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module drag_noro_m |
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IMPLICIT NONE |
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contains |
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SUBROUTINE drag_noro(dtime, paprs, pplay, pmea, pstd, psig, pgam, pthe, & |
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ppic, pval, ktest, t, u, v, pulow, pvlow, pustr, pvstr, d_t, d_u, d_v) |
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! From LMDZ4/libf/phylmd/orografi.F, version 1.4 2005/12/01 11:27:29 |
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! Author: F. Lott (LMD/CNRS). Date: 1995/02/01. |
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! Objet : frottement de la montagne, interface. |
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USE dimphy, ONLY: klev, klon |
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use orodrag_m, only: orodrag |
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USE suphec_m, ONLY: rd, rg |
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REAL, INTENT (IN):: dtime ! pas d'int\'egration (s) |
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REAL, INTENT (IN):: paprs(klon, klev+1) ! pression pour chaque |
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! inter-couche (en Pa) |
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REAL, INTENT (IN):: pplay(klon, klev) ! pression pour le mileu de |
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! chaque couche (en Pa) |
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REAL pmea(klon) |
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REAL, INTENT (IN):: pstd(klon), psig(klon) |
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REAL pgam(klon), pthe(klon) |
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REAL ppic(klon), pval(klon) |
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integer ktest(klon) |
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REAL, INTENT (IN):: t(klon, klev) ! temperature (K) |
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real, INTENT (IN):: u(klon, klev), v(klon, klev) ! vitesse horizontale (m/s) |
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REAL, intent(out):: pulow(klon), pvlow(klon), pustr(klon), pvstr(klon) |
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REAL, intent(out):: d_t(klon, klev) ! increment de la temperature |
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REAL, intent(out):: d_u(klon, klev), d_v(klon, klev) ! increment |
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! de la vitesse |
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! Local: |
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INTEGER i, k |
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REAL zgeom(klon, klev) |
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REAL pdtdt(klon, klev), pdudt(klon, klev), pdvdt(klon, klev) |
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REAL pt(klon, klev), pu(klon, klev), pv(klon, klev) |
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REAL papmf(klon, klev), papmh(klon, klev+1) |
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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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pulow(i) = 0.0 |
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pvlow(i) = 0.0 |
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pustr(i) = 0.0 |
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pvstr(i) = 0.0 |
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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) = 0.0 |
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d_u(i, k) = 0.0 |
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d_v(i, k) = 0.0 |
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pdudt(i, k) = 0.0 |
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pdvdt(i, k) = 0.0 |
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pdtdt(i, k) = 0.0 |
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END DO |
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END DO |
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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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pu(i, k) = u(i, klev-k+1) |
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pv(i, k) = v(i, klev-k+1) |
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papmf(i, k) = pplay(i, klev-k+1) |
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END DO |
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END DO |
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DO k = 1, klev + 1 |
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DO i = 1, klon |
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papmh(i, k) = paprs(i, klev-k+2) |
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END DO |
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END DO |
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DO i = 1, klon |
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zgeom(i, klev) = rd*pt(i, klev)*log(papmh(i, klev+1)/papmf(i, klev)) |
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END DO |
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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) + rd * (pt(i, k) + pt(i, k + 1)) / 2. & |
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* log(papmf(i, k + 1) / papmf(i, k)) |
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END DO |
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END DO |
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! Appeler la routine principale |
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CALL orodrag(klon, klev, ktest, dtime, papmh, papmf, zgeom, pt, pu, pv, & |
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pmea, pstd, psig, pgam, pthe, ppic, pval, pulow, pvlow, pdudt, & |
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pdvdt, pdtdt) |
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DO k = 1, klev |
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DO i = 1, klon |
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d_u(i, klev+1-k) = dtime*pdudt(i, k) |
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d_v(i, klev+1-k) = dtime*pdvdt(i, k) |
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d_t(i, klev+1-k) = dtime*pdtdt(i, k) |
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pustr(i) = pustr(i) & |
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+ pdudt(i, k)*(papmh(i, k+1)-papmh(i, k))/rg |
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pvstr(i) = pvstr(i) & |
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+ pdvdt(i, k)*(papmh(i, k+1)-papmh(i, k))/rg |
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END DO |
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END DO |
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END SUBROUTINE drag_noro |
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end module drag_noro_m |
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