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guez |
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SUBROUTINE conflx (dtime,pres_h,pres_f, & |
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t, q, con_t, con_q, pqhfl, w, & |
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d_t, d_q, rain, snow, & |
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pmfu, pmfd, pen_u, pde_u, pen_d, pde_d, & |
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kcbot, kctop, kdtop, pmflxr, pmflxs) |
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guez |
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guez |
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! From LMDZ4/libf/phylmd/conflx.F,v 1.1.1.1 2004/05/19 12:53:08 |
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guez |
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guez |
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use dimens_m |
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use dimphy |
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use SUPHEC_M |
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use yoethf_m |
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use fcttre |
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guez |
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guez |
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IMPLICIT none |
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!====================================================================== |
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! Auteur(s): Z.X. Li (LMD/CNRS) date: 19941014 |
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! Objet: Schema flux de masse pour la convection |
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! (schema de Tiedtke avec qqs modifications mineures) |
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! Dec.97: Prise en compte des modifications introduites par |
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! Olivier Boucher et Alexandre Armengaud pour melange |
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! et lessivage des traceurs passifs. |
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!====================================================================== |
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! Entree: |
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REAL, intent(in):: dtime ! pas d'integration (s) |
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REAL, intent(in):: pres_h(klon,klev+1) ! pression half-level (Pa) |
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REAL, intent(in):: pres_f(klon,klev)! pression full-level (Pa) |
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REAL, intent(in):: t(klon,klev) ! temperature (K) |
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REAL q(klon,klev) ! humidite specifique (g/g) |
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REAL w(klon,klev) ! vitesse verticale (Pa/s) |
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REAL con_t(klon,klev) ! convergence de temperature (K/s) |
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REAL con_q(klon,klev) ! convergence de l'eau vapeur (g/g/s) |
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REAL pqhfl(klon) ! evaporation (negative vers haut) mm/s |
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! Sortie: |
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REAL d_t(klon,klev) ! incrementation de temperature |
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REAL d_q(klon,klev) ! incrementation d'humidite |
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REAL pmfu(klon,klev) ! flux masse (kg/m2/s) panache ascendant |
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REAL pmfd(klon,klev) ! flux masse (kg/m2/s) panache descendant |
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REAL pen_u(klon,klev) |
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REAL pen_d(klon,klev) |
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REAL pde_u(klon,klev) |
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REAL pde_d(klon,klev) |
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REAL rain(klon) ! pluie (mm/s) |
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REAL snow(klon) ! neige (mm/s) |
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REAL pmflxr(klon,klev+1) |
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REAL pmflxs(klon,klev+1) |
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INTEGER kcbot(klon) ! niveau du bas de la convection |
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INTEGER kctop(klon) ! niveau du haut de la convection |
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INTEGER kdtop(klon) ! niveau du haut des downdrafts |
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! Local: |
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REAL pt(klon,klev) |
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REAL pq(klon,klev) |
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REAL pqs(klon,klev) |
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REAL pvervel(klon,klev) |
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LOGICAL land(klon) |
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! |
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REAL d_t_bis(klon,klev) |
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REAL d_q_bis(klon,klev) |
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REAL paprs(klon,klev+1) |
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REAL paprsf(klon,klev) |
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REAL zgeom(klon,klev) |
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REAL zcvgq(klon,klev) |
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REAL zcvgt(klon,klev) |
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!AA |
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REAL zmfu(klon,klev) |
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REAL zmfd(klon,klev) |
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REAL zen_u(klon,klev) |
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REAL zen_d(klon,klev) |
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REAL zde_u(klon,klev) |
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REAL zde_d(klon,klev) |
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REAL zmflxr(klon,klev+1) |
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REAL zmflxs(klon,klev+1) |
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!AA |
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guez |
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guez |
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! |
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INTEGER i, k |
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REAL zdelta, zqsat |
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! |
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! |
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! initialiser les variables de sortie (pour securite) |
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DO i = 1, klon |
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rain(i) = 0.0 |
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snow(i) = 0.0 |
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kcbot(i) = 0 |
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kctop(i) = 0 |
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kdtop(i) = 0 |
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ENDDO |
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DO k = 1, klev |
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DO i = 1, klon |
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d_t(i,k) = 0.0 |
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d_q(i,k) = 0.0 |
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pmfu(i,k) = 0.0 |
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pmfd(i,k) = 0.0 |
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pen_u(i,k) = 0.0 |
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pde_u(i,k) = 0.0 |
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pen_d(i,k) = 0.0 |
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pde_d(i,k) = 0.0 |
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zmfu(i,k) = 0.0 |
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zmfd(i,k) = 0.0 |
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zen_u(i,k) = 0.0 |
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zde_u(i,k) = 0.0 |
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zen_d(i,k) = 0.0 |
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zde_d(i,k) = 0.0 |
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ENDDO |
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ENDDO |
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DO k = 1, klev+1 |
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DO i = 1, klon |
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zmflxr(i,k) = 0.0 |
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zmflxs(i,k) = 0.0 |
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ENDDO |
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ENDDO |
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! |
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! calculer la nature du sol (pour l'instant, ocean partout) |
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DO i = 1, klon |
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land(i) = .FALSE. |
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ENDDO |
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! |
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! preparer les variables d'entree (attention: l'ordre des niveaux |
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! verticaux augmente du haut vers le bas) |
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DO k = 1, klev |
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DO i = 1, klon |
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pt(i,k) = t(i,klev-k+1) |
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pq(i,k) = q(i,klev-k+1) |
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paprsf(i,k) = pres_f(i,klev-k+1) |
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paprs(i,k) = pres_h(i,klev+1-k+1) |
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pvervel(i,k) = w(i,klev+1-k) |
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zcvgt(i,k) = con_t(i,klev-k+1) |
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zcvgq(i,k) = con_q(i,klev-k+1) |
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! |
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zdelta=MAX(0.,SIGN(1.,RTT-pt(i,k))) |
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zqsat=R2ES*FOEEW ( pt(i,k), zdelta ) / paprsf(i,k) |
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zqsat=MIN(0.5,zqsat) |
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zqsat=zqsat/(1.-RETV *zqsat) |
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pqs(i,k) = zqsat |
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ENDDO |
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ENDDO |
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DO i = 1, klon |
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paprs(i,klev+1) = pres_h(i,1) |
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zgeom(i,klev) = RD * pt(i,klev) & |
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/ (0.5*(paprs(i,klev+1)+paprsf(i,klev))) & |
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* (paprs(i,klev+1)-paprsf(i,klev)) |
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ENDDO |
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DO k = klev-1, 1, -1 |
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DO i = 1, klon |
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zgeom(i,k) = zgeom(i,k+1) & |
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+ RD * 0.5*(pt(i,k+1)+pt(i,k)) / paprs(i,k+1) & |
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* (paprsf(i,k+1)-paprsf(i,k)) |
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ENDDO |
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ENDDO |
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! |
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! appeler la routine principale |
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! |
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CALL flxmain(dtime, pt, pq, pqs, pqhfl, & |
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paprsf, paprs, zgeom, land, zcvgt, zcvgq, pvervel, & |
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rain, snow, kcbot, kctop, kdtop, & |
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zmfu, zmfd, zen_u, zde_u, zen_d, zde_d, & |
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d_t_bis, d_q_bis, zmflxr, zmflxs) |
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! |
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!AA-------------------------------------------------------- |
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!AA rem : De la meme facon que l'on effectue le reindicage |
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!AA pour la temperature t et le champ q |
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!AA on reindice les flux necessaires a la convection |
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!AA des traceurs |
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!AA-------------------------------------------------------- |
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DO k = 1, klev |
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DO i = 1, klon |
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d_q(i,klev+1-k) = dtime*d_q_bis(i,k) |
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d_t(i,klev+1-k) = dtime*d_t_bis(i,k) |
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ENDDO |
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ENDDO |
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! |
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DO i = 1, klon |
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pmfu(i,1)= 0. |
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pmfd(i,1)= 0. |
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pen_d(i,1)= 0. |
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pde_d(i,1)= 0. |
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ENDDO |
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guez |
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DO k = 2, klev |
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DO i = 1, klon |
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pmfu(i,klev+2-k)= zmfu(i,k) |
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pmfd(i,klev+2-k)= zmfd(i,k) |
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ENDDO |
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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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pen_u(i,klev+1-k)= zen_u(i,k) |
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pde_u(i,klev+1-k)= zde_u(i,k) |
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ENDDO |
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ENDDO |
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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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pen_d(i,klev+1-k)= -zen_d(i,k+1) |
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pde_d(i,klev+1-k)= -zde_d(i,k+1) |
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ENDDO |
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ENDDO |
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DO k = 1, klev+1 |
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DO i = 1, klon |
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pmflxr(i,klev+2-k)= zmflxr(i,k) |
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pmflxs(i,klev+2-k)= zmflxs(i,k) |
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ENDDO |
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ENDDO |
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END SUBROUTINE conflx |
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