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! $Header: /home/cvsroot/LMDZ4/libf/phylmd/concvl.F,v 1.3 2005/04/15 12:36:17 lmdzadmin Exp $ |
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SUBROUTINE concvl (iflag_con,dtime,paprs,pplay,t,q,u,v,tra,ntra, |
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. work1,work2,d_t,d_q,d_u,d_v,d_tra, |
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. rain, snow, kbas, ktop, |
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. upwd,dnwd,dnwdbis,Ma,cape,tvp,iflag, |
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. pbase,bbase,dtvpdt1,dtvpdq1,dplcldt,dplcldr, |
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. qcondc,wd, |
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. pmflxr,pmflxs, |
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. da,phi,mp) |
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|
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c |
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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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use fcttre |
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IMPLICIT none |
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c====================================================================== |
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c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
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c Objet: schema de convection de Emanuel (1991) interface |
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c====================================================================== |
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c Arguments: |
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c dtime--input-R-pas d'integration (s) |
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c s-------input-R-la valeur "s" pour chaque couche |
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c sigs----input-R-la valeur "sigma" de chaque couche |
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c sig-----input-R-la valeur de "sigma" pour chaque niveau |
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c psolpa--input-R-la pression au sol (en Pa) |
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C pskapa--input-R-exponentiel kappa de psolpa |
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c h-------input-R-enthalpie potentielle (Cp*T/P**kappa) |
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c q-------input-R-vapeur d'eau (en kg/kg) |
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c |
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c work*: input et output: deux variables de travail, |
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c on peut les mettre a 0 au debut |
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c ALE-----input-R-energie disponible pour soulevement |
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c |
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C d_h-----output-R-increment de l'enthalpie potentielle (h) |
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c d_q-----output-R-increment de la vapeur d'eau |
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c rain----output-R-la pluie (mm/s) |
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c snow----output-R-la neige (mm/s) |
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c upwd----output-R-saturated updraft mass flux (kg/m**2/s) |
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c dnwd----output-R-saturated downdraft mass flux (kg/m**2/s) |
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c dnwd0---output-R-unsaturated downdraft mass flux (kg/m**2/s) |
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c Cape----output-R-CAPE (J/kg) |
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c Tvp-----output-R-Temperature virtuelle d'une parcelle soulevee |
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c adiabatiquement a partir du niveau 1 (K) |
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c deltapb-output-R-distance entre LCL et base de la colonne (<0 ; Pa) |
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c Ice_flag-input-L-TRUE->prise en compte de la thermodynamique de la glace |
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c====================================================================== |
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c |
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c |
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integer NTRAC |
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PARAMETER (NTRAC=nqmx-2) |
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c |
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INTEGER iflag_con |
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c |
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REAL dtime |
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real, intent(in):: paprs(klon,klev+1) |
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real, intent(in):: pplay(klon,klev) |
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REAL t(klon,klev),q(klon,klev),u(klon,klev),v(klon,klev) |
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REAL tra(klon,klev,ntrac) |
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INTEGER ntra |
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REAL work1(klon,klev),work2(klon,klev) |
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REAL pmflxr(klon,klev+1),pmflxs(klon,klev+1) |
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c |
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REAL d_t(klon,klev),d_q(klon,klev),d_u(klon,klev),d_v(klon,klev) |
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REAL d_tra(klon,klev,ntrac) |
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REAL rain(klon),snow(klon) |
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c |
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INTEGER kbas(klon),ktop(klon) |
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REAL em_ph(klon,klev+1),em_p(klon,klev) |
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REAL upwd(klon,klev),dnwd(klon,klev),dnwdbis(klon,klev) |
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REAL Ma(klon,klev),cape(klon),tvp(klon,klev) |
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real da(klon,klev),phi(klon,klev,klev),mp(klon,klev) |
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INTEGER iflag(klon) |
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REAL rflag(klon) |
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REAL pbase(klon),bbase(klon) |
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REAL dtvpdt1(klon,klev),dtvpdq1(klon,klev) |
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REAL dplcldt(klon),dplcldr(klon) |
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REAL qcondc(klon,klev) |
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REAL wd(klon) |
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c |
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REAL zx_t,zdelta,zx_qs,zcor |
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c |
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INTEGER noff, minorig |
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INTEGER i,k,itra |
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REAL qs(klon,klev) |
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REAL cbmf(klon) |
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SAVE cbmf |
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INTEGER ifrst |
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SAVE ifrst |
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DATA ifrst /0/ |
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c |
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c |
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cym |
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snow(:)=0 |
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|
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IF (ifrst .EQ. 0) THEN |
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ifrst = 1 |
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DO i = 1, klon |
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cbmf(i) = 0. |
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ENDDO |
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ENDIF |
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|
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DO k = 1, klev+1 |
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DO i=1,klon |
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em_ph(i,k) = paprs(i,k) / 100.0 |
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pmflxs(i,k)=0. |
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ENDDO |
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ENDDO |
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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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em_p(i,k) = pplay(i,k) / 100.0 |
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ENDDO |
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ENDDO |
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|
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c |
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if (iflag_con .eq. 4) then |
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DO k = 1, klev |
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DO i = 1, klon |
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zx_t = t(i,k) |
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zdelta=MAX(0.,SIGN(1.,rtt-zx_t)) |
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zx_qs= MIN(0.5 , r2es * FOEEW(zx_t,zdelta)/em_p(i,k)/100.0) |
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zcor=1./(1.-retv*zx_qs) |
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qs(i,k)=zx_qs*zcor |
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ENDDO |
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ENDDO |
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else ! iflag_con=3 (modif de puristes qui fait la diffce pour la convergence numerique) |
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DO k = 1, klev |
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DO i = 1, klon |
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zx_t = t(i,k) |
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zdelta=MAX(0.,SIGN(1.,rtt-zx_t)) |
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zx_qs= r2es * FOEEW(zx_t,zdelta)/em_p(i,k)/100.0 |
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zx_qs= MIN(0.5,zx_qs) |
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zcor=1./(1.-retv*zx_qs) |
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zx_qs=zx_qs*zcor |
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qs(i,k)=zx_qs |
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ENDDO |
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ENDDO |
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endif ! iflag_con |
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c |
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C------------------------------------------------------------------ |
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|
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C Main driver for convection: |
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C iflag_con = 3 -> equivalent to convect3 |
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C iflag_con = 4 -> equivalent to convect1/2 |
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|
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CALL cv_driver(klon,klev,klev+1,ntra,iflag_con, |
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: t,q,qs,u,v,tra, |
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$ em_p,em_ph,iflag, |
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$ d_t,d_q,d_u,d_v,d_tra,rain, |
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$ pmflxr,cbmf,work1,work2, |
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$ kbas,ktop, |
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$ dtime,Ma,upwd,dnwd,dnwdbis,qcondc,wd,cape, |
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$ da,phi,mp) |
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|
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C------------------------------------------------------------------ |
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|
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DO i = 1,klon |
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rain(i) = rain(i)/86400. |
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rflag(i)=iflag(i) |
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ENDDO |
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|
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DO k = 1, klev |
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DO i = 1, klon |
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d_t(i,k) = dtime*d_t(i,k) |
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d_q(i,k) = dtime*d_q(i,k) |
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d_u(i,k) = dtime*d_u(i,k) |
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d_v(i,k) = dtime*d_v(i,k) |
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ENDDO |
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ENDDO |
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DO itra = 1,ntra |
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DO k = 1, klev |
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DO i = 1, klon |
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d_tra(i,k,itra) =dtime*d_tra(i,k,itra) |
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ENDDO |
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ENDDO |
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ENDDO |
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c les traceurs ne sont pas mis dans cette version de convect4: |
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if (iflag_con.eq.4) then |
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DO itra = 1,ntra |
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DO k = 1, klev |
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DO i = 1, klon |
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d_tra(i,k,itra) = 0. |
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ENDDO |
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ENDDO |
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ENDDO |
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endif |
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|
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RETURN |
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END |
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