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dtadyn.F90 in trunk/NEMO/OFF_SRC – NEMO

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source: trunk/NEMO/OFF_SRC/dtadyn.F90 @ 1181

Last change on this file since 1181 was 1181, checked in by cetlod, 16 years ago
update modules to take into account new trends organization, see ticket:248
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 30.3 KB

Line
1	MODULE dtadyn
2	!!======================================================================
3	!! * MODULE dtadyn *
4	!! OFFLINE : interpolation of the physical fields
5	!!=====================================================================
6
7	!!----------------------------------------------------------------------
8	!! dta_dyn_init : initialization, namelist read, and parameters control
9	!! dta_dyn : Interpolation of the fields
10	!!----------------------------------------------------------------------
11	!! * Modules used
12	USE oce ! ocean dynamics and tracers variables
13	USE dom_oce ! ocean space and time domain variables
14	USE zdf_oce ! ocean vertical physics
15	USE in_out_manager ! I/O manager
16	USE phycst ! physical constants
17	USE sbc_oce
18	USE ldfslp
19	USE ldfeiv ! eddy induced velocity coef. (ldf_eiv routine)
20	USE ldftra_oce ! ocean tracer lateral physics
21	USE zdfmxl
22	USE trabbl ! tracers: bottom boundary layer
23	USE zdfddm ! vertical physics: double diffusion
24	USE lbclnk ! ocean lateral boundary conditions (or mpp link)
25	USE lib_mpp ! distributed memory computing library
26
27	IMPLICIT NONE
28	PRIVATE
29
30	!! * Routine accessibility
31	PUBLIC dta_dyn_init ! called by opa.F90
32	PUBLIC dta_dyn ! called by step.F90
33
34	!! * Module variables
35	INTEGER , PUBLIC, PARAMETER :: jpflx = 7
36	INTEGER , PUBLIC, PARAMETER :: &
37	jptaux = 1 , & ! indice in flux for taux
38	jptauy = 2 , & ! indice in flux for tauy
39	jpwind = 3 , & ! indice in flux for wind speed
40	jpemp = 4 , & ! indice in flux for E-P
41	jpice = 5 , & ! indice in flux for ice concentration
42	jpqsr = 6 ! indice in flux for shortwave heat flux
43
44	LOGICAL , PUBLIC :: &
45	lperdyn = .TRUE. , & ! boolean for periodic fields or not
46	lfirdyn = .TRUE. ! boolean for the first call or not
47
48	INTEGER , PUBLIC :: &
49	ndtadyn = 12 , & ! Number of dat in one year
50	ndtatot = 12 , & ! Number of data in the input field
51	nsptint = 1 , & ! type of spatial interpolation
52	nficdyn = 2 ! number of dynamical fields
53
54	INTEGER :: &
55	ndyn1, ndyn2 , &
56	nlecoff = 0 , & ! switch for the first read
57	numfl_t, numfl_u, &
58	numfl_v, numfl_w
59
60
61	REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: &
62	tdta , & ! temperature at two consecutive times
63	sdta , & ! salinity at two consecutive times
64	udta , & ! zonal velocity at two consecutive times
65	vdta , & ! meridional velocity at two consecutive times
66	wdta , & ! vertical velocity at two consecutive times
67	hdivdta, & ! horizontal divergence
68	avtdta ! vertical diffusivity coefficient
69
70
71	#if defined key_ldfslp
72	REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: &
73	uslpdta , & ! zonal isopycnal slopes
74	vslpdta , & ! meridional isopycnal slopes
75	wslpidta , & ! zonal diapycnal slopes
76	wslpjdta ! meridional diapycnal slopes
77	#endif
78
79	#if ! defined key_off_degrad
80
81	# if defined key_traldf_c2d
82	REAL(wp), DIMENSION(jpi,jpj,2) :: &
83	ahtwdta ! Lateral diffusivity
84	# if defined key_trcldf_eiv
85	REAL(wp), DIMENSION(jpi,jpj,2) :: &
86	aeiwdta ! G&M coefficient
87	# endif
88	# endif
89
90	#else
91
92	REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: &
93	ahtudta, ahtvdta, ahtwdta ! Lateral diffusivity
94	# if defined key_trcldf_eiv
95	REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: &
96	aeiudta, aeivdta, aeiwdta ! G&M coefficient
97	# endif
98
99	#endif
100	# if defined key_diaeiv
101	!! GM Velocity : to be used latter
102	REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: &
103	eivudta, eivvdta, eivwdta
104	# endif
105
106	REAL(wp), DIMENSION(jpi,jpj,jpflx,2) :: &
107	flxdta ! auxiliary 2-D forcing fields at two consecutive times
108	REAL(wp), DIMENSION(jpi,jpj,2) :: &
109	zmxldta ! mixed layer depth at two consecutive times
110
111	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
112	REAL(wp), DIMENSION(jpi,jpj,2) :: &
113	bblxdta , & ! frequency of bbl in the x direction at 2 consecutive times
114	bblydta ! frequency of bbl in the y direction at 2 consecutive times
115	#endif
116
117	!! * Substitutions
118	# include "domzgr_substitute.h90"
119	# include "vectopt_loop_substitute.h90"
120	!!----------------------------------------------------------------------
121	!! OPA 9.0 , LOCEAN-IPSL (2005)
122	!! $Id$
123	!! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt
124	!!----------------------------------------------------------------------
125
126	CONTAINS
127
128	SUBROUTINE dta_dyn_init
129	!!----------------------------------------------------------------------
130	!! * ROUTINE dta_dyn_init *
131	!!
132	!! ** Purpose : initializations of parameters for the interpolation
133	!!
134	!! ** Method :
135	!!
136	!! History :
137	!! ! original : 92-01 (M. Imbard: sub domain)
138	!! ! 98-04 (L.Bopp MA Foujols: slopes for isopyc.)
139	!! ! 98-05 (L. Bopp read output of coupled run)
140	!! ! 05-03 (O. Aumont and A. El Moussaoui) F90
141	!!----------------------------------------------------------------------
142	!! * Modules used
143
144	!! * Local declarations
145
146
147	NAMELIST/namdyn/ ndtadyn, ndtatot, nsptint, &
148	& nficdyn, lperdyn
149	!!----------------------------------------------------------------------
150
151	! Define the dynamical input parameters
152	! ======================================
153
154	! Read Namelist namdyn : Lateral physics on tracers
155	REWIND( numnam )
156	READ ( numnam, namdyn )
157
158	IF(lwp) THEN
159	WRITE(numout,*)
160	WRITE(numout,*) 'namdyn : offline dynamical selection'
161	WRITE(numout,*) '~~~~~~~'
162	WRITE(numout,*) ' Namelist namdyn : set parameters for the lecture of the dynamical fields'
163	WRITE(numout,*)
164	WRITE(numout,*) ' number of elements in the FILE for a year ndtadyn = ' , ndtadyn
165	WRITE(numout,*) ' total number of elements in the FILE ndtatot = ' , ndtatot
166	WRITE(numout,*) ' type of interpolation nsptint = ' , nsptint
167	WRITE(numout,*) ' number of dynamics FILE nficdyn = ' , nficdyn
168	WRITE(numout,*) ' loop on the same FILE lperdyn = ' , lperdyn
169	WRITE(numout,*) ' '
170	ENDIF
171
172	END SUBROUTINE dta_dyn_init
173
174	SUBROUTINE dta_dyn(kt)
175	!!----------------------------------------------------------------------
176	!! * ROUTINE dta_dyn *
177	!!
178	!! ** Purpose : Prepares dynamics and physics fields from an
179	!! OPA9 simulation for an off-line simulation
180	!! for passive tracer
181	!!
182	!! ** Method : calculates the position of DATA to read READ DATA
183	!! (example month changement) computes slopes IF needed
184	!! interpolates DATA IF needed
185	!!
186	!! ** History :
187	!! ! original : 92-01 (M. Imbard: sub domain)
188	!! ! addition : 98-04 (L.Bopp MA Foujols: slopes for isopyc.)
189	!! ! addition : 98-05 (L. Bopp read output of coupled run)
190	!! ! addition : 05-03 (O. Aumont and A. El Moussaoui) F90
191	!! ! addition : 05-12 (C. Ethe) Adapted for DEGINT
192	!!----------------------------------------------------------------------
193	!! * Modules used
194	USE eosbn2
195
196	!! * Arguments
197	INTEGER, INTENT( in ) :: kt ! ocean time-step index
198
199	!! * Local declarations
200	INTEGER :: iper, iperm1, iswap
201
202	REAL(wp) :: zpdtan, zpdtpe, zdemi, zt
203	REAL(wp) :: zweigh, zweighm1
204
205	REAL(wp), DIMENSION(jpi,jpj,jpflx) :: &
206	flx ! auxiliary field for 2-D surface boundary conditions
207
208
209	! 0. Initialization
210	! -----------------
211
212	IF (lfirdyn) THEN
213	!
214	! time step MUST BE nint000
215	!
216	IF (kt.ne.nit000) THEN
217	IF (lwp) THEN
218	WRITE (numout,*) ' kt MUST BE EQUAL to nit000. kt=',kt &
219	,' nit000=',nit000
220	END IF
221	STOP 'dtadyn'
222	END if
223	! Initialize the parameters of the interpolation
224	CALL dta_dyn_init
225	ENDIF
226
227
228	zpdtan = raass / rdt
229	zpdtpe = ((zpdtan / FLOAT (ndtadyn)))
230	zdemi = zpdtpe * 0.5
231	zt = (FLOAT (kt) + zdemi ) / zpdtpe
232
233	zweigh = zt - FLOAT(INT(zt))
234	zweighm1 = 1. - zweigh
235
236	IF (lperdyn) THEN
237	iperm1 = MOD(INT(zt),ndtadyn)
238	ELSE
239	iperm1 = MOD(INT(zt),(ndtatot-1)) + 1
240	ENDIF
241	iper = iperm1 + 1
242	IF (iperm1 == 0) THEN
243	IF (lperdyn) THEN
244	iperm1 = ndtadyn
245	ELSE
246	IF (lfirdyn) THEN
247	IF (lwp) THEN
248	WRITE (numout,*) ' dynamic file is not periodic '
249	WRITE (numout,*) ' with or without interpolation, '
250	WRITE (numout,*) ' we take the first value'
251	WRITE (numout,*) ' for the previous period '
252	WRITE (numout,*) ' iperm1 = 0 '
253	END IF
254	END IF
255	END IF
256	END IF
257
258	iswap = 0
259
260	! 1. First call lfirdyn = true
261	! ----------------------------
262
263	IF (lfirdyn) THEN
264	!
265	! store the information of the period read
266	!
267	ndyn1 = iperm1
268	ndyn2 = iper
269
270	IF (lwp) THEN
271	WRITE (numout,*) &
272	' dynamics DATA READ for the period ndyn1 =',ndyn1, &
273	& ' and for the period ndyn2 = ',ndyn2
274	WRITE (numout,*) ' time step is :',kt
275	WRITE (numout,*) ' we have ndtadyn = ',ndtadyn,&
276	& ' records in the dynamic FILE for one year'
277	END IF
278	!
279	! DATA READ for the iperm1 period
280	!
281	IF( iperm1 /= 0 ) THEN
282	CALL dynrea( kt, iperm1 )
283	ELSE
284	CALL dynrea( kt, 1 )
285	ENDIF
286	!
287	! Computes dynamical fields
288	!
289	tn(:,:,:)=tdta(:,:,:,2)
290	sn(:,:,:)=sdta(:,:,:,2)
291	avt(:,:,:)=avtdta(:,:,:,2)
292
293
294	IF(lwp) THEN
295	WRITE(numout,*)' temperature '
296	WRITE(numout,*)
297	CALL prihre(tn(1,1,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout)
298	WRITE(numout,*) ' level = ',jpk/2
299	CALL prihre(tn(1,1,jpk/2),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout)
300	WRITE(numout,*) ' level = ',jpkm1
301	CALL prihre(tn(1,1,jpkm1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout)
302	ENDIF
303
304	#if defined key_ldfslp
305	CALL eos( tn, sn, rhd, rhop ) ! Time-filtered in situ density
306	CALL bn2( tn, sn, rn2 ) ! before Brunt-Vaisala frequency
307	CALL zdf_mxl( kt ) ! mixed layer depth
308	CALL ldf_slp( kt, rhd, rn2 )
309
310	uslpdta(:,:,:,2)=uslp(:,:,:)
311	vslpdta(:,:,:,2)=vslp(:,:,:)
312	wslpidta(:,:,:,2)=wslpi(:,:,:)
313	wslpjdta(:,:,:,2)=wslpj(:,:,:)
314	#endif
315	!
316	! swap from record 2 to 1
317	!
318	udta(:,:,:,1)=udta(:,:,:,2)
319	vdta(:,:,:,1)=vdta(:,:,:,2)
320	wdta(:,:,:,1)=wdta(:,:,:,2)
321	#if defined key_trc_diatrd
322	hdivdta(:,:,:,1)=hdivdta(:,:,:,2)
323	#endif
324	avtdta(:,:,:,1)=avtdta(:,:,:,2)
325	tdta(:,:,:,1)=tdta(:,:,:,2)
326	sdta(:,:,:,1)=sdta(:,:,:,2)
327	#if defined key_ldfslp
328	uslpdta(:,:,:,1)=uslpdta(:,:,:,2)
329	vslpdta(:,:,:,1)=vslpdta(:,:,:,2)
330	wslpidta(:,:,:,1)=wslpidta(:,:,:,2)
331	wslpjdta(:,:,:,1)=wslpjdta(:,:,:,2)
332	#endif
333	flxdta(:,:,:,1) = flxdta(:,:,:,2)
334	zmxldta(:,:,1)=zmxldta(:,:,2)
335	#if ! defined key_off_degrad
336
337	# if defined key_traldf_c2d
338	ahtwdta(:,:,1)= ahtwdta(:,:,2)
339	# if defined key_trcldf_eiv
340	aeiwdta(:,:,1)= aeiwdta(:,:,2)
341	# endif
342	# endif
343
344	#else
345	ahtudta(:,:,:,1) = ahtudta(:,:,:,2)
346	ahtvdta(:,:,:,1) = ahtvdta(:,:,:,2)
347	ahtwdta(:,:,:,1) = ahtwdta(:,:,:,2)
348	# if defined key_trcldf_eiv
349	aeiudta(:,:,:,1) = aeiudta(:,:,:,2)
350	aeivdta(:,:,:,1) = aeivdta(:,:,:,2)
351	aeiwdta(:,:,:,1) = aeiwdta(:,:,:,2)
352	# endif
353
354	#endif
355
356	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
357	bblxdta(:,:,1)=bblxdta(:,:,2)
358	bblydta(:,:,1)=bblydta(:,:,2)
359	#endif
360	!
361	! indicates a swap
362	!
363	iswap = 1
364	!
365	! DATA READ for the iper period
366	!
367	CALL dynrea( kt, iper )
368	!
369	! Computes wdta (and slopes if key_trahdfiso)
370	!
371	tn(:,:,:)=tdta(:,:,:,2)
372	sn(:,:,:)=sdta(:,:,:,2)
373	avt(:,:,:)=avtdta(:,:,:,2)
374
375
376	#if defined key_ldfslp
377	CALL eos( tn, sn, rhd, rhop ) ! Time-filtered in situ density
378	CALL bn2( tn, sn, rn2 ) ! before Brunt-Vaisala frequency
379	CALL zdf_mxl( kt ) ! mixed layer depth
380	CALL ldf_slp( kt, rhd, rn2 )
381
382	uslpdta(:,:,:,2)=uslp(:,:,:)
383	vslpdta(:,:,:,2)=vslp(:,:,:)
384	wslpidta(:,:,:,2)=wslpi(:,:,:)
385	wslpjdta(:,:,:,2)=wslpj(:,:,:)
386	#endif
387	!
388	! trace the first CALL
389	!
390	lfirdyn=.FALSE.
391	ENDIF
392	!
393	! and now what we have to DO at every time step
394	!
395	! check the validity of the period in memory
396	!
397	IF (iperm1.NE.ndyn1) THEN
398	IF (iperm1.EQ.0.) THEN
399	IF (lwp) THEN
400	WRITE (numout,*) ' dynamic file is not periodic '
401	WRITE (numout,*) ' with or without interpolation, '
402	WRITE (numout,*) ' we take the last value'
403	WRITE (numout,*) ' for the last period '
404	WRITE (numout,*) ' iperm1 = 12 '
405	WRITE (numout,*) ' iper = 13'
406	ENDIF
407	iperm1 = 12
408	iper =13
409	ENDIF
410	!
411	! we have to prepare a NEW READ of DATA
412	!
413	! swap from record 2 to 1
414	!
415	udta(:,:,:,1) = udta(:,:,:,2)
416	vdta(:,:,:,1) = vdta(:,:,:,2)
417	wdta(:,:,:,1) = wdta(:,:,:,2)
418	#if defined key_trc_diatrd
419	hdivdta(:,:,:,1)=hdivdta(:,:,:,2)
420	#endif
421	avtdta(:,:,:,1) = avtdta(:,:,:,2)
422	tdta(:,:,:,1) = tdta(:,:,:,2)
423	sdta(:,:,:,1) = sdta(:,:,:,2)
424	#if defined key_ldfslp
425	uslpdta(:,:,:,1) = uslpdta(:,:,:,2)
426	vslpdta(:,:,:,1) = vslpdta(:,:,:,2)
427	wslpidta(:,:,:,1) = wslpidta(:,:,:,2)
428	wslpjdta(:,:,:,1) = wslpjdta(:,:,:,2)
429	#endif
430	flxdta(:,:,:,1) = flxdta(:,:,:,2)
431	zmxldta(:,:,1) = zmxldta(:,:,2)
432
433	#if ! defined key_off_degrad
434
435	# if defined key_traldf_c2d
436	ahtwdta(:,:,1)= ahtwdta(:,:,2)
437	# if defined key_trcldf_eiv
438	aeiwdta(:,:,1)= aeiwdta(:,:,2)
439	# endif
440	# endif
441
442	#else
443	ahtudta(:,:,:,1) = ahtudta(:,:,:,2)
444	ahtvdta(:,:,:,1) = ahtvdta(:,:,:,2)
445	ahtwdta(:,:,:,1) = ahtwdta(:,:,:,2)
446	# if defined key_trcldf_eiv
447	aeiudta(:,:,:,1) = aeiudta(:,:,:,2)
448	aeivdta(:,:,:,1) = aeivdta(:,:,:,2)
449	aeiwdta(:,:,:,1) = aeiwdta(:,:,:,2)
450	# endif
451
452	#endif
453
454	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
455	bblxdta(:,:,1) = bblxdta(:,:,2)
456	bblydta(:,:,1) = bblydta(:,:,2)
457	#endif
458	!
459	! indicates a swap
460	!
461	iswap = 1
462	!
463	! READ DATA for the iper period
464	!
465	CALL dynrea( kt, iper )
466	!
467	! Computes wdta (and slopes if key_trahdfiso)
468	!
469	tn(:,:,:)=tdta(:,:,:,2)
470	sn(:,:,:)=sdta(:,:,:,2)
471	avt(:,:,:)=avtdta(:,:,:,2)
472
473	#if defined key_ldfslp
474	CALL eos( tn, sn, rhd, rhop ) ! Time-filtered in situ density
475	CALL bn2( tn, sn, rn2 ) ! before Brunt-Vaisala frequency
476	CALL zdf_mxl( kt ) ! mixed layer depth
477	CALL ldf_slp( kt, rhd, rn2 )
478
479	uslpdta(:,:,:,2)=uslp(:,:,:)
480	vslpdta(:,:,:,2)=vslp(:,:,:)
481	wslpidta(:,:,:,2)=wslpi(:,:,:)
482	wslpjdta(:,:,:,2)=wslpj(:,:,:)
483	#endif
484	!
485	! store the information of the period read
486	!
487	ndyn1 = ndyn2
488	ndyn2 = iper
489	!
490	! we have READ another period of DATA !
491	IF (lwp) THEN
492	WRITE (numout,*) ' dynamics DATA READ for the period ndyn1 =',ndyn1
493	WRITE (numout,*) ' and the period ndyn2 = ',ndyn2
494	WRITE (numout,*) ' time step is :',kt
495	END IF
496
497	END IF
498
499	!
500	! compute the DATA at the given time step
501	!
502	IF ( nsptint == 0 ) THEN
503	!
504	! no spatial interpolation
505	!
506	! DATA are probably correct
507	! we have to initialize DATA IF we have changed the period
508	!
509	IF (iswap.eq.1) THEN
510	!
511	! initialize now fields with the NEW DATA READ
512	!
513	un(:,:,:)=udta(:,:,:,2)
514	vn(:,:,:)=vdta(:,:,:,2)
515	wn(:,:,:)=wdta(:,:,:,2)
516	hdivn(:,:,:)=hdivdta(:,:,:,2)
517	#if defined key_trc_zdfddm
518	avs(:,:,:)=avtdta(:,:,:,2)
519	#endif
520	avt(:,:,:)=avtdta(:,:,:,2)
521	tn(:,:,:)=tdta(:,:,:,2)
522	sn(:,:,:)=sdta(:,:,:,2)
523	#if defined key_ldfslp
524	uslp(:,:,:)=uslpdta(:,:,:,2)
525	vslp(:,:,:)=vslpdta(:,:,:,2)
526	wslpi(:,:,:)=wslpidta(:,:,:,2)
527	wslpj(:,:,:)=wslpjdta(:,:,:,2)
528	#endif
529	flx(:,:,:) = flxdta(:,:,:,2)
530	hmld(:,:)=zmxldta(:,:,2)
531	#if ! defined key_off_degrad
532
533	# if defined key_traldf_c2d
534	ahtwdta(:,:,1)= ahtwdta(:,:,2)
535	# if defined key_trcldf_eiv
536	aeiwdta(:,:,1)= aeiwdta(:,:,2)
537	# endif
538	# endif
539
540	#else
541	ahtudta(:,:,:,1) = ahtudta(:,:,:,2)
542	ahtvdta(:,:,:,1) = ahtvdta(:,:,:,2)
543	ahtwdta(:,:,:,1) = ahtwdta(:,:,:,2)
544	# if defined key_trcldf_eiv
545	aeiudta(:,:,:,1) = aeiudta(:,:,:,2)
546	aeivdta(:,:,:,1) = aeivdta(:,:,:,2)
547	aeiwdta(:,:,:,1) = aeiwdta(:,:,:,2)
548	# endif
549
550	#endif
551
552	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
553	bblx(:,:)=bblxdta(:,:,2)
554	bbly(:,:)=bblydta(:,:,2)
555	#endif
556	!
557	! keep needed fluxes
558	!
559	wndm(:,:) = flx(:,:,jpwind)
560	fr_i(:,:) = flx(:,:,jpice)
561	emp(:,:) = flx(:,:,jpemp)
562	emps(:,:) = emp(:,:)
563	qsr(:,:) = flx(:,:,jpqsr)
564
565	END IF
566
567	ELSE
568	IF ( nsptint == 1 ) THEN
569	!
570	! linear interpolation
571	!
572	! initialize now fields with a linear interpolation
573	!
574	un(:,:,:) = zweighm1 * udta(:,:,:,1) + zweigh * udta(:,:,:,2)
575	vn(:,:,:) = zweighm1 * vdta(:,:,:,1) + zweigh * vdta(:,:,:,2)
576	wn(:,:,:) = zweighm1 * wdta(:,:,:,1) + zweigh * wdta(:,:,:,2)
577	hdivn(:,:,:) = zweighm1 * hdivdta(:,:,:,1) + zweigh * hdivdta(:,:,:,2)
578	#if defined key_zdfddm
579	avs(:,:,:)= zweighm1 * avtdta(:,:,:,1) + zweigh * avtdta(:,:,:,2)
580	#endif
581	avt(:,:,:)= zweighm1 * avtdta(:,:,:,1) + zweigh * avtdta(:,:,:,2)
582	tn(:,:,:) = zweighm1 * tdta(:,:,:,1) + zweigh * tdta(:,:,:,2)
583	sn(:,:,:) = zweighm1 * sdta(:,:,:,1) + zweigh * sdta(:,:,:,2)
584
585
586	#if defined key_ldfslp
587	uslp(:,:,:) = zweighm1 * uslpdta(:,:,:,1) + zweigh * uslpdta(:,:,:,2)
588	vslp(:,:,:) = zweighm1 * vslpdta(:,:,:,1) + zweigh * vslpdta(:,:,:,2)
589	wslpi(:,:,:) = zweighm1 * wslpidta(:,:,:,1) + zweigh * wslpidta(:,:,:,2)
590	wslpj(:,:,:) = zweighm1 * wslpjdta(:,:,:,1) + zweigh * wslpjdta(:,:,:,2)
591	#endif
592	flx(:,:,:) = zweighm1 * flxdta(:,:,:,1) + zweigh * flxdta(:,:,:,2)
593	hmld(:,:) = zweighm1 * zmxldta(:,:,1) + zweigh * zmxldta(:,:,2)
594	#if ! defined key_off_degrad
595
596	# if defined key_traldf_c2d
597	ahtw(:,:) = zweighm1 * ahtwdta(:,:,1) + zweigh * ahtwdta(:,:,2)
598	# if defined key_trcldf_eiv
599	aeiw(:,:) = zweighm1 * aeiwdta(:,:,1) + zweigh * aeiwdta(:,:,2)
600	# endif
601	# endif
602
603	#else
604	ahtu(:,:,:) = zweighm1 * ahtudta(:,:,:,1) + zweigh * ahtudta(:,:,:,2)
605	ahtv(:,:,:) = zweighm1 * ahtvdta(:,:,:,1) + zweigh * ahtvdta(:,:,:,2)
606	ahtw(:,:,:) = zweighm1 * ahtwdta(:,:,:,1) + zweigh * ahtwdta(:,:,:,2)
607	# if defined key_trcldf_eiv
608	aeiu(:,:,:) = zweighm1 * aeiudta(:,:,:,1) + zweigh * aeiudta(:,:,:,2)
609	aeiv(:,:,:) = zweighm1 * aeivdta(:,:,:,1) + zweigh * aeivdta(:,:,:,2)
610	aeiw(:,:,:) = zweighm1 * aeiwdta(:,:,:,1) + zweigh * aeiwdta(:,:,:,2)
611	# endif
612
613	#endif
614
615	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
616	bblx(:,:) = zweighm1 * bblxdta(:,:,1) + zweigh * bblxdta(:,:,2)
617	bbly(:,:) = zweighm1 * bblydta(:,:,1) + zweigh * bblydta(:,:,2)
618	#endif
619	!
620	! keep needed fluxes
621	!
622	wndm(:,:) = flx(:,:,jpwind)
623	fr_i(:,:) = flx(:,:,jpice)
624	emp(:,:) = flx(:,:,jpemp)
625	emps(:,:) = emp(:,:)
626	qsr(:,:) = flx(:,:,jpqsr)
627	!
628	! other interpolation
629	!
630	ELSE
631
632	WRITE (numout,*) ' this kind of interpolation don t EXIST'
633	WRITE (numout,*) ' at the moment. we STOP '
634	STOP 'dtadyn'
635
636	END IF
637
638	END IF
639	!
640	! lb in any case, we need rhop
641	!
642	CALL eos( tn, sn, rhd, rhop )
643
644	#if ! defined key_off_degrad && defined key_traldf_c2d
645	! In case of 2D varying coefficients, we need aeiv and aeiu
646	IF( lk_traldf_eiv ) CALL ldf_eiv( kt ) ! eddy induced velocity coefficient
647	#endif
648
649	END SUBROUTINE dta_dyn
650
651	SUBROUTINE dynrea( kt, kenr )
652	!!----------------------------------------------------------------------
653	!! * ROUTINE dynrea *
654	!!
655	!! ** Purpose : READ dynamics fiels from OPA9 netcdf output
656	!!
657	!! ** Method : READ the kenr records of DATA and store in
658	!! in udta(...,2), ....
659	!!
660	!! ** History : additions : M. Levy et M. Benjelloul jan 2001
661	!! (netcdf FORMAT)
662	!! 05-03 (O. Aumont and A. El Moussaoui) F90
663	!! 06-07 : (C. Ethe) use of iom module
664	!!----------------------------------------------------------------------
665	!! * Modules used
666	USE iom
667
668	!! * Arguments
669	INTEGER, INTENT( in ) :: kt, kenr ! time index
670	!! * Local declarations
671	INTEGER :: ji, jj, jk, jkenr
672
673	REAL(wp), DIMENSION(jpi,jpj,jpk) :: &
674	zu, zv, zw, zt, zs, zavt , & ! 3-D dynamical fields
675	zhdiv ! horizontal divergence
676
677	REAL(wp), DIMENSION(jpi,jpj) :: &
678	zemp, zqsr, zmld, zice, zwspd
679	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
680	REAL(wp), DIMENSION(jpi,jpj) :: &
681	zbblx, zbbly
682	#endif
683
684	#if ! defined key_off_degrad
685
686	# if defined key_traldf_c2d
687	REAL(wp), DIMENSION(jpi,jpj) :: &
688	zahtw
689	# if defined key_trcldf_eiv
690	REAL(wp), DIMENSION(jpi,jpj) :: &
691	zaeiw
692	# endif
693	# endif
694
695	#else
696
697	REAL(wp), DIMENSION(jpi,jpj,jpk) :: &
698	zahtu, zahtv, zahtw ! Lateral diffusivity
699	# if defined key_trcldf_eiv
700	REAL(wp), DIMENSION(jpi,jpj,jpk) :: &
701	zaeiu, zaeiv, zaeiw ! G&M coefficient
702	# endif
703
704	#endif
705
706	# if defined key_diaeiv
707	!! GM Velocity : to be used latter
708	REAL(wp), DIMENSION(jpi,jpj,jpk) :: &
709	zeivu, zeivv, zeivw
710	# endif
711
712	CHARACTER(len=45) :: &
713	clname_t = 'dyna_grid_T.nc', &
714	clname_u = 'dyna_grid_U.nc', &
715	clname_v = 'dyna_grid_V.nc', &
716	clname_w = 'dyna_grid_W.nc'
717	!
718	! 0. Initialization
719	! cas d'un fichier non periodique : on utilise deux fois le premier et
720	! le dernier champ temporel
721
722	jkenr = kenr
723
724	IF(lwp) THEN
725	WRITE(numout,*)
726	WRITE(numout,*) 'Dynrea : reading dynamical fields, kenr = ', jkenr
727	WRITE(numout,*) ' ~~~~~~~'
728	#if defined key_off_degrad
729	WRITE(numout,*) ' Degraded fields'
730	#endif
731	WRITE(numout,*)
732	ENDIF
733
734
735	IF( kt == nit000 .AND. nlecoff == 0 ) THEN
736
737	nlecoff = 1
738
739	CALL iom_open ( clname_t, numfl_t )
740	CALL iom_open ( clname_u, numfl_u )
741	CALL iom_open ( clname_v, numfl_v )
742	CALL iom_open ( clname_w, numfl_w )
743
744	ENDIF
745
746	! file grid-T
747	!---------------
748	CALL iom_get ( numfl_t, jpdom_data, 'votemper', zt (:,:,:), jkenr )
749	CALL iom_get ( numfl_t, jpdom_data, 'vosaline', zs (:,:,:), jkenr )
750	CALL iom_get ( numfl_t, jpdom_data, 'somixhgt', zmld (:,: ), jkenr )
751	CALL iom_get ( numfl_t, jpdom_data, 'sowaflcd', zemp (:,: ), jkenr )
752	CALL iom_get ( numfl_t, jpdom_data, 'soshfldo', zqsr (:,: ), jkenr )
753	CALL iom_get ( numfl_t, jpdom_data, 'soicecov', zice (:,: ), jkenr )
754	CALL iom_get ( numfl_t, jpdom_data, 'sowindsp', zwspd(:,: ), jkenr )
755
756	! file grid-U
757	!---------------
758	CALL iom_get ( numfl_u, jpdom_data, 'vozocrtx', zu (:,:,:), jkenr )
759	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
760	CALL iom_get ( numfl_u, jpdom_data, 'sobblcox', zbblx(:,: ), jkenr )
761	#endif
762
763	#if defined key_diaeiv
764	!! GM Velocity : to be used latter
765	CALL iom_get ( numfl_u, jpdom_data, 'vozoeivu', zeivu(:,:,:), jkenr )
766	#endif
767
768	# if defined key_off_degrad
769	CALL iom_get ( numfl_u, jpdom_data, 'vozoahtu', zahtu(:,:,:), jkenr )
770	# if defined key_trcldf_eiv
771	CALL iom_get ( numfl_u, jpdom_data, 'vozoaeiu', zaeiu(:,:,:), jkenr )
772	# endif
773	#endif
774
775	! file grid-V
776	!---------------
777	CALL iom_get ( numfl_v, jpdom_data, 'vomecrty', zv (:,:,:), jkenr )
778	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
779	CALL iom_get ( numfl_v, jpdom_data, 'sobblcoy', zbbly(:,: ), jkenr )
780	#endif
781
782	#if defined key_diaeiv
783	!! GM Velocity : to be used latter
784	CALL iom_get ( numfl_v, jpdom_data, 'vomeeivv', zeivv(:,:,:), jkenr )
785	#endif
786
787	#if defined key_off_degrad
788	CALL iom_get ( numfl_v, jpdom_data, 'vomeahtv', zahtv(:,:,:), jkenr )
789	# if defined key_trcldf_eiv
790	CALL iom_get ( numfl_v, jpdom_data, 'vomeaeiv', zaeiv(:,:,:), jkenr )
791	# endif
792	#endif
793
794	! file grid-W
795	!---------------
796	!! CALL iom_get ( numfl_w, jpdom_data, 'vovecrtz', zw (:,:,:), jkenr )
797	# if defined key_zdfddm
798	CALL iom_get ( numfl_w, jpdom_data, 'voddmavs', zavt (:,:,:), jkenr )
799	#else
800	CALL iom_get ( numfl_w, jpdom_data, 'votkeavt', zavt (:,:,:), jkenr )
801	#endif
802
803	# if defined key_diaeiv
804	!! GM Velocity : to be used latter
805	CALL iom_get ( numfl_w, jpdom_data, 'voveeivw', zeivw(:,:,:), jkenr )
806	#endif
807
808	#if ! defined key_off_degrad
809	# if defined key_traldf_c2d
810	CALL iom_get ( numfl_w, jpdom_data, 'soleahtw', zahtw (:,: ), jkenr )
811	# if defined key_trcldf_eiv
812	CALL iom_get ( numfl_w, jpdom_data, 'soleaeiw', zaeiw (:,: ), jkenr )
813	# endif
814	# endif
815	#else
816	!! degradation-integration
817	CALL iom_get ( numfl_w, jpdom_data, 'voveahtw', zahtw(:,:,:), jkenr )
818	# if defined key_trcldf_eiv
819	CALL iom_get ( numfl_w, jpdom_data, 'voveaeiw', zaeiw(:,:,:), jkenr )
820	# endif
821	#endif
822
823	udta(:,:,:,2) = zu(:,:,:) * umask(:,:,:)
824	vdta(:,:,:,2) = zv(:,:,:) * vmask(:,:,:)
825	!! wdta(:,:,:,2) = zw(:,:,:) * tmask(:,:,:)
826
827
828	! Computation of vertical velocity using horizontal divergence
829	zhdiv(:,:,:) = 0.
830	DO jk = 1, jpkm1
831	DO jj = 2, jpjm1
832	DO ji = fs_2, fs_jpim1 ! vector opt.
833	#if defined key_zco
834	zhdiv(ji,jj,jk) = ( e2u(ji,jj) * udta(ji,jj,jk,2) - e2u(ji-1,jj ) * udta(ji-1,jj ,jk,2) &
835	& + e1v(ji,jj) * vdta(ji,jj,jk,2) - e1v(ji ,jj-1) * vdta(ji ,jj-1,jk,2) ) &
836	& / ( e1t(ji,jj) * e2t(ji,jj) )
837	#else
838	zhdiv(ji,jj,jk) = &
839	( e2u(ji,jj)fse3u(ji,jj,jk)udta(ji,jj,jk,2) - e2u(ji-1,jj)fse3u(ji-1,jj,jk)udta(ji-1,jj,jk,2) &
840	+ e1v(ji,jj)fse3v(ji,jj,jk)vdta(ji,jj,jk,2) - e1v(ji,jj-1)fse3v(ji,jj-1,jk)vdta(ji,jj-1,jk,2) ) &
841	/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) )
842	#endif
843	END DO
844	END DO
845	ENDDO
846
847	! Lateral boundary conditions on hdiv
848	CALL lbc_lnk( zhdiv, 'T', 1. )
849
850
851	! computation of vertical velocity from the bottom
852	zw(:,:,jpk) = 0.
853	DO jk = jpkm1, 1, -1
854	zw(:,:,jk) = zw(:,:,jk+1) - fse3t(:,:,jk) * zhdiv(:,:,jk)
855	END DO
856
857	wdta(:,:,:,2) = zw(:,:,:) * tmask(:,:,:)
858	hdivdta(:,:,:,2) = zhdiv(:,:,:) * tmask(:,:,:)
859
860	tdta(:,:,:,2) = zt(:,:,:) * tmask(:,:,:)
861	sdta(:,:,:,2) = zs(:,:,:) * tmask(:,:,:)
862	avtdta(:,:,:,2) = zavt(:,:,:) * tmask(:,:,:)
863	#if ! defined key_off_degrad && defined key_traldf_c2d
864	ahtwdta(:,:,2) = zahtw(:,:) * tmask(:,:,1)
865	#if defined key_trcldf_eiv
866	aeiwdta(:,:,2) = zaeiw(:,:) * tmask(:,:,1)
867	#endif
868	#endif
869
870	#if defined key_off_degrad
871	ahtudta(:,:,:,2) = zahtu(:,:,:) * umask(:,:,:)
872	ahtvdta(:,:,:,2) = zahtv(:,:,:) * vmask(:,:,:)
873	ahtwdta(:,:,:,2) = zahtw(:,:,:) * tmask(:,:,:)
874	# if defined key_trcldf_eiv
875	aeiudta(:,:,:,2) = zaeiu(:,:,:) * umask(:,:,:)
876	aeivdta(:,:,:,2) = zaeiv(:,:,:) * vmask(:,:,:)
877	aeiwdta(:,:,:,2) = zaeiw(:,:,:) * tmask(:,:,:)
878	# endif
879	#endif
880
881	!
882	! flux :
883	!
884	flxdta(:,:,jpwind,2) = zwspd(:,:) * tmask(:,:,1)
885	flxdta(:,:,jpice,2) = MIN( 1., zice(:,:) ) * tmask(:,:,1)
886	flxdta(:,:,jpemp,2) = zemp(:,:) * tmask(:,:,1)
887	flxdta(:,:,jpqsr,2) = zqsr(:,:) * tmask(:,:,1)
888	zmxldta(:,:,2) = zmld(:,:) * tmask(:,:,1)
889
890	#if defined key_trcbbl_dif \|\| defined key_trcbbl_adv
891	bblxdta(:,:,2) = MAX( 0., zbblx(:,:) )
892	bblydta(:,:,2) = MAX( 0., zbbly(:,:) )
893
894	WHERE( bblxdta(:,:,2) > 2. ) bblxdta(:,:,2) = 0.
895	WHERE( bblydta(:,:,2) > 2. ) bblydta(:,:,2) = 0.
896
897	#endif
898
899	IF( kt == nitend ) THEN
900	CALL iom_close ( numfl_t )
901	CALL iom_close ( numfl_u )
902	CALL iom_close ( numfl_v )
903	CALL iom_close ( numfl_w )
904	ENDIF
905
906	END SUBROUTINE dynrea
907
908
909
910	END MODULE dtadyn

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