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cv3p_mixing.F90 @ 5225

Last change on this file since 5225 was 5160, checked in by abarral, 3 months ago
Put .h into modules
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: 25.3 KB

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1	SUBROUTINE cv3p_mixing(nloc, ncum, nd, na, ntra, icb, nk, inb, &
2	ph, t, rr, rs, u, v, tra, h, lv, lf, frac, qta, &
3	unk, vnk, hp, tv, tvp, ep, clw, sig, &
4	Ment, Qent, hent, uent, vent, nent, &
5	Sigij, elij, supmax, Ments, Qents, traent)
6	! **************************************************************
7	! *
8	! CV3P_MIXING : compute mixed draught properties and, *
9	! within a scaling factor, mixed draught *
10	! mass fluxes. *
11	! written by : VTJ Philips,JY Grandpeix, 21/05/2003, 09.14.15*
12	! modified by : *
13	! **************************************************************
14
15	USE lmdz_print_control, ONLY: mydebug=>debug , lunout, prt_level
16	USE lmdz_ioipsl_getin_p, ONLY: getin_p
17	USE add_phys_tend_mod, ONLY: fl_cor_ebil
18	USE lmdz_cvflag
19	USE lmdz_cvthermo
20	USE lmdz_cv3param
21	USE lmdz_yomcst2
22
23	IMPLICIT NONE
24
25	!inputs:
26	INTEGER, INTENT (IN) :: ncum, nd, na
27	INTEGER, INTENT (IN) :: ntra, nloc
28	INTEGER, DIMENSION (nloc), INTENT (IN) :: icb, inb, nk
29	REAL, DIMENSION (nloc, nd), INTENT (IN) :: sig
30	REAL, DIMENSION (nloc), INTENT (IN) :: unk, vnk
31	REAL, DIMENSION (nloc, nd), INTENT (IN) :: qta
32	REAL, DIMENSION (nloc, nd+1), INTENT (IN) :: ph
33	REAL, DIMENSION (nloc, nd), INTENT (IN) :: t, rr, rs
34	REAL, DIMENSION (nloc, nd), INTENT (IN) :: u, v
35	REAL, DIMENSION (nloc, nd, ntra), INTENT (IN) :: tra ! input of convect3
36	REAL, DIMENSION (nloc, na), INTENT (IN) :: lv
37	REAL, DIMENSION (nloc, na), INTENT (IN) :: lf
38	REAL, DIMENSION (nloc, na), INTENT (IN) :: frac !ice fraction in condensate
39	REAL, DIMENSION (nloc, na), INTENT (IN) :: h !liquid water static energy of environment
40	REAL, DIMENSION (nloc, na), INTENT (IN) :: hp !liquid water static energy of air shed from adiab. asc.
41	REAL, DIMENSION (nloc, na), INTENT (IN) :: tv, tvp
42	REAL, DIMENSION (nloc, na), INTENT (IN) :: ep, clw
43
44	!outputs:
45	REAL, DIMENSION (nloc, na, na), INTENT (OUT) :: Ment, Qent
46	REAL, DIMENSION (nloc, na, na), INTENT (OUT) :: uent, vent
47	REAL, DIMENSION (nloc, na, na), INTENT (OUT) :: Sigij, elij
48	REAL, DIMENSION (nloc, na), INTENT (OUT) :: supmax ! Highest mixing fraction of mixed
49	! updraughts with the sign of (h-hp)
50	REAL, DIMENSION (nloc, nd, nd, ntra), INTENT (OUT) :: traent
51	REAL, DIMENSION (nloc, nd, nd), INTENT (OUT) :: Ments, Qents
52	REAL, DIMENSION (nloc, nd, nd), INTENT (OUT) :: hent
53	INTEGER, DIMENSION (nloc, nd), INTENT (OUT) :: nent
54
55	!local variables:
56	INTEGER i, j, k, il, im, jm
57	INTEGER num1, num2
58	REAL :: rti, bf2, anum, denom, dei, altem, cwat, stemp
59	REAL :: alt, delp, delm
60	REAL, DIMENSION (nloc) :: Qmixmax, Rmixmax, sqmrmax
61	REAL, DIMENSION (nloc) :: Qmixmin, Rmixmin, sqmrmin
62	REAL, DIMENSION (nloc) :: signhpmh
63	REAL, DIMENSION (nloc) :: Sx
64	REAL :: Scrit2
65	REAL, DIMENSION (nloc) :: Smid, Sjmin, Sjmax
66	REAL, DIMENSION (nloc) :: Sbef, sup, smin
67	REAL, DIMENSION (nloc) :: ASij, ASij_inv, smax, Scrit
68	REAL, DIMENSION (nloc, nd, nd) :: Sij
69	REAL, DIMENSION (nloc, nd) :: csum
70	REAL :: awat
71	REAL :: cpm !Mixed draught heat capacity
72	REAL :: Tm !Mixed draught temperature
73	LOGICAL, DIMENSION (nloc) :: lwork
74
75	REAL amxupcrit, df, ff
76	INTEGER nstep
77
78	INTEGER,SAVE :: igout=1
79	!$OMP THREADPRIVATE(igout)
80
81	! -- Mixing probability distribution functions
82
83	REAL Qcoef1, Qcoef2, QFF, QFFF, Qmix, Rmix, Qmix1, Rmix1, Qmix2, Rmix2, F
84
85	Qcoef1(F) = tanh(F/gammas)
86	Qcoef2(F) = (tanh(F/gammas)+gammas*log(cosh((1.-F)/gammas)/cosh(F/gammas)))
87	QFF(F) = max(min(F,1.), 0.)
88	QFFf(F) = min(QFF(F), scut)
89	Qmix1(F) = (tanh((QFF(F)-Fmax)/gammas)+Qcoef1max)/Qcoef2max
90	Rmix1(F) = (gammaslog(cosh((QFF(F)-Fmax)/gammas))+QFF(F)Qcoef1max)/Qcoef2max
91	Qmix2(F) = -log(1.-QFFf(F))/scut
92	Rmix2(F) = (QFFf(F)+(1.-QFF(F))*log(1.-QFFf(F)))/scut
93	Qmix(F) = qqa1Qmix1(F) + qqa2Qmix2(F)
94	Rmix(F) = qqa1Rmix1(F) + qqa2Rmix2(F)
95
96	INTEGER, SAVE :: ifrst
97	DATA ifrst/0/
98	!$OMP THREADPRIVATE(ifrst)
99
100
101	! =====================================================================
102	! --- INITIALIZE VARIOUS ARRAYS USED IN THE COMPUTATIONS
103	! =====================================================================
104
105	! -- Initialize mixing PDF coefficients
106	IF (ifrst==0) THEN
107	ifrst = 1
108	Qcoef1max = Qcoef1(Fmax)
109	Qcoef2max = Qcoef2(Fmax)
110	!<jyg
111	PRINT*, 'fmax, gammas, qqa1, qqa2, Qcoef1max, Qcoef2max ', &
112	fmax, gammas, qqa1, qqa2, Qcoef1max, Qcoef2max
113	!>jyg
114
115	END IF
116
117
118	! ori do 360 i=1,ncum*nlp
119	DO j = 1, nl
120	DO i = 1, ncum
121	nent(i, j) = 0
122	! in convect3, m is computed in cv3_closure
123	! ori m(i,1)=0.0
124	END DO
125	END DO
126
127	! ori do 400 k=1,nlp
128	! ori do 390 j=1,nlp
129	DO j = 1, nl
130	DO k = 1, nl
131	DO i = 1, ncum
132	Qent(i, k, j) = rr(i, j)
133	uent(i, k, j) = u(i, j)
134	vent(i, k, j) = v(i, j)
135	elij(i, k, j) = 0.0
136	hent(i, k, j) = 0.0
137	!AC! Ment(i,k,j)=0.0
138	!AC! Sij(i,k,j)=0.0
139	END DO
140	END DO
141	END DO
142
143	!AC!
144	Ment(1:ncum, 1:nd, 1:nd) = 0.0
145	Sij(1:ncum, 1:nd, 1:nd) = 0.0
146	!AC!
147	!ym
148	Sigij(1:ncum, 1:nd, 1:nd) = 0.0
149	!ym
150
151	!jyg! DO k = 1, ntra
152	!jyg! DO j = 1, nd ! instead nlp
153	!jyg! DO i = 1, nd ! instead nlp
154	!jyg! DO il = 1, ncum
155	!jyg! traent(il, i, j, k) = tra(il, j, k)
156	!jyg! END DO
157	!jyg! END DO
158	!jyg! END DO
159	!jyg! END DO
160
161	! =====================================================================
162	! --- CALCULATE ENTRAINED AIR MASS FLUX (Ment), TOTAL WATER MIXING
163	! --- RATIO (QENT), TOTAL CONDENSED WATER (elij), AND MIXING
164	! --- FRACTION (Sij)
165	! =====================================================================
166
167	DO i = minorig + 1, nl
168
169	IF (ok_entrain) THEN
170	DO j = minorig, nl
171	DO il = 1, ncum
172	IF ((i>=icb(il)) .AND. (i<=inb(il)) .AND. (j>=(icb(il)-1)) &
173	.AND. (j<=inb(il))) THEN
174
175	!! rti = qnk(il) - ep(il, i)*clw(il, i)
176	rti = qta(il,i-1) - ep(il, i)*clw(il, i)
177	bf2 = 1. + lv(il, j)lv(il, j)rs(il, j)/(rrvt(il,j)t(il,j)*cpd)
178	!jyg(from aj)<
179	IF (cvflag_ice) THEN
180	! PRINT*,cvflag_ice,'cvflag_ice dans do 700'
181	IF (t(il,j)<=263.15) THEN
182	bf2 = 1. + (lf(il,j)+lv(il,j))(lv(il,j)+frac(il,j) &
183	lf(il,j))rs(il, j)/(rrvt(il,j)t(il,j)cpd)
184	END IF
185	END IF
186	!>jyg
187	anum = h(il, j) - hp(il, i) + (cpv-cpd)t(il, j)(rti-rr(il,j))
188	denom = h(il, i) - hp(il, i) + (cpd-cpv)(rr(il,i)-rti)t(il, j)
189	dei = denom
190	IF (abs(dei)<0.01) dei = 0.01
191	Sij(il, i, j) = anum/dei
192	Sij(il, i, i) = 1.0
193	altem = Sij(il, i, j)rr(il, i) + (1.-Sij(il,i,j))rti - rs(il, j)
194	altem = altem/bf2
195	cwat = clw(il, j)*(1.-ep(il,j))
196	stemp = Sij(il, i, j)
197	IF ((stemp<0.0 .OR. stemp>1.0 .OR. altem>cwat) .AND. j>i) THEN
198	!jyg(from aj)<
199	IF (cvflag_ice) THEN
200	anum = anum - (lv(il,j)+frac(il,j)lf(il,j))(rti-rs(il,j)-cwat*bf2)
201	denom = denom + (lv(il,j)+frac(il,j)lf(il,j))(rr(il,i)-rti)
202	ELSE
203	anum = anum - lv(il, j)(rti-rs(il,j)-cwatbf2)
204	denom = denom + lv(il, j)*(rr(il,i)-rti)
205	END IF
206	!>jyg
207	IF (abs(denom)<0.01) denom = 0.01
208	Sij(il, i, j) = anum/denom
209	altem = Sij(il, i, j)rr(il, i) + (1.-Sij(il,i,j))rti - rs(il, j)
210	altem = altem - (bf2-1.)*cwat
211	END IF
212	IF (Sij(il,i,j)>0.0) THEN
213	!!! Ment(il,i,j)=m(il,i)
214	Ment(il, i, j) = 1.
215	elij(il, i, j) = altem
216	elij(il, i, j) = amax1(0.0, elij(il,i,j))
217	nent(il, i) = nent(il, i) + 1
218	END IF
219
220	Sij(il, i, j) = amax1(0.0, Sij(il,i,j))
221	Sij(il, i, j) = amin1(1.0, Sij(il,i,j))
222	ELSE IF (j > i) THEN
223	IF (prt_level >= 10) THEN
224	PRINT *,'cv3p_mixing i, j, Sij given by the no-precip eq. ', i, j, Sij(il,i,j)
225	ENDIF
226	END IF ! new
227	END DO
228	END DO
229	ELSE ! (ok_entrain)
230	DO il = 1,ncum
231	nent(il,i) = 0
232	ENDDO
233	ENDIF ! (ok_entrain)
234
235	!jygdebug<
236	IF (prt_level >= 10) THEN
237	PRINT *,'cv3p_mixing i, nent(i), icb, inb ',i, nent(igout,i), icb(igout), inb(igout)
238	IF (nent(igout,i) > 0) THEN
239	PRINT *,'i,(j,Sij(i,j),j=icb-1,inb) ',i,(j,Sij(igout,i,j),j=icb(igout)-1,inb(igout))
240	ENDIF
241	ENDIF
242	!>jygdebug
243
244	! * if no air can entrain at level i assume that updraft detrains *
245	! * at that level and calculate detrained air flux and properties *
246
247
248	! @ do 170 i=icb(il),inb(il)
249
250	DO il = 1, ncum
251	IF ((i>=icb(il)) .AND. (i<=inb(il)) .AND. (nent(il,i)==0)) THEN
252	! @ IF(nent(il,i).EQ.0)THEN
253	!!! Ment(il,i,i)=m(il,i)
254	Ment(il, i, i) = 1.
255	!! Qent(il, i, i) = qnk(il) - ep(il, i)*clw(il, i)
256	Qent(il, i, i) = qta(il,i-1) - ep(il, i)*clw(il, i)
257	uent(il, i, i) = unk(il)
258	vent(il, i, i) = vnk(il)
259	IF (fl_cor_ebil >= 2) THEN
260	hent(il, i, i) = hp(il,i)
261	ENDIF
262	elij(il, i, i) = clw(il, i)*(1.-ep(il,i))
263	Sij(il, i, i) = 0.0
264	END IF
265	END DO
266	END DO ! i = minorig + 1, nl
267
268	!jyg! DO j = 1, ntra
269	!jyg! DO i = minorig + 1, nl
270	!jyg! DO il = 1, ncum
271	!jyg! IF (i>=icb(il) .AND. i<=inb(il) .AND. nent(il,i)==0) THEN
272	!jyg! traent(il, i, i, j) = tra(il, nk(il), j)
273	!jyg! END IF
274	!jyg! END DO
275	!jyg! END DO
276	!jyg! END DO
277
278	DO j = minorig, nl
279	DO i = minorig, nl
280	DO il = 1, ncum
281	IF ((j>=(icb(il)-1)) .AND. (j<=inb(il)) .AND. &
282	(i>=icb(il)) .AND. (i<=inb(il))) THEN
283	Sigij(il, i, j) = Sij(il, i, j)
284	END IF
285	END DO
286	END DO
287	END DO
288	! @ enddo
289
290	! @170 continue
291
292	! =====================================================================
293	! --- NORMALIZE ENTRAINED AIR MASS FLUXES
294	! --- TO REPRESENT EQUAL PROBABILITIES OF MIXING
295	! =====================================================================
296
297	CALL zilch(csum, nloc*nd)
298
299	DO il = 1, ncum
300	lwork(il) = .FALSE.
301	END DO
302
303	! ---------------------------------------------------------------
304	DO i = minorig + 1, nl !Loop on origin level "i"
305	! ---------------------------------------------------------------
306
307	num1 = 0
308	DO il = 1, ncum
309	IF (i>=icb(il) .AND. i<=inb(il)) num1 = num1 + 1
310	END DO
311	IF (num1<=0) GO TO 789
312
313
314	!JYG1 Find maximum of SIJ for J>I, if any.
315
316	Sx(:) = 0.
317
318	DO il = 1, ncum
319	IF (i>=icb(il) .AND. i<=inb(il)) THEN
320	signhpmh(il) = sign(1., hp(il,i)-h(il,i))
321	Sbef(il) = max(0., signhpmh(il))
322	END IF
323	END DO
324
325	DO j = i + 1, nl
326	DO il = 1, ncum
327	IF (i>=icb(il) .AND. i<=inb(il) .AND. j<=inb(il)) THEN
328	IF (Sbef(il)<Sij(il,i,j)) THEN
329	Sx(il) = max(Sij(il,i,j), Sx(il))
330	END IF
331	Sbef(il) = Sij(il, i, j)
332	END IF
333	END DO
334	END DO
335
336
337	DO il = 1, ncum
338	IF (i>=icb(il) .AND. i<=inb(il)) THEN
339	lwork(il) = (nent(il,i)/=0)
340	!! rti = qnk(il) - ep(il, i)*clw(il, i)
341	rti = qta(il,i-1) - ep(il, i)*clw(il, i)
342	!jyg<
343	IF (cvflag_ice) THEN
344
345	anum = h(il, i) - hp(il, i) - (lv(il,i)+frac(il,i)lf(il,i)) &
346	(rti-rs(il,i)) + (cpv-cpd)t(il, i)(rti-rr(il,i))
347	denom = h(il, i) - hp(il, i) + (lv(il,i)+frac(il,i)lf(il,i)) &
348	(rr(il,i)-rti) + (cpd-cpv)t(il, i)(rr(il,i)-rti)
349	ELSE
350
351	anum = h(il, i) - hp(il, i) - lv(il, i)*(rti-rs(il,i)) + &
352	(cpv-cpd)t(il, i)(rti-rr(il,i))
353	denom = h(il, i) - hp(il, i) + lv(il, i)*(rr(il,i)-rti) + &
354	(cpd-cpv)t(il, i)(rr(il,i)-rti)
355	END IF
356	!>jyg
357	IF (abs(denom)<0.01) denom = 0.01
358	Scrit(il) = min(anum/denom, 1.)
359	alt = rti - rs(il, i) + Scrit(il)*(rr(il,i)-rti)
360
361	!JYG1 Find new critical value Scrit2
362	! such that : Sij > Scrit2 => mixed draught will detrain at J<I
363	! Sij < Scrit2 => mixed draught will detrain at J>I
364
365	Scrit2 = min(Scrit(il), Sx(il))*max(0., -signhpmh(il)) + &
366	Scrit(il)*max(0., signhpmh(il))
367
368	Scrit(il) = Scrit2
369
370	!JYG Correction pour la nouvelle logique; la correction pour ALT
371	! est un peu au hazard
372	IF (Scrit(il)<=0.0) Scrit(il) = 0.0
373	IF (alt<=0.0) Scrit(il) = 1.0
374
375	smax(il) = 0.0
376	ASij(il) = 0.0
377	sup(il) = 0. ! upper S-value reached by descending draughts
378	END IF
379	END DO
380
381	! ---------------------------------------------------------------
382	DO j = minorig, nl !Loop on destination level "j"
383	! ---------------------------------------------------------------
384
385	num2 = 0
386	DO il = 1, ncum
387	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
388	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
389	lwork(il)) num2 = num2 + 1
390	END DO
391	IF (num2<=0) GO TO 175
392
393	! -----------------------------------------------
394	IF (j>i) THEN
395	! -----------------------------------------------
396	DO il = 1, ncum
397	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
398	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
399	lwork(il)) THEN
400	IF (Sij(il,i,j)>0.0) THEN
401	Smid(il) = min(Sij(il,i,j), Scrit(il))
402	Sjmax(il) = Smid(il)
403	Sjmin(il) = Smid(il)
404	IF (Smid(il)<smin(il) .AND. Sij(il,i,j+1)<Smid(il)) THEN
405	smin(il) = Smid(il)
406	Sjmax(il) = min((Sij(il,i,j+1)+Sij(il,i,j))/2., Sij(il,i,j), Scrit(il))
407	Sjmin(il) = max((Sbef(il)+Sij(il,i,j))/2., Sij(il,i,j))
408	Sjmin(il) = min(Sjmin(il), Scrit(il))
409	Sbef(il) = Sij(il, i, j)
410	END IF
411	END IF
412	END IF
413	END DO
414	! -----------------------------------------------
415	ELSE IF (j==i) THEN
416	! -----------------------------------------------
417	DO il = 1, ncum
418	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
419	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
420	lwork(il)) THEN
421	IF (Sij(il,i,j)>0.0) THEN
422	Smid(il) = 1.
423	Sjmin(il) = max((Sij(il,i,j-1)+Smid(il))/2., Scrit(il))*max(0., -signhpmh(il)) + &
424	min((Sij(il,i,j+1)+Smid(il))/2., Scrit(il))*max(0., signhpmh(il))
425	Sjmin(il) = max(Sjmin(il), sup(il))
426	Sjmax(il) = 1.
427
428	! - preparation des variables Scrit, Smin et Sbef pour la partie j>i
429	Scrit(il) = min(Sjmin(il), Sjmax(il), Scrit(il))
430
431	smin(il) = 1.
432	Sbef(il) = max(0., signhpmh(il))
433	supmax(il, i) = sign(Scrit(il), -signhpmh(il))
434	END IF
435	END IF
436	END DO
437	! -----------------------------------------------
438	ELSE IF (j<i) THEN
439	! -----------------------------------------------
440	DO il = 1, ncum
441	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
442	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
443	lwork(il)) THEN
444	IF (Sij(il,i,j)>0.0) THEN
445	Smid(il) = max(Sij(il,i,j), Scrit(il))
446	Sjmax(il) = Smid(il)
447	Sjmin(il) = Smid(il)
448	IF (Smid(il)>smax(il) .AND. Sij(il,i,j+1)>Smid(il)) THEN
449	smax(il) = Smid(il)
450	Sjmax(il) = max((Sij(il,i,j+1)+Sij(il,i,j))/2., Sij(il,i,j))
451	Sjmax(il) = max(Sjmax(il), Scrit(il))
452	Sjmin(il) = min((Sbef(il)+Sij(il,i,j))/2., Sij(il,i,j))
453	Sjmin(il) = max(Sjmin(il), Scrit(il))
454	Sbef(il) = Sij(il, i, j)
455	END IF
456	IF (abs(Sjmin(il)-Sjmax(il))>1.E-10) &
457	sup(il) = max(Sjmin(il), Sjmax(il), sup(il))
458	END IF
459	END IF
460	END DO
461	! -----------------------------------------------
462	END IF
463	! -----------------------------------------------
464
465
466	DO il = 1, ncum
467	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
468	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
469	lwork(il)) THEN
470	IF (Sij(il,i,j)>0.0) THEN
471	!! rti = qnk(il) - ep(il, i)*clw(il, i)
472	rti = qta(il,i-1) - ep(il, i)*clw(il, i)
473	Qmixmax(il) = Qmix(Sjmax(il))
474	Qmixmin(il) = Qmix(Sjmin(il))
475	Rmixmax(il) = Rmix(Sjmax(il))
476	Rmixmin(il) = Rmix(Sjmin(il))
477	sqmrmax(il) = Sjmax(il)*Qmix(Sjmax(il)) - Rmix(Sjmax(il))
478	sqmrmin(il) = Sjmin(il)*Qmix(Sjmin(il)) - Rmix(Sjmin(il))
479
480	Ment(il, i, j) = abs(Qmixmax(il)-Qmixmin(il))*Ment(il, i, j)
481
482	! Sigij(i,j) is the 'true' mixing fraction of mixture Ment(i,j)
483	IF (abs(Qmixmax(il)-Qmixmin(il))>1.E-10) THEN
484	Sigij(il, i, j) = (sqmrmax(il)-sqmrmin(il))/(Qmixmax(il)-Qmixmin(il))
485	ELSE
486	Sigij(il, i, j) = 0.
487	END IF
488
489	! -- Compute Qent, uent, vent according to the true mixing fraction
490	Qent(il, i, j) = (1.-Sigij(il,i,j))rti + Sigij(il, i, j)rr(il, i)
491	uent(il, i, j) = (1.-Sigij(il,i,j))unk(il) + Sigij(il, i, j)u(il, i)
492	vent(il, i, j) = (1.-Sigij(il,i,j))vnk(il) + Sigij(il, i, j)v(il, i)
493
494	! -- Compute liquid water static energy of mixed draughts
495	! IF (j .GT. i) THEN
496	! awat=elij(il,i,j)-(1.-ep(il,j))*clw(il,j)
497	! awat=amax1(awat,0.0)
498	! ELSE
499	! awat = 0.
500	! ENDIF
501	! Hent(il,i,j) = (1.-Sigij(il,i,j))*HP(il,i)
502	! : + Sigij(il,i,j)*H(il,i)
503	! : + (LV(il,j)+(cpd-cpv)t(il,j))awat
504	!IM 301008 beg
505	hent(il, i, j) = (1.-Sigij(il,i,j))hp(il, i) + Sigij(il, i, j)h(il, i)
506
507	!jyg<
508	! elij(il, i, j) = Qent(il, i, j) - rs(il, j)
509	! elij(il, i, j) = elij(il, i, j) + &
510	! ((h(il,j)-hent(il,i,j))rs(il,j)lv(il,j) / &
511	! ((cpd(1.-Qent(il,i,j))+Qent(il,i,j)cpv)rrvt(il,j)*t(il,j)))
512	! elij(il, i, j) = elij(il, i, j) / &
513	! (1.+lv(il,j)lv(il,j)rs(il,j) / &
514	! ((cpd(1.-Qent(il,i,j))+Qent(il,i,j)cpv)rrvt(il,j)*t(il,j)))
515
516	! Computation of condensate amount Elij, taking into account the ice fraction frac
517	! Warning : the same saturation humidity rs is used over both liquid water and ice; this
518	! should be corrected.
519
520	! Heat capacity of mixed draught
521	cpm = cpd+Qent(il,i,j)*(cpv-cpd)
522
523	IF (cvflag_ice .AND. frac(il,j) > 0.) THEN
524	elij(il, i, j) = Qent(il, i, j) - rs(il, j)
525	elij(il, i, j) = elij(il, i, j) + &
526	(h(il,j)-hent(il,i,j)+(cpv-cpd)(Qent(il,i,j)-rr(il,j))t(il,j))* &
527	rs(il,j)lv(il,j) / (cpmrrvt(il,j)t(il,j))
528	elij(il, i, j) = elij(il, i, j) / &
529	(1.+(lv(il,j)+frac(il,j)lf(il,j))lv(il,j)*rs(il,j) / &
530	(cpmrrvt(il,j)*t(il,j)))
531	ELSE
532	elij(il, i, j) = Qent(il, i, j) - rs(il, j)
533	elij(il, i, j) = elij(il, i, j) + &
534	(h(il,j)-hent(il,i,j)+(cpv-cpd)(Qent(il,i,j)-rr(il,j))t(il,j))* &
535	rs(il,j)lv(il,j) / (cpmrrvt(il,j)t(il,j))
536	elij(il, i, j) = elij(il, i, j) / &
537	(1.+lv(il,j)lv(il,j)rs(il,j) / &
538	(cpmrrvt(il,j)*t(il,j)))
539	ENDIF
540	!>jyg
541	elij(il, i, j) = max(elij(il,i,j), 0.)
542
543	elij(il, i, j) = min(elij(il,i,j), Qent(il,i,j))
544
545	IF (j>i) THEN
546	awat = elij(il, i, j) - (1.-ep(il,j))*clw(il, j)
547	awat = amax1(awat, 0.0)
548	ELSE
549	awat = 0.
550	END IF
551
552	! PRINT ,h(il,j)-hent(il,i,j),LV(il,j)rs(il,j)/(cpdrrvt(il,j)*
553	! : t(il,j))
554
555	!jyg<
556	! hent(il, i, j) = hent(il, i, j) + (lv(il,j)+(cpd-cpv)t(il,j))awat
557	! Mixed draught temperature at level j
558	IF (cvflag_ice .AND. frac(il,j) > 0.) THEN
559	Tm = t(il,j) + (Qent(il,i,j)-elij(il,i,j)-rs(il,j))rrvt(il,j)t(il,j)/(lv(il,j)rs(il,j))
560	hent(il, i, j) = hent(il, i, j) + (lv(il,j)+frac(il,j)lf(il,j)+(cpd-cpv)Tm)*awat
561	ELSE
562	Tm = t(il,j) + (Qent(il,i,j)-elij(il,i,j)-rs(il,j))rrvt(il,j)t(il,j)/(lv(il,j)rs(il,j))
563	hent(il, i, j) = hent(il, i, j) + (lv(il,j)+(cpd-cpv)Tm)awat
564	ENDIF
565	!>jyg
566
567	!IM 301008 end
568
569	! PRINT *,'mix : i,j,hent(il,i,j),Sigij(il,i,j) ',
570	! : i,j,hent(il,i,j),Sigij(il,i,j)
571
572	! -- ASij is the integral of P(F) over the relevant F interval
573	ASij(il) = ASij(il) + abs(Qmixmax(il)*(1.-Sjmax(il))+Rmixmax(il) - &
574	Qmixmin(il)*(1.-Sjmin(il))-Rmixmin(il))
575
576	END IF
577	END IF
578	END DO
579	!jyg! DO k = 1, ntra
580	!jyg! DO il = 1, ncum
581	!jyg! IF ((i>=icb(il)) .AND. (i<=inb(il)) .AND. &
582	!jyg! (j>=(icb(il)-1)) .AND. (j<=inb(il)) .AND. &
583	!jyg! lwork(il)) THEN
584	!jyg! IF (Sij(il,i,j)>0.0) THEN
585	!jyg! traent(il, i, j, k) = Sigij(il, i, j)*tra(il, i, k) + &
586	!jyg! (1.-Sigij(il,i,j))*tra(il, nk(il), k)
587	!jyg! END IF
588	!jyg! END IF
589	!jyg! END DO
590	!jyg! END DO
591
592	! -- If I=J (detrainement and entrainement at the same level), then only the
593	! -- adiabatic ascent part of the mixture is considered
594	IF (i==j) THEN
595	DO il = 1, ncum
596	IF (i>=icb(il) .AND. i<=inb(il) .AND. &
597	j>=(icb(il)-1) .AND. j<=inb(il) .AND. &
598	lwork(il)) THEN
599	IF (Sij(il,i,j)>0.0) THEN
600	!! rti = qnk(il) - ep(il, i)*clw(il, i)
601	rti = qta(il,i-1) - ep(il, i)*clw(il, i)
602	!!! Ment(il,i,i) = m(il,i)abs(Qmixmax(il)(1.-Sjmax(il))
603	Ment(il, i, i) = abs(Qmixmax(il)*(1.-Sjmax(il))+Rmixmax(il) - &
604	Qmixmin(il)*(1.-Sjmin(il))-Rmixmin(il))
605	Qent(il, i, i) = rti
606	uent(il, i, i) = unk(il)
607	vent(il, i, i) = vnk(il)
608	hent(il, i, i) = hp(il, i)
609	elij(il, i, i) = clw(il, i)*(1.-ep(il,i))
610	Sigij(il, i, i) = 0.
611	END IF
612	END IF
613	END DO
614	!jyg! DO k = 1, ntra
615	!jyg! DO il = 1, ncum
616	!jyg! IF ((i>=icb(il)) .AND. (i<=inb(il)) .AND. &
617	!jyg! (j>=(icb(il)-1)) .AND. (j<=inb(il)) .AND. &
618	!jyg! lwork(il)) THEN
619	!jyg! IF (Sij(il,i,j)>0.0) THEN
620	!jyg! traent(il, i, i, k) = tra(il, nk(il), k)
621	!jyg! END IF
622	!jyg! END IF
623	!jyg! END DO
624	!jyg! END DO
625
626	END IF
627
628	! ---------------------------------------------------------------
629	175 END DO ! End loop on destination level "j"
630	! ---------------------------------------------------------------
631
632	DO il = 1, ncum
633	IF (i>=icb(il) .AND. i<=inb(il) .AND. lwork(il)) THEN
634	ASij(il) = amax1(1.0E-16, ASij(il))
635	!jyg+lluis<
636	!! ASij(il) = 1.0/ASij(il)
637	ASij_inv(il) = 1.0/ASij(il)
638	! IF the F-interval spanned by possible mixtures is less than 0.01, no mixing occurs
639	IF (ASij_inv(il) > 100.) ASij_inv(il) = 0.
640	!>jyg+lluis
641	csum(il, i) = 0.0
642	END IF
643	END DO
644
645	DO j = minorig, nl
646	DO il = 1, ncum
647	IF (i>=icb(il) .AND. i<=inb(il) .AND. lwork(il) .AND. &
648	j>=(icb(il)-1) .AND. j<=inb(il)) THEN
649	!jyg Ment(il, i, j) = Ment(il, i, j)*ASij(il)
650	Ment(il, i, j) = Ment(il, i, j)*ASij_inv(il)
651	END IF
652	END DO
653	END DO
654
655	DO j = minorig, nl
656	DO il = 1, ncum
657	IF (i>=icb(il) .AND. i<=inb(il) .AND. lwork(il) .AND. &
658	j>=(icb(il)-1) .AND. j<=inb(il)) THEN
659	csum(il, i) = csum(il, i) + Ment(il, i, j)
660	END IF
661	END DO
662	END DO
663
664	DO il = 1, ncum
665	IF (i>=icb(il) .AND. i<=inb(il) .AND. lwork(il) .AND. csum(il,i)<1.) THEN
666	! cc : .AND. csum(il,i).lt.m(il,i) ) THEN
667	nent(il, i) = 0
668	! cc Ment(il,i,i)=m(il,i)
669	Ment(il, i, i) = 1.
670	!! Qent(il, i, i) = qnk(il) - ep(il, i)*clw(il, i)
671	Qent(il, i, i) = qta(il,i-1) - ep(il, i)*clw(il, i)
672	uent(il, i, i) = unk(il)
673	vent(il, i, i) = vnk(il)
674	elij(il, i, i) = clw(il, i)*(1.-ep(il,i))
675	IF (fl_cor_ebil >= 2) THEN
676	hent(il, i, i) = hp(il,i)
677	Sigij(il, i, i) = 0.0
678	ELSE
679	Sij(il, i, i) = 0.0
680	ENDIF
681	END IF
682	END DO ! il
683
684	!jyg! DO j = 1, ntra
685	!jyg! DO il = 1, ncum
686	!jyg! IF (i>=icb(il) .AND. i<=inb(il) .AND. lwork(il) .AND. csum(il,i)<1.) THEN
687	!jyg!! cc : .AND. csum(il,i).lt.m(il,i) ) THEN
688	!jyg! traent(il, i, i, j) = tra(il, nk(il), j)
689	!jyg! END IF
690	!jyg! END DO
691	!jyg! END DO
692
693	! ---------------------------------------------------------------
694	789 END DO ! End loop on origin level "i"
695	! ---------------------------------------------------------------
696
697
698
699	END SUBROUTINE cv3p_mixing
700

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