| 1 | PROGRAM mie |
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| 2 | IMPLICIT NONE |
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| 3 | C |
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| 4 | C-------Mie computations for a size distribution |
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| 5 | C of homogeneous spheres. |
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| 6 | c |
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| 7 | C========================================================== |
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| 8 | C--Ref : Toon and Ackerman, Applied Optics, 1981 |
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| 9 | C Stephens, CSIRO, 1979 |
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| 10 | C Attention : surdimensionement des tableaux |
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| 11 | C to be compiled with double precision option (-r8 on Sun) |
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| 12 | C AUTHOR: Olivier Boucher, Christoph Kleinschmitt |
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| 13 | C-------SIZE distribution properties---------------- |
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| 14 | C--sigma_g : geometric standard deviation |
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| 15 | C--r_0 : geometric number mean radius (um)/modal radius |
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| 16 | C--Ntot : total concentration in m-3 |
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| 17 | C--rho : dry density in kg/m3 |
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| 18 | c--mmd=2.5 um from Yves |
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| 19 | c |
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| 20 | INTEGER Ndis, dis |
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| 21 | PARAMETER (Ndis=1) |
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| 22 | REAL sigma_g(Ndis), r_0(Ndis), Ntot(Ndis), rho |
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| 23 | DATA r_0 /0.277E-6/ |
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| 24 | DATA sigma_g/2.0/ |
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| 25 | DATA Ntot /1.0/ |
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| 26 | PARAMETER (rho=2.650E3) !--dry density kg/m3 |
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| 27 | |
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| 28 | CHARACTER*1 :: run |
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| 29 | CHARACTER(*), PARAMETER :: mainfolder="./" |
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| 30 | CHARACTER(*), PARAMETER :: version="./" |
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| 31 | CHARACTER(*), PARAMETER :: output="./" |
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| 32 | CHARACTER(*), PARAMETER :: source="./" |
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| 33 | c |
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| 34 | REAL masse,volume,surface |
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| 35 | c |
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| 36 | REAL rmin, rmax !----integral bounds in m |
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| 37 | PARAMETER (rmin=0.002E-6,rmax=100.E-6) |
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| 38 | c |
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| 39 | c------------------------------------- |
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| 40 | c |
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| 41 | COMPLEX m !----refractive index m=n_r-i*n_i |
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| 42 | INTEGER Nmax,Nstart !--number of iterations |
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| 43 | COMPLEX k2, k3, z1, z2 |
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| 44 | COMPLEX u1,u5,u6,u8 |
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| 45 | COMPLEX a(1:21000), b(1:21000) |
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| 46 | COMPLEX I |
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| 47 | INTEGER n !--loop index |
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| 48 | REAL pi, nnn |
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| 49 | COMPLEX nn |
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| 50 | REAL Q_ext, Q_abs, Q_sca, g, omega !--parameters for radius r |
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| 51 | REAL x !--size parameter |
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| 52 | REAL r !--radius |
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| 53 | REAL sigma_sca, sigma_ext, sigma_abs |
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| 54 | REAL omegatot, gtot !--averaged parameters |
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| 55 | COMPLEX ksiz2(-1:21000), psiz2(1:21000) |
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| 56 | COMPLEX nu1z1(1:21010), nu1z2(1:21010) |
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| 57 | COMPLEX nu3z2(0:21000) |
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| 58 | REAL number, deltar |
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| 59 | INTEGER bin, Nbin, k |
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| 60 | PARAMETER (Nbin=941) |
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| 61 | c |
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| 62 | INTEGER nb_lambda_dust_lw |
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| 63 | PARAMETER (nb_lambda_dust_lw=601) |
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| 64 | c |
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| 65 | C---wavelengths STREAMER |
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| 66 | INTEGER Nwv, NwvmaxSW |
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| 67 | PARAMETER (NwvmaxSW=24) |
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| 68 | REAL lambda(1:NwvmaxSW+1) |
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| 69 | DATA lambda/0.28E-6, 0.30E-6, 0.33E-6, 0.36E-6, 0.40E-6, |
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| 70 | . 0.44E-6, 0.48E-6, 0.52E-6, 0.57E-6, 0.64E-6, |
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| 71 | . 0.69E-6, 0.75E-6, 0.78E-6, 0.87E-6, 1.00E-6, |
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| 72 | . 1.10E-6, 1.19E-6, 1.28E-6, 1.53E-6, 1.64E-6, |
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| 73 | . 2.13E-6, 2.38E-6, 2.91E-6, 3.42E-6, 4.00E-6/ |
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| 74 | c |
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| 75 | c---wavelengths de references dans le SW |
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| 76 | INTEGER nb, nb_lambda_ref |
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| 77 | PARAMETER (nb_lambda_ref=5) |
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| 78 | REAL lambda_ref(nb_lambda_ref) |
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| 79 | DATA lambda_ref /0.443E-6,0.550E-6,0.670E-6,0.765E-6,0.865E-6/ |
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| 80 | c |
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| 81 | c--LW |
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| 82 | c--Tb=representative blackbody temperature of aerosol (in K) |
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| 83 | INTEGER NwvmaxLW |
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| 84 | PARAMETER (NwvmaxLW=500) |
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| 85 | REAL Tb, hh, cc, kb |
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| 86 | PARAMETER (Tb=270.0, hh=6.62607e-34) |
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| 87 | PARAMETER (cc=2.99792e8, kb=1.38065e-23) |
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| 88 | c |
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| 89 | C---TOA fluxes - Streamer Cs |
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| 90 | REAL weight(1:NwvmaxSW), weightLW |
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| 91 | c DATA weight/0.839920E1, 0.231208E2, 0.322393E2, 0.465058E2, |
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| 92 | c . 0.678199E2, 0.798964E2, 0.771359E2, 0.888472E2, |
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| 93 | c . 0.115281E3, 0.727565E2, 0.816992E2, 0.336172E2, |
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| 94 | c . 0.914603E2, 0.112706E3, 0.658840E2, 0.524470E2, |
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| 95 | c . 0.391067E2, 0.883864E2, 0.276672E2, 0.681812E2, |
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| 96 | c . 0.190966E2, 0.250766E2, 0.128704E2, 0.698720E1/ |
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| 97 | C---TOA fluxes - Tad |
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| 98 | DATA weight/ 4.20, 11.56, 16.12, 23.25, 33.91, 39.95, 38.57, |
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| 99 | . 44.42, 57.64, 29.36, 47.87, 16.81, 45.74, 56.35, |
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| 100 | . 32.94, 26.22, 19.55, 44.19, 13.83, 34.09, 9.55, |
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| 101 | . 12.54, 6.44, 3.49/ |
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| 102 | C---BOA fluxes - Tad |
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| 103 | c DATA weight/ 0.01, 4.05, 9.51, 15.99, 26.07, 33.10, 33.07, |
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| 104 | c . 39.91, 52.67, 27.89, 43.60, 13.67, 42.22, 40.12, |
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| 105 | c . 32.70, 14.44, 19.48, 14.23, 13.43, 16.42, 8.33, |
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| 106 | c . 0.95, 0.65, 2.76/ |
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| 107 | c |
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| 108 | REAL lambda_int(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW), ll |
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| 109 | REAL dlambda_int(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW), dl |
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| 110 | c |
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| 111 | REAL n_r(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW) |
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| 112 | REAL n_i(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW) |
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| 113 | c |
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| 114 | REAL final_a(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW) |
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| 115 | REAL final_g(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW) |
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| 116 | REAL final_w(1:NwvmaxSW+nb_lambda_ref+NwvmaxLW) |
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| 117 | c |
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| 118 | INTEGER band, bandSW, bandLW, NbandSW, NbandLW |
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| 119 | PARAMETER (NbandSW=6, NbandLW=16) |
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| 120 | c |
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| 121 | c---wavelengths SW RRTM |
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| 122 | REAL wv_rrtm_SW(NbandSW+1) |
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| 123 | DATA wv_rrtm_SW/ 0.185E-6, 0.25E-6, 0.44E-6, 0.69E-6, |
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| 124 | . 1.19E-6, 2.38E-6, 4.00E-6/ |
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| 125 | c |
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| 126 | c---wavenumbers (wn) and wavelengths (wv) LW RRTM |
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| 127 | REAL wn_rrtm(NbandLW+1), wv_rrtm(NbandLW+1) |
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| 128 | DATA wn_rrtm/ 10., 250., 500., 630., 700., 820., |
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| 129 | . 980., 1080., 1180., 1390., 1480., 1800., |
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| 130 | . 2080., 2250., 2380., 2600., 3000./ |
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| 131 | c |
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| 132 | c--GCM results |
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| 133 | REAL gcm_a(NbandSW+NbandLW) |
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| 134 | REAL gcm_g(NbandSW+NbandLW) |
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| 135 | REAL gcm_w(NbandSW+NbandLW) |
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| 136 | REAL gcm_weight_a(NbandSW+NbandLW) |
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| 137 | REAL gcm_weight_g(NbandSW+NbandLW) |
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| 138 | REAL gcm_weight_w(NbandSW+NbandLW) |
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| 139 | c |
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| 140 | c--all results |
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| 141 | REAL ss_a(NbandSW+NbandLW+nb_lambda_ref) |
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| 142 | REAL ss_w(NbandSW+NbandLW+nb_lambda_ref) |
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| 143 | REAL ss_g(NbandSW+NbandLW+nb_lambda_ref) |
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| 144 | c |
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| 145 | c--index for SW |
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| 146 | INTEGER wv, nb_wv_r, nb_wv_i |
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| 147 | PARAMETER (nb_wv_r=78, nb_wv_i=78) |
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| 148 | REAL wv_r(1:nb_wv_r), index_r(1:nb_wv_r) |
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| 149 | REAL wv_i(1:nb_wv_i), index_i(1:nb_wv_i) |
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| 150 | REAL count_n_r, count_n_i |
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| 151 | c--index for LW |
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| 152 | REAL wavenumber |
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| 153 | REAL, DIMENSION(nb_lambda_dust_LW) :: ref_wv |
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| 154 | REAL, DIMENSION(nb_lambda_dust_LW,4) :: ref_ind_r, ref_ind_i |
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| 155 | c |
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| 156 | c---------------preferred choice of Claudia's model |
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| 157 | c--change setting of imod if you wish |
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| 158 | INTEGER, PARAMETER :: imin=1, imax=2, imean=3, imedian=4 |
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| 159 | INTEGER, PARAMETER :: imod=imean |
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| 160 | INTEGER :: ilambda1, ilambda2 |
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| 161 | c |
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| 162 | CHARACTER(*), PARAMETER :: fileplace=mainfolder//version//output |
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| 163 | CHARACTER(*), PARAMETER :: sourcefile=mainfolder//source |
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| 164 | CHARACTER*100 :: dummy |
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| 165 | c |
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| 166 | c--------------------------------------------------------- |
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| 167 | WRITE(run,'(i1)') imod |
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| 168 | c |
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| 169 | c--set up SW refractive index |
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| 170 | c |
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| 171 | DO Nwv=1, NwvmaxSW |
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| 172 | lambda_int(Nwv)=( lambda(Nwv)+lambda(Nwv+1) ) /2. |
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| 173 | ENDDO |
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| 174 | c |
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| 175 | DO nb=1, nb_lambda_ref |
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| 176 | lambda_int(NwvmaxSW+nb)=lambda_ref(nb) |
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| 177 | ENDDO |
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| 178 | c |
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| 179 | c--set up LW refractive index |
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| 180 | c--conversion wavenumber in cm-1 to wavelength in m |
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| 181 | c--be careful wavelengths are in decreasing order |
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| 182 | DO Nwv=1, NbandLW+1 |
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| 183 | wv_rrtm(Nwv)=10000./wn_rrtm(Nwv)*1.e-6 |
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| 184 | ENDDO |
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| 185 | c |
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| 186 | c--spread lambda_int logarithmically in the LW |
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| 187 | c--still in decreasing order |
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| 188 | DO Nwv=1, NwvmaxLW |
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| 189 | lambda_int(NwvmaxSW+nb_lambda_ref+Nwv)= |
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| 190 | . exp( log(wv_rrtm(1))+float(Nwv)/float(NwvmaxLW+1)* |
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| 191 | . (log(wv_rrtm(NbandLW+1))-log(wv_rrtm(1))) ) |
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| 192 | ENDDO |
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| 193 | c--computing the dlamdas |
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| 194 | Nwv=1 |
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| 195 | dlambda_int(NwvmaxSW+nb_lambda_ref+Nwv)= |
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| 196 | . lambda_int(NwvmaxSW+nb_lambda_ref+Nwv)- |
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| 197 | . lambda_int(NwvmaxSW+nb_lambda_ref+Nwv+1) |
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| 198 | DO Nwv=2, NwvmaxLW-1 |
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| 199 | dlambda_int(NwvmaxSW+nb_lambda_ref+Nwv)= |
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| 200 | . (lambda_int(NwvmaxSW+nb_lambda_ref+Nwv-1)- |
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| 201 | . lambda_int(NwvmaxSW+nb_lambda_ref+Nwv+1))/2. |
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| 202 | ENDDO |
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| 203 | Nwv=NwvmaxLW |
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| 204 | dlambda_int(NwvmaxSW+nb_lambda_ref+Nwv)= |
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| 205 | . lambda_int(NwvmaxSW+nb_lambda_ref+Nwv-1)- |
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| 206 | . lambda_int(NwvmaxSW+nb_lambda_ref+Nwv) |
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| 207 | c DO Nwv=1, NwvmaxLW |
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| 208 | c print *,'ll dl=', lambda_int(NwvmaxSW+nb_lambda_ref+Nwv), |
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| 209 | c . dlambda_int(NwvmaxSW+nb_lambda_ref+Nwv) |
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| 210 | c ENDDO |
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| 211 | c |
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| 212 | c--read Yves hematite's data |
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| 213 | OPEN(unit=10,file='r_1v5_hematite.dat') |
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| 214 | DO wv=1, nb_wv_r |
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| 215 | READ (10,*) wv_r(wv), index_r(wv) |
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| 216 | ENDDO |
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| 217 | CLOSE(10) |
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| 218 | c |
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| 219 | OPEN(unit=10,file='i_1v5_hematite.dat') |
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| 220 | DO wv=1, nb_wv_i |
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| 221 | READ (10,*) wv_i(wv), index_i(wv) |
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| 222 | ENDDO |
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| 223 | CLOSE(10) |
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| 224 | c |
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| 225 | c--interpolating |
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| 226 | DO Nwv=1, NwvmaxSW+nb_lambda_ref |
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| 227 | n_r(Nwv)=0.0 |
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| 228 | n_i(Nwv)=0.0 |
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| 229 | ENDDO |
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| 230 | c |
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| 231 | c--first the 24 Streamer wavelengths |
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| 232 | DO Nwv=1, NwvmaxSW |
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| 233 | c |
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| 234 | count_n_r=0.0 |
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| 235 | DO wv=1, nb_wv_r |
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| 236 | IF (wv_r(wv)/1.e9.GT.lambda(Nwv).AND. |
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| 237 | . wv_r(wv)/1.e9.LT.lambda(Nwv+1)) THEN |
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| 238 | n_r(Nwv)=n_r(Nwv)+index_r(wv) |
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| 239 | count_n_r=count_n_r+1.0 |
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| 240 | ENDIF |
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| 241 | ENDDO |
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| 242 | c |
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| 243 | IF (count_n_r.GT.0.5) THEN |
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| 244 | c--on moyenne |
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| 245 | n_r(Nwv)=n_r(Nwv)/count_n_r |
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| 246 | ELSE |
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| 247 | c--sinon plus proche voisin |
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| 248 | DO wv=1, nb_wv_r |
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| 249 | IF (wv_r(wv)/1.e9.LT.lambda_int(Nwv)) THEN |
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| 250 | n_r(Nwv)=index_r(wv) |
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| 251 | ENDIF |
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| 252 | ENDDO |
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| 253 | ENDIF |
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| 254 | c |
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| 255 | count_n_i=0.0 |
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| 256 | DO wv=1, nb_wv_i |
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| 257 | IF (wv_i(wv)/1.e9.GT.lambda(Nwv).AND. |
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| 258 | . wv_i(wv)/1.e9.LT.lambda(Nwv+1)) THEN |
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| 259 | n_i(Nwv)=n_i(Nwv)+index_i(wv) |
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| 260 | count_n_i=count_n_i+1.0 |
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| 261 | ENDIF |
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| 262 | ENDDO |
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| 263 | c |
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| 264 | IF (count_n_i.GT.0.5) THEN |
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| 265 | c--on moyenne |
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| 266 | n_i(Nwv)=n_i(Nwv)/count_n_i |
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| 267 | ELSE |
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| 268 | c--sinon plus proche voisin |
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| 269 | DO wv=1, nb_wv_i |
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| 270 | IF (wv_i(wv)/1.e9.LT.lambda_int(Nwv)) THEN |
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| 271 | n_i(Nwv)=index_i(wv) |
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| 272 | ENDIF |
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| 273 | ENDDO |
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| 274 | ENDIF |
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| 275 | c |
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| 276 | ENDDO |
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| 277 | c |
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| 278 | c--then the reference wavelengths |
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| 279 | DO nb=1, nb_lambda_ref |
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| 280 | c |
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| 281 | DO wv=1, nb_wv_r |
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| 282 | IF (wv_r(wv)/1.e9.LT.lambda_ref(nb)) THEN |
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| 283 | n_r(NwvmaxSW+nb)=index_r(wv) |
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| 284 | ENDIF |
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| 285 | ENDDO |
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| 286 | c |
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| 287 | DO wv=1, nb_wv_i |
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| 288 | IF (wv_i(wv)/1.e9.LT.lambda_ref(nb)) THEN |
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| 289 | n_i(NwvmaxSW+nb)=index_i(wv) |
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| 290 | ENDIF |
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| 291 | ENDDO |
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| 292 | c |
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| 293 | ENDDO |
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| 294 | c |
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| 295 | c--read Claudia's LW refractive index data |
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| 296 | c--format 4x imaginary parts + 4 real parts |
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| 297 | OPEN (unit=11,file=sourcefile//'Refractive_Index_Dust_LW.txt') |
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| 298 | READ(11,*) dummy |
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| 299 | READ(11,*) dummy |
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| 300 | DO nb=1,nb_lambda_dust_LW |
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| 301 | READ(11,*) ref_wv(nb),ref_ind_i(nb,:), |
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| 302 | . ref_wv(nb),ref_ind_r(nb,:) |
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| 303 | ref_wv(nb)=ref_wv(nb)*1.e-6 !--convert in m |
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| 304 | ENDDO |
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| 305 | CLOSE(11) |
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| 306 | c |
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| 307 | c--extrapolate LW refractive index data |
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| 308 | DO Nwv=NwvmaxSW+nb_lambda_ref+1, NwvmaxSW+nb_lambda_ref+NwvmaxLW |
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| 309 | ! for lambda larger than largest value, take largest value |
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| 310 | IF (lambda_int(Nwv).GE.ref_wv(nb_lambda_dust_LW)) THEN |
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| 311 | n_r(Nwv)=ref_ind_r(nb_lambda_dust_LW,imod) |
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| 312 | n_i(Nwv)=ref_ind_i(nb_lambda_dust_LW,imod) |
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| 313 | ELSEIF (lambda_int(Nwv).LE.ref_wv(1)) THEN |
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| 314 | n_r(Nwv)=ref_ind_r(1,imod) |
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| 315 | n_i(Nwv)=ref_ind_i(1,imod) |
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| 316 | ELSE |
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| 317 | DO nb=1,nb_lambda_dust_LW |
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| 318 | IF (ref_wv(nb).LT.lambda_int(Nwv)) ilambda1=nb |
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| 319 | ENDDO |
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| 320 | DO nb=nb_lambda_dust_LW,1,-1 |
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| 321 | IF (ref_wv(nb).GT.lambda_int(Nwv)) ilambda2=nb |
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| 322 | ENDDO |
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| 323 | n_r(Nwv)=ref_ind_r(ilambda1,imod)+ |
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| 324 | . (lambda_int(Nwv)-ref_wv(ilambda1))/ |
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| 325 | . (ref_wv(ilambda2)-ref_wv(ilambda1))* |
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| 326 | . (ref_ind_r(ilambda2,imod)-ref_ind_r(ilambda1,imod)) |
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| 327 | n_i(Nwv)=ref_ind_i(ilambda1,imod)+ |
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| 328 | . (lambda_int(Nwv)-ref_wv(ilambda1))/ |
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| 329 | . (ref_wv(ilambda2)-ref_wv(ilambda1))* |
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| 330 | . (ref_ind_i(ilambda2,imod)-ref_ind_i(ilambda1,imod)) |
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| 331 | ENDIF |
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| 332 | ENDDO |
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| 333 | c |
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| 334 | c--save extrapolated refr index |
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| 335 | OPEN (unit=11,file=sourcefile//'Refractive_Index_Dust_SW_ex.txt') |
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| 336 | DO Nwv=1, NwvmaxSW+nb_lambda_ref |
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| 337 | WRITE(11,*) lambda_int(Nwv), n_r(Nwv), n_i(Nwv) |
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| 338 | ENDDO |
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| 339 | CLOSE(11) |
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| 340 | c |
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| 341 | OPEN (unit=11,file=sourcefile//'Refractive_Index_Dust_LW_ex.txt') |
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| 342 | DO Nwv=NwvmaxSW+nb_lambda_ref+1, NwvmaxSW+nb_lambda_ref+NwvmaxLW |
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| 343 | WRITE(11,*) lambda_int(Nwv), n_r(Nwv), n_i(Nwv) |
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| 344 | ENDDO |
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| 345 | CLOSE(11) |
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| 346 | c |
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| 347 | c---Loop on wavelengths |
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| 348 | DO Nwv=1, NwvmaxSW+nb_lambda_ref+NwvmaxLW |
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| 349 | c |
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| 350 | m=CMPLX(n_r(Nwv),-n_i(Nwv)) |
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| 351 | c |
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| 352 | pi=4.*ATAN(1.) |
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| 353 | c |
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| 354 | I=CMPLX(0.,1.) |
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| 355 | c |
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| 356 | sigma_sca=0.0 |
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| 357 | sigma_ext=0.0 |
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| 358 | sigma_abs=0.0 |
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| 359 | gtot=0.0 |
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| 360 | omegatot=0.0 |
|---|
| 361 | masse = 0.0 |
|---|
| 362 | volume=0.0 |
|---|
| 363 | surface=0.0 |
|---|
| 364 | c |
|---|
| 365 | DO bin=0, Nbin !---loop on size bins |
|---|
| 366 | |
|---|
| 367 | r=exp(log(rmin)+FLOAT(bin)/FLOAT(Nbin)*(log(rmax)-log(rmin))) |
|---|
| 368 | ! PRINT *, 'r =', r |
|---|
| 369 | x=2.*pi*r/lambda_int(Nwv) |
|---|
| 370 | deltar=1./FLOAT(Nbin)*(log(rmax)-log(rmin)) |
|---|
| 371 | c |
|---|
| 372 | number=0 |
|---|
| 373 | DO dis=1, Ndis |
|---|
| 374 | ! PRINT *, 'Ntot(dis) =', Ntot(dis) |
|---|
| 375 | ! PRINT *, 'r_0(dis) =', r_0(dis) |
|---|
| 376 | ! PRINT *, 'sigma_g(dis) =', sigma_g(dis) |
|---|
| 377 | number=number+Ntot(dis)/SQRT(2.*pi)/log(sigma_g(dis))* |
|---|
| 378 | . exp(-0.5*(log(r/r_0(dis))/log(sigma_g(dis)))**2) |
|---|
| 379 | masse=masse +4./3.*pi*(r**3)*number* |
|---|
| 380 | . deltar*rho*1.E3 !--g/m3 |
|---|
| 381 | volume=volume+4./3.*pi*(r**3)*number*deltar |
|---|
| 382 | surface=surface+4.*pi*r**2*number*deltar |
|---|
| 383 | ENDDO |
|---|
| 384 | |
|---|
| 385 | ! PRINT *, 'number =', number |
|---|
| 386 | c |
|---|
| 387 | k2=m |
|---|
| 388 | k3=CMPLX(1.0,0.0) |
|---|
| 389 | |
|---|
| 390 | z2=CMPLX(x,0.0) |
|---|
| 391 | z1=m*z2 |
|---|
| 392 | |
|---|
| 393 | IF (0.0.LE.x.AND.x.LE.8.) THEN |
|---|
| 394 | Nmax=INT(x+4*x**(1./3.)+1.)+2 |
|---|
| 395 | ELSEIF (8..LT.x.AND.x.LT.4200.) THEN |
|---|
| 396 | Nmax=INT(x+4.05*x**(1./3.)+2.)+1 |
|---|
| 397 | ELSEIF (4200..LE.x.AND.x.LE.20000.) THEN |
|---|
| 398 | Nmax=INT(x+4*x**(1./3.)+2.)+1 |
|---|
| 399 | ELSE |
|---|
| 400 | PRINT *, 'x out of bound, x=', x |
|---|
| 401 | STOP |
|---|
| 402 | ENDIF |
|---|
| 403 | |
|---|
| 404 | Nstart=Nmax+10 |
|---|
| 405 | |
|---|
| 406 | C-----------loop for nu1z1, nu1z2 |
|---|
| 407 | |
|---|
| 408 | nu1z1(Nstart)=CMPLX(0.0,0.0) |
|---|
| 409 | nu1z2(Nstart)=CMPLX(0.0,0.0) |
|---|
| 410 | DO n=Nstart-1, 1 , -1 |
|---|
| 411 | nn=CMPLX(FLOAT(n),0.0) |
|---|
| 412 | nu1z1(n)=(nn+1.)/z1 - 1./( (nn+1.)/z1 + nu1z1(n+1) ) |
|---|
| 413 | nu1z2(n)=(nn+1.)/z2 - 1./( (nn+1.)/z2 + nu1z2(n+1) ) |
|---|
| 414 | ENDDO |
|---|
| 415 | |
|---|
| 416 | C------------loop for nu3z2 |
|---|
| 417 | |
|---|
| 418 | nu3z2(0)=-I |
|---|
| 419 | DO n=1, Nmax |
|---|
| 420 | nn=CMPLX(FLOAT(n),0.0) |
|---|
| 421 | nu3z2(n)=-nn/z2 + 1./ (nn/z2 - nu3z2(n-1) ) |
|---|
| 422 | ENDDO |
|---|
| 423 | |
|---|
| 424 | C-----------loop for psiz2 and ksiz2 (z2) |
|---|
| 425 | ksiz2(-1)=COS(REAL(z2))-I*SIN(REAL(z2)) |
|---|
| 426 | ksiz2(0)=SIN(REAL(z2))+I*COS(REAL(z2)) |
|---|
| 427 | DO n=1,Nmax |
|---|
| 428 | nn=CMPLX(FLOAT(n),0.0) |
|---|
| 429 | ksiz2(n)=(2.*nn-1.)/z2 * ksiz2(n-1) - ksiz2(n-2) |
|---|
| 430 | psiz2(n)=CMPLX(REAL(ksiz2(n)),0.0) |
|---|
| 431 | ENDDO |
|---|
| 432 | |
|---|
| 433 | C-----------loop for a(n) and b(n) |
|---|
| 434 | |
|---|
| 435 | DO n=1, Nmax |
|---|
| 436 | u1=k3*nu1z1(n) - k2*nu1z2(n) |
|---|
| 437 | u5=k3*nu1z1(n) - k2*nu3z2(n) |
|---|
| 438 | u6=k2*nu1z1(n) - k3*nu1z2(n) |
|---|
| 439 | u8=k2*nu1z1(n) - k3*nu3z2(n) |
|---|
| 440 | a(n)=psiz2(n)/ksiz2(n) * u1/u5 |
|---|
| 441 | b(n)=psiz2(n)/ksiz2(n) * u6/u8 |
|---|
| 442 | ENDDO |
|---|
| 443 | |
|---|
| 444 | C-----------------final loop-------------- |
|---|
| 445 | Q_ext=0.0 |
|---|
| 446 | Q_sca=0.0 |
|---|
| 447 | g=0.0 |
|---|
| 448 | DO n=Nmax-1,1,-1 |
|---|
| 449 | nnn=FLOAT(n) |
|---|
| 450 | Q_ext=Q_ext+ (2.*nnn+1.) * REAL( a(n)+b(n) ) |
|---|
| 451 | Q_sca=Q_sca+ (2.*nnn+1.) * |
|---|
| 452 | . REAL( a(n)*CONJG(a(n)) + b(n)*CONJG(b(n)) ) |
|---|
| 453 | g=g + nnn*(nnn+2.)/(nnn+1.) * |
|---|
| 454 | . REAL( a(n)*CONJG(a(n+1))+b(n)*CONJG(b(n+1)) ) + |
|---|
| 455 | . (2.*nnn+1.)/nnn/(nnn+1.) * REAL(a(n)*CONJG(b(n))) |
|---|
| 456 | ENDDO |
|---|
| 457 | Q_ext=2./x**2 * Q_ext |
|---|
| 458 | Q_sca=2./x**2 * Q_sca |
|---|
| 459 | Q_abs=Q_ext-Q_sca |
|---|
| 460 | IF (AIMAG(m).EQ.0.0) Q_abs=0.0 |
|---|
| 461 | omega=Q_sca/Q_ext |
|---|
| 462 | g=g*4./x**2/Q_sca |
|---|
| 463 | c |
|---|
| 464 | sigma_sca=sigma_sca+r**2*Q_sca*number*deltar |
|---|
| 465 | sigma_abs=sigma_abs+r**2*Q_abs*number*deltar |
|---|
| 466 | sigma_ext=sigma_ext+r**2*Q_ext*number*deltar |
|---|
| 467 | omegatot=omegatot+r**2*Q_ext*omega*number*deltar |
|---|
| 468 | gtot =gtot+r**2*Q_sca*g*number*deltar |
|---|
| 469 | c |
|---|
| 470 | ENDDO !---bin |
|---|
| 471 | C------------------------------------------------------------------ |
|---|
| 472 | |
|---|
| 473 | sigma_sca=pi*sigma_sca |
|---|
| 474 | sigma_abs=pi*sigma_abs |
|---|
| 475 | sigma_ext=pi*sigma_ext |
|---|
| 476 | gtot=pi*gtot/sigma_sca |
|---|
| 477 | omegatot=pi*omegatot/sigma_ext |
|---|
| 478 | c |
|---|
| 479 | final_g(Nwv)=gtot |
|---|
| 480 | final_w(Nwv)=omegatot |
|---|
| 481 | final_a(Nwv)=sigma_ext/masse |
|---|
| 482 | c |
|---|
| 483 | ENDDO !--loop on wavelength |
|---|
| 484 | c |
|---|
| 485 | c---averaging over LMDZ wavebands |
|---|
| 486 | c |
|---|
| 487 | DO band=1, NbandSW+NbandLW |
|---|
| 488 | gcm_a(band)=0.0 |
|---|
| 489 | gcm_g(band)=0.0 |
|---|
| 490 | gcm_w(band)=0.0 |
|---|
| 491 | gcm_weight_a(band)=0.0 |
|---|
| 492 | gcm_weight_g(band)=0.0 |
|---|
| 493 | gcm_weight_w(band)=0.0 |
|---|
| 494 | ENDDO |
|---|
| 495 | c |
|---|
| 496 | c---band 1 is now in the UV, so we take the first wavelength as being representative |
|---|
| 497 | DO Nwv=1,1 |
|---|
| 498 | bandSW=1 |
|---|
| 499 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
|---|
| 500 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
|---|
| 501 | gcm_w(bandSW)=gcm_w(bandSW)+ |
|---|
| 502 | . final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
|---|
| 503 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+ |
|---|
| 504 | . final_a(Nwv)*weight(Nwv) |
|---|
| 505 | gcm_g(bandSW)=gcm_g(bandSW)+ |
|---|
| 506 | . final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 507 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+ |
|---|
| 508 | . final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 509 | ENDDO |
|---|
| 510 | c |
|---|
| 511 | DO Nwv=1,NwvmaxSW |
|---|
| 512 | c |
|---|
| 513 | IF (lambda_int(Nwv).LE.wv_rrtm_SW(3)) THEN !--RRTM spectral interval 2 |
|---|
| 514 | bandSW=2 |
|---|
| 515 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(4)) THEN !--RRTM spectral interval 3 |
|---|
| 516 | bandSW=3 |
|---|
| 517 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(5)) THEN !--RRTM spectral interval 4 |
|---|
| 518 | bandSW=4 |
|---|
| 519 | ELSEIF (lambda_int(Nwv).LE.wv_rrtm_SW(6)) THEN !--RRTM spectral interval 5 |
|---|
| 520 | bandSW=5 |
|---|
| 521 | ELSE !--RRTM spectral interval 6 |
|---|
| 522 | bandSW=6 |
|---|
| 523 | ENDIF |
|---|
| 524 | c |
|---|
| 525 | gcm_a(bandSW)=gcm_a(bandSW)+final_a(Nwv)*weight(Nwv) |
|---|
| 526 | gcm_weight_a(bandSW)=gcm_weight_a(bandSW)+weight(Nwv) |
|---|
| 527 | gcm_w(bandSW)=gcm_w(bandSW)+ |
|---|
| 528 | . final_w(Nwv)*final_a(Nwv)*weight(Nwv) |
|---|
| 529 | gcm_weight_w(bandSW)=gcm_weight_w(bandSW)+ |
|---|
| 530 | . final_a(Nwv)*weight(Nwv) |
|---|
| 531 | gcm_g(bandSW)=gcm_g(bandSW)+ |
|---|
| 532 | . final_g(Nwv)*final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 533 | gcm_weight_g(bandSW)=gcm_weight_g(bandSW)+ |
|---|
| 534 | . final_a(Nwv)*final_w(Nwv)*weight(Nwv) |
|---|
| 535 | |
|---|
| 536 | ENDDO |
|---|
| 537 | c |
|---|
| 538 | DO Nwv=1,NwvmaxLW |
|---|
| 539 | ll=lambda_int(NwvmaxSW+nb_lambda_ref+Nwv) |
|---|
| 540 | dl=dlambda_int(NwvmaxSW+nb_lambda_ref+Nwv) |
|---|
| 541 | weightLW=1./ll**5./(exp(hh*cc/kb/Tb/ll)-1.)*dl |
|---|
| 542 | DO band=1, NbandLW |
|---|
| 543 | IF (wv_rrtm(band+1).LE.ll.AND.ll.LE.wv_rrtm(band)) THEN |
|---|
| 544 | bandLW=band |
|---|
| 545 | ENDIF |
|---|
| 546 | ENDDO |
|---|
| 547 | c print *,'Nwv =',Nwv,lambda_int(NwvmaxSW+nb_lambda_ref+Nwv), |
|---|
| 548 | c . wv_rrtm(bandLW),wv_rrtm(bandLW+1),bandLW |
|---|
| 549 | c--extinction |
|---|
| 550 | gcm_a(NbandSW+bandLW)=gcm_a(NbandSW+bandLW)+ |
|---|
| 551 | . final_a(NwvmaxSW+nb_lambda_ref+Nwv)*weightLW |
|---|
| 552 | gcm_weight_a(NbandSW+bandLW)= |
|---|
| 553 | . gcm_weight_a(NbandSW+bandLW)+weightLW |
|---|
| 554 | c--single scattering albedo |
|---|
| 555 | gcm_w(NbandSW+bandLW)=gcm_w(NbandSW+bandLW)+ |
|---|
| 556 | . final_w(NwvmaxSW+nb_lambda_ref+Nwv)* |
|---|
| 557 | . final_a(NwvmaxSW+nb_lambda_ref+Nwv)*weightLW |
|---|
| 558 | gcm_weight_w(NbandSW+bandLW)=gcm_weight_w(NbandSW+bandLW)+ |
|---|
| 559 | . final_a(NwvmaxSW+nb_lambda_ref+Nwv)*weightLW |
|---|
| 560 | c--asymetry parameter |
|---|
| 561 | gcm_g(NbandSW+bandLW)=gcm_g(NbandSW+bandLW)+ |
|---|
| 562 | . final_g(NwvmaxSW+nb_lambda_ref+Nwv)* |
|---|
| 563 | . final_a(NwvmaxSW+nb_lambda_ref+Nwv)* |
|---|
| 564 | . final_w(NwvmaxSW+nb_lambda_ref+Nwv)*weightLW |
|---|
| 565 | gcm_weight_g(NbandSW+bandLW)=gcm_weight_g(NbandSW+bandLW)+ |
|---|
| 566 | . final_a(NwvmaxSW+nb_lambda_ref+Nwv)* |
|---|
| 567 | . final_w(NwvmaxSW+nb_lambda_ref+Nwv)*weightLW |
|---|
| 568 | ENDDO |
|---|
| 569 | c |
|---|
| 570 | DO band=1, NbandSW |
|---|
| 571 | gcm_a(band)=gcm_a(band)/gcm_weight_a(band) |
|---|
| 572 | gcm_w(band)=gcm_w(band)/gcm_weight_w(band) |
|---|
| 573 | gcm_g(band)=gcm_g(band)/gcm_weight_g(band) |
|---|
| 574 | ss_a(band)=gcm_a(band) |
|---|
| 575 | ss_w(band)=gcm_w(band) |
|---|
| 576 | ss_g(band)=gcm_g(band) |
|---|
| 577 | ENDDO |
|---|
| 578 | c |
|---|
| 579 | DO band=NbandSW+1, NbandSW+NbandLW |
|---|
| 580 | gcm_a(band)=gcm_a(band)/gcm_weight_a(band) |
|---|
| 581 | gcm_w(band)=gcm_w(band)/gcm_weight_w(band) |
|---|
| 582 | gcm_g(band)=gcm_g(band)/gcm_weight_g(band) |
|---|
| 583 | ss_a(band)=gcm_a(band) |
|---|
| 584 | ss_w(band)=gcm_w(band) |
|---|
| 585 | ss_g(band)=gcm_g(band) |
|---|
| 586 | ENDDO |
|---|
| 587 | c |
|---|
| 588 | DO nb=1, nb_lambda_ref |
|---|
| 589 | ss_a(NbandSW+NbandLW+nb)=final_a(NwvmaxSW+nb) |
|---|
| 590 | ss_w(NbandSW+NbandLW+nb)=final_w(NwvmaxSW+nb) |
|---|
| 591 | ss_g(NbandSW+NbandLW+nb)=final_g(NwvmaxSW+nb) |
|---|
| 592 | ENDDO |
|---|
| 593 | c-------------------------------------------------------------- |
|---|
| 594 | c--saving output data |
|---|
| 595 | c-------------------------------------------------------------- |
|---|
| 596 | c OPEN (unit=14, file=fileplace// |
|---|
| 597 | c . 'aer_optical_properties_streamer_imod'//run//'.txt') |
|---|
| 598 | c |
|---|
| 599 | c DO nwv=1,NwvmaxSW |
|---|
| 600 | c WRITE(14,*)lambda_int(Nwv), |
|---|
| 601 | c . final_a(nwv),final_w(nwv),final_g(nwv) |
|---|
| 602 | c ENDDO |
|---|
| 603 | c |
|---|
| 604 | c CLOSE(14) |
|---|
| 605 | c-------------------------------------------------------------- |
|---|
| 606 | OPEN (unit=14, file=fileplace//'SEXT_dust_6bands.txt') |
|---|
| 607 | WRITE(14,*) ' ! Dust insoluble' |
|---|
| 608 | WRITE(14,952) (ss_a(k),k=1,NbandSW) |
|---|
| 609 | CLOSE(14) |
|---|
| 610 | OPEN (unit=14, file=fileplace//'SSA_dust_6bands.txt') |
|---|
| 611 | WRITE(14,*) ' ! Dust insoluble' |
|---|
| 612 | WRITE(14,952) (ss_w(k),k=1,NbandSW) |
|---|
| 613 | CLOSE(14) |
|---|
| 614 | OPEN (unit=14, file=fileplace//'G_dust_6bands.txt') |
|---|
| 615 | WRITE(14,*) ' ! Dust insoluble' |
|---|
| 616 | WRITE(14,952) (ss_g(k),k=1,NbandSW) |
|---|
| 617 | CLOSE(14) |
|---|
| 618 | 952 FORMAT(1X,6(F6.3,','),' &') |
|---|
| 619 | c-------------------------------------------------------------- |
|---|
| 620 | OPEN (unit=14, file=fileplace//'SEXT_dust_5wave.txt') |
|---|
| 621 | WRITE(14,*) ' ! extinction Dust insoluble' |
|---|
| 622 | WRITE(14,953) (ss_a(k), |
|---|
| 623 | . k=NbandSW+NbandLW+1,NbandSW+NbandLW+nb_lambda_ref) |
|---|
| 624 | CLOSE(14) |
|---|
| 625 | OPEN (unit=14, file=fileplace//'SABS_dust_5wave.txt') |
|---|
| 626 | WRITE(14,*) ' ! absorption Dust insoluble' |
|---|
| 627 | WRITE(14,953) ((1.0-ss_w(k))*ss_a(k), |
|---|
| 628 | . k=NbandSW+NbandLW+1,NbandSW+NbandLW+nb_lambda_ref) |
|---|
| 629 | CLOSE(14) |
|---|
| 630 | 953 FORMAT(1X,5(F6.3,','),' &') |
|---|
| 631 | c-------------------------------------------------------------- |
|---|
| 632 | c OPEN (unit=14, file=fileplace// |
|---|
| 633 | c . 'aer_optical_properties_LW_16bands_imod'//run//'.txt') |
|---|
| 634 | c |
|---|
| 635 | c DO k=NbandSW+1,NbandSW+NbandLW |
|---|
| 636 | c WRITE(14,*)wv_rrtm(k-NbandSW),wv_rrtm(k-NbandSW+1), |
|---|
| 637 | c . ss_a(k),ss_w(k),ss_g(k) |
|---|
| 638 | c ENDDO |
|---|
| 639 | c |
|---|
| 640 | c CLOSE(14) |
|---|
| 641 | c-------------------------------------------------------------- |
|---|
| 642 | c-LW alpha for RRtm: only absorption, no scattering |
|---|
| 643 | c decreasing wavelength or increasing wavenumber |
|---|
| 644 | OPEN (unit=14, file=fileplace// |
|---|
| 645 | . 'SABS_dust_16bands_imod'//run//'.txt') |
|---|
| 646 | WRITE(14,*) ' ! Dust insoluble' |
|---|
| 647 | WRITE(14,954) (ss_a(NbandSW+k)*(1.-ss_w(NbandSW+k)), |
|---|
| 648 | . k=1,NbandLW/2) |
|---|
| 649 | WRITE(14,955) (ss_a(NbandSW+k)*(1.-ss_w(NbandSW+k)), |
|---|
| 650 | . k=NbandLW/2+1,NbandLW) |
|---|
| 651 | CLOSE(14) |
|---|
| 652 | 954 FORMAT(1X,8(F6.3,','),' &') |
|---|
| 653 | 955 FORMAT(1X,7(F6.3,','),1(F6.3),' /') |
|---|
| 654 | c |
|---|
| 655 | c--------------------------------------------------------------- |
|---|
| 656 | END |
|---|
