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asminc.F90

Last change on this file was 14794, checked in by jwhile, 3 years ago
Updates for Gulf18, see UTILS ticket 442
File size: 66.1 KB

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1	MODULE asminc
2	!!======================================================================
3	!! * MODULE asminc *
4	!! Assimilation increment : Apply an increment generated by data
5	!! assimilation
6	!!======================================================================
7	!! History : ! 2007-03 (M. Martin) Met Office version
8	!! ! 2007-04 (A. Weaver) calc_date original code
9	!! ! 2007-04 (A. Weaver) Merge with OPAVAR/NEMOVAR
10	!! NEMO 3.3 ! 2010-05 (D. Lea) Update to work with NEMO v3.2
11	!! - ! 2010-05 (D. Lea) add calc_month_len routine based on day_init
12	!! 3.4 ! 2012-10 (A. Weaver and K. Mogensen) Fix for direct initialization
13	!!----------------------------------------------------------------------
14
15	!!----------------------------------------------------------------------
16	!! 'key_asminc' : Switch on the assimilation increment interface
17	!!----------------------------------------------------------------------
18	!! asm_inc_init : Initialize the increment arrays and IAU weights
19	!! calc_date : Compute the calendar date YYYYMMDD on a given step
20	!! tra_asm_inc : Apply the tracer (T and S) increments
21	!! dyn_asm_inc : Apply the dynamic (u and v) increments
22	!! ssh_asm_inc : Apply the SSH increment
23	!! seaice_asm_inc : Apply the sea ice concentration increment
24	!! sit_asm_inc : Apply the sea ice thickness increment
25	!!----------------------------------------------------------------------
26	USE wrk_nemo ! Memory Allocation
27	USE par_oce ! Ocean space and time domain variables
28	USE dom_oce ! Ocean space and time domain
29	USE domvvl ! domain: variable volume level
30	USE oce ! Dynamics and active tracers defined in memory
31	USE ldfdyn_oce ! ocean dynamics: lateral physics
32	USE eosbn2 ! Equation of state - in situ and potential density
33	USE zpshde ! Partial step : Horizontal Derivative
34	USE iom ! Library to read input files
35	USE asmpar ! Parameters for the assmilation interface
36	USE c1d ! 1D initialization
37	USE in_out_manager ! I/O manager
38	USE lib_mpp ! MPP library
39	#if defined key_lim2
40	USE ice_2 ! LIM2
41	#endif
42	USE sbc_oce ! Surface boundary condition variables.
43	USE zdfmxl, ONLY : &
44	& hmld_tref, &
45	#if defined key_karaml
46	& hmld_kara, &
47	& ln_kara, &
48	#endif
49	& hmld, &
50	& hmlp, &
51	& hmlpt
52	#if defined key_bdy
53	USE bdy_oce, ONLY: bdytmask
54	#endif
55	USE asmbgc ! Biogeochemistry assimilation
56
57	IMPLICIT NONE
58	PRIVATE
59
60	PUBLIC asm_inc_init !: Initialize the increment arrays and IAU weights
61	PUBLIC calc_date !: Compute the calendar date YYYYMMDD on a given step
62	PUBLIC tra_asm_inc !: Apply the tracer (T and S) increments
63	PUBLIC dyn_asm_inc !: Apply the dynamic (u and v) increments
64	PUBLIC ssh_asm_inc !: Apply the SSH increment
65	PUBLIC seaice_asm_inc !: Apply the seaice concentration increment
66	PUBLIC sit_asm_inc !: Apply the seaice thickness increment
67	PUBLIC bgc_asm_inc !: Apply the biogeochemistry increments
68
69	#if defined key_asminc
70	LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .TRUE. !: Logical switch for assimilation increment interface
71	#else
72	LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .FALSE. !: No assimilation increments
73	#endif
74	LOGICAL, PUBLIC :: ln_bkgwri = .FALSE. !: No output of the background state fields
75	LOGICAL, PUBLIC :: ln_avgbkg = .FALSE. !: No output of the mean background state fields
76	LOGICAL, PUBLIC :: ln_asmiau = .FALSE. !: No applying forcing with an assimilation increment
77	LOGICAL, PUBLIC :: ln_asmdin = .FALSE. !: No direct initialization
78	LOGICAL, PUBLIC :: ln_trainc = .FALSE. !: No tracer (T and S) assimilation increments
79	LOGICAL, PUBLIC :: ln_dyninc = .FALSE. !: No dynamics (u and v) assimilation increments
80	LOGICAL, PUBLIC :: ln_ssh_hs_cons = .FALSE. !: Conserve heat and salt when adding SSH increment
81	LOGICAL, PUBLIC :: ln_sshinc = .FALSE. !: No sea surface height assimilation increment
82	LOGICAL, PUBLIC :: ln_seaiceinc = .FALSE. !: No sea ice concentration increment
83	LOGICAL, PUBLIC :: ln_sitinc = .FALSE. !: No sea ice thickness increment
84	LOGICAL, PUBLIC :: lk_bgcinc = .FALSE. !: No biogeochemistry increments
85	LOGICAL, PUBLIC :: ln_salfix = .FALSE. !: Apply minimum salinity check
86	LOGICAL, PUBLIC :: ln_temnofreeze = .FALSE. !: Don't allow the temperature to drop below freezing
87	INTEGER, PUBLIC :: nn_divdmp !: Apply divergence damping filter nn_divdmp times
88
89	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkg , s_bkg !: Background temperature and salinity
90	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkg , v_bkg !: Background u- & v- velocity components
91	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkginc, s_bkginc !: Increment to the background T & S
92	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkginc, v_bkginc !: Increment to the u- & v-components
93	REAL(wp), PUBLIC, DIMENSION(:) , ALLOCATABLE :: wgtiau !: IAU weights for each time step
94	#if defined key_asminc
95	REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ssh_iau !: IAU-weighted sea surface height increment
96	#endif
97	! !!! time steps relative to the cycle interval [0,nitend-nit000-1]
98	INTEGER , PUBLIC :: nitbkg !: Time step of the background state used in the Jb term
99	INTEGER , PUBLIC :: nitdin !: Time step of the background state for direct initialization
100	INTEGER , PUBLIC :: nitiaustr !: Time step of the start of the IAU interval
101	INTEGER , PUBLIC :: nitiaufin !: Time step of the end of the IAU interval
102	INTEGER , PUBLIC :: nitavgbkg !: Number of timesteps to average assim bkg [0,nitavgbkg]
103	!
104	INTEGER , PUBLIC :: niaufn !: Type of IAU weighing function: = 0 Constant weighting
105	! !: = 1 Linear hat-like, centred in middle of IAU interval
106	REAL(wp), PUBLIC :: salfixmin !: Ensure that the salinity is larger than this value if (ln_salfix)
107
108	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ssh_bkg, ssh_bkginc ! Background sea surface height and its increment
109	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: seaice_bkginc ! Increment to the background sea ice conc
110
111	INTEGER :: mld_choice = 4 !: choice of mld criteria to use for physics assimilation
112	!: 1) hmld - Turbocline/mixing depth [W points]
113	!: 2) hmlp - Density criterion (0.01 kg/m^3 change from 10m) [W points]
114	!: 3) hmld_kara - Kara MLD [Interpolated]
115	!: 4) hmld_tref - Temperature criterion (0.2 K change from surface) [T points]
116
117
118	!! * Substitutions
119	# include "domzgr_substitute.h90"
120	# include "ldfdyn_substitute.h90"
121	# include "vectopt_loop_substitute.h90"
122	!!----------------------------------------------------------------------
123	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
124	!! $Id$
125	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
126	!!----------------------------------------------------------------------
127	CONTAINS
128
129	SUBROUTINE asm_inc_init
130	!!----------------------------------------------------------------------
131	!! * ROUTINE asm_inc_init *
132	!!
133	!! ** Purpose : Initialize the assimilation increment and IAU weights.
134	!!
135	!! ** Method : Initialize the assimilation increment and IAU weights.
136	!!
137	!! ** Action :
138	!!----------------------------------------------------------------------
139	INTEGER :: ji, jj, jk, jt ! dummy loop indices
140	INTEGER :: imid, inum ! local integers
141	INTEGER :: ios ! Local integer output status for namelist read
142	INTEGER :: iiauper ! Number of time steps in the IAU period
143	INTEGER :: icycper ! Number of time steps in the cycle
144	INTEGER :: iitend_date ! Date YYYYMMDD of final time step
145	INTEGER :: iitbkg_date ! Date YYYYMMDD of background time step for Jb term
146	INTEGER :: iitdin_date ! Date YYYYMMDD of background time step for DI
147	INTEGER :: iitiaustr_date ! Date YYYYMMDD of IAU interval start time step
148	INTEGER :: iitiaufin_date ! Date YYYYMMDD of IAU interval final time step
149	INTEGER :: isurfstat ! Local integer for status of reading surft variable
150	INTEGER :: iitavgbkg_date ! Date YYYYMMDD of end of assim bkg averaging period
151	!
152	REAL(wp) :: znorm ! Normalization factor for IAU weights
153	REAL(wp) :: ztotwgt ! Value of time-integrated IAU weights (should be equal to one)
154	REAL(wp) :: z_inc_dateb ! Start date of interval on which increment is valid
155	REAL(wp) :: z_inc_datef ! End date of interval on which increment is valid
156	REAL(wp) :: zdate_bkg ! Date in background state file for DI
157	REAL(wp) :: zdate_inc ! Time axis in increments file
158	!
159	REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: &
160	& t_bkginc_2d ! file for reading in 2D
161	! ! temperature increments
162	REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: &
163	& z_mld ! Mixed layer depth
164
165	REAL(wp), POINTER, DIMENSION(:,:) :: hdiv ! 2D workspace
166	!
167	LOGICAL :: lk_surft ! Logical: T => Increments file contains surft variable
168	! so only apply surft increments.
169	CHARACTER(50) :: cn_surftname ! Name of the surft variable in the increments file
170	!!
171	NAMELIST/nam_asminc/ ln_bkgwri, ln_avgbkg, ln_balwri, &
172	& ln_trainc, ln_dyninc, ln_sshinc, &
173	& ln_phytobal, ln_slchltotinc, ln_slchldiainc, &
174	& ln_slchlnaninc, ln_slchlpicinc, ln_slchldininc, &
175	& ln_slchlnoninc, ln_schltotinc, ln_slphytotinc, &
176	& ln_slphydiainc, ln_slphynoninc, ln_spco2inc, &
177	& ln_sfco2inc, ln_plchltotinc, ln_pchltotinc, &
178	& ln_plchldiainc, ln_plchlnaninc, ln_plchlpicinc, &
179	& ln_plchldininc, &
180	& ln_pno3inc, ln_psi4inc, ln_pdicinc, ln_palkinc, &
181	& ln_pphinc, ln_po2inc, ln_ppo4inc, &
182	& ln_asmdin, ln_asmiau, ln_ssh_hs_cons, &
183	& nitbkg, nitdin, nitiaustr, nitiaufin, niaufn, &
184	& ln_salfix, salfixmin, nn_divdmp, nitavgbkg, &
185	& mld_choice, mld_choice_bgc, rn_maxchlinc, &
186	& cn_surftname
187
188	!!----------------------------------------------------------------------
189
190	!-----------------------------------------------------------------------
191	! Read Namelist nam_asminc : assimilation increment interface
192	!-----------------------------------------------------------------------
193
194	! Set default values
195	ln_bkgwri = .FALSE.
196	ln_avgbkg = .FALSE.
197	ln_trainc = .FALSE.
198	ln_dyninc = .FALSE.
199	ln_sshinc = .FALSE.
200	ln_asmdin = .FALSE.
201	ln_asmiau = .TRUE.
202	ln_salfix = .FALSE.
203
204	ln_ssh_hs_cons = .FALSE.
205	ln_seaiceinc = .FALSE.
206	ln_sitinc = .FALSE.
207	ln_temnofreeze = .FALSE.
208
209	salfixmin = -9999
210	nitbkg = 0
211	nitdin = 0
212	nitiaustr = 1
213	nitiaufin = 150
214	niaufn = 0
215	nitavgbkg = 1
216	cn_surftname = "surft"
217
218	REWIND( numnam_ref ) ! Namelist nam_asminc in reference namelist : Assimilation increment
219	READ ( numnam_ref, nam_asminc, IOSTAT = ios, ERR = 901)
220	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in reference namelist', lwp )
221
222	REWIND( numnam_cfg ) ! Namelist nam_asminc in configuration namelist : Assimilation increment
223	READ ( numnam_cfg, nam_asminc, IOSTAT = ios, ERR = 902 )
224	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in configuration namelist', lwp )
225	IF(lwm) WRITE ( numond, nam_asminc )
226
227	! Control print
228	IF(lwp) THEN
229	WRITE(numout,*)
230	WRITE(numout,*) 'asm_inc_init : Assimilation increment initialization :'
231	WRITE(numout,*) '~~~~~~~~~~~~'
232	WRITE(numout,*) ' Namelist nam_asminc : set assimilation increment parameters'
233	WRITE(numout,*) ' Logical switch for writing out background state ln_bkgwri = ', ln_bkgwri
234	WRITE(numout,*) ' Logical switch for writing mean background state ln_avgbkg = ', ln_avgbkg
235	WRITE(numout,*) ' Logical switch for writing out balancing increments ln_balwri = ', ln_balwri
236	WRITE(numout,*) ' Logical switch for applying tracer increments ln_trainc = ', ln_trainc
237	WRITE(numout,*) ' Logical switch for applying velocity increments ln_dyninc = ', ln_dyninc
238	WRITE(numout,*) ' Logical switch for conserving heat/salt when applying SSH increments ln_ssh_hs_cons = ', ln_ssh_hs_cons
239	WRITE(numout,*) ' Logical switch for applying SSH increments ln_sshinc = ', ln_sshinc
240	WRITE(numout,*) ' Logical switch for applying SIC increments ln_seaiceinc = ', ln_seaiceinc
241	WRITE(numout,*) ' Logical switch for applying SIT increments ln_sitinc = ', ln_sitinc
242	WRITE(numout,*) ' Logical switch for Direct Initialization (DI) ln_asmdin = ', ln_asmdin
243	WRITE(numout,*) ' Logical switch for Incremental Analysis Updating (IAU) ln_asmiau = ', ln_asmiau
244	WRITE(numout,*) ' Timestep of background in [0,nitend-nit000-1] nitbkg = ', nitbkg
245	WRITE(numout,*) ' Timestep of background for DI in [0,nitend-nit000-1] nitdin = ', nitdin
246	WRITE(numout,*) ' Timestep of start of IAU interval in [0,nitend-nit000-1] nitiaustr = ', nitiaustr
247	WRITE(numout,*) ' Timestep of end of IAU interval in [0,nitend-nit000-1] nitiaufin = ', nitiaufin
248	WRITE(numout,*) ' Number of timesteps to average assim bkg [0,nitavgbkg] nitavgbkg = ', nitavgbkg
249	WRITE(numout,*) ' Type of IAU weighting function niaufn = ', niaufn
250	WRITE(numout,*) ' Logical switch for ensuring that the sa > salfixmin ln_salfix = ', ln_salfix
251	WRITE(numout,*) ' Minimum salinity after applying the increments salfixmin = ', salfixmin
252	WRITE(numout,*) ' Choice of MLD for physics assimilation mld_choice = ', mld_choice
253	WRITE(numout,*) ' Choice of MLD for BGC assimilation mld_choice_bgc = ', mld_choice_bgc
254	WRITE(numout,*) ' Maximum absolute chlorophyll increment (<=0 = off) rn_maxchlinc = ', rn_maxchlinc
255	WRITE(numout,*) ' Logical switch for phytoplankton balancing ln_phytobal = ', ln_phytobal
256	WRITE(numout,*) ' Logical switch for applying slchltot increments ln_slchltotinc = ', ln_slchltotinc
257	WRITE(numout,*) ' Logical switch for applying slchldia increments ln_slchldiainc = ', ln_slchldiainc
258	WRITE(numout,*) ' Logical switch for applying slchlnon increments ln_slchlnoninc = ', ln_slchlnoninc
259	WRITE(numout,*) ' Logical switch for applying slchlnan increments ln_slchlnaninc = ', ln_slchlnaninc
260	WRITE(numout,*) ' Logical switch for applying slchlpic increments ln_slchlpicinc = ', ln_slchlpicinc
261	WRITE(numout,*) ' Logical switch for applying slchldin increments ln_slchldininc = ', ln_slchldininc
262	WRITE(numout,*) ' Logical switch for applying schltot increments ln_schltotinc = ', ln_schltotinc
263	WRITE(numout,*) ' Logical switch for applying slphytot increments ln_slphytotinc = ', ln_slphytotinc
264	WRITE(numout,*) ' Logical switch for applying slphydia increments ln_slphydiainc = ', ln_slphydiainc
265	WRITE(numout,*) ' Logical switch for applying slphynon increments ln_slphynoninc = ', ln_slphynoninc
266	WRITE(numout,*) ' Logical switch for applying spco2 increments ln_spco2inc = ', ln_spco2inc
267	WRITE(numout,*) ' Logical switch for applying sfco2 increments ln_sfco2inc = ', ln_sfco2inc
268	WRITE(numout,*) ' Logical switch for applying plchltot increments ln_plchltotinc = ', ln_plchltotinc
269	WRITE(numout,*) ' Logical switch for applying pchltot increments ln_pchltotinc = ', ln_pchltotinc
270	WRITE(numout,*) ' Logical switch for applying plchldia increments ln_plchldiainc = ', ln_plchldiainc
271	WRITE(numout,*) ' Logical switch for applying plchlnan increments ln_plchlnaninc = ', ln_plchlnaninc
272	WRITE(numout,*) ' Logical switch for applying plchlpic increments ln_plchlpicinc = ', ln_plchlpicinc
273	WRITE(numout,*) ' Logical switch for applying plchldin increments ln_plchldininc = ', ln_plchldininc
274	WRITE(numout,*) ' Logical switch for applying pno3 increments ln_pno3inc = ', ln_pno3inc
275	WRITE(numout,*) ' Logical switch for applying psi4 increments ln_psi4inc = ', ln_psi4inc
276	WRITE(numout,*) ' Logical switch for applying ppo4 increments ln_ppo4inc = ', ln_ppo4inc
277	WRITE(numout,*) ' Logical switch for applying pdic increments ln_pdicinc = ', ln_pdicinc
278	WRITE(numout,*) ' Logical switch for applying palk increments ln_palkinc = ', ln_palkinc
279	WRITE(numout,*) ' Logical switch for applying pph increments ln_pphinc = ', ln_pphinc
280	WRITE(numout,*) ' Logical switch for applying po2 increments ln_po2inc = ', ln_po2inc
281	WRITE(numout,*) ' Surface temperature variable name (if applicable) cn_surftname = ', cn_surftname
282	ENDIF
283
284	nitbkg_r = nitbkg + nit000 - 1 ! Background time referenced to nit000
285	nitdin_r = nitdin + nit000 - 1 ! Background time for DI referenced to nit000
286	nitiaustr_r = nitiaustr + nit000 - 1 ! Start of IAU interval referenced to nit000
287	nitiaufin_r = nitiaufin + nit000 - 1 ! End of IAU interval referenced to nit000
288	nitavgbkg_r = nitavgbkg + nit000 - 1 ! Averaging period referenced to nit000
289
290	iiauper = nitiaufin_r - nitiaustr_r + 1 ! IAU interval length
291	icycper = nitend - nit000 + 1 ! Cycle interval length
292
293	CALL calc_date( nit000, nitend , ndate0, iitend_date ) ! Date of final time step
294	CALL calc_date( nit000, nitbkg_r , ndate0, iitbkg_date ) ! Background time for Jb referenced to ndate0
295	CALL calc_date( nit000, nitdin_r , ndate0, iitdin_date ) ! Background time for DI referenced to ndate0
296	CALL calc_date( nit000, nitiaustr_r, ndate0, iitiaustr_date ) ! IAU start time referenced to ndate0
297	CALL calc_date( nit000, nitiaufin_r, ndate0, iitiaufin_date ) ! IAU end time referenced to ndate0
298	CALL calc_date( nit000, nitavgbkg_r, ndate0, iitavgbkg_date ) ! End of assim bkg averaging period referenced to ndate0
299	!
300	IF(lwp) THEN
301	WRITE(numout,*)
302	WRITE(numout,*) ' Time steps referenced to current cycle:'
303	WRITE(numout,*) ' iitrst = ', nit000 - 1
304	WRITE(numout,*) ' nit000 = ', nit000
305	WRITE(numout,*) ' nitend = ', nitend
306	WRITE(numout,*) ' nitbkg_r = ', nitbkg_r
307	WRITE(numout,*) ' nitdin_r = ', nitdin_r
308	WRITE(numout,*) ' nitiaustr_r = ', nitiaustr_r
309	WRITE(numout,*) ' nitiaufin_r = ', nitiaufin_r
310	WRITE(numout,*) ' nitavgbkg_r = ', nitavgbkg_r
311	WRITE(numout,*)
312	WRITE(numout,*) ' Dates referenced to current cycle:'
313	WRITE(numout,*) ' ndastp = ', ndastp
314	WRITE(numout,*) ' ndate0 = ', ndate0
315	WRITE(numout,*) ' iitend_date = ', iitend_date
316	WRITE(numout,*) ' iitbkg_date = ', iitbkg_date
317	WRITE(numout,*) ' iitdin_date = ', iitdin_date
318	WRITE(numout,*) ' iitiaustr_date = ', iitiaustr_date
319	WRITE(numout,*) ' iitiaufin_date = ', iitiaufin_date
320	WRITE(numout,*) ' iitavgbkg_date = ', iitavgbkg_date
321	ENDIF
322	IF ( ln_slchltotinc .OR. ln_slchldiainc .OR. ln_slchlnoninc .OR. &
323	& ln_slchlnaninc .OR. ln_slchlpicinc .OR. ln_slchldininc .OR. &
324	& ln_schltotinc .OR. ln_slphytotinc .OR. ln_slphydiainc .OR. &
325	& ln_slphynoninc .OR. ln_spco2inc .OR. ln_sfco2inc .OR. &
326	& ln_plchltotinc .OR. ln_pchltotinc .OR. ln_plchldiainc .OR. &
327	& ln_plchlnaninc .OR. ln_plchlpicinc .OR. ln_plchldininc .OR. &
328	& ln_pno3inc .OR. &
329	& ln_psi4inc .OR. ln_pdicinc .OR. ln_palkinc .OR. &
330	& ln_pphinc .OR. ln_po2inc .OR. ln_ppo4inc ) THEN
331	lk_bgcinc = .TRUE.
332	ENDIF
333
334	IF ( nacc /= 0 ) &
335	& CALL ctl_stop( ' nacc /= 0 and key_asminc :', &
336	& ' Assimilation increments have only been implemented', &
337	& ' for synchronous time stepping' )
338
339	IF ( ( ln_asmdin ).AND.( ln_asmiau ) ) &
340	& CALL ctl_stop( ' ln_asmdin and ln_asmiau :', &
341	& ' Choose Direct Initialization OR Incremental Analysis Updating')
342
343	IF ( ( ( .NOT. ln_asmdin ).AND.( .NOT. ln_asmiau ) ) &
344	& .AND.( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ).OR. &
345	& ( ln_sitinc ).OR.( lk_bgcinc ) )) &
346	& CALL ctl_stop( ' One or more of ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', &
347	& ' ln_sitinc and ln_(bgc-variable)inc is set to .true.', &
348	& ' but ln_asmdin and ln_asmiau are both set to .false. :', &
349	& ' Inconsistent options')
350
351	IF ( ( niaufn /= 0 ).AND.( niaufn /= 1 ) ) &
352	& CALL ctl_stop( ' niaufn /= 0 or niaufn /=1 :', &
353	& ' Type IAU weighting function is invalid')
354
355	IF ( ( .NOT. ln_trainc ).AND.( .NOT. ln_dyninc ).AND.( .NOT. ln_sshinc ).AND.( .NOT. ln_seaiceinc ) &
356	& .AND.( .NOT. ln_sitinc ).AND.( .NOT. lk_bgcinc ) ) &
357	& CALL ctl_warn( ' ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', &
358	& ' ln_sitinc and ln_(bgc-variable)inc are set to .false. :', &
359	& ' The assimilation increments are not applied')
360
361	IF ( ( ln_asmiau ).AND.( nitiaustr == nitiaufin ) ) &
362	& CALL ctl_stop( ' nitiaustr = nitiaufin :', &
363	& ' IAU interval is of zero length')
364
365	IF ( ( ln_asmiau ).AND.( ( nitiaustr_r < nit000 ).OR.( nitiaufin_r > nitend ) ) ) &
366	& CALL ctl_stop( ' nitiaustr or nitiaufin :', &
367	& ' IAU starting or final time step is outside the cycle interval', &
368	& ' Valid range nit000 to nitend')
369
370	IF ( ( nitbkg_r < nit000 - 1 ).OR.( nitbkg_r > nitend ) ) &
371	& CALL ctl_stop( ' nitbkg :', &
372	& ' Background time step is outside the cycle interval')
373
374	IF ( ( nitdin_r < nit000 - 1 ).OR.( nitdin_r > nitend ) ) &
375	& CALL ctl_stop( ' nitdin :', &
376	& ' Background time step for Direct Initialization is outside', &
377	& ' the cycle interval')
378
379	IF ( nitavgbkg_r > nitend ) &
380	& CALL ctl_stop( ' nitavgbkg_r :', &
381	& ' Assim bkg averaging period is outside', &
382	& ' the cycle interval')
383
384	IF ( lk_bgcinc ) CALL asm_bgc_check_options
385
386	IF ( nstop > 0 ) RETURN ! if there are any errors then go no further
387
388	!--------------------------------------------------------------------
389	! Initialize the Incremental Analysis Updating weighting function
390	!--------------------------------------------------------------------
391
392	IF ( ln_asmiau ) THEN
393
394	ALLOCATE( wgtiau( icycper ) )
395
396	wgtiau(:) = 0.0
397
398	IF ( niaufn == 0 ) THEN
399
400	!---------------------------------------------------------
401	! Constant IAU forcing
402	!---------------------------------------------------------
403
404	DO jt = 1, iiauper
405	wgtiau(jt+nitiaustr-1) = 1.0 / REAL( iiauper )
406	END DO
407
408	ELSEIF ( niaufn == 1 ) THEN
409
410	!---------------------------------------------------------
411	! Linear hat-like, centred in middle of IAU interval
412	!---------------------------------------------------------
413
414	! Compute the normalization factor
415	znorm = 0.0
416	IF ( MOD( iiauper, 2 ) == 0 ) THEN ! Even number of time steps in IAU interval
417	imid = iiauper / 2
418	DO jt = 1, imid
419	znorm = znorm + REAL( jt )
420	END DO
421	znorm = 2.0 * znorm
422	ELSE ! Odd number of time steps in IAU interval
423	imid = ( iiauper + 1 ) / 2
424	DO jt = 1, imid - 1
425	znorm = znorm + REAL( jt )
426	END DO
427	znorm = 2.0 * znorm + REAL( imid )
428	ENDIF
429	znorm = 1.0 / znorm
430
431	DO jt = 1, imid - 1
432	wgtiau(jt+nitiaustr-1) = REAL( jt ) * znorm
433	END DO
434	DO jt = imid, iiauper
435	wgtiau(jt+nitiaustr-1) = REAL( iiauper - jt + 1 ) * znorm
436	END DO
437
438	ENDIF
439
440	! Test that the integral of the weights over the weighting interval equals 1
441	IF(lwp) THEN
442	WRITE(numout,*)
443	WRITE(numout,*) 'asm_inc_init : IAU weights'
444	WRITE(numout,*) '~~~~~~~~~~~~'
445	WRITE(numout,*) ' time step IAU weight'
446	WRITE(numout,*) ' ========= ====================='
447	ztotwgt = 0.0
448	DO jt = 1, icycper
449	ztotwgt = ztotwgt + wgtiau(jt)
450	WRITE(numout,*) ' ', jt, ' ', wgtiau(jt)
451	END DO
452	WRITE(numout,*) ' ==================================='
453	WRITE(numout,*) ' Time-integrated weight = ', ztotwgt
454	WRITE(numout,*) ' ==================================='
455	ENDIF
456
457	ENDIF
458
459	!--------------------------------------------------------------------
460	! Allocate and initialize the increment arrays
461	!--------------------------------------------------------------------
462
463	IF ( ln_trainc ) THEN
464	ALLOCATE( t_bkginc(jpi,jpj,jpk) )
465	ALLOCATE( s_bkginc(jpi,jpj,jpk) )
466	t_bkginc(:,:,:) = 0.0
467	s_bkginc(:,:,:) = 0.0
468	ENDIF
469	IF ( ln_dyninc ) THEN
470	ALLOCATE( u_bkginc(jpi,jpj,jpk) )
471	ALLOCATE( v_bkginc(jpi,jpj,jpk) )
472	u_bkginc(:,:,:) = 0.0
473	v_bkginc(:,:,:) = 0.0
474	ENDIF
475	IF ( ln_sshinc ) THEN
476	ALLOCATE( ssh_bkginc(jpi,jpj) )
477	ssh_bkginc(:,:) = 0.0
478	ENDIF
479	IF ( ln_seaiceinc ) THEN
480	ALLOCATE( seaice_bkginc(jpi,jpj))
481	seaice_bkginc(:,:) = 0.0
482	ENDIF
483	IF ( ln_sitinc ) THEN
484	ALLOCATE( sit_bkginc(jpi,jpj))
485	sit_bkginc(:,:) = 0.0
486	ENDIF
487	#if defined key_asminc
488	ALLOCATE( ssh_iau(jpi,jpj) )
489	ssh_iau(:,:) = 0.0
490	#endif
491	IF ( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ) &
492	& .OR.( ln_sitinc ).OR.( lk_bgcinc ) ) THEN
493
494	!--------------------------------------------------------------------
495	! Read the increments from file
496	!--------------------------------------------------------------------
497
498	CALL iom_open( c_asminc, inum )
499
500	CALL iom_get( inum, 'time', zdate_inc )
501
502	CALL iom_get( inum, 'z_inc_dateb', z_inc_dateb )
503	CALL iom_get( inum, 'z_inc_datef', z_inc_datef )
504	z_inc_dateb = zdate_inc
505	z_inc_datef = zdate_inc
506
507	IF(lwp) THEN
508	WRITE(numout,*)
509	WRITE(numout,*) 'asm_inc_init : Assimilation increments valid ', &
510	& ' between dates ', NINT( z_inc_dateb ),' and ', &
511	& NINT( z_inc_datef )
512	WRITE(numout,*) '~~~~~~~~~~~~'
513	ENDIF
514
515	IF ( ( NINT( z_inc_dateb ) < ndastp ) &
516	& .OR.( NINT( z_inc_datef ) > iitend_date ) ) &
517	& CALL ctl_warn( ' Validity time of assimilation increments is ', &
518	& ' outside the assimilation interval' )
519
520	IF ( ( ln_asmdin ).AND.( NINT( zdate_inc ) /= iitdin_date ) ) &
521	& CALL ctl_warn( ' Validity time of assimilation increments does ', &
522	& ' not agree with Direct Initialization time' )
523
524	IF ( ln_trainc ) THEN
525
526	!Test if the increments file contains the surft variable.
527	isurfstat = iom_varid( inum, 'bckin'//TRIM(cn_surftname), ldstop = .FALSE. )
528	IF ( isurfstat == -1 ) THEN
529	lk_surft = .FALSE.
530	ELSE
531	lk_surft = .TRUE.
532	CALL ctl_warn( ' Applying 2D temperature increment to bottom of ML: ', &
533	& ' bckin'//TRIM(cn_surftname)//' found in increments file.' )
534	ENDIF
535
536	IF (lk_surft) THEN
537
538	ALLOCATE(z_mld(jpi,jpj))
539	SELECT CASE(mld_choice)
540	CASE(1)
541	z_mld = hmld
542	CASE(2)
543	z_mld = hmlp
544	CASE(3)
545	#if defined key_karaml
546	IF ( ln_kara ) THEN
547	z_mld = hmld_kara
548	ELSE
549	CALL ctl_stop("Kara mixed layer not calculated as ln_kara=.false.")
550	ENDIF
551	#else
552	CALL ctl_stop("Kara mixed layer not defined in current version of NEMO") ! JW: Safety feature, should be removed
553	! once the Kara mixed layer is available
554	#endif
555	CASE(4)
556	z_mld = hmld_tref
557	END SELECT
558
559	ALLOCATE( t_bkginc_2d(jpi,jpj) )
560	CALL iom_get( inum, jpdom_autoglo, 'bckin'//TRIM(cn_surftname), t_bkginc_2d, 1)
561	#if defined key_bdy
562	DO jk = 1,jpkm1
563	WHERE( z_mld(:,:) > fsdepw(:,:,jk) )
564	t_bkginc(:,:,jk) = t_bkginc_2d(:,:) * 0.5 * &
565	& ( 1 + cos( (fsdept(:,:,jk)/z_mld(:,:) ) * rpi ) )
566
567	t_bkginc(:,:,jk) = t_bkginc(:,:,jk) * bdytmask(:,:)
568	ELSEWHERE
569	t_bkginc(:,:,jk) = 0.
570	ENDWHERE
571	ENDDO
572	#else
573	t_bkginc(:,:,:) = 0.
574	#endif
575	s_bkginc(:,:,:) = 0.
576
577	DEALLOCATE(z_mld, t_bkginc_2d)
578
579	ELSE
580
581	CALL iom_get( inum, jpdom_autoglo, 'bckint', t_bkginc, 1 )
582	CALL iom_get( inum, jpdom_autoglo, 'bckins', s_bkginc, 1 )
583	! Apply the masks
584	t_bkginc(:,:,:) = t_bkginc(:,:,:) * tmask(:,:,:)
585	s_bkginc(:,:,:) = s_bkginc(:,:,:) * tmask(:,:,:)
586	! Set missing increments to 0.0 rather than 1e+20
587	! to allow for differences in masks
588	WHERE( ABS( t_bkginc(:,:,:) ) > 1.0e+10 ) t_bkginc(:,:,:) = 0.0
589	WHERE( ABS( s_bkginc(:,:,:) ) > 1.0e+10 ) s_bkginc(:,:,:) = 0.0
590
591	ENDIF
592
593	ENDIF
594
595	IF ( ln_dyninc ) THEN
596	CALL iom_get( inum, jpdom_autoglo, 'bckinu', u_bkginc, 1 )
597	CALL iom_get( inum, jpdom_autoglo, 'bckinv', v_bkginc, 1 )
598	! Apply the masks
599	u_bkginc(:,:,:) = u_bkginc(:,:,:) * umask(:,:,:)
600	v_bkginc(:,:,:) = v_bkginc(:,:,:) * vmask(:,:,:)
601	! Set missing increments to 0.0 rather than 1e+20
602	! to allow for differences in masks
603	WHERE( ABS( u_bkginc(:,:,:) ) > 1.0e+10 ) u_bkginc(:,:,:) = 0.0
604	WHERE( ABS( v_bkginc(:,:,:) ) > 1.0e+10 ) v_bkginc(:,:,:) = 0.0
605	ENDIF
606
607	IF ( ln_sshinc ) THEN
608	CALL iom_get( inum, jpdom_autoglo, 'bckineta', ssh_bkginc, 1 )
609	! Apply the masks
610	ssh_bkginc(:,:) = ssh_bkginc(:,:) * tmask(:,:,1)
611	! Set missing increments to 0.0 rather than 1e+20
612	! to allow for differences in masks
613	WHERE( ABS( ssh_bkginc(:,:) ) > 1.0e+10 ) ssh_bkginc(:,:) = 0.0
614	ENDIF
615
616	IF ( ln_seaiceinc ) THEN
617	CALL iom_get( inum, jpdom_autoglo, 'bckinseaice', seaice_bkginc, 1 )
618	! Apply the masks
619	seaice_bkginc(:,:) = seaice_bkginc(:,:) * tmask(:,:,1)
620	! Set missing increments to 0.0 rather than 1e+20
621	! to allow for differences in masks
622	WHERE( ABS( seaice_bkginc(:,:) ) > 1.0e+10 ) seaice_bkginc(:,:) = 0.0
623	ENDIF
624
625	IF ( lk_bgcinc ) THEN
626	CALL asm_bgc_init_incs( inum )
627	ENDIF
628
629	CALL iom_close( inum )
630
631	ENDIF
632
633	!-----------------------------------------------------------------------
634	! Apply divergence damping filter
635	!-----------------------------------------------------------------------
636
637	IF ( ln_dyninc .AND. nn_divdmp > 0 ) THEN
638
639	CALL wrk_alloc(jpi,jpj,hdiv)
640
641	DO jt = 1, nn_divdmp
642
643	DO jk = 1, jpkm1
644
645	hdiv(:,:) = 0._wp
646
647	DO jj = 2, jpjm1
648	DO ji = fs_2, fs_jpim1 ! vector opt.
649	hdiv(ji,jj) = &
650	( e2u(ji ,jj ) * fse3u(ji ,jj ,jk) * u_bkginc(ji ,jj ,jk) &
651	- e2u(ji-1,jj ) * fse3u(ji-1,jj ,jk) * u_bkginc(ji-1,jj ,jk) &
652	+ e1v(ji ,jj ) * fse3v(ji ,jj ,jk) * v_bkginc(ji ,jj ,jk) &
653	- e1v(ji ,jj-1) * fse3v(ji ,jj-1,jk) * v_bkginc(ji ,jj-1,jk) ) &
654	/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) )
655	END DO
656	END DO
657
658	CALL lbc_lnk( hdiv, 'T', 1. ) ! lateral boundary cond. (no sign change)
659
660	DO jj = 2, jpjm1
661	DO ji = fs_2, fs_jpim1 ! vector opt.
662	u_bkginc(ji,jj,jk) = u_bkginc(ji,jj,jk) + 0.2_wp * ( e1t(ji+1,jj)e2t(ji+1,jj) hdiv(ji+1,jj) &
663	- e1t(ji ,jj)e2t(ji ,jj) hdiv(ji ,jj) ) &
664	/ e1u(ji,jj) * umask(ji,jj,jk)
665	v_bkginc(ji,jj,jk) = v_bkginc(ji,jj,jk) + 0.2_wp * ( e1t(ji,jj+1)e2t(ji,jj+1) hdiv(ji,jj+1) &
666	- e1t(ji,jj )e2t(ji,jj ) hdiv(ji,jj ) ) &
667	/ e2v(ji,jj) * vmask(ji,jj,jk)
668	END DO
669	END DO
670
671	END DO
672
673	END DO
674
675	CALL wrk_dealloc(jpi,jpj,hdiv)
676
677	ENDIF
678
679
680
681	!-----------------------------------------------------------------------
682	! Allocate and initialize the background state arrays
683	!-----------------------------------------------------------------------
684
685	IF ( ln_asmdin ) THEN
686
687	ALLOCATE( t_bkg(jpi,jpj,jpk) )
688	ALLOCATE( s_bkg(jpi,jpj,jpk) )
689	ALLOCATE( u_bkg(jpi,jpj,jpk) )
690	ALLOCATE( v_bkg(jpi,jpj,jpk) )
691	ALLOCATE( ssh_bkg(jpi,jpj) )
692
693	t_bkg(:,:,:) = 0.0
694	s_bkg(:,:,:) = 0.0
695	u_bkg(:,:,:) = 0.0
696	v_bkg(:,:,:) = 0.0
697	ssh_bkg(:,:) = 0.0
698
699	!--------------------------------------------------------------------
700	! Read from file the background state at analysis time
701	!--------------------------------------------------------------------
702
703	CALL iom_open( c_asmdin, inum )
704
705	CALL iom_get( inum, 'rdastp', zdate_bkg )
706
707	IF(lwp) THEN
708	WRITE(numout,*)
709	WRITE(numout,*) 'asm_inc_init : Assimilation background state valid at : ', &
710	& NINT( zdate_bkg )
711	WRITE(numout,*) '~~~~~~~~~~~~'
712	ENDIF
713
714	IF ( NINT( zdate_bkg ) /= iitdin_date ) &
715	& CALL ctl_warn( ' Validity time of assimilation background state does', &
716	& ' not agree with Direct Initialization time' )
717
718	IF ( ln_trainc ) THEN
719	CALL iom_get( inum, jpdom_autoglo, 'tn', t_bkg )
720	CALL iom_get( inum, jpdom_autoglo, 'sn', s_bkg )
721	t_bkg(:,:,:) = t_bkg(:,:,:) * tmask(:,:,:)
722	s_bkg(:,:,:) = s_bkg(:,:,:) * tmask(:,:,:)
723	ENDIF
724
725	IF ( ln_dyninc ) THEN
726	CALL iom_get( inum, jpdom_autoglo, 'un', u_bkg )
727	CALL iom_get( inum, jpdom_autoglo, 'vn', v_bkg )
728	u_bkg(:,:,:) = u_bkg(:,:,:) * umask(:,:,:)
729	v_bkg(:,:,:) = v_bkg(:,:,:) * vmask(:,:,:)
730	ENDIF
731
732	IF ( ln_sshinc ) THEN
733	CALL iom_get( inum, jpdom_autoglo, 'sshn', ssh_bkg )
734	ssh_bkg(:,:) = ssh_bkg(:,:) * tmask(:,:,1)
735	ENDIF
736
737	CALL iom_close( inum )
738
739	ENDIF
740
741	IF ( lk_bgcinc ) THEN
742	CALL asm_bgc_init_bkg
743	ENDIF
744	!
745	END SUBROUTINE asm_inc_init
746
747
748	SUBROUTINE calc_date( kit000, kt, kdate0, kdate )
749	!!----------------------------------------------------------------------
750	!! * ROUTINE calc_date *
751	!!
752	!! ** Purpose : Compute the calendar date YYYYMMDD at a given time step.
753	!!
754	!! ** Method : Compute the calendar date YYYYMMDD at a given time step.
755	!!
756	!! ** Action :
757	!!----------------------------------------------------------------------
758	INTEGER, INTENT(IN) :: kit000 ! Initial time step
759	INTEGER, INTENT(IN) :: kt ! Current time step referenced to kit000
760	INTEGER, INTENT(IN) :: kdate0 ! Initial date
761	INTEGER, INTENT(OUT) :: kdate ! Current date reference to kdate0
762	!
763	INTEGER :: iyea0 ! Initial year
764	INTEGER :: imon0 ! Initial month
765	INTEGER :: iday0 ! Initial day
766	INTEGER :: iyea ! Current year
767	INTEGER :: imon ! Current month
768	INTEGER :: iday ! Current day
769	INTEGER :: idaystp ! Number of days between initial and current date
770	INTEGER :: idaycnt ! Day counter
771
772	INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year
773
774	!-----------------------------------------------------------------------
775	! Compute the calendar date YYYYMMDD
776	!-----------------------------------------------------------------------
777
778	! Initial date
779	iyea0 = kdate0 / 10000
780	imon0 = ( kdate0 - ( iyea0 * 10000 ) ) / 100
781	iday0 = kdate0 - ( iyea0 * 10000 ) - ( imon0 * 100 )
782
783	! Check that kt >= kit000 - 1
784	IF ( kt < kit000 - 1 ) CALL ctl_stop( ' kt must be >= kit000 - 1')
785
786	! If kt = kit000 - 1 then set the date to the restart date
787	IF ( kt == kit000 - 1 ) THEN
788
789	kdate = ndastp
790	RETURN
791
792	ENDIF
793
794	! Compute the number of days from the initial date
795	idaystp = INT( REAL( kt - kit000 ) * rdt / 86400. )
796
797	iday = iday0
798	imon = imon0
799	iyea = iyea0
800	idaycnt = 0
801
802	CALL calc_month_len( iyea, imonth_len )
803
804	DO WHILE ( idaycnt < idaystp )
805	iday = iday + 1
806	IF ( iday > imonth_len(imon) ) THEN
807	iday = 1
808	imon = imon + 1
809	ENDIF
810	IF ( imon > 12 ) THEN
811	imon = 1
812	iyea = iyea + 1
813	CALL calc_month_len( iyea, imonth_len ) ! update month lengths
814	ENDIF
815	idaycnt = idaycnt + 1
816	END DO
817	!
818	kdate = iyea * 10000 + imon * 100 + iday
819	!
820	END SUBROUTINE
821
822
823	SUBROUTINE calc_month_len( iyear, imonth_len )
824	!!----------------------------------------------------------------------
825	!! * ROUTINE calc_month_len *
826	!!
827	!! ** Purpose : Compute the number of days in a months given a year.
828	!!
829	!! ** Method :
830	!!----------------------------------------------------------------------
831	INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year
832	INTEGER :: iyear !: year
833	!!----------------------------------------------------------------------
834	!
835	! length of the month of the current year (from nleapy, read in namelist)
836	IF ( nleapy < 2 ) THEN
837	imonth_len(:) = (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /)
838	IF ( nleapy == 1 ) THEN ! we are using calendar with leap years
839	IF ( MOD(iyear, 4) == 0 .AND. ( MOD(iyear, 400) == 0 .OR. MOD(iyear, 100) /= 0 ) ) THEN
840	imonth_len(2) = 29
841	ENDIF
842	ENDIF
843	ELSE
844	imonth_len(:) = nleapy ! all months with nleapy days per year
845	ENDIF
846	!
847	END SUBROUTINE
848
849
850	SUBROUTINE tra_asm_inc( kt )
851	!!----------------------------------------------------------------------
852	!! * ROUTINE tra_asm_inc *
853	!!
854	!! ** Purpose : Apply the tracer (T and S) assimilation increments
855	!!
856	!! ** Method : Direct initialization or Incremental Analysis Updating
857	!!
858	!! ** Action :
859	!!----------------------------------------------------------------------
860	INTEGER, INTENT(IN) :: kt ! Current time step
861	!
862	INTEGER :: ji,jj,jk
863	INTEGER :: it
864	REAL(wp) :: zincwgt ! IAU weight for current time step
865	REAL (wp), DIMENSION(jpi,jpj,jpk) :: fzptnz ! 3d freezing point values
866	!!----------------------------------------------------------------------
867
868	! freezing point calculation taken from oc_fz_pt (but calculated for all depths)
869	! used to prevent the applied increments taking the temperature below the local freezing point
870
871	DO jk = 1, jpkm1
872	CALL eos_fzp( tsn(:,:,jk,jp_sal), fzptnz(:,:,jk), fsdept(:,:,jk) )
873	END DO
874
875	IF ( ln_asmiau ) THEN
876
877	!--------------------------------------------------------------------
878	! Incremental Analysis Updating
879	!--------------------------------------------------------------------
880
881	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
882
883	it = kt - nit000 + 1
884	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
885
886	IF(lwp) THEN
887	WRITE(numout,*)
888	WRITE(numout,*) 'tra_asm_inc : Tracer IAU at time step = ', kt,' with IAU weight = ', wgtiau(it)
889	WRITE(numout,*) '~~~~~~~~~~~~'
890	ENDIF
891
892	! Update the tracer tendencies
893	DO jk = 1, jpkm1
894	IF (ln_temnofreeze) THEN
895	! Do not apply negative increments if the temperature will fall below freezing
896	WHERE(t_bkginc(:,:,jk) > 0.0_wp .OR. &
897	& tsn(:,:,jk,jp_tem) + tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * wgtiau(it) > fzptnz(:,:,jk) )
898	tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt
899	END WHERE
900	ELSE
901	tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt
902	ENDIF
903	IF (ln_salfix) THEN
904	! Do not apply negative increments if the salinity will fall below a specified
905	! minimum value salfixmin
906	WHERE(s_bkginc(:,:,jk) > 0.0_wp .OR. &
907	& tsn(:,:,jk,jp_sal) + tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * wgtiau(it) > salfixmin )
908	tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt
909	END WHERE
910	ELSE
911	tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt
912	ENDIF
913	END DO
914
915	ENDIF
916
917	IF ( kt == nitiaufin_r + 1 ) THEN ! For bias crcn to work
918	DEALLOCATE( t_bkginc )
919	DEALLOCATE( s_bkginc )
920	ENDIF
921
922
923	ELSEIF ( ln_asmdin ) THEN
924
925	!--------------------------------------------------------------------
926	! Direct Initialization
927	!--------------------------------------------------------------------
928
929	IF ( kt == nitdin_r ) THEN
930
931	neuler = 0 ! Force Euler forward step
932
933	! Initialize the now fields with the background + increment
934	IF (ln_temnofreeze) THEN
935	! Do not apply negative increments if the temperature will fall below freezing
936	WHERE( t_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_tem) + t_bkginc(:,:,:) > fzptnz(:,:,:) )
937	tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:)
938	END WHERE
939	ELSE
940	tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:)
941	ENDIF
942	IF (ln_salfix) THEN
943	! Do not apply negative increments if the salinity will fall below a specified
944	! minimum value salfixmin
945	WHERE( s_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_sal) + s_bkginc(:,:,:) > salfixmin )
946	tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:)
947	END WHERE
948	ELSE
949	tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:)
950	ENDIF
951
952	tsb(:,:,:,:) = tsn(:,:,:,:) ! Update before fields
953
954	CALL eos( tsb, rhd, rhop, gdept_0(:,:,:) ) ! Before potential and in situ densities
955	!!gm fabien
956	! CALL eos( tsb, rhd, rhop ) ! Before potential and in situ densities
957	!!gm
958
959
960	IF( ln_zps .AND. .NOT. lk_c1d .AND. .NOT. ln_isfcav) &
961	& CALL zps_hde ( kt, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient
962	& rhd, gru , grv ) ! of t, s, rd at the last ocean level
963	IF( ln_zps .AND. .NOT. lk_c1d .AND. ln_isfcav) &
964	& CALL zps_hde_isf( nit000, jpts, tsb, gtsu, gtsv, & ! Partial steps for top cell (ISF)
965	& rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , &
966	& gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level
967
968	#if defined key_zdfkpp
969	CALL eos( tsn, rhd, fsdept_n(:,:,:) ) ! Compute rhd
970	!!gm fabien CALL eos( tsn, rhd ) ! Compute rhd
971	#endif
972
973	DEALLOCATE( t_bkginc )
974	DEALLOCATE( s_bkginc )
975	DEALLOCATE( t_bkg )
976	DEALLOCATE( s_bkg )
977	ENDIF
978	!
979	ENDIF
980	! Perhaps the following call should be in step
981	IF ( ln_seaiceinc ) CALL seaice_asm_inc ( kt ) ! apply sea ice concentration increment
982	IF ( ln_sitinc ) CALL sit_asm_inc ( kt ) ! apply sea ice thickness increment
983	!
984	END SUBROUTINE tra_asm_inc
985
986
987	SUBROUTINE dyn_asm_inc( kt )
988	!!----------------------------------------------------------------------
989	!! * ROUTINE dyn_asm_inc *
990	!!
991	!! ** Purpose : Apply the dynamics (u and v) assimilation increments.
992	!!
993	!! ** Method : Direct initialization or Incremental Analysis Updating.
994	!!
995	!! ** Action :
996	!!----------------------------------------------------------------------
997	INTEGER, INTENT(IN) :: kt ! Current time step
998	!
999	INTEGER :: jk
1000	INTEGER :: it
1001	REAL(wp) :: zincwgt ! IAU weight for current time step
1002	!!----------------------------------------------------------------------
1003
1004	IF ( ln_asmiau ) THEN
1005
1006	!--------------------------------------------------------------------
1007	! Incremental Analysis Updating
1008	!--------------------------------------------------------------------
1009
1010	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
1011
1012	it = kt - nit000 + 1
1013	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
1014
1015	IF(lwp) THEN
1016	WRITE(numout,*)
1017	WRITE(numout,*) 'dyn_asm_inc : Dynamics IAU at time step = ', &
1018	& kt,' with IAU weight = ', wgtiau(it)
1019	WRITE(numout,*) '~~~~~~~~~~~~'
1020	ENDIF
1021
1022	! Update the dynamic tendencies
1023	DO jk = 1, jpkm1
1024	ua(:,:,jk) = ua(:,:,jk) + u_bkginc(:,:,jk) * zincwgt
1025	va(:,:,jk) = va(:,:,jk) + v_bkginc(:,:,jk) * zincwgt
1026	END DO
1027
1028	IF ( kt == nitiaufin_r ) THEN
1029	DEALLOCATE( u_bkginc )
1030	DEALLOCATE( v_bkginc )
1031	ENDIF
1032
1033	ENDIF
1034
1035	ELSEIF ( ln_asmdin ) THEN
1036
1037	!--------------------------------------------------------------------
1038	! Direct Initialization
1039	!--------------------------------------------------------------------
1040
1041	IF ( kt == nitdin_r ) THEN
1042
1043	neuler = 0 ! Force Euler forward step
1044
1045	! Initialize the now fields with the background + increment
1046	un(:,:,:) = u_bkg(:,:,:) + u_bkginc(:,:,:)
1047	vn(:,:,:) = v_bkg(:,:,:) + v_bkginc(:,:,:)
1048
1049	ub(:,:,:) = un(:,:,:) ! Update before fields
1050	vb(:,:,:) = vn(:,:,:)
1051
1052	DEALLOCATE( u_bkg )
1053	DEALLOCATE( v_bkg )
1054	DEALLOCATE( u_bkginc )
1055	DEALLOCATE( v_bkginc )
1056	ENDIF
1057	!
1058	ENDIF
1059	!
1060	END SUBROUTINE dyn_asm_inc
1061
1062
1063	SUBROUTINE ssh_asm_inc( kt )
1064	!!----------------------------------------------------------------------
1065	!! * ROUTINE ssh_asm_inc *
1066	!!
1067	!! ** Purpose : Apply the sea surface height assimilation increment.
1068	!!
1069	!! ** Method : Direct initialization or Incremental Analysis Updating.
1070	!!
1071	!! ** Action :
1072	!!----------------------------------------------------------------------
1073	INTEGER, INTENT(IN) :: kt ! Current time step
1074	!
1075	INTEGER :: it
1076	INTEGER :: jk
1077	REAL(wp) :: zincwgt ! IAU weight for current time step
1078	!!----------------------------------------------------------------------
1079
1080	IF ( ln_asmiau ) THEN
1081
1082	!--------------------------------------------------------------------
1083	! Incremental Analysis Updating
1084	!--------------------------------------------------------------------
1085
1086	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
1087
1088	it = kt - nit000 + 1
1089	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
1090
1091	IF(lwp) THEN
1092	WRITE(numout,*)
1093	WRITE(numout,*) 'ssh_asm_inc : SSH IAU at time step = ', &
1094	& kt,' with IAU weight = ', wgtiau(it)
1095	WRITE(numout,*) '~~~~~~~~~~~~'
1096	ENDIF
1097
1098	! Save the tendency associated with the IAU weighted SSH increment
1099	! (applied in dynspg.*)
1100	#if defined key_asminc
1101	ssh_iau(:,:) = ssh_bkginc(:,:) * zincwgt
1102	#endif
1103	IF ( kt == nitiaufin_r ) THEN
1104	DEALLOCATE( ssh_bkginc )
1105	ENDIF
1106
1107	#if defined key_asminc
1108	ELSE
1109	ssh_iau(:,:) = 0._wp
1110	#endif
1111	ENDIF
1112
1113	ELSEIF ( ln_asmdin ) THEN
1114
1115	!--------------------------------------------------------------------
1116	! Direct Initialization
1117	!--------------------------------------------------------------------
1118
1119	IF ( kt == nitdin_r ) THEN
1120
1121	neuler = 0 ! Force Euler forward step
1122
1123	! Initialize the now fields the background + increment
1124	sshn(:,:) = ssh_bkg(:,:) + ssh_bkginc(:,:)
1125
1126	! Update before fields
1127	sshb(:,:) = sshn(:,:)
1128
1129	IF( lk_vvl ) THEN
1130	DO jk = 1, jpk
1131	fse3t_b(:,:,jk) = fse3t_n(:,:,jk)
1132	END DO
1133	ENDIF
1134
1135	DEALLOCATE( ssh_bkg )
1136	DEALLOCATE( ssh_bkginc )
1137
1138	ENDIF
1139	!
1140	ENDIF
1141	!
1142	END SUBROUTINE ssh_asm_inc
1143
1144	SUBROUTINE sit_asm_inc( kt, kindic )
1145	!!----------------------------------------------------------------------
1146	!! * ROUTINE sit_asm_inc *
1147	!!
1148	!! ** Purpose : Apply the sea ice thickness assimilation increment.
1149	!!
1150	!! ** Method : Direct initialization or Incremental Analysis Updating.
1151	!!
1152	!! ** Action :
1153	!!
1154	!!----------------------------------------------------------------------
1155	IMPLICIT NONE
1156	!
1157	INTEGER, INTENT(in) :: kt ! Current time step
1158	INTEGER, INTENT(in), OPTIONAL :: kindic ! flag for disabling the deallocation
1159	!
1160	INTEGER :: it
1161	REAL(wp) :: zincwgt ! IAU weight for current time step
1162	!!----------------------------------------------------------------------
1163
1164	IF ( ln_asmiau ) THEN
1165
1166	!--------------------------------------------------------------------
1167	! Incremental Analysis Updating
1168	!--------------------------------------------------------------------
1169
1170	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
1171
1172	it = kt - nit000 + 1
1173	zincwgt = wgtiau(it) ! IAU weight for the current time step
1174	! note this is not a tendency so should not be divided by rdt (as with the tracer and other increments)
1175	! EF: Actually CICE is expecting a tendency so is divided by rdt below
1176
1177	IF(lwp) THEN
1178	WRITE(numout,*)
1179	WRITE(numout,*) 'sit_asm_inc : sea ice thick IAU at time step = ', &
1180	& kt,' with IAU weight = ', wgtiau(it)
1181	WRITE(numout,*) '~~~~~~~~~~~~'
1182	ENDIF
1183
1184	#if defined key_cice && defined key_asminc
1185	! Sea-ice thickness : CICE case. Pass ice thickness increment tendency into CICE
1186	ndsit_da(:,:) = sit_bkginc(:,:) * zincwgt / rdt
1187	#endif
1188
1189	IF ( kt == nitiaufin_r ) THEN
1190	DEALLOCATE( sit_bkginc )
1191	ENDIF
1192
1193	ELSE
1194
1195	#if defined key_cice && defined key_asminc
1196	! Sea-ice thickness : CICE case. Zero ice increment tendency into CICE
1197	ndsit_da(:,:) = 0.0_wp
1198	#endif
1199
1200	ENDIF
1201
1202	ELSEIF ( ln_asmdin ) THEN
1203
1204	!--------------------------------------------------------------------
1205	! Direct Initialization
1206	!--------------------------------------------------------------------
1207
1208	IF ( kt == nitdin_r ) THEN
1209
1210	neuler = 0 ! Force Euler forward step
1211
1212	#if defined key_cice && defined key_asminc
1213	! Sea-ice thickness : CICE case. Pass ice thickness increment tendency into CICE
1214	ndsit_da(:,:) = sit_bkginc(:,:) / rdt
1215	#endif
1216	IF ( .NOT. PRESENT(kindic) ) THEN
1217	DEALLOCATE( sit_bkginc )
1218	END IF
1219
1220	ELSE
1221
1222	#if defined key_cice && defined key_asminc
1223	! Sea-ice thicnkness : CICE case. Zero ice thickness increment tendency into CICE
1224	ndsit_da(:,:) = 0.0_wp
1225	#endif
1226
1227	ENDIF
1228
1229	ENDIF
1230
1231	END SUBROUTINE sit_asm_inc
1232
1233	SUBROUTINE seaice_asm_inc( kt, kindic )
1234	!!----------------------------------------------------------------------
1235	!! * ROUTINE seaice_asm_inc *
1236	!!
1237	!! ** Purpose : Apply the sea ice assimilation increment.
1238	!!
1239	!! ** Method : Direct initialization or Incremental Analysis Updating.
1240	!!
1241	!! ** Action :
1242	!!
1243	!!----------------------------------------------------------------------
1244	IMPLICIT NONE
1245	!
1246	INTEGER, INTENT(in) :: kt ! Current time step
1247	INTEGER, INTENT(in), OPTIONAL :: kindic ! flag for disabling the deallocation
1248	!
1249	INTEGER :: it
1250	REAL(wp) :: zincwgt ! IAU weight for current time step
1251	#if defined key_lim2
1252	REAL(wp), DIMENSION(jpi,jpj) :: zofrld, zohicif, zseaicendg, zhicifinc ! LIM
1253	REAL(wp) :: zhicifmin = 0.5_wp ! ice minimum depth in metres
1254	#endif
1255	!!----------------------------------------------------------------------
1256
1257	IF ( ln_asmiau ) THEN
1258
1259	!--------------------------------------------------------------------
1260	! Incremental Analysis Updating
1261	!--------------------------------------------------------------------
1262
1263	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
1264
1265	it = kt - nit000 + 1
1266	zincwgt = wgtiau(it) ! IAU weight for the current time step
1267	! note this is not a tendency so should not be divided by rdt (as with the tracer and other increments)
1268
1269	IF(lwp) THEN
1270	WRITE(numout,*)
1271	WRITE(numout,*) 'seaice_asm_inc : sea ice conc IAU at time step = ', &
1272	& kt,' with IAU weight = ', wgtiau(it)
1273	WRITE(numout,*) '~~~~~~~~~~~~'
1274	ENDIF
1275
1276	! Sea-ice : LIM-3 case (to add)
1277
1278	#if defined key_lim2
1279	! Sea-ice : LIM-2 case
1280	zofrld (:,:) = frld(:,:)
1281	zohicif(:,:) = hicif(:,:)
1282	!
1283	frld = MIN( MAX( frld (:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp)
1284	pfrld = MIN( MAX( pfrld(:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp)
1285	fr_i(:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction
1286	!
1287	zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied
1288	!
1289	! Nudge sea ice depth to bring it up to a required minimum depth
1290	WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin )
1291	zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt
1292	ELSEWHERE
1293	zhicifinc(:,:) = 0.0_wp
1294	END WHERE
1295	!
1296	! nudge ice depth
1297	hicif (:,:) = hicif (:,:) + zhicifinc(:,:)
1298	phicif(:,:) = phicif(:,:) + zhicifinc(:,:)
1299	!
1300	! seaice salinity balancing (to add)
1301	#endif
1302
1303	#if defined key_cice && defined key_asminc
1304	! Sea-ice : CICE case. Pass ice increment tendency into CICE
1305	ndaice_da(:,:) = seaice_bkginc(:,:) * zincwgt / rdt
1306	#endif
1307
1308	IF ( kt == nitiaufin_r ) THEN
1309	DEALLOCATE( seaice_bkginc )
1310	ENDIF
1311
1312	ELSE
1313
1314	#if defined key_cice && defined key_asminc
1315	! Sea-ice : CICE case. Zero ice increment tendency into CICE
1316	ndaice_da(:,:) = 0.0_wp
1317	#endif
1318
1319	ENDIF
1320
1321	ELSEIF ( ln_asmdin ) THEN
1322
1323	!--------------------------------------------------------------------
1324	! Direct Initialization
1325	!--------------------------------------------------------------------
1326
1327	IF ( kt == nitdin_r ) THEN
1328
1329	neuler = 0 ! Force Euler forward step
1330
1331	! Sea-ice : LIM-3 case (to add)
1332
1333	#if defined key_lim2
1334	! Sea-ice : LIM-2 case.
1335	zofrld(:,:)=frld(:,:)
1336	zohicif(:,:)=hicif(:,:)
1337	!
1338	! Initialize the now fields the background + increment
1339	frld (:,:) = MIN( MAX( frld(:,:) - seaice_bkginc(:,:), 0.0_wp), 1.0_wp)
1340	pfrld(:,:) = frld(:,:)
1341	fr_i (:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction
1342	zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied
1343	!
1344	! Nudge sea ice depth to bring it up to a required minimum depth
1345	WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin )
1346	zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt
1347	ELSEWHERE
1348	zhicifinc(:,:) = 0.0_wp
1349	END WHERE
1350	!
1351	! nudge ice depth
1352	hicif (:,:) = hicif (:,:) + zhicifinc(:,:)
1353	phicif(:,:) = phicif(:,:)
1354	!
1355	! seaice salinity balancing (to add)
1356	#endif
1357
1358	#if defined key_cice && defined key_asminc
1359	! Sea-ice : CICE case. Pass ice increment tendency into CICE
1360	ndaice_da(:,:) = seaice_bkginc(:,:) / rdt
1361	#endif
1362	IF ( .NOT. PRESENT(kindic) ) THEN
1363	DEALLOCATE( seaice_bkginc )
1364	END IF
1365
1366	ELSE
1367
1368	#if defined key_cice && defined key_asminc
1369	! Sea-ice : CICE case. Zero ice increment tendency into CICE
1370	ndaice_da(:,:) = 0.0_wp
1371	#endif
1372
1373	ENDIF
1374
1375	!#if defined defined key_lim2 \|\| defined key_cice
1376	!
1377	! IF (ln_seaicebal ) THEN
1378	! !! balancing salinity increments
1379	! !! simple case from limflx.F90 (doesn't include a mass flux)
1380	! !! assumption is that as ice concentration is reduced or increased
1381	! !! the snow and ice depths remain constant
1382	! !! note that snow is being created where ice concentration is being increased
1383	! !! - could be more sophisticated and
1384	! !! not do this (but would need to alter h_snow)
1385	!
1386	! usave(:,:,:)=sb(:,:,:) ! use array as a temporary store
1387	!
1388	! DO jj = 1, jpj
1389	! DO ji = 1, jpi
1390	! ! calculate change in ice and snow mass per unit area
1391	! ! positive values imply adding salt to the ocean (results from ice formation)
1392	! ! fwf : ice formation and melting
1393	!
1394	! zfons = ( -nfresh_da(ji,jj)soce + nfsalt_da(ji,jj) )rdt
1395	!
1396	! ! change salinity down to mixed layer depth
1397	! mld=hmld_kara(ji,jj)
1398	!
1399	! ! prevent small mld
1400	! ! less than 10m can cause salinity instability
1401	! IF (mld < 10) mld=10
1402	!
1403	! ! set to bottom of a level
1404	! DO jk = jpk-1, 2, -1
1405	! IF ((mld > gdepw(ji,jj,jk)) .and. (mld < gdepw(ji,jj,jk+1))) THEN
1406	! mld=gdepw(ji,jj,jk+1)
1407	! jkmax=jk
1408	! ENDIF
1409	! ENDDO
1410	!
1411	! ! avoid applying salinity balancing in shallow water or on land
1412	! !
1413	!
1414	! ! dsal_ocn (psu kg m^-2) / (kg m^-3 * m)
1415	!
1416	! dsal_ocn=0.0_wp
1417	! sal_thresh=5.0_wp ! minimum salinity threshold for salinity balancing
1418	!
1419	! if (tmask(ji,jj,1) > 0 .AND. tmask(ji,jj,jkmax) > 0 ) &
1420	! dsal_ocn = zfons / (rhop(ji,jj,1) * mld)
1421	!
1422	! ! put increments in for levels in the mixed layer
1423	! ! but prevent salinity below a threshold value
1424	!
1425	! DO jk = 1, jkmax
1426	!
1427	! IF (dsal_ocn > 0.0_wp .or. sb(ji,jj,jk)+dsal_ocn > sal_thresh) THEN
1428	! sb(ji,jj,jk) = sb(ji,jj,jk) + dsal_ocn
1429	! sn(ji,jj,jk) = sn(ji,jj,jk) + dsal_ocn
1430	! ENDIF
1431	!
1432	! ENDDO
1433	!
1434	! ! ! salt exchanges at the ice/ocean interface
1435	! ! zpmess = zfons / rdt_ice ! rdt_ice is ice timestep
1436	! !
1437	! !! Adjust fsalt. A +ve fsalt means adding salt to ocean
1438	! !! fsalt(ji,jj) = fsalt(ji,jj) + zpmess ! adjust fsalt
1439	! !!
1440	! !! emps(ji,jj) = emps(ji,jj) + zpmess ! or adjust emps (see icestp1d)
1441	! !! ! E-P (kg m-2 s-2)
1442	! ! emp(ji,jj) = emp(ji,jj) + zpmess ! E-P (kg m-2 s-2)
1443	! ENDDO !ji
1444	! ENDDO !jj!
1445	!
1446	! ENDIF !ln_seaicebal
1447	!
1448	!#endif
1449
1450	ENDIF
1451
1452	END SUBROUTINE seaice_asm_inc
1453
1454
1455	SUBROUTINE bgc_asm_inc( kt )
1456	!!----------------------------------------------------------------------
1457	!! * ROUTINE bgc_asm_inc *
1458	!!
1459	!! ** Purpose : Apply the biogeochemistry assimilation increments
1460	!!
1461	!! ** Method : Call relevant routines in asmbgc
1462	!!
1463	!! ** Action : Call relevant routines in asmbgc
1464	!!
1465	!!----------------------------------------------------------------------
1466	!!
1467	INTEGER, INTENT(in ) :: kt ! Current time step
1468	!
1469	INTEGER :: icycper ! Dimension of wgtiau
1470	!!
1471	!!----------------------------------------------------------------------
1472
1473	icycper = SIZE( wgtiau )
1474
1475	! Ocean colour variables first
1476	IF ( ln_slchltotinc .OR. ln_slchldiainc .OR. ln_slchlnoninc .OR. &
1477	& ln_slchlnaninc .OR. ln_slchlpicinc .OR. ln_slchldininc .OR. &
1478	& ln_schltotinc .OR. ln_slphytotinc .OR. ln_slphydiainc .OR. &
1479	& ln_slphynoninc ) THEN
1480	CALL phyto2d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
1481	ENDIF
1482
1483	! Surface pCO2/fCO2 next
1484	IF ( ln_sfco2inc .OR. ln_spco2inc ) THEN
1485	CALL pco2_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau, &
1486	& ln_trainc, t_bkginc, s_bkginc )
1487	ENDIF
1488
1489	! Profile pH next
1490	IF ( ln_pphinc ) THEN
1491	CALL ph_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau, &
1492	& ln_trainc, t_bkginc, s_bkginc )
1493	ENDIF
1494
1495	! Then chlorophyll profiles
1496	IF ( ln_plchltotinc .OR. ln_pchltotinc .OR. ln_plchldiainc .OR. &
1497	& ln_plchlnaninc .OR. ln_plchlpicinc .OR. ln_plchldininc ) THEN
1498	CALL phyto3d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
1499	ENDIF
1500
1501	! Remaining bgc profile variables
1502	IF ( ln_pno3inc .OR. ln_psi4inc .OR. ln_pdicinc .OR. &
1503	& ln_palkinc .OR. ln_po2inc .OR. ln_ppo4inc ) THEN
1504	CALL bgc3d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
1505	ENDIF
1506
1507	END SUBROUTINE bgc_asm_inc
1508
1509	!!======================================================================
1510	END MODULE asminc

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source: branches/UKMO/AMM15_v3_6_STABLE_package_collate/NEMOGCM/NEMO/OPA_SRC/ASM/asminc.F90

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