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climb_hq_mod.F90 @ 3697

Last change on this file since 3697 was 2839, checked in by Laurent Fairhead, 8 years ago
Merged trunk changes r2785:2838 into testing branch
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:executable set to ``* Property svn:keywords set to `Author Date Id Revision`
File size: 17.6 KB

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1	MODULE climb_hq_mod
2	!
3	! Module to solve the verctical diffusion of "q" and "H";
4	! specific humidity and potential energi.
5	!
6	USE dimphy
7
8	IMPLICIT NONE
9	SAVE
10	PRIVATE
11	PUBLIC :: climb_hq_down, climb_hq_up, d_h_col_vdf, f_h_bnd
12
13	REAL, DIMENSION(:,:), ALLOCATABLE :: gamaq, gamah
14	!$OMP THREADPRIVATE(gamaq,gamah)
15	REAL, DIMENSION(:,:), ALLOCATABLE :: Ccoef_Q, Dcoef_Q
16	!$OMP THREADPRIVATE(Ccoef_Q, Dcoef_Q)
17	REAL, DIMENSION(:,:), ALLOCATABLE :: Ccoef_H, Dcoef_H
18	!$OMP THREADPRIVATE(Ccoef_H, Dcoef_H)
19	REAL, DIMENSION(:), ALLOCATABLE :: Acoef_Q, Bcoef_Q
20	!$OMP THREADPRIVATE(Acoef_Q, Bcoef_Q)
21	REAL, DIMENSION(:), ALLOCATABLE :: Acoef_H, Bcoef_H
22	!$OMP THREADPRIVATE(Acoef_H, Bcoef_H)
23	REAL, DIMENSION(:,:), ALLOCATABLE :: Kcoefhq
24	!$OMP THREADPRIVATE(Kcoefhq)
25	REAL, SAVE, DIMENSION(:,:), ALLOCATABLE :: h_old ! for diagnostics, h before solving diffusion
26	!$OMP THREADPRIVATE(h_old)
27	REAL, SAVE, DIMENSION(:), ALLOCATABLE :: d_h_col_vdf ! for diagnostics, vertical integral of enthalpy change
28	!$OMP THREADPRIVATE(d_h_col_vdf)
29	REAL, SAVE, DIMENSION(:), ALLOCATABLE :: f_h_bnd ! for diagnostics, enthalpy flux at surface
30	!$OMP THREADPRIVATE(f_h_bnd)
31
32	CONTAINS
33	!
34	!****************************************************************************************
35	!
36	SUBROUTINE climb_hq_down(knon, coefhq, paprs, pplay, &
37	delp, temp, q, dtime, &
38	!!! nrlmd le 02/05/2011
39	Ccoef_H_out, Ccoef_Q_out, Dcoef_H_out, Dcoef_Q_out, &
40	Kcoef_hq_out, gama_q_out, gama_h_out, &
41	!!!
42	Acoef_H_out, Acoef_Q_out, Bcoef_H_out, Bcoef_Q_out)
43
44	! This routine calculates recursivly the coefficients C and D
45	! for the quantity X=[Q,H] in equation X(k) = C(k) + D(k)*X(k-1), where k is
46	! the index of the vertical layer.
47	!
48	! Input arguments
49	!****************************************************************************************
50	INTEGER, INTENT(IN) :: knon
51	REAL, DIMENSION(klon,klev), INTENT(IN) :: coefhq
52	REAL, DIMENSION(klon,klev), INTENT(IN) :: pplay
53	REAL, DIMENSION(klon,klev+1), INTENT(IN) :: paprs
54	REAL, DIMENSION(klon,klev), INTENT(IN) :: temp, delp ! temperature
55	REAL, DIMENSION(klon,klev), INTENT(IN) :: q
56	REAL, INTENT(IN) :: dtime
57
58	! Output arguments
59	!****************************************************************************************
60	REAL, DIMENSION(klon), INTENT(OUT) :: Acoef_H_out
61	REAL, DIMENSION(klon), INTENT(OUT) :: Acoef_Q_out
62	REAL, DIMENSION(klon), INTENT(OUT) :: Bcoef_H_out
63	REAL, DIMENSION(klon), INTENT(OUT) :: Bcoef_Q_out
64
65	!!! nrlmd le 02/05/2011
66	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Ccoef_H_out
67	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Ccoef_Q_out
68	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Dcoef_H_out
69	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Dcoef_Q_out
70	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Kcoef_hq_out
71	REAL, DIMENSION(klon,klev), INTENT(OUT) :: gama_q_out
72	REAL, DIMENSION(klon,klev), INTENT(OUT) :: gama_h_out
73	!!!
74
75	! Local variables
76	!****************************************************************************************
77	LOGICAL, SAVE :: first=.TRUE.
78	!$OMP THREADPRIVATE(first)
79	! JLD now renamed h_old and declared in module
80	! REAL, DIMENSION(klon,klev) :: local_H
81	REAL, DIMENSION(klon) :: psref
82	REAL :: delz, pkh
83	INTEGER :: k, i, ierr
84	! Include
85	!****************************************************************************************
86	INCLUDE "YOMCST.h"
87	INCLUDE "compbl.h"
88
89
90	!****************************************************************************************
91	! 1)
92	! Allocation at first time step only
93	!
94	!****************************************************************************************
95
96	IF (first) THEN
97	first=.FALSE.
98	ALLOCATE(Ccoef_Q(klon,klev), STAT=ierr)
99	IF ( ierr /= 0 ) PRINT*,' pb in allloc Ccoef_Q, ierr=', ierr
100
101	ALLOCATE(Dcoef_Q(klon,klev), STAT=ierr)
102	IF ( ierr /= 0 ) PRINT*,' pb in allloc Dcoef_Q, ierr=', ierr
103
104	ALLOCATE(Ccoef_H(klon,klev), STAT=ierr)
105	IF ( ierr /= 0 ) PRINT*,' pb in allloc Ccoef_H, ierr=', ierr
106
107	ALLOCATE(Dcoef_H(klon,klev), STAT=ierr)
108	IF ( ierr /= 0 ) PRINT*,' pb in allloc Dcoef_H, ierr=', ierr
109
110	ALLOCATE(Acoef_Q(klon), Bcoef_Q(klon), Acoef_H(klon), Bcoef_H(klon), STAT=ierr)
111	IF ( ierr /= 0 ) PRINT*,' pb in allloc Acoef_X and Bcoef_X, ierr=', ierr
112
113	ALLOCATE(Kcoefhq(klon,klev), STAT=ierr)
114	IF ( ierr /= 0 ) PRINT*,' pb in allloc Kcoefhq, ierr=', ierr
115
116	ALLOCATE(gamaq(1:klon,2:klev), STAT=ierr)
117	IF ( ierr /= 0 ) PRINT*,' pb in allloc gamaq, ierr=', ierr
118
119	ALLOCATE(gamah(1:klon,2:klev), STAT=ierr)
120	IF ( ierr /= 0 ) PRINT*,' pb in allloc gamah, ierr=', ierr
121
122	ALLOCATE(h_old(klon,klev), STAT=ierr)
123	IF ( ierr /= 0 ) PRINT*,' pb in allloc h_old, ierr=', ierr
124
125	ALLOCATE(d_h_col_vdf(klon), STAT=ierr)
126	IF ( ierr /= 0 ) PRINT*,' pb in allloc d_h_col_vdf, ierr=', ierr
127
128	ALLOCATE(f_h_bnd(klon), STAT=ierr)
129	IF ( ierr /= 0 ) PRINT*,' pb in allloc f_h_bnd, ierr=', ierr
130	END IF
131
132	!****************************************************************************************
133	! 2)
134	! Definition of the coeficient K
135	!
136	!****************************************************************************************
137	Kcoefhq(:,:) = 0.0
138	DO k = 2, klev
139	DO i = 1, knon
140	Kcoefhq(i,k) = &
141	coefhq(i,k)RGRG*dtime /(pplay(i,k-1)-pplay(i,k)) &
142	(paprs(i,k)2/(temp(i,k)+temp(i,k-1))/RD)**2
143	ENDDO
144	ENDDO
145
146	!****************************************************************************************
147	! 3)
148	! Calculation of gama for "Q" and "H"
149	!
150	!****************************************************************************************
151	! surface pressure is used as reference
152	psref(:) = paprs(:,1)
153
154	! definition of gama
155	IF (iflag_pbl == 1) THEN
156	gamaq(:,:) = 0.0
157	gamah(:,:) = -1.0e-03
158	gamah(:,2) = -2.5e-03
159
160	! conversion de gama
161	DO k = 2, klev
162	DO i = 1, knon
163	delz = RD * (temp(i,k-1)+temp(i,k)) / &
164	2.0 / RG / paprs(i,k) * (pplay(i,k-1)-pplay(i,k))
165	pkh = (psref(i)/paprs(i,k))**RKAPPA
166
167	! convertie gradient verticale d'humidite specifique en difference d'humidite specifique entre centre de couches
168	gamaq(i,k) = gamaq(i,k) * delz
169	! convertie gradient verticale de temperature en difference de temperature potentielle entre centre de couches
170	gamah(i,k) = gamah(i,k) * delz * RCPD * pkh
171	ENDDO
172	ENDDO
173
174	ELSE
175	gamaq(:,:) = 0.0
176	gamah(:,:) = 0.0
177	ENDIF
178
179
180	!****************************************************************************************
181	! 4)
182	! Calculte the coefficients C and D for specific humidity, q
183	!
184	!****************************************************************************************
185
186	CALL calc_coef(knon, Kcoefhq(:,:), gamaq(:,:), delp(:,:), q(:,:), &
187	Ccoef_Q(:,:), Dcoef_Q(:,:), Acoef_Q, Bcoef_Q)
188
189	!****************************************************************************************
190	! 5)
191	! Calculte the coefficients C and D for potentiel entalpie, H
192	!
193	!****************************************************************************************
194	h_old(:,:) = 0.0
195
196	DO k=1,klev
197	DO i = 1, knon
198	! convertie la temperature en entalpie potentielle
199	h_old(i,k) = RCPD * temp(i,k) * &
200	(psref(i)/pplay(i,k))**RKAPPA
201	ENDDO
202	ENDDO
203
204	CALL calc_coef(knon, Kcoefhq(:,:), gamah(:,:), delp(:,:), h_old(:,:), &
205	Ccoef_H(:,:), Dcoef_H(:,:), Acoef_H, Bcoef_H)
206
207	!****************************************************************************************
208	! 6)
209	! Return the first layer in output variables
210	!
211	!****************************************************************************************
212	Acoef_H_out = Acoef_H
213	Bcoef_H_out = Bcoef_H
214	Acoef_Q_out = Acoef_Q
215	Bcoef_Q_out = Bcoef_Q
216
217	!****************************************************************************************
218	! 7)
219	! If Pbl is split, return also the other layers in output variables
220	!
221	!****************************************************************************************
222	!!! jyg le 07/02/2012
223	IF (mod(iflag_pbl_split,2) .eq.1) THEN
224	!!! nrlmd le 02/05/2011
225	DO k= 1, klev
226	DO i= 1, klon
227	Ccoef_H_out(i,k) = Ccoef_H(i,k)
228	Dcoef_H_out(i,k) = Dcoef_H(i,k)
229	Ccoef_Q_out(i,k) = Ccoef_Q(i,k)
230	Dcoef_Q_out(i,k) = Dcoef_Q(i,k)
231	Kcoef_hq_out(i,k) = Kcoefhq(i,k)
232	IF (k.eq.1) THEN
233	gama_h_out(i,k) = 0.
234	gama_q_out(i,k) = 0.
235	ELSE
236	gama_h_out(i,k) = gamah(i,k)
237	gama_q_out(i,k) = gamaq(i,k)
238	ENDIF
239	ENDDO
240	ENDDO
241	!!!
242	ENDIF ! (mod(iflag_pbl_split,2) .eq.1)
243	!!!
244
245	END SUBROUTINE climb_hq_down
246	!
247	!****************************************************************************************
248	!
249	SUBROUTINE calc_coef(knon, Kcoef, gama, delp, X, Ccoef, Dcoef, Acoef, Bcoef)
250	!
251	! Calculate the coefficients C and D in : X(k) = C(k) + D(k)*X(k-1)
252	! where X is H or Q, and k the vertical level k=1,klev
253	!
254	INCLUDE "YOMCST.h"
255	! Input arguments
256	!****************************************************************************************
257	INTEGER, INTENT(IN) :: knon
258	REAL, DIMENSION(klon,klev), INTENT(IN) :: Kcoef, delp
259	REAL, DIMENSION(klon,klev), INTENT(IN) :: X
260	REAL, DIMENSION(klon,2:klev), INTENT(IN) :: gama
261
262	! Output arguments
263	!****************************************************************************************
264	REAL, DIMENSION(klon), INTENT(OUT) :: Acoef, Bcoef
265	REAL, DIMENSION(klon,klev), INTENT(OUT) :: Ccoef, Dcoef
266
267	! Local variables
268	!****************************************************************************************
269	INTEGER :: k, i
270	REAL :: buf
271
272	!****************************************************************************************
273	! Niveau au sommet, k=klev
274	!
275	!****************************************************************************************
276	Ccoef(:,:) = 0.0
277	Dcoef(:,:) = 0.0
278
279	DO i = 1, knon
280	buf = delp(i,klev) + Kcoef(i,klev)
281
282	Ccoef(i,klev) = (X(i,klev)delp(i,klev) - Kcoef(i,klev)gama(i,klev))/buf
283	Dcoef(i,klev) = Kcoef(i,klev)/buf
284	END DO
285
286
287	!****************************************************************************************
288	! Niveau (klev-1) <= k <= 2
289	!
290	!****************************************************************************************
291
292	DO k=(klev-1),2,-1
293	DO i = 1, knon
294	buf = delp(i,k) + Kcoef(i,k) + Kcoef(i,k+1)*(1.-Dcoef(i,k+1))
295	Ccoef(i,k) = (X(i,k)delp(i,k) + Kcoef(i,k+1)Ccoef(i,k+1) + &
296	Kcoef(i,k+1)gama(i,k+1) - Kcoef(i,k)gama(i,k))/buf
297	Dcoef(i,k) = Kcoef(i,k)/buf
298	END DO
299	END DO
300
301	!****************************************************************************************
302	! Niveau k=1
303	!
304	!****************************************************************************************
305
306	DO i = 1, knon
307	buf = delp(i,1) + Kcoef(i,2)*(1.-Dcoef(i,2))
308	Acoef(i) = (X(i,1)delp(i,1) + Kcoef(i,2)(gama(i,2)+Ccoef(i,2)))/buf
309	Bcoef(i) = -1. * RG / buf
310	END DO
311
312	END SUBROUTINE calc_coef
313	!
314	!****************************************************************************************
315	!
316	SUBROUTINE climb_hq_up(knon, dtime, t_old, q_old, &
317	flx_q1, flx_h1, paprs, pplay, &
318	!!! nrlmd le 02/05/2011
319	Acoef_H_in, Acoef_Q_in, Bcoef_H_in, Bcoef_Q_in, &
320	Ccoef_H_in, Ccoef_Q_in, Dcoef_H_in, Dcoef_Q_in, &
321	Kcoef_hq_in, gama_q_in, gama_h_in, &
322	!!!
323	flux_q, flux_h, d_q, d_t)
324	!
325	! This routine calculates the flux and tendency of the specific humidity q and
326	! the potential engergi H.
327	! The quantities q and H are calculated according to
328	! X(k) = C(k) + D(k)*X(k-1) for X=[q,H], where the coefficients
329	! C and D are known from before and k is index of the vertical layer.
330	!
331
332	! Input arguments
333	!****************************************************************************************
334	INTEGER, INTENT(IN) :: knon
335	REAL, INTENT(IN) :: dtime
336	REAL, DIMENSION(klon,klev), INTENT(IN) :: t_old, q_old
337	REAL, DIMENSION(klon), INTENT(IN) :: flx_q1, flx_h1
338	REAL, DIMENSION(klon,klev+1), INTENT(IN) :: paprs
339	REAL, DIMENSION(klon,klev), INTENT(IN) :: pplay
340
341	!!! nrlmd le 02/05/2011
342	REAL, DIMENSION(klon), INTENT(IN) :: Acoef_H_in,Acoef_Q_in, Bcoef_H_in, Bcoef_Q_in
343	REAL, DIMENSION(klon,klev), INTENT(IN) :: Ccoef_H_in, Ccoef_Q_in, Dcoef_H_in, Dcoef_Q_in
344	REAL, DIMENSION(klon,klev), INTENT(IN) :: Kcoef_hq_in, gama_q_in, gama_h_in
345	!!!
346
347	! Output arguments
348	!****************************************************************************************
349	REAL, DIMENSION(klon,klev), INTENT(OUT) :: flux_q, flux_h, d_q, d_t
350
351	! Local variables
352	!****************************************************************************************
353	LOGICAL, SAVE :: last=.FALSE.
354	REAL, DIMENSION(klon,klev) :: h_new, q_new
355	REAL, DIMENSION(klon) :: psref
356	INTEGER :: k, i, ierr
357
358	! Include
359	!****************************************************************************************
360	INCLUDE "YOMCST.h"
361	INCLUDE "compbl.h"
362
363	!****************************************************************************************
364	! 1)
365	! Definition of some variables
366	REAL, DIMENSION(klon,klev) :: d_h, zairm
367	!
368	!****************************************************************************************
369	flux_q(:,:) = 0.0
370	flux_h(:,:) = 0.0
371	d_q(:,:) = 0.0
372	d_t(:,:) = 0.0
373	d_h(:,:) = 0.0
374	f_h_bnd(:)= 0.0
375
376	psref(1:knon) = paprs(1:knon,1)
377
378	!!! jyg le 07/02/2012
379	IF (mod(iflag_pbl_split,2) .eq.1) THEN
380	!!! nrlmd le 02/05/2011
381	DO i = 1, knon
382	Acoef_H(i)=Acoef_H_in(i)
383	Acoef_Q(i)=Acoef_Q_in(i)
384	Bcoef_H(i)=Bcoef_H_in(i)
385	Bcoef_Q(i)=Bcoef_Q_in(i)
386	ENDDO
387	DO k = 1, klev
388	DO i = 1, knon
389	Ccoef_H(i,k)=Ccoef_H_in(i,k)
390	Ccoef_Q(i,k)=Ccoef_Q_in(i,k)
391	Dcoef_H(i,k)=Dcoef_H_in(i,k)
392	Dcoef_Q(i,k)=Dcoef_Q_in(i,k)
393	Kcoefhq(i,k)=Kcoef_hq_in(i,k)
394	IF (k.gt.1) THEN
395	gamah(i,k)=gama_h_in(i,k)
396	gamaq(i,k)=gama_q_in(i,k)
397	ENDIF
398	ENDDO
399	ENDDO
400	!!!
401	ENDIF ! (mod(iflag_pbl_split,2) .eq.1)
402	!!!
403
404	!****************************************************************************************
405	! 2)
406	! Calculation of Q and H
407	!
408	!****************************************************************************************
409
410	!- First layer
411	q_new(1:knon,1) = Acoef_Q(1:knon) + Bcoef_Q(1:knon)flx_q1(1:knon)dtime
412	h_new(1:knon,1) = Acoef_H(1:knon) + Bcoef_H(1:knon)flx_h1(1:knon)dtime
413	f_h_bnd(1:knon) = flx_h1(1:knon)
414	!- All the other layers
415	DO k = 2, klev
416	DO i = 1, knon
417	q_new(i,k) = Ccoef_Q(i,k) + Dcoef_Q(i,k)*q_new(i,k-1)
418	h_new(i,k) = Ccoef_H(i,k) + Dcoef_H(i,k)*h_new(i,k-1)
419	END DO
420	END DO
421	!****************************************************************************************
422	! 3)
423	! Calculation of the flux for Q and H
424	!
425	!****************************************************************************************
426
427	!- The flux at first layer, k=1
428	flux_q(1:knon,1)=flx_q1(1:knon)
429	flux_h(1:knon,1)=flx_h1(1:knon)
430
431	!- The flux at all layers above surface
432	DO k = 2, klev
433	DO i = 1, knon
434	flux_q(i,k) = (Kcoefhq(i,k)/RG/dtime) * &
435	(q_new(i,k)-q_new(i,k-1)+gamaq(i,k))
436
437	flux_h(i,k) = (Kcoefhq(i,k)/RG/dtime) * &
438	(h_new(i,k)-h_new(i,k-1)+gamah(i,k))
439	END DO
440	END DO
441
442	!****************************************************************************************
443	! 4)
444	! Calculation of tendency for Q and H
445	!
446	!****************************************************************************************
447	d_h_col_vdf(:) = 0.0
448	DO k = 1, klev
449	DO i = 1, knon
450	d_t(i,k) = h_new(i,k)/(psref(i)/pplay(i,k))**RKAPPA/RCPD - t_old(i,k)
451	d_q(i,k) = q_new(i,k) - q_old(i,k)
452	d_h(i,k) = h_new(i,k) - h_old(i,k)
453	!JLD d_t(i,k) = d_h(i,k)/(psref(i)/pplay(i,k))**RKAPPA/RCPD !correction a venir
454	! layer air mass
455	zairm(i, k) = (paprs(i,k)-paprs(i,k+1))/rg
456	d_h_col_vdf(i) = d_h_col_vdf(i) + d_h(i,k)*zairm(i,k)
457	END DO
458	END DO
459
460	!****************************************************************************************
461	! Some deallocations
462	!
463	!****************************************************************************************
464	IF (last) THEN
465	DEALLOCATE(Ccoef_Q, Dcoef_Q, Ccoef_H, Dcoef_H,stat=ierr)
466	IF ( ierr /= 0 ) PRINT*,' pb in dealllocate Ccoef_Q, Dcoef_Q, Ccoef_H, Dcoef_H, ierr=', ierr
467	DEALLOCATE(Acoef_Q, Bcoef_Q, Acoef_H, Bcoef_H,stat=ierr)
468	IF ( ierr /= 0 ) PRINT*,' pb in dealllocate Acoef_Q, Bcoef_Q, Acoef_H, Bcoef_H, ierr=', ierr
469	DEALLOCATE(gamaq, gamah,stat=ierr)
470	IF ( ierr /= 0 ) PRINT*,' pb in dealllocate gamaq, gamah, ierr=', ierr
471	DEALLOCATE(Kcoefhq,stat=ierr)
472	IF ( ierr /= 0 ) PRINT*,' pb in dealllocate Kcoefhq, ierr=', ierr
473	DEALLOCATE(h_old, d_h_col_vdf, f_h_bnd, stat=ierr)
474	IF ( ierr /= 0 ) PRINT*,' pb in dealllocate h_old, d_h_col_vdf, f_h_bnd, ierr=', ierr
475	END IF
476	END SUBROUTINE climb_hq_up
477	!
478	!****************************************************************************************
479	!
480	END MODULE climb_hq_mod
481
482
483
484
485
486

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