1 |
! |
module stdlevvar_m |
2 |
! $Header: /home/cvsroot/LMDZ4/libf/phylmd/stdlevvar.F90,v 1.3 2005/05/25 13:10:09 fairhead Exp $ |
|
3 |
! |
IMPLICIT NONE |
4 |
SUBROUTINE stdlevvar(klon, knon, nsrf, zxli, & |
|
5 |
u1, v1, t1, q1, z1, & |
contains |
6 |
ts1, qsurf, rugos, psol, pat1, & |
|
7 |
t_2m, q_2m, t_10m, q_10m, u_10m, ustar) |
SUBROUTINE stdlevvar(nsrf, u1, v1, t1, q1, z1, ts1, qsurf, rugos, psol, & |
8 |
use SUPHEC_M |
pat1, t_2m, q_2m, t_10m, q_10m, wind10m, ustar) |
9 |
use yoethf_m |
|
10 |
IMPLICIT NONE |
! From LMDZ4/libf/phylmd/stdlevvar.F90, version 1.3, 2005/05/25 13:10:09 |
11 |
!------------------------------------------------------------------------- |
|
12 |
! |
! Objet : calcul de la température et de l'humidité relative à 2 m |
13 |
! Objet : calcul de la temperature et l'humidite relative a 2m et du |
! et du module du vent à 10 m à partir des relations de |
14 |
! module du vent a 10m a partir des relations de Dyer-Businger et |
! Dyer-Businger et des équations de Louis. |
15 |
! des equations de Louis. |
|
16 |
! |
! Reference: Hess, Colman and McAvaney (1995) |
17 |
! Reference : Hess, Colman et McAvaney (1995) |
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18 |
! |
! Author: I. Musat, July 1st, 2002 |
19 |
! I. Musat, 01.07.2002 |
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20 |
! |
use nr_util, only: assert_eq |
21 |
!AM On rajoute en sortie t et q a 10m pr le calcule d'hbtm2 dans clmain |
|
22 |
! |
use coefcdrag_m, only: coefcdrag |
23 |
!------------------------------------------------------------------------- |
USE dimphy, ONLY: klon |
24 |
! |
USE suphec_m, ONLY: rg, rkappa |
25 |
! klon----input-I- dimension de la grille physique (= nb_pts_latitude X nb_pts_longitude) |
use screenc_m, only: screenc |
26 |
! knon----input-I- nombre de points pour un type de surface |
use screenp_m, only: screenp |
27 |
! nsrf----input-I- indice pour le type de surface; voir indicesol.inc |
|
28 |
! zxli----input-L- TRUE si calcul des cdrags selon Laurent Li |
INTEGER, intent(in):: nsrf ! indice pour le type de surface |
29 |
! u1------input-R- vent zonal au 1er niveau du modele |
REAL, intent(in):: u1(:) ! (knon) vent zonal au 1er niveau du modele |
30 |
! v1------input-R- vent meridien au 1er niveau du modele |
REAL, intent(in):: v1(:) ! (knon) vent meridien au 1er niveau du modele |
31 |
! t1------input-R- temperature de l'air au 1er niveau du modele |
REAL, intent(in):: t1(:) ! (knon) temperature de l'air au 1er |
32 |
! q1------input-R- humidite relative au 1er niveau du modele |
! niveau du modele |
33 |
! z1------input-R- geopotentiel au 1er niveau du modele |
REAL, intent(in):: q1(klon) ! humidite relative au 1er niveau du modele |
34 |
! ts1-----input-R- temperature de l'air a la surface |
REAL, intent(in):: z1 (klon) ! geopotentiel au 1er niveau du modele |
35 |
! qsurf---input-R- humidite relative a la surface |
REAL, intent(in):: ts1(klon) ! temperature de l'air a la surface |
36 |
! rugos---input-R- rugosite |
REAL, intent(in):: qsurf(klon) ! humidite relative a la surface |
37 |
! psol----input-R- pression au sol |
REAL, intent(in):: rugos(klon) ! rugosite |
38 |
! pat1----input-R- pression au 1er niveau du modele |
REAL, intent(in):: psol(klon) ! pression au sol |
39 |
! |
REAL, intent(in):: pat1(klon) ! pression au 1er niveau du modele |
40 |
! t_2m---output-R- temperature de l'air a 2m |
REAL, intent(out):: t_2m(klon) ! temperature de l'air a 2m |
41 |
! q_2m---output-R- humidite relative a 2m |
REAL, intent(out):: q_2m(klon) ! humidite relative a 2m |
42 |
! u_10m--output-R- vitesse du vent a 10m |
REAL, intent(out):: t_10m(klon) ! temperature de l'air a 10m |
43 |
!AM |
REAL, intent(out):: q_10m(klon) ! humidite specifique a 10m |
44 |
! t_10m--output-R- temperature de l'air a 10m |
REAL, intent(out):: wind10m(:) ! (knon) norme du vent \`a 10m |
45 |
! q_10m--output-R- humidite specifique a 10m |
REAL, intent(out):: ustar(:) ! (knon) u* |
46 |
! ustar--output-R- u* |
|
47 |
! |
! Local: |
48 |
INTEGER, intent(in) :: klon, knon, nsrf |
INTEGER knon ! nombre de points pour un type de surface |
49 |
LOGICAL, intent(in) :: zxli |
REAL, PARAMETER:: RKAR = 0.4 ! constante de von Karman |
50 |
REAL, dimension(klon), intent(in) :: u1, v1, t1, q1, z1, ts1 |
INTEGER, parameter:: niter = 2 ! nombre iterations calcul "corrector" |
51 |
REAL, dimension(klon), intent(in) :: qsurf, rugos |
INTEGER i, n |
52 |
REAL, dimension(klon), intent(in) :: psol, pat1 |
REAL zref |
53 |
! |
REAL, dimension(klon):: speed |
54 |
REAL, dimension(klon), intent(out) :: t_2m, q_2m, ustar |
! tpot : temperature potentielle |
55 |
REAL, dimension(klon), intent(out) :: u_10m, t_10m, q_10m |
REAL, dimension(klon):: tpot |
56 |
!------------------------------------------------------------------------- |
REAL cdram(klon), cdrah(klon) |
57 |
!IM PLUS |
REAL, dimension(klon):: testar, qstar |
58 |
! |
REAL, dimension(klon):: zdte, zdq |
59 |
! Quelques constantes et options: |
! lmon : longueur de Monin-Obukhov selon Hess, Colman and McAvaney |
60 |
! |
DOUBLE PRECISION, dimension(klon):: lmon |
61 |
! RKAR : constante de von Karman |
REAL, dimension(klon):: delu, delte, delq |
62 |
REAL, PARAMETER :: RKAR=0.40 |
REAL, dimension(klon):: u_zref, te_zref, q_zref |
63 |
! niter : nombre iterations calcul "corrector" |
REAL, dimension(klon):: temp |
64 |
! INTEGER, parameter :: niter=6, ncon=niter-1 |
real pref(size(u1)) ! (knon) |
65 |
INTEGER, parameter :: niter=2, ncon=niter-1 |
|
66 |
! |
!------------------------------------------------------------------------- |
67 |
! Variables locales |
|
68 |
INTEGER :: i, n |
knon = assert_eq([size(u1), size(v1), size(t1), size(wind10m), & |
69 |
REAL :: zref |
size(ustar)], "stdlevvar knon") |
70 |
REAL, dimension(klon) :: speed |
|
71 |
! tpot : temperature potentielle |
DO i=1, knon |
|
REAL, dimension(klon) :: tpot |
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REAL, dimension(klon) :: zri1, cdran |
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REAL, dimension(klon) :: cdram, cdrah |
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! ri1 : nb. de Richardson entre la surface --> la 1ere couche |
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REAL, dimension(klon) :: ri1 |
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REAL, dimension(klon) :: testar, qstar |
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REAL, dimension(klon) :: zdte, zdq |
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! lmon : longueur de Monin-Obukhov selon Hess, Colman and McAvaney |
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DOUBLE PRECISION, dimension(klon) :: lmon |
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DOUBLE PRECISION, parameter :: eps=1.0D-20 |
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REAL, dimension(klon) :: delu, delte, delq |
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REAL, dimension(klon) :: u_zref, te_zref, q_zref |
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REAL, dimension(klon) :: temp, pref |
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LOGICAL :: okri |
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REAL, dimension(klon) :: u_zref_p, te_zref_p, temp_p, q_zref_p |
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!convertgence |
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REAL, dimension(klon) :: te_zref_con, q_zref_con |
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REAL, dimension(klon) :: u_zref_c, te_zref_c, temp_c, q_zref_c |
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REAL, dimension(klon) :: ok_pred, ok_corr |
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! REAL, dimension(klon) :: conv_te, conv_q |
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!------------------------------------------------------------------------- |
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DO i=1, knon |
|
72 |
speed(i)=SQRT(u1(i)**2+v1(i)**2) |
speed(i)=SQRT(u1(i)**2+v1(i)**2) |
73 |
ri1(i) = 0.0 |
ENDDO |
74 |
ENDDO |
|
75 |
! |
CALL coefcdrag(nsrf, speed(:knon), t1(:knon), q1(:knon), z1(:knon), & |
76 |
okri=.FALSE. |
psol(:knon), ts1, qsurf, rugos, cdram, cdrah) |
77 |
CALL coefcdrag(klon, knon, nsrf, zxli, & |
|
78 |
& speed, t1, q1, z1, psol, & |
! Star variables |
79 |
& ts1, qsurf, rugos, okri, ri1, & |
|
80 |
& cdram, cdrah, cdran, zri1, pref) |
DO i = 1, knon |
81 |
! |
tpot(i) = t1(i)* (psol(i)/pat1(i))**RKAPPA |
82 |
!---------Star variables---------------------------------------------------- |
ustar(i) = sqrt(cdram(i) * speed(i) * speed(i)) |
83 |
! |
zdte(i) = tpot(i) - ts1(i) |
84 |
DO i = 1, knon |
zdq(i) = max(q1(i), 0.0) - max(qsurf(i), 0.0) |
85 |
ri1(i) = zri1(i) |
|
86 |
tpot(i) = t1(i)* (psol(i)/pat1(i))**RKAPPA |
zdte(i) = sign(max(abs(zdte(i)), 1.e-10), zdte(i)) |
87 |
ustar(i) = sqrt(cdram(i) * speed(i) * speed(i)) |
|
88 |
zdte(i) = tpot(i) - ts1(i) |
testar(i) = (cdrah(i) * zdte(i) * speed(i))/ustar(i) |
89 |
zdq(i) = max(q1(i),0.0) - max(qsurf(i),0.0) |
qstar(i) = (cdrah(i) * zdq(i) * speed(i))/ustar(i) |
90 |
! |
lmon(i) = (ustar(i) * ustar(i) * tpot(i)) / (RKAR * RG * testar(i)) |
91 |
! |
ENDDO |
92 |
!IM BUG BUG BUG zdte(i) = max(zdte(i),1.e-10) |
|
93 |
zdte(i) = sign(max(abs(zdte(i)),1.e-10),zdte(i)) |
! First aproximation of variables at zref |
94 |
! |
zref = 2.0 |
95 |
testar(i) = (cdrah(i) * zdte(i) * speed(i))/ustar(i) |
CALL screenp(knon, speed, tpot, q1, ts1, qsurf, rugos, lmon, ustar, & |
96 |
qstar(i) = (cdrah(i) * zdq(i) * speed(i))/ustar(i) |
testar, qstar, zref, delu, delte, delq) |
97 |
lmon(i) = (ustar(i) * ustar(i) * tpot(i))/ & |
|
98 |
& (RKAR * RG * testar(i)) |
DO i = 1, knon |
99 |
ENDDO |
u_zref(i) = delu(i) |
100 |
! |
q_zref(i) = max(qsurf(i), 0.0) + delq(i) |
101 |
!----------First aproximation of variables at zref -------------------------- |
te_zref(i) = ts1(i) + delte(i) |
102 |
zref = 2.0 |
temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) |
103 |
CALL screenp(klon, knon, nsrf, speed, tpot, q1, & |
ENDDO |
104 |
& ts1, qsurf, rugos, lmon, & |
|
105 |
& ustar, testar, qstar, zref, & |
! Iteration of the variables at the reference level zref : |
106 |
& delu, delte, delq) |
! corrector calculation ; see Hess & McAvaney, 1995 |
107 |
! |
|
108 |
DO i = 1, knon |
DO n = 1, niter |
109 |
u_zref(i) = delu(i) |
CALL screenc(klon, knon, nsrf, u_zref, temp, q_zref, zref, ts1, & |
110 |
q_zref(i) = max(qsurf(i),0.0) + delq(i) |
qsurf, rugos, psol, ustar, testar, qstar, pref, delu, delte, delq) |
111 |
te_zref(i) = ts1(i) + delte(i) |
|
112 |
temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) |
DO i = 1, knon |
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q_zref_p(i) = q_zref(i) |
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! te_zref_p(i) = te_zref(i) |
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temp_p(i) = temp(i) |
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ENDDO |
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! |
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! Iteration of the variables at the reference level zref : corrector calculation ; see Hess & McAvaney, 1995 |
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! |
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DO n = 1, niter |
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! |
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okri=.TRUE. |
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CALL screenc(klon, knon, nsrf, zxli, & |
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& u_zref, temp, q_zref, zref, & |
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& ts1, qsurf, rugos, psol, & |
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& ustar, testar, qstar, okri, ri1, & |
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& pref, delu, delte, delq) |
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! |
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DO i = 1, knon |
|
113 |
u_zref(i) = delu(i) |
u_zref(i) = delu(i) |
114 |
q_zref(i) = delq(i) + max(qsurf(i),0.0) |
q_zref(i) = delq(i) + max(qsurf(i), 0.0) |
115 |
te_zref(i) = delte(i) + ts1(i) |
te_zref(i) = delte(i) + ts1(i) |
116 |
! |
|
117 |
! return to normal temperature |
! return to normal temperature |
|
! |
|
118 |
temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) |
temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) |
119 |
! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & |
ENDDO |
120 |
! (1 + RVTMP2 * max(q_zref(i),0.0)) |
ENDDO |
121 |
! |
|
122 |
!IM +++ |
! verifier le critere de convergence : 0.25% pour te_zref et 5% pour qe_zref |
123 |
! IF(temp(i).GT.350.) THEN |
|
124 |
! WRITE(*,*) 'temp(i) GT 350 K !!',i,nsrf,temp(i) |
DO i = 1, knon |
125 |
! ENDIF |
t_2m(i) = temp(i) |
126 |
!IM --- |
q_2m(i) = q_zref(i) |
127 |
! |
ENDDO |
128 |
IF(n.EQ.ncon) THEN |
|
129 |
te_zref_con(i) = te_zref(i) |
! First aproximation of variables at zref |
130 |
q_zref_con(i) = q_zref(i) |
|
131 |
ENDIF |
zref = 10. |
132 |
! |
CALL screenp(knon, speed, tpot, q1, ts1, qsurf, rugos, lmon, ustar, & |
133 |
ENDDO |
testar, qstar, zref, delu, delte, delq) |
134 |
! |
|
135 |
ENDDO |
DO i = 1, knon |
136 |
! |
u_zref(i) = delu(i) |
137 |
! verifier le critere de convergence : 0.25% pour te_zref et 5% pour qe_zref |
q_zref(i) = max(qsurf(i), 0.0) + delq(i) |
138 |
! |
te_zref(i) = ts1(i) + delte(i) |
139 |
! DO i = 1, knon |
temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) |
140 |
! conv_te(i) = (te_zref(i) - te_zref_con(i))/te_zref_con(i) |
ENDDO |
141 |
! conv_q(i) = (q_zref(i) - q_zref_con(i))/q_zref_con(i) |
|
142 |
!IM +++ |
! Iteration of the variables at the reference level zref: |
143 |
! IF(abs(conv_te(i)).GE.0.0025.AND.abs(conv_q(i)).GE.0.05) THEN |
! corrector ; see Hess & McAvaney, 1995 |
144 |
! PRINT*,'DIV','i=',i,te_zref_con(i),te_zref(i),conv_te(i), & |
|
145 |
! q_zref_con(i),q_zref(i),conv_q(i) |
DO n = 1, niter |
146 |
! ENDIF |
CALL screenc(klon, knon, nsrf, u_zref, temp, q_zref, zref, ts1, & |
147 |
!IM --- |
qsurf, rugos, psol, ustar, testar, qstar, pref, delu, delte, delq) |
148 |
! ENDDO |
|
149 |
! |
DO i = 1, knon |
|
DO i = 1, knon |
|
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q_zref_c(i) = q_zref(i) |
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temp_c(i) = temp(i) |
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! |
|
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! IF(zri1(i).LT.0.) THEN |
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! IF(nsrf.EQ.1) THEN |
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! ok_pred(i)=1. |
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! ok_corr(i)=0. |
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! ELSE |
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! ok_pred(i)=0. |
|
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! ok_corr(i)=1. |
|
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! ENDIF |
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! ELSE |
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! ok_pred(i)=0. |
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! ok_corr(i)=1. |
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! ENDIF |
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! |
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ok_pred(i)=0. |
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ok_corr(i)=1. |
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! |
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t_2m(i) = temp_p(i) * ok_pred(i) + temp_c(i) * ok_corr(i) |
|
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q_2m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) |
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!IM +++ |
|
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! IF(n.EQ.niter) THEN |
|
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! IF(t_2m(i).LT.t1(i).AND.t_2m(i).LT.ts1(i)) THEN |
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! PRINT*,' BAD t2m LT ',i,nsrf,t_2m(i),t1(i),ts1(i) |
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! ELSEIF(t_2m(i).GT.t1(i).AND.t_2m(i).GT.ts1(i)) THEN |
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! PRINT*,' BAD t2m GT ',i,nsrf,t_2m(i),t1(i),ts1(i) |
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! ENDIF |
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! ENDIF |
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!IM --- |
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ENDDO |
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! |
|
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! |
|
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!----------First aproximation of variables at zref -------------------------- |
|
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! |
|
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zref = 10.0 |
|
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CALL screenp(klon, knon, nsrf, speed, tpot, q1, & |
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& ts1, qsurf, rugos, lmon, & |
|
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& ustar, testar, qstar, zref, & |
|
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& delu, delte, delq) |
|
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! |
|
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DO i = 1, knon |
|
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u_zref(i) = delu(i) |
|
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q_zref(i) = max(qsurf(i),0.0) + delq(i) |
|
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te_zref(i) = ts1(i) + delte(i) |
|
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temp(i) = te_zref(i) * (psol(i)/pat1(i))**(-RKAPPA) |
|
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! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & |
|
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! (1 + RVTMP2 * max(q_zref(i),0.0)) |
|
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u_zref_p(i) = u_zref(i) |
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ENDDO |
|
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! |
|
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! Iteration of the variables at the reference level zref : corrector ; see Hess & McAvaney, 1995 |
|
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! |
|
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DO n = 1, niter |
|
|
! |
|
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okri=.TRUE. |
|
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CALL screenc(klon, knon, nsrf, zxli, & |
|
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& u_zref, temp, q_zref, zref, & |
|
|
& ts1, qsurf, rugos, psol, & |
|
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& ustar, testar, qstar, okri, ri1, & |
|
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& pref, delu, delte, delq) |
|
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! |
|
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DO i = 1, knon |
|
150 |
u_zref(i) = delu(i) |
u_zref(i) = delu(i) |
151 |
q_zref(i) = delq(i) + max(qsurf(i),0.0) |
q_zref(i) = delq(i) + max(qsurf(i), 0.0) |
152 |
te_zref(i) = delte(i) + ts1(i) |
te_zref(i) = delte(i) + ts1(i) |
153 |
temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) |
temp(i) = te_zref(i) * (psol(i)/pref(i))**(-RKAPPA) |
154 |
! temp(i) = te_zref(i) - (zref* RG)/RCPD/ & |
ENDDO |
155 |
! (1 + RVTMP2 * max(q_zref(i),0.0)) |
ENDDO |
156 |
ENDDO |
|
157 |
! |
DO i = 1, knon |
158 |
ENDDO |
wind10m(i) = u_zref(i) |
159 |
! |
t_10m(i) = temp(i) |
160 |
DO i = 1, knon |
q_10m(i) = q_zref(i) |
161 |
u_zref_c(i) = u_zref(i) |
ENDDO |
162 |
! |
|
163 |
u_10m(i) = u_zref_p(i) * ok_pred(i) + u_zref_c(i) * ok_corr(i) |
END subroutine stdlevvar |
164 |
! |
|
165 |
!AM |
end module stdlevvar_m |
|
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) |
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q_10m(i) = q_zref_p(i) * ok_pred(i) + q_zref_c(i) * ok_corr(i) |
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!MA |
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ENDDO |
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! |
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RETURN |
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END subroutine stdlevvar |
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