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! $Header: /home/cvsroot/LMDZ4/libf/dyn3d/advx.F,v 1.2 2005/05/25 13:10:09 |
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! fairhead Exp $ |
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|
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SUBROUTINE advx(limit, dtx, pbaru, sm, s0, sx, sy, sz, lati, latf) |
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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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IMPLICIT NONE |
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|
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! CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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! C |
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! first-order moments (FOM) advection of tracer in X direction C |
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! C |
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! Source : Pascal Simon (Meteo,CNRM) C |
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! Adaptation : A.Armengaud (LGGE) juin 94 C |
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! C |
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! limit,dtx,pbaru,pbarv,sm,s0,sx,sy,sz C |
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! sont des arguments d'entree pour le s-pg... C |
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! C |
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! sm,s0,sx,sy,sz C |
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! sont les arguments de sortie pour le s-pg C |
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! C |
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! CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
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|
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! parametres principaux du modele |
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|
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|
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! Arguments : |
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! ----------- |
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! dtx : frequence fictive d'appel du transport |
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! pbaru, pbarv : flux de masse en x et y en Pa.m2.s-1 |
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|
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INTEGER ntra |
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PARAMETER (ntra=1) |
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|
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! ATTENTION partout ou on trouve ntra, insertion de boucle |
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! possible dans l'avenir. |
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|
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REAL dtx |
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REAL, INTENT (IN) :: pbaru(iip1, jjp1, llm) |
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|
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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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|
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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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REAL sz(iip1, jjp1, llm, ntra) |
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|
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! Local : |
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! ------- |
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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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|
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REAL ugri(iip1, jjp1, llm) |
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|
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! Rem : VGRI et WGRI ne sont pas utilises dans |
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! cette subroutine ( advection en x uniquement ) |
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|
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! Ti are the moments for the current latitude and level |
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|
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REAL tm(iim) |
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REAL t0(iim, ntra), tx(iim, ntra) |
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REAL ty(iim, ntra), tz(iim, ntra) |
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REAL temptm ! just a temporary variable |
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|
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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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|
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REAL fm(iim) |
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REAL f0(iim, ntra), fx(iim, ntra) |
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REAL fy(iim, ntra), fz(iim, ntra) |
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|
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! work arrays |
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|
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REAL alf(iim), alf1(iim), alfq(iim), alf1q(iim) |
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|
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REAL smnew(iim), uext(iim) |
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|
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REAL sqi, sqf |
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LOGICAL limit |
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INTEGER num(jjp1), lonk, numk |
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INTEGER lon, lati, latf, niv |
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INTEGER i, i2, i3, j, jv, l, k, itrac |
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|
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lon = iim |
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niv = llm |
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|
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! *** Test de passage d'arguments ****** |
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|
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|
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! ------------------------------------- |
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DO j = 1, jjp1 |
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num(j) = 1 |
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END DO |
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sqi = 0. |
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sqf = 0. |
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|
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DO l = 1, llm |
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DO j = 1, jjp1 |
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DO i = 1, iim |
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! IM 240305 sqi = sqi + S0(i,j,l,9) |
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sqi = sqi + s0(i, j, l, ntra) |
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END DO |
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END DO |
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END DO |
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PRINT *, '-------- DIAG DANS ADVX - ENTREE ---------' |
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PRINT *, 'sqi=', sqi |
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|
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|
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! Interface : adaptation nouveau modele |
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! ------------------------------------- |
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|
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! --------------------------------------------------------- |
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! Conversion des flux de masses en kg/s |
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! pbaru est en N/s d'ou : |
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! ugri est en kg/s |
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|
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DO l = 1, llm |
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DO j = 1, jjm + 1 |
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DO i = 1, iip1 |
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! ugri (i,j,llm+1-l) = pbaru (i,j,l) * ( dsig(l) / g ) |
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ugri(i, j, llm+1-l) = pbaru(i, j, l) |
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END DO |
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END DO |
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END DO |
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|
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|
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! --------------------------------------------------------- |
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! --------------------------------------------------------- |
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! --------------------------------------------------------- |
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|
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! start here |
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|
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! boucle principale sur les niveaux et les latitudes |
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|
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DO l = 1, niv |
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DO k = lati, latf |
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|
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! initialisation |
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|
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! program assumes periodic boundaries in X |
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|
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DO i = 2, lon |
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smnew(i) = sm(i, k, l) + (ugri(i-1,k,l)-ugri(i,k,l))*dtx |
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END DO |
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smnew(1) = sm(1, k, l) + (ugri(lon,k,l)-ugri(1,k,l))*dtx |
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|
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! modifications for extended polar zones |
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|
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numk = num(k) |
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lonk = lon/numk |
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|
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IF (numk>1) THEN |
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|
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DO i = 1, lon |
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tm(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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t0(i, jv) = 0. |
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tx(i, jv) = 0. |
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ty(i, jv) = 0. |
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tz(i, jv) = 0. |
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END DO |
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END DO |
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|
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DO i2 = 1, numk |
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|
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DO i = 1, lonk |
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i3 = (i-1)*numk + i2 |
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tm(i) = tm(i) + sm(i3, k, l) |
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alf(i) = sm(i3, k, l)/tm(i) |
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alf1(i) = 1. - alf(i) |
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END DO |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk |
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i3 = (i-1)*numk + i2 |
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temptm = -alf(i)*t0(i, jv) + alf1(i)*s0(i3, k, l, jv) |
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t0(i, jv) = t0(i, jv) + s0(i3, k, l, jv) |
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tx(i, jv) = alf(i)*sx(i3, k, l, jv) + alf1(i)*tx(i, jv) + & |
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3.*temptm |
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ty(i, jv) = ty(i, jv) + sy(i3, k, l, jv) |
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tz(i, jv) = tz(i, jv) + sz(i3, k, l, jv) |
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END DO |
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END DO |
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|
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END DO |
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|
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ELSE |
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|
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DO i = 1, lon |
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tm(i) = sm(i, k, l) |
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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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t0(i, jv) = s0(i, k, l, jv) |
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tx(i, jv) = sx(i, k, l, jv) |
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ty(i, jv) = sy(i, k, l, jv) |
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tz(i, jv) = sz(i, k, l, jv) |
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END DO |
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END DO |
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|
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END IF |
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|
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DO i = 1, lonk |
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uext(i) = ugri(i*numk, k, l) |
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END DO |
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|
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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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|
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IF (.NOT. limit) GO TO 13 |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk |
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tx(i, jv) = sign(amin1(amax1(t0(i,jv),0.),abs(tx(i,jv))), tx(i,jv)) |
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END DO |
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END DO |
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|
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13 CONTINUE |
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|
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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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|
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! flux from IP to I if U(I).lt.0 |
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DO i = 1, lonk - 1 |
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IF (uext(i)<0.) THEN |
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fm(i) = -uext(i)*dtx |
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alf(i) = fm(i)/tm(i+1) |
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tm(i+1) = tm(i+1) - fm(i) |
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END IF |
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END DO |
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|
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i = lonk |
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IF (uext(i)<0.) THEN |
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fm(i) = -uext(i)*dtx |
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alf(i) = fm(i)/tm(1) |
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tm(1) = tm(1) - fm(i) |
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END IF |
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|
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! flux from I to IP if U(I).gt.0 |
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|
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DO i = 1, lonk |
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IF (uext(i)>=0.) THEN |
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fm(i) = uext(i)*dtx |
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alf(i) = fm(i)/tm(i) |
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tm(i) = tm(i) - fm(i) |
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END IF |
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END DO |
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|
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DO i = 1, lonk |
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alfq(i) = alf(i)*alf(i) |
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alf1(i) = 1. - alf(i) |
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alf1q(i) = alf1(i)*alf1(i) |
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END DO |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk - 1 |
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|
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IF (uext(i)<0.) THEN |
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|
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f0(i, jv) = alf(i)*(t0(i+1,jv)-alf1(i)*tx(i+1,jv)) |
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fx(i, jv) = alfq(i)*tx(i+1, jv) |
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fy(i, jv) = alf(i)*ty(i+1, jv) |
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fz(i, jv) = alf(i)*tz(i+1, jv) |
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|
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t0(i+1, jv) = t0(i+1, jv) - f0(i, jv) |
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tx(i+1, jv) = alf1q(i)*tx(i+1, jv) |
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ty(i+1, jv) = ty(i+1, jv) - fy(i, jv) |
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tz(i+1, jv) = tz(i+1, jv) - fz(i, jv) |
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|
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END IF |
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|
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END DO |
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END DO |
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|
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i = lonk |
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IF (uext(i)<0.) THEN |
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|
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DO jv = 1, ntra |
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|
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f0(i, jv) = alf(i)*(t0(1,jv)-alf1(i)*tx(1,jv)) |
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fx(i, jv) = alfq(i)*tx(1, jv) |
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fy(i, jv) = alf(i)*ty(1, jv) |
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fz(i, jv) = alf(i)*tz(1, jv) |
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|
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t0(1, jv) = t0(1, jv) - f0(i, jv) |
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tx(1, jv) = alf1q(i)*tx(1, jv) |
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ty(1, jv) = ty(1, jv) - fy(i, jv) |
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tz(1, jv) = tz(1, jv) - fz(i, jv) |
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|
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END DO |
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|
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END IF |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk |
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|
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IF (uext(i)>=0.) THEN |
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|
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f0(i, jv) = alf(i)*(t0(i,jv)+alf1(i)*tx(i,jv)) |
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fx(i, jv) = alfq(i)*tx(i, jv) |
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fy(i, jv) = alf(i)*ty(i, jv) |
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fz(i, jv) = alf(i)*tz(i, jv) |
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|
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t0(i, jv) = t0(i, jv) - f0(i, jv) |
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tx(i, jv) = alf1q(i)*tx(i, jv) |
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ty(i, jv) = ty(i, jv) - fy(i, jv) |
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tz(i, jv) = tz(i, jv) - fz(i, jv) |
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|
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END IF |
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|
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END DO |
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END DO |
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|
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! puts the temporary moments Fi into appropriate neighboring boxes |
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|
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DO i = 1, lonk |
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IF (uext(i)<0.) THEN |
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tm(i) = tm(i) + fm(i) |
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alf(i) = fm(i)/tm(i) |
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END IF |
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END DO |
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|
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DO i = 1, lonk - 1 |
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IF (uext(i)>=0.) THEN |
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tm(i+1) = tm(i+1) + fm(i) |
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alf(i) = fm(i)/tm(i+1) |
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END IF |
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END DO |
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|
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i = lonk |
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IF (uext(i)>=0.) THEN |
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tm(1) = tm(1) + fm(i) |
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alf(i) = fm(i)/tm(1) |
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END IF |
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|
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DO i = 1, lonk |
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alf1(i) = 1. - alf(i) |
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END DO |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk |
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|
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IF (uext(i)<0.) THEN |
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|
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temptm = -alf(i)*t0(i, jv) + alf1(i)*f0(i, jv) |
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t0(i, jv) = t0(i, jv) + f0(i, jv) |
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tx(i, jv) = alf(i)*fx(i, jv) + alf1(i)*tx(i, jv) + 3.*temptm |
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ty(i, jv) = ty(i, jv) + fy(i, jv) |
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tz(i, jv) = tz(i, jv) + fz(i, jv) |
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|
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END IF |
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|
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END DO |
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END DO |
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|
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DO jv = 1, ntra |
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DO i = 1, lonk - 1 |
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|
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IF (uext(i)>=0.) THEN |
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|
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temptm = alf(i)*t0(i+1, jv) - alf1(i)*f0(i, jv) |
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t0(i+1, jv) = t0(i+1, jv) + f0(i, jv) |
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tx(i+1, jv) = alf(i)*fx(i, jv) + alf1(i)*tx(i+1, jv) + 3.*temptm |
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ty(i+1, jv) = ty(i+1, jv) + fy(i, jv) |
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tz(i+1, jv) = tz(i+1, jv) + fz(i, jv) |
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|
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END IF |
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|
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END DO |
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END DO |
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|
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i = lonk |
| 384 |
IF (uext(i)>=0.) THEN |
| 385 |
DO jv = 1, ntra |
| 386 |
temptm = alf(i)*t0(1, jv) - alf1(i)*f0(i, jv) |
| 387 |
t0(1, jv) = t0(1, jv) + f0(i, jv) |
| 388 |
tx(1, jv) = alf(i)*fx(i, jv) + alf1(i)*tx(1, jv) + 3.*temptm |
| 389 |
ty(1, jv) = ty(1, jv) + fy(i, jv) |
| 390 |
tz(1, jv) = tz(1, jv) + fz(i, jv) |
| 391 |
END DO |
| 392 |
END IF |
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|
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! retour aux mailles d'origine (passage des Tij aux Sij) |
| 395 |
|
| 396 |
IF (numk>1) THEN |
| 397 |
|
| 398 |
DO i2 = 1, numk |
| 399 |
|
| 400 |
DO i = 1, lonk |
| 401 |
|
| 402 |
i3 = i2 + (i-1)*numk |
| 403 |
sm(i3, k, l) = smnew(i3) |
| 404 |
alf(i) = smnew(i3)/tm(i) |
| 405 |
tm(i) = tm(i) - smnew(i3) |
| 406 |
|
| 407 |
alfq(i) = alf(i)*alf(i) |
| 408 |
alf1(i) = 1. - alf(i) |
| 409 |
alf1q(i) = alf1(i)*alf1(i) |
| 410 |
|
| 411 |
END DO |
| 412 |
END DO |
| 413 |
|
| 414 |
DO jv = 1, ntra |
| 415 |
DO i = 1, lonk |
| 416 |
|
| 417 |
i3 = i2 + (i-1)*numk |
| 418 |
s0(i3, k, l, jv) = alf(i)*(t0(i,jv)-alf1(i)*tx(i,jv)) |
| 419 |
sx(i3, k, l, jv) = alfq(i)*tx(i, jv) |
| 420 |
sy(i3, k, l, jv) = alf(i)*ty(i, jv) |
| 421 |
sz(i3, k, l, jv) = alf(i)*tz(i, jv) |
| 422 |
|
| 423 |
! reajusts moments remaining in the box |
| 424 |
|
| 425 |
t0(i, jv) = t0(i, jv) - s0(i3, k, l, jv) |
| 426 |
tx(i, jv) = alf1q(i)*tx(i, jv) |
| 427 |
ty(i, jv) = ty(i, jv) - sy(i3, k, l, jv) |
| 428 |
tz(i, jv) = tz(i, jv) - sz(i3, k, l, jv) |
| 429 |
END DO |
| 430 |
END DO |
| 431 |
|
| 432 |
|
| 433 |
ELSE |
| 434 |
|
| 435 |
DO i = 1, lon |
| 436 |
sm(i, k, l) = tm(i) |
| 437 |
END DO |
| 438 |
DO jv = 1, ntra |
| 439 |
DO i = 1, lon |
| 440 |
s0(i, k, l, jv) = t0(i, jv) |
| 441 |
sx(i, k, l, jv) = tx(i, jv) |
| 442 |
sy(i, k, l, jv) = ty(i, jv) |
| 443 |
sz(i, k, l, jv) = tz(i, jv) |
| 444 |
END DO |
| 445 |
END DO |
| 446 |
|
| 447 |
END IF |
| 448 |
|
| 449 |
END DO |
| 450 |
END DO |
| 451 |
|
| 452 |
! ---------- bouclage cyclique |
| 453 |
DO itrac = 1, ntra |
| 454 |
DO l = 1, llm |
| 455 |
DO j = lati, latf |
| 456 |
sm(iip1, j, l) = sm(1, j, l) |
| 457 |
s0(iip1, j, l, itrac) = s0(1, j, l, itrac) |
| 458 |
sx(iip1, j, l, itrac) = sx(1, j, l, itrac) |
| 459 |
sy(iip1, j, l, itrac) = sy(1, j, l, itrac) |
| 460 |
sz(iip1, j, l, itrac) = sz(1, j, l, itrac) |
| 461 |
END DO |
| 462 |
END DO |
| 463 |
END DO |
| 464 |
|
| 465 |
! ----------- qqtite totale de traceur dans tte l'atmosphere |
| 466 |
DO l = 1, llm |
| 467 |
DO j = 1, jjp1 |
| 468 |
DO i = 1, iim |
| 469 |
! IM 240405 sqf = sqf + S0(i,j,l,9) |
| 470 |
sqf = sqf + s0(i, j, l, ntra) |
| 471 |
END DO |
| 472 |
END DO |
| 473 |
END DO |
| 474 |
|
| 475 |
PRINT *, '------ DIAG DANS ADVX - SORTIE -----' |
| 476 |
PRINT *, 'sqf=', sqf |
| 477 |
! ------------- |
| 478 |
|
| 479 |
RETURN |
| 480 |
END SUBROUTINE advx |
| 481 |
! _________________________________________________________________ |
| 482 |
! _________________________________________________________________ |
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