1 | !================================================================== |
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2 | module radii_mod |
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3 | !================================================================== |
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4 | ! module to centralize the radii calculations for aerosols |
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5 | ! OK for water but should be extended to other aerosols (CO2,...) |
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6 | !================================================================== |
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7 | |
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8 | ! water cloud optical properties |
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9 | |
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10 | real, save :: rad_h2o |
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11 | real, save :: rad_h2o_ice |
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12 | real, save :: Nmix_h2o |
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13 | real, save :: Nmix_h2o_ice |
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14 | real, parameter :: coef_chaud=0.13 |
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15 | real, parameter :: coef_froid=0.09 |
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16 | |
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17 | |
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18 | contains |
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19 | |
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20 | |
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21 | !================================================================== |
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22 | subroutine su_aer_radii(ngrid,reffrad,nueffrad) |
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23 | !================================================================== |
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24 | ! Purpose |
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25 | ! ------- |
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26 | ! Compute the effective radii of liquid and icy water particles |
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27 | ! |
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28 | ! Authors |
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29 | ! ------- |
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30 | ! Jeremy Leconte (2012) |
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31 | ! |
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32 | !================================================================== |
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33 | ! to use 'getin' |
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34 | use ioipsl_getincom |
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35 | use radinc_h, only: naerkind |
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36 | use aerosol_mod |
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37 | ! USE tracer_h |
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38 | Implicit none |
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39 | |
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40 | #include "callkeys.h" |
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41 | #include "dimensions.h" |
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42 | #include "dimphys.h" |
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43 | |
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44 | integer,intent(in) :: ngrid |
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45 | |
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46 | real, intent(out) :: reffrad(ngrid,nlayermx,naerkind) !aerosols radii (K) |
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47 | real, intent(out) :: nueffrad(ngrid,nlayermx,naerkind) !variance |
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48 | |
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49 | logical, save :: firstcall=.true. |
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50 | integer :: iaer |
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51 | |
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52 | print*,'enter su_aer_radii' |
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53 | do iaer=1,naerkind |
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54 | ! these values will change once the microphysics gets to work |
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55 | ! UNLESS tracer=.false., in which case we should be working with |
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56 | ! a fixed aerosol layer, and be able to define reffrad in a |
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57 | ! .def file. To be improved! |
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58 | |
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59 | if(iaer.eq.iaero_co2)then ! CO2 ice |
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60 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-4 |
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61 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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62 | endif |
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63 | |
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64 | if(iaer.eq.iaero_h2o)then ! H2O ice |
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65 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-5 |
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66 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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67 | endif |
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68 | |
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69 | if(iaer.eq.iaero_dust)then ! dust |
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70 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-5 |
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71 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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72 | endif |
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73 | |
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74 | if(iaer.eq.iaero_h2so4)then ! H2O ice |
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75 | reffrad(1:ngrid,1:nlayermx,iaer) = 1.e-6 |
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76 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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77 | endif |
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78 | |
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79 | if(iaer.eq.iaero_back2lay)then ! Two-layer aerosols |
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80 | reffrad(1:ngrid,1:nlayermx,iaer) = 2.e-6 |
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81 | nueffrad(1:ngrid,1:nlayermx,iaer) = 0.1 |
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82 | endif |
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83 | |
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84 | |
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85 | |
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86 | if(iaer.gt.5)then |
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87 | print*,'Error in callcorrk, naerkind is too high (>5).' |
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88 | print*,'The code still needs generalisation to arbitrary' |
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89 | print*,'aerosol kinds and number.' |
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90 | call abort |
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91 | endif |
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92 | |
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93 | enddo |
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94 | |
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95 | |
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96 | if (radfixed) then |
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97 | |
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98 | write(*,*)"radius of H2O water particles:" |
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99 | rad_h2o=13. ! default value |
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100 | call getin("rad_h2o",rad_h2o) |
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101 | write(*,*)" rad_h2o = ",rad_h2o |
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102 | |
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103 | write(*,*)"radius of H2O ice particles:" |
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104 | rad_h2o_ice=35. ! default value |
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105 | call getin("rad_h2o_ice",rad_h2o_ice) |
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106 | write(*,*)" rad_h2o_ice = ",rad_h2o_ice |
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107 | |
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108 | else |
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109 | |
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110 | write(*,*)"Number mixing ratio of H2O water particles:" |
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111 | Nmix_h2o=1.e6 ! default value |
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112 | call getin("Nmix_h2o",Nmix_h2o) |
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113 | write(*,*)" Nmix_h2o = ",Nmix_h2o |
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114 | |
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115 | write(*,*)"Number mixing ratio of H2O ice particles:" |
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116 | Nmix_h2o_ice=Nmix_h2o ! default value |
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117 | call getin("Nmix_h2o_ice",Nmix_h2o_ice) |
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118 | write(*,*)" Nmix_h2o_ice = ",Nmix_h2o_ice |
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119 | endif |
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120 | |
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121 | print*,'exit su_aer_radii' |
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122 | |
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123 | end subroutine su_aer_radii |
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124 | !================================================================== |
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125 | |
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126 | |
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127 | !================================================================== |
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128 | subroutine h2o_reffrad(ngrid,pq,pt,reffrad,nueffrad) |
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129 | !================================================================== |
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130 | ! Purpose |
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131 | ! ------- |
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132 | ! Compute the effective radii of liquid and icy water particles |
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133 | ! |
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134 | ! Authors |
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135 | ! ------- |
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136 | ! Jeremy Leconte (2012) |
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137 | ! |
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138 | !================================================================== |
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139 | use watercommon_h, Only: T_h2O_ice_liq,T_h2O_ice_clouds,rhowater,rhowaterice |
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140 | Implicit none |
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141 | |
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142 | #include "callkeys.h" |
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143 | #include "dimensions.h" |
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144 | #include "dimphys.h" |
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145 | #include "comcstfi.h" |
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146 | |
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147 | integer,intent(in) :: ngrid |
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148 | |
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149 | real, intent(in) :: pq(ngrid,nlayermx) !water ice mixing ratios (kg/kg) |
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150 | real, intent(in) :: pt(ngrid,nlayermx) !temperature (K) |
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151 | real, intent(out) :: reffrad(ngrid,nlayermx) !aerosol radii |
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152 | real, intent(out) :: nueffrad(ngrid,nlayermx) ! dispersion |
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153 | |
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154 | integer :: ig,l |
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155 | real zfice ,zrad,zrad_liq,zrad_ice |
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156 | real,external :: CBRT |
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157 | |
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158 | |
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159 | if (radfixed) then |
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160 | do l=1,nlayermx |
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161 | do ig=1,ngrid |
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162 | zfice = 1.0 - (pt(ig,l)-T_h2O_ice_clouds) / (T_h2O_ice_liq-T_h2O_ice_clouds) |
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163 | zfice = MIN(MAX(zfice,0.0),1.0) |
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164 | reffrad(ig,l)= rad_h2o * (1.-zfice) + rad_h2o_ice * zfice |
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165 | nueffrad(ig,l) = coef_chaud * (1.-zfice) + coef_froid * zfice |
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166 | enddo |
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167 | enddo |
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168 | else |
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169 | do l=1,nlayermx |
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170 | do ig=1,ngrid |
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171 | zfice = 1.0 - (pt(ig,l)-T_h2O_ice_clouds) / (T_h2O_ice_liq-T_h2O_ice_clouds) |
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172 | zfice = MIN(MAX(zfice,0.0),1.0) |
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173 | zrad_liq = CBRT( 3*pq(ig,l)/(4*Nmix_h2o*pi*rhowater) ) |
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174 | zrad_ice = CBRT( 3*pq(ig,l)/(4*Nmix_h2o_ice*pi*rhowaterice) ) |
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175 | nueffrad(ig,l) = coef_chaud * (1.-zfice) + coef_froid * zfice |
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176 | zrad = zrad_liq * (1.-zfice) + zrad_ice * zfice |
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177 | |
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178 | reffrad(ig,l) = min(max(zrad,1.e-6),1000.e-6) |
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179 | enddo |
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180 | enddo |
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181 | end if |
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182 | |
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183 | end subroutine h2o_reffrad |
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184 | !================================================================== |
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185 | |
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186 | |
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187 | !================================================================== |
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188 | subroutine h2o_cloudrad(ngrid,pql,reffliq,reffice) |
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189 | !================================================================== |
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190 | ! Purpose |
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191 | ! ------- |
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192 | ! Compute the effective radii of liquid and icy water particles |
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193 | ! |
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194 | ! Authors |
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195 | ! ------- |
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196 | ! Jeremy Leconte (2012) |
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197 | ! |
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198 | !================================================================== |
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199 | use watercommon_h, Only: rhowater,rhowaterice |
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200 | Implicit none |
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201 | |
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202 | #include "callkeys.h" |
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203 | #include "dimensions.h" |
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204 | #include "dimphys.h" |
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205 | #include "comcstfi.h" |
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206 | |
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207 | integer,intent(in) :: ngrid |
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208 | |
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209 | real, intent(in) :: pql(ngrid,nlayermx) !condensed water mixing ratios (kg/kg) |
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210 | real, intent(out) :: reffliq(ngrid,nlayermx),reffice(ngrid,nlayermx) !liquid and ice water particle radii (K) |
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211 | |
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212 | real,external :: CBRT |
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213 | |
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214 | |
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215 | if (radfixed) then |
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216 | reffliq(1:ngrid,1:nlayermx)= rad_h2o |
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217 | reffice(1:ngrid,1:nlayermx)= rad_h2o_ice |
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218 | else |
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219 | reffliq(1:ngrid,1:nlayermx) = CBRT( 3*pql(1:ngrid,1:nlayermx)/(4*Nmix_h2o*pi*rhowater) ) |
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220 | reffliq(1:ngrid,1:nlayermx) = min(max(reffliq(1:ngrid,1:nlayermx),1.e-6),1000.e-6) |
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221 | reffice(1:ngrid,1:nlayermx) = CBRT( 3*pql(1:ngrid,1:nlayermx)/(4*Nmix_h2o_ice*pi*rhowaterice) ) |
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222 | reffice(1:ngrid,1:nlayermx) = min(max(reffice(1:ngrid,1:nlayermx),1.e-6),1000.e-6) |
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223 | end if |
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224 | |
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225 | end subroutine h2o_cloudrad |
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226 | !================================================================== |
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227 | |
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228 | |
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229 | |
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230 | !================================================================== |
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231 | subroutine co2_reffrad(ngrid,nq,pq,reffrad) |
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232 | !================================================================== |
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233 | ! Purpose |
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234 | ! ------- |
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235 | ! Compute the effective radii of co2 ice particles |
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236 | ! |
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237 | ! Authors |
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238 | ! ------- |
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239 | ! Jeremy Leconte (2012) |
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240 | ! |
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241 | !================================================================== |
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242 | USE tracer_h, only:igcm_co2_ice,rho_co2 |
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243 | Implicit none |
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244 | |
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245 | #include "callkeys.h" |
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246 | #include "dimensions.h" |
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247 | #include "dimphys.h" |
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248 | #include "comcstfi.h" |
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249 | |
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250 | integer,intent(in) :: ngrid,nq |
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251 | |
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252 | real, intent(in) :: pq(ngrid,nlayermx,nq) !tracer mixing ratios (kg/kg) |
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253 | real, intent(out) :: reffrad(ngrid,nlayermx) !co2 ice particles radii (K) |
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254 | |
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255 | integer :: ig,l |
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256 | real :: zrad |
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257 | real,external :: CBRT |
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258 | |
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259 | |
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260 | |
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261 | if (radfixed) then |
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262 | reffrad(1:ngrid,1:nlayermx) = 5.e-5 ! CO2 ice |
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263 | else |
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264 | do l=1,nlayermx |
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265 | do ig=1,ngrid |
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266 | zrad = CBRT( 3*pq(ig,l,igcm_co2_ice)/(4*Nmix_co2*pi*rho_co2) ) |
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267 | reffrad(ig,l) = min(max(zrad,1.e-6),100.e-6) |
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268 | enddo |
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269 | enddo |
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270 | end if |
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271 | |
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272 | end subroutine co2_reffrad |
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273 | !================================================================== |
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274 | |
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275 | |
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276 | |
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277 | !================================================================== |
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278 | subroutine dust_reffrad(ngrid,reffrad) |
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279 | !================================================================== |
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280 | ! Purpose |
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281 | ! ------- |
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282 | ! Compute the effective radii of dust particles |
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283 | ! |
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284 | ! Authors |
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285 | ! ------- |
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286 | ! Jeremy Leconte (2012) |
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287 | ! |
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288 | !================================================================== |
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289 | Implicit none |
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290 | |
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291 | #include "callkeys.h" |
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292 | #include "dimensions.h" |
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293 | #include "dimphys.h" |
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294 | |
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295 | integer,intent(in) :: ngrid |
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296 | |
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297 | real, intent(out) :: reffrad(ngrid,nlayermx) !dust particles radii (K) |
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298 | |
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299 | reffrad(1:ngrid,1:nlayermx) = 2.e-6 ! dust |
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300 | |
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301 | end subroutine dust_reffrad |
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302 | !================================================================== |
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303 | |
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304 | |
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305 | !================================================================== |
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306 | subroutine h2so4_reffrad(ngrid,reffrad) |
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307 | !================================================================== |
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308 | ! Purpose |
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309 | ! ------- |
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310 | ! Compute the effective radii of h2so4 particles |
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311 | ! |
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312 | ! Authors |
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313 | ! ------- |
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314 | ! Jeremy Leconte (2012) |
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315 | ! |
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316 | !================================================================== |
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317 | Implicit none |
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318 | |
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319 | #include "callkeys.h" |
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320 | #include "dimensions.h" |
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321 | #include "dimphys.h" |
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322 | |
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323 | integer,intent(in) :: ngrid |
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324 | |
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325 | real, intent(out) :: reffrad(ngrid,nlayermx) !h2so4 particle radii (K) |
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326 | |
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327 | reffrad(1:ngrid,1:nlayermx) = 1.e-6 ! h2so4 |
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328 | |
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329 | end subroutine h2so4_reffrad |
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330 | !================================================================== |
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331 | |
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332 | !================================================================== |
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333 | subroutine back2lay_reffrad(ngrid,reffrad,nlayer,pplev) |
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334 | !================================================================== |
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335 | ! Purpose |
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336 | ! ------- |
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337 | ! Compute the effective radii of particles in a 2-layer model |
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338 | ! |
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339 | ! Authors |
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340 | ! ------- |
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341 | ! Sandrine Guerlet (2013) |
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342 | ! |
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343 | !================================================================== |
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344 | |
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345 | use aerosol_mod !! Particle sizes and boundaries of aerosol layers defined there |
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346 | Implicit none |
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347 | |
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348 | #include "callkeys.h" |
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349 | #include "dimensions.h" |
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350 | #include "dimphys.h" |
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351 | |
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352 | integer,intent(in) :: ngrid |
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353 | |
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354 | real, intent(out) :: reffrad(ngrid,nlayermx) ! particle radii |
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355 | REAL,INTENT(IN) :: pplev(ngrid,nlayer+1) ! inter-layer pressure (Pa) |
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356 | INTEGER,INTENT(IN) :: nlayer ! number of atmospheric layers |
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357 | REAL :: expfactor |
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358 | INTEGER l,ig |
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359 | |
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360 | reffrad(:,:)=1e-6 !!initialization, not important |
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361 | DO ig=1,ngrid |
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362 | DO l=1,nlayer-1 |
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363 | IF (pplev(ig,l) .le. pres_bottom_tropo .and. pplev(ig,l) .ge. pres_top_tropo) THEN |
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364 | reffrad(ig,l) = size_tropo |
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365 | ELSEIF (pplev(ig,l) .lt. pres_top_tropo .and. pplev(ig,l) .gt. pres_bottom_strato) THEN |
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366 | expfactor=log(size_strato/size_tropo) / log(pres_bottom_strato/pres_top_tropo) |
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367 | reffrad(ig,l)= size_tropo*((pplev(ig,l)/pres_top_tropo)**expfactor) |
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368 | ELSEIF (pplev(ig,l) .le. pres_bottom_strato) then |
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369 | reffrad(ig,l) = size_strato |
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370 | ENDIF |
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371 | ENDDO |
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372 | ENDDO |
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373 | |
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374 | end subroutine back2lay_reffrad |
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375 | !================================================================== |
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376 | |
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377 | |
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378 | |
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379 | end module radii_mod |
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380 | !================================================================== |
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