| 1 |
! |
SUBROUTINE nuage (paprs, pplay, & |
| 2 |
! $Header: /home/cvsroot/LMDZ4/libf/phylmd/nuage.F,v 1.1.1.1 2004/05/19 12:53:07 lmdzadmin Exp $ |
t, pqlwp, pclc, pcltau, pclemi, & |
| 3 |
! |
pch, pcl, pcm, pct, pctlwp, & |
| 4 |
SUBROUTINE nuage (paprs, pplay, |
ok_aie, & |
| 5 |
. t, pqlwp, pclc, pcltau, pclemi, |
sulfate, sulfate_pi, & |
| 6 |
. pch, pcl, pcm, pct, pctlwp, |
bl95_b0, bl95_b1, & |
| 7 |
e ok_aie, |
cldtaupi, re, fl) |
| 8 |
e sulfate, sulfate_pi, |
! |
| 9 |
e bl95_b0, bl95_b1, |
! From LMDZ4/libf/phylmd/nuage.F, version 1.1.1.1 2004/05/19 12:53:07 |
| 10 |
s cldtaupi, re, fl) |
! |
| 11 |
use dimens_m |
use dimens_m |
| 12 |
use dimphy |
use dimphy |
| 13 |
use YOMCST |
use SUPHEC_M |
| 14 |
IMPLICIT none |
IMPLICIT none |
| 15 |
c====================================================================== |
!====================================================================== |
| 16 |
c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 |
! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930910 |
| 17 |
c Objet: Calculer epaisseur optique et emmissivite des nuages |
! Objet: Calculer epaisseur optique et emmissivite des nuages |
| 18 |
c====================================================================== |
!====================================================================== |
| 19 |
c Arguments: |
! Arguments: |
| 20 |
c t-------input-R-temperature |
! t-------input-R-temperature |
| 21 |
c pqlwp---input-R-eau liquide nuageuse dans l'atmosphere (kg/kg) |
! pqlwp---input-R-eau liquide nuageuse dans l'atmosphere (kg/kg) |
| 22 |
c pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) |
! pclc----input-R-couverture nuageuse pour le rayonnement (0 a 1) |
| 23 |
c ok_aie--input-L-apply aerosol indirect effect or not |
! ok_aie--input-L-apply aerosol indirect effect or not |
| 24 |
c sulfate-input-R-sulfate aerosol mass concentration [um/m^3] |
! sulfate-input-R-sulfate aerosol mass concentration [um/m^3] |
| 25 |
c sulfate_pi-input-R-dito, pre-industrial value |
! sulfate_pi-input-R-dito, pre-industrial value |
| 26 |
c bl95_b0-input-R-a parameter, may be varied for tests (s-sea, l-land) |
! bl95_b0-input-R-a parameter, may be varied for tests (s-sea, l-land) |
| 27 |
c bl95_b1-input-R-a parameter, may be varied for tests ( -"- ) |
! bl95_b1-input-R-a parameter, may be varied for tests ( -"- ) |
| 28 |
c |
! |
| 29 |
c cldtaupi-output-R-pre-industrial value of cloud optical thickness, |
! cldtaupi-output-R-pre-industrial value of cloud optical thickness, |
| 30 |
c needed for the diagnostics of the aerosol indirect |
! needed for the diagnostics of the aerosol indirect |
| 31 |
c radiative forcing (see radlwsw) |
! radiative forcing (see radlwsw) |
| 32 |
c re------output-R-Cloud droplet effective radius multiplied by fl [um] |
! re------output-R-Cloud droplet effective radius multiplied by fl [um] |
| 33 |
c fl------output-R-Denominator to re, introduced to avoid problems in |
! fl------output-R-Denominator to re, introduced to avoid problems in |
| 34 |
c the averaging of the output. fl is the fraction of liquid |
! the averaging of the output. fl is the fraction of liquid |
| 35 |
c water clouds within a grid cell |
! water clouds within a grid cell |
| 36 |
c |
! |
| 37 |
c pcltau--output-R-epaisseur optique des nuages |
! pcltau--output-R-epaisseur optique des nuages |
| 38 |
c pclemi--output-R-emissivite des nuages (0 a 1) |
! pclemi--output-R-emissivite des nuages (0 a 1) |
| 39 |
c====================================================================== |
!====================================================================== |
| 40 |
C |
! |
| 41 |
c |
! |
| 42 |
REAL, intent(in):: paprs(klon,klev+1) |
REAL, intent(in):: paprs(klon,klev+1) |
| 43 |
real pplay(klon,klev) |
real, intent(in):: pplay(klon,klev) |
| 44 |
REAL t(klon,klev) |
REAL, intent(in):: t(klon,klev) |
| 45 |
c |
! |
| 46 |
REAL pclc(klon,klev) |
REAL pclc(klon,klev) |
| 47 |
REAL pqlwp(klon,klev) |
REAL pqlwp(klon,klev) |
| 48 |
REAL pcltau(klon,klev), pclemi(klon,klev) |
REAL pcltau(klon,klev), pclemi(klon,klev) |
| 49 |
c |
! |
| 50 |
REAL pct(klon), pctlwp(klon), pch(klon), pcl(klon), pcm(klon) |
REAL pct(klon), pctlwp(klon), pch(klon), pcl(klon), pcm(klon) |
| 51 |
c |
! |
| 52 |
LOGICAL lo |
LOGICAL lo |
| 53 |
c |
! |
| 54 |
REAL cetahb, cetamb |
REAL cetahb, cetamb |
| 55 |
PARAMETER (cetahb = 0.45, cetamb = 0.80) |
PARAMETER (cetahb = 0.45, cetamb = 0.80) |
| 56 |
C |
! |
| 57 |
INTEGER i, k |
INTEGER i, k |
| 58 |
REAL zflwp, zradef, zfice, zmsac |
REAL zflwp, zradef, zfice, zmsac |
| 59 |
c |
! |
| 60 |
REAL radius, rad_froid, rad_chaud, rad_chau1, rad_chau2 |
REAL radius, rad_froid, rad_chaud, rad_chau1, rad_chau2 |
| 61 |
PARAMETER (rad_chau1=13.0, rad_chau2=9.0, rad_froid=35.0) |
PARAMETER (rad_chau1=13.0, rad_chau2=9.0, rad_froid=35.0) |
| 62 |
ccc PARAMETER (rad_chaud=15.0, rad_froid=35.0) |
!cc PARAMETER (rad_chaud=15.0, rad_froid=35.0) |
| 63 |
c sintex initial PARAMETER (rad_chaud=10.0, rad_froid=30.0) |
! sintex initial PARAMETER (rad_chaud=10.0, rad_froid=30.0) |
| 64 |
REAL coef, coef_froi, coef_chau |
REAL coef, coef_froi, coef_chau |
| 65 |
PARAMETER (coef_chau=0.13, coef_froi=0.09) |
PARAMETER (coef_chau=0.13, coef_froi=0.09) |
| 66 |
REAL seuil_neb, t_glace |
REAL seuil_neb, t_glace |
| 67 |
PARAMETER (seuil_neb=0.001, t_glace=273.0-15.0) |
PARAMETER (seuil_neb=0.001, t_glace=273.0-15.0) |
| 68 |
INTEGER nexpo ! exponentiel pour glace/eau |
INTEGER nexpo ! exponentiel pour glace/eau |
| 69 |
PARAMETER (nexpo=6) |
PARAMETER (nexpo=6) |
| 70 |
|
|
| 71 |
cjq for the aerosol indirect effect |
!jq for the aerosol indirect effect |
| 72 |
cjq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 |
!jq introduced by Johannes Quaas (quaas@lmd.jussieu.fr), 27/11/2003 |
| 73 |
cjq |
!jq |
| 74 |
LOGICAL ok_aie ! Apply AIE or not? |
LOGICAL ok_aie ! Apply AIE or not? |
| 75 |
|
|
| 76 |
REAL sulfate(klon, klev) ! sulfate aerosol mass concentration [ug m-3] |
REAL sulfate(klon, klev) ! sulfate aerosol mass concentration [ug m-3] |
| 77 |
REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] |
REAL cdnc(klon, klev) ! cloud droplet number concentration [m-3] |
| 78 |
REAL re(klon, klev) ! cloud droplet effective radius [um] |
REAL re(klon, klev) ! cloud droplet effective radius [um] |
| 79 |
REAL sulfate_pi(klon, klev) ! sulfate aerosol mass concentration [ug m-3] (pre-industrial value) |
REAL sulfate_pi(klon, klev) ! sulfate aerosol mass concentration [ug m-3] (pre-industrial value) |
| 80 |
REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) |
REAL cdnc_pi(klon, klev) ! cloud droplet number concentration [m-3] (pi value) |
| 81 |
REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) |
REAL re_pi(klon, klev) ! cloud droplet effective radius [um] (pi value) |
| 82 |
|
|
| 83 |
REAL fl(klon, klev) ! xliq * rneb (denominator to re; fraction of liquid water clouds within the grid cell) |
REAL fl(klon, klev) ! xliq * rneb (denominator to re ; fraction of liquid water clouds within the grid cell) |
| 84 |
|
|
| 85 |
REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula |
REAL bl95_b0, bl95_b1 ! Parameter in B&L 95-Formula |
| 86 |
|
|
| 87 |
REAL cldtaupi(klon, klev) ! pre-industrial cloud opt thickness for diag |
REAL cldtaupi(klon, klev) ! pre-industrial cloud opt thickness for diag |
| 88 |
cjq-end |
|
| 89 |
|
!cc PARAMETER (nexpo=1) |
| 90 |
ccc PARAMETER (nexpo=1) |
! |
| 91 |
c |
! Calculer l'epaisseur optique et l'emmissivite des nuages |
| 92 |
c Calculer l'epaisseur optique et l'emmissivite des nuages |
! |
| 93 |
c |
DO k = 1, klev |
| 94 |
DO k = 1, klev |
DO i = 1, klon |
| 95 |
DO i = 1, klon |
rad_chaud = rad_chau1 |
| 96 |
rad_chaud = rad_chau1 |
IF (k.LE.3) rad_chaud = rad_chau2 |
| 97 |
IF (k.LE.3) rad_chaud = rad_chau2 |
|
| 98 |
|
pclc(i,k) = MAX(pclc(i,k), seuil_neb) |
| 99 |
pclc(i,k) = MAX(pclc(i,k), seuil_neb) |
zflwp = 1000.*pqlwp(i,k)/RG/pclc(i,k) & |
| 100 |
zflwp = 1000.*pqlwp(i,k)/RG/pclc(i,k) |
*(paprs(i,k)-paprs(i,k+1)) |
| 101 |
. *(paprs(i,k)-paprs(i,k+1)) |
zfice = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) |
| 102 |
zfice = 1.0 - (t(i,k)-t_glace) / (273.13-t_glace) |
zfice = MIN(MAX(zfice,0.0),1.0) |
| 103 |
zfice = MIN(MAX(zfice,0.0),1.0) |
zfice = zfice**nexpo |
| 104 |
zfice = zfice**nexpo |
|
| 105 |
|
IF (ok_aie) THEN |
| 106 |
IF (ok_aie) THEN |
! Formula "D" of Boucher and Lohmann, Tellus, 1995 |
| 107 |
! Formula "D" of Boucher and Lohmann, Tellus, 1995 |
! |
| 108 |
! |
cdnc(i,k) = 10.**(bl95_b0+bl95_b1* & |
| 109 |
cdnc(i,k) = 10.**(bl95_b0+bl95_b1* |
log(MAX(sulfate(i,k),1.e-4))/log(10.))*1.e6 !-m-3 |
| 110 |
. log(MAX(sulfate(i,k),1.e-4))/log(10.))*1.e6 !-m-3 |
! Cloud droplet number concentration (CDNC) is restricted |
| 111 |
! Cloud droplet number concentration (CDNC) is restricted |
! to be within [20, 1000 cm^3] |
| 112 |
! to be within [20, 1000 cm^3] |
! |
| 113 |
! |
cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k))) |
| 114 |
cdnc(i,k)=MIN(1000.e6,MAX(20.e6,cdnc(i,k))) |
cdnc_pi(i,k) = 10.**(bl95_b0+bl95_b1* & |
| 115 |
cdnc_pi(i,k) = 10.**(bl95_b0+bl95_b1* |
log(MAX(sulfate_pi(i,k),1.e-4))/log(10.))*1.e6 !-m-3 |
| 116 |
. log(MAX(sulfate_pi(i,k),1.e-4))/log(10.))*1.e6 !-m-3 |
cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k))) |
| 117 |
cdnc_pi(i,k)=MIN(1000.e6,MAX(20.e6,cdnc_pi(i,k))) |
! |
| 118 |
! |
! |
| 119 |
! |
! air density: pplay(i,k) / (RD * zT(i,k)) |
| 120 |
! air density: pplay(i,k) / (RD * zT(i,k)) |
! factor 1.1: derive effective radius from volume-mean radius |
| 121 |
! factor 1.1: derive effective radius from volume-mean radius |
! factor 1000 is the water density |
| 122 |
! factor 1000 is the water density |
! _chaud means that this is the CDR for liquid water clouds |
| 123 |
! _chaud means that this is the CDR for liquid water clouds |
! |
| 124 |
! |
rad_chaud = & |
| 125 |
rad_chaud = |
1.1 * ( (pqlwp(i,k) * pplay(i,k) / (RD * T(i,k)) ) & |
| 126 |
. 1.1 * ( (pqlwp(i,k) * pplay(i,k) / (RD * T(i,k)) ) |
/ (4./3. * RPI * 1000. * cdnc(i,k)) )**(1./3.) |
| 127 |
. / (4./3. * RPI * 1000. * cdnc(i,k)) )**(1./3.) |
! |
| 128 |
! |
! Convert to um. CDR shall be at least 3 um. |
| 129 |
! Convert to um. CDR shall be at least 3 um. |
! |
| 130 |
! |
rad_chaud = MAX(rad_chaud*1.e6, 3.) |
| 131 |
rad_chaud = MAX(rad_chaud*1.e6, 3.) |
|
| 132 |
|
! For output diagnostics |
| 133 |
! For output diagnostics |
! |
| 134 |
! |
! Cloud droplet effective radius [um] |
| 135 |
! Cloud droplet effective radius [um] |
! |
| 136 |
! |
! we multiply here with f * xl (fraction of liquid water |
| 137 |
! we multiply here with f * xl (fraction of liquid water |
! clouds in the grid cell) to avoid problems in the |
| 138 |
! clouds in the grid cell) to avoid problems in the |
! averaging of the output. |
| 139 |
! averaging of the output. |
! In the output of IOIPSL, derive the real cloud droplet |
| 140 |
! In the output of IOIPSL, derive the real cloud droplet |
! effective radius as re/fl |
| 141 |
! effective radius as re/fl |
! |
| 142 |
! |
fl(i,k) = pclc(i,k)*(1.-zfice) |
| 143 |
fl(i,k) = pclc(i,k)*(1.-zfice) |
re(i,k) = rad_chaud*fl(i,k) |
| 144 |
re(i,k) = rad_chaud*fl(i,k) |
|
| 145 |
|
! Pre-industrial cloud opt thickness |
| 146 |
! Pre-industrial cloud opt thickness |
! |
| 147 |
! |
! "radius" is calculated as rad_chaud above (plus the |
| 148 |
! "radius" is calculated as rad_chaud above (plus the |
! ice cloud contribution) but using cdnc_pi instead of |
| 149 |
! ice cloud contribution) but using cdnc_pi instead of |
! cdnc. |
| 150 |
! cdnc. |
radius = MAX(1.1e6 * ( (pqlwp(i,k)*pplay(i,k)/(RD*T(i,k))) & |
| 151 |
radius = MAX(1.1e6 * ( (pqlwp(i,k)*pplay(i,k)/(RD*T(i,k))) |
/ (4./3.*RPI*1000.*cdnc_pi(i,k)) )**(1./3.), & |
| 152 |
. / (4./3.*RPI*1000.*cdnc_pi(i,k)) )**(1./3.), |
3.) * (1.-zfice) + rad_froid * zfice |
| 153 |
. 3.) * (1.-zfice) + rad_froid * zfice |
cldtaupi(i,k) = 3.0/2.0 * zflwp / radius |
| 154 |
cldtaupi(i,k) = 3.0/2.0 * zflwp / radius |
|
| 155 |
. |
END IF ! ok_aie |
| 156 |
ENDIF ! ok_aie |
|
| 157 |
|
radius = rad_chaud * (1.-zfice) + rad_froid * zfice |
| 158 |
radius = rad_chaud * (1.-zfice) + rad_froid * zfice |
coef = coef_chau * (1.-zfice) + coef_froi * zfice |
| 159 |
coef = coef_chau * (1.-zfice) + coef_froi * zfice |
pcltau(i,k) = 3.0/2.0 * zflwp / radius |
| 160 |
pcltau(i,k) = 3.0/2.0 * zflwp / radius |
pclemi(i,k) = 1.0 - EXP( - coef * zflwp) |
| 161 |
pclemi(i,k) = 1.0 - EXP( - coef * zflwp) |
lo = (pclc(i,k) .LE. seuil_neb) |
| 162 |
lo = (pclc(i,k) .LE. seuil_neb) |
IF (lo) pclc(i,k) = 0.0 |
| 163 |
IF (lo) pclc(i,k) = 0.0 |
IF (lo) pcltau(i,k) = 0.0 |
| 164 |
IF (lo) pcltau(i,k) = 0.0 |
IF (lo) pclemi(i,k) = 0.0 |
| 165 |
IF (lo) pclemi(i,k) = 0.0 |
|
| 166 |
|
IF (.NOT.ok_aie) cldtaupi(i,k)=pcltau(i,k) |
| 167 |
IF (.NOT.ok_aie) cldtaupi(i,k)=pcltau(i,k) |
END DO |
| 168 |
ENDDO |
END DO |
| 169 |
ENDDO |
! |
| 170 |
ccc DO k = 1, klev |
! COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS |
| 171 |
ccc DO i = 1, klon |
! |
| 172 |
ccc t(i,k) = t(i,k) |
DO i = 1, klon |
| 173 |
ccc pclc(i,k) = MAX( 1.e-5 , pclc(i,k) ) |
pct(i)=1.0 |
| 174 |
ccc lo = pclc(i,k) .GT. (2.*1.e-5) |
pch(i)=1.0 |
| 175 |
ccc zflwp = pqlwp(i,k)*1000.*(paprs(i,k)-paprs(i,k+1)) |
pcm(i) = 1.0 |
| 176 |
ccc . /(rg*pclc(i,k)) |
pcl(i) = 1.0 |
| 177 |
ccc zradef = 10.0 + (1.-sigs(k))*45.0 |
pctlwp(i) = 0.0 |
| 178 |
ccc pcltau(i,k) = 1.5 * zflwp / zradef |
END DO |
| 179 |
ccc zfice=1.0-MIN(MAX((t(i,k)-263.)/(273.-263.),0.0),1.0) |
! |
| 180 |
ccc zmsac = 0.13*(1.0-zfice) + 0.08*zfice |
DO k = klev, 1, -1 |
| 181 |
ccc pclemi(i,k) = 1.-EXP(-zmsac*zflwp) |
DO i = 1, klon |
| 182 |
ccc if (.NOT.lo) pclc(i,k) = 0.0 |
pctlwp(i) = pctlwp(i) & |
| 183 |
ccc if (.NOT.lo) pcltau(i,k) = 0.0 |
+ pqlwp(i,k)*(paprs(i,k)-paprs(i,k+1))/RG |
| 184 |
ccc if (.NOT.lo) pclemi(i,k) = 0.0 |
pct(i) = pct(i)*(1.0-pclc(i,k)) |
| 185 |
ccc ENDDO |
if (pplay(i,k).LE.cetahb*paprs(i,1)) & |
| 186 |
ccc ENDDO |
pch(i) = pch(i)*(1.0-pclc(i,k)) |
| 187 |
cccccc print*, 'pas de nuage dans le rayonnement' |
if (pplay(i,k).GT.cetahb*paprs(i,1) .AND. & |
| 188 |
cccccc DO k = 1, klev |
pplay(i,k).LE.cetamb*paprs(i,1)) & |
| 189 |
cccccc DO i = 1, klon |
pcm(i) = pcm(i)*(1.0-pclc(i,k)) |
| 190 |
cccccc pclc(i,k) = 0.0 |
if (pplay(i,k).GT.cetamb*paprs(i,1)) & |
| 191 |
cccccc pcltau(i,k) = 0.0 |
pcl(i) = pcl(i)*(1.0-pclc(i,k)) |
| 192 |
cccccc pclemi(i,k) = 0.0 |
END DO |
| 193 |
cccccc ENDDO |
END DO |
| 194 |
cccccc ENDDO |
! |
| 195 |
C |
DO i = 1, klon |
| 196 |
C COMPUTE CLOUD LIQUID PATH AND TOTAL CLOUDINESS |
pct(i)=1.-pct(i) |
| 197 |
C |
pch(i)=1.-pch(i) |
| 198 |
DO i = 1, klon |
pcm(i)=1.-pcm(i) |
| 199 |
pct(i)=1.0 |
pcl(i)=1.-pcl(i) |
| 200 |
pch(i)=1.0 |
END DO |
| 201 |
pcm(i) = 1.0 |
! |
| 202 |
pcl(i) = 1.0 |
END SUBROUTINE nuage |
|
pctlwp(i) = 0.0 |
|
|
ENDDO |
|
|
C |
|
|
DO k = klev, 1, -1 |
|
|
DO i = 1, klon |
|
|
pctlwp(i) = pctlwp(i) |
|
|
. + pqlwp(i,k)*(paprs(i,k)-paprs(i,k+1))/RG |
|
|
pct(i) = pct(i)*(1.0-pclc(i,k)) |
|
|
if (pplay(i,k).LE.cetahb*paprs(i,1)) |
|
|
. pch(i) = pch(i)*(1.0-pclc(i,k)) |
|
|
if (pplay(i,k).GT.cetahb*paprs(i,1) .AND. |
|
|
. pplay(i,k).LE.cetamb*paprs(i,1)) |
|
|
. pcm(i) = pcm(i)*(1.0-pclc(i,k)) |
|
|
if (pplay(i,k).GT.cetamb*paprs(i,1)) |
|
|
. pcl(i) = pcl(i)*(1.0-pclc(i,k)) |
|
|
ENDDO |
|
|
ENDDO |
|
|
C |
|
|
DO i = 1, klon |
|
|
pct(i)=1.-pct(i) |
|
|
pch(i)=1.-pch(i) |
|
|
pcm(i)=1.-pcm(i) |
|
|
pcl(i)=1.-pcl(i) |
|
|
ENDDO |
|
|
C |
|
|
RETURN |
|
|
END |
|
|
SUBROUTINE diagcld1(paprs,pplay,rain,snow,kbot,ktop, |
|
|
. diafra,dialiq) |
|
|
use dimens_m |
|
|
use dimphy |
|
|
use YOMCST |
|
|
IMPLICIT none |
|
|
c |
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c Laurent Li (LMD/CNRS), le 12 octobre 1998 |
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c (adaptation du code ECMWF) |
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c |
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c Dans certains cas, le schema pronostique des nuages n'est |
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c pas suffisament performant. On a donc besoin de diagnostiquer |
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c ces nuages. Je dois avouer que c'est une frustration. |
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c |
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c |
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c Arguments d'entree: |
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REAL, intent(in):: paprs(klon,klev+1) ! pression (Pa) a inter-couche |
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REAL pplay(klon,klev) ! pression (Pa) au milieu de couche |
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REAL t(klon,klev) ! temperature (K) |
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REAL q(klon,klev) ! humidite specifique (Kg/Kg) |
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REAL rain(klon) ! pluie convective (kg/m2/s) |
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REAL snow(klon) ! neige convective (kg/m2/s) |
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INTEGER ktop(klon) ! sommet de la convection |
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INTEGER kbot(klon) ! bas de la convection |
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c |
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c Arguments de sortie: |
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REAL diafra(klon,klev) ! fraction nuageuse diagnostiquee |
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REAL dialiq(klon,klev) ! eau liquide nuageuse |
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c |
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c Constantes ajustables: |
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REAL CANVA, CANVB, CANVH |
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PARAMETER (CANVA=2.0, CANVB=0.3, CANVH=0.4) |
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REAL CCA, CCB, CCC |
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PARAMETER (CCA=0.125, CCB=1.5, CCC=0.8) |
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REAL CCFCT, CCSCAL |
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PARAMETER (CCFCT=0.400) |
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PARAMETER (CCSCAL=1.0E+11) |
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REAL CETAHB, CETAMB |
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PARAMETER (CETAHB=0.45, CETAMB=0.80) |
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REAL CCLWMR |
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PARAMETER (CCLWMR=1.E-04) |
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REAL ZEPSCR |
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PARAMETER (ZEPSCR=1.0E-10) |
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c |
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c Variables locales: |
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INTEGER i, k |
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REAL zcc(klon) |
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c |
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c Initialisation: |
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c |
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DO k = 1, klev |
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DO i = 1, klon |
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diafra(i,k) = 0.0 |
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dialiq(i,k) = 0.0 |
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ENDDO |
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ENDDO |
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c |
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DO i = 1, klon ! Calculer la fraction nuageuse |
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zcc(i) = 0.0 |
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IF((rain(i)+snow(i)).GT.0.) THEN |
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zcc(i)= CCA * LOG(MAX(ZEPSCR,(rain(i)+snow(i))*CCSCAL))-CCB |
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zcc(i)= MIN(CCC,MAX(0.0,zcc(i))) |
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ENDIF |
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ENDDO |
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c |
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DO i = 1, klon ! pour traiter les enclumes |
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diafra(i,ktop(i)) = MAX(diafra(i,ktop(i)),zcc(i)*CCFCT) |
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IF ((zcc(i).GE.CANVH) .AND. |
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. (pplay(i,ktop(i)).LE.CETAHB*paprs(i,1))) |
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. diafra(i,ktop(i)) = MAX(diafra(i,ktop(i)), |
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. MAX(zcc(i)*CCFCT,CANVA*(zcc(i)-CANVB))) |
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dialiq(i,ktop(i))=CCLWMR*diafra(i,ktop(i)) |
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ENDDO |
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c |
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DO k = 1, klev ! nuages convectifs (sauf enclumes) |
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DO i = 1, klon |
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IF (k.LT.ktop(i) .AND. k.GE.kbot(i)) THEN |
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diafra(i,k)=MAX(diafra(i,k),zcc(i)*CCFCT) |
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dialiq(i,k)=CCLWMR*diafra(i,k) |
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ENDIF |
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ENDDO |
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ENDDO |
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c |
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RETURN |
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END |
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SUBROUTINE diagcld2(paprs,pplay,t,q, diafra,dialiq) |
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use dimens_m |
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use dimphy |
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use YOMCST |
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use yoethf |
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c Fonctions thermodynamiques: |
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use fcttre |
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IMPLICIT none |
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c |
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c |
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c Arguments d'entree: |
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REAL, intent(in):: paprs(klon,klev+1) ! pression (Pa) a inter-couche |
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REAL pplay(klon,klev) ! pression (Pa) au milieu de couche |
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REAL t(klon,klev) ! temperature (K) |
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REAL q(klon,klev) ! humidite specifique (Kg/Kg) |
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c |
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c Arguments de sortie: |
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REAL diafra(klon,klev) ! fraction nuageuse diagnostiquee |
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REAL dialiq(klon,klev) ! eau liquide nuageuse |
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c |
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REAL CETAMB |
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PARAMETER (CETAMB=0.80) |
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REAL CLOIA, CLOIB, CLOIC, CLOID |
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PARAMETER (CLOIA=1.0E+02, CLOIB=-10.00, CLOIC=-0.6, CLOID=5.0) |
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ccc PARAMETER (CLOIA=1.0E+02, CLOIB=-10.00, CLOIC=-0.9, CLOID=5.0) |
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REAL RGAMMAS |
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PARAMETER (RGAMMAS=0.05) |
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REAL CRHL |
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PARAMETER (CRHL=0.15) |
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ccc PARAMETER (CRHL=0.70) |
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REAL t_coup |
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PARAMETER (t_coup=234.0) |
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c |
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c Variables locales: |
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INTEGER i, k, kb, invb(klon) |
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REAL zqs, zrhb, zcll, zdthmin(klon), zdthdp |
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REAL zdelta, zcor |
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c |
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c |
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c Initialisation: |
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c |
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DO k = 1, klev |
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DO i = 1, klon |
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diafra(i,k) = 0.0 |
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dialiq(i,k) = 0.0 |
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ENDDO |
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ENDDO |
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c |
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DO i = 1, klon |
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invb(i) = klev |
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zdthmin(i)=0.0 |
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ENDDO |
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DO k = 2, klev/2-1 |
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DO i = 1, klon |
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zdthdp = (t(i,k)-t(i,k+1))/(pplay(i,k)-pplay(i,k+1)) |
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. - RD * 0.5*(t(i,k)+t(i,k+1))/RCPD/paprs(i,k+1) |
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zdthdp = zdthdp * CLOIA |
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IF (pplay(i,k).GT.CETAMB*paprs(i,1) .AND. |
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. zdthdp.LT.zdthmin(i) ) THEN |
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zdthmin(i) = zdthdp |
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invb(i) = k |
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ENDIF |
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ENDDO |
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ENDDO |
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DO i = 1, klon |
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kb=invb(i) |
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IF (thermcep) THEN |
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zdelta=MAX(0.,SIGN(1.,RTT-t(i,kb))) |
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zqs= R2ES*FOEEW(t(i,kb),zdelta)/pplay(i,kb) |
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zqs=MIN(0.5,zqs) |
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zcor=1./(1.-RETV*zqs) |
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zqs=zqs*zcor |
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ELSE |
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IF (t(i,kb) .LT. t_coup) THEN |
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zqs = qsats(t(i,kb)) / pplay(i,kb) |
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ELSE |
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zqs = qsatl(t(i,kb)) / pplay(i,kb) |
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ENDIF |
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ENDIF |
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zcll = CLOIB * zdthmin(i) + CLOIC |
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zcll = MIN(1.0,MAX(0.0,zcll)) |
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zrhb= q(i,kb)/zqs |
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IF (zcll.GT.0.0.AND.zrhb.LT.CRHL) |
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. zcll=zcll*(1.-(CRHL-zrhb)*CLOID) |
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zcll=MIN(1.0,MAX(0.0,zcll)) |
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diafra(i,kb) = MAX(diafra(i,kb),zcll) |
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dialiq(i,kb)= diafra(i,kb) * RGAMMAS*zqs |
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ENDDO |
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c |
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RETURN |
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END |
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