1 | ! $Id: newmicro.F90 2160 2014-11-28 15:36:29Z idelkadi $ |
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2 | |
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3 | |
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4 | |
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5 | SUBROUTINE newmicro(ok_cdnc, bl95_b0, bl95_b1, paprs, pplay, t, pqlwp, pclc, & |
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6 | pcltau, pclemi, pch, pcl, pcm, pct, pctlwp, xflwp, xfiwp, xflwc, xfiwc, & |
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7 | mass_solu_aero, mass_solu_aero_pi, pcldtaupi, re, fl, reliq, reice, & |
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8 | reliq_pi, reice_pi) |
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9 | |
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10 | USE dimphy |
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11 | USE phys_local_var_mod, ONLY: scdnc, cldncl, reffclwtop, lcc, reffclws, & |
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12 | reffclwc, cldnvi, lcc3d, lcc3dcon, lcc3dstra |
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13 | USE phys_state_var_mod, ONLY: rnebcon, clwcon |
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14 | USE icefrac_lsc_mod ! computes ice fraction (JBM 3/14) |
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15 | IMPLICIT NONE |
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16 | ! ====================================================================== |
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17 | ! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 |
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18 | ! O. Boucher (LMD/CNRS) mise a jour en 201212 |
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19 | ! Objet: Calculer epaisseur optique et emmissivite des nuages |
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20 | ! ====================================================================== |
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21 | ! Arguments: |
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22 | ! ok_cdnc-input-L-flag pour calculer les rayons a partir des aerosols |
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23 | |
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24 | ! t-------input-R-temperature |
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25 | ! pqlwp---input-R-eau liquide nuageuse dans l'atmosphere dans la partie |
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26 | ! nuageuse (kg/kg) |
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27 | ! pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) |
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28 | ! mass_solu_aero-----input-R-total mass concentration for all soluble |
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29 | ! aerosols[ug/m^3] |
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30 | ! mass_solu_aero_pi--input-R-ditto, pre-industrial value |
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31 | |
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32 | ! bl95_b0-input-R-a PARAMETER, may be varied for tests (s-sea, l-land) |
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33 | ! bl95_b1-input-R-a PARAMETER, may be varied for tests ( -"- ) |
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34 | |
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35 | ! re------output-R-Cloud droplet effective radius multiplied by fl [um] |
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36 | ! fl------output-R-Denominator to re, introduced to avoid problems in |
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37 | ! the averaging of the output. fl is the fraction of liquid |
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38 | ! water clouds within a grid cell |
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39 | |
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40 | ! pcltau--output-R-epaisseur optique des nuages |
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41 | ! pclemi--output-R-emissivite des nuages (0 a 1) |
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42 | ! pcldtaupi-output-R-pre-industrial value of cloud optical thickness, |
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43 | |
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44 | ! pcl-output-R-2D low-level cloud cover |
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45 | ! pcm-output-R-2D mid-level cloud cover |
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46 | ! pch-output-R-2D high-level cloud cover |
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47 | ! pct-output-R-2D total cloud cover |
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48 | ! ====================================================================== |
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49 | |
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50 | include "YOMCST.h" |
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51 | include "nuage.h" |
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52 | include "radepsi.h" |
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53 | include "radopt.h" |
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54 | |
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55 | ! choix de l'hypothese de recouvrememnt nuageuse |
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56 | LOGICAL random, maximum_random, maximum |
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57 | PARAMETER (random=.FALSE., maximum_random=.TRUE., maximum=.FALSE.) |
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58 | |
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59 | LOGICAL, SAVE :: first = .TRUE. |
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60 | !$OMP THREADPRIVATE(FIRST) |
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61 | INTEGER flag_max |
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62 | |
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63 | ! threshold PARAMETERs |
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64 | REAL thres_tau, thres_neb |
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65 | PARAMETER (thres_tau=0.3, thres_neb=0.001) |
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66 | |
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67 | REAL phase3d(klon, klev) |
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68 | REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon) |
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69 | |
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70 | REAL paprs(klon, klev+1) |
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71 | REAL pplay(klon, klev) |
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72 | REAL t(klon, klev) |
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73 | REAL pclc(klon, klev) |
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74 | REAL pqlwp(klon, klev) |
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75 | REAL pcltau(klon, klev) |
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76 | REAL pclemi(klon, klev) |
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77 | REAL pcldtaupi(klon, klev) |
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78 | |
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79 | REAL pct(klon) |
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80 | REAL pcl(klon) |
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81 | REAL pcm(klon) |
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82 | REAL pch(klon) |
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83 | REAL pctlwp(klon) |
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84 | |
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85 | LOGICAL lo |
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86 | |
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87 | ! !Abderr modif JL mail du 19.01.2011 18:31 |
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88 | ! REAL cetahb, cetamb |
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89 | ! PARAMETER (cetahb = 0.45, cetamb = 0.80) |
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90 | ! Remplacer |
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91 | ! cetahb*paprs(i,1) par prmhc |
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92 | ! cetamb*paprs(i,1) par prlmc |
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93 | REAL prmhc ! Pressure between medium and high level cloud in Pa |
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94 | REAL prlmc ! Pressure between low and medium level cloud in Pa |
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95 | PARAMETER (prmhc=440.*100., prlmc=680.*100.) |
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96 | |
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97 | INTEGER i, k |
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98 | REAL xflwp(klon), xfiwp(klon) |
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99 | REAL xflwc(klon, klev), xfiwc(klon, klev) |
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100 | |
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101 | REAL radius |
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102 | |
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103 | REAL coef_froi, coef_chau |
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104 | PARAMETER (coef_chau=0.13, coef_froi=0.09) |
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105 | |
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106 | REAL seuil_neb |
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107 | PARAMETER (seuil_neb=0.001) |
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108 | |
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109 | ! JBM (3/14) nexpo is replaced by exposant_glace |
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110 | ! INTEGER nexpo ! exponentiel pour glace/eau |
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111 | ! PARAMETER (nexpo=6) |
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112 | ! PARAMETER (nexpo=1) |
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113 | ! if iflag_t_glace=0, the old values are used: |
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114 | REAL, PARAMETER :: t_glace_min_old = 258. |
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115 | REAL, PARAMETER :: t_glace_max_old = 273.13 |
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116 | |
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117 | REAL rel, tc, rei |
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118 | REAL k_ice0, k_ice, df |
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119 | PARAMETER (k_ice0=0.005) ! units=m2/g |
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120 | PARAMETER (df=1.66) ! diffusivity factor |
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121 | |
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122 | ! jq for the aerosol indirect effect |
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123 | ! jq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 |
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124 | ! jq |
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125 | REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3] |
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126 | REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value) |
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127 | REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] |
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128 | REAL re(klon, klev) ! cloud droplet effective radius [um] |
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129 | REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) |
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130 | REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) |
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131 | |
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132 | REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds |
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133 | ! within the grid cell) |
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134 | |
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135 | LOGICAL ok_cdnc |
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136 | REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula |
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137 | |
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138 | ! jq-end |
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139 | ! IM cf. CR:parametres supplementaires |
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140 | REAL zclear(klon) |
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141 | REAL zcloud(klon) |
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142 | REAL zcloudh(klon) |
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143 | REAL zcloudm(klon) |
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144 | REAL zcloudl(klon) |
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145 | REAL rhodz(klon, klev) !--rho*dz pour la couche |
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146 | REAL zrho(klon, klev) !--rho pour la couche |
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147 | REAL dh(klon, klev) !--dz pour la couche |
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148 | REAL zfice(klon, klev) |
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149 | REAL rad_chaud(klon, klev) !--rayon pour les nuages chauds |
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150 | REAL rad_chaud_pi(klon, klev) !--rayon pour les nuages chauds pre-industriels |
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151 | REAL zflwp_var, zfiwp_var |
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152 | REAL d_rei_dt |
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153 | |
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154 | ! Abderrahmane oct 2009 |
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155 | REAL reliq(klon, klev), reice(klon, klev) |
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156 | REAL reliq_pi(klon, klev), reice_pi(klon, klev) |
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157 | |
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158 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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159 | ! FH : 2011/05/24 |
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160 | |
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161 | ! rei = ( rei_max - rei_min ) * T(°C) / 81.4 + rei_max |
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162 | ! to be used for a temperature in celcius T(°C) < 0 |
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163 | ! rei=rei_min for T(°C) < -81.4 |
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164 | |
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165 | ! Calcul de la pente de la relation entre rayon effective des cristaux |
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166 | ! et la température. |
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167 | ! Pour retrouver les résultats numériques de la version d'origine, |
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168 | ! on impose 0.71 quand on est proche de 0.71 |
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169 | |
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170 | d_rei_dt = (rei_max-rei_min)/81.4 |
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171 | IF (abs(d_rei_dt-0.71)<1.E-4) d_rei_dt = 0.71 |
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172 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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173 | |
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174 | ! Calculer l'epaisseur optique et l'emmissivite des nuages |
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175 | ! IM inversion des DO |
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176 | |
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177 | xflwp = 0.D0 |
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178 | xfiwp = 0.D0 |
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179 | xflwc = 0.D0 |
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180 | xfiwc = 0.D0 |
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181 | |
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182 | reliq = 0. |
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183 | reice = 0. |
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184 | reliq_pi = 0. |
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185 | reice_pi = 0. |
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186 | |
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187 | IF (iflag_t_glace.EQ.0) THEN |
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188 | DO k = 1, klev |
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189 | DO i = 1, klon |
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190 | ! -layer calculation |
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191 | rhodz(i, k) = (paprs(i,k)-paprs(i,k+1))/rg ! kg/m2 |
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192 | zrho(i, k) = pplay(i, k)/t(i, k)/rd ! kg/m3 |
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193 | dh(i, k) = rhodz(i, k)/zrho(i, k) ! m |
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194 | ! -Fraction of ice in cloud using a linear transition |
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195 | zfice(i, k) = 1.0 - (t(i,k)-t_glace_min_old)/(t_glace_max_old-t_glace_min_old) |
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196 | zfice(i, k) = min(max(zfice(i,k),0.0), 1.0) |
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197 | ! -IM Total Liquid/Ice water content |
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198 | xflwc(i, k) = (1.-zfice(i,k))*pqlwp(i, k) |
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199 | xfiwc(i, k) = zfice(i, k)*pqlwp(i, k) |
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200 | END DO |
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201 | END DO |
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202 | ELSE ! of IF (iflag_t_glace.EQ.0) |
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203 | DO k = 1, klev |
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204 | CALL icefrac_lsc(klon,t(:,k),pplay(:,k)/paprs(:,1),zfice(:,k)) |
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205 | |
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206 | |
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207 | ! JBM: icefrac_lsc is now contained icefrac_lsc_mod |
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208 | ! zfice(i, k) = icefrac_lsc(t(i,k), t_glace_min, & |
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209 | ! t_glace_max, exposant_glace) |
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210 | DO i = 1, klon |
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211 | ! -layer calculation |
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212 | rhodz(i, k) = (paprs(i,k)-paprs(i,k+1))/rg ! kg/m2 |
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213 | zrho(i, k) = pplay(i, k)/t(i, k)/rd ! kg/m3 |
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214 | dh(i, k) = rhodz(i, k)/zrho(i, k) ! m |
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215 | ! -IM Total Liquid/Ice water content |
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216 | xflwc(i, k) = (1.-zfice(i,k))*pqlwp(i, k) |
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217 | xfiwc(i, k) = zfice(i, k)*pqlwp(i, k) |
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218 | END DO |
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219 | END DO |
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220 | ENDIF |
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221 | |
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222 | IF (ok_cdnc) THEN |
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223 | |
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224 | ! --we compute cloud properties as a function of the aerosol load |
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225 | |
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226 | DO k = 1, klev |
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227 | DO i = 1, klon |
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228 | |
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229 | ! Formula "D" of Boucher and Lohmann, Tellus, 1995 |
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230 | ! Cloud droplet number concentration (CDNC) is restricted |
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231 | ! to be within [20, 1000 cm^3] |
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232 | |
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233 | ! --present-day case |
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234 | cdnc(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero(i,k), & |
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235 | 1.E-4))/log(10.))*1.E6 !-m-3 |
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236 | cdnc(i, k) = min(1000.E6, max(20.E6,cdnc(i,k))) |
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237 | |
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238 | ! --pre-industrial case |
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239 | cdnc_pi(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero_pi(i,k), & |
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240 | 1.E-4))/log(10.))*1.E6 !-m-3 |
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241 | cdnc_pi(i, k) = min(1000.E6, max(20.E6,cdnc_pi(i,k))) |
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242 | |
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243 | ! --present-day case |
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244 | rad_chaud(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & |
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245 | k)/(rd*t(i,k)))/(4./3*rpi*1000.*cdnc(i,k)))**(1./3.) |
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246 | rad_chaud(i, k) = max(rad_chaud(i,k)*1.E6, 5.) |
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247 | |
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248 | ! --pre-industrial case |
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249 | rad_chaud_pi(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & |
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250 | k)/(rd*t(i,k)))/(4./3.*rpi*1000.*cdnc_pi(i,k)))**(1./3.) |
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251 | rad_chaud_pi(i, k) = max(rad_chaud_pi(i,k)*1.E6, 5.) |
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252 | |
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253 | ! --pre-industrial case |
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254 | ! --liquid/ice cloud water paths: |
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255 | IF (pclc(i,k)<=seuil_neb) THEN |
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256 | |
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257 | pcldtaupi(i, k) = 0.0 |
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258 | |
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259 | ELSE |
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260 | |
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261 | zflwp_var = 1000.*(1.-zfice(i,k))*pqlwp(i, k)/pclc(i, k)* & |
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262 | rhodz(i, k) |
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263 | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) |
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264 | tc = t(i, k) - 273.15 |
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265 | rei = d_rei_dt*tc + rei_max |
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266 | IF (tc<=-81.4) rei = rei_min |
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267 | |
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268 | ! -- cloud optical thickness : |
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269 | ! [for liquid clouds, traditional formula, |
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270 | ! for ice clouds, Ebert & Curry (1992)] |
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271 | |
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272 | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. |
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273 | pcldtaupi(i, k) = 3.0/2.0*zflwp_var/rad_chaud_pi(i, k) + & |
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274 | zfiwp_var*(3.448E-03+2.431/rei) |
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275 | |
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276 | END IF |
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277 | |
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278 | END DO |
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279 | END DO |
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280 | |
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281 | ELSE !--not ok_cdnc |
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282 | |
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283 | ! -prescribed cloud droplet radius |
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284 | |
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285 | DO k = 1, min(3, klev) |
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286 | DO i = 1, klon |
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287 | rad_chaud(i, k) = rad_chau2 |
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288 | rad_chaud_pi(i, k) = rad_chau2 |
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289 | END DO |
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290 | END DO |
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291 | DO k = min(3, klev) + 1, klev |
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292 | DO i = 1, klon |
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293 | rad_chaud(i, k) = rad_chau1 |
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294 | rad_chaud_pi(i, k) = rad_chau1 |
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295 | END DO |
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296 | END DO |
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297 | |
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298 | END IF !--ok_cdnc |
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299 | |
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300 | ! --computation of cloud optical depth and emissivity |
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301 | ! --in the general case |
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302 | |
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303 | DO k = 1, klev |
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304 | DO i = 1, klon |
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305 | |
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306 | IF (pclc(i,k)<=seuil_neb) THEN |
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307 | |
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308 | ! effective cloud droplet radius (microns) for liquid water clouds: |
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309 | ! For output diagnostics cloud droplet effective radius [um] |
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310 | ! we multiply here with f * xl (fraction of liquid water |
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311 | ! clouds in the grid cell) to avoid problems in the averaging of the |
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312 | ! output. |
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313 | ! In the output of IOIPSL, derive the REAL cloud droplet |
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314 | ! effective radius as re/fl |
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315 | |
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316 | fl(i, k) = seuil_neb*(1.-zfice(i,k)) |
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317 | re(i, k) = rad_chaud(i, k)*fl(i, k) |
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318 | rel = 0. |
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319 | rei = 0. |
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320 | pclc(i, k) = 0.0 |
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321 | pcltau(i, k) = 0.0 |
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322 | pclemi(i, k) = 0.0 |
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323 | |
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324 | ELSE |
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325 | |
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326 | ! -- liquid/ice cloud water paths: |
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327 | |
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328 | zflwp_var = 1000.*(1.-zfice(i,k))*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) |
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329 | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) |
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330 | |
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331 | ! effective cloud droplet radius (microns) for liquid water clouds: |
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332 | ! For output diagnostics cloud droplet effective radius [um] |
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333 | ! we multiply here with f * xl (fraction of liquid water |
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334 | ! clouds in the grid cell) to avoid problems in the averaging of the |
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335 | ! output. |
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336 | ! In the output of IOIPSL, derive the REAL cloud droplet |
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337 | ! effective radius as re/fl |
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338 | |
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339 | fl(i, k) = pclc(i, k)*(1.-zfice(i,k)) |
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340 | re(i, k) = rad_chaud(i, k)*fl(i, k) |
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341 | |
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342 | rel = rad_chaud(i, k) |
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343 | |
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344 | ! for ice clouds: as a function of the ambiant temperature |
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345 | ! [formula used by Iacobellis and Somerville (2000), with an |
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346 | ! asymptotical value of 3.5 microns at T<-81.4 C added to be |
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347 | ! consistent with observations of Heymsfield et al. 1986]: |
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348 | ! 2011/05/24 : rei_min = 3.5 becomes a free PARAMETER as well as |
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349 | ! rei_max=61.29 |
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350 | |
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351 | tc = t(i, k) - 273.15 |
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352 | rei = d_rei_dt*tc + rei_max |
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353 | IF (tc<=-81.4) rei = rei_min |
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354 | |
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355 | ! -- cloud optical thickness : |
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356 | ! [for liquid clouds, traditional formula, |
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357 | ! for ice clouds, Ebert & Curry (1992)] |
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358 | |
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359 | IF (zflwp_var==0.) rel = 1. |
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360 | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. |
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361 | pcltau(i, k) = 3.0/2.0*(zflwp_var/rel) + zfiwp_var*(3.448E-03+2.431/ & |
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362 | rei) |
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363 | |
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364 | ! -- cloud infrared emissivity: |
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365 | ! [the broadband infrared absorption coefficient is PARAMETERized |
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366 | ! as a function of the effective cld droplet radius] |
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367 | ! Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): |
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368 | |
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369 | k_ice = k_ice0 + 1.0/rei |
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370 | |
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371 | pclemi(i, k) = 1.0 - exp(-coef_chau*zflwp_var-df*k_ice*zfiwp_var) |
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372 | |
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373 | END IF |
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374 | |
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375 | reice(i, k) = rei |
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376 | |
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377 | xflwp(i) = xflwp(i) + xflwc(i, k)*rhodz(i, k) |
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378 | xfiwp(i) = xfiwp(i) + xfiwc(i, k)*rhodz(i, k) |
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379 | |
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380 | END DO |
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381 | END DO |
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382 | |
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383 | ! --if cloud droplet radius is fixed, then pcldtaupi=pcltau |
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384 | |
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385 | IF (.NOT. ok_cdnc) THEN |
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386 | DO k = 1, klev |
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387 | DO i = 1, klon |
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388 | pcldtaupi(i, k) = pcltau(i, k) |
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389 | reice_pi(i, k) = reice(i, k) |
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390 | END DO |
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391 | END DO |
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392 | END IF |
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393 | |
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394 | DO k = 1, klev |
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395 | DO i = 1, klon |
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396 | reliq(i, k) = rad_chaud(i, k) |
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397 | reliq_pi(i, k) = rad_chaud_pi(i, k) |
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398 | reice_pi(i, k) = reice(i, k) |
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399 | END DO |
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400 | END DO |
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401 | |
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402 | ! COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS |
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403 | ! IM cf. CR:test: calcul prenant ou non en compte le recouvrement |
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404 | ! initialisations |
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405 | |
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406 | DO i = 1, klon |
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407 | zclear(i) = 1. |
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408 | zcloud(i) = 0. |
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409 | zcloudh(i) = 0. |
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410 | zcloudm(i) = 0. |
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411 | zcloudl(i) = 0. |
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412 | pch(i) = 1.0 |
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413 | pcm(i) = 1.0 |
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414 | pcl(i) = 1.0 |
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415 | pctlwp(i) = 0.0 |
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416 | END DO |
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417 | |
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418 | ! --calculation of liquid water path |
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419 | |
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420 | DO k = klev, 1, -1 |
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421 | DO i = 1, klon |
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422 | pctlwp(i) = pctlwp(i) + pqlwp(i, k)*rhodz(i, k) |
---|
423 | END DO |
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424 | END DO |
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425 | |
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426 | ! --calculation of cloud properties with cloud overlap |
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427 | |
---|
428 | IF (novlp==1) THEN |
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429 | DO k = klev, 1, -1 |
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430 | DO i = 1, klon |
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431 | zclear(i) = zclear(i)*(1.-max(pclc(i,k),zcloud(i)))/(1.-min(real( & |
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432 | zcloud(i),kind=8),1.-zepsec)) |
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433 | pct(i) = 1. - zclear(i) |
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434 | IF (paprs(i,k)<prmhc) THEN |
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435 | pch(i) = pch(i)*(1.-max(pclc(i,k),zcloudh(i)))/(1.-min(real(zcloudh & |
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436 | (i),kind=8),1.-zepsec)) |
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437 | zcloudh(i) = pclc(i, k) |
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438 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
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439 | pcm(i) = pcm(i)*(1.-max(pclc(i,k),zcloudm(i)))/(1.-min(real(zcloudm & |
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440 | (i),kind=8),1.-zepsec)) |
---|
441 | zcloudm(i) = pclc(i, k) |
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442 | ELSE IF (paprs(i,k)>=prlmc) THEN |
---|
443 | pcl(i) = pcl(i)*(1.-max(pclc(i,k),zcloudl(i)))/(1.-min(real(zcloudl & |
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444 | (i),kind=8),1.-zepsec)) |
---|
445 | zcloudl(i) = pclc(i, k) |
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446 | END IF |
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447 | zcloud(i) = pclc(i, k) |
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448 | END DO |
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449 | END DO |
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450 | ELSE IF (novlp==2) THEN |
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451 | DO k = klev, 1, -1 |
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452 | DO i = 1, klon |
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453 | zcloud(i) = max(pclc(i,k), zcloud(i)) |
---|
454 | pct(i) = zcloud(i) |
---|
455 | IF (paprs(i,k)<prmhc) THEN |
---|
456 | pch(i) = min(pclc(i,k), pch(i)) |
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457 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
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458 | pcm(i) = min(pclc(i,k), pcm(i)) |
---|
459 | ELSE IF (paprs(i,k)>=prlmc) THEN |
---|
460 | pcl(i) = min(pclc(i,k), pcl(i)) |
---|
461 | END IF |
---|
462 | END DO |
---|
463 | END DO |
---|
464 | ELSE IF (novlp==3) THEN |
---|
465 | DO k = klev, 1, -1 |
---|
466 | DO i = 1, klon |
---|
467 | zclear(i) = zclear(i)*(1.-pclc(i,k)) |
---|
468 | pct(i) = 1 - zclear(i) |
---|
469 | IF (paprs(i,k)<prmhc) THEN |
---|
470 | pch(i) = pch(i)*(1.0-pclc(i,k)) |
---|
471 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
---|
472 | pcm(i) = pcm(i)*(1.0-pclc(i,k)) |
---|
473 | ELSE IF (paprs(i,k)>=prlmc) THEN |
---|
474 | pcl(i) = pcl(i)*(1.0-pclc(i,k)) |
---|
475 | END IF |
---|
476 | END DO |
---|
477 | END DO |
---|
478 | END IF |
---|
479 | |
---|
480 | DO i = 1, klon |
---|
481 | pch(i) = 1. - pch(i) |
---|
482 | pcm(i) = 1. - pcm(i) |
---|
483 | pcl(i) = 1. - pcl(i) |
---|
484 | END DO |
---|
485 | |
---|
486 | ! ======================================================== |
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487 | ! DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL |
---|
488 | ! ======================================================== |
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489 | ! change by Nicolas Yan (LSCE) |
---|
490 | ! Cloud Droplet Number Concentration (CDNC) : 3D variable |
---|
491 | ! Fractionnal cover by liquid water cloud (LCC3D) : 3D variable |
---|
492 | ! Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable |
---|
493 | ! Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable |
---|
494 | ! Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable |
---|
495 | |
---|
496 | IF (ok_cdnc) THEN |
---|
497 | |
---|
498 | DO k = 1, klev |
---|
499 | DO i = 1, klon |
---|
500 | phase3d(i, k) = 1 - zfice(i, k) |
---|
501 | IF (pclc(i,k)<=seuil_neb) THEN |
---|
502 | lcc3d(i, k) = seuil_neb*phase3d(i, k) |
---|
503 | ELSE |
---|
504 | lcc3d(i, k) = pclc(i, k)*phase3d(i, k) |
---|
505 | END IF |
---|
506 | scdnc(i, k) = lcc3d(i, k)*cdnc(i, k) ! m-3 |
---|
507 | END DO |
---|
508 | END DO |
---|
509 | |
---|
510 | DO i = 1, klon |
---|
511 | lcc(i) = 0. |
---|
512 | reffclwtop(i) = 0. |
---|
513 | cldncl(i) = 0. |
---|
514 | IF (random .OR. maximum_random) tcc(i) = 1. |
---|
515 | IF (maximum) tcc(i) = 0. |
---|
516 | END DO |
---|
517 | |
---|
518 | DO i = 1, klon |
---|
519 | DO k = klev - 1, 1, -1 !From TOA down |
---|
520 | |
---|
521 | ! Test, if the cloud optical depth exceeds the necessary |
---|
522 | ! threshold: |
---|
523 | |
---|
524 | IF (pcltau(i,k)>thres_tau .AND. pclc(i,k)>thres_neb) THEN |
---|
525 | |
---|
526 | IF (maximum) THEN |
---|
527 | IF (first) THEN |
---|
528 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM' |
---|
529 | first = .FALSE. |
---|
530 | END IF |
---|
531 | flag_max = -1. |
---|
532 | ftmp(i) = max(tcc(i), pclc(i,k)) |
---|
533 | END IF |
---|
534 | |
---|
535 | IF (random) THEN |
---|
536 | IF (first) THEN |
---|
537 | WRITE (*, *) 'Hypothese de recouvrement: RANDOM' |
---|
538 | first = .FALSE. |
---|
539 | END IF |
---|
540 | flag_max = 1. |
---|
541 | ftmp(i) = tcc(i)*(1-pclc(i,k)) |
---|
542 | END IF |
---|
543 | |
---|
544 | IF (maximum_random) THEN |
---|
545 | IF (first) THEN |
---|
546 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM_ & |
---|
547 | & & |
---|
548 | & RANDOM' |
---|
549 | first = .FALSE. |
---|
550 | END IF |
---|
551 | flag_max = 1. |
---|
552 | ftmp(i) = tcc(i)*(1.-max(pclc(i,k),pclc(i,k+1)))/(1.-min(pclc(i, & |
---|
553 | k+1),1.-thres_neb)) |
---|
554 | END IF |
---|
555 | ! Effective radius of cloud droplet at top of cloud (m) |
---|
556 | reffclwtop(i) = reffclwtop(i) + rad_chaud(i, k)*1.0E-06*phase3d(i, & |
---|
557 | k)*(tcc(i)-ftmp(i))*flag_max |
---|
558 | ! CDNC at top of cloud (m-3) |
---|
559 | cldncl(i) = cldncl(i) + cdnc(i, k)*phase3d(i, k)*(tcc(i)-ftmp(i))* & |
---|
560 | flag_max |
---|
561 | ! Liquid Cloud Content at top of cloud |
---|
562 | lcc(i) = lcc(i) + phase3d(i, k)*(tcc(i)-ftmp(i))*flag_max |
---|
563 | ! Total Cloud Content at top of cloud |
---|
564 | tcc(i) = ftmp(i) |
---|
565 | |
---|
566 | END IF ! is there a visible, not-too-small cloud? |
---|
567 | END DO ! loop over k |
---|
568 | |
---|
569 | IF (random .OR. maximum_random) tcc(i) = 1. - tcc(i) |
---|
570 | |
---|
571 | END DO ! loop over i |
---|
572 | |
---|
573 | ! ! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC |
---|
574 | ! REFFCLWS) |
---|
575 | DO i = 1, klon |
---|
576 | DO k = 1, klev |
---|
577 | ! Weight to be used for outputs: eau_liquide*couverture nuageuse |
---|
578 | lcc3dcon(i, k) = rnebcon(i, k)*phase3d(i, k)*clwcon(i, k) ! eau liquide convective |
---|
579 | lcc3dstra(i, k) = pclc(i, k)*pqlwp(i, k)*phase3d(i, k) |
---|
580 | lcc3dstra(i, k) = lcc3dstra(i, k) - lcc3dcon(i, k) ! eau liquide stratiforme |
---|
581 | lcc3dstra(i, k) = max(lcc3dstra(i,k), 0.0) |
---|
582 | ! Compute cloud droplet radius as above in meter |
---|
583 | radius = 1.1*((pqlwp(i,k)*pplay(i,k)/(rd*t(i,k)))/(4./3*rpi*1000.* & |
---|
584 | cdnc(i,k)))**(1./3.) |
---|
585 | radius = max(radius, 5.E-6) |
---|
586 | ! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D |
---|
587 | reffclwc(i, k) = radius |
---|
588 | reffclwc(i, k) = reffclwc(i, k)*lcc3dcon(i, k) |
---|
589 | ! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D |
---|
590 | reffclws(i, k) = radius |
---|
591 | reffclws(i, k) = reffclws(i, k)*lcc3dstra(i, k) |
---|
592 | END DO !klev |
---|
593 | END DO !klon |
---|
594 | |
---|
595 | ! Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D |
---|
596 | |
---|
597 | DO i = 1, klon |
---|
598 | cldnvi(i) = 0. |
---|
599 | lcc_integrat(i) = 0. |
---|
600 | height(i) = 0. |
---|
601 | DO k = 1, klev |
---|
602 | cldnvi(i) = cldnvi(i) + cdnc(i, k)*lcc3d(i, k)*dh(i, k) |
---|
603 | lcc_integrat(i) = lcc_integrat(i) + lcc3d(i, k)*dh(i, k) |
---|
604 | height(i) = height(i) + dh(i, k) |
---|
605 | END DO ! klev |
---|
606 | lcc_integrat(i) = lcc_integrat(i)/height(i) |
---|
607 | IF (lcc_integrat(i)<=1.0E-03) THEN |
---|
608 | cldnvi(i) = cldnvi(i)*lcc(i)/seuil_neb |
---|
609 | ELSE |
---|
610 | cldnvi(i) = cldnvi(i)*lcc(i)/lcc_integrat(i) |
---|
611 | END IF |
---|
612 | END DO ! klon |
---|
613 | |
---|
614 | DO i = 1, klon |
---|
615 | DO k = 1, klev |
---|
616 | IF (scdnc(i,k)<=0.0) scdnc(i, k) = 0.0 |
---|
617 | IF (reffclws(i,k)<=0.0) reffclws(i, k) = 0.0 |
---|
618 | IF (reffclwc(i,k)<=0.0) reffclwc(i, k) = 0.0 |
---|
619 | IF (lcc3d(i,k)<=0.0) lcc3d(i, k) = 0.0 |
---|
620 | IF (lcc3dcon(i,k)<=0.0) lcc3dcon(i, k) = 0.0 |
---|
621 | IF (lcc3dstra(i,k)<=0.0) lcc3dstra(i, k) = 0.0 |
---|
622 | END DO |
---|
623 | IF (reffclwtop(i)<=0.0) reffclwtop(i) = 0.0 |
---|
624 | IF (cldncl(i)<=0.0) cldncl(i) = 0.0 |
---|
625 | IF (cldnvi(i)<=0.0) cldnvi(i) = 0.0 |
---|
626 | IF (lcc(i)<=0.0) lcc(i) = 0.0 |
---|
627 | END DO |
---|
628 | |
---|
629 | END IF !ok_cdnc |
---|
630 | |
---|
631 | RETURN |
---|
632 | |
---|
633 | END SUBROUTINE newmicro |
---|