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advy.F @ 5360

Last change on this file since 5360 was 774, checked in by Laurent Fairhead, 18 years ago
Suite du merge entre la version et la HEAD: quelques modifications de Yann sur le LF
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1	!
2	! $Header$
3	!
4	SUBROUTINE advy(limit,dty,pbarv,sm,s0,sx,sy,sz)
5	IMPLICIT NONE
6
7	CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
8	C C
9	C first-order moments (SOM) advection of tracer in Y direction C
10	C C
11	C Source : Pascal Simon ( Meteo, CNRM ) C
12	C Adaptation : A.A. (LGGE) C
13	C Derniere Modif : 15/12/94 LAST
14	C C
15	C sont les arguments d'entree pour le s-pg C
16	C C
17	C argument de sortie du s-pg C
18	C C
19	CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
20	CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
21	C
22	C Rem : Probleme aux poles il faut reecrire ce cas specifique
23	C Attention au sens de l'indexation
24	C
25	C parametres principaux du modele
26	C
27	C
28	#include "dimensions.h"
29	#include "paramet.h"
30	#include "comconst.h"
31	#include "comvert.h"
32	#include "comgeom2.h"
33
34	C Arguments :
35	C ----------
36	C dty : frequence fictive d'appel du transport
37	C parbu,pbarv : flux de masse en x et y en Pa.m2.s-1
38
39	INTEGER lon,lat,niv
40	INTEGER i,j,jv,k,kp,l
41	INTEGER ntra
42	PARAMETER (ntra = 1)
43
44	REAL dty
45	REAL pbarv ( iip1,jjm, llm )
46
47	C moments: SM total mass in each grid box
48	C S0 mass of tracer in each grid box
49	C Si 1rst order moment in i direction
50	C
51	REAL SM(iip1,jjp1,llm)
52	+ ,S0(iip1,jjp1,llm,ntra)
53	REAL sx(iip1,jjp1,llm,ntra)
54	+ ,sy(iip1,jjp1,llm,ntra)
55	+ ,sz(iip1,jjp1,llm,ntra)
56
57
58	C Local :
59	C -------
60
61	C mass fluxes across the boundaries (UGRI,VGRI,WGRI)
62	C mass fluxes in kg
63	C declaration :
64
65	REAL VGRI(iip1,0:jjp1,llm)
66
67	C Rem : UGRI et WGRI ne sont pas utilises dans
68	C cette subroutine ( advection en y uniquement )
69	C Rem 2 :le dimensionnement de VGRI depend de celui de pbarv
70	C
71	C the moments F are similarly defined and used as temporary
72	C storage for portions of the grid boxes in transit
73	C
74	REAL F0(iim,0:jjp1,ntra),FM(iim,0:jjp1)
75	REAL FX(iim,jjm,ntra),FY(iim,jjm,ntra)
76	REAL FZ(iim,jjm,ntra)
77	REAL S00(ntra)
78	REAL SM0 ! Just temporal variable
79	C
80	C work arrays
81	C
82	REAL ALF(iim,0:jjp1),ALF1(iim,0:jjp1)
83	REAL ALFQ(iim,0:jjp1),ALF1Q(iim,0:jjp1)
84	REAL TEMPTM ! Just temporal variable
85	c
86	C Special pour poles
87	c
88	REAL sbms,sfms,sfzs,sbmn,sfmn,sfzn
89	REAL sns0(ntra),snsz(ntra),snsm
90	REAL s1v(llm),slatv(llm)
91	REAL qy1(iim,llm,ntra),qylat(iim,llm,ntra)
92	REAL cx1(llm,ntra), cxLAT(llm,ntra)
93	REAL cy1(llm,ntra), cyLAT(llm,ntra)
94	REAL z1(iim), zcos(iim), zsin(iim)
95	real smpn,smps,s0pn,s0ps
96	REAL SSUM
97	EXTERNAL SSUM
98	C
99	REAL sqi,sqf
100	LOGICAL LIMIT
101
102	lon = iim ! rem : Il est possible qu'un pbl. arrive ici
103	lat = jjp1 ! a cause des dim. differentes entre les
104	niv=llm
105
106	C
107	C the moments Fi are used as temporary storage for
108	C portions of the grid boxes in transit at the current level
109	C
110	C work arrays
111	C
112
113	DO l = 1,llm
114	DO j = 1,jjm
115	DO i = 1,iip1
116	vgri (i,j,llm+1-l)=-1.*pbarv(i,j,l)
117	enddo
118	enddo
119	do i=1,iip1
120	vgri(i,0,l) = 0.
121	vgri(i,jjp1,l) = 0.
122	enddo
123	enddo
124
125	DO 1 L=1,NIV
126	C
127	C place limits on appropriate moments before transport
128	C (if flux-limiting is to be applied)
129	C
130	IF(.NOT.LIMIT) GO TO 11
131	C
132	DO 10 JV=1,NTRA
133	DO 10 K=1,LAT
134	DO 100 I=1,LON
135	sy(I,K,L,JV)=SIGN(AMIN1(AMAX1(S0(I,K,L,JV),0.),
136	+ ABS(sy(I,K,L,JV))),sy(I,K,L,JV))
137	100 CONTINUE
138	10 CONTINUE
139	C
140	11 CONTINUE
141	C
142	C le flux a travers le pole Nord est traite separement
143	C
144	SM0=0.
145	DO 20 JV=1,NTRA
146	S00(JV)=0.
147	20 CONTINUE
148	C
149	DO 21 I=1,LON
150	C
151	IF(VGRI(I,0,L).LE.0.) THEN
152	FM(I,0)=-VGRI(I,0,L)*DTY
153	ALF(I,0)=FM(I,0)/SM(I,1,L)
154	SM(I,1,L)=SM(I,1,L)-FM(I,0)
155	SM0=SM0+FM(I,0)
156	ENDIF
157	C
158	ALFQ(I,0)=ALF(I,0)*ALF(I,0)
159	ALF1(I,0)=1.-ALF(I,0)
160	ALF1Q(I,0)=ALF1(I,0)*ALF1(I,0)
161	C
162	21 CONTINUE
163	C
164	DO 22 JV=1,NTRA
165	DO 220 I=1,LON
166	C
167	IF(VGRI(I,0,L).LE.0.) THEN
168	C
169	F0(I,0,JV)=ALF(I,0)*
170	+ ( S0(I,1,L,JV)-ALF1(I,0)*sy(I,1,L,JV) )
171	C
172	S00(JV)=S00(JV)+F0(I,0,JV)
173	S0(I,1,L,JV)=S0(I,1,L,JV)-F0(I,0,JV)
174	sy(I,1,L,JV)=ALF1Q(I,0)*sy(I,1,L,JV)
175	sx(I,1,L,JV)=ALF1 (I,0)*sx(I,1,L,JV)
176	sz(I,1,L,JV)=ALF1 (I,0)*sz(I,1,L,JV)
177	C
178	ENDIF
179	C
180	220 CONTINUE
181	22 CONTINUE
182	C
183	DO 23 I=1,LON
184	IF(VGRI(I,0,L).GT.0.) THEN
185	FM(I,0)=VGRI(I,0,L)*DTY
186	ALF(I,0)=FM(I,0)/SM0
187	ENDIF
188	23 CONTINUE
189	C
190	DO 24 JV=1,NTRA
191	DO 240 I=1,LON
192	IF(VGRI(I,0,L).GT.0.) THEN
193	F0(I,0,JV)=ALF(I,0)*S00(JV)
194	ENDIF
195	240 CONTINUE
196	24 CONTINUE
197	C
198	C puts the temporary moments Fi into appropriate neighboring boxes
199	C
200	DO 25 I=1,LON
201	C
202	IF(VGRI(I,0,L).GT.0.) THEN
203	SM(I,1,L)=SM(I,1,L)+FM(I,0)
204	ALF(I,0)=FM(I,0)/SM(I,1,L)
205	ENDIF
206	C
207	ALF1(I,0)=1.-ALF(I,0)
208	C
209	25 CONTINUE
210	C
211	DO 26 JV=1,NTRA
212	DO 260 I=1,LON
213	C
214	IF(VGRI(I,0,L).GT.0.) THEN
215	C
216	TEMPTM=ALF(I,0)S0(I,1,L,JV)-ALF1(I,0)F0(I,0,JV)
217	S0(I,1,L,JV)=S0(I,1,L,JV)+F0(I,0,JV)
218	sy(I,1,L,JV)=ALF1(I,0)sy(I,1,L,JV)+3.TEMPTM
219	C
220	ENDIF
221	C
222	260 CONTINUE
223	26 CONTINUE
224	C
225	C calculate flux and moments between adjacent boxes
226	C 1- create temporary moments/masses for partial boxes in transit
227	C 2- reajusts moments remaining in the box
228	C
229	C flux from KP to K if V(K).lt.0 and from K to KP if V(K).gt.0
230	C
231	DO 30 K=1,LAT-1
232	KP=K+1
233	DO 300 I=1,LON
234	C
235	IF(VGRI(I,K,L).LT.0.) THEN
236	FM(I,K)=-VGRI(I,K,L)*DTY
237	ALF(I,K)=FM(I,K)/SM(I,KP,L)
238	SM(I,KP,L)=SM(I,KP,L)-FM(I,K)
239	ELSE
240	FM(I,K)=VGRI(I,K,L)*DTY
241	ALF(I,K)=FM(I,K)/SM(I,K,L)
242	SM(I,K,L)=SM(I,K,L)-FM(I,K)
243	ENDIF
244	C
245	ALFQ(I,K)=ALF(I,K)*ALF(I,K)
246	ALF1(I,K)=1.-ALF(I,K)
247	ALF1Q(I,K)=ALF1(I,K)*ALF1(I,K)
248	C
249	300 CONTINUE
250	30 CONTINUE
251	C
252	DO 31 JV=1,NTRA
253	DO 31 K=1,LAT-1
254	KP=K+1
255	DO 310 I=1,LON
256	C
257	IF(VGRI(I,K,L).LT.0.) THEN
258	C
259	F0(I,K,JV)=ALF (I,K)*
260	+ ( S0(I,KP,L,JV)-ALF1(I,K)*sy(I,KP,L,JV) )
261	FY(I,K,JV)=ALFQ(I,K)*sy(I,KP,L,JV)
262	FX(I,K,JV)=ALF (I,K)*sx(I,KP,L,JV)
263	FZ(I,K,JV)=ALF (I,K)*sz(I,KP,L,JV)
264	C
265	S0(I,KP,L,JV)=S0(I,KP,L,JV)-F0(I,K,JV)
266	sy(I,KP,L,JV)=ALF1Q(I,K)*sy(I,KP,L,JV)
267	sx(I,KP,L,JV)=sx(I,KP,L,JV)-FX(I,K,JV)
268	sz(I,KP,L,JV)=sz(I,KP,L,JV)-FZ(I,K,JV)
269	C
270	ELSE
271	C
272	F0(I,K,JV)=ALF (I,K)*
273	+ ( S0(I,K,L,JV)+ALF1(I,K)*sy(I,K,L,JV) )
274	FY(I,K,JV)=ALFQ(I,K)*sy(I,K,L,JV)
275	FX(I,K,JV)=ALF(I,K)*sx(I,K,L,JV)
276	FZ(I,K,JV)=ALF(I,K)*sz(I,K,L,JV)
277	C
278	S0(I,K,L,JV)=S0(I,K,L,JV)-F0(I,K,JV)
279	sy(I,K,L,JV)=ALF1Q(I,K)*sy(I,K,L,JV)
280	sx(I,K,L,JV)=sx(I,K,L,JV)-FX(I,K,JV)
281	sz(I,K,L,JV)=sz(I,K,L,JV)-FZ(I,K,JV)
282	C
283	ENDIF
284	C
285	310 CONTINUE
286	31 CONTINUE
287	C
288	C puts the temporary moments Fi into appropriate neighboring boxes
289	C
290	DO 32 K=1,LAT-1
291	KP=K+1
292	DO 320 I=1,LON
293	C
294	IF(VGRI(I,K,L).LT.0.) THEN
295	SM(I,K,L)=SM(I,K,L)+FM(I,K)
296	ALF(I,K)=FM(I,K)/SM(I,K,L)
297	ELSE
298	SM(I,KP,L)=SM(I,KP,L)+FM(I,K)
299	ALF(I,K)=FM(I,K)/SM(I,KP,L)
300	ENDIF
301	C
302	ALF1(I,K)=1.-ALF(I,K)
303	C
304	320 CONTINUE
305	32 CONTINUE
306	C
307	DO 33 JV=1,NTRA
308	DO 33 K=1,LAT-1
309	KP=K+1
310	DO 330 I=1,LON
311	C
312	IF(VGRI(I,K,L).LT.0.) THEN
313	C
314	TEMPTM=-ALF(I,K)S0(I,K,L,JV)+ALF1(I,K)F0(I,K,JV)
315	S0(I,K,L,JV)=S0(I,K,L,JV)+F0(I,K,JV)
316	sy(I,K,L,JV)=ALF(I,K)FY(I,K,JV)+ALF1(I,K)sy(I,K,L,JV)
317	+ +3.*TEMPTM
318	sx(I,K,L,JV)=sx(I,K,L,JV)+FX(I,K,JV)
319	sz(I,K,L,JV)=sz(I,K,L,JV)+FZ(I,K,JV)
320	C
321	ELSE
322	C
323	TEMPTM=ALF(I,K)S0(I,KP,L,JV)-ALF1(I,K)F0(I,K,JV)
324	S0(I,KP,L,JV)=S0(I,KP,L,JV)+F0(I,K,JV)
325	sy(I,KP,L,JV)=ALF(I,K)FY(I,K,JV)+ALF1(I,K)sy(I,KP,L,JV)
326	+ +3.*TEMPTM
327	sx(I,KP,L,JV)=sx(I,KP,L,JV)+FX(I,K,JV)
328	sz(I,KP,L,JV)=sz(I,KP,L,JV)+FZ(I,K,JV)
329	C
330	ENDIF
331	C
332	330 CONTINUE
333	33 CONTINUE
334	C
335	C traitement special pour le pole Sud (idem pole Nord)
336	C
337	K=LAT
338	C
339	SM0=0.
340	DO 40 JV=1,NTRA
341	S00(JV)=0.
342	40 CONTINUE
343	C
344	DO 41 I=1,LON
345	C
346	IF(VGRI(I,K,L).GE.0.) THEN
347	FM(I,K)=VGRI(I,K,L)*DTY
348	ALF(I,K)=FM(I,K)/SM(I,K,L)
349	SM(I,K,L)=SM(I,K,L)-FM(I,K)
350	SM0=SM0+FM(I,K)
351	ENDIF
352	C
353	ALFQ(I,K)=ALF(I,K)*ALF(I,K)
354	ALF1(I,K)=1.-ALF(I,K)
355	ALF1Q(I,K)=ALF1(I,K)*ALF1(I,K)
356	C
357	41 CONTINUE
358	C
359	DO 42 JV=1,NTRA
360	DO 420 I=1,LON
361	C
362	IF(VGRI(I,K,L).GE.0.) THEN
363	F0 (I,K,JV)=ALF(I,K)*
364	+ ( S0(I,K,L,JV)+ALF1(I,K)*sy(I,K,L,JV) )
365	S00(JV)=S00(JV)+F0(I,K,JV)
366	C
367	S0(I,K,L,JV)=S0 (I,K,L,JV)-F0 (I,K,JV)
368	sy(I,K,L,JV)=ALF1Q(I,K)*sy(I,K,L,JV)
369	sx(I,K,L,JV)=ALF1(I,K)*sx(I,K,L,JV)
370	sz(I,K,L,JV)=ALF1(I,K)*sz(I,K,L,JV)
371	ENDIF
372	C
373	420 CONTINUE
374	42 CONTINUE
375	C
376	DO 43 I=1,LON
377	IF(VGRI(I,K,L).LT.0.) THEN
378	FM(I,K)=-VGRI(I,K,L)*DTY
379	ALF(I,K)=FM(I,K)/SM0
380	ENDIF
381	43 CONTINUE
382	C
383	DO 44 JV=1,NTRA
384	DO 440 I=1,LON
385	IF(VGRI(I,K,L).LT.0.) THEN
386	F0(I,K,JV)=ALF(I,K)*S00(JV)
387	ENDIF
388	440 CONTINUE
389	44 CONTINUE
390	C
391	C puts the temporary moments Fi into appropriate neighboring boxes
392	C
393	DO 45 I=1,LON
394	C
395	IF(VGRI(I,K,L).LT.0.) THEN
396	SM(I,K,L)=SM(I,K,L)+FM(I,K)
397	ALF(I,K)=FM(I,K)/SM(I,K,L)
398	ENDIF
399	C
400	ALF1(I,K)=1.-ALF(I,K)
401	C
402	45 CONTINUE
403	C
404	DO 46 JV=1,NTRA
405	DO 460 I=1,LON
406	C
407	IF(VGRI(I,K,L).LT.0.) THEN
408	C
409	TEMPTM=-ALF(I,K)S0(I,K,L,JV)+ALF1(I,K)F0(I,K,JV)
410	S0(I,K,L,JV)=S0(I,K,L,JV)+F0(I,K,JV)
411	sy(I,K,L,JV)=ALF1(I,K)sy(I,K,L,JV)+3.TEMPTM
412	C
413	ENDIF
414	C
415	460 CONTINUE
416	46 CONTINUE
417	C
418	1 CONTINUE
419	C
420	RETURN
421	END
422

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