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contains |
contains |
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SUBROUTINE yamada4(dt, zlev, zlay, u, v, teta, q2, km, kn, ustar) |
SUBROUTINE yamada4(zlev, zlay, u, v, teta, q2, coefm, coefh, ustar) |
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! From LMDZ4/libf/phylmd/yamada4.F, version 1.1 2004/06/22 11:45:36 |
! From LMDZ4/libf/phylmd/yamada4.F, version 1.1 2004/06/22 11:45:36 |
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! Library: |
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use nr_util, only: assert, assert_eq |
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use comconst, only: dtphys |
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USE conf_phys_m, ONLY: iflag_pbl |
USE conf_phys_m, ONLY: iflag_pbl |
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USE dimphy, ONLY: klev |
USE dimphy, ONLY: klev |
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use nr_util, only: assert, assert_eq |
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USE suphec_m, ONLY: rg |
USE suphec_m, ONLY: rg |
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REAL, intent(in):: dt ! pas de temps |
REAL, intent(in):: zlev(:, :) ! (knon, klev + 1) |
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REAL zlev(:, :) ! (knon, klev + 1) |
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! altitude \`a chaque niveau (interface inf\'erieure de la couche de |
! altitude \`a chaque niveau (interface inf\'erieure de la couche de |
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! m\^eme indice) |
! m\^eme indice) |
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! En entr\'ee : la valeur au d\'ebut du pas de temps ; en sortie : la |
! En entr\'ee : la valeur au d\'ebut du pas de temps ; en sortie : la |
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! valeur \`a la fin du pas de temps. |
! valeur \`a la fin du pas de temps. |
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REAL, intent(out):: km(:, 2:) ! (knon, 2:klev) |
REAL, intent(out):: coefm(:, 2:) ! (knon, 2:klev) |
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! diffusivit\'e turbulente de quantit\'e de mouvement (au bas de |
! diffusivit\'e turbulente de quantit\'e de mouvement (au bas de |
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! chaque couche) (en sortie : la valeur \`a la fin du pas de temps) |
! chaque couche) (en sortie : la valeur \`a la fin du pas de temps) |
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REAL, intent(out):: kn(:, 2:) ! (knon, 2:klev) |
REAL, intent(out):: coefh(:, 2:) ! (knon, 2:klev) |
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! diffusivit\'e turbulente des scalaires (au bas de chaque couche) |
! diffusivit\'e turbulente des scalaires (au bas de chaque couche) |
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! (en sortie : la valeur \`a la fin du pas de temps) |
! (en sortie : la valeur \`a la fin du pas de temps) |
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real, intent(in):: ustar(:) ! (knon) |
real, intent(in):: ustar(:) ! (knon) |
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! Local: |
! Local: |
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integer knon |
integer knon |
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real kmin, qmin |
real kmin, qmin |
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real pblhmin(size(ustar)), coriol(size(ustar)) ! (knon) |
real pblhmin(size(ustar)), coriol(size(ustar)) ! (knon) |
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REAL unsdzdec(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
REAL unsdzdec(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
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real delta(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
real delta(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
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real aa(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
real aa(size(zlev, 1), size(zlev, 2)) ! (knon, klev + 1) |
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real aa1 |
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logical:: first = .true. |
logical:: first = .true. |
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integer:: ipas = 0 |
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integer ig, k |
integer ig, k |
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real ri |
real ri |
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real, dimension(size(zlev, 1), size(zlev, 2)):: rif, sm ! (knon, klev + 1) |
real, dimension(size(zlev, 1), size(zlev, 2)):: rif, sm ! (knon, klev + 1) |
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call assert(any(iflag_pbl == [6, 8, 9]), "yamada4 iflag_pbl") |
call assert(any(iflag_pbl == [6, 8, 9]), "yamada4 iflag_pbl") |
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knon = assert_eq([size(zlev, 1), size(zlay, 1), size(u, 1), size(v, 1), & |
knon = assert_eq([size(zlev, 1), size(zlay, 1), size(u, 1), size(v, 1), & |
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size(teta, 1), size(ustar), size(q2, 1), size(km, 1), size(kn, 1)], & |
size(teta, 1), size(ustar), size(q2, 1), size(coefm, 1), & |
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"yamada4 knon") |
size(coefh, 1)], "yamada4 knon") |
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call assert(klev == [size(zlev, 2) - 1, size(zlay, 2), size(u, 2), & |
call assert(klev == [size(zlev, 2) - 1, size(zlay, 2), size(u, 2), & |
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size(v, 2), size(teta, 2), size(q2, 2) - 1, size(km, 2) + 1, & |
size(v, 2), size(teta, 2), size(q2, 2) - 1, size(coefm, 2) + 1, & |
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size(kn, 2) + 1], "yamada4 klev") |
size(coefh, 2) + 1], "yamada4 klev") |
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ipas = ipas + 1 |
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! les increments verticaux |
! les increments verticaux |
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DO ig = 1, knon |
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! alerte: zlev n'est pas declare a klev + 1 |
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zlev(ig, klev + 1) = zlay(ig, klev) + (zlay(ig, klev) - zlev(ig, klev)) |
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ENDDO |
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DO k = 1, klev |
DO k = 1, klev |
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DO ig = 1, knon |
DO ig = 1, knon |
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else if (iflag_pbl >= 8) then |
else if (iflag_pbl >= 8) then |
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! Yamada 2.5 a la Didi |
! Yamada 2.5 a la Didi |
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! Calcul de l, km, au pas precedent |
! Calcul de l, coefm, au pas precedent |
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do k = 2, klev |
do k = 2, klev |
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do ig = 1, knon |
do ig = 1, knon |
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delta(ig, k) = q2(ig, k)/(l(ig, k)**2*sm(ig, k)) |
delta(ig, k) = q2(ig, k)/(l(ig, k)**2*sm(ig, k)) |
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if (delta(ig, k).lt.1.e-20) then |
if (delta(ig, k).lt.1.e-20) then |
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delta(ig, k) = 1.e-20 |
delta(ig, k) = 1.e-20 |
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endif |
endif |
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km(ig, k) = l(ig, k)*sqrt(q2(ig, k))*sm(ig, k) |
coefm(ig, k) = l(ig, k)*sqrt(q2(ig, k))*sm(ig, k) |
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aa1 = (m2(ig, k)*(1.-rif(ig, k))-delta(ig, k)/b1) |
aa(ig, k) = (m2(ig, k)*(1.-rif(ig, k))-delta(ig, k)/b1)*dtphys/(delta(ig, k)*l(ig, k)) |
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aa(ig, k) = aa1*dt/(delta(ig, k)*l(ig, k)) |
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qpre = sqrt(q2(ig, k)) |
qpre = sqrt(q2(ig, k)) |
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if (iflag_pbl == 8) then |
if (iflag_pbl == 8) then |
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if (aa(ig, k).gt.0.) then |
if (aa(ig, k).gt.0.) then |
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do k = 2, klev |
do k = 2, klev |
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do ig = 1, knon |
do ig = 1, knon |
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zq = sqrt(q2(ig, k)) |
zq = sqrt(q2(ig, k)) |
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km(ig, k) = l(ig, k)*zq*sm(ig, k) |
coefm(ig, k) = l(ig, k)*zq*sm(ig, k) |
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kn(ig, k) = km(ig, k)*alpha(ig, k) |
coefh(ig, k) = coefm(ig, k)*alpha(ig, k) |
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enddo |
enddo |
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enddo |
enddo |
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else |
else |
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kmin = -1. ! kmin n'est utilise que pour les SL stables. |
kmin = -1. ! kmin n'est utilise que pour les SL stables. |
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endif |
endif |
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if (kn(ig, k).lt.kmin.or.km(ig, k).lt.kmin) then |
if (coefh(ig, k).lt.kmin.or.coefm(ig, k).lt.kmin) then |
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kn(ig, k) = kmin |
coefh(ig, k) = kmin |
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km(ig, k) = kmin |
coefm(ig, k) = kmin |
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! la longueur de melange est suposee etre l = kap z |
! la longueur de melange est suposee etre l = kap z |
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! K = l q Sm d'ou q2 = (K/l Sm)**2 |
! K = l q Sm d'ou q2 = (K/l Sm)**2 |
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q2(ig, k) = (qmin/sm(ig, k))**2 |
q2(ig, k) = (qmin/sm(ig, k))**2 |
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!******************************************************************* |
!******************************************************************* |
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real function frif(ri) |
pure real function frif(ri) |
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real, intent(in):: ri |
real, intent(in):: ri |
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!******************************************************************* |
!******************************************************************* |
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real function falpha(ri) |
pure real function falpha(ri) |
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real, intent(in):: ri |
real, intent(in):: ri |
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!******************************************************************* |
!******************************************************************* |
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real function fsm(ri) |
pure real function fsm(ri) |
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real, intent(in):: ri |
real, intent(in):: ri |
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!******************************************************************* |
!******************************************************************* |
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real function fl(zzz, zl0, zq2, zn2) |
pure real function fl(zzz, zl0, zq2, zn2) |
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real, intent(in):: zzz, zl0, zq2, zn2 |
real, intent(in):: zzz, zl0, zq2, zn2 |
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