source: LMDZ6/branches/cirrus/libf/phylmd/borne_var_surf.F90 @ 5409

Last change on this file since 5409 was 3489, checked in by musat, 6 years ago

Ajout bornage a 2m

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1SUBROUTINE borne_var_surf(klon,klev,nbsrf,                   &
2         iflag_bug_t2m_stab_ipslcm61,                        &
3         t1,q1,u1,v1,                                        &
4         ftsol, qsurf, pctsrf, paprs,                        &
5         t2m, q2m, u10m, v10m,                               &
6         zt2m_cor, zq2m_cor, zu10m_cor, zv10m_cor,           &
7         zrh2m_cor, zqsat2m_cor)
8
9IMPLICIT NONE
10
11!==================================================================
12! Declarations
13!==================================================================
14
15! arguments
16INTEGER klon,klev,nbsrf,iflag_bug_t2m_stab_ipslcm61
17REAL,DIMENSION(klon),INTENT(IN) :: t1, q1, u1, v1
18REAL,DIMENSION(klon,nbsrf),INTENT(IN) :: t2m, q2m, u10m, v10m
19REAL,DIMENSION(klon,nbsrf),INTENT(IN) :: ftsol, pctsrf
20REAL,DIMENSION(klon,klev+1),INTENT(IN) :: paprs
21REAL,DIMENSION(klon),INTENT(IN) :: qsurf
22REAL,DIMENSION (klon),INTENT(OUT) :: zt2m_cor, zq2m_cor, zu10m_cor, zv10m_cor
23REAL,DIMENSION (klon),INTENT(OUT)  :: zrh2m_cor, zqsat2m_cor
24
25
26! local
27INTEGER i,nsrf
28REAL,DIMENSION (klon,nbsrf) :: t2m_cor, q2m_cor, u10m_cor, v10m_cor
29REAL                               :: zx_qs1, zcor1, zdelta1
30include "YOMCST.h"
31include "YOETHF.h"
32include "FCTTRE.h"
33!==================================================================
34! Correction of sub surface variables
35!==================================================================
36
37zrh2m_cor=0.
38zqsat2m_cor=0.
39
40DO nsrf=1,nbsrf
41   DO i=1,klon
42    t2m_cor(i,nsrf)=t2m(i,nsrf)
43    q2m_cor(i,nsrf)=q2m(i,nsrf)
44    u10m_cor(i,nsrf)=u10m(i,nsrf)
45    v10m_cor(i,nsrf)=v10m(i,nsrf)
46     IF(iflag_bug_t2m_stab_ipslcm61.EQ.-2.AND.q2m(i,nsrf).LT.0.) THEN
47      t2m_cor(i,nsrf)=MIN(t2m(i,nsrf),MAX(t1(i),ftsol(i,nsrf)))
48      t2m_cor(i,nsrf)=MAX(t2m_cor(i,nsrf),MIN(t1(i),ftsol(i,nsrf)))
49      q2m_cor(i,nsrf)=MIN(q2m(i,nsrf),MAX(q1(i),qsurf(i)))
50      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),MIN(q1(i),qsurf(i)))
51      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),0.)
52      u10m_cor(i,nsrf)=SIGN(MIN(ABS(u1(i)),ABS(u10m(i,nsrf))),u1(i))
53      v10m_cor(i,nsrf)=SIGN(MIN(ABS(v1(i)),ABS(v10m(i,nsrf))),v1(i))
54     ELSEIF(iflag_bug_t2m_stab_ipslcm61.EQ.-1.AND.(ftsol(i,nsrf).LE.t1(i).OR.q2m(i,nsrf).LT.0.)) THEN
55      t2m_cor(i,nsrf)=MIN(t2m(i,nsrf),MAX(t1(i),ftsol(i,nsrf)))
56      t2m_cor(i,nsrf)=MAX(t2m_cor(i,nsrf),MIN(t1(i),ftsol(i,nsrf)))
57      q2m_cor(i,nsrf)=MIN(q2m(i,nsrf),MAX(q1(i),qsurf(i)))
58      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),MIN(q1(i),qsurf(i)))
59      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),0.)
60      u10m_cor(i,nsrf)=SIGN(MIN(ABS(u1(i)),ABS(u10m(i,nsrf))),u1(i))
61      v10m_cor(i,nsrf)=SIGN(MIN(ABS(v1(i)),ABS(v10m(i,nsrf))),v1(i))
62     ELSEIF(iflag_bug_t2m_stab_ipslcm61.EQ.1.AND.ftsol(i,nsrf).LE.t1(i)) THEN
63      t2m_cor(i,nsrf)=MIN(t2m(i,nsrf),MAX(t1(i),ftsol(i,nsrf)))
64      t2m_cor(i,nsrf)=MAX(t2m_cor(i,nsrf),MIN(t1(i),ftsol(i,nsrf)))
65      q2m_cor(i,nsrf)=MIN(q2m(i,nsrf),MAX(q1(i),qsurf(i)))
66      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),MIN(q1(i),qsurf(i)))
67      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),0.)
68      u10m_cor(i,nsrf)=SIGN(MIN(ABS(u1(i)),ABS(u10m(i,nsrf))),u1(i))
69      v10m_cor(i,nsrf)=SIGN(MIN(ABS(v1(i)),ABS(v10m(i,nsrf))),v1(i))
70     ELSEIF(iflag_bug_t2m_stab_ipslcm61.EQ.0) THEN
71      t2m_cor(i,nsrf)=MIN(t2m(i,nsrf),MAX(t1(i),ftsol(i,nsrf)))
72      t2m_cor(i,nsrf)=MAX(t2m_cor(i,nsrf),MIN(t1(i),ftsol(i,nsrf)))
73      q2m_cor(i,nsrf)=MIN(q2m(i,nsrf),MAX(q1(i),qsurf(i)))
74      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),MIN(q1(i),qsurf(i)))
75      q2m_cor(i,nsrf)=MAX(q2m_cor(i,nsrf),0.)
76      u10m_cor(i,nsrf)=SIGN(MIN(ABS(u1(i)),ABS(u10m(i,nsrf))),u1(i))
77      v10m_cor(i,nsrf)=SIGN(MIN(ABS(v1(i)),ABS(v10m(i,nsrf))),v1(i))
78     ENDIF
79!!!
80     zdelta1 = MAX(0.,SIGN(1., rtt-t2m_cor(i,nsrf) ))
81     zx_qs1  = r2es * FOEEW(t2m_cor(i,nsrf),zdelta1)/paprs(i,1)
82     zx_qs1  = MIN(0.5,zx_qs1)
83     zcor1   = 1./(1.-RETV*zx_qs1)
84     zx_qs1  = zx_qs1*zcor1
85     zrh2m_cor(i) = zrh2m_cor(i) + q2m_cor(i,nsrf)/zx_qs1 * pctsrf(i,nsrf)
86     zqsat2m_cor(i) = zqsat2m_cor(i) + zx_qs1  * pctsrf(i,nsrf)
87!!!
88   ENDDO
89ENDDO
90
91!==================================================================
92! Agregation of sub surfaces
93!==================================================================
94
95zt2m_cor=0.
96zq2m_cor=0.
97zu10m_cor=0.
98zv10m_cor=0.
99DO nsrf = 1, nbsrf
100   DO i = 1, klon
101      zt2m_cor(i)  = zt2m_cor(i)  + t2m_cor(i,nsrf)  * pctsrf(i,nsrf)
102      zq2m_cor(i)  = zq2m_cor(i)  + q2m_cor(i,nsrf)  * pctsrf(i,nsrf)
103      zu10m_cor(i) = zu10m_cor(i) + u10m_cor(i,nsrf) * pctsrf(i,nsrf)
104      zv10m_cor(i) = zv10m_cor(i) + v10m_cor(i,nsrf) * pctsrf(i,nsrf)
105   ENDDO
106ENDDO
107
108RETURN
109END
110
111
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