| 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 |
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| 19 | USE aero_mod |
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| 20 | USE infotrac, ONLY : nbtr, nbtr_bin, nbtr_sulgas, id_SO2_strat |
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| 21 | USE dimphy |
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| 22 | USE YOMCST , 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 | |
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| 27 | IMPLICIT NONE |
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| 28 | |
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| 29 | ! Variable input |
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| 30 | LOGICAL,INTENT(IN) :: debut ! le flag de l'initialisation de la physique |
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| 31 | REAL,DIMENSION(klon,klev+1),INTENT(IN) :: paprs ! pression pour chaque inter-couche (en Pa) |
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| 32 | |
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| 33 | ! Stratospheric aerosols optical properties |
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| 34 | REAL, DIMENSION(klon,klev,nbands_sw_rrtm) :: tau_strat, piz_strat, cg_strat |
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| 35 | REAL, DIMENSION(klon,klev,nwave_sw+nwave_lw) :: tau_strat_wave |
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| 36 | REAL, DIMENSION(klon,klev,nbands_lw_rrtm) :: tau_lw_abs_rrtm |
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| 37 | |
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| 38 | !! REAL,DIMENSION(klon_glo,klev,nbtr) :: tr_seri_glo ! Concentration Traceur [U/KgA] |
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| 39 | |
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| 40 | ! local variables |
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| 41 | REAL Ntot |
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| 42 | PARAMETER (Ntot=1.0) |
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| 43 | LOGICAL, PARAMETER :: refr_ind_interpol = .TRUE. ! set interpolation of refractive index |
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| 44 | REAL r_0 ! aerosol particle radius [m] |
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| 45 | INTEGER bin_number, ilon, ilev |
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| 46 | REAL masse,volume,surface |
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| 47 | REAL rmin, rmax !----integral bounds in m |
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| 48 | |
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| 49 | !------------------------------------- |
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| 50 | |
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| 51 | COMPLEX m !----refractive index m=n_r-i*n_i |
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| 52 | INTEGER Nmax,Nstart !--number of iterations |
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| 53 | COMPLEX k2, k3, z1, z2 |
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| 54 | COMPLEX u1,u5,u6,u8 |
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| 55 | COMPLEX a(1:21000), b(1:21000) |
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| 56 | COMPLEX I |
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| 57 | INTEGER n !--loop index |
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| 58 | REAL nnn |
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| 59 | COMPLEX nn |
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| 60 | REAL Q_ext, Q_abs, Q_sca, g, omega !--parameters for radius r |
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| 61 | REAL x !--size parameter |
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| 62 | REAL r, r_lower, r_upper !--radius |
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| 63 | REAL sigma_sca, sigma_ext, sigma_abs |
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| 64 | REAL omegatot, gtot !--averaged parameters |
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| 65 | COMPLEX ksiz2(-1:21000), psiz2(1:21000) |
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| 66 | COMPLEX nu1z1(1:21010), nu1z2(1:21010) |
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| 67 | COMPLEX nu3z2(0:21000) |
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| 68 | REAL number, deltar |
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| 69 | INTEGER bin, Nbin, it |
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| 70 | PARAMETER (Nbin=10) |
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| 71 | |
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| 72 | !--has to be consistent with dataset |
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| 73 | INTEGER nb_lambda_h2so4 |
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| 74 | PARAMETER (nb_lambda_h2so4=62) !61, 235 |
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| 75 | |
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| 76 | !---wavelengths STREAMER |
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| 77 | INTEGER Nwv, NwvmaxSW |
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| 78 | PARAMETER (NwvmaxSW=24) |
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| 79 | REAL lambda(1:NwvmaxSW+1) |
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| 80 | DATA lambda/0.28E-6, 0.30E-6, 0.33E-6, 0.36E-6, 0.40E-6, & |
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| 81 | 0.44E-6, 0.48E-6, 0.52E-6, 0.57E-6, 0.64E-6, & |
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| 82 | 0.69E-6, 0.75E-6, 0.78E-6, 0.87E-6, 1.00E-6, & |
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| 83 | 1.10E-6, 1.19E-6, 1.28E-6, 1.53E-6, 1.64E-6, & |
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| 84 | 2.13E-6, 2.38E-6, 2.91E-6, 3.42E-6, 4.00E-6/ |
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| 85 | |
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| 86 | !---wavelengths de references |
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| 87 | !---be careful here the 5th wavelength is 1020 nm |
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| 88 | INTEGER nb |
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| 89 | REAL lambda_ref(nwave_sw+nwave_lw) |
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| 90 | DATA lambda_ref /0.443E-6,0.550E-6,0.670E-6, & |
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| 91 | 0.765E-6,1.020E-6,10.E-6/ |
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| 92 | |
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| 93 | !--LW |
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| 94 | INTEGER NwvmaxLW |
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| 95 | PARAMETER (NwvmaxLW=500) |
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| 96 | REAL Tb, hh, cc, kb |
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| 97 | PARAMETER (Tb=220.0, hh=6.62607e-34) |
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| 98 | PARAMETER (cc=2.99792e8, kb=1.38065e-23) |
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| 99 | |
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| 100 | !---TOA fluxes - Streamer Cs |
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| 101 | REAL weight(1:NwvmaxSW), weightLW |
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| 102 | !c DATA weight/0.839920E1, 0.231208E2, 0.322393E2, 0.465058E2, |
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| 103 | !c . 0.678199E2, 0.798964E2, 0.771359E2, 0.888472E2, |
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| 104 | !c . 0.115281E3, 0.727565E2, 0.816992E2, 0.336172E2, |
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| 105 | !c . 0.914603E2, 0.112706E3, 0.658840E2, 0.524470E2, |
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| 106 | !c . 0.391067E2, 0.883864E2, 0.276672E2, 0.681812E2, |
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| 107 | !c . 0.190966E2, 0.250766E2, 0.128704E2, 0.698720E1/ |
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| 108 | !---TOA fluxes - Tad |
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| 109 | DATA weight/ 4.20, 11.56, 16.12, 23.25, 33.91, 39.95, 38.57, & |
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| 110 | 44.42, 57.64, 29.36, 47.87, 16.81, 45.74, 56.35, & |
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| 111 | 32.94, 26.22, 19.55, 44.19, 13.83, 34.09, 9.55, & |
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| 112 | 12.54, 6.44, 3.49/ |
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| 113 | !C---BOA fluxes - Tad |
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| 114 | !c DATA weight/ 0.01, 4.05, 9.51, 15.99, 26.07, 33.10, 33.07, |
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| 115 | !c . 39.91, 52.67, 27.89, 43.60, 13.67, 42.22, 40.12, |
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| 116 | !c . 32.70, 14.44, 19.48, 14.23, 13.43, 16.42, 8.33, |
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| 117 | !c . 0.95, 0.65, 2.76/ |
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| 118 | |
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| 119 | REAL lambda_int(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW), ll |
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| 120 | REAL dlambda_int(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW), dl |
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| 121 | |
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| 122 | REAL n_r(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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| 123 | REAL n_i(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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| 124 | |
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| 125 | REAL ilambda, ilambda_prev, ilambda_max, ilambda_min |
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| 126 | REAL n_r_h2so4, n_i_h2so4 |
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| 127 | REAL n_r_h2so4_prev, n_i_h2so4_prev |
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| 128 | |
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| 129 | REAL final_a(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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| 130 | REAL final_g(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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| 131 | REAL final_w(1:NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW) |
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| 132 | |
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| 133 | INTEGER band, bandSW, bandLW |
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| 134 | |
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| 135 | !---wavelengths SW RRTM |
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| 136 | REAL wv_rrtm_SW(nbands_sw_rrtm+1) |
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| 137 | DATA wv_rrtm_SW/ 0.185E-6, 0.25E-6, 0.44E-6, 0.69E-6, & |
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| 138 | 1.19E-6, 2.38E-6, 4.00E-6/ |
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| 139 | |
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| 140 | !---wavenumbers and wavelengths LW RRTM |
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| 141 | REAL wn_rrtm(nbands_lw_rrtm+1), wv_rrtm(nbands_lw_rrtm+1) |
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| 142 | DATA wn_rrtm/ 10., 250., 500., 630., 700., 820., & |
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| 143 | 980., 1080., 1180., 1390., 1480., 1800., & |
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| 144 | 2080., 2250., 2380., 2600., 3000./ |
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| 145 | |
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| 146 | !--GCM results |
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| 147 | REAL gcm_a(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 148 | REAL gcm_g(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 149 | REAL gcm_w(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 150 | REAL gcm_weight_a(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 151 | REAL gcm_weight_g(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 152 | REAL gcm_weight_w(nbands_sw_rrtm+nbands_lw_rrtm) |
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| 153 | |
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| 154 | REAL ss_a(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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| 155 | REAL ss_w(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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| 156 | REAL ss_g(nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw) |
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| 157 | |
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| 158 | REAL wavenumber |
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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 | !--initialising dry diameters to geometrically spaced mass/volume (see Jacobson 1994) |
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| 165 | mdw(1)=mdwmin |
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| 166 | IF (V_rat.LT.1.62) THEN ! compensate for dip in second bin for lower volume ratio |
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| 167 | mdw(2)=mdw(1)*2.**(1./3.) |
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| 168 | DO it=3, nbtr_bin |
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| 169 | mdw(it)=mdw(it-1)*V_rat**(1./3.) |
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| 170 | ENDDO |
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| 171 | ELSE |
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| 172 | DO it=2, nbtr_bin |
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| 173 | mdw(it)=mdw(it-1)*V_rat**(1./3.) |
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| 174 | ENDDO |
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| 175 | ENDIF |
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| 176 | PRINT *,'init mdw=', mdw |
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| 177 | |
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| 178 | !$OMP MASTER |
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| 179 | |
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| 180 | ! CALL gather(tr_seri, tr_seri_glo) |
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| 181 | ! IF (is_mpi_root) THEN |
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| 182 | ! IF (MAXVAL(tr_seri_glo).LT.1e-30) THEN |
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| 183 | |
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| 184 | !--compute particle radius for a composition of 75% H2SO4 / 25% H2O at T=293K |
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| 185 | DO bin_number=1, nbtr_bin |
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| 186 | r_0=(dens_aer_dry/dens_aer_ref/0.75)**(1./3.)*mdw(bin_number)/2. |
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| 187 | !--integral boundaries set to bin boundaries |
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| 188 | rmin=r_0/sqrt(V_rat**(1./3.)) |
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| 189 | rmax=r_0*sqrt(V_rat**(1./3.)) |
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| 190 | |
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| 191 | !--set up SW |
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| 192 | DO Nwv=1, NwvmaxSW |
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| 193 | lambda_int(Nwv)=( lambda(Nwv)+lambda(Nwv+1) ) /2. |
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| 194 | ENDDO |
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| 195 | |
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| 196 | DO nb=1, nwave_sw+nwave_lw |
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| 197 | lambda_int(NwvmaxSW+nb)=lambda_ref(nb) |
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| 198 | ENDDO |
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| 199 | |
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| 200 | !--set up LW |
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| 201 | !--conversion wavenumber in cm-1 to wavelength in m |
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| 202 | DO Nwv=1, nbands_lw_rrtm+1 |
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| 203 | wv_rrtm(Nwv)=10000./wn_rrtm(Nwv)*1.e-6 |
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| 204 | ENDDO |
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| 205 | |
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| 206 | DO Nwv=1, NwvmaxLW |
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| 207 | lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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| 208 | exp( log(wv_rrtm(1))+float(Nwv-1)/float(NwvmaxLW-1)* & |
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| 209 | (log(wv_rrtm(nbands_lw_rrtm+1))-log(wv_rrtm(1))) ) |
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| 210 | ENDDO |
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| 211 | |
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| 212 | !--computing the dlambdas |
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| 213 | Nwv=1 |
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| 214 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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| 215 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)- & |
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| 216 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv+1) |
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| 217 | DO Nwv=2, NwvmaxLW-1 |
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| 218 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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| 219 | & (lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv-1)- & |
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| 220 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv+1))/2. |
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| 221 | ENDDO |
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| 222 | Nwv=NwvmaxLW |
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| 223 | dlambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv)= & |
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| 224 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv-1)- & |
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| 225 | & lambda_int(NwvmaxSW+nwave_sw+nwave_lw+Nwv) |
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| 226 | |
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| 227 | OPEN (unit=11,file='h2so4_0.75_300.00_hummel_1988_p_q.dat') |
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| 228 | |
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| 229 | IF (refr_ind_interpol) THEN |
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| 230 | DO nb=1,nb_lambda_h2so4 |
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| 231 | READ(11,*) ref_ind(nb,:) |
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| 232 | ENDDO |
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| 233 | ilambda_max=ref_ind(1,2)/1.e6 !--in m |
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| 234 | ilambda_min=ref_ind(nb_lambda_h2so4,2)/1.e6 !--in m |
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| 235 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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| 236 | IF (lambda_int(Nwv).GT.ilambda_max) THEN |
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| 237 | !for lambda out of data range, take boundary values |
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| 238 | n_r(Nwv)=ref_ind(1,3) |
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| 239 | n_i(Nwv)=ref_ind(1,4) |
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| 240 | ELSEIF (lambda_int(Nwv).LE.ilambda_min) THEN |
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| 241 | n_r(Nwv)=ref_ind(nb_lambda_h2so4,3) |
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| 242 | n_i(Nwv)=ref_ind(nb_lambda_h2so4,4) |
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| 243 | ELSE |
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| 244 | DO nb=2,nb_lambda_h2so4 |
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| 245 | ilambda=ref_ind(nb,2)/1.e6 |
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| 246 | ilambda_prev=ref_ind(nb-1,2)/1.e6 |
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| 247 | n_r_h2so4=ref_ind(nb,3) |
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| 248 | n_r_h2so4_prev=ref_ind(nb-1,3) |
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| 249 | n_i_h2so4=ref_ind(nb,4) |
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| 250 | n_i_h2so4_prev=ref_ind(nb-1,4) |
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| 251 | IF (lambda_int(Nwv).GT.ilambda.AND. & |
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| 252 | lambda_int(Nwv).LE.ilambda_prev) THEN !--- linear interpolation |
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| 253 | n_r(Nwv)=n_r_h2so4+(lambda_int(Nwv)-ilambda)/ & |
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| 254 | (ilambda_prev-ilambda)*(n_r_h2so4_prev-n_r_h2so4) |
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| 255 | n_i(Nwv)=n_i_h2so4+(lambda_int(Nwv)-ilambda)/ & |
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| 256 | (ilambda_prev-ilambda)*(n_i_h2so4_prev-n_i_h2so4) |
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| 257 | ENDIF |
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| 258 | ENDDO |
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| 259 | ENDIF |
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| 260 | ENDDO |
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| 261 | ELSE |
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| 262 | DO nb=1,nb_lambda_h2so4 |
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| 263 | READ(11,*) wavenumber, ilambda, n_r_h2so4, n_i_h2so4 |
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| 264 | ilambda=1000.*ilambda !wavelength in nm |
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| 265 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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| 266 | IF (ilambda/1.e9.GT.lambda_int(Nwv)) THEN !--- step function |
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| 267 | n_r(Nwv)=n_r_h2so4 |
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| 268 | n_i(Nwv)=n_i_h2so4 |
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| 269 | ENDIF |
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| 270 | ENDDO |
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| 271 | ENDDO |
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| 272 | ENDIF |
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| 273 | CLOSE(11) |
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| 274 | |
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| 275 | !---Loop on wavelengths |
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| 276 | DO Nwv=1, NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
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| 277 | |
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| 278 | m=CMPLX(n_r(Nwv),-n_i(Nwv)) |
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| 279 | |
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| 280 | I=CMPLX(0.,1.) |
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| 281 | |
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| 282 | sigma_sca=0.0 |
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| 283 | sigma_ext=0.0 |
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| 284 | sigma_abs=0.0 |
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| 285 | gtot=0.0 |
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| 286 | omegatot=0.0 |
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| 287 | masse = 0.0 |
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| 288 | volume=0.0 |
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| 289 | surface=0.0 |
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| 290 | |
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| 291 | DO bin=1, Nbin !---loop on size bins |
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| 292 | |
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| 293 | r_lower=exp(log(rmin)+FLOAT(bin-1)/FLOAT(Nbin)*(log(rmax)-log(rmin))) |
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| 294 | r_upper=exp(log(rmin)+FLOAT(bin)/FLOAT(Nbin)*(log(rmax)-log(rmin))) |
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| 295 | r=sqrt(r_lower*r_upper) |
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| 296 | x=2.*RPI*r/lambda_int(Nwv) |
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| 297 | deltar=r_upper-r_lower |
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| 298 | |
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| 299 | number=Ntot*deltar/(rmax-rmin) !dN/dr constant over tracer bin |
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| 300 | ! masse=masse +4./3.*RPI*(r**3)*number*deltar*ropx*1.E3 !--g/m3 |
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| 301 | volume=volume+4./3.*RPI*(r**3)*number*deltar |
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| 302 | surface=surface+4.*RPI*r**2*number*deltar |
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| 303 | |
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| 304 | k2=m |
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| 305 | k3=CMPLX(1.0,0.0) |
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| 306 | |
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| 307 | z2=CMPLX(x,0.0) |
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| 308 | z1=m*z2 |
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| 309 | |
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| 310 | IF (0.0.LE.x.AND.x.LE.8.) THEN |
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| 311 | Nmax=INT(x+4*x**(1./3.)+1.)+2 |
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| 312 | ELSEIF (8..LT.x.AND.x.LT.4200.) THEN |
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| 313 | Nmax=INT(x+4.05*x**(1./3.)+2.)+1 |
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| 314 | ELSEIF (4200..LE.x.AND.x.LE.20000.) THEN |
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| 315 | Nmax=INT(x+4*x**(1./3.)+2.)+1 |
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| 316 | ELSE |
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| 317 | PRINT *, 'x out of bound, x=', x |
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| 318 | STOP |
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| 319 | ENDIF |
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| 320 | |
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| 321 | Nstart=Nmax+10 |
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| 322 | |
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| 323 | !-----------loop for nu1z1, nu1z2 |
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| 324 | |
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| 325 | nu1z1(Nstart)=CMPLX(0.0,0.0) |
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| 326 | nu1z2(Nstart)=CMPLX(0.0,0.0) |
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| 327 | DO n=Nstart-1, 1 , -1 |
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| 328 | nn=CMPLX(FLOAT(n),0.0) |
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| 329 | nu1z1(n)=(nn+1.)/z1 - 1./( (nn+1.)/z1 + nu1z1(n+1) ) |
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| 330 | nu1z2(n)=(nn+1.)/z2 - 1./( (nn+1.)/z2 + nu1z2(n+1) ) |
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| 331 | ENDDO |
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| 332 | |
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| 333 | !------------loop for nu3z2 |
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| 334 | |
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| 335 | nu3z2(0)=-I |
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| 336 | DO n=1, Nmax |
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| 337 | nn=CMPLX(FLOAT(n),0.0) |
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| 338 | nu3z2(n)=-nn/z2 + 1./ (nn/z2 - nu3z2(n-1) ) |
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| 339 | ENDDO |
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| 340 | |
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| 341 | !-----------loop for psiz2 and ksiz2 (z2) |
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| 342 | ksiz2(-1)=COS(REAL(z2))-I*SIN(REAL(z2)) |
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| 343 | ksiz2(0)=SIN(REAL(z2))+I*COS(REAL(z2)) |
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| 344 | DO n=1,Nmax |
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| 345 | nn=CMPLX(FLOAT(n),0.0) |
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| 346 | ksiz2(n)=(2.*nn-1.)/z2 * ksiz2(n-1) - ksiz2(n-2) |
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| 347 | psiz2(n)=CMPLX(REAL(ksiz2(n)),0.0) |
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| 348 | ENDDO |
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| 349 | |
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| 350 | !-----------loop for a(n) and b(n) |
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| 351 | |
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| 352 | DO n=1, Nmax |
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| 353 | u1=k3*nu1z1(n) - k2*nu1z2(n) |
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| 354 | u5=k3*nu1z1(n) - k2*nu3z2(n) |
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| 355 | u6=k2*nu1z1(n) - k3*nu1z2(n) |
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| 356 | u8=k2*nu1z1(n) - k3*nu3z2(n) |
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| 357 | a(n)=psiz2(n)/ksiz2(n) * u1/u5 |
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| 358 | b(n)=psiz2(n)/ksiz2(n) * u6/u8 |
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| 359 | ENDDO |
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| 360 | |
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| 361 | !-----------------final loop-------------- |
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| 362 | Q_ext=0.0 |
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| 363 | Q_sca=0.0 |
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| 364 | g=0.0 |
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| 365 | DO n=Nmax-1,1,-1 |
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| 366 | nnn=FLOAT(n) |
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| 367 | Q_ext=Q_ext+ (2.*nnn+1.) * REAL( a(n)+b(n) ) |
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| 368 | Q_sca=Q_sca+ (2.*nnn+1.) * & |
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| 369 | REAL( a(n)*CONJG(a(n)) + b(n)*CONJG(b(n)) ) |
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| 370 | g=g + nnn*(nnn+2.)/(nnn+1.) * & |
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| 371 | REAL( a(n)*CONJG(a(n+1))+b(n)*CONJG(b(n+1)) ) + & |
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| 372 | (2.*nnn+1.)/nnn/(nnn+1.) * REAL(a(n)*CONJG(b(n))) |
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| 373 | ENDDO |
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| 374 | Q_ext=2./x**2 * Q_ext |
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| 375 | Q_sca=2./x**2 * Q_sca |
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| 376 | Q_abs=Q_ext-Q_sca |
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| 377 | IF (AIMAG(m).EQ.0.0) Q_abs=0.0 |
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| 378 | omega=Q_sca/Q_ext |
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| 379 | g=g*4./x**2/Q_sca |
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| 380 | |
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| 381 | sigma_sca=sigma_sca+r**2*Q_sca*number |
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| 382 | sigma_abs=sigma_abs+r**2*Q_abs*number |
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| 383 | sigma_ext=sigma_ext+r**2*Q_ext*number |
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| 384 | omegatot=omegatot+r**2*Q_ext*omega*number |
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| 385 | gtot =gtot+r**2*Q_sca*g*number |
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| 386 | |
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| 387 | ENDDO !---bin |
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| 388 | !------------------------------------------------------------------ |
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| 389 | |
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| 390 | sigma_sca=RPI*sigma_sca |
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| 391 | sigma_abs=RPI*sigma_abs |
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| 392 | sigma_ext=RPI*sigma_ext |
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| 393 | gtot=RPI*gtot/sigma_sca |
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| 394 | omegatot=RPI*omegatot/sigma_ext |
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| 395 | |
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| 396 | final_g(Nwv)=gtot |
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| 397 | final_w(Nwv)=omegatot |
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| 398 | ! final_a(Nwv)=sigma_ext/masse |
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| 399 | final_a(Nwv)=sigma_ext !extinction/absorption cross section per particle |
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| 400 | |
|---|
| 401 | ENDDO !--loop on wavelength |
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| 402 | |
|---|
| 403 | |
|---|
| 404 | !---averaging over LMDZ wavebands |
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| 405 | |
|---|
| 406 | DO band=1, nbands_sw_rrtm+nbands_lw_rrtm |
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| 407 | gcm_a(band)=0.0 |
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| 408 | gcm_g(band)=0.0 |
|---|
| 409 | gcm_w(band)=0.0 |
|---|
| 410 | gcm_weight_a(band)=0.0 |
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| 411 | gcm_weight_g(band)=0.0 |
|---|
| 412 | gcm_weight_w(band)=0.0 |
|---|
| 413 | ENDDO |
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| 414 | |
|---|
| 415 | !---band 1 is now in the UV, so we take the first wavelength as being representative |
|---|
| 416 | DO Nwv=1,1 |
|---|
| 417 | bandSW=1 |
|---|
| 418 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
|---|
| 419 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
|---|
| 420 | gcm_w(bandSW)=gcm_w(bandSW)+final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
|---|
| 421 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+final_a(Nwv)*weight(Nwv) |
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| 422 | gcm_g(bandSW)=gcm_g(bandSW)+final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 423 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 424 | ENDDO |
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| 425 | |
|---|
| 426 | DO Nwv=1,NwvmaxSW |
|---|
| 427 | |
|---|
| 428 | IF (lambda_int(Nwv).LE.wv_rrtm_SW(3)) THEN !--RRTM spectral interval 2 |
|---|
| 429 | bandSW=2 |
|---|
| 430 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(4)) THEN !--RRTM spectral interval 3 |
|---|
| 431 | bandSW=3 |
|---|
| 432 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(5)) THEN !--RRTM spectral interval 4 |
|---|
| 433 | bandSW=4 |
|---|
| 434 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(6)) THEN !--RRTM spectral interval 5 |
|---|
| 435 | bandSW=5 |
|---|
| 436 | ELSE !--RRTM spectral interval 6 |
|---|
| 437 | bandSW=6 |
|---|
| 438 | ENDIF |
|---|
| 439 | |
|---|
| 440 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
|---|
| 441 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
|---|
| 442 | gcm_w(bandSW)=gcm_w(bandSW)+final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
|---|
| 443 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+final_a(Nwv)*weight(Nwv) |
|---|
| 444 | gcm_g(bandSW)=gcm_g(bandSW)+final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 445 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 446 | |
|---|
| 447 | ENDDO |
|---|
| 448 | |
|---|
| 449 | DO Nwv=NwvmaxSW+nwave_sw+nwave_lw+1,NwvmaxSW+nwave_sw+nwave_lw+NwvmaxLW |
|---|
| 450 | ll=lambda_int(Nwv) |
|---|
| 451 | dl=dlambda_int(Nwv) |
|---|
| 452 | weightLW=1./ll**5./(exp(hh*cc/kb/Tb/ll)-1.)*dl |
|---|
| 453 | bandLW=1 !--default value starting from the highest lambda |
|---|
| 454 | DO band=2, nbands_lw_rrtm |
|---|
| 455 | IF (ll.LT.wv_rrtm(band)) THEN !--as long as |
|---|
| 456 | bandLW=band |
|---|
| 457 | ENDIF |
|---|
| 458 | ENDDO |
|---|
| 459 | gcm_a(nbands_sw_rrtm+bandLW)=gcm_a(nbands_sw_rrtm+bandLW)+final_a(Nwv)* & |
|---|
| 460 | (1.-final_w(Nwv))*weightLW |
|---|
| 461 | gcm_weight_a(nbands_sw_rrtm+bandLW)=gcm_weight_a(nbands_sw_rrtm+bandLW)+weightLW |
|---|
| 462 | |
|---|
| 463 | gcm_w(nbands_sw_rrtm+bandLW)=gcm_w(nbands_sw_rrtm+bandLW)+final_w(Nwv)* & |
|---|
| 464 | final_a(Nwv)*weightLW |
|---|
| 465 | gcm_weight_w(nbands_sw_rrtm+bandLW)=gcm_weight_w(nbands_sw_rrtm+bandLW)+ & |
|---|
| 466 | final_a(Nwv)*weightLW |
|---|
| 467 | |
|---|
| 468 | gcm_g(nbands_sw_rrtm+bandLW)=gcm_g(nbands_sw_rrtm+bandLW)+final_g(Nwv)* & |
|---|
| 469 | final_a(Nwv)*final_w(Nwv)*weightLW |
|---|
| 470 | gcm_weight_g(nbands_sw_rrtm+bandLW)=gcm_weight_g(nbands_sw_rrtm+bandLW)+ & |
|---|
| 471 | final_a(Nwv)*final_w(Nwv)*weightLW |
|---|
| 472 | ENDDO |
|---|
| 473 | |
|---|
| 474 | DO band=1, nbands_sw_rrtm+nbands_lw_rrtm |
|---|
| 475 | gcm_a(band)=gcm_a(band)/gcm_weight_a(band) |
|---|
| 476 | gcm_w(band)=gcm_w(band)/gcm_weight_w(band) |
|---|
| 477 | gcm_g(band)=gcm_g(band)/gcm_weight_g(band) |
|---|
| 478 | ss_a(band)=gcm_a(band) |
|---|
| 479 | ss_w(band)=gcm_w(band) |
|---|
| 480 | ss_g(band)=gcm_g(band) |
|---|
| 481 | ENDDO |
|---|
| 482 | |
|---|
| 483 | DO nb=1, nwave_sw+nwave_lw |
|---|
| 484 | ss_a(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_a(NwvmaxSW+nb) |
|---|
| 485 | ss_w(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_w(NwvmaxSW+nb) |
|---|
| 486 | ss_g(nbands_sw_rrtm+nbands_lw_rrtm+nb)=final_g(NwvmaxSW+nb) |
|---|
| 487 | ENDDO |
|---|
| 488 | |
|---|
| 489 | DO nb=1,nbands_sw_rrtm+nbands_lw_rrtm+nwave_sw+nwave_lw |
|---|
| 490 | alpha_bin(nb,bin_number)=ss_a(nb) !extinction/absorption cross section per particle |
|---|
| 491 | piz_bin(nb,bin_number)=ss_w(nb) |
|---|
| 492 | cg_bin(nb,bin_number)=ss_g(nb) |
|---|
| 493 | |
|---|
| 494 | ENDDO |
|---|
| 495 | |
|---|
| 496 | ENDDO !loop over tracer bins |
|---|
| 497 | |
|---|
| 498 | ! ENDIF !mpi_root |
|---|
| 499 | |
|---|
| 500 | !$OMP END MASTER |
|---|
| 501 | CALL bcast(alpha_bin) |
|---|
| 502 | CALL bcast(piz_bin) |
|---|
| 503 | CALL bcast(cg_bin) |
|---|
| 504 | !$OMP BARRIER |
|---|
| 505 | |
|---|
| 506 | ! CALL scatter(alpha_bin, alpha_bin) |
|---|
| 507 | ! CALL scatter(piz_bin, piz_bin) |
|---|
| 508 | ! CALL scatter(cg_bin, cg_bin) |
|---|
| 509 | |
|---|
| 510 | !set to default values at first time step (tr_seri still zero) |
|---|
| 511 | tau_strat(:,:,:)=1.e-15 |
|---|
| 512 | piz_strat(:,:,:)=1.0 |
|---|
| 513 | cg_strat(:,:,:)=0.0 |
|---|
| 514 | tau_lw_abs_rrtm(:,:,:)=1.e-15 |
|---|
| 515 | tau_strat_wave(:,:,:)=1.e-15 |
|---|
| 516 | |
|---|
| 517 | ELSE |
|---|
| 518 | |
|---|
| 519 | ! CALL gather(tr_seri, tr_seri_glo) |
|---|
| 520 | |
|---|
| 521 | !--compute optical properties of actual size distribution (from tr_seri) |
|---|
| 522 | DO ilon=1,klon |
|---|
| 523 | DO ilev=1, klev |
|---|
| 524 | DO nb=1,nbands_sw_rrtm |
|---|
| 525 | tau_strat(ilon,ilev,nb)=0.0 |
|---|
| 526 | DO bin_number=1, nbtr_bin |
|---|
| 527 | tau_strat(ilon,ilev,nb)=tau_strat(ilon,ilev,nb)+alpha_bin(nb,bin_number) & |
|---|
| 528 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
|---|
| 529 | ENDDO |
|---|
| 530 | |
|---|
| 531 | piz_strat(ilon,ilev,nb)=0.0 |
|---|
| 532 | DO bin_number=1, nbtr_bin |
|---|
| 533 | piz_strat(ilon,ilev,nb)=piz_strat(ilon,ilev,nb)+piz_bin(nb,bin_number)*alpha_bin(nb,bin_number) & |
|---|
| 534 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
|---|
| 535 | ENDDO |
|---|
| 536 | piz_strat(ilon,ilev,nb)=piz_strat(ilon,ilev,nb)/MAX(tau_strat(ilon,ilev,nb),1.e-15) |
|---|
| 537 | |
|---|
| 538 | cg_strat(ilon,ilev,nb)=0.0 |
|---|
| 539 | DO bin_number=1, nbtr_bin |
|---|
| 540 | 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) & |
|---|
| 541 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
|---|
| 542 | ENDDO |
|---|
| 543 | cg_strat(ilon,ilev,nb)=cg_strat(ilon,ilev,nb)/MAX(tau_strat(ilon,ilev,nb)*piz_strat(ilon,ilev,nb),1.e-15) |
|---|
| 544 | ENDDO |
|---|
| 545 | DO nb=1,nbands_lw_rrtm |
|---|
| 546 | tau_lw_abs_rrtm(ilon,ilev,nb)=0.0 |
|---|
| 547 | DO bin_number=1, nbtr_bin |
|---|
| 548 | tau_lw_abs_rrtm(ilon,ilev,nb)=tau_lw_abs_rrtm(ilon,ilev,nb)+alpha_bin(nbands_sw_rrtm+nb,bin_number) & |
|---|
| 549 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
|---|
| 550 | ENDDO |
|---|
| 551 | ENDDO |
|---|
| 552 | DO nb=1,nwave_sw+nwave_lw |
|---|
| 553 | tau_strat_wave(ilon,ilev,nb)=0.0 |
|---|
| 554 | DO bin_number=1, nbtr_bin |
|---|
| 555 | tau_strat_wave(ilon,ilev,nb)=tau_strat_wave(ilon,ilev,nb)+alpha_bin(nbands_sw_rrtm+nbands_lw_rrtm+nb,bin_number) & |
|---|
| 556 | *tr_seri(ilon,ilev,bin_number+nbtr_sulgas)*(paprs(ilon,ilev)-paprs(ilon,ilev+1))/RG |
|---|
| 557 | ENDDO |
|---|
| 558 | ENDDO |
|---|
| 559 | ENDDO |
|---|
| 560 | ENDDO |
|---|
| 561 | |
|---|
| 562 | ENDIF !debut |
|---|
| 563 | |
|---|
| 564 | END SUBROUTINE MIECALC_AER |
|---|
