| 1 | ! $Id: newmicro.F90 1999 2014-03-20 09:57:19Z 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, 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 | IMPLICIT NONE |
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| 15 | ! ====================================================================== |
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| 16 | ! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 |
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| 17 | ! O. Boucher (LMD/CNRS) mise a jour en 201212 |
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| 18 | ! Objet: Calculer epaisseur optique et emmissivite des nuages |
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| 19 | ! ====================================================================== |
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| 20 | ! Arguments: |
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| 21 | ! ok_cdnc-input-L-flag pour calculer les rayons a partir des aerosols |
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| 22 | |
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| 23 | ! t-------input-R-temperature |
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| 24 | ! pqlwp---input-R-eau liquide nuageuse dans l'atmosphere dans la partie |
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| 25 | ! nuageuse (kg/kg) |
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| 26 | ! pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) |
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| 27 | ! mass_solu_aero-----input-R-total mass concentration for all soluble |
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| 28 | ! aerosols[ug/m^3] |
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| 29 | ! mass_solu_aero_pi--input-R-ditto, pre-industrial value |
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| 30 | |
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| 31 | ! bl95_b0-input-R-a PARAMETER, may be varied for tests (s-sea, l-land) |
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| 32 | ! bl95_b1-input-R-a PARAMETER, may be varied for tests ( -"- ) |
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| 33 | |
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| 34 | ! re------output-R-Cloud droplet effective radius multiplied by fl [um] |
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| 35 | ! fl------output-R-Denominator to re, introduced to avoid problems in |
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| 36 | ! the averaging of the output. fl is the fraction of liquid |
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| 37 | ! water clouds within a grid cell |
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| 38 | |
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| 39 | ! pcltau--output-R-epaisseur optique des nuages |
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| 40 | ! pclemi--output-R-emissivite des nuages (0 a 1) |
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| 41 | ! pcldtaupi-output-R-pre-industrial value of cloud optical thickness, |
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| 42 | |
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| 43 | ! pcl-output-R-2D low-level cloud cover |
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| 44 | ! pcm-output-R-2D mid-level cloud cover |
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| 45 | ! pch-output-R-2D high-level cloud cover |
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| 46 | ! pct-output-R-2D total cloud cover |
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| 47 | ! ====================================================================== |
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| 48 | |
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| 49 | include "YOMCST.h" |
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| 50 | include "nuage.h" |
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| 51 | include "radepsi.h" |
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| 52 | include "radopt.h" |
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| 53 | |
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| 54 | ! choix de l'hypothese de recouvrememnt nuageuse |
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| 55 | LOGICAL random, maximum_random, maximum |
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| 56 | PARAMETER (random=.FALSE., maximum_random=.TRUE., maximum=.FALSE.) |
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| 57 | |
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| 58 | LOGICAL, SAVE :: first = .TRUE. |
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| 59 | !$OMP THREADPRIVATE(FIRST) |
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| 60 | INTEGER flag_max |
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| 61 | |
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| 62 | ! threshold PARAMETERs |
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| 63 | REAL thres_tau, thres_neb |
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| 64 | PARAMETER (thres_tau=0.3, thres_neb=0.001) |
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| 65 | |
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| 66 | REAL phase3d(klon, klev) |
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| 67 | REAL tcc(klon), ftmp(klon), lcc_integrat(klon), height(klon) |
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| 68 | |
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| 69 | REAL paprs(klon, klev+1) |
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| 70 | REAL pplay(klon, klev) |
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| 71 | REAL t(klon, klev) |
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| 72 | REAL pclc(klon, klev) |
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| 73 | REAL pqlwp(klon, klev) |
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| 74 | REAL pcltau(klon, klev) |
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| 75 | REAL pclemi(klon, klev) |
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| 76 | REAL pcldtaupi(klon, klev) |
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| 77 | |
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| 78 | REAL pct(klon) |
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| 79 | REAL pcl(klon) |
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| 80 | REAL pcm(klon) |
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| 81 | REAL pch(klon) |
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| 82 | REAL pctlwp(klon) |
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| 83 | |
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| 84 | LOGICAL lo |
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| 85 | |
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| 86 | ! !Abderr modif JL mail du 19.01.2011 18:31 |
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| 87 | ! REAL cetahb, cetamb |
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| 88 | ! PARAMETER (cetahb = 0.45, cetamb = 0.80) |
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| 89 | ! Remplacer |
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| 90 | ! cetahb*paprs(i,1) par prmhc |
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| 91 | ! cetamb*paprs(i,1) par prlmc |
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| 92 | REAL prmhc ! Pressure between medium and high level cloud in Pa |
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| 93 | REAL prlmc ! Pressure between low and medium level cloud in Pa |
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| 94 | PARAMETER (prmhc=440.*100., prlmc=680.*100.) |
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| 95 | |
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| 96 | INTEGER i, k |
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| 97 | REAL xflwp(klon), xfiwp(klon) |
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| 98 | REAL xflwc(klon, klev), xfiwc(klon, klev) |
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| 99 | |
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| 100 | REAL radius |
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| 101 | |
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| 102 | REAL coef_froi, coef_chau |
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| 103 | PARAMETER (coef_chau=0.13, coef_froi=0.09) |
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| 104 | |
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| 105 | REAL seuil_neb |
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| 106 | PARAMETER (seuil_neb=0.001) |
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| 107 | |
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| 108 | INTEGER nexpo ! exponentiel pour glace/eau |
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| 109 | PARAMETER (nexpo=6) |
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| 110 | ! PARAMETER (nexpo=1) |
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| 111 | |
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| 112 | REAL rel, tc, rei |
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| 113 | REAL k_ice0, k_ice, df |
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| 114 | PARAMETER (k_ice0=0.005) ! units=m2/g |
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| 115 | PARAMETER (df=1.66) ! diffusivity factor |
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| 116 | |
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| 117 | ! jq for the aerosol indirect effect |
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| 118 | ! jq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 |
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| 119 | ! jq |
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| 120 | REAL mass_solu_aero(klon, klev) ! total mass concentration for all soluble aerosols [ug m-3] |
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| 121 | REAL mass_solu_aero_pi(klon, klev) ! - " - (pre-industrial value) |
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| 122 | REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] |
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| 123 | REAL re(klon, klev) ! cloud droplet effective radius [um] |
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| 124 | REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) |
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| 125 | REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) |
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| 126 | |
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| 127 | REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds |
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| 128 | ! within the grid cell) |
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| 129 | |
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| 130 | LOGICAL ok_cdnc |
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| 131 | REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula |
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| 132 | |
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| 133 | ! jq-end |
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| 134 | ! IM cf. CR:parametres supplementaires |
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| 135 | REAL zclear(klon) |
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| 136 | REAL zcloud(klon) |
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| 137 | REAL zcloudh(klon) |
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| 138 | REAL zcloudm(klon) |
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| 139 | REAL zcloudl(klon) |
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| 140 | REAL rhodz(klon, klev) !--rho*dz pour la couche |
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| 141 | REAL zrho(klon, klev) !--rho pour la couche |
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| 142 | REAL dh(klon, klev) !--dz pour la couche |
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| 143 | REAL zfice(klon, klev) |
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| 144 | REAL rad_chaud(klon, klev) !--rayon pour les nuages chauds |
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| 145 | REAL rad_chaud_pi(klon, klev) !--rayon pour les nuages chauds pre-industriels |
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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 | REAL reliq_pi(klon, klev), reice_pi(klon, klev) |
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| 152 | |
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| 153 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 154 | ! FH : 2011/05/24 |
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| 155 | |
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| 156 | ! rei = ( rei_max - rei_min ) * T(°C) / 81.4 + rei_max |
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| 157 | ! to be used for a temperature in celcius T(°C) < 0 |
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| 158 | ! rei=rei_min for T(°C) < -81.4 |
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| 159 | |
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| 160 | ! Calcul de la pente de la relation entre rayon effective des cristaux |
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| 161 | ! et la température. |
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| 162 | ! Pour retrouver les résultats numériques de la version d'origine, |
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| 163 | ! on impose 0.71 quand on est proche de 0.71 |
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| 164 | |
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| 165 | d_rei_dt = (rei_max-rei_min)/81.4 |
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| 166 | IF (abs(d_rei_dt-0.71)<1.E-4) d_rei_dt = 0.71 |
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| 167 | ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 168 | |
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| 169 | ! Calculer l'epaisseur optique et l'emmissivite des nuages |
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| 170 | ! IM inversion des DO |
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| 171 | |
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| 172 | xflwp = 0.D0 |
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| 173 | xfiwp = 0.D0 |
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| 174 | xflwc = 0.D0 |
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| 175 | xfiwc = 0.D0 |
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| 176 | |
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| 177 | reliq = 0. |
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| 178 | reice = 0. |
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| 179 | reliq_pi = 0. |
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| 180 | reice_pi = 0. |
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| 181 | |
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| 182 | DO k = 1, klev |
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| 183 | DO i = 1, klon |
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| 184 | ! -layer calculation |
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| 185 | rhodz(i, k) = (paprs(i,k)-paprs(i,k+1))/rg ! kg/m2 |
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| 186 | zrho(i, k) = pplay(i, k)/t(i, k)/rd ! kg/m3 |
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| 187 | dh(i, k) = rhodz(i, k)/zrho(i, k) ! m |
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| 188 | ! -Fraction of ice in cloud using a linear transition |
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| 189 | zfice(i, k) = 1.0 - (t(i,k)-t_glace_min)/(t_glace_max-t_glace_min) |
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| 190 | zfice(i, k) = min(max(zfice(i,k),0.0), 1.0) |
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| 191 | ! -IM Total Liquid/Ice water content |
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| 192 | xflwc(i, k) = (1.-zfice(i,k))*pqlwp(i, k) |
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| 193 | xfiwc(i, k) = zfice(i, k)*pqlwp(i, k) |
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| 194 | END DO |
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| 195 | END DO |
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| 196 | |
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| 197 | IF (ok_cdnc) THEN |
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| 198 | |
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| 199 | ! --we compute cloud properties as a function of the aerosol load |
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| 200 | |
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| 201 | DO k = 1, klev |
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| 202 | DO i = 1, klon |
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| 203 | |
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| 204 | ! Formula "D" of Boucher and Lohmann, Tellus, 1995 |
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| 205 | ! Cloud droplet number concentration (CDNC) is restricted |
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| 206 | ! to be within [20, 1000 cm^3] |
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| 207 | |
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| 208 | ! --present-day case |
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| 209 | cdnc(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero(i,k), & |
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| 210 | 1.E-4))/log(10.))*1.E6 !-m-3 |
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| 211 | cdnc(i, k) = min(1000.E6, max(20.E6,cdnc(i,k))) |
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| 212 | |
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| 213 | ! --pre-industrial case |
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| 214 | cdnc_pi(i, k) = 10.**(bl95_b0+bl95_b1*log(max(mass_solu_aero_pi(i,k), & |
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| 215 | 1.E-4))/log(10.))*1.E6 !-m-3 |
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| 216 | cdnc_pi(i, k) = min(1000.E6, max(20.E6,cdnc_pi(i,k))) |
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| 217 | |
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| 218 | ! --present-day case |
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| 219 | rad_chaud(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & |
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| 220 | k)/(rd*t(i,k)))/(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 | |
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| 223 | ! --pre-industrial case |
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| 224 | rad_chaud_pi(i, k) = 1.1*((pqlwp(i,k)*pplay(i, & |
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| 225 | k)/(rd*t(i,k)))/(4./3.*rpi*1000.*cdnc_pi(i,k)))**(1./3.) |
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| 226 | rad_chaud_pi(i, k) = max(rad_chaud_pi(i,k)*1.E6, 5.) |
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| 227 | |
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| 228 | ! --pre-industrial case |
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| 229 | ! --liquid/ice cloud water paths: |
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| 230 | IF (pclc(i,k)<=seuil_neb) THEN |
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| 231 | |
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| 232 | pcldtaupi(i, k) = 0.0 |
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| 233 | |
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| 234 | ELSE |
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| 235 | |
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| 236 | zflwp_var = 1000.*(1.-zfice(i,k))*pqlwp(i, k)/pclc(i, k)* & |
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| 237 | rhodz(i, k) |
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| 238 | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) |
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| 239 | tc = t(i, k) - 273.15 |
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| 240 | rei = d_rei_dt*tc + rei_max |
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| 241 | IF (tc<=-81.4) rei = rei_min |
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| 242 | |
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| 243 | ! -- cloud optical thickness : |
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| 244 | ! [for liquid clouds, traditional formula, |
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| 245 | ! for ice clouds, Ebert & Curry (1992)] |
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| 246 | |
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| 247 | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. |
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| 248 | pcldtaupi(i, k) = 3.0/2.0*zflwp_var/rad_chaud_pi(i, k) + & |
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| 249 | zfiwp_var*(3.448E-03+2.431/rei) |
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| 250 | |
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| 251 | END IF |
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| 252 | |
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| 253 | END DO |
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| 254 | END DO |
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| 255 | |
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| 256 | ELSE !--not ok_cdnc |
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| 257 | |
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| 258 | ! -prescribed cloud droplet radius |
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| 259 | |
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| 260 | DO k = 1, min(3, klev) |
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| 261 | DO i = 1, klon |
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| 262 | rad_chaud(i, k) = rad_chau2 |
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| 263 | rad_chaud_pi(i, k) = rad_chau2 |
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| 264 | END DO |
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| 265 | END DO |
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| 266 | DO k = min(3, klev) + 1, klev |
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| 267 | DO i = 1, klon |
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| 268 | rad_chaud(i, k) = rad_chau1 |
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| 269 | rad_chaud_pi(i, k) = rad_chau1 |
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| 270 | END DO |
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| 271 | END DO |
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| 272 | |
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| 273 | END IF !--ok_cdnc |
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| 274 | |
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| 275 | ! --computation of cloud optical depth and emissivity |
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| 276 | ! --in the general case |
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| 277 | |
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| 278 | DO k = 1, klev |
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| 279 | DO i = 1, klon |
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| 280 | |
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| 281 | IF (pclc(i,k)<=seuil_neb) THEN |
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| 282 | |
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| 283 | ! effective cloud droplet radius (microns) for liquid water clouds: |
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| 284 | ! For output diagnostics cloud droplet effective radius [um] |
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| 285 | ! we multiply here with f * xl (fraction of liquid water |
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| 286 | ! clouds in the grid cell) to avoid problems in the averaging of the |
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| 287 | ! output. |
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| 288 | ! In the output of IOIPSL, derive the REAL cloud droplet |
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| 289 | ! effective radius as re/fl |
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| 290 | |
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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 | |
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| 299 | ELSE |
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| 300 | |
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| 301 | ! -- 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)*rhodz(i, k) |
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| 304 | zfiwp_var = 1000.*zfice(i, k)*pqlwp(i, k)/pclc(i, k)*rhodz(i, k) |
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| 305 | |
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| 306 | ! effective cloud droplet radius (microns) for liquid water clouds: |
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| 307 | ! For output diagnostics cloud droplet effective radius [um] |
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| 308 | ! we multiply here with f * xl (fraction of liquid water |
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| 309 | ! clouds in the grid cell) to avoid problems in the averaging of the |
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| 310 | ! output. |
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| 311 | ! In the output of IOIPSL, derive the REAL cloud droplet |
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| 312 | ! effective radius as re/fl |
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| 313 | |
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| 314 | fl(i, k) = pclc(i, k)*(1.-zfice(i,k)) |
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| 315 | re(i, k) = rad_chaud(i, k)*fl(i, k) |
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| 316 | |
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| 317 | rel = rad_chaud(i, k) |
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| 318 | |
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| 319 | ! for ice clouds: as a function of the ambiant temperature |
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| 320 | ! [formula used by Iacobellis and Somerville (2000), with an |
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| 321 | ! asymptotical value of 3.5 microns at T<-81.4 C added to be |
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| 322 | ! consistent with observations of Heymsfield et al. 1986]: |
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| 323 | ! 2011/05/24 : rei_min = 3.5 becomes a free PARAMETER as well as |
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| 324 | ! rei_max=61.29 |
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| 325 | |
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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<=-81.4) rei = rei_min |
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| 329 | |
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| 330 | ! -- cloud optical thickness : |
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| 331 | ! [for liquid clouds, traditional formula, |
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| 332 | ! for ice clouds, Ebert & Curry (1992)] |
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| 333 | |
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| 334 | IF (zflwp_var==0.) rel = 1. |
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| 335 | IF (zfiwp_var==0. .OR. rei<=0.) rei = 1. |
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| 336 | pcltau(i, k) = 3.0/2.0*(zflwp_var/rel) + zfiwp_var*(3.448E-03+2.431/ & |
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| 337 | rei) |
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| 338 | |
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| 339 | ! -- cloud infrared emissivity: |
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| 340 | ! [the broadband infrared absorption coefficient is PARAMETERized |
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| 341 | ! as a function of the effective cld droplet radius] |
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| 342 | ! Ebert and Curry (1992) formula as used by Kiehl & Zender (1995): |
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| 343 | |
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| 344 | k_ice = k_ice0 + 1.0/rei |
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| 345 | |
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| 346 | pclemi(i, k) = 1.0 - exp(-coef_chau*zflwp_var-df*k_ice*zfiwp_var) |
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| 347 | |
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| 348 | END IF |
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| 349 | |
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| 350 | reice(i, k) = rei |
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| 351 | |
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| 352 | xflwp(i) = xflwp(i) + xflwc(i, k)*rhodz(i, k) |
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| 353 | xfiwp(i) = xfiwp(i) + xfiwc(i, k)*rhodz(i, k) |
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| 354 | |
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| 355 | END DO |
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| 356 | END DO |
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| 357 | |
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| 358 | ! --if cloud droplet radius is fixed, then pcldtaupi=pcltau |
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| 359 | |
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| 360 | IF (.NOT. ok_cdnc) THEN |
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| 361 | DO k = 1, klev |
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| 362 | DO i = 1, klon |
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| 363 | pcldtaupi(i, k) = pcltau(i, k) |
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| 364 | reice_pi(i, k) = reice(i, k) |
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| 365 | END DO |
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| 366 | END DO |
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| 367 | END IF |
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| 368 | |
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| 369 | DO k = 1, klev |
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| 370 | DO i = 1, klon |
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| 371 | reliq(i, k) = rad_chaud(i, k) |
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| 372 | reliq_pi(i, k) = rad_chaud_pi(i, k) |
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| 373 | reice_pi(i, k) = reice(i, k) |
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| 374 | END DO |
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| 375 | END DO |
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| 376 | |
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| 377 | ! COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS |
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| 378 | ! IM cf. CR:test: calcul prenant ou non en compte le recouvrement |
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| 379 | ! initialisations |
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| 380 | |
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| 381 | DO i = 1, klon |
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| 382 | zclear(i) = 1. |
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| 383 | zcloud(i) = 0. |
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| 384 | zcloudh(i) = 0. |
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| 385 | zcloudm(i) = 0. |
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| 386 | zcloudl(i) = 0. |
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| 387 | pch(i) = 1.0 |
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| 388 | pcm(i) = 1.0 |
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| 389 | pcl(i) = 1.0 |
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| 390 | pctlwp(i) = 0.0 |
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| 391 | END DO |
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| 392 | |
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| 393 | ! --calculation of liquid water path |
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| 394 | |
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| 395 | DO k = klev, 1, -1 |
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| 396 | DO i = 1, klon |
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| 397 | pctlwp(i) = pctlwp(i) + pqlwp(i, k)*rhodz(i, k) |
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| 398 | END DO |
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| 399 | END DO |
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| 400 | |
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| 401 | ! --calculation of cloud properties with cloud overlap |
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| 402 | |
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| 403 | IF (novlp==1) THEN |
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| 404 | DO k = klev, 1, -1 |
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| 405 | DO i = 1, klon |
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| 406 | zclear(i) = zclear(i)*(1.-max(pclc(i,k),zcloud(i)))/(1.-min(real( & |
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| 407 | zcloud(i),kind=8),1.-zepsec)) |
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| 408 | pct(i) = 1. - zclear(i) |
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| 409 | IF (paprs(i,k)<prmhc) THEN |
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| 410 | pch(i) = pch(i)*(1.-max(pclc(i,k),zcloudh(i)))/(1.-min(real(zcloudh & |
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| 411 | (i),kind=8),1.-zepsec)) |
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| 412 | zcloudh(i) = pclc(i, k) |
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| 413 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
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| 414 | pcm(i) = pcm(i)*(1.-max(pclc(i,k),zcloudm(i)))/(1.-min(real(zcloudm & |
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| 415 | (i),kind=8),1.-zepsec)) |
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| 416 | zcloudm(i) = pclc(i, k) |
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| 417 | ELSE IF (paprs(i,k)>=prlmc) THEN |
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| 418 | pcl(i) = pcl(i)*(1.-max(pclc(i,k),zcloudl(i)))/(1.-min(real(zcloudl & |
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| 419 | (i),kind=8),1.-zepsec)) |
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| 420 | zcloudl(i) = pclc(i, k) |
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| 421 | END IF |
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| 422 | zcloud(i) = pclc(i, k) |
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| 423 | END DO |
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| 424 | END DO |
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| 425 | ELSE IF (novlp==2) THEN |
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| 426 | DO k = klev, 1, -1 |
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| 427 | DO i = 1, klon |
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| 428 | zcloud(i) = max(pclc(i,k), zcloud(i)) |
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| 429 | pct(i) = zcloud(i) |
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| 430 | IF (paprs(i,k)<prmhc) THEN |
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| 431 | pch(i) = min(pclc(i,k), pch(i)) |
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| 432 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
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| 433 | pcm(i) = min(pclc(i,k), pcm(i)) |
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| 434 | ELSE IF (paprs(i,k)>=prlmc) THEN |
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| 435 | pcl(i) = min(pclc(i,k), pcl(i)) |
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| 436 | END IF |
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| 437 | END DO |
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| 438 | END DO |
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| 439 | ELSE IF (novlp==3) THEN |
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| 440 | DO k = klev, 1, -1 |
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| 441 | DO i = 1, klon |
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| 442 | zclear(i) = zclear(i)*(1.-pclc(i,k)) |
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| 443 | pct(i) = 1 - zclear(i) |
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| 444 | IF (paprs(i,k)<prmhc) THEN |
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| 445 | pch(i) = pch(i)*(1.0-pclc(i,k)) |
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| 446 | ELSE IF (paprs(i,k)>=prmhc .AND. paprs(i,k)<prlmc) THEN |
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| 447 | pcm(i) = pcm(i)*(1.0-pclc(i,k)) |
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| 448 | ELSE IF (paprs(i,k)>=prlmc) THEN |
|---|
| 449 | pcl(i) = pcl(i)*(1.0-pclc(i,k)) |
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| 450 | END IF |
|---|
| 451 | END DO |
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| 452 | END DO |
|---|
| 453 | END IF |
|---|
| 454 | |
|---|
| 455 | DO i = 1, klon |
|---|
| 456 | pch(i) = 1. - pch(i) |
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| 457 | pcm(i) = 1. - pcm(i) |
|---|
| 458 | pcl(i) = 1. - pcl(i) |
|---|
| 459 | END DO |
|---|
| 460 | |
|---|
| 461 | ! ======================================================== |
|---|
| 462 | ! DIAGNOSTICS CALCULATION FOR CMIP5 PROTOCOL |
|---|
| 463 | ! ======================================================== |
|---|
| 464 | ! change by Nicolas Yan (LSCE) |
|---|
| 465 | ! Cloud Droplet Number Concentration (CDNC) : 3D variable |
|---|
| 466 | ! Fractionnal cover by liquid water cloud (LCC3D) : 3D variable |
|---|
| 467 | ! Cloud Droplet Number Concentration at top of cloud (CLDNCL) : 2D variable |
|---|
| 468 | ! Droplet effective radius at top of cloud (REFFCLWTOP) : 2D variable |
|---|
| 469 | ! Fractionnal cover by liquid water at top of clouds (LCC) : 2D variable |
|---|
| 470 | |
|---|
| 471 | IF (ok_cdnc) THEN |
|---|
| 472 | |
|---|
| 473 | DO k = 1, klev |
|---|
| 474 | DO i = 1, klon |
|---|
| 475 | phase3d(i, k) = 1 - zfice(i, k) |
|---|
| 476 | IF (pclc(i,k)<=seuil_neb) THEN |
|---|
| 477 | lcc3d(i, k) = seuil_neb*phase3d(i, k) |
|---|
| 478 | ELSE |
|---|
| 479 | lcc3d(i, k) = pclc(i, k)*phase3d(i, k) |
|---|
| 480 | END IF |
|---|
| 481 | scdnc(i, k) = lcc3d(i, k)*cdnc(i, k) ! m-3 |
|---|
| 482 | END DO |
|---|
| 483 | END DO |
|---|
| 484 | |
|---|
| 485 | DO i = 1, klon |
|---|
| 486 | lcc(i) = 0. |
|---|
| 487 | reffclwtop(i) = 0. |
|---|
| 488 | cldncl(i) = 0. |
|---|
| 489 | IF (random .OR. maximum_random) tcc(i) = 1. |
|---|
| 490 | IF (maximum) tcc(i) = 0. |
|---|
| 491 | END DO |
|---|
| 492 | |
|---|
| 493 | DO i = 1, klon |
|---|
| 494 | DO k = klev - 1, 1, -1 !From TOA down |
|---|
| 495 | |
|---|
| 496 | ! Test, if the cloud optical depth exceeds the necessary |
|---|
| 497 | ! threshold: |
|---|
| 498 | |
|---|
| 499 | IF (pcltau(i,k)>thres_tau .AND. pclc(i,k)>thres_neb) THEN |
|---|
| 500 | |
|---|
| 501 | IF (maximum) THEN |
|---|
| 502 | IF (first) THEN |
|---|
| 503 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM' |
|---|
| 504 | first = .FALSE. |
|---|
| 505 | END IF |
|---|
| 506 | flag_max = -1. |
|---|
| 507 | ftmp(i) = max(tcc(i), pclc(i,k)) |
|---|
| 508 | END IF |
|---|
| 509 | |
|---|
| 510 | IF (random) THEN |
|---|
| 511 | IF (first) THEN |
|---|
| 512 | WRITE (*, *) 'Hypothese de recouvrement: RANDOM' |
|---|
| 513 | first = .FALSE. |
|---|
| 514 | END IF |
|---|
| 515 | flag_max = 1. |
|---|
| 516 | ftmp(i) = tcc(i)*(1-pclc(i,k)) |
|---|
| 517 | END IF |
|---|
| 518 | |
|---|
| 519 | IF (maximum_random) THEN |
|---|
| 520 | IF (first) THEN |
|---|
| 521 | WRITE (*, *) 'Hypothese de recouvrement: MAXIMUM_ & |
|---|
| 522 | & & |
|---|
| 523 | & RANDOM' |
|---|
| 524 | first = .FALSE. |
|---|
| 525 | END IF |
|---|
| 526 | flag_max = 1. |
|---|
| 527 | ftmp(i) = tcc(i)*(1.-max(pclc(i,k),pclc(i,k+1)))/(1.-min(pclc(i, & |
|---|
| 528 | k+1),1.-thres_neb)) |
|---|
| 529 | END IF |
|---|
| 530 | ! Effective radius of cloud droplet at top of cloud (m) |
|---|
| 531 | reffclwtop(i) = reffclwtop(i) + rad_chaud(i, k)*1.0E-06*phase3d(i, & |
|---|
| 532 | k)*(tcc(i)-ftmp(i))*flag_max |
|---|
| 533 | ! CDNC at top of cloud (m-3) |
|---|
| 534 | cldncl(i) = cldncl(i) + cdnc(i, k)*phase3d(i, k)*(tcc(i)-ftmp(i))* & |
|---|
| 535 | flag_max |
|---|
| 536 | ! Liquid Cloud Content at top of cloud |
|---|
| 537 | lcc(i) = lcc(i) + phase3d(i, k)*(tcc(i)-ftmp(i))*flag_max |
|---|
| 538 | ! Total Cloud Content at top of cloud |
|---|
| 539 | tcc(i) = ftmp(i) |
|---|
| 540 | |
|---|
| 541 | END IF ! is there a visible, not-too-small cloud? |
|---|
| 542 | END DO ! loop over k |
|---|
| 543 | |
|---|
| 544 | IF (random .OR. maximum_random) tcc(i) = 1. - tcc(i) |
|---|
| 545 | |
|---|
| 546 | END DO ! loop over i |
|---|
| 547 | |
|---|
| 548 | ! ! Convective and Stratiform Cloud Droplet Effective Radius (REFFCLWC |
|---|
| 549 | ! REFFCLWS) |
|---|
| 550 | DO i = 1, klon |
|---|
| 551 | DO k = 1, klev |
|---|
| 552 | ! Weight to be used for outputs: eau_liquide*couverture nuageuse |
|---|
| 553 | lcc3dcon(i, k) = rnebcon(i, k)*phase3d(i, k)*clwcon(i, k) ! eau liquide convective |
|---|
| 554 | lcc3dstra(i, k) = pclc(i, k)*pqlwp(i, k)*phase3d(i, k) |
|---|
| 555 | lcc3dstra(i, k) = lcc3dstra(i, k) - lcc3dcon(i, k) ! eau liquide stratiforme |
|---|
| 556 | lcc3dstra(i, k) = max(lcc3dstra(i,k), 0.0) |
|---|
| 557 | ! Compute cloud droplet radius as above in meter |
|---|
| 558 | radius = 1.1*((pqlwp(i,k)*pplay(i,k)/(rd*t(i,k)))/(4./3*rpi*1000.* & |
|---|
| 559 | cdnc(i,k)))**(1./3.) |
|---|
| 560 | radius = max(radius, 5.E-6) |
|---|
| 561 | ! Convective Cloud Droplet Effective Radius (REFFCLWC) : variable 3D |
|---|
| 562 | reffclwc(i, k) = radius |
|---|
| 563 | reffclwc(i, k) = reffclwc(i, k)*lcc3dcon(i, k) |
|---|
| 564 | ! Stratiform Cloud Droplet Effective Radius (REFFCLWS) : variable 3D |
|---|
| 565 | reffclws(i, k) = radius |
|---|
| 566 | reffclws(i, k) = reffclws(i, k)*lcc3dstra(i, k) |
|---|
| 567 | END DO !klev |
|---|
| 568 | END DO !klon |
|---|
| 569 | |
|---|
| 570 | ! Column Integrated Cloud Droplet Number (CLDNVI) : variable 2D |
|---|
| 571 | |
|---|
| 572 | DO i = 1, klon |
|---|
| 573 | cldnvi(i) = 0. |
|---|
| 574 | lcc_integrat(i) = 0. |
|---|
| 575 | height(i) = 0. |
|---|
| 576 | DO k = 1, klev |
|---|
| 577 | cldnvi(i) = cldnvi(i) + cdnc(i, k)*lcc3d(i, k)*dh(i, k) |
|---|
| 578 | lcc_integrat(i) = lcc_integrat(i) + lcc3d(i, k)*dh(i, k) |
|---|
| 579 | height(i) = height(i) + dh(i, k) |
|---|
| 580 | END DO ! klev |
|---|
| 581 | lcc_integrat(i) = lcc_integrat(i)/height(i) |
|---|
| 582 | IF (lcc_integrat(i)<=1.0E-03) THEN |
|---|
| 583 | cldnvi(i) = cldnvi(i)*lcc(i)/seuil_neb |
|---|
| 584 | ELSE |
|---|
| 585 | cldnvi(i) = cldnvi(i)*lcc(i)/lcc_integrat(i) |
|---|
| 586 | END IF |
|---|
| 587 | END DO ! klon |
|---|
| 588 | |
|---|
| 589 | DO i = 1, klon |
|---|
| 590 | DO k = 1, klev |
|---|
| 591 | IF (scdnc(i,k)<=0.0) scdnc(i, k) = 0.0 |
|---|
| 592 | IF (reffclws(i,k)<=0.0) reffclws(i, k) = 0.0 |
|---|
| 593 | IF (reffclwc(i,k)<=0.0) reffclwc(i, k) = 0.0 |
|---|
| 594 | IF (lcc3d(i,k)<=0.0) lcc3d(i, k) = 0.0 |
|---|
| 595 | IF (lcc3dcon(i,k)<=0.0) lcc3dcon(i, k) = 0.0 |
|---|
| 596 | IF (lcc3dstra(i,k)<=0.0) lcc3dstra(i, k) = 0.0 |
|---|
| 597 | END DO |
|---|
| 598 | IF (reffclwtop(i)<=0.0) reffclwtop(i) = 0.0 |
|---|
| 599 | IF (cldncl(i)<=0.0) cldncl(i) = 0.0 |
|---|
| 600 | IF (cldnvi(i)<=0.0) cldnvi(i) = 0.0 |
|---|
| 601 | IF (lcc(i)<=0.0) lcc(i) = 0.0 |
|---|
| 602 | END DO |
|---|
| 603 | |
|---|
| 604 | END IF !ok_cdnc |
|---|
| 605 | |
|---|
| 606 | RETURN |
|---|
| 607 | |
|---|
| 608 | END SUBROUTINE newmicro |
|---|
