| 1 | ! $Id: newmicro.F 1750 2013-04-25 15:27:27Z fairhead $ |
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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, & |
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| 6 | & paprs, pplay, & |
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| 7 | & t, pqlwp, pclc, pcltau, pclemi, & |
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| 8 | & pch, pcl, pcm, pct, pctlwp, & |
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| 9 | & xflwp, xfiwp, xflwc, xfiwc, & |
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| 10 | & mass_solu_aero, mass_solu_aero_pi, & |
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| 11 | & pcldtaupi, re, fl, reliq, reice) |
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| 12 | !c |
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| 13 | USE dimphy |
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| 14 | USE phys_local_var_mod, only: scdnc,cldncl,reffclwtop,lcc, & |
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| 15 | & reffclws,reffclwc,cldnvi,lcc3d, & |
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| 16 | & lcc3dcon,lcc3dstra |
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| 17 | USE phys_state_var_mod, only: rnebcon,clwcon |
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| 18 | IMPLICIT none |
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| 19 | !c====================================================================== |
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| 20 | !c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 |
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| 21 | !c O. Boucher (LMD/CNRS) mise a jour en 201212 |
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| 22 | !c Objet: Calculer epaisseur optique et emmissivite des nuages |
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| 23 | !c====================================================================== |
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| 24 | !c Arguments: |
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| 25 | !c ok_cdnc-input-L-flag pour calculer les rayons a partir des aerosols |
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| 26 | !c |
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| 27 | !c t-------input-R-temperature |
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| 28 | !c pqlwp---input-R-eau liquide nuageuse dans l'atmosphere dans la partie nuageuse (kg/kg) |
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| 29 | !c pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) |
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| 30 | !c mass_solu_aero-----input-R-total mass concentration for all soluble aerosols[ug/m^3] |
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| 31 | !c mass_solu_aero_pi--input-R-ditto, pre-industrial value |
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| 32 | !c |
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| 33 | !c bl95_b0-input-R-a PARAMETER, may be varied for tests (s-sea, l-land) |
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| 34 | !c bl95_b1-input-R-a PARAMETER, may be varied for tests ( -"- ) |
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| 35 | !c |
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| 36 | !c re------output-R-Cloud droplet effective radius multiplied by fl [um] |
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| 37 | !c fl------output-R-Denominator to re, introduced to avoid problems in |
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| 38 | !c the averaging of the output. fl is the fraction of liquid |
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| 39 | !c water clouds within a grid cell |
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| 40 | !c |
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| 41 | !c pcltau--output-R-epaisseur optique des nuages |
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| 42 | !c pclemi--output-R-emissivite des nuages (0 a 1) |
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| 43 | !c pcldtaupi-output-R-pre-industrial value of cloud optical thickness, |
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| 44 | !c |
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| 45 | !c pcl-output-R-2D low-level cloud cover |
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| 46 | !c pcm-output-R-2D mid-level cloud cover |
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| 47 | !c pch-output-R-2D high-level cloud cover |
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| 48 | !c pct-output-R-2D total cloud cover |
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| 49 | !c====================================================================== |
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| 50 | !C |
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| 51 | #include "YOMCST.h" |
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| 52 | #include "nuage.h" |
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| 53 | #include "radepsi.h" |
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| 54 | #include "radopt.h" |
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| 55 | |
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| 56 | !c choix de l'hypothese de recouvrememnt nuageuse |
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| 57 | LOGICAL RANDOM, MAXIMUM_RANDOM, MAXIMUM |
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| 58 | PARAMETER (RANDOM=.FALSE., MAXIMUM_RANDOM=.TRUE., MAXIMUM=.FALSE.) |
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| 59 | !c |
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| 60 | LOGICAL, SAVE :: FIRST=.TRUE. |
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| 61 | !$OMP THREADPRIVATE(FIRST) |
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| 62 | INTEGER flag_max |
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| 63 | !c |
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| 64 | !c threshold PARAMETERs |
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| 65 | REAL thres_tau,thres_neb |
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| 66 | PARAMETER (thres_tau=0.3, thres_neb=0.001) |
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| 67 | !c |
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| 68 | REAL phase3d(klon, klev) |
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| 69 | REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon) |
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| 70 | !c |
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| 71 | REAL paprs(klon,klev+1) |
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| 72 | REAL pplay(klon,klev) |
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| 73 | REAL t(klon,klev) |
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| 74 | REAL pclc(klon,klev) |
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| 75 | REAL pqlwp(klon,klev) |
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| 76 | REAL pcltau(klon,klev) |
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| 77 | REAL pclemi(klon,klev) |
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| 78 | REAL pcldtaupi(klon, klev) |
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| 79 | !c |
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| 80 | REAL pct(klon) |
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| 81 | REAL pcl(klon) |
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| 82 | REAL pcm(klon) |
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| 83 | REAL pch(klon) |
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| 84 | REAL pctlwp(klon) |
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| 85 | !c |
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| 86 | LOGICAL lo |
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| 87 | !c |
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| 88 | !!Abderr modif JL mail du 19.01.2011 18:31 |
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| 89 | ! REAL cetahb, cetamb |
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| 90 | ! PARAMETER (cetahb = 0.45, cetamb = 0.80) |
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| 91 | ! Remplacer |
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| 92 | ! cetahb*paprs(i,1) par prmhc |
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| 93 | ! cetamb*paprs(i,1) par prlmc |
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| 94 | REAL prmhc ! Pressure between medium and high level cloud in Pa |
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| 95 | REAL prlmc ! Pressure between low and medium level cloud in Pa |
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| 96 | PARAMETER (prmhc = 440.*100., prlmc = 680.*100.) |
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| 97 | !C |
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| 98 | INTEGER i, k |
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| 99 | REAL xflwp(klon), xfiwp(klon) |
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| 100 | REAL xflwc(klon,klev), xfiwc(klon,klev) |
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| 101 | !c |
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| 102 | REAL radius |
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| 103 | !c |
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| 104 | REAL coef_froi, coef_chau |
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| 105 | PARAMETER (coef_chau=0.13, coef_froi=0.09) |
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| 106 | !c |
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| 107 | REAL seuil_neb |
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| 108 | PARAMETER (seuil_neb=0.001) |
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| 109 | !c |
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| 110 | INTEGER nexpo ! exponentiel pour glace/eau |
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| 111 | PARAMETER (nexpo=6) |
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| 112 | !c PARAMETER (nexpo=1) |
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| 113 | |
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| 114 | REAL rel, tc, rei |
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| 115 | REAL k_ice0, k_ice, DF |
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| 116 | PARAMETER (k_ice0=0.005) ! units=m2/g |
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| 117 | PARAMETER (DF=1.66) ! diffusivity factor |
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| 118 | !c |
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| 119 | !cjq for the aerosol indirect effect |
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| 120 | !cjq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 |
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| 121 | !cjq |
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| 122 | REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3] |
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| 123 | REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value) |
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| 124 | REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] |
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| 125 | REAL re(klon, klev) ! cloud droplet effective radius [um] |
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| 126 | REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) |
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| 127 | REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) |
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| 128 | |
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| 129 | REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds within the grid cell) |
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| 130 | |
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| 131 | LOGICAL ok_cdnc |
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| 132 | REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula |
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| 133 | |
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| 134 | !cjq-end |
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| 135 | !IM cf. CR:parametres supplementaires |
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| 136 | REAL zclear(klon) |
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| 137 | REAL zcloud(klon) |
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| 138 | REAL zcloudh(klon) |
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| 139 | REAL zcloudm(klon) |
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| 140 | REAL zcloudl(klon) |
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| 141 | REAL rhodz(klon, klev) !--rho*dz pour la couche |
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| 142 | REAL zrho(klon, klev) !--rho pour la couche |
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| 143 | REAL dh(klon, klev) !--dz pour la couche |
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| 144 | REAL zfice(klon, klev) |
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| 145 | REAL rad_chaud(klon, klev) !--rayon pour les nuages chauds |
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| 146 | REAL zflwp_var, zfiwp_var |
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| 147 | REAL d_rei_dt |
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| 148 | |
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| 149 | ! Abderrahmane oct 2009 |
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| 150 | Real reliq(klon, klev), reice(klon, klev) |
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| 151 | |
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| 152 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 153 | ! FH : 2011/05/24 |
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| 154 | ! |
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| 155 | ! rei = ( rei_max - rei_min ) * T(°C) / 81.4 + rei_max |
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| 156 | ! to be used for a temperature in celcius T(°C) < 0 |
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| 157 | ! rei=rei_min for T(°C) < -81.4 |
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| 158 | ! |
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| 159 | ! Calcul de la pente de la relation entre rayon effective des cristaux |
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| 160 | ! et la température. |
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| 161 | ! Pour retrouver les résultats numériques de la version d'origine, |
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| 162 | ! on impose 0.71 quand on est proche de 0.71 |
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| 163 | !c |
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| 164 | d_rei_dt=(rei_max-rei_min)/81.4 |
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| 165 | if (abs(d_rei_dt-0.71)<1.e-4) d_rei_dt=0.71 |
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| 166 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 167 | !c |
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| 168 | !c Calculer l'epaisseur optique et l'emmissivite des nuages |
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| 169 | !c IM inversion des DO |
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| 170 | !c |
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| 171 | xflwp = 0.d0 |
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| 172 | xfiwp = 0.d0 |
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| 173 | xflwc = 0.d0 |
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| 174 | xfiwc = 0.d0 |
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| 175 | !c |
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| 176 | reliq=0. |
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| 177 | reice=0. |
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| 178 | !c |
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| 179 | DO k = 1, klev |
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| 180 | DO i = 1, klon |
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| 181 | !c-layer calculation |
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| 182 | rhodz(i,k) = (paprs(i,k)-paprs(i,k+1))/RG ! kg/m2 |
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| 183 | zrho(i,k)=pplay(i,k)/t(i,k)/RD ! kg/m3 |
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| 184 | dh(i,k)=rhodz(i,k)/zrho(i,k) ! m |
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| 185 | !c-Fraction of ice in cloud using a linear transition |
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| 186 | zfice(i,k) = 1.0 - (t(i,k)-t_glace_min) / & |
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| 187 | & (t_glace_max-t_glace_min) |
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| 188 | zfice(i,k) = MIN(MAX(zfice(i,k),0.0),1.0) |
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| 189 | !c-IM Total Liquid/Ice water content |
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| 190 | xflwc(i,k) = (1.-zfice(i,k))*pqlwp(i,k) |
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| 191 | xfiwc(i,k) = zfice(i,k)*pqlwp(i,k) |
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| 192 | ENDDO |
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| 193 | ENDDO |
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| 194 | |
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| 195 | IF (ok_cdnc) THEN |
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| 196 | !c |
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| 197 | !c--we compute cloud properties as a function of the aerosol load |
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| 198 | !c |
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| 199 | DO k = 1, klev |
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| 200 | DO i = 1, klon |
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| 201 | !c |
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| 202 | !c Formula "D" of Boucher and Lohmann, Tellus, 1995 |
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| 203 | !c Cloud droplet number concentration (CDNC) is restricted |
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| 204 | !c to be within [20, 1000 cm^3] |
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| 205 | !c |
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| 206 | !c--present-day case |
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| 207 | cdnc(i,k) = 10.**(bl95_b0+bl95_b1* & |
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| 208 | & log(MAX(mass_solu_aero(i,k),1.e-4))/log(10.))*1.e6 !-m-3 |
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| 209 | cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k))) |
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| 210 | !c |
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| 211 | !c--pre-industrial case |
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| 212 | cdnc_pi(i,k) = 10.**(bl95_b0+bl95_b1* & |
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| 213 | & log(MAX(mass_solu_aero_pi(i,k),1.e-4))/log(10.)) & |
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| 214 | & *1.e6 !-m-3 |
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| 215 | cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k))) |
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| 216 | !c |
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| 217 | !c--present-day case |
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| 218 | rad_chaud(i,k) = & |
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| 219 | & 1.1*((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) & |
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| 220 | & /(4./3*RPI*1000.*cdnc(i,k)) )**(1./3.) |
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| 221 | rad_chaud(i,k) = MAX(rad_chaud(i,k) * 1.e6, 5.) |
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| 222 | !c |
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| 223 | !c--pre-industrial case |
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| 224 | radius = & |
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| 225 | & 1.1*((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) & |
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| 226 | & /(4./3.*RPI*1000.*cdnc_pi(i,k)))**(1./3.) |
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| 227 | radius = MAX(radius*1.e6, 5.) |
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| 228 | !c |
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| 229 | !c--pre-industrial case |
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| 230 | !c--liquid/ice cloud water paths: |
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| 231 | IF (pclc(i,k) .LE. seuil_neb) THEN |
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| 232 | !c |
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| 233 | pcldtaupi(i,k) = 0.0 |
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| 234 | !c |
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| 235 | ELSE |
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| 236 | !c |
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| 237 | zflwp_var= 1000.*(1.-zfice(i,k))*pqlwp(i,k)/pclc(i,k) & |
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| 238 | & *rhodz(i,k) |
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| 239 | zfiwp_var= 1000.*zfice(i,k)*pqlwp(i,k)/pclc(i,k) & |
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| 240 | & *rhodz(i,k) |
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| 241 | tc = t(i,k)-273.15 |
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| 242 | rei = d_rei_dt*tc + rei_max |
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| 243 | if (tc.le.-81.4) rei = rei_min |
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| 244 | !c |
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| 245 | !c-- cloud optical thickness : |
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| 246 | !c [for liquid clouds, traditional formula, |
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| 247 | !c for ice clouds, Ebert & Curry (1992)] |
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| 248 | !c |
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| 249 | if (zflwp_var.eq.0.) radius = 1. |
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| 250 | if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1. |
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| 251 | pcldtaupi(i,k) = 3.0/2.0 * zflwp_var / radius & |
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| 252 | & + zfiwp_var * (3.448e-03 + 2.431/rei) |
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| 253 | !c |
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| 254 | ENDIF |
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| 255 | !c |
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| 256 | ENDDO |
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| 257 | ENDDO |
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| 258 | !c |
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| 259 | ELSE !--not ok_cdnc |
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| 260 | !c |
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| 261 | !c-prescribed cloud droplet radius |
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| 262 | !c |
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| 263 | DO k = 1, MIN(3,klev) |
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| 264 | DO i = 1, klon |
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| 265 | rad_chaud(i,k) = rad_chau2 |
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| 266 | ENDDO |
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| 267 | ENDDO |
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| 268 | DO k = MIN(3,klev)+1, klev |
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| 269 | DO i = 1, klon |
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| 270 | rad_chaud(i,k) = rad_chau1 |
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| 271 | ENDDO |
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| 272 | ENDDO |
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| 273 | |
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| 274 | ENDIF !--ok_cdnc |
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| 275 | !c |
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| 276 | !c--computation of cloud optical depth and emissivity |
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| 277 | !c--in the general case |
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| 278 | !c |
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| 279 | DO k = 1, klev |
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| 280 | DO i = 1, klon |
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| 281 | !c |
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| 282 | IF (pclc(i,k) .LE. seuil_neb) THEN |
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| 283 | !c |
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| 284 | !c effective cloud droplet radius (microns) for liquid water clouds: |
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| 285 | !c For output diagnostics cloud droplet effective radius [um] |
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| 286 | !c we multiply here with f * xl (fraction of liquid water |
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| 287 | !c clouds in the grid cell) to avoid problems in the averaging of the output. |
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| 288 | !c In the output of IOIPSL, derive the REAL cloud droplet |
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| 289 | !c effective radius as re/fl |
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| 290 | !c |
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| 291 | fl(i,k) = seuil_neb*(1.-zfice(i,k)) |
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| 292 | re(i,k) = rad_chaud(i,k)*fl(i,k) |
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| 293 | rel = 0. |
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| 294 | rei = 0. |
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| 295 | pclc(i,k) = 0.0 |
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| 296 | pcltau(i,k) = 0.0 |
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| 297 | pclemi(i,k) = 0.0 |
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| 298 | !c |
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| 299 | ELSE |
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| 300 | !c |
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| 301 | !c -- liquid/ice cloud water paths: |
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| 302 | |
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| 303 | zflwp_var= 1000.*(1.-zfice(i,k))*pqlwp(i,k)/pclc(i,k) & |
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| 304 | & *rhodz(i,k) |
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| 305 | zfiwp_var= 1000.*zfice(i,k)*pqlwp(i,k)/pclc(i,k) & |
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| 306 | & *rhodz(i,k) |
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| 307 | !c |
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| 308 | !c effective cloud droplet radius (microns) for liquid water clouds: |
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| 309 | !c For output diagnostics cloud droplet effective radius [um] |
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| 310 | !c we multiply here with f * xl (fraction of liquid water |
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| 311 | !c clouds in the grid cell) to avoid problems in the averaging of the output. |
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| 312 | !c In the output of IOIPSL, derive the REAL cloud droplet |
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| 313 | !c effective radius as re/fl |
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| 314 | !c |
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| 315 | fl(i,k) = pclc(i,k)*(1.-zfice(i,k)) |
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| 316 | re(i,k) = rad_chaud(i,k)*fl(i,k) |
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| 317 | !c |
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| 318 | rel = rad_chaud(i,k) |
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| 319 | !c |
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| 320 | !c for ice clouds: as a function of the ambiant temperature |
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| 321 | !c [formula used by Iacobellis and Somerville (2000), with an |
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| 322 | !c asymptotical value of 3.5 microns at T<-81.4 C added to be |
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| 323 | !c consistent with observations of Heymsfield et al. 1986]: |
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| 324 | !c 2011/05/24 : rei_min = 3.5 becomes a free PARAMETER as well as rei_max=61.29 |
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| 325 | !c |
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| 326 | tc = t(i,k)-273.15 |
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| 327 | rei = d_rei_dt*tc + rei_max |
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| 328 | if (tc.le.-81.4) rei = rei_min |
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| 329 | !c |
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| 330 | !c-- cloud optical thickness : |
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| 331 | !c [for liquid clouds, traditional formula, |
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| 332 | !c for ice clouds, Ebert & Curry (1992)] |
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| 333 | !c |
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| 334 | if (zflwp_var.eq.0.) rel = 1. |
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| 335 | if (zfiwp_var.eq.0. .or. rei.le.0.) rei = 1. |
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| 336 | pcltau(i,k) = 3.0/2.0 * ( zflwp_var/rel ) & |
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| 337 | & + zfiwp_var * (3.448e-03 + 2.431/rei) |
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| 338 | !c |
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| 339 | !c -- cloud infrared emissivity: |
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| 340 | !c [the broadband infrared absorption coefficient is PARAMETERized |
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| 341 | !c as a function of the effective cld droplet radius] |
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| 342 | !c Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): |
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| 343 | !c |
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| 344 | k_ice = k_ice0 + 1.0/rei |
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| 345 | !c |
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| 346 | pclemi(i,k) = 1.0 & |
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| 347 | & - EXP( -coef_chau*zflwp_var - DF*k_ice*zfiwp_var) |
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| 348 | !c |
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| 349 | ENDIF |
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| 350 | !c |
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| 351 | reliq(i,k)=rel |
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| 352 | reice(i,k)=rei |
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| 353 | !c |
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| 354 | xflwp(i) = xflwp(i)+ xflwc(i,k) * rhodz(i,k) |
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| 355 | xfiwp(i) = xfiwp(i)+ xfiwc(i,k) * rhodz(i,k) |
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| 356 | !c |
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| 357 | ENDDO |
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| 358 | ENDDO |
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| 359 | !c |
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| 360 | !c--if cloud droplet radius is fixed, then pcldtaupi=pcltau |
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| 361 | !c |
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| 362 | IF (.NOT.ok_cdnc) THEN |
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| 363 | DO k = 1, klev |
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| 364 | DO i = 1, klon |
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| 365 | pcldtaupi(i,k)=pcltau(i,k) |
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| 366 | ENDDO |
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| 367 | ENDDO |
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| 368 | ENDIF |
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| 369 | !C |
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| 370 | !C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS |
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| 371 | !c IM cf. CR:test: calcul prenant ou non en compte le recouvrement |
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| 372 | !c initialisations |
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| 373 | !c |
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| 374 | DO i=1,klon |
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| 375 | zclear(i)=1. |
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| 376 | zcloud(i)=0. |
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| 377 | zcloudh(i)=0. |
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| 378 | zcloudm(i)=0. |
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| 379 | zcloudl(i)=0. |
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| 380 | pch(i)=1.0 |
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| 381 | pcm(i) = 1.0 |
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| 382 | pcl(i) = 1.0 |
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| 383 | pctlwp(i) = 0.0 |
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| 384 | ENDDO |
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| 385 | !C |
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| 386 | !c--calculation of liquid water path |
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| 387 | !c |
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| 388 | DO k = klev, 1, -1 |
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| 389 | DO i = 1, klon |
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| 390 | pctlwp(i) = pctlwp(i)+ pqlwp(i,k)*rhodz(i,k) |
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| 391 | ENDDO |
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| 392 | ENDDO |
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| 393 | !c |
|---|
| 394 | !c--calculation of cloud properties with cloud overlap |
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| 395 | !c |
|---|
| 396 | IF (NOVLP.EQ.1) THEN |
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| 397 | DO k = klev, 1, -1 |
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| 398 | DO i = 1, klon |
|---|
| 399 | zclear(i)=zclear(i)*(1.-MAX(pclc(i,k),zcloud(i))) & |
|---|
| 400 | & /(1.-MIN(REAL(zcloud(i), kind=8),1.-ZEPSEC)) |
|---|
| 401 | pct(i)=1.-zclear(i) |
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| 402 | IF (paprs(i,k).LT.prmhc) THEN |
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| 403 | pch(i) = pch(i)*(1.-MAX(pclc(i,k),zcloudh(i))) & |
|---|
| 404 | & /(1.-MIN(REAL(zcloudh(i), kind=8),1.-ZEPSEC)) |
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| 405 | zcloudh(i)=pclc(i,k) |
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| 406 | ELSE IF (paprs(i,k).GE.prmhc .AND. & |
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| 407 | & paprs(i,k).LT.prlmc) THEN |
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| 408 | pcm(i) = pcm(i)*(1.-MAX(pclc(i,k),zcloudm(i))) & |
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| 409 | & /(1.-MIN(REAL(zcloudm(i), kind=8),1.-ZEPSEC)) |
|---|
| 410 | zcloudm(i)=pclc(i,k) |
|---|
| 411 | ELSE IF (paprs(i,k).GE.prlmc) THEN |
|---|
| 412 | pcl(i) = pcl(i)*(1.-MAX(pclc(i,k),zcloudl(i))) & |
|---|
| 413 | & /(1.-MIN(REAL(zcloudl(i), kind=8),1.-ZEPSEC)) |
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| 414 | zcloudl(i)=pclc(i,k) |
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| 415 | endif |
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| 416 | zcloud(i)=pclc(i,k) |
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| 417 | ENDDO |
|---|
| 418 | ENDDO |
|---|
| 419 | ELSE IF (NOVLP.EQ.2) THEN |
|---|
| 420 | DO k = klev, 1, -1 |
|---|
| 421 | DO i = 1, klon |
|---|
| 422 | zcloud(i)=MAX(pclc(i,k),zcloud(i)) |
|---|
| 423 | pct(i)=zcloud(i) |
|---|
| 424 | IF (paprs(i,k).LT.prmhc) THEN |
|---|
| 425 | pch(i) = MIN(pclc(i,k),pch(i)) |
|---|
| 426 | ELSE IF (paprs(i,k).GE.prmhc .AND. & |
|---|
| 427 | & paprs(i,k).LT.prlmc) THEN |
|---|
| 428 | pcm(i) = MIN(pclc(i,k),pcm(i)) |
|---|
| 429 | ELSE IF (paprs(i,k).GE.prlmc) THEN |
|---|
| 430 | pcl(i) = MIN(pclc(i,k),pcl(i)) |
|---|
| 431 | endif |
|---|
| 432 | ENDDO |
|---|
| 433 | ENDDO |
|---|
| 434 | ELSE IF (NOVLP.EQ.3) THEN |
|---|
| 435 | DO k = klev, 1, -1 |
|---|
| 436 | DO i = 1, klon |
|---|
| 437 | zclear(i)=zclear(i)*(1.-pclc(i,k)) |
|---|
| 438 | pct(i)=1-zclear(i) |
|---|
| 439 | IF (paprs(i,k).LT.prmhc) THEN |
|---|
| 440 | pch(i) = pch(i)*(1.0-pclc(i,k)) |
|---|
| 441 | ELSE IF (paprs(i,k).GE.prmhc .AND. & |
|---|
| 442 | & paprs(i,k).LT.prlmc) THEN |
|---|
| 443 | pcm(i) = pcm(i)*(1.0-pclc(i,k)) |
|---|
| 444 | ELSE IF (paprs(i,k).GE.prlmc) THEN |
|---|
| 445 | pcl(i) = pcl(i)*(1.0-pclc(i,k)) |
|---|
| 446 | endif |
|---|
| 447 | ENDDO |
|---|
| 448 | ENDDO |
|---|
| 449 | ENDIF |
|---|
| 450 | !C |
|---|
| 451 | DO i = 1, klon |
|---|
| 452 | pch(i)=1.-pch(i) |
|---|
| 453 | pcm(i)=1.-pcm(i) |
|---|
| 454 | pcl(i)=1.-pcl(i) |
|---|
| 455 | ENDDO |
|---|
| 456 | !c |
|---|
| 457 | !c ======================================================== |
|---|
| 458 | !c DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL |
|---|
| 459 | !c ======================================================== |
|---|
| 460 | !c change by Nicolas Yan (LSCE) |
|---|
| 461 | !c Cloud Droplet Number Concentration (CDNC) : 3D variable |
|---|
| 462 | !c Fractionnal cover by liquid water cloud (LCC3D) : 3D variable |
|---|
| 463 | !c Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable |
|---|
| 464 | !c Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable |
|---|
| 465 | !c Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable |
|---|
| 466 | !c |
|---|
| 467 | IF (ok_cdnc) THEN |
|---|
| 468 | !c |
|---|
| 469 | DO k = 1, klev |
|---|
| 470 | DO i = 1, klon |
|---|
| 471 | phase3d(i,k)=1-zfice(i,k) |
|---|
| 472 | IF (pclc(i,k) .LE. seuil_neb) THEN |
|---|
| 473 | lcc3d(i,k)=seuil_neb*phase3d(i,k) |
|---|
| 474 | ELSE |
|---|
| 475 | lcc3d(i,k)=pclc(i,k)*phase3d(i,k) |
|---|
| 476 | ENDIF |
|---|
| 477 | scdnc(i,k)=lcc3d(i,k)*cdnc(i,k) ! m-3 |
|---|
| 478 | ENDDO |
|---|
| 479 | ENDDO |
|---|
| 480 | !c |
|---|
| 481 | DO i=1,klon |
|---|
| 482 | lcc(i)=0. |
|---|
| 483 | reffclwtop(i)=0. |
|---|
| 484 | cldncl(i)=0. |
|---|
| 485 | IF(RANDOM .OR. MAXIMUM_RANDOM) tcc(i) = 1. |
|---|
| 486 | IF(MAXIMUM) tcc(i) = 0. |
|---|
| 487 | ENDDO |
|---|
| 488 | !c |
|---|
| 489 | DO i=1,klon |
|---|
| 490 | DO k=klev-1,1,-1 !From TOA down |
|---|
| 491 | !c |
|---|
| 492 | ! Test, if the cloud optical depth exceeds the necessary |
|---|
| 493 | ! threshold: |
|---|
| 494 | |
|---|
| 495 | IF (pcltau(i,k).GT.thres_tau & |
|---|
| 496 | & .AND. pclc(i,k).GT.thres_neb) THEN |
|---|
| 497 | |
|---|
| 498 | IF (MAXIMUM) THEN |
|---|
| 499 | IF (FIRST) THEN |
|---|
| 500 | write(*,*)'Hypothese de recouvrement: MAXIMUM' |
|---|
| 501 | FIRST=.FALSE. |
|---|
| 502 | ENDIF |
|---|
| 503 | flag_max= -1. |
|---|
| 504 | ftmp(i) = MAX(tcc(i),pclc(i,k)) |
|---|
| 505 | ENDIF |
|---|
| 506 | |
|---|
| 507 | IF (RANDOM) THEN |
|---|
| 508 | IF (FIRST) THEN |
|---|
| 509 | write(*,*)'Hypothese de recouvrement: RANDOM' |
|---|
| 510 | FIRST=.FALSE. |
|---|
| 511 | ENDIF |
|---|
| 512 | flag_max= 1. |
|---|
| 513 | ftmp(i) = tcc(i) * (1-pclc(i,k)) |
|---|
| 514 | ENDIF |
|---|
| 515 | |
|---|
| 516 | IF (MAXIMUM_RANDOM) THEN |
|---|
| 517 | IF (FIRST) THEN |
|---|
| 518 | write(*,*)'Hypothese de recouvrement: MAXIMUM_ & |
|---|
| 519 | & RANDOM' |
|---|
| 520 | FIRST=.FALSE. |
|---|
| 521 | ENDIF |
|---|
| 522 | flag_max= 1. |
|---|
| 523 | ftmp(i) = tcc(i) * & |
|---|
| 524 | & (1. - MAX(pclc(i,k),pclc(i,k+1))) / & |
|---|
| 525 | & (1. - MIN(pclc(i,k+1),1.-thres_neb)) |
|---|
| 526 | ENDIF |
|---|
| 527 | !c Effective radius of cloud droplet at top of cloud (m) |
|---|
| 528 | reffclwtop(i) = reffclwtop(i) + rad_chaud(i,k) * & |
|---|
| 529 | & 1.0E-06 * phase3d(i,k) * ( tcc(i) - ftmp(i))*flag_max |
|---|
| 530 | !c CDNC at top of cloud (m-3) |
|---|
| 531 | cldncl(i) = cldncl(i) + cdnc(i,k) * phase3d(i,k) * & |
|---|
| 532 | & (tcc(i) - ftmp(i))*flag_max |
|---|
| 533 | !c Liquid Cloud Content at top of cloud |
|---|
| 534 | lcc(i) = lcc(i) + phase3d(i,k) * (tcc(i)-ftmp(i))* & |
|---|
| 535 | & flag_max |
|---|
| 536 | !c Total Cloud Content at top of cloud |
|---|
| 537 | tcc(i)=ftmp(i) |
|---|
| 538 | |
|---|
| 539 | ENDIF ! is there a visible, not-too-small cloud? |
|---|
| 540 | ENDDO ! loop over k |
|---|
| 541 | !c |
|---|
| 542 | IF (RANDOM .OR. MAXIMUM_RANDOM) tcc(i)=1.-tcc(i) |
|---|
| 543 | !c |
|---|
| 544 | ENDDO ! loop over i |
|---|
| 545 | |
|---|
| 546 | !! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC REFFCLWS) |
|---|
| 547 | DO i = 1, klon |
|---|
| 548 | DO k = 1, klev |
|---|
| 549 | ! Weight to be used for outputs: eau_liquide*couverture nuageuse |
|---|
| 550 | lcc3dcon(i,k) =rnebcon(i,k)*phase3d(i,k)*clwcon(i,k) ! eau liquide convective |
|---|
| 551 | lcc3dstra(i,k)=pclc(i,k)*pqlwp(i,k)*phase3d(i,k) |
|---|
| 552 | lcc3dstra(i,k)=lcc3dstra(i,k)-lcc3dcon(i,k) ! eau liquide stratiforme |
|---|
| 553 | lcc3dstra(i,k)=MAX(lcc3dstra(i,k),0.0) |
|---|
| 554 | ! Compute cloud droplet radius as above in meter |
|---|
| 555 | radius=1.1*((pqlwp(i,k)*pplay(i,k)/(RD * T(i,k))) & |
|---|
| 556 | & /(4./3*RPI*1000.*cdnc(i,k)) )**(1./3.) |
|---|
| 557 | radius=MAX(radius, 5.e-6) |
|---|
| 558 | ! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D |
|---|
| 559 | reffclwc(i,k)=radius |
|---|
| 560 | reffclwc(i,k)=reffclwc(i,k)*lcc3dcon(i,k) |
|---|
| 561 | ! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D |
|---|
| 562 | reffclws(i,k)=radius |
|---|
| 563 | reffclws(i,k)=reffclws(i,k)*lcc3dstra(i,k) |
|---|
| 564 | ENDDO !klev |
|---|
| 565 | ENDDO !klon |
|---|
| 566 | !c |
|---|
| 567 | !c Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D |
|---|
| 568 | !c |
|---|
| 569 | DO i = 1, klon |
|---|
| 570 | cldnvi(i)=0. |
|---|
| 571 | lcc_integrat(i)=0. |
|---|
| 572 | height(i)=0. |
|---|
| 573 | DO k = 1, klev |
|---|
| 574 | cldnvi(i)=cldnvi(i)+cdnc(i,k)*lcc3d(i,k)*dh(i,k) |
|---|
| 575 | lcc_integrat(i)=lcc_integrat(i)+lcc3d(i,k)*dh(i,k) |
|---|
| 576 | height(i)=height(i)+dh(i,k) |
|---|
| 577 | ENDDO ! klev |
|---|
| 578 | lcc_integrat(i)=lcc_integrat(i)/height(i) |
|---|
| 579 | IF (lcc_integrat(i) .LE. 1.0E-03) THEN |
|---|
| 580 | cldnvi(i)=cldnvi(i)*lcc(i)/seuil_neb |
|---|
| 581 | ELSE |
|---|
| 582 | cldnvi(i)=cldnvi(i)*lcc(i)/lcc_integrat(i) |
|---|
| 583 | ENDIF |
|---|
| 584 | ENDDO ! klon |
|---|
| 585 | |
|---|
| 586 | DO i = 1, klon |
|---|
| 587 | DO k = 1, klev |
|---|
| 588 | IF (scdnc(i,k) .LE. 0.0) scdnc(i,k)=0.0 |
|---|
| 589 | IF (reffclws(i,k) .LE. 0.0) reffclws(i,k)=0.0 |
|---|
| 590 | IF (reffclwc(i,k) .LE. 0.0) reffclwc(i,k)=0.0 |
|---|
| 591 | IF (lcc3d(i,k) .LE. 0.0) lcc3d(i,k)=0.0 |
|---|
| 592 | IF (lcc3dcon(i,k) .LE. 0.0) lcc3dcon(i,k)=0.0 |
|---|
| 593 | IF (lcc3dstra(i,k) .LE. 0.0) lcc3dstra(i,k)=0.0 |
|---|
| 594 | ENDDO |
|---|
| 595 | IF (reffclwtop(i) .LE. 0.0) reffclwtop(i)=0.0 |
|---|
| 596 | IF (cldncl(i) .LE. 0.0) cldncl(i)=0.0 |
|---|
| 597 | IF (cldnvi(i) .LE. 0.0) cldnvi(i)=0.0 |
|---|
| 598 | IF (lcc(i) .LE. 0.0) lcc(i)=0.0 |
|---|
| 599 | ENDDO |
|---|
| 600 | !c |
|---|
| 601 | ENDIF !ok_cdnc |
|---|
| 602 | !c |
|---|
| 603 | RETURN |
|---|
| 604 | !c |
|---|
| 605 | END SUBROUTINE newmicro |
|---|
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