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SUBROUTINE concvl(iflag_con,dtime,paprs,pplay,t,q,u,v,tra,ntra,work1, & |
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work2,d_t,d_q,d_u,d_v,d_tra,rain,snow,kbas,ktop,upwd,dnwd,dnwdbis,ma, & |
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cape,tvp,iflag,pbase,bbase,dtvpdt1,dtvpdq1,dplcldt,dplcldr,qcondc,wd, & |
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pmflxr,pmflxs,da,phi,mp) |
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! From phylmd/concvl.F,v 1.3 2005/04/15 12:36:17 |
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! Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
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! Objet: schema de convection de Emanuel (1991) interface |
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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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! Arguments: |
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! dtime--input-R-pas d'integration (s) |
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! s-------input-R-la valeur "s" pour chaque couche |
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! sigs----input-R-la valeur "sigma" de chaque couche |
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! sig-----input-R-la valeur de "sigma" pour chaque niveau |
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! psolpa--input-R-la pression au sol (en Pa) |
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! pskapa--input-R-exponentiel kappa de psolpa |
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! h-------input-R-enthalpie potentielle (Cp*T/P**kappa) |
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! q-------input-R-vapeur d'eau (en kg/kg) |
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! work*: input et output: deux variables de travail, |
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! on peut les mettre a 0 au debut |
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! ALE-----input-R-energie disponible pour soulevement |
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! d_h-----output-R-increment de l'enthalpie potentielle (h) |
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! d_q-----output-R-increment de la vapeur d'eau |
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! rain----output-R-la pluie (mm/s) |
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! snow----output-R-la neige (mm/s) |
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! upwd----output-R-saturated updraft mass flux (kg/m**2/s) |
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! dnwd----output-R-saturated downdraft mass flux (kg/m**2/s) |
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! dnwd0---output-R-unsaturated downdraft mass flux (kg/m**2/s) |
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! Cape----output-R-CAPE (J/kg) |
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! Tvp-----output-R-Temperature virtuelle d'une parcelle soulevee |
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! adiabatiquement a partir du niveau 1 (K) |
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! deltapb-output-R-distance entre LCL et base de la colonne (<0 ; Pa) |
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! Ice_flag-input-L-TRUE->prise en compte de la thermodynamique de la glace |
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INTEGER ntrac |
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PARAMETER (ntrac=nqmx-2) |
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INTEGER, INTENT (IN) :: iflag_con |
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REAL, INTENT (IN) :: 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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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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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 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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REAL zx_t, zdelta, zx_qs, zcor |
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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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!----------------------------------------------------------------- |
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snow(:) = 0 |
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IF (ifrst==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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END DO |
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END IF |
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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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END DO |
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END DO |
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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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END DO |
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END DO |
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IF (iflag_con==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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END DO |
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END DO |
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ELSE |
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! iflag_con=3 (modif de puristes qui fait la diffce pour la |
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! 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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END DO |
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END DO |
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END IF |
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! Main driver for convection: |
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! iflag_con = 3 -> equivalent to convect3 |
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! iflag_con = 4 -> equivalent to convect1/2 |
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CALL cv_driver(klon,klev,klev+1,ntra,iflag_con,t,q,qs,u,v,tra,em_p, & |
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em_ph,iflag,d_t,d_q,d_u,d_v,d_tra,rain,pmflxr,cbmf,work1,work2,kbas, & |
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ktop,dtime,ma,upwd,dnwd,dnwdbis,qcondc,wd,cape,da,phi,mp) |
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DO i = 1, klon |
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rain(i) = rain(i)/86400. |
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END DO |
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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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END DO |
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END DO |
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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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END DO |
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END DO |
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END DO |
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! les traceurs ne sont pas mis dans cette version de convect4: |
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IF (iflag_con==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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END DO |
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END DO |
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END DO |
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END IF |
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END SUBROUTINE concvl |