source: LMDZ6/trunk/libf/phylmd/cv3_enthalpmix.f90

Last change on this file was 5276, checked in by abarral, 31 hours ago

Turn cvthermo.h into a module

File size: 7.3 KB
Line 
1SUBROUTINE cv3_enthalpmix(len, nd, iflag, plim1, plim2, p, ph, &
2                       t, q, u, v, w, &
3                       wi, nk, tmix, thmix, qmix, qsmix, umix, vmix, plcl)
4  ! **************************************************************
5  ! *
6  ! CV3_ENTHALPMIX   Brassage adiabatique d'une couche d'epaisseur *
7  ! arbitraire.                                   *
8  ! *
9  ! written by   : Grandpeix Jean-Yves, 28/12/2001, 13.14.24    *
10  ! modified by :  Filiberti M-A 06/2005 vectorisation          *
11  ! **************************************************************
12
13  USE cvthermo_mod_h, ONLY: cpd, cpv, cl, ci, rrv, rrd, lv0, lf0, g, rowl, t0, clmcpv, clmcpd, cpdmcp, cpvmcpd, cpvmcl  &
14          , clmci, eps, epsi, epsim1, ginv, hrd, grav
15  USE yomcst_mod_h, ONLY: RPI, RCLUM, RHPLA, RKBOL, RNAVO                   &
16          , RDAY, REA, REPSM, RSIYEA, RSIDAY, ROMEGA                  &
17          , R_ecc, R_peri, R_incl                                      &
18          , RA, RG, R1SA                                         &
19          , RSIGMA                                                     &
20          , R, RMD, RMV, RD, RV, RCPD                    &
21          , RMO3, RMCO2, RMC, RMCH4, RMN2O, RMCFC11, RMCFC12        &
22          , RCPV, RCVD, RCVV, RKAPPA, RETV, eps_w                    &
23          , RCW, RCS                                                 &
24          , RLVTT, RLSTT, RLMLT, RTT, RATM                           &
25          , RESTT, RALPW, RBETW, RGAMW, RALPS, RBETS, RGAMS            &
26          , RALPD, RBETD, RGAMD
27IMPLICIT NONE
28  ! ==============================================================
29
30  ! vertmix : determines theta, t, q, qs, u and v of the mixture generated by
31  ! adiabatic mixing of air between plim1 and plim2 with weighting w.
32  ! If plim1 and plim2 fall within the same model layer, then theta, ... v
33  ! are those of that layer.
34  ! A minimum value (dpmin) is imposed upon plim1-plim2
35
36  ! ===============================================================
37
38  include "YOETHF.h"
39
40  include "FCTTRE.h"
41!inputs:
42  INTEGER, INTENT (IN)                      :: nd, len
43  INTEGER, DIMENSION (len), INTENT (IN)     :: nk
44  REAL, DIMENSION (len), INTENT (IN)        :: plim1, plim2
45  REAL, DIMENSION (len,nd), INTENT (IN)     :: t, q
46  REAL, DIMENSION (len,nd), INTENT (IN)     :: u, v
47  REAL, DIMENSION (nd), INTENT (IN)         :: w
48  REAL, DIMENSION (len,nd), INTENT (IN)     :: p
49  REAL, DIMENSION (len,nd+1), INTENT (IN)   :: ph
50!input/output:
51  INTEGER, DIMENSION (len), INTENT (INOUT)  ::  iflag
52!outputs:
53  REAL, DIMENSION (len), INTENT (OUT)       :: tmix, thmix, qmix
54  REAL, DIMENSION (len), INTENT (OUT)       :: umix, vmix
55  REAL, DIMENSION (len), INTENT (OUT)       :: qsmix
56  REAL, DIMENSION (len), INTENT (OUT)       :: plcl
57  REAL, DIMENSION (len,nd), INTENT (OUT)    :: wi
58!internal variables :
59  INTEGER i, j
60  INTEGER niflag7
61  INTEGER, DIMENSION(len)                   :: j1, j2
62  REAL                                      :: a, b
63  REAL                                      :: cpn
64  REAL                                      :: x, y, p0, p0m1, zdelta, zcor
65  REAL, SAVE                                :: dpmin=1.
66!$OMP THREADPRIVATE(dpmin)
67  REAL, DIMENSION(len)                      :: plim2p  ! = min(plim2(:),plim1(:)-dpmin)
68  REAL, DIMENSION(len)                      :: akm     ! mixture enthalpy
69  REAL, DIMENSION(len)                      :: dpw, coef
70  REAL, DIMENSION(len)                      :: rdcp, a2, b2, pnk
71  REAL, DIMENSION(len)                      :: rh, chi
72  REAL, DIMENSION(len)                      :: eqwght
73  REAL, DIMENSION(len,nd)                   :: p1, p2
74
75
76!!  print *,' ->cv3_vertmix, plim1,plim2 ', plim1,plim2   !jyg
77  plim2p(:) = min(plim2(:),plim1(:)-dpmin)
78  j1(:)=nd
79  j2(:) = 0
80  DO j = 1, nd
81    DO i = 1, len
82      IF (plim1(i)<=ph(i,j)) j1(i) = j
83!!!      IF (plim2p(i)>=ph(i,j+1) .AND. plim2p(i)<ph(i,j)) j2(i) = j
84      IF (plim2p(i)< ph(i,j)) j2(i) = j
85    END DO
86  END DO
87
88  DO j = 1, nd
89    DO i = 1, len
90      wi(i, j) = 0.
91    END DO
92  END DO
93  DO i = 1, len
94    akm(i) = 0.
95    qmix(i) = 0.
96    umix(i) = 0.
97    vmix(i) = 0.
98    dpw(i) = 0.
99    a2(i) = 0.0
100    b2(i) = 0.
101    pnk(i) = p(i, nk(i))
102  END DO
103  eqwght(:) = 0.
104
105  p0 = 1000.
106  p0m1 = 1./p0
107
108  DO i = 1, len
109    IF (j2(i) < j1(i)) THEN
110      coef(i) = 1.
111      eqwght(i) = 1.
112    ELSE
113      coef(i) = 1./(plim1(i)-plim2p(i))
114    ENDIF
115  END DO
116
117!!  print *,'cv3_vertmix, j1,j2,coef ', j1,j2,coef  !jyg
118
119  DO j = 1, nd
120    DO i = 1, len
121      IF (j>=j1(i) .AND. j<=j2(i)) THEN
122        p1(i, j) = min(ph(i,j), plim1(i))
123        p2(i, j) = max(ph(i,j+1), plim2p(i))
124        ! CRtest:couplage thermiques: deja normalise
125        ! wi(i,j) = w(j)
126        ! print*,'wi',wi(i,j)
127        wi(i, j) = w(j)*(p1(i,j)-p2(i,j))*coef(i)+eqwght(i)
128        dpw(i) = dpw(i) + wi(i, j)
129
130!!  print *,'cv3_vertmix, j, wi(1,j),dpw ', j, wi(1,j),dpw  !jyg
131
132      END IF
133    END DO
134  END DO
135
136  ! CR:print
137  ! do i=1,len
138  ! print*,'plim',plim1(i),plim2p(i)
139  ! enddo
140  DO j = 1, nd
141    DO i = 1, len
142      IF (j>=j1(i) .AND. j<=j2(i)) THEN
143        wi(i, j) = wi(i, j)/dpw(i)
144        akm(i) = akm(i) + (cpd*(1.-q(i,j))+q(i,j)*cpv)*t(i, j)*wi(i, j)
145        qmix(i) = qmix(i) + q(i, j)*wi(i, j)
146        umix(i) = umix(i) + u(i, j)*wi(i, j)
147        vmix(i) = vmix(i) + v(i, j)*wi(i, j)
148      END IF
149    END DO
150  END DO
151
152  DO i = 1, len
153    rdcp(i) = (rrd*(1.-qmix(i))+qmix(i)*rrv)/(cpd*(1.-qmix(i))+qmix(i)*cpv)
154  END DO
155
156
157!!  print *,'cv3_vertmix, rdcp ', rdcp  !jyg
158
159
160
161  DO j = 1, nd
162    DO i = 1, len
163      IF (j>=j1(i) .AND. j<=j2(i)) THEN
164        ! c            x=(.5*(p1(i,j)+p2(i,j))*p0m1)**rdcp(i)
165        y = (.5*(p1(i,j)+p2(i,j))/pnk(i))**rdcp(i)
166        ! c            a2(i)=a2(i)+(cpd*(1.-qmix(i))+qmix(i)*cpv)*x*wi(i,j)
167        b2(i) = b2(i) + (cpd*(1.-qmix(i))+qmix(i)*cpv)*y*wi(i, j)
168      END IF
169    END DO
170  END DO
171
172  DO i = 1, len
173    tmix(i) = akm(i)/b2(i)
174    thmix(i) = tmix(i)*(p0/pnk(i))**rdcp(i)
175    ! print*,'thmix akm',akm(i),b2(i)
176    ! print*,'thmix t',tmix(i),p0
177    ! print*,'thmix p',pnk(i),rdcp(i)
178    ! print*,'thmix',thmix(i)
179    ! c         thmix(i) = akm(i)/a2(i)
180    ! c         tmix(i)= thmix(i)*(pnk(i)*p0m1)**rdcp(i)
181    zdelta = max(0., sign(1.,rtt-tmix(i)))
182    qsmix(i) = r2es*foeew(tmix(i), zdelta)/(pnk(i)*100.)
183    qsmix(i) = min(0.5, qsmix(i))
184    zcor = 1./(1.-retv*qsmix(i))
185    qsmix(i) = qsmix(i)*zcor
186  END DO
187
188  ! -------------------------------------------------------------------
189  ! --- Calculate lifted condensation level of air at parcel origin level
190  ! --- (Within 0.2% of formula of Bolton, MON. WEA. REV.,1980)
191  ! -------------------------------------------------------------------
192
193  a = 1669.0 ! convect3
194  b = 122.0 ! convect3
195
196
197  niflag7 = 0
198  DO i = 1, len
199
200    IF (iflag(i)/=7) THEN ! modif sb Jun7th 2002
201
202      rh(i) = qmix(i)/qsmix(i)
203      chi(i) = tmix(i)/(a-b*rh(i)-tmix(i)) ! convect3
204      ! ATTENTION, la LIGNE DESSOUS A ETE RAJOUTEE ARBITRAIREMENT ET
205      ! MASQUE UN PB POTENTIEL
206      chi(i) = max(chi(i), 0.)
207      rh(i) = max(rh(i), 0.)
208      plcl(i) = pnk(i)*(rh(i)**chi(i))
209      IF (((plcl(i)<200.0) .OR. (plcl(i)>=2000.0)) .AND. (iflag(i)==0)) &
210          iflag(i) = 8
211
212    ELSE
213
214      niflag7 = niflag7 + 1
215      plcl(i) = plim2p(i)
216
217    END IF ! iflag=7
218
219    ! print*,'NIFLAG7  =',niflag7
220
221  END DO
222
223!!  print *,' cv3_vertmix->'  !jyg
224
225
226  RETURN
227END SUBROUTINE cv3_enthalpmix
228
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