1 | SUBROUTINE MIECALC_AER(tau_strat, piz_strat, cg_strat, tau_strat_wave, tau_lw_abs_rrtm, paprs, debut) |
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2 | |
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3 | !-------Mie computations for a size distribution |
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4 | ! of homogeneous spheres. |
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5 | ! |
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6 | !========================================================== |
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7 | !--Ref : Toon and Ackerman, Applied Optics, 1981 |
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8 | ! Stephens, CSIRO, 1979 |
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9 | ! Attention : surdimensionement des tableaux |
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10 | ! to be compiled with double precision option (-r8 on Sun) |
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11 | ! AUTHOR: Olivier Boucher, Christoph Kleinschmitt |
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12 | !-------SIZE distribution properties---------------- |
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13 | !--sigma_g : geometric standard deviation |
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14 | !--r_0 : geometric number mean radius (um)/modal radius |
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15 | !--Ntot : total concentration in m-3 |
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16 | |
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17 | USE phys_local_var_mod, ONLY: tr_seri, mdw, alpha_bin, piz_bin, cg_bin |
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18 | USE aerophys, ONLY: dens_aer_dry, dens_aer_ref, V_rat |
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19 | USE aero_mod |
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20 | USE infotrac_phy, ONLY : nbtr, nbtr_bin, nbtr_sulgas, id_SO2_strat |
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21 | USE dimphy |
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22 | USE yomcst_mod_h , ONLY : RG, RPI |
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23 | USE mod_phys_lmdz_para, only: gather, scatter, bcast |
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24 | USE mod_grid_phy_lmdz, ONLY : klon_glo |
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25 | USE mod_phys_lmdz_mpi_data, ONLY : is_mpi_root |
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26 | USE print_control_mod, ONLY: prt_level, lunout |
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27 | |
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28 | IMPLICIT NONE |
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29 | |
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30 | ! Variable input |
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31 | LOGICAL,INTENT(IN) :: debut ! le flag de l'initialisation de la physique |
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32 | REAL,DIMENSION(klon,klev+1),INTENT(IN) :: paprs ! pression pour chaque inter-couche (en Pa) |
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33 | |
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34 | ! Stratospheric aerosols optical properties |
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35 | REAL, DIMENSION(klon,klev,nbands_sw_rrtm) :: tau_strat, piz_strat, cg_strat |
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36 | REAL, DIMENSION(klon,klev,nwave_sw+nwave_lw) :: tau_strat_wave |
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37 | REAL, DIMENSION(klon,klev,nbands_lw_rrtm) :: tau_lw_abs_rrtm |
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38 | |
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39 | !! REAL,DIMENSION(klon_glo,klev,nbtr) :: tr_seri_glo ! Concentration Traceur [U/KgA] |
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40 | |
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41 | ! local variables |
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42 | REAL Ntot |
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43 | PARAMETER (Ntot=1.0) |
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44 | LOGICAL, PARAMETER :: refr_ind_interpol = .TRUE. ! set interpolation of refractive index |
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45 | REAL r_0 ! aerosol particle radius [m] |
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46 | INTEGER bin_number, ilon, ilev |
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47 | REAL masse,volume,surface |
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48 | REAL rmin, rmax !----integral bounds in m |
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49 | |
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50 | !------------------------------------- |
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51 | |
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52 | COMPLEX m !----refractive index m=n_r-i*n_i |
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53 | INTEGER Nmax,Nstart !--number of iterations |
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54 | COMPLEX k2, k3, z1, z2 |
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55 | COMPLEX u1,u5,u6,u8 |
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56 | COMPLEX a(1:21000), b(1:21000) |
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57 | COMPLEX I |
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58 | INTEGER n !--loop index |
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59 | REAL nnn |
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60 | COMPLEX nn |
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61 | REAL Q_ext, Q_abs, Q_sca, g, omega !--parameters for radius r |
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62 | REAL x, x_old !--size parameter |
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63 | REAL r, r_lower, r_upper !--radius |
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64 | REAL sigma_sca, sigma_ext, sigma_abs |
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65 | REAL omegatot, gtot !--averaged parameters |
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66 | COMPLEX ksiz2(-1:21000), psiz2(1:21000) |
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67 | COMPLEX nu1z1(1:21010), nu1z2(1:21010) |
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68 | COMPLEX nu3z2(0:21000) |
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69 | REAL number, deltar |
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70 | INTEGER bin, Nbin, it |
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71 | PARAMETER (Nbin=10) |
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72 | LOGICAL smallx |
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73 | |
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74 | !---wavelengths STREAMER |
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75 | INTEGER Nwv, NwvmaxSW |
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76 | PARAMETER (NwvmaxSW=24) |
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77 | REAL lambda(1:NwvmaxSW+1) |
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78 | DATA lambda/0.28E-6, 0.30E-6, 0.33E-6, 0.36E-6, 0.40E-6, & |
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79 | 0.44E-6, 0.48E-6, 0.52E-6, 0.57E-6, 0.64E-6, & |
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80 | 0.69E-6, 0.75E-6, 0.78E-6, 0.87E-6, 1.00E-6, & |
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81 | 1.10E-6, 1.19E-6, 1.28E-6, 1.53E-6, 1.64E-6, & |
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82 | 2.13E-6, 2.38E-6, 2.91E-6, 3.42E-6, 4.00E-6/ |
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83 | |
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84 | !---wavelengths de references |
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85 | !---be careful here the 5th wavelength is 1020 nm |
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86 | INTEGER nb |
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87 | REAL lambda_ref(nwave_sw+nwave_lw) |
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88 | DATA lambda_ref /0.443E-6,0.550E-6,0.670E-6, & |
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89 | 0.765E-6,1.020E-6,10.E-6/ |
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90 | |
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91 | !--LW |
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92 | INTEGER NwvmaxLW |
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93 | PARAMETER (NwvmaxLW=500) |
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94 | REAL Tb, hh, cc, kb |
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95 | PARAMETER (Tb=220.0, hh=6.62607e-34) |
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96 | PARAMETER (cc=2.99792e8, kb=1.38065e-23) |
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97 | |
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98 | !---TOA fluxes - Streamer Cs |
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99 | REAL weight(1:NwvmaxSW), weightLW |
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100 | !c DATA weight/0.839920E1, 0.231208E2, 0.322393E2, 0.465058E2, |
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101 | !c . 0.678199E2, 0.798964E2, 0.771359E2, 0.888472E2, |
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102 | !c . 0.115281E3, 0.727565E2, 0.816992E2, 0.336172E2, |
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103 | !c . 0.914603E2, 0.112706E3, 0.658840E2, 0.524470E2, |
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104 | !c . 0.391067E2, 0.883864E2, 0.276672E2, 0.681812E2, |
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105 | !c . 0.190966E2, 0.250766E2, 0.128704E2, 0.698720E1/ |
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106 | !---TOA fluxes - Tad |
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107 | DATA weight/ 4.20, 11.56, 16.12, 23.25, 33.91, 39.95, 38.57, & |
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108 | 44.42, 57.64, 29.36, 47.87, 16.81, 45.74, 56.35, & |
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109 | 32.94, 26.22, 19.55, 44.19, 13.83, 34.09, 9.55, & |
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110 | 12.54, 6.44, 3.49/ |
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111 | !C---BOA fluxes - Tad |
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112 | !c DATA weight/ 0.01, 4.05, 9.51, 15.99, 26.07, 33.10, 33.07, |
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113 | !c . 39.91, 52.67, 27.89, 43.60, 13.67, 42.22, 40.12, |
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114 | !c . 32.70, 14.44, 19.48, 14.23, 13.43, 16.42, 8.33, |
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115 | !c . 0.95, 0.65, 2.76/ |
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116 | |
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117 | REAL lambda_int(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW), ll |
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118 | REAL dlambda_int(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW), dl |
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119 | |
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120 | REAL n_r(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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121 | REAL n_i(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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122 | |
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123 | REAL ilambda, ilambda_prev, ilambda_max, ilambda_min |
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124 | REAL n_r_h2so4, n_i_h2so4 |
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125 | REAL n_r_h2so4_prev, n_i_h2so4_prev |
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126 | |
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127 | REAL final_a(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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128 | REAL final_g(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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129 | REAL final_w(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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130 | |
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131 | INTEGER band, bandSW, bandLW, wavenumber |
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132 | |
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133 | !---wavelengths SW RRTM |
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134 | REAL wv_rrtm_SW(nbands_sw_rrtm+1) |
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135 | DATA wv_rrtm_SW/ 0.185E-6, 0.25E-6, 0.44E-6, 0.69E-6, & |
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136 | 1.19E-6, 2.38E-6, 4.00E-6/ |
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137 | |
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138 | !---wavenumbers and wavelengths LW RRTM |
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139 | REAL wn_rrtm(nbands_lw_rrtm+1), wv_rrtm(nbands_lw_rrtm+1) |
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140 | DATA wn_rrtm/ 10., 250., 500., 630., 700., 820., & |
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141 | 980., 1080., 1180., 1390., 1480., 1800., & |
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142 | 2080., 2250., 2380., 2600., 3000./ |
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143 | |
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144 | !--GCM results |
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145 | REAL gcm_a(nbands_sw_rrtm+nbands_lw_rrtm) |
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146 | REAL gcm_g(nbands_sw_rrtm+nbands_lw_rrtm) |
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147 | REAL gcm_w(nbands_sw_rrtm+nbands_lw_rrtm) |
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148 | REAL gcm_weight_a(nbands_sw_rrtm+nbands_lw_rrtm) |
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149 | REAL gcm_weight_g(nbands_sw_rrtm+nbands_lw_rrtm) |
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150 | REAL gcm_weight_w(nbands_sw_rrtm+nbands_lw_rrtm) |
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151 | |
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152 | REAL ss_a(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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153 | REAL ss_w(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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154 | REAL ss_g(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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155 | |
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156 | !-- fichier h2so4_0.75_300.00_hummel_1988_p_q.dat |
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157 | ! -- wavenumber (cm-1), wavelength (um), n_r, n_i |
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158 | INTEGER, PARAMETER :: nb_lambda_h2so4=62 |
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159 | REAL, DIMENSION (nb_lambda_h2so4,4) :: ref_ind |
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160 | |
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161 | !--------------------------------------------------------- |
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162 | |
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163 | IF (debut) THEN |
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164 | |
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165 | ref_ind = RESHAPE( (/ & |
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166 | 200.000, 50.0000, 2.01000, 6.5000E-01, & |
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167 | 250.000, 40.0000, 1.94000, 6.3000E-01, & |
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168 | 285.714, 35.0000, 1.72000, 5.2000E-01, & |
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169 | 333.333, 30.0000, 1.73000, 2.9000E-01, & |
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170 | 358.423, 27.9000, 1.78000, 2.5000E-01, & |
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171 | 400.000, 25.0000, 1.84000, 2.4000E-01, & |
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172 | 444.444, 22.5000, 1.82000, 2.9000E-01, & |
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173 | 469.484, 21.3000, 1.79000, 2.5000E-01, & |
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174 | 500.000, 20.0000, 1.81000, 2.3000E-01, & |
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175 | 540.541, 18.5000, 1.92700, 3.0200E-01, & |
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176 | 555.556, 18.0000, 1.95000, 4.1000E-01, & |
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177 | 581.395, 17.2000, 1.72400, 5.9000E-01, & |
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178 | 609.756, 16.4000, 1.52000, 4.1400E-01, & |
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179 | 666.667, 15.0000, 1.59000, 2.1100E-01, & |
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180 | 675.676, 14.8000, 1.61000, 2.0500E-01, & |
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181 | 714.286, 14.0000, 1.64000, 1.9500E-01, & |
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182 | 769.231, 13.0000, 1.69000, 1.9500E-01, & |
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183 | 800.000, 12.5000, 1.74000, 1.9800E-01, & |
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184 | 869.565, 11.5000, 1.89000, 3.7400E-01, & |
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185 | 909.091, 11.0000, 1.67000, 4.8500E-01, & |
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186 | 944.198, 10.5910, 1.72000, 3.4000E-01, & |
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187 | 1000.000, 10.0000, 1.89000, 4.5500E-01, & |
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188 | 1020.408, 9.8000, 1.91000, 6.8000E-01, & |
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189 | 1052.632, 9.5000, 1.67000, 7.5000E-01, & |
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190 | 1086.957, 9.2000, 1.60000, 5.8600E-01, & |
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191 | 1111.111, 9.0000, 1.65000, 6.3300E-01, & |
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192 | 1149.425, 8.7000, 1.53000, 7.7200E-01, & |
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193 | 1176.471, 8.5000, 1.37000, 7.5500E-01, & |
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194 | 1219.512, 8.2000, 1.20000, 6.4500E-01, & |
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195 | 1265.823, 7.9000, 1.14000, 4.8800E-01, & |
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196 | 1388.889, 7.2000, 1.21000, 1.7600E-01, & |
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197 | 1538.462, 6.5000, 1.37000, 1.2800E-01, & |
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198 | 1612.903, 6.2000, 1.42400, 1.6500E-01, & |
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199 | 1666.667, 6.0000, 1.42500, 1.9500E-01, & |
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200 | 1818.182, 5.5000, 1.33700, 1.8300E-01, & |
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201 | 2000.000, 5.0000, 1.36000, 1.2100E-01, & |
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202 | 2222.222, 4.5000, 1.38500, 1.2000E-01, & |
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203 | 2500.000, 4.0000, 1.39800, 1.2600E-01, & |
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204 | 2666.667, 3.7500, 1.39600, 1.3100E-01, & |
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205 | 2857.143, 3.5000, 1.37600, 1.5800E-01, & |
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206 | 2948.113, 3.3920, 1.35200, 1.5900E-01, & |
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207 | 3125.000, 3.2000, 1.31100, 1.3500E-01, & |
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208 | 3333.333, 3.0000, 1.29300, 9.5500E-02, & |
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209 | 3703.704, 2.7000, 1.30300, 5.7000E-03, & |
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210 | 4000.000, 2.5000, 1.34400, 3.7600E-03, & |
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211 | 4444.444, 2.2500, 1.37000, 1.8000E-03, & |
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212 | 5000.000, 2.0000, 1.38400, 1.2600E-03, & |
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213 | 5555.556, 1.8000, 1.39000, 5.5000E-04, & |
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214 | 6510.417, 1.5360, 1.40300, 1.3700E-04, & |
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215 | 7692.308, 1.3000, 1.41000, 1.0000E-05, & |
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216 | 9433.962, 1.0600, 1.42000, 1.5000E-06, & |
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217 | 11627.907, 0.8600, 1.42500, 1.7900E-07, & |
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218 | 14409.222, 0.6940, 1.42800, 1.9900E-08, & |
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219 | 15797.788, 0.6330, 1.42900, 1.4700E-08, & |
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220 | 18181.818, 0.5500, 1.43000, 1.0000E-08, & |
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221 | 19417.476, 0.5150, 1.43100, 1.0000E-08, & |
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222 | 20491.803, 0.4880, 1.43200, 1.0000E-08, & |
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223 | 25000.000, 0.4000, 1.44000, 1.0000E-08, & |
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224 | 29673.591, 0.3370, 1.45900, 1.0000E-08, & |
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225 | 33333.333, 0.3000, 1.46900, 1.0000E-08, & |
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226 | 40000.000, 0.2500, 1.48400, 1.0000E-08, & |
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227 | 50000.000, 0.2000, 1.49800, 1.0000E-08 /), (/nb_lambda_h2so4,4/), order=(/2,1/) ) |
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228 | |
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229 | !--compute particle radius for a composition of 75% H2SO4 / 25% H2O at T=293K |
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230 | DO bin_number=1, nbtr_bin |
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231 | r_0=(dens_aer_dry/dens_aer_ref/0.75)**(1./3.)*mdw(bin_number)/2. |
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232 | !--integral boundaries set to bin boundaries |
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233 | rmin=r_0/sqrt(V_rat**(1./3.)) |
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234 | rmax=r_0*sqrt(V_rat**(1./3.)) |
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235 | |
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236 | !--set up SW |
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237 | DO Nwv=1, NwvmaxSW |
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238 | lambda_int(Nwv)=( lambda(Nwv)+lambda(Nwv+1) ) /2. |
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239 | ENDDO |
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240 | |
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241 | DO nb=1, nwave_sw+nwave_lw |
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242 | lambda_int(NwvmaxSW+nb)=lambda_ref(nb) |
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243 | ENDDO |
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244 | |
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245 | !--set up LW |
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246 | !--conversion wavenumber in cm-1 to wavelength in m |
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247 | DO Nwv=1, nbands_lw_rrtm+1 |
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248 | wv_rrtm(Nwv)=10000./wn_rrtm(Nwv)*1.e-6 |
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249 | ENDDO |
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250 | |
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251 | DO Nwv=1, NwvmaxLW |
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252 | lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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253 | exp( log(wv_rrtm(1))+float(Nwv-1)/float(NwvmaxLW-1)* & |
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254 | (log(wv_rrtm(nbands_lw_rrtm+1))-log(wv_rrtm(1))) ) |
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255 | ENDDO |
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256 | |
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257 | !--computing the dlambdas |
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258 | Nwv=1 |
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259 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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260 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)- & |
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261 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv+1) |
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262 | DO Nwv=2, NwvmaxLW-1 |
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263 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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264 | & (lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv-1)- & |
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265 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv+1))/2. |
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266 | ENDDO |
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267 | Nwv=NwvmaxLW |
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268 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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269 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv-1)- & |
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270 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv) |
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271 | |
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272 | IF (refr_ind_interpol) THEN |
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273 | |
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274 | ilambda_max=ref_ind(1,2)/1.e6 !--in m |
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275 | ilambda_min=ref_ind(nb_lambda_h2so4,2)/1.e6 !--in m |
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276 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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277 | IF (lambda_int(Nwv).GT.ilambda_max) THEN |
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278 | !for lambda out of data range, take boundary values |
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279 | n_r(Nwv)=ref_ind(1,3) |
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280 | n_i(Nwv)=ref_ind(1,4) |
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281 | ELSEIF (lambda_int(Nwv).LE.ilambda_min) THEN |
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282 | n_r(Nwv)=ref_ind(nb_lambda_h2so4,3) |
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283 | n_i(Nwv)=ref_ind(nb_lambda_h2so4,4) |
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284 | ELSE |
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285 | DO nb=2,nb_lambda_h2so4 |
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286 | ilambda=ref_ind(nb,2)/1.e6 |
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287 | ilambda_prev=ref_ind(nb-1,2)/1.e6 |
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288 | n_r_h2so4=ref_ind(nb,3) |
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289 | n_r_h2so4_prev=ref_ind(nb-1,3) |
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290 | n_i_h2so4=ref_ind(nb,4) |
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291 | n_i_h2so4_prev=ref_ind(nb-1,4) |
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292 | IF (lambda_int(Nwv).GT.ilambda.AND. & |
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293 | lambda_int(Nwv).LE.ilambda_prev) THEN !--- linear interpolation |
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294 | n_r(Nwv)=n_r_h2so4+(lambda_int(Nwv)-ilambda)/ & |
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295 | (ilambda_prev-ilambda)*(n_r_h2so4_prev-n_r_h2so4) |
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296 | n_i(Nwv)=n_i_h2so4+(lambda_int(Nwv)-ilambda)/ & |
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297 | (ilambda_prev-ilambda)*(n_i_h2so4_prev-n_i_h2so4) |
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298 | ENDIF |
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299 | ENDDO |
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300 | ENDIF |
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301 | ENDDO |
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302 | |
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303 | ELSE !-- no refr_ind_interpol, closest neighbour from upper wavelength |
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304 | |
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305 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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306 | n_r(Nwv)=ref_ind(1,3) |
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307 | n_i(Nwv)=ref_ind(1,4) |
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308 | DO nb=2,nb_lambda_h2so4 |
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309 | IF (ref_ind(nb,2)/1.e6.GT.lambda_int(Nwv)) THEN !--- step function |
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310 | n_r(Nwv)=ref_ind(nb,3) |
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311 | n_i(Nwv)=ref_ind(nb,4) |
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312 | ENDIF |
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313 | ENDDO |
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314 | ENDDO |
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315 | ENDIF |
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316 | |
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317 | !---Loop on wavelengths |
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318 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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319 | |
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320 | m=CMPLX(n_r(Nwv),-n_i(Nwv)) |
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321 | |
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322 | I=CMPLX(0.,1.) |
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323 | |
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324 | sigma_sca=0.0 |
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325 | sigma_ext=0.0 |
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326 | sigma_abs=0.0 |
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327 | gtot=0.0 |
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328 | omegatot=0.0 |
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329 | masse = 0.0 |
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330 | volume=0.0 |
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331 | surface=0.0 |
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332 | |
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333 | DO bin=1, Nbin !---loop on size bins |
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334 | |
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335 | r_lower=exp(log(rmin)+FLOAT(bin-1)/FLOAT(Nbin)*(log(rmax)-log(rmin))) |
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336 | r_upper=exp(log(rmin)+FLOAT(bin)/FLOAT(Nbin)*(log(rmax)-log(rmin))) |
---|
337 | deltar=r_upper-r_lower |
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338 | |
---|
339 | r=sqrt(r_lower*r_upper) |
---|
340 | x=2.*RPI*r/lambda_int(Nwv) |
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341 | |
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342 | !we impose a minimum value for x and extrapolate quantities for small x values |
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343 | smallx = .FALSE. |
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344 | IF (x.LT.0.001) THEN |
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345 | smallx = .TRUE. |
---|
346 | x_old = x |
---|
347 | x = 0.001 |
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348 | ENDIF |
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349 | |
---|
350 | number=Ntot*deltar/(rmax-rmin) !dN/dr constant over tracer bin |
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351 | ! masse=masse +4./3.*RPI*(r**3)*number*deltar*ropx*1.E3 !--g/m3 |
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352 | volume=volume+4./3.*RPI*(r**3)*number*deltar |
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353 | surface=surface+4.*RPI*r**2*number*deltar |
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354 | |
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355 | k2=m |
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356 | k3=CMPLX(1.0,0.0) |
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357 | |
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358 | z2=CMPLX(x,0.0) |
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359 | z1=m*z2 |
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360 | |
---|
361 | IF (0.0.LE.x.AND.x.LE.8.) THEN |
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362 | Nmax=INT(x+4*x**(1./3.)+1.)+2 |
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363 | ELSEIF (8..LT.x.AND.x.LT.4200.) THEN |
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364 | Nmax=INT(x+4.05*x**(1./3.)+2.)+1 |
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365 | ELSEIF (4200..LE.x.AND.x.LE.20000.) THEN |
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366 | Nmax=INT(x+4*x**(1./3.)+2.)+1 |
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367 | ELSE |
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368 | WRITE(lunout,*) 'x out of bound, x=', x |
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369 | STOP |
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370 | ENDIF |
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371 | |
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372 | Nstart=Nmax+100 |
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373 | |
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374 | !-----------loop for nu1z1, nu1z2 |
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375 | |
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376 | nu1z1(Nstart)=CMPLX(0.0,0.0) |
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377 | nu1z2(Nstart)=CMPLX(0.0,0.0) |
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378 | DO n=Nstart-1, 1 , -1 |
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379 | nn=CMPLX(FLOAT(n),0.0) |
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380 | nu1z1(n)=(nn+1.)/z1 - 1./( (nn+1.)/z1 + nu1z1(n+1) ) |
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381 | nu1z2(n)=(nn+1.)/z2 - 1./( (nn+1.)/z2 + nu1z2(n+1) ) |
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382 | ENDDO |
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383 | |
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384 | !------------loop for nu3z2 |
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385 | |
---|
386 | nu3z2(0)=-I |
---|
387 | DO n=1, Nmax |
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388 | nn=CMPLX(FLOAT(n),0.0) |
---|
389 | nu3z2(n)=-nn/z2 + 1./ (nn/z2 - nu3z2(n-1) ) |
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390 | ENDDO |
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391 | |
---|
392 | !-----------loop for psiz2 and ksiz2 (z2) |
---|
393 | ksiz2(-1)=COS(REAL(z2))-I*SIN(REAL(z2)) |
---|
394 | ksiz2(0)=SIN(REAL(z2))+I*COS(REAL(z2)) |
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395 | DO n=1,Nmax |
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396 | nn=CMPLX(FLOAT(n),0.0) |
---|
397 | ksiz2(n)=(2.*nn-1.)/z2 * ksiz2(n-1) - ksiz2(n-2) |
---|
398 | psiz2(n)=CMPLX(REAL(ksiz2(n)),0.0) |
---|
399 | ENDDO |
---|
400 | |
---|
401 | !-----------loop for a(n) and b(n) |
---|
402 | |
---|
403 | DO n=1, Nmax |
---|
404 | u1=k3*nu1z1(n) - k2*nu1z2(n) |
---|
405 | u5=k3*nu1z1(n) - k2*nu3z2(n) |
---|
406 | u6=k2*nu1z1(n) - k3*nu1z2(n) |
---|
407 | u8=k2*nu1z1(n) - k3*nu3z2(n) |
---|
408 | a(n)=psiz2(n)/ksiz2(n) * u1/u5 |
---|
409 | b(n)=psiz2(n)/ksiz2(n) * u6/u8 |
---|
410 | ENDDO |
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411 | |
---|
412 | !-----------------final loop-------------- |
---|
413 | Q_ext=0.0 |
---|
414 | Q_sca=0.0 |
---|
415 | g=0.0 |
---|
416 | |
---|
417 | DO n=Nmax-1,1,-1 |
---|
418 | nnn=FLOAT(n) |
---|
419 | Q_ext=Q_ext+ (2.*nnn+1.) * REAL( a(n)+b(n) ) |
---|
420 | Q_sca=Q_sca+ (2.*nnn+1.) * & |
---|
421 | REAL( a(n)*CONJG(a(n)) + b(n)*CONJG(b(n)) ) |
---|
422 | g=g + nnn*(nnn+2.)/(nnn+1.) * & |
---|
423 | REAL( a(n)*CONJG(a(n+1))+b(n)*CONJG(b(n+1)) ) + & |
---|
424 | (2.*nnn+1.)/nnn/(nnn+1.) * REAL(a(n)*CONJG(b(n))) |
---|
425 | ENDDO |
---|
426 | |
---|
427 | Q_ext=2./x**2 * Q_ext |
---|
428 | Q_sca=2./x**2 * Q_sca |
---|
429 | !--extrapolation in case of small x values |
---|
430 | IF (smallx) THEN |
---|
431 | Q_ext = x_old/x * Q_ext |
---|
432 | Q_sca = x_old/x * Q_sca |
---|
433 | ENDIF |
---|
434 | |
---|
435 | Q_abs=Q_ext-Q_sca |
---|
436 | |
---|
437 | IF (AIMAG(m).EQ.0.0) Q_abs=0.0 |
---|
438 | omega=Q_sca/Q_ext |
---|
439 | |
---|
440 | ! g is wrong in the smallx case (but that does not matter as long as we ignore LW scattering) |
---|
441 | g=g*4./x**2/Q_sca |
---|
442 | |
---|
443 | sigma_sca=sigma_sca+r**2*Q_sca*number |
---|
444 | sigma_abs=sigma_abs+r**2*Q_abs*number |
---|
445 | sigma_ext=sigma_ext+r**2*Q_ext*number |
---|
446 | omegatot=omegatot+r**2*Q_ext*omega*number |
---|
447 | gtot =gtot+r**2*Q_sca*g*number |
---|
448 | |
---|
449 | ENDDO !---bin |
---|
450 | |
---|
451 | !------------------------------------------------------------------ |
---|
452 | |
---|
453 | sigma_sca=RPI*sigma_sca |
---|
454 | sigma_abs=RPI*sigma_abs |
---|
455 | sigma_ext=RPI*sigma_ext |
---|
456 | gtot=RPI*gtot/sigma_sca |
---|
457 | omegatot=RPI*omegatot/sigma_ext |
---|
458 | |
---|
459 | final_g(Nwv)=gtot |
---|
460 | final_w(Nwv)=omegatot |
---|
461 | ! final_a(Nwv)=sigma_ext/masse |
---|
462 | final_a(Nwv)=sigma_ext !extinction/absorption cross section per particle |
---|
463 | |
---|
464 | ENDDO !--loop on wavelength |
---|
465 | |
---|
466 | !---averaging over LMDZ wavebands |
---|
467 | |
---|
468 | DO band=1, nbands_sw_rrtm+nbands_lw_rrtm |
---|
469 | gcm_a(band)=0.0 |
---|
470 | gcm_g(band)=0.0 |
---|
471 | gcm_w(band)=0.0 |
---|
472 | gcm_weight_a(band)=0.0 |
---|
473 | gcm_weight_g(band)=0.0 |
---|
474 | gcm_weight_w(band)=0.0 |
---|
475 | ENDDO |
---|
476 | |
---|
477 | !---band 1 is now in the UV, so we take the first wavelength as being representative |
---|
478 | DO Nwv=1,1 |
---|
479 | bandSW=1 |
---|
480 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
---|
481 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
---|
482 | gcm_w(bandSW)=gcm_w(bandSW)+final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
---|
483 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+final_a(Nwv)*weight(Nwv) |
---|
484 | gcm_g(bandSW)=gcm_g(bandSW)+final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
---|
485 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
---|
486 | ENDDO |
---|
487 | |
---|
488 | DO Nwv=1,NwvmaxSW |
---|
489 | |
---|
490 | IF (lambda_int(Nwv).LE.wv_rrtm_SW(3)) THEN !--RRTM spectral interval 2 |
---|
491 | bandSW=2 |
---|
492 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(4)) THEN !--RRTM spectral interval 3 |
---|
493 | bandSW=3 |
---|
494 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(5)) THEN !--RRTM spectral interval 4 |
---|
495 | bandSW=4 |
---|
496 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(6)) THEN !--RRTM spectral interval 5 |
---|
497 | bandSW=5 |
---|
498 | ELSE !--RRTM spectral interval 6 |
---|
499 | bandSW=6 |
---|
500 | ENDIF |
---|
501 | |
---|
502 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
---|
503 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
---|
504 | gcm_w(bandSW)=gcm_w(bandSW)+final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
---|
505 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+final_a(Nwv)*weight(Nwv) |
---|
506 | gcm_g(bandSW)=gcm_g(bandSW)+final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
---|
507 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
---|
508 | |
---|
509 | ENDDO |
---|
510 | |
---|
511 | DO Nwv=NwvmaxSW+nwave_sw+nwave_lw+1,NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
---|
512 | ll=lambda_int(Nwv) |
---|
513 | dl=dlambda_int(Nwv) |
---|
514 | weightLW=1./ll**5./(exp(hh*cc/kb/Tb/ll)-1.)*dl |
---|
515 | bandLW=1 !--default value starting from the highest lambda |
---|
516 | DO band=2, nbands_lw_rrtm |
---|
517 | IF (ll.LT.wv_rrtm(band)) THEN !--as long as |
---|
518 | bandLW=band |
---|
519 | ENDIF |
---|
520 | ENDDO |
---|
521 | gcm_a(nbands_sw_rrtm+bandLW)=gcm_a(nbands_sw_rrtm+bandLW)+final_a(Nwv)* & |
---|
522 | (1.-final_w(Nwv))*weightLW |
---|
523 | gcm_weight_a(nbands_sw_rrtm+bandLW)=gcm_weight_a(nbands_sw_rrtm+bandLW)+weightLW |
---|
524 | |
---|
525 | gcm_w(nbands_sw_rrtm+bandLW)=gcm_w(nbands_sw_rrtm+bandLW)+final_w(Nwv)* & |
---|
526 | final_a(Nwv)*weightLW |
---|
527 | gcm_weight_w(nbands_sw_rrtm+bandLW)=gcm_weight_w(nbands_sw_rrtm+bandLW)+ & |
---|
528 | final_a(Nwv)*weightLW |
---|
529 | |
---|
530 | gcm_g(nbands_sw_rrtm+bandLW)=gcm_g(nbands_sw_rrtm+bandLW)+final_g(Nwv)* & |
---|
531 | final_a(Nwv)*final_w(Nwv)*weightLW |
---|
532 | gcm_weight_g(nbands_sw_rrtm+bandLW)=gcm_weight_g(nbands_sw_rrtm+bandLW)+ & |
---|
533 | final_a(Nwv)*final_w(Nwv)*weightLW |
---|
534 | ENDDO |
---|
535 | |
---|
536 | DO band=1, nbands_sw_rrtm+nbands_lw_rrtm |
---|
537 | gcm_a(band)=gcm_a(band)/gcm_weight_a(band) |
---|
538 | gcm_w(band)=gcm_w(band)/gcm_weight_w(band) |
---|
539 | gcm_g(band)=gcm_g(band)/gcm_weight_g(band) |
---|
540 | ss_a(band)=gcm_a(band) |
---|
541 | ss_w(band)=gcm_w(band) |
---|
542 | ss_g(band)=gcm_g(band) |
---|
543 | ENDDO |
---|
544 | |
---|
545 | DO nb=1, nwave_sw+nwave_lw |
---|
546 | ss_a(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_a(NwvmaxSW+nb) |
---|
547 | ss_w(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_w(NwvmaxSW+nb) |
---|
548 | ss_g(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_g(NwvmaxSW+nb) |
---|
549 | ENDDO |
---|
550 | |
---|
551 | DO nb=1,nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw |
---|
552 | alpha_bin(nb,bin_number)=ss_a(nb) !extinction/absorption cross section per particle |
---|
553 | piz_bin(nb,bin_number)=ss_w(nb) |
---|
554 | cg_bin(nb,bin_number)=ss_g(nb) |
---|
555 | ENDDO |
---|
556 | |
---|
557 | ENDDO !loop over tracer bins |
---|
558 | |
---|
559 | !!$OMP END MASTER |
---|
560 | ! CALL bcast(alpha_bin) |
---|
561 | ! CALL bcast(piz_bin) |
---|
562 | ! CALL bcast(cg_bin) |
---|
563 | !!$OMP BARRIER |
---|
564 | |
---|
565 | !set to default values at first time step (tr_seri still zero) |
---|
566 | tau_strat(:,:,:)=1.e-15 |
---|
567 | piz_strat(:,:,:)=1.0 |
---|
568 | cg_strat(:,:,:)=0.0 |
---|
569 | tau_lw_abs_rrtm(:,:,:)=1.e-15 |
---|
570 | tau_strat_wave(:,:,:)=1.e-15 |
---|
571 | |
---|
572 | ELSE !-- not debut |
---|
573 | |
---|
574 | !--compute optical properties of actual size distribution (from tr_seri) |
---|
575 | DO ilon=1,klon |
---|
576 | DO ilev=1, klev |
---|
577 | DO nb=1,nbands_sw_rrtm |
---|
578 | tau_strat(ilon,ilev,nb)=0.0 |
---|
579 | DO bin_number=1, nbtr_bin |
---|
580 | tau_strat(ilon,ilev,nb)=tau_strat(ilon,ilev,nb)+alpha_bin(nb,bin_number) & |
---|
581 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
---|
582 | ENDDO |
---|
583 | |
---|
584 | piz_strat(ilon,ilev,nb)=0.0 |
---|
585 | DO bin_number=1, nbtr_bin |
---|
586 | piz_strat(ilon,ilev,nb)=piz_strat(ilon,ilev,nb)+piz_bin(nb,bin_number)*alpha_bin(nb,bin_number) & |
---|
587 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
---|
588 | ENDDO |
---|
589 | piz_strat(ilon,ilev,nb)=piz_strat(ilon,ilev,nb)/MAX(tau_strat(ilon,ilev,nb),1.e-15) |
---|
590 | |
---|
591 | cg_strat(ilon,ilev,nb)=0.0 |
---|
592 | DO bin_number=1, nbtr_bin |
---|
593 | cg_strat(ilon,ilev,nb)=cg_strat(ilon,ilev,nb)+cg_bin(nb,bin_number)*piz_bin(nb,bin_number)*alpha_bin(nb,bin_number) & |
---|
594 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
---|
595 | ENDDO |
---|
596 | cg_strat(ilon,ilev,nb)=cg_strat(ilon,ilev,nb)/MAX(tau_strat(ilon,ilev,nb)*piz_strat(ilon,ilev,nb),1.e-15) |
---|
597 | ENDDO |
---|
598 | DO nb=1,nbands_lw_rrtm |
---|
599 | tau_lw_abs_rrtm(ilon,ilev,nb)=0.0 |
---|
600 | DO bin_number=1, nbtr_bin |
---|
601 | tau_lw_abs_rrtm(ilon,ilev,nb)=tau_lw_abs_rrtm(ilon,ilev,nb)+alpha_bin(nbands_sw_rrtm+nb,bin_number) & |
---|
602 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
---|
603 | ENDDO |
---|
604 | ENDDO |
---|
605 | DO nb=1,nwave_sw+nwave_lw |
---|
606 | tau_strat_wave(ilon,ilev,nb)=0.0 |
---|
607 | DO bin_number=1, nbtr_bin |
---|
608 | tau_strat_wave(ilon,ilev,nb)=tau_strat_wave(ilon,ilev,nb)+alpha_bin(nbands_sw_rrtm+nbands_lw_rrtm+nb,bin_number) & |
---|
609 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
---|
610 | ENDDO |
---|
611 | ENDDO |
---|
612 | ENDDO |
---|
613 | ENDDO |
---|
614 | |
---|
615 | ENDIF !debut |
---|
616 | |
---|
617 | END SUBROUTINE MIECALC_AER |
---|