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SUBROUTINE clvent(knon,dtime, u1lay,v1lay,coef,t,ven, |
module clvent_m |
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e paprs,pplay,delp, |
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s d_ven,flux_v) |
IMPLICIT none |
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use dimens_m |
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use dimphy |
contains |
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use conf_gcm_m |
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use SUPHEC_M |
SUBROUTINE clvent(dtime, u1lay, v1lay, coef, cdrag, t, ven, paprs, pplay, & |
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IMPLICIT none |
delp, d_ven, flux_v) |
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c====================================================================== |
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c Auteur(s): Z.X. Li (LMD/CNRS) date: 19930818 |
! Author: Z. X. Li (LMD/CNRS) |
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c Objet: diffusion vertical de la vitesse "ven" |
! Date: 1993/08/18 |
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c====================================================================== |
! Objet : diffusion verticale de la vitesse |
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c Arguments: |
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c dtime----input-R- intervalle du temps (en second) |
USE dimphy, ONLY: klev |
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c u1lay----input-R- vent u de la premiere couche (m/s) |
use nr_util, only: assert_eq |
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c v1lay----input-R- vent v de la premiere couche (m/s) |
USE suphec_m, ONLY: rd, rg |
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c coef-----input-R- le coefficient d'echange (m**2/s) multiplie par |
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c le cisaillement du vent (dV/dz); la premiere |
REAL, intent(in):: dtime ! intervalle de temps (en s) |
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c valeur indique la valeur de Cdrag (sans unite) |
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c t--------input-R- temperature (K) |
REAL, intent(in):: u1lay(:), v1lay(:) ! (knon) |
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c ven------input-R- vitesse horizontale (m/s) |
! vent de la premiere couche (m/s) |
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c paprs----input-R- pression a inter-couche (Pa) |
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c pplay----input-R- pression au milieu de couche (Pa) |
REAL, intent(in):: coef(:, 2:) ! (knon, 2:klev) |
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c delp-----input-R- epaisseur de couche (Pa) |
! Coefficient d'echange (m**2/s) multiplié par le cisaillement du |
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c |
! vent (dV/dz) |
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c |
|
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c d_ven----output-R- le changement de "ven" |
REAL, intent(in):: cdrag(:) ! (knon) sans unité |
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c flux_v---output-R- (diagnostic) flux du vent: (kg m/s)/(m**2 s) |
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c====================================================================== |
REAL, intent(in):: t(:, :) ! (knon, klev) ! temperature (K) |
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INTEGER knon |
REAL, intent(in):: ven(:, :) ! (knon, klev) vitesse horizontale (m/s) |
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REAL, intent(in):: dtime |
REAL, intent(in):: paprs(:, :) ! (knon, klev+1) pression a inter-couche (Pa) |
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REAL u1lay(klon), v1lay(klon) |
real, intent(in):: pplay(:, :) ! (knon, klev) pression au milieu |
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REAL coef(klon,klev) |
! de couche (Pa) |
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REAL t(klon,klev), ven(klon,klev) |
real, intent(in):: delp(:, :) ! (knon, klev) epaisseur de couche (Pa) |
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REAL paprs(klon,klev+1), pplay(klon,klev), delp(klon,klev) |
REAL, intent(out):: d_ven(:, :) ! (knon, klev) ! le changement de "ven" |
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REAL d_ven(klon,klev) |
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REAL flux_v(klon,klev) |
REAL, intent(out):: flux_v(:) ! (knon) |
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c====================================================================== |
! (diagnostic) flux du vent à la surface, en (kg m/s)/(m**2 s) |
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c====================================================================== |
! flux_v est le flux de moment angulaire (positif vers bas) |
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INTEGER i, k |
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REAL zx_cv(klon,2:klev) |
! Local: |
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REAL zx_dv(klon,2:klev) |
INTEGER knon, i, k |
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REAL zx_buf(klon) |
REAL zx_cv(size(u1lay), 2:klev) ! (knon, 2:klev) |
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REAL zx_coef(klon,klev) |
REAL zx_dv(size(u1lay), 2:klev) ! (knon, 2:klev) |
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REAL local_ven(klon,klev) |
REAL zx_buf(size(u1lay)) ! (knon) |
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REAL zx_alf1(klon), zx_alf2(klon) |
REAL zx_coef(size(u1lay), klev) ! (knon, klev) |
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c====================================================================== |
REAL local_ven(size(u1lay), klev) ! (knon, klev) |
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DO k = 1, klev |
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DO i = 1, knon |
!------------------------------------------------------------------ |
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local_ven(i,k) = ven(i,k) |
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ENDDO |
knon = assert_eq([size(u1lay), size(v1lay), size(coef, 1), size(t, 1), & |
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ENDDO |
size(ven, 1), size(paprs, 1), size(pplay, 1), size(delp, 1), & |
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c====================================================================== |
size(d_ven, 1), size(flux_v)], "clvent knon") |
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DO i = 1, knon |
local_ven = ven |
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ccc zx_alf1(i) = (paprs(i,1)-pplay(i,2))/(pplay(i,1)-pplay(i,2)) |
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zx_alf1(i) = 1.0 |
DO i = 1, knon |
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zx_alf2(i) = 1.0 - zx_alf1(i) |
zx_coef(i, 1) = cdrag(i) * (1. + SQRT(u1lay(i)**2 + v1lay(i)**2)) & |
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zx_coef(i,1) = coef(i,1) |
* pplay(i, 1) / (RD * t(i, 1)) * dtime * RG |
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. * (1.0+SQRT(u1lay(i)**2+v1lay(i)**2)) |
ENDDO |
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. * pplay(i,1)/(RD*t(i,1)) |
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zx_coef(i,1) = zx_coef(i,1) * dtime*RG |
DO k = 2, klev |
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ENDDO |
DO i = 1, knon |
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c====================================================================== |
zx_coef(i, k) = coef(i, k) * RG / (pplay(i, k-1) - pplay(i, k)) & |
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DO k = 2, klev |
* (paprs(i, k) * 2 / (t(i, k) + t(i, k - 1)) / RD)**2 |
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DO i = 1, knon |
zx_coef(i, k) = zx_coef(i, k) * dtime * RG |
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zx_coef(i,k) = coef(i,k)*RG/(pplay(i,k-1)-pplay(i,k)) |
ENDDO |
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. *(paprs(i,k)*2/(t(i,k)+t(i,k-1))/RD)**2 |
ENDDO |
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zx_coef(i,k) = zx_coef(i,k) * dtime*RG |
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ENDDO |
DO i = 1, knon |
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ENDDO |
zx_buf(i) = delp(i, 1) + zx_coef(i, 1)+zx_coef(i, 2) |
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c====================================================================== |
zx_cv(i, 2) = local_ven(i, 1)*delp(i, 1) / zx_buf(i) |
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DO i = 1, knon |
zx_dv(i, 2) = zx_coef(i, 2) & |
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zx_buf(i) = delp(i,1) + zx_coef(i,1)*zx_alf1(i)+zx_coef(i,2) |
/zx_buf(i) |
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zx_cv(i,2) = local_ven(i,1)*delp(i,1) / zx_buf(i) |
ENDDO |
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zx_dv(i,2) = (zx_coef(i,2)-zx_alf2(i)*zx_coef(i,1)) |
DO k = 3, klev |
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. /zx_buf(i) |
DO i = 1, knon |
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ENDDO |
zx_buf(i) = delp(i, k-1) + zx_coef(i, k) & |
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DO k = 3, klev |
+ zx_coef(i, k-1)*(1.-zx_dv(i, k-1)) |
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DO i = 1, knon |
zx_cv(i, k) = (local_ven(i, k-1)*delp(i, k-1) & |
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zx_buf(i) = delp(i,k-1) + zx_coef(i,k) |
+zx_coef(i, k-1)*zx_cv(i, k-1) )/zx_buf(i) |
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. + zx_coef(i,k-1)*(1.-zx_dv(i,k-1)) |
zx_dv(i, k) = zx_coef(i, k)/zx_buf(i) |
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zx_cv(i,k) = (local_ven(i,k-1)*delp(i,k-1) |
ENDDO |
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. +zx_coef(i,k-1)*zx_cv(i,k-1) )/zx_buf(i) |
ENDDO |
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zx_dv(i,k) = zx_coef(i,k)/zx_buf(i) |
DO i = 1, knon |
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ENDDO |
local_ven(i, klev) = ( local_ven(i, klev)*delp(i, klev) & |
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ENDDO |
+zx_coef(i, klev)*zx_cv(i, klev) ) & |
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DO i = 1, knon |
/ ( delp(i, klev) + zx_coef(i, klev) & |
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local_ven(i,klev) = ( local_ven(i,klev)*delp(i,klev) |
-zx_coef(i, klev)*zx_dv(i, klev) ) |
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. +zx_coef(i,klev)*zx_cv(i,klev) ) |
ENDDO |
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. / ( delp(i,klev) + zx_coef(i,klev) |
DO k = klev-1, 1, -1 |
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. -zx_coef(i,klev)*zx_dv(i,klev) ) |
DO i = 1, knon |
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ENDDO |
local_ven(i, k) = zx_cv(i, k+1) + zx_dv(i, k+1)*local_ven(i, k+1) |
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DO k = klev-1, 1, -1 |
ENDDO |
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DO i = 1, knon |
ENDDO |
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local_ven(i,k) = zx_cv(i,k+1) + zx_dv(i,k+1)*local_ven(i,k+1) |
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ENDDO |
DO i = 1, knon |
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ENDDO |
flux_v(i) = zx_coef(i, 1)/(RG*dtime) & |
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c====================================================================== |
*local_ven(i, 1) |
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c== flux_v est le flux de moment angulaire (positif vers bas) |
ENDDO |
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c== dont l'unite est: (kg m/s)/(m**2 s) |
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DO i = 1, knon |
DO k = 1, klev |
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flux_v(i,1) = zx_coef(i,1)/(RG*dtime) |
DO i = 1, knon |
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. *(local_ven(i,1)*zx_alf1(i) |
d_ven(i, k) = local_ven(i, k) - ven(i, k) |
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. +local_ven(i,2)*zx_alf2(i)) |
ENDDO |
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ENDDO |
ENDDO |
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DO k = 2, klev |
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DO i = 1, knon |
END SUBROUTINE clvent |
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flux_v(i,k) = zx_coef(i,k)/(RG*dtime) |
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. * (local_ven(i,k)-local_ven(i,k-1)) |
end module clvent_m |
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ENDDO |
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ENDDO |
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DO k = 1, klev |
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DO i = 1, knon |
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d_ven(i,k) = local_ven(i,k) - ven(i,k) |
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ENDDO |
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ENDDO |
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c |
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RETURN |
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END |
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