| 1 |
! |
module fisrtilp_m |
| 2 |
! $Header: /home/cvsroot/LMDZ4/libf/phylmd/fisrtilp.F,v 1.2 2004/11/09 16:55:40 lmdzadmin Exp $ |
|
| 3 |
! |
IMPLICIT NONE |
| 4 |
c |
|
| 5 |
SUBROUTINE fisrtilp(dtime,paprs,pplay,t,q,ptconv,ratqs, |
contains |
| 6 |
s d_t, d_q, d_ql, rneb, radliq, rain, snow, |
|
| 7 |
s pfrac_impa, pfrac_nucl, pfrac_1nucl, |
SUBROUTINE fisrtilp(dtime, paprs, pplay, t, q, ptconv, ratqs, d_t, d_q, & |
| 8 |
s frac_impa, frac_nucl, |
d_ql, rneb, radliq, rain, snow, pfrac_impa, pfrac_nucl, pfrac_1nucl, & |
| 9 |
s prfl, psfl, rhcl) |
frac_impa, frac_nucl, prfl, psfl, rhcl) |
| 10 |
|
|
| 11 |
c |
! From phylmd/fisrtilp.F, version 1.2 2004/11/09 16:55:40 |
| 12 |
use dimens_m |
! First author: Z. X. Li (LMD/CNRS), 20 mars 1995 |
| 13 |
use dimphy |
! Other authors: Olivier, AA, IM, YM, MAF |
| 14 |
use tracstoke |
|
| 15 |
use YOMCST |
! Objet : condensation et précipitation stratiforme, schéma de |
| 16 |
use yoethf |
! nuage, schéma de condensation à grande échelle (pluie). |
| 17 |
use fcttre |
|
| 18 |
use comfisrtilp |
USE comfisrtilp, ONLY: cld_lc_con, cld_lc_lsc, cld_tau_con, & |
| 19 |
IMPLICIT none |
cld_tau_lsc, coef_eva, ffallv_con, ffallv_lsc, iflag_pdf, reevap_ice |
| 20 |
c====================================================================== |
USE dimphy, ONLY: klev, klon |
| 21 |
c Auteur(s): Z.X. Li (LMD/CNRS) |
USE fcttre, ONLY: dqsatl, dqsats, foede, foeew, qsatl, qsats, thermcep |
| 22 |
c Date: le 20 mars 1995 |
USE numer_rec_95, ONLY: nr_erf |
| 23 |
c Objet: condensation et precipitation stratiforme. |
USE suphec_m, ONLY: rcpd, rd, retv, rg, rlstt, rlvtt, rtt |
| 24 |
c schema de nuage |
USE yoethf_m, ONLY: r2es, r5ies, r5les, rvtmp2 |
| 25 |
c====================================================================== |
|
| 26 |
c====================================================================== |
! Arguments: |
| 27 |
c |
|
| 28 |
c Arguments: |
REAL, INTENT (IN):: dtime ! intervalle du temps (s) |
| 29 |
c |
REAL, INTENT (IN):: paprs(klon, klev+1) ! pression a inter-couche |
| 30 |
REAL, intent(in):: dtime ! intervalle du temps (s) |
REAL, INTENT (IN):: pplay(klon, klev) ! pression au milieu de couche |
| 31 |
REAL, intent(in):: paprs(klon,klev+1) ! pression a inter-couche |
REAL, INTENT (IN):: t(klon, klev) ! temperature (K) |
| 32 |
REAL, intent(in):: pplay(klon,klev) ! pression au milieu de couche |
REAL, INTENT (IN):: q(klon, klev) ! humidite specifique (kg/kg) |
| 33 |
REAL t(klon,klev) ! temperature (K) |
LOGICAL, INTENT (IN):: ptconv(klon, klev) |
| 34 |
REAL q(klon,klev) ! humidite specifique (kg/kg) |
|
| 35 |
REAL d_t(klon,klev) ! incrementation de la temperature (K) |
REAL, INTENT (IN):: ratqs(klon, klev) |
| 36 |
REAL d_q(klon,klev) ! incrementation de la vapeur d'eau |
! determine la largeur de distribution de vapeur |
| 37 |
REAL d_ql(klon,klev) ! incrementation de l'eau liquide |
|
| 38 |
REAL rneb(klon,klev) ! fraction nuageuse |
REAL, INTENT (out):: d_t(klon, klev) ! incrementation de la temperature (K) |
| 39 |
REAL radliq(klon,klev) ! eau liquide utilisee dans rayonnements |
REAL, INTENT (out):: d_q(klon, klev) ! incrementation de la vapeur d'eau |
| 40 |
REAL rhcl(klon,klev) ! humidite relative en ciel clair |
REAL, INTENT (out):: d_ql(klon, klev) ! incrementation de l'eau liquide |
| 41 |
REAL rain(klon) ! pluies (mm/s) |
REAL, INTENT (out):: rneb(klon, klev) ! fraction nuageuse |
| 42 |
REAL snow(klon) ! neige (mm/s) |
|
| 43 |
REAL prfl(klon,klev+1) ! flux d'eau precipitante aux interfaces (kg/m2/s) |
REAL, INTENT (out):: radliq(klon, klev) |
| 44 |
REAL psfl(klon,klev+1) ! flux d'eau precipitante aux interfaces (kg/m2/s) |
! eau liquide utilisee dans rayonnement |
| 45 |
cAA |
|
| 46 |
c Coeffients de fraction lessivee : pour OFF-LINE |
REAL, INTENT (out):: rain(klon) ! pluies (mm/s) |
| 47 |
c |
REAL, INTENT (out):: snow(klon) ! neige (mm/s) |
| 48 |
REAL pfrac_nucl(klon,klev) |
|
| 49 |
REAL pfrac_1nucl(klon,klev) |
! Coeffients de fraction lessivee : |
| 50 |
REAL pfrac_impa(klon,klev) |
REAL, INTENT (inout):: pfrac_impa(klon, klev) |
| 51 |
c |
REAL, INTENT (inout):: pfrac_nucl(klon, klev) |
| 52 |
c Fraction d'aerosols lessivee par impaction et par nucleation |
REAL, INTENT (inout):: pfrac_1nucl(klon, klev) |
| 53 |
c POur ON-LINE |
|
| 54 |
c |
! Fraction d'aerosols lessivee par impaction |
| 55 |
REAL frac_impa(klon,klev) |
REAL, INTENT (out):: frac_impa(klon, klev) |
| 56 |
REAL frac_nucl(klon,klev) |
|
| 57 |
real zct(klon),zcl(klon) |
! Fraction d'aerosols lessivee par nucleation |
| 58 |
cAA |
REAL, INTENT (out):: frac_nucl(klon, klev) |
| 59 |
c |
|
| 60 |
c Options du programme: |
REAL, INTENT (out):: prfl(klon, klev+1) |
| 61 |
c |
! flux d'eau precipitante aux interfaces (kg/m2/s) |
| 62 |
REAL seuil_neb ! un nuage existe vraiment au-dela |
|
| 63 |
PARAMETER (seuil_neb=0.001) |
REAL, INTENT (out):: psfl(klon, klev+1) |
| 64 |
|
! flux d'eau precipitante aux interfaces (kg/m2/s) |
| 65 |
INTEGER ninter ! sous-intervals pour la precipitation |
|
| 66 |
PARAMETER (ninter=5) |
REAL, INTENT (out):: rhcl(klon, klev) ! humidite relative en ciel clair |
| 67 |
LOGICAL evap_prec ! evaporation de la pluie |
|
| 68 |
PARAMETER (evap_prec=.TRUE.) |
! Local: |
| 69 |
REAL ratqs(klon,klev) ! determine la largeur de distribution de vapeur |
|
| 70 |
logical ptconv(klon,klev) ! determine la largeur de distribution de vapeur |
REAL zct(klon), zcl(klon) |
| 71 |
|
|
| 72 |
real zpdf_sig(klon),zpdf_k(klon),zpdf_delta(klon) |
! Options du programme: |
| 73 |
real Zpdf_a(klon),zpdf_b(klon),zpdf_e1(klon),zpdf_e2(klon) |
|
| 74 |
real erf |
REAL seuil_neb ! un nuage existe vraiment au-dela |
| 75 |
c |
PARAMETER (seuil_neb=0.001) |
| 76 |
LOGICAL cpartiel ! condensation partielle |
|
| 77 |
PARAMETER (cpartiel=.TRUE.) |
INTEGER ninter ! sous-intervals pour la precipitation |
| 78 |
REAL t_coup |
PARAMETER (ninter=5) |
| 79 |
PARAMETER (t_coup=234.0) |
LOGICAL evap_prec ! evaporation de la pluie |
| 80 |
c |
PARAMETER (evap_prec=.TRUE.) |
| 81 |
c Variables locales: |
REAL zpdf_sig(klon), zpdf_k(klon), zpdf_delta(klon) |
| 82 |
c |
REAL zpdf_a(klon), zpdf_b(klon), zpdf_e1(klon), zpdf_e2(klon) |
| 83 |
INTEGER i, k, n, kk |
|
| 84 |
REAL zqs(klon), zdqs(klon), zdelta, zcor, zcvm5 |
LOGICAL cpartiel ! condensation partielle |
| 85 |
REAL zrfl(klon), zrfln(klon), zqev, zqevt |
PARAMETER (cpartiel=.TRUE.) |
| 86 |
REAL zoliq(klon), zcond(klon), zq(klon), zqn(klon), zdelq |
REAL t_coup |
| 87 |
REAL ztglace, zt(klon) |
PARAMETER (t_coup=234.0) |
| 88 |
INTEGER nexpo ! exponentiel pour glace/eau |
|
| 89 |
REAL zdz(klon),zrho(klon),ztot(klon), zrhol(klon) |
INTEGER i, k, n, kk |
| 90 |
REAL zchau(klon),zfroi(klon),zfice(klon),zneb(klon) |
REAL zqs(klon), zdqs(klon), zdelta, zcor, zcvm5 |
| 91 |
c |
REAL zrfl(klon), zrfln(klon), zqev, zqevt |
| 92 |
LOGICAL appel1er |
REAL zoliq(klon), zcond(klon), zq(klon), zqn(klon), zdelq |
| 93 |
SAVE appel1er |
REAL ztglace, zt(klon) |
| 94 |
c |
INTEGER nexpo ! exponentiel pour glace/eau |
| 95 |
c--------------------------------------------------------------- |
REAL zdz(klon), zrho(klon), ztot(klon), zrhol(klon) |
| 96 |
c |
REAL zchau(klon), zfroi(klon), zfice(klon), zneb(klon) |
| 97 |
cAA Variables traceurs: |
|
| 98 |
cAA Provisoire !!! Parametres alpha du lessivage |
LOGICAL:: appel1er = .TRUE. |
| 99 |
cAA A priori on a 4 scavenging numbers possibles |
|
| 100 |
c |
! Variables traceurs: |
| 101 |
REAL a_tr_sca(4) |
! Provisoire !!! Parametres alpha du lessivage |
| 102 |
save a_tr_sca |
! A priori on a 4 scavenging numbers possibles |
| 103 |
c |
|
| 104 |
c Variables intermediaires |
REAL, save:: a_tr_sca(4) |
| 105 |
c |
|
| 106 |
REAL zalpha_tr |
! Variables intermediaires |
| 107 |
REAL zfrac_lessi |
|
| 108 |
REAL zprec_cond(klon) |
REAL zalpha_tr |
| 109 |
cAA |
REAL zfrac_lessi |
| 110 |
REAL zmair, zcpair, zcpeau |
REAL zprec_cond(klon) |
| 111 |
C Pour la conversion eau-neige |
REAL zmair, zcpair, zcpeau |
| 112 |
REAL zlh_solid(klon), zm_solid |
! Pour la conversion eau-neige |
| 113 |
cIM |
REAL zlh_solid(klon), zm_solid |
| 114 |
INTEGER klevm1 |
|
| 115 |
c--------------------------------------------------------------- |
! Fonctions en ligne: |
| 116 |
c |
|
| 117 |
c Fonctions en ligne: |
REAL fallvs, fallvc ! vitesse de chute pour crystaux de glace |
| 118 |
c |
REAL zzz |
| 119 |
REAL fallvs,fallvc ! vitesse de chute pour crystaux de glace |
|
| 120 |
REAL zzz |
fallvc(zzz) = 3.29/2.0*((zzz)**0.16)*ffallv_con |
| 121 |
fallvc (zzz) = 3.29/2.0 * ((zzz)**0.16) * ffallv_con |
fallvs(zzz) = 3.29/2.0*((zzz)**0.16)*ffallv_lsc |
| 122 |
fallvs (zzz) = 3.29/2.0 * ((zzz)**0.16) * ffallv_lsc |
|
| 123 |
c |
!--------------------------------------------------------------- |
| 124 |
DATA appel1er /.TRUE./ |
|
| 125 |
cym |
zdelq = 0.0 |
| 126 |
zdelq=0.0 |
|
| 127 |
|
IF (appel1er) THEN |
| 128 |
IF (appel1er) THEN |
PRINT *, 'fisrtilp, ninter:', ninter |
| 129 |
c |
PRINT *, 'fisrtilp, evap_prec:', evap_prec |
| 130 |
PRINT*, 'fisrtilp, ninter:', ninter |
PRINT *, 'fisrtilp, cpartiel:', cpartiel |
| 131 |
PRINT*, 'fisrtilp, evap_prec:', evap_prec |
IF (abs(dtime / real(ninter) - 360.) > 0.001) THEN |
| 132 |
PRINT*, 'fisrtilp, cpartiel:', cpartiel |
PRINT *, "fisrtilp : ce n'est pas prévu, voir Z. X. Li", dtime |
| 133 |
IF (ABS(dtime/FLOAT(ninter)-360.0).GT.0.001) THEN |
PRINT *, 'Je préfère un sous-intervalle de 6 minutes.' |
| 134 |
PRINT*, 'fisrtilp: Ce n est pas prevu, voir Z.X.Li', dtime |
END IF |
| 135 |
PRINT*, 'Je prefere un sous-intervalle de 6 minutes' |
appel1er = .FALSE. |
| 136 |
c stop 1 |
|
| 137 |
ENDIF |
! initialiation provisoire |
|
appel1er = .FALSE. |
|
|
c |
|
|
cAA initialiation provisoire |
|
| 138 |
a_tr_sca(1) = -0.5 |
a_tr_sca(1) = -0.5 |
| 139 |
a_tr_sca(2) = -0.5 |
a_tr_sca(2) = -0.5 |
| 140 |
a_tr_sca(3) = -0.5 |
a_tr_sca(3) = -0.5 |
| 141 |
a_tr_sca(4) = -0.5 |
a_tr_sca(4) = -0.5 |
| 142 |
c |
|
| 143 |
cAA Initialisation a 1 des coefs des fractions lessivees |
! Initialisation a 1 des coefs des fractions lessivees |
| 144 |
c |
DO k = 1, klev |
| 145 |
DO k = 1, klev |
DO i = 1, klon |
| 146 |
|
pfrac_nucl(i, k) = 1. |
| 147 |
|
pfrac_1nucl(i, k) = 1. |
| 148 |
|
pfrac_impa(i, k) = 1. |
| 149 |
|
END DO |
| 150 |
|
END DO |
| 151 |
|
END IF |
| 152 |
|
|
| 153 |
|
! Initialisation a 0 de zoliq |
| 154 |
|
DO i = 1, klon |
| 155 |
|
zoliq(i) = 0. |
| 156 |
|
END DO |
| 157 |
|
! Determiner les nuages froids par leur temperature |
| 158 |
|
! nexpo regle la raideur de la transition eau liquide / eau glace. |
| 159 |
|
|
| 160 |
|
ztglace = rtt - 15.0 |
| 161 |
|
nexpo = 6 |
| 162 |
|
|
| 163 |
|
! Initialiser les sorties: |
| 164 |
|
|
| 165 |
|
DO k = 1, klev + 1 |
| 166 |
|
DO i = 1, klon |
| 167 |
|
prfl(i, k) = 0.0 |
| 168 |
|
psfl(i, k) = 0.0 |
| 169 |
|
END DO |
| 170 |
|
END DO |
| 171 |
|
|
| 172 |
|
DO k = 1, klev |
| 173 |
DO i = 1, klon |
DO i = 1, klon |
| 174 |
pfrac_nucl(i,k)=1. |
d_t(i, k) = 0.0 |
| 175 |
pfrac_1nucl(i,k)=1. |
d_q(i, k) = 0.0 |
| 176 |
pfrac_impa(i,k)=1. |
d_ql(i, k) = 0.0 |
| 177 |
ENDDO |
rneb(i, k) = 0.0 |
| 178 |
ENDDO |
radliq(i, k) = 0.0 |
| 179 |
|
frac_nucl(i, k) = 1. |
| 180 |
ENDIF ! test sur appel1er |
frac_impa(i, k) = 1. |
| 181 |
c |
END DO |
| 182 |
cMAf Initialisation a 0 de zoliq |
END DO |
| 183 |
|
DO i = 1, klon |
| 184 |
|
rain(i) = 0.0 |
| 185 |
|
snow(i) = 0.0 |
| 186 |
|
END DO |
| 187 |
|
|
| 188 |
|
! Initialiser le flux de precipitation a zero |
| 189 |
|
|
| 190 |
|
DO i = 1, klon |
| 191 |
|
zrfl(i) = 0.0 |
| 192 |
|
zneb(i) = seuil_neb |
| 193 |
|
END DO |
| 194 |
|
|
| 195 |
|
! Pour plus de securite |
| 196 |
|
|
| 197 |
|
zalpha_tr = 0. |
| 198 |
|
zfrac_lessi = 0. |
| 199 |
|
|
| 200 |
|
loop_vertical: DO k = klev, 1, -1 |
| 201 |
DO i = 1, klon |
DO i = 1, klon |
| 202 |
zoliq(i)=0. |
zt(i) = t(i, k) |
| 203 |
ENDDO |
zq(i) = q(i, k) |
| 204 |
c Determiner les nuages froids par leur temperature |
END DO |
| 205 |
c nexpo regle la raideur de la transition eau liquide / eau glace. |
|
| 206 |
c |
! Calculer la varition de temp. de l'air du a la chaleur sensible |
| 207 |
ztglace = RTT - 15.0 |
! transporter par la pluie. |
| 208 |
nexpo = 6 |
! Il resterait a rajouter cet effet de la chaleur sensible sur les |
| 209 |
ccc nexpo = 1 |
! flux de surface, du a la diff. de temp. entre le 1er niveau et la |
| 210 |
c |
! surface. |
| 211 |
c Initialiser les sorties: |
|
| 212 |
c |
DO i = 1, klon |
| 213 |
DO k = 1, klev+1 |
IF (k <= klev - 1) THEN |
| 214 |
DO i = 1, klon |
zmair = (paprs(i, k)-paprs(i, k+1))/rg |
| 215 |
prfl(i,k) = 0.0 |
zcpair = rcpd*(1.0+rvtmp2*zq(i)) |
| 216 |
psfl(i,k) = 0.0 |
zcpeau = rcpd*rvtmp2 |
| 217 |
ENDDO |
zt(i) = ((t(i, k + 1) + d_t(i, k + 1)) * zrfl(i) * dtime & |
| 218 |
ENDDO |
* zcpeau + zmair * zcpair* zt(i)) & |
| 219 |
|
/ (zmair * zcpair + zrfl(i) * dtime * zcpeau) |
| 220 |
DO k = 1, klev |
END IF |
| 221 |
DO i = 1, klon |
END DO |
| 222 |
d_t(i,k) = 0.0 |
|
| 223 |
d_q(i,k) = 0.0 |
IF (evap_prec) THEN |
| 224 |
d_ql(i,k) = 0.0 |
! Calculer l'evaporation de la precipitation |
| 225 |
rneb(i,k) = 0.0 |
DO i = 1, klon |
| 226 |
radliq(i,k) = 0.0 |
IF (zrfl(i)>0.) THEN |
| 227 |
frac_nucl(i,k) = 1. |
IF (thermcep) THEN |
| 228 |
frac_impa(i,k) = 1. |
zdelta = max(0., sign(1., rtt-zt(i))) |
| 229 |
ENDDO |
zqs(i) = r2es*foeew(zt(i), zdelta)/pplay(i, k) |
| 230 |
ENDDO |
zqs(i) = min(0.5, zqs(i)) |
| 231 |
DO i = 1, klon |
zcor = 1./(1.-retv*zqs(i)) |
| 232 |
rain(i) = 0.0 |
zqs(i) = zqs(i)*zcor |
| 233 |
snow(i) = 0.0 |
ELSE |
| 234 |
ENDDO |
IF (zt(i)<t_coup) THEN |
| 235 |
c |
zqs(i) = qsats(zt(i))/pplay(i, k) |
| 236 |
c Initialiser le flux de precipitation a zero |
ELSE |
| 237 |
c |
zqs(i) = qsatl(zt(i))/pplay(i, k) |
| 238 |
DO i = 1, klon |
END IF |
| 239 |
zrfl(i) = 0.0 |
END IF |
| 240 |
zneb(i) = seuil_neb |
zqev = max(0.0, (zqs(i)-zq(i))*zneb(i)) |
| 241 |
ENDDO |
zqevt = coef_eva*(1.0-zq(i)/zqs(i))*sqrt(zrfl(i))* & |
| 242 |
c |
(paprs(i, k)-paprs(i, k+1))/pplay(i, k)*zt(i)*rd/rg |
| 243 |
c |
zqevt = max(0.0, min(zqevt, zrfl(i)))*rg*dtime/ & |
| 244 |
cAA Pour plus de securite |
(paprs(i, k)-paprs(i, k+1)) |
| 245 |
|
zqev = min(zqev, zqevt) |
| 246 |
zalpha_tr = 0. |
zrfln(i) = zrfl(i) - zqev*(paprs(i, k)-paprs(i, k+1))/rg/dtime |
| 247 |
zfrac_lessi = 0. |
|
| 248 |
|
! pour la glace, on réévapore toute la précip dans la |
| 249 |
cAA---------------------------------------------------------- |
! couche du dessous la glace venant de la couche du |
| 250 |
c |
! dessus est simplement dans la couche du dessous. |
| 251 |
c Boucle verticale (du haut vers le bas) |
|
| 252 |
c |
IF (zt(i)<t_coup .AND. reevap_ice) zrfln(i) = 0. |
| 253 |
cIM : klevm1 |
|
| 254 |
klevm1=klev-1 |
zq(i) = zq(i) - (zrfln(i)-zrfl(i))*(rg/(paprs(i, k)-paprs(i, & |
| 255 |
DO 9999 k = klev, 1, -1 |
k+1)))*dtime |
| 256 |
c |
zt(i) = zt(i) + (zrfln(i)-zrfl(i))*(rg/(paprs(i, k)-paprs(i, & |
| 257 |
cAA---------------------------------------------------------- |
k+1)))*dtime*rlvtt/rcpd/(1.0+rvtmp2*zq(i)) |
| 258 |
c |
zrfl(i) = zrfln(i) |
| 259 |
DO i = 1, klon |
END IF |
| 260 |
zt(i)=t(i,k) |
END DO |
| 261 |
zq(i)=q(i,k) |
END IF |
| 262 |
ENDDO |
|
| 263 |
c |
! Calculer Qs et L/Cp*dQs/dT: |
| 264 |
c Calculer la varition de temp. de l'air du a la chaleur sensible |
|
| 265 |
C transporter par la pluie. |
IF (thermcep) THEN |
| 266 |
C Il resterait a rajouter cet effet de la chaleur sensible sur les |
DO i = 1, klon |
| 267 |
C flux de surface, du a la diff. de temp. entre le 1er niveau et la |
zdelta = max(0., sign(1., rtt-zt(i))) |
| 268 |
C surface. |
zcvm5 = r5les*rlvtt*(1.-zdelta) + r5ies*rlstt*zdelta |
| 269 |
C |
zcvm5 = zcvm5/rcpd/(1.0+rvtmp2*zq(i)) |
| 270 |
DO i = 1, klon |
zqs(i) = r2es*foeew(zt(i), zdelta)/pplay(i, k) |
| 271 |
cIM |
zqs(i) = min(0.5, zqs(i)) |
| 272 |
IF(k.LE.klevm1) THEN |
zcor = 1./(1.-retv*zqs(i)) |
| 273 |
zmair=(paprs(i,k)-paprs(i,k+1))/RG |
zqs(i) = zqs(i)*zcor |
| 274 |
zcpair=RCPD*(1.0+RVTMP2*zq(i)) |
zdqs(i) = foede(zt(i), zdelta, zcvm5, zqs(i), zcor) |
| 275 |
zcpeau=RCPD*RVTMP2 |
END DO |
| 276 |
zt(i) = ( (t(i,k+1)+d_t(i,k+1))*zrfl(i)*dtime*zcpeau |
ELSE |
| 277 |
$ + zmair*zcpair*zt(i) ) |
DO i = 1, klon |
| 278 |
$ / (zmair*zcpair + zrfl(i)*dtime*zcpeau) |
IF (zt(i)<t_coup) THEN |
| 279 |
CC WRITE (6,*) 'cppluie ', zt(i)-(t(i,k+1)+d_t(i,k+1)) |
zqs(i) = qsats(zt(i))/pplay(i, k) |
| 280 |
ENDIF |
zdqs(i) = dqsats(zt(i), zqs(i)) |
| 281 |
ENDDO |
ELSE |
| 282 |
c |
zqs(i) = qsatl(zt(i))/pplay(i, k) |
| 283 |
c |
zdqs(i) = dqsatl(zt(i), zqs(i)) |
| 284 |
c Calculer l'evaporation de la precipitation |
END IF |
| 285 |
c |
END DO |
| 286 |
|
END IF |
| 287 |
|
|
| 288 |
IF (evap_prec) THEN |
! Determiner la condensation partielle et calculer la quantite |
| 289 |
DO i = 1, klon |
! de l'eau condensee: |
| 290 |
IF (zrfl(i) .GT.0.) THEN |
|
| 291 |
IF (thermcep) THEN |
IF (cpartiel) THEN |
| 292 |
zdelta=MAX(0.,SIGN(1.,RTT-zt(i))) |
! Calcul de l'eau condensee et de la fraction nuageuse et de l'eau |
| 293 |
zqs(i)= R2ES*FOEEW(zt(i),zdelta)/pplay(i,k) |
! nuageuse a partir des PDF de Sandrine Bony. |
| 294 |
zqs(i)=MIN(0.5,zqs(i)) |
! rneb : fraction nuageuse |
| 295 |
zcor=1./(1.-RETV*zqs(i)) |
! zqn : eau totale dans le nuage |
| 296 |
zqs(i)=zqs(i)*zcor |
! zcond : eau condensee moyenne dans la maille. |
| 297 |
ELSE |
|
| 298 |
IF (zt(i) .LT. t_coup) THEN |
! on prend en compte le réchauffement qui diminue |
| 299 |
zqs(i) = qsats(zt(i)) / pplay(i,k) |
! la partie condensée |
| 300 |
ELSE |
|
| 301 |
zqs(i) = qsatl(zt(i)) / pplay(i,k) |
! Version avec les ratqs |
| 302 |
ENDIF |
|
| 303 |
ENDIF |
IF (iflag_pdf==0) THEN |
| 304 |
zqev = MAX (0.0, (zqs(i)-zq(i))*zneb(i) ) |
DO i = 1, klon |
| 305 |
zqevt = coef_eva * (1.0-zq(i)/zqs(i)) * SQRT(zrfl(i)) |
zdelq = min(ratqs(i, k), 0.99)*zq(i) |
| 306 |
. * (paprs(i,k)-paprs(i,k+1))/pplay(i,k)*zt(i)*RD/RG |
rneb(i, k) = (zq(i)+zdelq-zqs(i))/(2.0*zdelq) |
| 307 |
zqevt = MAX(0.0,MIN(zqevt,zrfl(i))) |
zqn(i) = (zq(i)+zdelq+zqs(i))/2.0 |
| 308 |
. * RG*dtime/(paprs(i,k)-paprs(i,k+1)) |
END DO |
| 309 |
zqev = MIN (zqev, zqevt) |
ELSE |
| 310 |
zrfln(i) = zrfl(i) - zqev*(paprs(i,k)-paprs(i,k+1)) |
! Version avec les nouvelles PDFs. |
| 311 |
. /RG/dtime |
DO i = 1, klon |
| 312 |
|
IF (zq(i) < 1E-15) THEN |
| 313 |
c pour la glace, on réévapore toute la précip dans la couche du dessous |
zq(i) = 1E-15 |
| 314 |
c la glace venant de la couche du dessus est simplement dans la couche |
END IF |
| 315 |
c du dessous. |
END DO |
| 316 |
|
DO i = 1, klon |
| 317 |
IF (zt(i) .LT. t_coup.and.reevap_ice) zrfln(i)=0. |
zpdf_sig(i) = ratqs(i, k)*zq(i) |
| 318 |
|
zpdf_k(i) = -sqrt(log(1.+(zpdf_sig(i)/zq(i))**2)) |
| 319 |
zq(i) = zq(i) - (zrfln(i)-zrfl(i)) |
zpdf_delta(i) = log(zq(i)/zqs(i)) |
| 320 |
. * (RG/(paprs(i,k)-paprs(i,k+1)))*dtime |
zpdf_a(i) = zpdf_delta(i)/(zpdf_k(i)*sqrt(2.)) |
| 321 |
zt(i) = zt(i) + (zrfln(i)-zrfl(i)) |
zpdf_b(i) = zpdf_k(i)/(2.*sqrt(2.)) |
| 322 |
. * (RG/(paprs(i,k)-paprs(i,k+1)))*dtime |
zpdf_e1(i) = zpdf_a(i) - zpdf_b(i) |
| 323 |
. * RLVTT/RCPD/(1.0+RVTMP2*zq(i)) |
zpdf_e1(i) = sign(min(abs(zpdf_e1(i)), 5.), zpdf_e1(i)) |
| 324 |
zrfl(i) = zrfln(i) |
zpdf_e1(i) = 1. - nr_erf(zpdf_e1(i)) |
| 325 |
ENDIF |
zpdf_e2(i) = zpdf_a(i) + zpdf_b(i) |
| 326 |
ENDDO |
zpdf_e2(i) = sign(min(abs(zpdf_e2(i)), 5.), zpdf_e2(i)) |
| 327 |
ENDIF |
zpdf_e2(i) = 1. - nr_erf(zpdf_e2(i)) |
| 328 |
c |
IF (zpdf_e1(i)<1.E-10) THEN |
| 329 |
c Calculer Qs et L/Cp*dQs/dT: |
rneb(i, k) = 0. |
| 330 |
c |
zqn(i) = zqs(i) |
| 331 |
IF (thermcep) THEN |
ELSE |
| 332 |
DO i = 1, klon |
rneb(i, k) = 0.5*zpdf_e1(i) |
| 333 |
zdelta = MAX(0.,SIGN(1.,RTT-zt(i))) |
zqn(i) = zq(i)*zpdf_e2(i)/zpdf_e1(i) |
| 334 |
zcvm5 = R5LES*RLVTT*(1.-zdelta) + R5IES*RLSTT*zdelta |
END IF |
| 335 |
zcvm5 = zcvm5 /RCPD/(1.0+RVTMP2*zq(i)) |
END DO |
| 336 |
zqs(i) = R2ES*FOEEW(zt(i),zdelta)/pplay(i,k) |
END IF |
| 337 |
zqs(i) = MIN(0.5,zqs(i)) |
|
| 338 |
zcor = 1./(1.-RETV*zqs(i)) |
DO i = 1, klon |
| 339 |
zqs(i) = zqs(i)*zcor |
IF (rneb(i, k)<=0.0) zqn(i) = 0.0 |
| 340 |
zdqs(i) = FOEDE(zt(i),zdelta,zcvm5,zqs(i),zcor) |
IF (rneb(i, k)>=1.0) zqn(i) = zq(i) |
| 341 |
ENDDO |
rneb(i, k) = max(0., min(1., rneb(i, k))) |
| 342 |
ELSE |
! On ne divise pas par 1 + zdqs pour forcer à avoir l'eau |
| 343 |
DO i = 1, klon |
! prédite par la convection. Attention : il va falloir |
| 344 |
IF (zt(i).LT.t_coup) THEN |
! verifier tout ca. |
| 345 |
zqs(i) = qsats(zt(i))/pplay(i,k) |
zcond(i) = max(0., zqn(i)-zqs(i))*rneb(i, k) |
| 346 |
zdqs(i) = dqsats(zt(i),zqs(i)) |
rhcl(i, k) = (zqs(i)+zq(i)-zdelq)/2./zqs(i) |
| 347 |
ELSE |
IF (rneb(i, k) <= 0.) rhcl(i, k) = zq(i) / zqs(i) |
| 348 |
zqs(i) = qsatl(zt(i))/pplay(i,k) |
IF (rneb(i, k) >= 1.) rhcl(i, k) = 1. |
| 349 |
zdqs(i) = dqsatl(zt(i),zqs(i)) |
END DO |
| 350 |
ENDIF |
ELSE |
| 351 |
ENDDO |
DO i = 1, klon |
| 352 |
ENDIF |
IF (zq(i)>zqs(i)) THEN |
| 353 |
c |
rneb(i, k) = 1.0 |
| 354 |
c Determiner la condensation partielle et calculer la quantite |
ELSE |
| 355 |
c de l'eau condensee: |
rneb(i, k) = 0.0 |
| 356 |
c |
END IF |
| 357 |
IF (cpartiel) THEN |
zcond(i) = max(0.0, zq(i)-zqs(i))/(1.+zdqs(i)) |
| 358 |
|
END DO |
| 359 |
c print*,'Dans partiel k=',k |
END IF |
| 360 |
c |
|
| 361 |
c Calcul de l'eau condensee et de la fraction nuageuse et de l'eau |
DO i = 1, klon |
| 362 |
c nuageuse a partir des PDF de Sandrine Bony. |
zq(i) = zq(i) - zcond(i) |
| 363 |
c rneb : fraction nuageuse |
zt(i) = zt(i) + zcond(i)*rlvtt/rcpd/(1.0+rvtmp2*zq(i)) |
| 364 |
c zqn : eau totale dans le nuage |
END DO |
| 365 |
c zcond : eau condensee moyenne dans la maille. |
|
| 366 |
c on prend en compte le réchauffement qui diminue la partie condensee |
! Partager l'eau condensee en precipitation et eau liquide nuageuse |
| 367 |
c |
|
| 368 |
c Version avec les raqts |
DO i = 1, klon |
| 369 |
|
IF (rneb(i, k)>0.0) THEN |
| 370 |
if (iflag_pdf.eq.0) then |
zoliq(i) = zcond(i) |
| 371 |
|
zrho(i) = pplay(i, k)/zt(i)/rd |
| 372 |
do i=1,klon |
zdz(i) = (paprs(i, k)-paprs(i, k+1))/(zrho(i)*rg) |
| 373 |
zdelq = min(ratqs(i,k),0.99) * zq(i) |
zfice(i) = 1.0 - (zt(i)-ztglace)/(273.13-ztglace) |
| 374 |
rneb(i,k) = (zq(i)+zdelq-zqs(i)) / (2.0*zdelq) |
zfice(i) = min(max(zfice(i), 0.0), 1.0) |
| 375 |
zqn(i) = (zq(i)+zdelq+zqs(i))/2.0 |
zfice(i) = zfice(i)**nexpo |
| 376 |
enddo |
zneb(i) = max(rneb(i, k), seuil_neb) |
| 377 |
|
radliq(i, k) = zoliq(i)/real(ninter+1) |
| 378 |
else |
END IF |
| 379 |
c |
END DO |
| 380 |
c Version avec les nouvelles PDFs. |
|
| 381 |
do i=1,klon |
DO n = 1, ninter |
| 382 |
if(zq(i).lt.1.e-15) then |
DO i = 1, klon |
| 383 |
CC Lionel GUEZ print*,'ZQ(',i,',',k,')=',zq(i) |
IF (rneb(i, k)>0.0) THEN |
| 384 |
zq(i)=1.e-15 |
zrhol(i) = zrho(i)*zoliq(i)/zneb(i) |
| 385 |
endif |
|
| 386 |
enddo |
IF (ptconv(i, k)) THEN |
| 387 |
do i=1,klon |
zcl(i) = cld_lc_con |
| 388 |
zpdf_sig(i)=ratqs(i,k)*zq(i) |
zct(i) = 1./cld_tau_con |
| 389 |
zpdf_k(i)=-sqrt(log(1.+(zpdf_sig(i)/zq(i))**2)) |
ELSE |
| 390 |
zpdf_delta(i)=log(zq(i)/zqs(i)) |
zcl(i) = cld_lc_lsc |
| 391 |
zpdf_a(i)=zpdf_delta(i)/(zpdf_k(i)*sqrt(2.)) |
zct(i) = 1./cld_tau_lsc |
| 392 |
zpdf_b(i)=zpdf_k(i)/(2.*sqrt(2.)) |
END IF |
| 393 |
zpdf_e1(i)=zpdf_a(i)-zpdf_b(i) |
! quantité d'eau à élminier. |
| 394 |
zpdf_e1(i)=sign(min(abs(zpdf_e1(i)),5.),zpdf_e1(i)) |
zchau(i) = zct(i)*dtime/real(ninter)*zoliq(i)* & |
| 395 |
zpdf_e1(i)=1.-erf(zpdf_e1(i)) |
(1.0-exp(-(zoliq(i)/zneb(i)/zcl(i))**2))*(1.-zfice(i)) |
| 396 |
zpdf_e2(i)=zpdf_a(i)+zpdf_b(i) |
! meme chose pour la glace. |
| 397 |
zpdf_e2(i)=sign(min(abs(zpdf_e2(i)),5.),zpdf_e2(i)) |
IF (ptconv(i, k)) THEN |
| 398 |
zpdf_e2(i)=1.-erf(zpdf_e2(i)) |
zfroi(i) = dtime/real(ninter)/zdz(i)*zoliq(i)* & |
| 399 |
if (zpdf_e1(i).lt.1.e-10) then |
fallvc(zrhol(i))*zfice(i) |
| 400 |
rneb(i,k)=0. |
ELSE |
| 401 |
zqn(i)=zqs(i) |
zfroi(i) = dtime/real(ninter)/zdz(i)*zoliq(i)* & |
| 402 |
else |
fallvs(zrhol(i))*zfice(i) |
| 403 |
rneb(i,k)=0.5*zpdf_e1(i) |
END IF |
| 404 |
zqn(i)=zq(i)*zpdf_e2(i)/zpdf_e1(i) |
ztot(i) = zchau(i) + zfroi(i) |
| 405 |
endif |
IF (zneb(i)==seuil_neb) ztot(i) = 0.0 |
| 406 |
|
ztot(i) = min(max(ztot(i), 0.0), zoliq(i)) |
| 407 |
enddo |
zoliq(i) = max(zoliq(i)-ztot(i), 0.0) |
| 408 |
|
radliq(i, k) = radliq(i, k) + zoliq(i)/real(ninter+1) |
| 409 |
endif ! iflag_pdf |
END IF |
| 410 |
|
END DO |
| 411 |
do i=1,klon |
END DO |
| 412 |
IF (rneb(i,k) .LE. 0.0) zqn(i) = 0.0 |
|
| 413 |
IF (rneb(i,k) .GE. 1.0) zqn(i) = zq(i) |
DO i = 1, klon |
| 414 |
rneb(i,k) = MAX(0.0,MIN(1.0,rneb(i,k))) |
IF (rneb(i, k)>0.0) THEN |
| 415 |
c zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k)/(1.+zdqs(i)) |
d_ql(i, k) = zoliq(i) |
| 416 |
c On ne divise pas par 1+zdqs pour forcer a avoir l'eau predite par |
zrfl(i) = zrfl(i) + max(zcond(i) - zoliq(i), 0.) & |
| 417 |
c la convection. |
* (paprs(i, k) - paprs(i, k + 1)) / (rg * dtime) |
| 418 |
c ATTENTION !!! Il va falloir verifier tout ca. |
END IF |
| 419 |
zcond(i) = MAX(0.0,zqn(i)-zqs(i))*rneb(i,k) |
IF (zt(i)<rtt) THEN |
| 420 |
c print*,'ZDQS ',zdqs(i) |
psfl(i, k) = zrfl(i) |
| 421 |
c--Olivier |
ELSE |
| 422 |
rhcl(i,k)=(zqs(i)+zq(i)-zdelq)/2./zqs(i) |
prfl(i, k) = zrfl(i) |
| 423 |
IF (rneb(i,k) .LE. 0.0) rhcl(i,k)=zq(i)/zqs(i) |
END IF |
| 424 |
IF (rneb(i,k) .GE. 1.0) rhcl(i,k)=1.0 |
END DO |
| 425 |
c--fin |
|
| 426 |
ENDDO |
! Calculer les tendances de q et de t: |
| 427 |
ELSE |
DO i = 1, klon |
| 428 |
DO i = 1, klon |
d_q(i, k) = zq(i) - q(i, k) |
| 429 |
IF (zq(i).GT.zqs(i)) THEN |
d_t(i, k) = zt(i) - t(i, k) |
| 430 |
rneb(i,k) = 1.0 |
END DO |
| 431 |
ELSE |
|
| 432 |
rneb(i,k) = 0.0 |
! Calcul du lessivage stratiforme |
| 433 |
ENDIF |
DO i = 1, klon |
| 434 |
zcond(i) = MAX(0.0,zq(i)-zqs(i))/(1.+zdqs(i)) |
zprec_cond(i) = max(zcond(i)-zoliq(i), 0.0)* & |
| 435 |
ENDDO |
(paprs(i, k)-paprs(i, k+1))/rg |
| 436 |
ENDIF |
IF (rneb(i, k)>0.0 .AND. zprec_cond(i)>0.) THEN |
| 437 |
c |
! lessivage nucleation LMD5 dans la couche elle-meme |
| 438 |
DO i = 1, klon |
IF (t(i, k)>=ztglace) THEN |
| 439 |
zq(i) = zq(i) - zcond(i) |
zalpha_tr = a_tr_sca(3) |
| 440 |
c zt(i) = zt(i) + zcond(i) * RLVTT/RCPD |
ELSE |
| 441 |
zt(i) = zt(i) + zcond(i) * RLVTT/RCPD/(1.0+RVTMP2*zq(i)) |
zalpha_tr = a_tr_sca(4) |
| 442 |
ENDDO |
END IF |
| 443 |
c |
zfrac_lessi = 1. - exp(zalpha_tr*zprec_cond(i)/zneb(i)) |
| 444 |
c Partager l'eau condensee en precipitation et eau liquide nuageuse |
pfrac_nucl(i, k) = pfrac_nucl(i, k)*(1.-zneb(i)*zfrac_lessi) |
| 445 |
c |
frac_nucl(i, k) = 1. - zneb(i)*zfrac_lessi |
| 446 |
DO i = 1, klon |
|
| 447 |
IF (rneb(i,k).GT.0.0) THEN |
! nucleation avec un facteur -1 au lieu de -0.5 |
| 448 |
zoliq(i) = zcond(i) |
zfrac_lessi = 1. - exp(-zprec_cond(i)/zneb(i)) |
| 449 |
zrho(i) = pplay(i,k) / zt(i) / RD |
pfrac_1nucl(i, k) = pfrac_1nucl(i, k)*(1.-zneb(i)*zfrac_lessi) |
| 450 |
zdz(i) = (paprs(i,k)-paprs(i,k+1)) / (zrho(i)*RG) |
END IF |
| 451 |
zfice(i) = 1.0 - (zt(i)-ztglace) / (273.13-ztglace) |
END DO |
| 452 |
zfice(i) = MIN(MAX(zfice(i),0.0),1.0) |
|
| 453 |
zfice(i) = zfice(i)**nexpo |
! Lessivage par impaction dans les couches en-dessous |
| 454 |
zneb(i) = MAX(rneb(i,k), seuil_neb) |
! boucle sur i |
| 455 |
radliq(i,k) = zoliq(i)/FLOAT(ninter+1) |
DO kk = k - 1, 1, -1 |
| 456 |
ENDIF |
DO i = 1, klon |
| 457 |
ENDDO |
IF (rneb(i, k)>0. .AND. zprec_cond(i)>0.) THEN |
| 458 |
c |
IF (t(i, kk)>=ztglace) THEN |
| 459 |
DO n = 1, ninter |
zalpha_tr = a_tr_sca(1) |
| 460 |
DO i = 1, klon |
ELSE |
| 461 |
IF (rneb(i,k).GT.0.0) THEN |
zalpha_tr = a_tr_sca(2) |
| 462 |
zrhol(i) = zrho(i) * zoliq(i) / zneb(i) |
END IF |
| 463 |
|
zfrac_lessi = 1. - exp(zalpha_tr*zprec_cond(i)/zneb(i)) |
| 464 |
if (ptconv(i,k)) then |
pfrac_impa(i, kk) = pfrac_impa(i, kk)*(1.-zneb(i)*zfrac_lessi) |
| 465 |
zcl(i)=cld_lc_con |
frac_impa(i, kk) = 1. - zneb(i)*zfrac_lessi |
| 466 |
zct(i)=1./cld_tau_con |
END IF |
| 467 |
else |
END DO |
| 468 |
zcl(i)=cld_lc_lsc |
END DO |
| 469 |
zct(i)=1./cld_tau_lsc |
end DO loop_vertical |
| 470 |
endif |
|
| 471 |
c quantité d'eau à élminier. |
! Pluie ou neige au sol selon la temperature de la 1ere couche |
| 472 |
zchau(i) = zct(i)*dtime/FLOAT(ninter) * zoliq(i) |
|
| 473 |
. *(1.0-EXP(-(zoliq(i)/zneb(i)/zcl(i))**2)) *(1.-zfice(i)) |
DO i = 1, klon |
| 474 |
c meme chose pour la glace. |
IF ((t(i, 1)+d_t(i, 1))<rtt) THEN |
| 475 |
if (ptconv(i,k)) then |
snow(i) = zrfl(i) |
| 476 |
zfroi(i) = dtime/FLOAT(ninter)/zdz(i)*zoliq(i) |
zlh_solid(i) = rlstt - rlvtt |
| 477 |
. *fallvc(zrhol(i)) * zfice(i) |
ELSE |
| 478 |
else |
rain(i) = zrfl(i) |
| 479 |
zfroi(i) = dtime/FLOAT(ninter)/zdz(i)*zoliq(i) |
zlh_solid(i) = 0. |
| 480 |
. *fallvs(zrhol(i)) * zfice(i) |
END IF |
| 481 |
endif |
END DO |
| 482 |
ztot(i) = zchau(i) + zfroi(i) |
|
| 483 |
IF (zneb(i).EQ.seuil_neb) ztot(i) = 0.0 |
! For energy conservation: when snow is present, the solification |
| 484 |
ztot(i) = MIN(MAX(ztot(i),0.0),zoliq(i)) |
! latent heat is considered. |
| 485 |
zoliq(i) = MAX(zoliq(i)-ztot(i), 0.0) |
DO k = 1, klev |
| 486 |
radliq(i,k) = radliq(i,k) + zoliq(i)/FLOAT(ninter+1) |
DO i = 1, klon |
| 487 |
ENDIF |
zcpair = rcpd*(1.0+rvtmp2*(q(i, k)+d_q(i, k))) |
| 488 |
ENDDO |
zmair = (paprs(i, k)-paprs(i, k+1))/rg |
| 489 |
ENDDO |
zm_solid = (prfl(i, k)-prfl(i, k+1)+psfl(i, k)-psfl(i, k+1))*dtime |
| 490 |
c |
d_t(i, k) = d_t(i, k) + zlh_solid(i)*zm_solid/(zcpair*zmair) |
| 491 |
DO i = 1, klon |
END DO |
| 492 |
IF (rneb(i,k).GT.0.0) THEN |
END DO |
| 493 |
d_ql(i,k) = zoliq(i) |
|
| 494 |
zrfl(i) = zrfl(i)+ MAX(zcond(i)-zoliq(i),0.0) |
END SUBROUTINE fisrtilp |
| 495 |
. * (paprs(i,k)-paprs(i,k+1))/(RG*dtime) |
|
| 496 |
ENDIF |
end module fisrtilp_m |
|
IF (zt(i).LT.RTT) THEN |
|
|
psfl(i,k)=zrfl(i) |
|
|
ELSE |
|
|
prfl(i,k)=zrfl(i) |
|
|
ENDIF |
|
|
ENDDO |
|
|
c |
|
|
c Calculer les tendances de q et de t: |
|
|
c |
|
|
DO i = 1, klon |
|
|
d_q(i,k) = zq(i) - q(i,k) |
|
|
d_t(i,k) = zt(i) - t(i,k) |
|
|
ENDDO |
|
|
c |
|
|
cAA--------------- Calcul du lessivage stratiforme ------------- |
|
|
|
|
|
DO i = 1,klon |
|
|
c |
|
|
zprec_cond(i) = MAX(zcond(i)-zoliq(i),0.0) |
|
|
. * (paprs(i,k)-paprs(i,k+1))/RG |
|
|
IF (rneb(i,k).GT.0.0.and.zprec_cond(i).gt.0.) THEN |
|
|
cAA lessivage nucleation LMD5 dans la couche elle-meme |
|
|
if (t(i,k) .GE. ztglace) THEN |
|
|
zalpha_tr = a_tr_sca(3) |
|
|
else |
|
|
zalpha_tr = a_tr_sca(4) |
|
|
endif |
|
|
zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i)) |
|
|
pfrac_nucl(i,k)=pfrac_nucl(i,k)*(1.-zneb(i)*zfrac_lessi) |
|
|
frac_nucl(i,k)= 1.-zneb(i)*zfrac_lessi |
|
|
c |
|
|
c nucleation avec un facteur -1 au lieu de -0.5 |
|
|
zfrac_lessi = 1. - EXP(-zprec_cond(i)/zneb(i)) |
|
|
pfrac_1nucl(i,k)=pfrac_1nucl(i,k)*(1.-zneb(i)*zfrac_lessi) |
|
|
ENDIF |
|
|
c |
|
|
ENDDO ! boucle sur i |
|
|
c |
|
|
cAA Lessivage par impaction dans les couches en-dessous |
|
|
DO kk = k-1, 1, -1 |
|
|
DO i = 1, klon |
|
|
IF (rneb(i,k).GT.0.0.and.zprec_cond(i).gt.0.) THEN |
|
|
if (t(i,kk) .GE. ztglace) THEN |
|
|
zalpha_tr = a_tr_sca(1) |
|
|
else |
|
|
zalpha_tr = a_tr_sca(2) |
|
|
endif |
|
|
zfrac_lessi = 1. - EXP(zalpha_tr*zprec_cond(i)/zneb(i)) |
|
|
pfrac_impa(i,kk)=pfrac_impa(i,kk)*(1.-zneb(i)*zfrac_lessi) |
|
|
frac_impa(i,kk)= 1.-zneb(i)*zfrac_lessi |
|
|
ENDIF |
|
|
ENDDO |
|
|
ENDDO |
|
|
c |
|
|
cAA---------------------------------------------------------- |
|
|
c FIN DE BOUCLE SUR K |
|
|
9999 CONTINUE |
|
|
c |
|
|
cAA----------------------------------------------------------- |
|
|
c |
|
|
c Pluie ou neige au sol selon la temperature de la 1ere couche |
|
|
c |
|
|
DO i = 1, klon |
|
|
IF ((t(i,1)+d_t(i,1)) .LT. RTT) THEN |
|
|
snow(i) = zrfl(i) |
|
|
zlh_solid(i) = RLSTT-RLVTT |
|
|
ELSE |
|
|
rain(i) = zrfl(i) |
|
|
zlh_solid(i) = 0. |
|
|
ENDIF |
|
|
ENDDO |
|
|
C |
|
|
C For energy conservation : when snow is present, the solification |
|
|
c latent heat is considered. |
|
|
DO k = 1, klev |
|
|
DO i = 1, klon |
|
|
zcpair=RCPD*(1.0+RVTMP2*(q(i,k)+d_q(i,k))) |
|
|
zmair=(paprs(i,k)-paprs(i,k+1))/RG |
|
|
zm_solid = (prfl(i,k)-prfl(i,k+1)+psfl(i,k)-psfl(i,k+1))*dtime |
|
|
d_t(i,k) = d_t(i,k) + zlh_solid(i) *zm_solid / (zcpair*zmair) |
|
|
END DO |
|
|
END DO |
|
|
c |
|
|
RETURN |
|
|
END |
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