--- trunk/libf/phylmd/stdlevvar.f90 2011/01/06 17:52:19 38 +++ trunk/phylmd/stdlevvar.f 2014/09/09 12:54:30 106 @@ -1,278 +1,228 @@ -! -! $Header: /home/cvsroot/LMDZ4/libf/phylmd/stdlevvar.F90,v 1.3 2005/05/25 13:10:09 fairhead Exp $ -! - SUBROUTINE stdlevvar(klon, knon, nsrf, zxli, & - u1, v1, t1, q1, z1, & - ts1, qsurf, rugos, psol, pat1, & - t_2m, q_2m, t_10m, q_10m, u_10m, ustar) - use SUPHEC_M - use yoethf_m - IMPLICIT NONE -!------------------------------------------------------------------------- -! -! Objet : calcul de la temperature et l'humidite relative a 2m et du -! module du vent a 10m a partir des relations de Dyer-Businger et -! des equations de Louis. -! -! Reference : Hess, Colman et McAvaney (1995) -! -! I. Musat, 01.07.2002 -! -!AM On rajoute en sortie t et q a 10m pr le calcule d'hbtm2 dans clmain -! -!------------------------------------------------------------------------- -! -! klon----input-I- dimension de la grille physique (= nb_pts_latitude X nb_pts_longitude) -! knon----input-I- nombre de points pour un type de surface -! nsrf----input-I- indice pour le type de surface; voir indicesol.inc -! zxli----input-L- TRUE si calcul des cdrags selon Laurent Li -! u1------input-R- vent zonal au 1er niveau du modele -! v1------input-R- vent meridien au 1er niveau du modele -! t1------input-R- temperature de l'air au 1er niveau du modele -! q1------input-R- humidite relative au 1er niveau du modele -! z1------input-R- geopotentiel au 1er niveau du modele -! ts1-----input-R- temperature de l'air a la surface -! qsurf---input-R- humidite relative a la surface -! rugos---input-R- rugosite -! psol----input-R- pression au sol -! pat1----input-R- pression au 1er niveau du modele -! -! t_2m---output-R- temperature de l'air a 2m -! q_2m---output-R- humidite relative a 2m -! u_10m--output-R- vitesse du vent a 10m -!AM -! t_10m--output-R- temperature de l'air a 10m -! q_10m--output-R- humidite specifique a 10m -! ustar--output-R- u* -! - INTEGER, intent(in) :: klon, knon, nsrf - LOGICAL, intent(in) :: zxli - REAL, dimension(klon), intent(in) :: u1, v1, t1, q1, z1, ts1 - REAL, dimension(klon), intent(in) :: qsurf, rugos - REAL, dimension(klon), intent(in) :: psol, pat1 -! - REAL, dimension(klon), intent(out) :: t_2m, q_2m, ustar - REAL, dimension(klon), intent(out) :: u_10m, t_10m, q_10m -!------------------------------------------------------------------------- -!IM PLUS -! -! Quelques constantes et options: -! -! RKAR : constante de von Karman - REAL, PARAMETER :: RKAR=0.40 -! niter : nombre iterations calcul "corrector" -! INTEGER, parameter :: niter=6, ncon=niter-1 - INTEGER, parameter :: niter=2, ncon=niter-1 -! -! Variables locales - INTEGER :: i, n - REAL :: zref - REAL, dimension(klon) :: speed -! tpot : temperature potentielle - REAL, dimension(klon) :: tpot - REAL, dimension(klon) :: zri1, cdran - REAL, dimension(klon) :: cdram, cdrah -! ri1 : nb. de Richardson entre la surface --> la 1ere couche - REAL, dimension(klon) :: ri1 - REAL, dimension(klon) :: testar, qstar - REAL, dimension(klon) :: zdte, zdq -! lmon : longueur de Monin-Obukhov selon Hess, Colman and McAvaney - DOUBLE PRECISION, dimension(klon) :: lmon - DOUBLE PRECISION, parameter :: eps=1.0D-20 - REAL, dimension(klon) :: delu, delte, delq - REAL, dimension(klon) :: u_zref, te_zref, q_zref - REAL, dimension(klon) :: temp, pref - LOGICAL :: okri - REAL, dimension(klon) :: u_zref_p, te_zref_p, temp_p, q_zref_p -!convertgence - REAL, dimension(klon) :: te_zref_con, q_zref_con - REAL, dimension(klon) :: u_zref_c, te_zref_c, temp_c, q_zref_c - REAL, dimension(klon) :: ok_pred, ok_corr -! REAL, dimension(klon) :: conv_te, conv_q -!------------------------------------------------------------------------- - DO i=1, knon +module stdlevvar_m + + IMPLICIT NONE + +contains + + SUBROUTINE stdlevvar(klon, knon, nsrf, zxli, u1, v1, t1, q1, z1, ts1, & + qsurf, rugos, psol, pat1, t_2m, q_2m, t_10m, q_10m, u_10m, ustar) + + ! From LMDZ4/libf/phylmd/stdlevvar.F90, version 1.3 2005/05/25 13:10:09 + + USE suphec_m, ONLY: rg, rkappa + + ! Objet : calcul de la température et de l'humidité relative à 2 m + ! et du module du vent à 10 m à partir des relations de + ! Dyer-Businger et des équations de Louis. + + ! Reference: Hess, Colman and McAvaney (1995) + + ! Author: I. Musat, 01.07.2002 + + INTEGER, intent(in):: klon + ! dimension de la grille physique (= nb_pts_latitude X nb_pts_longitude) + + INTEGER, intent(in):: knon + ! knon----input-I- nombre de points pour un type de surface + INTEGER, intent(in):: nsrf + ! nsrf----input-I- indice pour le type de surface; voir indicesol.inc + LOGICAL, intent(in):: zxli + ! zxli----input-L- TRUE si calcul des cdrags selon Laurent Li + REAL, dimension(klon), intent(in):: u1 + ! u1------input-R- vent zonal au 1er niveau du modele + REAL, dimension(klon), intent(in):: v1 + ! v1------input-R- vent meridien au 1er niveau du modele + REAL, dimension(klon), intent(in):: t1 + ! t1------input-R- temperature de l'air au 1er niveau du modele + REAL, dimension(klon), intent(in):: q1 + ! q1------input-R- humidite relative au 1er niveau du modele + REAL, dimension(klon), intent(in):: z1 + ! z1------input-R- geopotentiel au 1er niveau du modele + REAL, dimension(klon), intent(in):: ts1 + ! ts1-----input-R- temperature de l'air a la surface + REAL, dimension(klon), intent(in):: qsurf + ! qsurf---input-R- humidite relative a la surface + REAL, dimension(klon), intent(in):: rugos + ! rugos---input-R- rugosite + REAL, dimension(klon), intent(in):: psol + ! psol----input-R- pression au sol + REAL, dimension(klon), intent(in):: pat1 + ! pat1----input-R- pression au 1er niveau du modele + + REAL, dimension(klon), intent(out):: t_2m + ! t_2m---output-R- temperature de l'air a 2m + REAL, dimension(klon), intent(out):: q_2m + ! q_2m---output-R- humidite relative a 2m + REAL, dimension(klon), intent(out):: t_10m + ! t_10m--output-R- temperature de l'air a 10m + REAL, dimension(klon), intent(out):: q_10m + ! q_10m--output-R- humidite specifique a 10m + REAL, dimension(klon), intent(out):: u_10m + ! u_10m--output-R- vitesse du vent a 10m + REAL, intent(out):: ustar(klon) ! u* + + ! Local: + + ! RKAR : constante de von Karman + REAL, PARAMETER:: RKAR=0.40 + ! niter : nombre iterations calcul "corrector" + INTEGER, parameter:: niter=2, ncon=niter-1 + + ! Variables locales + INTEGER i, n + REAL zref + REAL, dimension(klon):: speed + ! tpot : temperature potentielle + REAL, dimension(klon):: tpot + REAL, dimension(klon):: zri1, cdran + REAL cdram(klon), cdrah(klon) + ! ri1 : nb. de Richardson entre la surface --> la 1ere couche + REAL, dimension(klon):: ri1 + REAL, dimension(klon):: testar, qstar + REAL, dimension(klon):: zdte, zdq + ! lmon : longueur de Monin-Obukhov selon Hess, Colman and McAvaney + DOUBLE PRECISION, dimension(klon):: lmon + DOUBLE PRECISION, parameter:: eps=1.0D-20 + REAL, dimension(klon):: delu, delte, delq + REAL, dimension(klon):: u_zref, te_zref, q_zref + REAL, dimension(klon):: temp, pref + LOGICAL okri + REAL, dimension(klon):: u_zref_p, temp_p, q_zref_p + !convertgence + REAL, dimension(klon):: te_zref_con, q_zref_con + REAL, dimension(klon):: u_zref_c, temp_c, q_zref_c + REAL, dimension(klon):: ok_pred, ok_corr + + !------------------------------------------------------------------------- + + DO i=1, knon speed(i)=SQRT(u1(i)**2+v1(i)**2) ri1(i) = 0.0 - ENDDO -! - okri=.FALSE. - CALL coefcdrag(klon, knon, nsrf, zxli, & - & speed, t1, q1, z1, psol, & - & ts1, qsurf, rugos, okri, ri1, & - & cdram, cdrah, cdran, zri1, pref) -! -!---------Star variables---------------------------------------------------- -! - DO i = 1, knon - ri1(i) = zri1(i) - tpot(i) = t1(i)* (psol(i)/pat1(i))**RKAPPA - ustar(i) = sqrt(cdram(i) * speed(i) * speed(i)) - zdte(i) = tpot(i) - ts1(i) - zdq(i) = max(q1(i),0.0) - max(qsurf(i),0.0) -! -! -!IM BUG BUG BUG zdte(i) = max(zdte(i),1.e-10) - zdte(i) = sign(max(abs(zdte(i)),1.e-10),zdte(i)) -! - testar(i) = (cdrah(i) * zdte(i) * speed(i))/ustar(i) - qstar(i) = (cdrah(i) * zdq(i) * speed(i))/ustar(i) - lmon(i) = (ustar(i) * ustar(i) * tpot(i))/ & - & (RKAR * RG * testar(i)) - ENDDO -! -!----------First aproximation of variables at zref -------------------------- - zref = 2.0 - CALL screenp(klon, knon, nsrf, speed, tpot, q1, & - & ts1, qsurf, rugos, lmon, & - & ustar, testar, qstar, zref, & - & delu, delte, delq) -! - DO i = 1, knon - u_zref(i) = delu(i) - q_zref(i) = max(qsurf(i),0.0) + delq(i) - te_zref(i) = ts1(i) + delte(i) - temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) - q_zref_p(i) = q_zref(i) -! te_zref_p(i) = te_zref(i) - temp_p(i) = temp(i) - ENDDO -! -! Iteration of the variables at the reference level zref : corrector calculation ; see Hess & McAvaney, 1995 -! - DO n = 1, niter -! - okri=.TRUE. - CALL screenc(klon, knon, nsrf, zxli, & - & u_zref, temp, q_zref, zref, & - & ts1, qsurf, rugos, psol, & - & ustar, testar, qstar, okri, ri1, & - & pref, delu, delte, delq) -! - DO i = 1, knon + ENDDO + + okri=.FALSE. + CALL coefcdrag(klon, knon, nsrf, zxli, speed, t1, q1, z1, psol, ts1, & + qsurf, rugos, okri, ri1, cdram, cdrah, cdran, zri1, pref) + + ! Star variables + + DO i = 1, knon + ri1(i) = zri1(i) + tpot(i) = t1(i)* (psol(i)/pat1(i))**RKAPPA + ustar(i) = sqrt(cdram(i) * speed(i) * speed(i)) + zdte(i) = tpot(i) - ts1(i) + zdq(i) = max(q1(i), 0.0) - max(qsurf(i), 0.0) + + zdte(i) = sign(max(abs(zdte(i)), 1.e-10), zdte(i)) + + testar(i) = (cdrah(i) * zdte(i) * speed(i))/ustar(i) + qstar(i) = (cdrah(i) * zdq(i) * speed(i))/ustar(i) + lmon(i) = (ustar(i) * ustar(i) * tpot(i))/ & + (RKAR * RG * testar(i)) + ENDDO + + ! First aproximation of variables at zref + zref = 2.0 + CALL screenp(klon, knon, nsrf, speed, tpot, q1, & + ts1, qsurf, rugos, lmon, & + ustar, testar, qstar, zref, & + delu, delte, delq) + + DO i = 1, knon + u_zref(i) = delu(i) + q_zref(i) = max(qsurf(i), 0.0) + delq(i) + te_zref(i) = ts1(i) + delte(i) + temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) + q_zref_p(i) = q_zref(i) + temp_p(i) = temp(i) + ENDDO + + ! Iteration of the variables at the reference level zref : + ! corrector calculation ; see Hess & McAvaney, 1995 + + DO n = 1, niter + okri=.TRUE. + CALL screenc(klon, knon, nsrf, zxli, & + u_zref, temp, q_zref, zref, & + ts1, qsurf, rugos, psol, & + ustar, testar, qstar, okri, ri1, & + pref, delu, delte, delq) + + DO i = 1, knon u_zref(i) = delu(i) - q_zref(i) = delq(i) + max(qsurf(i),0.0) + q_zref(i) = delq(i) + max(qsurf(i), 0.0) te_zref(i) = delte(i) + ts1(i) -! -! return to normal temperature -! + + ! return to normal temperature + temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) -! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & -! (1 + RVTMP2 * max(q_zref(i),0.0)) -! -!IM +++ -! IF(temp(i).GT.350.) THEN -! WRITE(*,*) 'temp(i) GT 350 K !!',i,nsrf,temp(i) -! ENDIF -!IM --- -! - IF(n.EQ.ncon) THEN - te_zref_con(i) = te_zref(i) - q_zref_con(i) = q_zref(i) - ENDIF -! - ENDDO -! - ENDDO -! -! verifier le critere de convergence : 0.25% pour te_zref et 5% pour qe_zref -! -! DO i = 1, knon -! conv_te(i) = (te_zref(i) - te_zref_con(i))/te_zref_con(i) -! conv_q(i) = (q_zref(i) - q_zref_con(i))/q_zref_con(i) -!IM +++ -! IF(abs(conv_te(i)).GE.0.0025.AND.abs(conv_q(i)).GE.0.05) THEN -! PRINT*,'DIV','i=',i,te_zref_con(i),te_zref(i),conv_te(i), & -! q_zref_con(i),q_zref(i),conv_q(i) -! ENDIF -!IM --- -! ENDDO -! - DO i = 1, knon - q_zref_c(i) = q_zref(i) - temp_c(i) = temp(i) -! -! IF(zri1(i).LT.0.) THEN -! IF(nsrf.EQ.1) THEN -! ok_pred(i)=1. -! ok_corr(i)=0. -! ELSE -! ok_pred(i)=0. -! ok_corr(i)=1. -! ENDIF -! ELSE -! ok_pred(i)=0. -! ok_corr(i)=1. -! ENDIF -! - ok_pred(i)=0. - ok_corr(i)=1. -! - t_2m(i) = temp_p(i) * ok_pred(i) + temp_c(i) * ok_corr(i) - q_2m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) -!IM +++ -! IF(n.EQ.niter) THEN -! IF(t_2m(i).LT.t1(i).AND.t_2m(i).LT.ts1(i)) THEN -! PRINT*,' BAD t2m LT ',i,nsrf,t_2m(i),t1(i),ts1(i) -! ELSEIF(t_2m(i).GT.t1(i).AND.t_2m(i).GT.ts1(i)) THEN -! PRINT*,' BAD t2m GT ',i,nsrf,t_2m(i),t1(i),ts1(i) -! ENDIF -! ENDIF -!IM --- - ENDDO -! -! -!----------First aproximation of variables at zref -------------------------- -! - zref = 10.0 - CALL screenp(klon, knon, nsrf, speed, tpot, q1, & - & ts1, qsurf, rugos, lmon, & - & ustar, testar, qstar, zref, & - & delu, delte, delq) -! - DO i = 1, knon - u_zref(i) = delu(i) - q_zref(i) = max(qsurf(i),0.0) + delq(i) - te_zref(i) = ts1(i) + delte(i) - temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) -! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & -! (1 + RVTMP2 * max(q_zref(i),0.0)) - u_zref_p(i) = u_zref(i) - ENDDO -! -! Iteration of the variables at the reference level zref : corrector ; see Hess & McAvaney, 1995 -! - DO n = 1, niter -! - okri=.TRUE. - CALL screenc(klon, knon, nsrf, zxli, & - & u_zref, temp, q_zref, zref, & - & ts1, qsurf, rugos, psol, & - & ustar, testar, qstar, okri, ri1, & - & pref, delu, delte, delq) -! - DO i = 1, knon + + IF(n == ncon) THEN + te_zref_con(i) = te_zref(i) + q_zref_con(i) = q_zref(i) + ENDIF + ENDDO + ENDDO + + ! verifier le critere de convergence : 0.25% pour te_zref et 5% pour qe_zref + + DO i = 1, knon + q_zref_c(i) = q_zref(i) + temp_c(i) = temp(i) + + ok_pred(i)=0. + ok_corr(i)=1. + + t_2m(i) = temp_p(i) * ok_pred(i) + temp_c(i) * ok_corr(i) + q_2m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) + ENDDO + + ! First aproximation of variables at zref + + zref = 10.0 + CALL screenp(klon, knon, nsrf, speed, tpot, q1, & + ts1, qsurf, rugos, lmon, & + ustar, testar, qstar, zref, & + delu, delte, delq) + + DO i = 1, knon + u_zref(i) = delu(i) + q_zref(i) = max(qsurf(i), 0.0) + delq(i) + te_zref(i) = ts1(i) + delte(i) + temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) + u_zref_p(i) = u_zref(i) + ENDDO + + ! Iteration of the variables at the reference level zref: + ! corrector ; see Hess & McAvaney, 1995 + + DO n = 1, niter + okri=.TRUE. + CALL screenc(klon, knon, nsrf, zxli, & + u_zref, temp, q_zref, zref, & + ts1, qsurf, rugos, psol, & + ustar, testar, qstar, okri, ri1, & + pref, delu, delte, delq) + + DO i = 1, knon u_zref(i) = delu(i) - q_zref(i) = delq(i) + max(qsurf(i),0.0) + q_zref(i) = delq(i) + max(qsurf(i), 0.0) te_zref(i) = delte(i) + ts1(i) temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) -! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & -! (1 + RVTMP2 * max(q_zref(i),0.0)) - ENDDO -! - ENDDO -! - DO i = 1, knon - u_zref_c(i) = u_zref(i) -! - u_10m(i) = u_zref_p(i) * ok_pred(i) + u_zref_c(i) * ok_corr(i) -! -!AM - q_zref_c(i) = q_zref(i) - temp_c(i) = temp(i) - t_10m(i) = temp_p(i) * ok_pred(i) + temp_c(i) * ok_corr(i) - q_10m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) -!MA - ENDDO -! - RETURN - END subroutine stdlevvar + ENDDO + ENDDO + + DO i = 1, knon + u_zref_c(i) = u_zref(i) + + u_10m(i) = u_zref_p(i) * ok_pred(i) + u_zref_c(i) * ok_corr(i) + + q_zref_c(i) = q_zref(i) + temp_c(i) = temp(i) + t_10m(i) = temp_p(i) * ok_pred(i) + temp_c(i) * ok_corr(i) + q_10m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) + ENDDO + + END subroutine stdlevvar + +end module stdlevvar_m