source: LMDZ5/branches/IPSLCM5A2.1/libf/phylmd/tilft43.F90 @ 5416

Last change on this file since 5416 was 2197, checked in by Ehouarn Millour, 10 years ago

Added 'implicit none' statements and proper variable definitions where they were missing.
EM

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.2 KB
Line 
1
2! $Header$
3
4SUBROUTINE tlift43(p, t, q, qs, gz, icb, nk, tvp, tpk, clw, nd, nl, kk)
5  IMPLICIT NONE
6  REAL gz(nd), tpk(nd), clw(nd), p(nd)
7  REAL t(nd), q(nd), qs(nd), tvp(nd), lv0
8  INTEGER icb, nk, nd, nl, kk
9  REAL cpd, cpv,  cl, g, rowl, gravity, cpvmcl, eps, epsi
10  REAL ah0, cpp, cpinv, tg, qg, alv, s, ahg, tc, denom, es
11  INTEGER i, nst, nsb, j
12  ! ***   ASSIGN VALUES OF THERMODYNAMIC CONSTANTS     ***
13
14  ! -- sb:
15  ! !      CPD=1005.7
16  ! !      CPV=1870.0
17  ! !      CL=4190.0
18  ! !      RV=461.5
19  ! !      RD=287.04
20  ! !      LV0=2.501E6
21  ! !      G=9.8
22  ! !      ROWL=1000.0
23  ! ajouts:
24  include "YOMCST.h"
25  cpd = rcpd
26  cpv = rcpv
27  cl = rcw
28  lv0 = rlvtt
29  g = rg
30  rowl = ratm/100.
31  gravity = rg !sb: Pr que gravite ne devienne pas humidite!
32  ! sb --
33
34  cpvmcl = cl - cpv
35  eps = rd/rv
36  epsi = 1./eps
37
38  ! ***  CALCULATE CERTAIN PARCEL QUANTITIES, INCLUDING STATIC ENERGY   ***
39
40  ah0 = (cpd*(1.-q(nk))+cl*q(nk))*t(nk) + q(nk)*(lv0-cpvmcl*(t(nk)-273.15)) + &
41    gz(nk)
42  cpp = cpd*(1.-q(nk)) + q(nk)*cpv
43  cpinv = 1./cpp
44
45  IF (kk==1) THEN
46
47    ! ***   CALCULATE LIFTED PARCEL QUANTITIES BELOW CLOUD BASE   ***
48
49    DO i = 1, icb - 1
50      clw(i) = 0.0
51    END DO
52    DO i = nk, icb - 1
53      tpk(i) = t(nk) - (gz(i)-gz(nk))*cpinv
54      tvp(i) = tpk(i)*(1.+q(nk)*epsi)
55    END DO
56  END IF
57
58  ! ***  FIND LIFTED PARCEL QUANTITIES ABOVE CLOUD BASE    ***
59
60  nst = icb
61  nsb = icb
62  IF (kk==2) THEN
63    nst = nl
64    nsb = icb + 1
65  END IF
66  DO i = nsb, nst
67    tg = t(i)
68    qg = qs(i)
69    alv = lv0 - cpvmcl*(t(i)-273.15)
70    DO j = 1, 2
71      s = cpd + alv*alv*qg/(rv*t(i)*t(i))
72      s = 1./s
73      ahg = cpd*tg + (cl-cpd)*q(nk)*t(i) + alv*qg + gz(i)
74      tg = tg + s*(ah0-ahg)
75      tg = max(tg, 35.0)
76      tc = tg - 273.15
77      denom = 243.5 + tc
78      IF (tc>=0.0) THEN
79        es = 6.112*exp(17.67*tc/denom)
80      ELSE
81        es = exp(23.33086-6111.72784/tg+0.15215*log(tg))
82      END IF
83      qg = eps*es/(p(i)-es*(1.-eps))
84    END DO
85    alv = lv0 - cpvmcl*(t(i)-273.15)
86    tpk(i) = (ah0-(cl-cpd)*q(nk)*t(i)-gz(i)-alv*qg)/cpd
87    clw(i) = q(nk) - qg
88    clw(i) = max(0.0, clw(i))
89    rg = qg/(1.-q(nk))
90    tvp(i) = tpk(i)*(1.+rg*epsi)
91  END DO
92
93  ! -- sb:
94  rg = gravity ! RG redevient la gravite de YOMCST (sb)
95  ! sb --
96
97  RETURN
98END SUBROUTINE tlift43
99
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