | END DO |
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138 | |
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139 | ! sedimentation of detrital nitrogen : upstream scheme |
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140 | ! ---------------------------------------------------- |
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141 | ! |
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142 | zwork(:,:,:) = 0.e0 ! initialisation of sinking variable |
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143 | ! for detrital nitrogen sedimentation only - jpdet |
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144 | zwork(:,:,1 ) = 0.e0 ! surface value set to zero |
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145 | zwork(:,:,jpk) = 0.e0 ! bottom value set to zero |
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146 | ! |
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147 | ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 |
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148 | DO jk = 2, jpk |
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149 | ! AXY (17/07/14): change "0.d0" to "0." |
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150 | ! zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdet),0.d0) * tmask(:,:,jk-1) |
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151 | zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdet),0.) * tmask(:,:,jk-1) |
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152 | ! |
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153 | ! AXY (16/01/14): stop sinking in upper 10m to reduce model instability |
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154 | ! in shallower grid cells |
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155 | ! if ( jk .lt. 9 ) zwork(:,:,jk) = 0.e0 |
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156 | END DO |
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157 | ! |
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158 | ! tracer flux divergence at t-point added to the general trend |
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159 | DO jk = 1, jpkm1 |
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160 | DO jj = 1, jpj |
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161 | DO ji = 1,jpi |
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162 | ztra = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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163 | tra(ji,jj,jk,jpdet) = tra(ji,jj,jk,jpdet) + ztra |
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164 | # if defined key_trc_diabio |
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165 | trbio(ji,jj,jk,8) = ztra |
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166 | # endif |
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167 | IF( ln_diatrc ) & |
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168 | & trc2d(ji,jj,8) = trc2d(ji,jj,8) + ztra * fse3t(ji,jj,jk) * 86400. |
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169 | END DO |
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170 | END DO |
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171 | END DO |
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172 | ! |
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173 | # if defined key_trc_diabio |
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174 | CALL lbc_lnk (trbio(:,:,1,8), 'T', 1. ) ! Lateral boundary conditions on trcbio |
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175 | # endif |
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176 | IF( ln_diatrc ) CALL lbc_lnk( trc2d(:,:,8), 'T', 1. ) ! Lateral boundary conditions on trc2d |
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177 | # if defined key_iomput |
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178 | CALL iom_put( "DSED",trc2d(:,:,8) ) |
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179 | # endif |
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180 | |
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181 | # if defined key_roam |
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182 | |
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183 | ! sedimentation of detrital carbon : upstream scheme |
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184 | ! -------------------------------------------------- |
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185 | ! |
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186 | zwork(:,:,:) = 0.e0 ! initialisation of sinking variable |
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187 | ! for detrital carbon sedimentation only - jpdtc |
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188 | zwork(:,:,1 ) = 0.e0 ! surface value set to zero |
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189 | zwork(:,:,jpk) = 0.e0 ! bottom value set to zero |
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190 | ! |
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191 | ! tracer flux at w-point: we use -vsed (downward flux) with simplification : no e1*e2 |
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192 | DO jk = 2, jpk |
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193 | ! AXY (17/07/14): change "0.d0" to "0." |
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194 | ! zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdtc),0.d0) * tmask(:,:,jk-1) |
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195 | zwork(:,:,jk) = -vsed * max(trn(:,:,jk-1,jpdtc),0.) * tmask(:,:,jk-1) |
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196 | ! |
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197 | ! AXY (16/01/14): stop sinking in upper 10m to reduce model instability |
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198 | ! in shallower grid cells |
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199 | ! if ( jk .lt. 9 ) zwork(:,:,jk) = 0.e0 |
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200 | END DO |
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201 | ! |
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202 | ! tracer flux divergence at t-point added to the general trend |
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203 | DO jk = 1, jpkm1 |
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204 | DO jj = 1, jpj |
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205 | DO ji = 1,jpi |
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206 | ztra = - ( zwork(ji,jj,jk) - zwork(ji,jj,jk+1) ) / fse3t(ji,jj,jk) |
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207 | tra(ji,jj,jk,jpdtc) = tra(ji,jj,jk,jpdtc) + ztra |
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208 | !! # if defined key_trc_diabio |
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209 | !! trbio(ji,jj,jk,8) = ztra |
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210 | !! # endif |
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211 | !! IF( ln_diatrc ) & |
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212 | !! & trc2d(ji,jj,8) = trc2d(ji,jj,8) + ztra * fse3t(ji,jj,jk) * 86400. |
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213 | END DO |
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214 | END DO |
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215 | END DO |
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216 | ! |
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217 | !! # if defined key_trc_diabio |
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218 | !! CALL lbc_lnk (trbio(:,:,1,8), 'T', 1. ) ! Lateral boundary conditions on trcbio |
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219 | !! # endif |
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220 | !! IF( ln_diatrc ) CALL lbc_lnk( trc2d(:,:,8), 'T', 1. ) ! Lateral boundary conditions on trc2d |
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221 | !! # if defined key_iomput |
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222 | !! CALL iom_put( "DSED",trc2d(:,:,8) ) |
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223 | !! # endif |
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224 | |
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225 | # endif |
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226 | |
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227 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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228 | WRITE(charout, FMT="('sed')") |
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229 | CALL prt_ctl_trc_info(charout) |
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230 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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231 | ENDIF |
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232 | |
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233 | END SUBROUTINE trc_sed_medusa |
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234 | |
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235 | !! ====================================================================== |
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236 | !! ====================================================================== |
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237 | !! ====================================================================== |
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238 | |
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239 | !! AXY (10/02/09) |
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240 | SUBROUTINE trc_sed_medusa_sbc(kt) |
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241 | |
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242 | !!---------------------------------------------------------------------- |
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243 | !! *** ROUTINE trc_sed_medusa_sbc *** |
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244 | !! |
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245 | !! ** Purpose : Read and interpolate the external sources of |
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246 | !! nutrients |
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247 | !! |
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248 | !! ** Method : Read the files and interpolate the appropriate variables |
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249 | !! |
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250 | !! ** input : external netcdf files |
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251 | !! |
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252 | !!---------------------------------------------------------------------- |
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253 | !! * arguments |
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254 | INTEGER, INTENT( in ) :: kt ! ocean time step |
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255 | |
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256 | !! * Local declarations |
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257 | INTEGER :: & |
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258 | imois, imois2, & ! temporary integers |
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259 | i15 , iman ! " " |
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260 | REAL(wp) :: & |
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261 | zxy ! " " |
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262 | |
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263 | !!--------------------------------------------------------------------- |
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264 | |
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265 | !! Initialization |
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266 | !! -------------- |
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267 | !! |
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268 | i15 = nday / 16 |
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269 | iman = INT( raamo ) |
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270 | imois = nmonth + i15 - 1 |
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271 | IF( imois == 0 ) imois = iman |
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272 | imois2 = nmonth |
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273 | |
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274 | !! 1. first call kt=nittrc000 |
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275 | !! ----------------------- |
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276 | !! |
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277 | IF( kt == nittrc000 ) THEN |
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278 | ! initializations |
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279 | nflx1 = 0 |
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280 | nflx11 = 0 |
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281 | ! open the file |
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282 | IF(lwp) THEN |
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283 | WRITE(numout,*) ' ' |
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284 | WRITE(numout,*) ' **** Routine trc_sed_medusa_sbc' |
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285 | ENDIF |
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286 | CALL iom_open ( 'dust.orca.nc', numdust ) |
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287 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: dust.orca.nc opened' |
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288 | ENDIF |
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289 | |
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290 | !! Read monthly file |
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291 | !! ---------------- |
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292 | !! |
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293 | IF( kt == nittrc000 .OR. imois /= nflx1 ) THEN |
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294 | |
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295 | !! Calendar computation |
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296 | !! |
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297 | !! nflx1 number of the first file record used in the simulation |
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298 | !! nflx2 number of the last file record |
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299 | !! |
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300 | nflx1 = imois |
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301 | nflx2 = nflx1+1 |
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302 | nflx1 = MOD( nflx1, iman ) |
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303 | nflx2 = MOD( nflx2, iman ) |
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304 | IF( nflx1 == 0 ) nflx1 = iman |
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305 | IF( nflx2 == 0 ) nflx2 = iman |
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306 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: first record file used nflx1 ',nflx1 |
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307 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: last record file used nflx2 ',nflx2 |
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308 | |
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309 | !! Read monthly fluxes data |
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310 | !! |
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311 | !! humidity |
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312 | !! |
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313 | CALL iom_get ( numdust, jpdom_data, 'dust', dustmo(:,:,1), nflx1 ) |
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314 | CALL iom_get ( numdust, jpdom_data, 'dust', dustmo(:,:,2), nflx2 ) |
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315 | |
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316 | IF(lwp .AND. nitend-nit000 <= 100 ) THEN |
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317 | WRITE(numout,*) |
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318 | WRITE(numout,*) ' read clio flx ok' |
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319 | WRITE(numout,*) |
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320 | WRITE(numout,*) |
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321 | WRITE(numout,*) 'Clio month: ',nflx1,' field: dust' |
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322 | CALL prihre( dustmo(:,:,1),jpi,jpj,1,jpi,20,1,jpj,10,1e9,numout ) |
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323 | ENDIF |
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324 | |
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325 | ENDIF |
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326 | |
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327 | !! 3. at every time step interpolation of fluxes |
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328 | !! --------------------------------------------- |
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329 | !! |
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330 | zxy = FLOAT( nday + 15 - 30 * i15 ) / 30 |
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331 | dust(:,:) = ( (1.-zxy) * dustmo(:,:,1) + zxy * dustmo(:,:,2) ) |
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332 | |
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333 | IF( kt == nitend ) THEN |
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334 | CALL iom_close (numdust) |
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335 | IF(lwp) WRITE(numout,*) 'trc_sed_medusa_sbc: dust.orca.nc closed' |
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336 | ENDIF |
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337 | |
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338 | END SUBROUTINE trc_sed_medusa_sbc |
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339 | |
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340 | #else |
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341 | !!====================================================================== |
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342 | !! Dummy module : No MEDUSA bio-model |
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343 | !!====================================================================== |
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344 | CONTAINS |
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345 | SUBROUTINE trc_sed_medusa( kt ) ! Empty routine |
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346 | INTEGER, INTENT( in ) :: kt |
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347 | WRITE(*,*) 'trc_sed_medusa: You should not have seen this print! error?', kt |
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348 | END SUBROUTINE trc_sed_medusa |
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349 | #endif |
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350 | |
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351 | !!====================================================================== |
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352 | END MODULE trcsed_medusa |
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