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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/advy.F,v 1.1.1.1 2004/05/19 |
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! 12:53:06 lmdzadmin Exp $ |
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SUBROUTINE advy(limit, dty, pbarv, sm, s0, sx, sy, sz) |
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USE dimens_m |
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USE paramet_m |
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USE comconst |
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USE disvert_m |
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USE comgeom |
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IMPLICIT NONE |
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! CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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! C |
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! first-order moments (SOM) advection of tracer in Y direction C |
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! C |
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! Source : Pascal Simon ( Meteo, CNRM ) C |
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! Adaptation : A.A. (LGGE) C |
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! Derniere Modif : 15/12/94 LAST |
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! C |
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! sont les arguments d'entree pour le s-pg C |
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! C |
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! argument de sortie du s-pg C |
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! C |
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! CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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! CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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! Rem : Probleme aux poles il faut reecrire ce cas specifique |
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! Attention au sens de l'indexation |
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! parametres principaux du modele |
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! Arguments : |
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! ---------- |
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! dty : frequence fictive d'appel du transport |
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! parbu,pbarv : flux de masse en x et y en Pa.m2.s-1 |
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INTEGER lon, lat, niv |
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INTEGER i, j, jv, k, kp, l |
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INTEGER ntra |
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PARAMETER (ntra=1) |
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REAL dty |
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REAL, INTENT (IN) :: pbarv(iip1, jjm, llm) |
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! moments: SM total mass in each grid box |
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! S0 mass of tracer in each grid box |
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! Si 1rst order moment in i direction |
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REAL sm(iip1, jjp1, llm), s0(iip1, jjp1, llm, ntra) |
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REAL sx(iip1, jjp1, llm, ntra), sy(iip1, jjp1, llm, ntra), & |
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sz(iip1, jjp1, llm, ntra) |
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! Local : |
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! ------- |
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! mass fluxes across the boundaries (UGRI,VGRI,WGRI) |
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! mass fluxes in kg |
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! declaration : |
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REAL vgri(iip1, 0:jjp1, llm) |
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! Rem : UGRI et WGRI ne sont pas utilises dans |
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! cette subroutine ( advection en y uniquement ) |
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! Rem 2 :le dimensionnement de VGRI depend de celui de pbarv |
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! the moments F are similarly defined and used as temporary |
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! storage for portions of the grid boxes in transit |
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REAL f0(iim, 0:jjp1, ntra), fm(iim, 0:jjp1) |
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REAL fx(iim, jjm, ntra), fy(iim, jjm, ntra) |
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REAL fz(iim, jjm, ntra) |
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REAL s00(ntra) |
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REAL sm0 ! Just temporal variable |
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! work arrays |
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REAL alf(iim, 0:jjp1), alf1(iim, 0:jjp1) |
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REAL alfq(iim, 0:jjp1), alf1q(iim, 0:jjp1) |
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REAL temptm ! Just temporal variable |
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! Special pour poles |
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REAL sbms, sfms, sfzs, sbmn, sfmn, sfzn |
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REAL sns0(ntra), snsz(ntra), snsm |
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REAL s1v(llm), slatv(llm) |
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REAL qy1(iim, llm, ntra), qylat(iim, llm, ntra) |
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REAL cx1(llm, ntra), cxlat(llm, ntra) |
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REAL cy1(llm, ntra), cylat(llm, ntra) |
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REAL z1(iim), zcos(iim), zsin(iim) |
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REAL smpn, smps, s0pn, s0ps |
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REAL ssum |
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EXTERNAL ssum |
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REAL sqi, sqf |
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LOGICAL limit |
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lon = iim ! rem : Il est possible qu'un pbl. arrive ici |
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lat = jjp1 ! a cause des dim. differentes entre les |
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niv = llm |
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! the moments Fi are used as temporary storage for |
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! portions of the grid boxes in transit at the current level |
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! work arrays |
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DO l = 1, llm |
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DO j = 1, jjm |
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DO i = 1, iip1 |
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vgri(i, j, llm+1-l) = -1.*pbarv(i, j, l) |
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END DO |
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END DO |
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DO i = 1, iip1 |
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vgri(i, 0, l) = 0. |
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vgri(i, jjp1, l) = 0. |
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END DO |
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END DO |
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DO l = 1, niv |
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! place limits on appropriate moments before transport |
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! (if flux-limiting is to be applied) |
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IF (.NOT. limit) GO TO 11 |
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DO jv = 1, ntra |
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DO k = 1, lat |
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DO i = 1, lon |
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sy(i, k, l, jv) = sign(amin1(amax1(s0(i,k,l,jv), & |
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0.),abs(sy(i,k,l,jv))), sy(i,k,l,jv)) |
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END DO |
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END DO |
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END DO |
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11 CONTINUE |
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! le flux a travers le pole Nord est traite separement |
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sm0 = 0. |
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DO jv = 1, ntra |
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s00(jv) = 0. |
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END DO |
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DO i = 1, lon |
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IF (vgri(i,0,l)<=0.) THEN |
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fm(i, 0) = -vgri(i, 0, l)*dty |
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alf(i, 0) = fm(i, 0)/sm(i, 1, l) |
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sm(i, 1, l) = sm(i, 1, l) - fm(i, 0) |
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sm0 = sm0 + fm(i, 0) |
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END IF |
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alfq(i, 0) = alf(i, 0)*alf(i, 0) |
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alf1(i, 0) = 1. - alf(i, 0) |
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alf1q(i, 0) = alf1(i, 0)*alf1(i, 0) |
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END DO |
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DO jv = 1, ntra |
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DO i = 1, lon |
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IF (vgri(i,0,l)<=0.) THEN |
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f0(i, 0, jv) = alf(i, 0)*(s0(i,1,l,jv)-alf1(i,0)*sy(i,1,l,jv)) |
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s00(jv) = s00(jv) + f0(i, 0, jv) |
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s0(i, 1, l, jv) = s0(i, 1, l, jv) - f0(i, 0, jv) |
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sy(i, 1, l, jv) = alf1q(i, 0)*sy(i, 1, l, jv) |
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sx(i, 1, l, jv) = alf1(i, 0)*sx(i, 1, l, jv) |
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sz(i, 1, l, jv) = alf1(i, 0)*sz(i, 1, l, jv) |
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END IF |
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END DO |
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END DO |
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DO i = 1, lon |
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IF (vgri(i,0,l)>0.) THEN |
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fm(i, 0) = vgri(i, 0, l)*dty |
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alf(i, 0) = fm(i, 0)/sm0 |
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END IF |
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END DO |
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DO jv = 1, ntra |
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DO i = 1, lon |
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IF (vgri(i,0,l)>0.) THEN |
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f0(i, 0, jv) = alf(i, 0)*s00(jv) |
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END IF |
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END DO |
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END DO |
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! puts the temporary moments Fi into appropriate neighboring boxes |
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DO i = 1, lon |
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IF (vgri(i,0,l)>0.) THEN |
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sm(i, 1, l) = sm(i, 1, l) + fm(i, 0) |
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alf(i, 0) = fm(i, 0)/sm(i, 1, l) |
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END IF |
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alf1(i, 0) = 1. - alf(i, 0) |
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END DO |
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DO jv = 1, ntra |
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DO i = 1, lon |
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IF (vgri(i,0,l)>0.) THEN |
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temptm = alf(i, 0)*s0(i, 1, l, jv) - alf1(i, 0)*f0(i, 0, jv) |
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s0(i, 1, l, jv) = s0(i, 1, l, jv) + f0(i, 0, jv) |
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sy(i, 1, l, jv) = alf1(i, 0)*sy(i, 1, l, jv) + 3.*temptm |
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END IF |
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END DO |
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END DO |
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! calculate flux and moments between adjacent boxes |
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! 1- create temporary moments/masses for partial boxes in transit |
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! 2- reajusts moments remaining in the box |
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! flux from KP to K if V(K).lt.0 and from K to KP if V(K).gt.0 |
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DO k = 1, lat - 1 |
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kp = k + 1 |
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DO i = 1, lon |
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IF (vgri(i,k,l)<0.) THEN |
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fm(i, k) = -vgri(i, k, l)*dty |
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alf(i, k) = fm(i, k)/sm(i, kp, l) |
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sm(i, kp, l) = sm(i, kp, l) - fm(i, k) |
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ELSE |
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fm(i, k) = vgri(i, k, l)*dty |
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alf(i, k) = fm(i, k)/sm(i, k, l) |
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sm(i, k, l) = sm(i, k, l) - fm(i, k) |
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END IF |
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alfq(i, k) = alf(i, k)*alf(i, k) |
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alf1(i, k) = 1. - alf(i, k) |
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alf1q(i, k) = alf1(i, k)*alf1(i, k) |
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END DO |
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END DO |
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DO jv = 1, ntra |
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DO k = 1, lat - 1 |
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kp = k + 1 |
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DO i = 1, lon |
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IF (vgri(i,k,l)<0.) THEN |
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f0(i, k, jv) = alf(i, k)*(s0(i,kp,l,jv)-alf1(i,k)*sy(i,kp,l,jv)) |
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fy(i, k, jv) = alfq(i, k)*sy(i, kp, l, jv) |
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fx(i, k, jv) = alf(i, k)*sx(i, kp, l, jv) |
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fz(i, k, jv) = alf(i, k)*sz(i, kp, l, jv) |
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s0(i, kp, l, jv) = s0(i, kp, l, jv) - f0(i, k, jv) |
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sy(i, kp, l, jv) = alf1q(i, k)*sy(i, kp, l, jv) |
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sx(i, kp, l, jv) = sx(i, kp, l, jv) - fx(i, k, jv) |
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sz(i, kp, l, jv) = sz(i, kp, l, jv) - fz(i, k, jv) |
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ELSE |
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f0(i, k, jv) = alf(i, k)*(s0(i,k,l,jv)+alf1(i,k)*sy(i,k,l,jv)) |
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fy(i, k, jv) = alfq(i, k)*sy(i, k, l, jv) |
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fx(i, k, jv) = alf(i, k)*sx(i, k, l, jv) |
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fz(i, k, jv) = alf(i, k)*sz(i, k, l, jv) |
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s0(i, k, l, jv) = s0(i, k, l, jv) - f0(i, k, jv) |
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sy(i, k, l, jv) = alf1q(i, k)*sy(i, k, l, jv) |
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sx(i, k, l, jv) = sx(i, k, l, jv) - fx(i, k, jv) |
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sz(i, k, l, jv) = sz(i, k, l, jv) - fz(i, k, jv) |
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END IF |
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END DO |
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END DO |
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END DO |
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! puts the temporary moments Fi into appropriate neighboring boxes |
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DO k = 1, lat - 1 |
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kp = k + 1 |
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DO i = 1, lon |
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IF (vgri(i,k,l)<0.) THEN |
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sm(i, k, l) = sm(i, k, l) + fm(i, k) |
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alf(i, k) = fm(i, k)/sm(i, k, l) |
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ELSE |
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sm(i, kp, l) = sm(i, kp, l) + fm(i, k) |
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alf(i, k) = fm(i, k)/sm(i, kp, l) |
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END IF |
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alf1(i, k) = 1. - alf(i, k) |
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END DO |
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END DO |
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DO jv = 1, ntra |
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DO k = 1, lat - 1 |
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kp = k + 1 |
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DO i = 1, lon |
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IF (vgri(i,k,l)<0.) THEN |
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temptm = -alf(i, k)*s0(i, k, l, jv) + alf1(i, k)*f0(i, k, jv) |
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s0(i, k, l, jv) = s0(i, k, l, jv) + f0(i, k, jv) |
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sy(i, k, l, jv) = alf(i, k)*fy(i, k, jv) + & |
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alf1(i, k)*sy(i, k, l, jv) + 3.*temptm |
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sx(i, k, l, jv) = sx(i, k, l, jv) + fx(i, k, jv) |
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sz(i, k, l, jv) = sz(i, k, l, jv) + fz(i, k, jv) |
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ELSE |
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temptm = alf(i, k)*s0(i, kp, l, jv) - alf1(i, k)*f0(i, k, jv) |
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s0(i, kp, l, jv) = s0(i, kp, l, jv) + f0(i, k, jv) |
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sy(i, kp, l, jv) = alf(i, k)*fy(i, k, jv) + & |
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alf1(i, k)*sy(i, kp, l, jv) + 3.*temptm |
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sx(i, kp, l, jv) = sx(i, kp, l, jv) + fx(i, k, jv) |
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sz(i, kp, l, jv) = sz(i, kp, l, jv) + fz(i, k, jv) |
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END IF |
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END DO |
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END DO |
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END DO |
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! traitement special pour le pole Sud (idem pole Nord) |
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k = lat |
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sm0 = 0. |
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DO jv = 1, ntra |
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s00(jv) = 0. |
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END DO |
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DO i = 1, lon |
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IF (vgri(i,k,l)>=0.) THEN |
346 |
|
|
fm(i, k) = vgri(i, k, l)*dty |
347 |
|
|
alf(i, k) = fm(i, k)/sm(i, k, l) |
348 |
|
|
sm(i, k, l) = sm(i, k, l) - fm(i, k) |
349 |
|
|
sm0 = sm0 + fm(i, k) |
350 |
|
|
END IF |
351 |
|
|
|
352 |
|
|
alfq(i, k) = alf(i, k)*alf(i, k) |
353 |
|
|
alf1(i, k) = 1. - alf(i, k) |
354 |
|
|
alf1q(i, k) = alf1(i, k)*alf1(i, k) |
355 |
|
|
|
356 |
|
|
END DO |
357 |
|
|
|
358 |
|
|
DO jv = 1, ntra |
359 |
|
|
DO i = 1, lon |
360 |
|
|
|
361 |
|
|
IF (vgri(i,k,l)>=0.) THEN |
362 |
|
|
f0(i, k, jv) = alf(i, k)*(s0(i,k,l,jv)+alf1(i,k)*sy(i,k,l,jv)) |
363 |
|
|
s00(jv) = s00(jv) + f0(i, k, jv) |
364 |
|
|
|
365 |
|
|
s0(i, k, l, jv) = s0(i, k, l, jv) - f0(i, k, jv) |
366 |
|
|
sy(i, k, l, jv) = alf1q(i, k)*sy(i, k, l, jv) |
367 |
|
|
sx(i, k, l, jv) = alf1(i, k)*sx(i, k, l, jv) |
368 |
|
|
sz(i, k, l, jv) = alf1(i, k)*sz(i, k, l, jv) |
369 |
|
|
END IF |
370 |
|
|
|
371 |
|
|
END DO |
372 |
|
|
END DO |
373 |
|
|
|
374 |
|
|
DO i = 1, lon |
375 |
|
|
IF (vgri(i,k,l)<0.) THEN |
376 |
|
|
fm(i, k) = -vgri(i, k, l)*dty |
377 |
|
|
alf(i, k) = fm(i, k)/sm0 |
378 |
|
|
END IF |
379 |
|
|
END DO |
380 |
|
|
|
381 |
|
|
DO jv = 1, ntra |
382 |
|
|
DO i = 1, lon |
383 |
|
|
IF (vgri(i,k,l)<0.) THEN |
384 |
|
|
f0(i, k, jv) = alf(i, k)*s00(jv) |
385 |
|
|
END IF |
386 |
|
|
END DO |
387 |
|
|
END DO |
388 |
|
|
|
389 |
|
|
! puts the temporary moments Fi into appropriate neighboring boxes |
390 |
|
|
|
391 |
|
|
DO i = 1, lon |
392 |
|
|
|
393 |
|
|
IF (vgri(i,k,l)<0.) THEN |
394 |
|
|
sm(i, k, l) = sm(i, k, l) + fm(i, k) |
395 |
|
|
alf(i, k) = fm(i, k)/sm(i, k, l) |
396 |
|
|
END IF |
397 |
|
|
|
398 |
|
|
alf1(i, k) = 1. - alf(i, k) |
399 |
|
|
|
400 |
|
|
END DO |
401 |
|
|
|
402 |
|
|
DO jv = 1, ntra |
403 |
|
|
DO i = 1, lon |
404 |
|
|
|
405 |
|
|
IF (vgri(i,k,l)<0.) THEN |
406 |
|
|
|
407 |
|
|
temptm = -alf(i, k)*s0(i, k, l, jv) + alf1(i, k)*f0(i, k, jv) |
408 |
|
|
s0(i, k, l, jv) = s0(i, k, l, jv) + f0(i, k, jv) |
409 |
|
|
sy(i, k, l, jv) = alf1(i, k)*sy(i, k, l, jv) + 3.*temptm |
410 |
|
|
|
411 |
|
|
END IF |
412 |
|
|
|
413 |
|
|
END DO |
414 |
|
|
END DO |
415 |
|
|
|
416 |
|
|
END DO |
417 |
|
|
|
418 |
|
|
RETURN |
419 |
|
|
END SUBROUTINE advy |
420 |
|
|
|