1 | c----- This subroutine calculates the sedimentation flux of Tracers |
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2 | c |
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3 | SUBROUTINE sediment_mod(t_seri,pplay,zrho,paprs,time_step,RHcl, |
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4 | . id_coss,id_codu,id_scdu, |
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5 | . ok_chimeredust, |
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6 | . sed_ss,sed_dust,sed_dustsco, |
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7 | . sed_ss3D,sed_dust3D,sed_dustsco3D,tr_seri) |
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8 | cnhl . xlon,xlat, |
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9 | c |
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10 | USE dimphy |
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11 | USE infotrac |
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12 | IMPLICIT NONE |
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13 | c |
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14 | INCLUDE "dimensions.h" |
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15 | INCLUDE "chem.h" |
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16 | c INCLUDE "dimphy.h" |
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17 | INCLUDE "YOMCST.h" |
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18 | INCLUDE "YOECUMF.h" |
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19 | c |
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20 | REAL RHcl(klon,klev) ! humidite relative ciel clair |
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21 | REAL tr_seri(klon, klev,nbtr) !conc of tracers |
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22 | REAL sed_ss(klon) !sedimentation flux of Sea Salt (g/m2/s) |
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23 | REAL sed_dust(klon) !sedimentation flux of dust (g/m2/s) |
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24 | REAL sed_dustsco(klon) !sedimentation flux of scoarse dust (g/m2/s) |
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25 | REAL sed_ss3D(klon,klev) !sedimentation flux of Sea Salt (g/m2/s) |
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26 | REAL sed_dust3D(klon,klev) !sedimentation flux of dust (g/m2/s) |
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27 | REAL sed_dustsco3D(klon,klev) !sedimentation flux of scoarse dust (g/m2/s) |
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28 | REAL t_seri(klon, klev) !Temperature at mid points of Z (K) |
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29 | REAL v_dep_ss(klon,klev) ! sed. velocity for SS m/s |
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30 | REAL v_dep_dust(klon,klev) ! sed. velocity for dust m/s |
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31 | REAL v_dep_dustsco(klon,klev) ! sed. velocity for dust m/s |
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32 | REAL pplay(klon, klev) !pressure at mid points of Z (Pa) |
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33 | REAL zrho(klon, klev) !Density of air at mid points of Z (kg/m3) |
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34 | REAL paprs(klon, klev+1) !pressure at interface of layers Z (Pa) |
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35 | REAL time_step !time step (sec) |
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36 | LOGICAL ok_chimeredust |
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37 | REAL xlat(klon) ! latitudes pour chaque point |
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38 | REAL xlon(klon) ! longitudes pour chaque point |
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39 | INTEGER id_coss,id_codu,id_scdu |
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40 | c |
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41 | c------local variables |
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42 | c |
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43 | INTEGER i, k, nbre_RH |
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44 | PARAMETER(nbre_RH=12) |
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45 | c |
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46 | REAL lambda, ss_g |
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47 | REAL mmd_ss !mass median diameter of SS (um) |
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48 | REAL mmd_dust !mass median diameter of dust (um) |
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49 | REAL mmd_dustsco !mass median diameter of scoarse dust (um) |
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50 | REAL rho_ss(nbre_RH),rho_ss1 !density of sea salt (kg/m3) |
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51 | REAL rho_dust !density of dust(kg/m3) |
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52 | REAL v_stokes, CC, v_sed, ss_growth_f(nbre_RH) |
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53 | REAL sed_flux(klon,klev) ! sedimentation flux g/m2/s |
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54 | REAL air_visco(klon,klev) |
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55 | REAL zdz(klon,klev) ! layers height (m) |
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56 | REAL temp ! temperature in degree Celius |
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57 | c |
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58 | INTEGER RH_num |
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59 | REAL RH_MAX, DELTA, rh, RH_tab(nbre_RH) |
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60 | PARAMETER (RH_MAX=95.) |
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61 | c |
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62 | DATA RH_tab/0.,10.,20.,30.,40.,50.,60.,70.,80.,85.,90.,95./ |
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63 | c |
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64 | c |
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65 | DATA rho_ss/2160. ,2160. ,2160., 2160, 1451.6, 1367.9, |
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66 | . 1302.9,1243.2,1182.7, 1149.5,1111.6, 1063.1/ |
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67 | c |
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68 | DATA ss_growth_f/0.503, 0.503, 0.503, 0.503, 0.724, 0.782, |
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69 | . 0.838, 0.905, 1.000, 1.072, 1.188, 1.447/ |
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70 | c |
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71 | c |
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72 | mmd_ss=12.7 !dia -um at 80% for bin 0.5-20 um but 90% of real mmd |
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73 | ! obsolete mmd_dust=2.8 !micrometer for bin 0.5-20 and 0.5-10 um |
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74 | ! 4tracer SPLA: mmd_dust=11.0 !micrometer for bin 0.5-20 and 0.5-10 um |
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75 | !3days mmd_dust=3.333464 !micrometer for bin 0.5-20 and 0.5-10 um |
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76 | !3days mmd_dustsco=12.91315 !micrometer for bin 0.5-20 and 0.5-10 um |
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77 | !JE20140911 mmd_dust=3.002283 !micrometer for bin 0.5-20 and 0.5-10 um |
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78 | !JE20140911 mmd_dustsco=13.09771 !micrometer for bin 0.5-20 and 0.5-10 um |
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79 | !JE20140911 mmd_dust=5.156346 !micrometer for bin 0.5-20 and 0.5-10 um |
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80 | !JE20140911 mmd_dustsco=15.56554 !micrometer for bin 0.5-20 and 0.5-10 um |
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81 | IF (ok_chimeredust) THEN |
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82 | !JE20150212<< : changes in ustar in dustmod changes emission distribution |
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83 | ! mmd_dust=3.761212 !micrometer for bin 0.5-3 and 0.5-10 um |
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84 | ! mmd_dustsco=15.06167 !micrometer for bin 3-20 and 0.5-10 um |
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85 | !JE20150212>> |
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86 | !JE20150618: Change in div3 of dustmod changes distribution. now is div3=6 |
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87 | !div=3 mmd_dust=3.983763 |
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88 | !div=3 mmd_dustsco=15.10854 |
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89 | mmd_dust=3.898047 |
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90 | mmd_dustsco=15.06167 |
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91 | ELSE |
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92 | mmd_dust=11.0 !micrometer for bin 0.5-20 and 0.5-10 um |
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93 | mmd_dustsco=100. ! absurd value, bin not used in this scheme |
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94 | ENDIF |
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95 | |
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96 | |
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97 | rho_dust=2600. !kg/m3 |
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98 | c |
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99 | c--------- Air viscosity (poise=0.1 kg/m-sec)----------- |
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100 | c |
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101 | DO k=1, klev |
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102 | DO i=1, klon |
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103 | c |
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104 | zdz(i,k)=(paprs(i,k)-paprs(i,k+1))/zrho(i,k)/RG |
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105 | c |
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106 | temp=t_seri(i,k)-RTT |
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107 | c |
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108 | IF (temp<0.) THEN |
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109 | air_visco(i,k)=(1.718+0.0049*temp-1.2e-5*temp*temp)*1.e-4 |
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110 | ELSE |
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111 | air_visco(i,k)=(1.718+0.0049*temp)*1.e-4 |
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112 | ENDIF |
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113 | c |
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114 | ENDDO |
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115 | ENDDO |
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116 | c |
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117 | c--------- for Sea Salt ------------------- |
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118 | c |
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119 | c |
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120 | c |
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121 | IF(id_coss>0) THEN |
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122 | DO k=1, klev |
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123 | DO i=1,klon |
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124 | c |
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125 | c---cal. correction factor hygroscopic growth of aerosols |
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126 | c |
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127 | rh=MIN(RHcl(i,k)*100.,RH_MAX) |
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128 | RH_num = INT( rh/10. + 1.) |
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129 | IF (rh>85.) RH_num=10 |
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130 | IF (rh>90.) RH_num=11 |
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131 | DELTA=(rh-RH_tab(RH_num))/(RH_tab(RH_num+1)-RH_tab(RH_num)) |
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132 | c |
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133 | ss_g=ss_growth_f(rh_num) + |
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134 | . DELTA*(ss_growth_f(RH_num+1)-ss_growth_f(RH_num)) |
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135 | |
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136 | rho_ss1=rho_ss(rh_num) + |
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137 | . DELTA*(rho_ss(RH_num+1)-rho_ss(RH_num)) |
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138 | c |
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139 | v_stokes=RG*(rho_ss1-zrho(i,k))* !m/sec |
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140 | . (mmd_ss*ss_g)*(mmd_ss*ss_g)* |
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141 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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142 | c |
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143 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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144 | c |
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145 | CC=1.0+1.257*lambda/(mmd_ss*ss_g)/1.e6 ! C-correction factor |
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146 | c |
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147 | v_sed=v_stokes*CC ! m/sec !orig |
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148 | c |
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149 | c---------check for v_sed*dt<zdz |
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150 | c |
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151 | IF (v_sed*time_step>zdz(i,k)) THEN |
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152 | v_sed=zdz(i,k)/time_step |
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153 | ENDIF |
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154 | c |
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155 | v_dep_ss(i,k)= v_sed |
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156 | sed_flux(i,k)= tr_seri(i,k,id_coss)*v_sed !g/cm3*m/sec |
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157 | !sed_ss3D(i,k)= -sed_flux(i,k)/zdz(i,k) !g/cm3*sec !!!!!!! |
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158 | ! conc_sed_ss3D(i,k)=sed_flux(i,k)*1.e6 !g/m3*sec !!!!!!! |
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159 | c |
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160 | ENDDO !klon |
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161 | ENDDO !klev |
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162 | c |
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163 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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164 | sed_ss3D(:,:)=0.0 ! initialisation |
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165 | |
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166 | DO k=1, klev |
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167 | DO i=1, klon |
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168 | sed_ss3D(i,k)=sed_ss3D(i,k)- |
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169 | . sed_flux(i,k)/zdz(i,k) !!!!!!!!!!!!!!!!!!!!!! |
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170 | ENDDO !klon |
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171 | ENDDO !klev |
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172 | c |
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173 | DO k=1, klev-1 |
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174 | DO i=1, klon |
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175 | sed_ss3D(i,k)=sed_ss3D(i,k)+ |
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176 | . sed_flux(i,k+1)/zdz(i,k) !!!!!!!! |
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177 | |
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178 | ENDDO !klon |
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179 | ENDDO !klev |
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180 | |
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181 | DO k = 1, klev |
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182 | DO i = 1, klon |
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183 | tr_seri(i,k,id_coss)=tr_seri(i,k,id_coss)+ |
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184 | s sed_ss3D(i,k)*time_step |
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185 | ENDDO |
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186 | ENDDO |
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187 | |
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188 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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189 | c |
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190 | DO i=1, klon |
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191 | sed_ss(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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192 | ENDDO !klon |
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193 | ELSE |
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194 | DO i=1, klon |
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195 | sed_ss(i)=0. |
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196 | ENDDO |
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197 | ENDIF |
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198 | c |
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199 | c |
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200 | |
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201 | c--------- For dust ------------------ |
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202 | c |
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203 | c |
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204 | IF(id_codu>0) THEN |
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205 | DO k=1, klev |
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206 | DO i=1,klon |
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207 | c |
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208 | v_stokes=RG*(rho_dust-zrho(i,k))* !m/sec |
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209 | . mmd_dust*mmd_dust* |
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210 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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211 | c |
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212 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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213 | CC=1.0+1.257*lambda/(mmd_dust)/1.e6 !dimensionless |
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214 | v_sed=v_stokes*CC !m/sec |
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215 | c |
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216 | c---------check for v_sed*dt<zdz |
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217 | c |
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218 | IF (v_sed*time_step>zdz(i,k)) THEN |
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219 | v_sed=zdz(i,k)/time_step |
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220 | ENDIF |
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221 | |
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222 | c |
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223 | v_dep_dust(i,k)= v_sed |
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224 | sed_flux(i,k) = tr_seri(i,k,id_codu)*v_sed !g/cm3.m/sec |
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225 | !sed_dust3D(i,k)= -sed_flux(i,k)/zdz(i,k) !g/cm3*sec !!!!!!! |
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226 | c |
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227 | ENDDO !klon |
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228 | ENDDO !klev |
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229 | |
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230 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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231 | sed_dust3D(:,:)=0.0 ! initialisation |
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232 | |
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233 | DO k=1, klev |
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234 | DO i=1, klon |
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235 | sed_dust3D(i,k)=sed_dust3D(i,k)- |
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236 | . sed_flux(i,k)/zdz(i,k) |
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237 | ENDDO !klon |
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238 | ENDDO !klev |
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239 | |
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240 | c |
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241 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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242 | |
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243 | DO k=1, klev-1 |
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244 | DO i=1, klon |
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245 | sed_dust3D(i,k)=sed_dust3D(i,k) + |
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246 | . sed_flux(i,k+1)/zdz(i,k) |
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247 | ENDDO !klon |
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248 | ENDDO !klev |
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249 | c |
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250 | DO k = 1, klev |
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251 | DO i = 1, klon |
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252 | tr_seri(i,k,id_codu)=tr_seri(i,k,id_codu)+ |
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253 | s sed_dust3D(i,k)*time_step |
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254 | ENDDO |
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255 | ENDDO |
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256 | |
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257 | |
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258 | DO i=1, klon |
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259 | sed_dust(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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260 | ENDDO !klon |
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261 | ELSE |
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262 | DO i=1, klon |
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263 | sed_dust(i)=0. |
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264 | ENDDO |
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265 | ENDIF |
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266 | c |
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267 | |
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268 | |
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269 | c--------- For scoarse dust ------------------ |
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270 | c |
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271 | c |
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272 | IF(id_scdu>0) THEN |
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273 | DO k=1, klev |
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274 | DO i=1,klon |
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275 | c |
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276 | v_stokes=RG*(rho_dust-zrho(i,k))* !m/sec |
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277 | . mmd_dustsco*mmd_dustsco* |
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278 | . 1.e-12/(18.0*air_visco(i,k)/10.) |
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279 | c |
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280 | lambda=6.6*1.e-8*(103125/pplay(i,k))*(t_seri(i,k)/293.15) |
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281 | CC=1.0+1.257*lambda/(mmd_dustsco)/1.e6 !dimensionless |
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282 | v_sed=v_stokes*CC !m/sec |
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283 | c |
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284 | c---------check for v_sed*dt<zdz |
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285 | |
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286 | |
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287 | IF (v_sed*time_step>zdz(i,k)) THEN |
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288 | v_sed=zdz(i,k)/time_step |
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289 | ENDIF |
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290 | |
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291 | c |
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292 | v_dep_dustsco(i,k)= v_sed |
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293 | sed_flux(i,k) = tr_seri(i,k,id_scdu)*v_sed !g/cm3.m/sec |
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294 | !sed_dustsco3D(i,k)= -sed_flux(i,k)/zdz(i,k) !g/cm3*sec !!!!!!! |
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295 | c |
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296 | ENDDO !klon |
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297 | ENDDO !klev |
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298 | |
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299 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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300 | sed_dustsco3D(:,:)=0.0 ! initialisation |
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301 | |
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302 | DO k=1, klev |
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303 | DO i=1, klon |
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304 | sed_dustsco3D(i,k)=sed_dustsco3D(i,k)- |
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305 | . sed_flux(i,k)/zdz(i,k) |
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306 | ENDDO !klon |
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307 | ENDDO !klev |
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308 | c |
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309 | DO k=1, klev-1 |
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310 | DO i=1, klon |
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311 | sed_dustsco3D(i,k)=sed_dustsco3D(i,k) + |
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312 | . sed_flux(i,k+1)/zdz(i,k) |
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313 | ENDDO !klon |
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314 | ENDDO !klev |
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315 | |
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316 | DO k = 1, klev |
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317 | DO i = 1, klon |
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318 | tr_seri(i,k,id_scdu)=tr_seri(i,k,id_scdu)+ |
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319 | s sed_dustsco3D(i,k)*time_step |
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320 | ENDDO |
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321 | ENDDO |
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322 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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323 | |
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324 | |
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325 | c |
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326 | DO i=1, klon |
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327 | sed_dustsco(i)=sed_flux(i,1)*1.e6*1.e3 !--unit mg/m2/s |
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328 | ENDDO !klon |
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329 | ELSE |
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330 | DO i=1, klon |
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331 | sed_dustsco(i)=0. |
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332 | ENDDO |
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333 | ENDIF |
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334 | c |
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335 | |
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336 | |
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337 | |
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338 | |
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339 | c |
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340 | RETURN |
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341 | END |
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