1 | MODULE seddta |
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2 | !!====================================================================== |
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3 | !! *** MODULE seddta *** |
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4 | !! Sediment data : read sediment input data from a file |
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5 | !!===================================================================== |
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6 | |
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7 | !! * Modules used |
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8 | USE sed |
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9 | USE sedarr |
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10 | USE phycst, ONLY : rday |
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11 | USE iom |
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12 | USE lib_mpp ! distribued memory computing library |
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13 | |
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14 | IMPLICIT NONE |
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15 | PRIVATE |
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16 | |
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17 | !! * Routine accessibility |
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18 | PUBLIC sed_dta ! |
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19 | |
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20 | !! * Module variables |
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21 | REAL(wp) :: rsecday ! number of second per a day |
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22 | REAL(wp) :: conv2 ! [kg/m2/month]-->[g/cm2/s] ( 1 month has 30 days ) |
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23 | |
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24 | !! * Substitutions |
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25 | # include "do_loop_substitute.h90" |
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26 | !! $Id$ |
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27 | CONTAINS |
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28 | |
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29 | !!--------------------------------------------------------------------------- |
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30 | !! sed_dta : read the NetCDF data file in online version using module iom |
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31 | !!--------------------------------------------------------------------------- |
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32 | |
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33 | SUBROUTINE sed_dta( kt, Kbb, Kmm ) |
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34 | !!---------------------------------------------------------------------- |
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35 | !! *** ROUTINE sed_dta *** |
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36 | !! |
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37 | !! ** Purpose : Reads data from a netcdf file and |
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38 | !! initialization of rain and pore water (k=1) components |
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39 | !! |
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40 | !! |
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41 | !! History : |
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42 | !! ! 04-10 (N. Emprin, M. Gehlen ) Original code |
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43 | !! ! 06-04 (C. Ethe) Re-organization ; Use of iom |
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44 | !!---------------------------------------------------------------------- |
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45 | |
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46 | !! Arguments |
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47 | INTEGER, INTENT(in) :: kt ! time-step |
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48 | INTEGER, INTENT(in) :: Kbb, Kmm ! time level indices |
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49 | |
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50 | !! * Local declarations |
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51 | INTEGER :: ji, jj, js, jw, ikt |
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52 | |
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53 | REAL(wp), DIMENSION(jpoce) :: zdtap, zdtag |
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54 | REAL(wp), DIMENSION(jpi,jpj) :: zwsbio4, zwsbio3 |
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55 | REAL(wp) :: zf0, zf1, zf2, zkapp, zratio, zdep |
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56 | |
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57 | !---------------------------------------------------------------------- |
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58 | |
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59 | ! Initialization of sediment variable |
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60 | ! Spatial dimension is merged, and unity converted if needed |
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61 | !------------------------------------------------------------- |
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62 | |
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63 | IF( ln_timing ) CALL timing_start('sed_dta') |
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64 | |
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65 | IF (lwp) THEN |
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66 | WRITE(numsed,*) |
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67 | WRITE(numsed,*) ' sed_dta : Bottom layer fields' |
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68 | WRITE(numsed,*) ' ~~~~~~' |
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69 | WRITE(numsed,*) ' Data from SMS model' |
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70 | WRITE(numsed,*) |
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71 | ENDIF |
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72 | |
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73 | |
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74 | ! open file |
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75 | IF( kt == nitsed000 ) THEN |
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76 | IF (lwp) WRITE(numsed,*) ' sed_dta : Sediment fields' |
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77 | dtsed = r2dttrc |
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78 | rsecday = 60.* 60. * 24. |
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79 | ! conv2 = 1.0e+3 / ( 1.0e+4 * rsecday * 30. ) |
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80 | conv2 = 1.0e+3 / 1.0e+4 |
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81 | rdtsed(2:jpksed) = dtsed / ( denssol * por1(2:jpksed) ) |
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82 | ENDIF |
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83 | |
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84 | ! Initialization of temporaries arrays |
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85 | zdtap(:) = 0. |
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86 | zdtag(:) = 0. |
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87 | |
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88 | ! reading variables |
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89 | IF (lwp) WRITE(numsed,*) |
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90 | IF (lwp) WRITE(numsed,*) ' sed_dta : Bottom layer fields at time kt = ', kt |
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91 | ! reading variables |
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92 | ! |
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93 | ! Sinking speeds of detritus is increased with depth as shown |
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94 | ! by data and from the coagulation theory |
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95 | ! ----------------------------------------------------------- |
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96 | IF (ln_sediment_offline) THEN |
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97 | DO_2D_11_11 |
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98 | ikt = mbkt(ji,jj) |
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99 | zwsbio4(ji,jj) = wsbio2 / rday |
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100 | zwsbio3(ji,jj) = wsbio / rday |
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101 | END_2D |
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102 | ELSE |
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103 | DO_2D_11_11 |
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104 | ikt = mbkt(ji,jj) |
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105 | zdep = e3t(ji,jj,ikt,Kmm) / r2dttrc |
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106 | zwsbio4(ji,jj) = MIN( 0.99 * zdep, wsbio4(ji,jj,ikt) / rday ) |
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107 | zwsbio3(ji,jj) = MIN( 0.99 * zdep, wsbio3(ji,jj,ikt) / rday ) |
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108 | END_2D |
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109 | ENDIF |
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110 | |
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111 | trc_data(:,:,:) = 0. |
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112 | DO_2D_11_11 |
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113 | ikt = mbkt(ji,jj) |
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114 | IF ( tmask(ji,jj,ikt) == 1 ) THEN |
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115 | trc_data(ji,jj,1) = tr(ji,jj,ikt,jpsil,Kbb) |
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116 | trc_data(ji,jj,2) = tr(ji,jj,ikt,jpoxy,Kbb) |
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117 | trc_data(ji,jj,3) = tr(ji,jj,ikt,jpdic,Kbb) |
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118 | trc_data(ji,jj,4) = tr(ji,jj,ikt,jpno3,Kbb) / 7.625 |
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119 | trc_data(ji,jj,5) = tr(ji,jj,ikt,jppo4,Kbb) / 122. |
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120 | trc_data(ji,jj,6) = tr(ji,jj,ikt,jptal,Kbb) |
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121 | trc_data(ji,jj,7) = tr(ji,jj,ikt,jpnh4,Kbb) / 7.625 |
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122 | trc_data(ji,jj,8) = 0.0 |
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123 | trc_data(ji,jj,9) = 28.0E-3 |
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124 | trc_data(ji,jj,10) = tr(ji,jj,ikt,jpfer,Kbb) |
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125 | trc_data(ji,jj,11 ) = MIN(tr(ji,jj,ikt,jpgsi,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 |
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126 | trc_data(ji,jj,12 ) = MIN(tr(ji,jj,ikt,jppoc,Kbb), 1E-4) * zwsbio3(ji,jj) * 1E3 |
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127 | trc_data(ji,jj,13 ) = MIN(tr(ji,jj,ikt,jpgoc,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 |
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128 | trc_data(ji,jj,14) = MIN(tr(ji,jj,ikt,jpcal,Kbb), 1E-4) * zwsbio4(ji,jj) * 1E3 |
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129 | trc_data(ji,jj,15) = ts(ji,jj,ikt,jp_tem,Kmm) |
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130 | trc_data(ji,jj,16) = ts(ji,jj,ikt,jp_sal,Kmm) |
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131 | trc_data(ji,jj,17 ) = ( tr(ji,jj,ikt,jpsfe,Kbb) * zwsbio3(ji,jj) + tr(ji,jj,ikt,jpbfe,Kbb) & |
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132 | & * zwsbio4(ji,jj) ) * 1E3 / ( trc_data(ji,jj,12 ) + trc_data(ji,jj,13 ) + rtrn ) |
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133 | trc_data(ji,jj,17 ) = MIN(1E-3, trc_data(ji,jj,17 ) ) |
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134 | ENDIF |
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135 | END_2D |
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136 | |
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137 | ! Pore water initial concentration [mol/l] in k=1 |
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138 | !------------------------------------------------- |
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139 | DO jw = 1, jpwat |
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140 | CALL pack_arr ( jpoce, pwcp_dta(1:jpoce,jw), trc_data(1:jpi,1:jpj,jw), iarroce(1:jpoce) ) |
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141 | END DO |
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142 | ! Solid components : |
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143 | !----------------------- |
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144 | ! Sinking fluxes for OPAL in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 |
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145 | CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jsopal), trc_data(1:jpi,1:jpj,11), iarroce(1:jpoce) ) |
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146 | rainrm_dta(1:jpoce,jsopal) = rainrm_dta(1:jpoce,jsopal) * 1e-4 |
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147 | ! Sinking fluxes for POC in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 |
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148 | CALL pack_arr ( jpoce, zdtap(1:jpoce), trc_data(1:jpi,1:jpj,12) , iarroce(1:jpoce) ) |
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149 | CALL pack_arr ( jpoce, zdtag(1:jpoce), trc_data(1:jpi,1:jpj,13) , iarroce(1:jpoce) ) |
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150 | DO ji = 1, jpoce |
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151 | ! zkapp = MIN( (1.0 - 0.02 ) * reac_poc, 3731.0 * max(100.0, zkbot(ji) )**(-1.011) / ( 365.0 * 24.0 * 3600.0 ) ) |
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152 | ! zkapp = MIN( 0.98 * reac_poc, 100.0 * max(100.0, zkbot(ji) )**(-0.6) / ( 365.0 * 24.0 * 3600.0 ) ) |
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153 | ! zratio = ( ( 1.0 - 0.02 ) * reac_poc + 0.02 * reac_poc * 0. - zkapp) / ( ( 0.02 - 1.0 ) * reac_poc / 100. - 0.02 * reac_poc * 0. + zkapp ) |
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154 | ! zf1 = ( 0.02 * (reac_poc - reac_poc * 0.) + zkapp - reac_poc ) / ( reac_poc / 100. - reac_poc ) |
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155 | ! zf1 = MIN(0.98, MAX(0., zf1 ) ) |
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156 | zf1 = 0.48 |
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157 | zf0 = 1.0 - 0.02 - zf1 |
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158 | zf2 = 0.02 |
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159 | rainrm_dta(ji,jspoc) = ( zdtap(ji) + zdtag(ji) ) * 1e-4 * zf0 |
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160 | rainrm_dta(ji,jspos) = ( zdtap(ji) + zdtag(ji) ) * 1e-4 * zf1 |
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161 | rainrm_dta(ji,jspor) = ( zdtap(ji) + zdtag(ji) ) * 1e-4 * zf2 |
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162 | END DO |
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163 | ! Sinking fluxes for Calcite in mol.m-2.s-1 ; conversion in mol.cm-2.s-1 |
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164 | CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jscal), trc_data(1:jpi,1:jpj,14), iarroce(1:jpoce) ) |
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165 | rainrm_dta(1:jpoce,jscal) = rainrm_dta(1:jpoce,jscal) * 1e-4 |
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166 | ! vector temperature [°C] and salinity |
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167 | CALL pack_arr ( jpoce, temp(1:jpoce), trc_data(1:jpi,1:jpj,15), iarroce(1:jpoce) ) |
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168 | CALL pack_arr ( jpoce, salt(1:jpoce), trc_data(1:jpi,1:jpj,16), iarroce(1:jpoce) ) |
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169 | |
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170 | ! Clay rain rate in [mol/(cm**2.s)] |
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171 | ! inputs data in [kg.m-2.sec-1] ---> 1e+3/(1e+4) [g.cm-2.s-1] |
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172 | ! divided after by molecular weight g.mol-1 |
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173 | CALL pack_arr ( jpoce, rainrm_dta(1:jpoce,jsclay), dust(1:jpi,1:jpj), iarroce(1:jpoce) ) |
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174 | rainrm_dta(1:jpoce,jsclay) = rainrm_dta(1:jpoce,jsclay) * conv2 / mol_wgt(jsclay) & |
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175 | & + wacc(1:jpoce) * por1(2) * denssol / mol_wgt(jsclay) / ( rsecday * 365.0 ) |
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176 | rainrm_dta(1:jpoce,jsclay) = rainrm_dta(1:jpoce,jsclay) * 0.965 |
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177 | rainrm_dta(1:jpoce,jsfeo) = rainrm_dta(1:jpoce,jsclay) * mol_wgt(jsclay) / mol_wgt(jsfeo) * 0.035 / 0.965 |
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178 | ! rainrm_dta(1:jpoce,jsclay) = 1.0E-4 * conv2 / mol_wgt(jsclay) |
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179 | |
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180 | ! Iron monosulphide rain rates. Set to 0 |
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181 | rainrm_dta(1:jpoce,jsfes) = 0. |
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182 | |
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183 | ! Fe/C ratio in sinking particles that fall to the sediments |
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184 | CALL pack_arr ( jpoce, fecratio(1:jpoce), trc_data(1:jpi,1:jpj,17), iarroce(1:jpoce) ) |
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185 | |
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186 | sedligand(:,1) = 1.E-9 |
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187 | |
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188 | ! sediment pore water at 1st layer (k=1) |
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189 | DO jw = 1, jpwat |
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190 | pwcp(1:jpoce,1,jw) = pwcp_dta(1:jpoce,jw) |
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191 | ENDDO |
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192 | |
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193 | ! rain |
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194 | DO js = 1, jpsol |
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195 | rainrm(1:jpoce,js) = rainrm_dta(1:jpoce,js) |
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196 | ENDDO |
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197 | |
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198 | ! Calculation of raintg of each sol. comp.: rainrm in [g/(cm**2.s)] |
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199 | DO js = 1, jpsol |
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200 | rainrg(1:jpoce,js) = rainrm(1:jpoce,js) * mol_wgt(js) |
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201 | ENDDO |
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202 | |
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203 | ! Calculation of raintg = total massic flux rained in each cell (sum of sol. comp.) |
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204 | raintg(:) = 0. |
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205 | DO js = 1, jpsol |
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206 | raintg(1:jpoce) = raintg(1:jpoce) + rainrg(1:jpoce,js) |
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207 | ENDDO |
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208 | |
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209 | ! computation of dzdep = total thickness of solid material rained [cm] in each cell |
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210 | dzdep(1:jpoce) = raintg(1:jpoce) * rdtsed(2) |
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211 | |
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212 | IF( lk_iomput ) THEN |
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213 | IF( iom_use("sflxclay" ) ) CALL iom_put( "sflxclay", dust(:,:) * conv2 * 1E4 ) |
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214 | IF( iom_use("sflxcal" ) ) CALL iom_put( "sflxcal", trc_data(:,:,13) ) |
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215 | IF( iom_use("sflxbsi" ) ) CALL iom_put( "sflxbsi", trc_data(:,:,10) ) |
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216 | IF( iom_use("sflxpoc" ) ) CALL iom_put( "sflxpoc", trc_data(:,:,11) + trc_data(:,:,12) ) |
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217 | ENDIF |
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218 | |
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219 | IF( ln_timing ) CALL timing_stop('sed_dta') |
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220 | |
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221 | END SUBROUTINE sed_dta |
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222 | |
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223 | END MODULE seddta |
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