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asminc.F90 @ 14306

Last change on this file since 14306 was 14194, checked in by kingr, 4 years ago
Allow heat/salt conservation when assimilating SSH to be namelist controlled.
File size: 60.0 KB

Rev	Line
[2128]	1	MODULE asminc
	2	!!======================================================================
	3	!! * MODULE asminc *
	4	!! Assimilation increment : Apply an increment generated by data
	5	!! assimilation
	6	!!======================================================================
[2392]	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
[3764]	12	!! 3.4 ! 2012-10 (A. Weaver and K. Mogensen) Fix for direct initialization
[2392]	13	!!----------------------------------------------------------------------
[2128]	14
	15	!!----------------------------------------------------------------------
[3785]	16	!! 'key_asminc' : Switch on the assimilation increment interface
[2128]	17	!!----------------------------------------------------------------------
[3785]	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
[12613]	23	!! seaice_asm_inc : Apply the sea ice concentration increment
	24	!! sit_asm_inc : Apply the sea ice thickness increment
[2128]	25	!!----------------------------------------------------------------------
[3294]	26	USE wrk_nemo ! Memory Allocation
[2392]	27	USE par_oce ! Ocean space and time domain variables
	28	USE dom_oce ! Ocean space and time domain
[3785]	29	USE domvvl ! domain: variable volume level
[2392]	30	USE oce ! Dynamics and active tracers defined in memory
[3294]	31	USE ldfdyn_oce ! ocean dynamics: lateral physics
[2392]	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
[2435]	36	USE c1d ! 1D initialization
[2715]	37	USE in_out_manager ! I/O manager
[3764]	38	USE lib_mpp ! MPP library
	39	#if defined key_lim2
	40	USE ice_2 ! LIM2
	41	#endif
[8400]	42	#if defined key_cice && defined key_asminc
	43	USE sbc_ice, ONLY : & ! CICE Ice model variables
[12613]	44	& ndaice_da, ndsit_da, nfresh_da, nfsalt_da
[8400]	45	#endif
[3764]	46	USE sbc_oce ! Surface boundary condition variables.
[10302]	47	USE asmbgc ! Biogeochemistry assimilation
[2128]	48
	49	IMPLICIT NONE
	50	PRIVATE
[2392]	51
	52	PUBLIC asm_inc_init !: Initialize the increment arrays and IAU weights
	53	PUBLIC calc_date !: Compute the calendar date YYYYMMDD on a given step
	54	PUBLIC tra_asm_inc !: Apply the tracer (T and S) increments
	55	PUBLIC dyn_asm_inc !: Apply the dynamic (u and v) increments
	56	PUBLIC ssh_asm_inc !: Apply the SSH increment
[12613]	57	PUBLIC seaice_asm_inc !: Apply the seaice concentration increment
	58	PUBLIC sit_asm_inc !: Apply the seaice thickness increment
[10302]	59	PUBLIC bgc_asm_inc !: Apply the biogeochemistry increments
[2128]	60
	61	#if defined key_asminc
[2392]	62	LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .TRUE. !: Logical switch for assimilation increment interface
[2128]	63	#else
[2392]	64	LOGICAL, PUBLIC, PARAMETER :: lk_asminc = .FALSE. !: No assimilation increments
[2128]	65	#endif
[4998]	66	LOGICAL, PUBLIC :: ln_bkgwri = .FALSE. !: No output of the background state fields
[12613]	67	LOGICAL, PUBLIC :: ln_avgbkg = .FALSE. !: No output of the mean background state fields
[4998]	68	LOGICAL, PUBLIC :: ln_asmiau = .FALSE. !: No applying forcing with an assimilation increment
	69	LOGICAL, PUBLIC :: ln_asmdin = .FALSE. !: No direct initialization
	70	LOGICAL, PUBLIC :: ln_trainc = .FALSE. !: No tracer (T and S) assimilation increments
	71	LOGICAL, PUBLIC :: ln_dyninc = .FALSE. !: No dynamics (u and v) assimilation increments
[14194]	72	LOGICAL, PUBLIC :: ln_ssh_hs_cons = .FALSE. !: Conserve heat and salt when adding SSH increment
[4998]	73	LOGICAL, PUBLIC :: ln_sshinc = .FALSE. !: No sea surface height assimilation increment
[12613]	74	LOGICAL, PUBLIC :: ln_seaiceinc = .FALSE. !: No sea ice concentration increment
	75	LOGICAL, PUBLIC :: ln_sitinc = .FALSE. !: No sea ice thickness increment
[10302]	76	LOGICAL, PUBLIC :: lk_bgcinc = .FALSE. !: No biogeochemistry increments
[4998]	77	LOGICAL, PUBLIC :: ln_salfix = .FALSE. !: Apply minimum salinity check
[3764]	78	LOGICAL, PUBLIC :: ln_temnofreeze = .FALSE. !: Don't allow the temperature to drop below freezing
[4998]	79	INTEGER, PUBLIC :: nn_divdmp !: Apply divergence damping filter nn_divdmp times
[2128]	80
[2392]	81	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkg , s_bkg !: Background temperature and salinity
	82	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkg , v_bkg !: Background u- & v- velocity components
	83	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: t_bkginc, s_bkginc !: Increment to the background T & S
	84	REAL(wp), PUBLIC, DIMENSION(:,:,:), ALLOCATABLE :: u_bkginc, v_bkginc !: Increment to the u- & v-components
	85	REAL(wp), PUBLIC, DIMENSION(:) , ALLOCATABLE :: wgtiau !: IAU weights for each time step
[2128]	86	#if defined key_asminc
[2392]	87	REAL(wp), PUBLIC, DIMENSION(:,:), ALLOCATABLE :: ssh_iau !: IAU-weighted sea surface height increment
[2128]	88	#endif
[2392]	89	! !!! time steps relative to the cycle interval [0,nitend-nit000-1]
	90	INTEGER , PUBLIC :: nitbkg !: Time step of the background state used in the Jb term
	91	INTEGER , PUBLIC :: nitdin !: Time step of the background state for direct initialization
	92	INTEGER , PUBLIC :: nitiaustr !: Time step of the start of the IAU interval
	93	INTEGER , PUBLIC :: nitiaufin !: Time step of the end of the IAU interval
	94	!
	95	INTEGER , PUBLIC :: niaufn !: Type of IAU weighing function: = 0 Constant weighting
	96	! !: = 1 Linear hat-like, centred in middle of IAU interval
	97	REAL(wp), PUBLIC :: salfixmin !: Ensure that the salinity is larger than this value if (ln_salfix)
[2128]	98
[2392]	99	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ssh_bkg, ssh_bkginc ! Background sea surface height and its increment
[3764]	100	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: seaice_bkginc ! Increment to the background sea ice conc
[12613]	101	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sit_bkginc ! Increment to the background sea ice thickness
[2128]	102
[3294]	103	!! * Substitutions
	104	# include "domzgr_substitute.h90"
	105	# include "ldfdyn_substitute.h90"
	106	# include "vectopt_loop_substitute.h90"
[2287]	107	!!----------------------------------------------------------------------
	108	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
	109	!! $Id$
[2392]	110	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[2287]	111	!!----------------------------------------------------------------------
[2128]	112	CONTAINS
	113
	114	SUBROUTINE asm_inc_init
	115	!!----------------------------------------------------------------------
	116	!! * ROUTINE asm_inc_init *
	117	!!
	118	!! ** Purpose : Initialize the assimilation increment and IAU weights.
	119	!!
	120	!! ** Method : Initialize the assimilation increment and IAU weights.
	121	!!
	122	!! ** Action :
	123	!!----------------------------------------------------------------------
[4990]	124	INTEGER :: ji, jj, jk, jt ! dummy loop indices
	125	INTEGER :: imid, inum ! local integers
	126	INTEGER :: ios ! Local integer output status for namelist read
[2128]	127	INTEGER :: iiauper ! Number of time steps in the IAU period
	128	INTEGER :: icycper ! Number of time steps in the cycle
	129	INTEGER :: iitend_date ! Date YYYYMMDD of final time step
	130	INTEGER :: iitbkg_date ! Date YYYYMMDD of background time step for Jb term
	131	INTEGER :: iitdin_date ! Date YYYYMMDD of background time step for DI
	132	INTEGER :: iitiaustr_date ! Date YYYYMMDD of IAU interval start time step
	133	INTEGER :: iitiaufin_date ! Date YYYYMMDD of IAU interval final time step
[4990]	134	!
[2128]	135	REAL(wp) :: znorm ! Normalization factor for IAU weights
[4990]	136	REAL(wp) :: ztotwgt ! Value of time-integrated IAU weights (should be equal to one)
[2128]	137	REAL(wp) :: z_inc_dateb ! Start date of interval on which increment is valid
	138	REAL(wp) :: z_inc_datef ! End date of interval on which increment is valid
	139	REAL(wp) :: zdate_bkg ! Date in background state file for DI
	140	REAL(wp) :: zdate_inc ! Time axis in increments file
[4990]	141	!
	142	REAL(wp), POINTER, DIMENSION(:,:) :: hdiv ! 2D workspace
[2392]	143	!!
[12613]	144	NAMELIST/nam_asminc/ ln_bkgwri, ln_avgbkg, ln_balwri, &
[2392]	145	& ln_trainc, ln_dyninc, ln_sshinc, &
[10302]	146	& ln_phytobal, ln_slchltotinc, ln_slchldiainc, &
	147	& ln_slchlnoninc, ln_schltotinc, ln_slphytotinc, &
	148	& ln_slphydiainc, ln_slphynoninc, ln_spco2inc, &
	149	& ln_sfco2inc, ln_plchltotinc, ln_pchltotinc, &
	150	& ln_pno3inc, ln_psi4inc, ln_pdicinc, ln_palkinc, &
	151	& ln_pphinc, ln_po2inc, &
[14194]	152	& ln_asmdin, ln_asmiau, ln_ssh_hs_cons, &
[2392]	153	& nitbkg, nitdin, nitiaustr, nitiaufin, niaufn, &
[8400]	154	& ln_salfix, salfixmin, nn_divdmp, &
[12613]	155	& ln_seaiceinc, ln_sitinc, ln_temnofreeze, &
[10302]	156	& mld_choice_bgc, rn_maxchlinc
[2392]	157	!!----------------------------------------------------------------------
[2128]	158
	159	!-----------------------------------------------------------------------
	160	! Read Namelist nam_asminc : assimilation increment interface
	161	!-----------------------------------------------------------------------
[14194]	162	ln_ssh_hs_cons = .FALSE.
[3764]	163	ln_seaiceinc = .FALSE.
[12613]	164	ln_sitinc = .FALSE.
[3764]	165	ln_temnofreeze = .FALSE.
[2128]	166
[4147]	167	REWIND( numnam_ref ) ! Namelist nam_asminc in reference namelist : Assimilation increment
	168	READ ( numnam_ref, nam_asminc, IOSTAT = ios, ERR = 901)
	169	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in reference namelist', lwp )
[2128]	170
[4147]	171	REWIND( numnam_cfg ) ! Namelist nam_asminc in configuration namelist : Assimilation increment
	172	READ ( numnam_cfg, nam_asminc, IOSTAT = ios, ERR = 902 )
	173	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nam_asminc in configuration namelist', lwp )
[4624]	174	IF(lwm) WRITE ( numond, nam_asminc )
[4147]	175
[2128]	176	! Control print
	177	IF(lwp) THEN
	178	WRITE(numout,*)
	179	WRITE(numout,*) 'asm_inc_init : Assimilation increment initialization :'
	180	WRITE(numout,*) '~~~~~~~~~~~~'
[10302]	181	WRITE(numout,*) ' Namelist nam_asminc : set assimilation increment parameters'
[2392]	182	WRITE(numout,*) ' Logical switch for writing out background state ln_bkgwri = ', ln_bkgwri
[12613]	183	WRITE(numout,*) ' Logical switch for writing mean background state ln_avgbkg = ', ln_avgbkg
[10302]	184	WRITE(numout,*) ' Logical switch for writing out balancing increments ln_balwri = ', ln_balwri
[2392]	185	WRITE(numout,*) ' Logical switch for applying tracer increments ln_trainc = ', ln_trainc
	186	WRITE(numout,*) ' Logical switch for applying velocity increments ln_dyninc = ', ln_dyninc
[14194]	187	WRITE(numout,*) ' Logical switch for conserving heat/salt when applying SSH increments ln_ssh_hs_cons = ', ln_ssh_hs_cons
[2392]	188	WRITE(numout,*) ' Logical switch for applying SSH increments ln_sshinc = ', ln_sshinc
[12613]	189	WRITE(numout,*) ' Logical switch for applying SIC increments ln_seaiceinc = ', ln_seaiceinc
	190	WRITE(numout,*) ' Logical switch for applying SIT increments ln_sitinc = ', ln_sitinc
[2392]	191	WRITE(numout,*) ' Logical switch for Direct Initialization (DI) ln_asmdin = ', ln_asmdin
[12613]	192	WRITE(numout,*) ' Logical switch for Incremental Analysis Updating (IAU) ln_asmiau = ', ln_asmiau
	193	WRITE(numout,*) ' Timestep of background in [0,nitend-nit000-1] nitbkg = ', nitbkg
	194	WRITE(numout,*) ' Timestep of background for DI in [0,nitend-nit000-1] nitdin = ', nitdin
	195	WRITE(numout,*) ' Timestep of start of IAU interval in [0,nitend-nit000-1] nitiaustr = ', nitiaustr
	196	WRITE(numout,*) ' Timestep of end of IAU interval in [0,nitend-nit000-1] nitiaufin = ', nitiaufin
	197	WRITE(numout,*) ' Type of IAU weighting function niaufn = ', niaufn
	198	WRITE(numout,*) ' Logical switch for ensuring that the sa > salfixmin ln_salfix = ', ln_salfix
	199	WRITE(numout,*) ' Minimum salinity after applying the increments salfixmin = ', salfixmin
[10302]	200	WRITE(numout,*) ' Logical switch for phytoplankton balancing ln_phytobal = ', ln_phytobal
	201	WRITE(numout,*) ' Logical switch for applying slchltot increments ln_slchltotinc = ', ln_slchltotinc
	202	WRITE(numout,*) ' Logical switch for applying slchldia increments ln_slchldiainc = ', ln_slchldiainc
	203	WRITE(numout,*) ' Logical switch for applying slchlnon increments ln_slchlnoninc = ', ln_slchlnoninc
	204	WRITE(numout,*) ' Logical switch for applying schltot increments ln_schltotinc = ', ln_schltotinc
	205	WRITE(numout,*) ' Logical switch for applying slphytot increments ln_slphytotinc = ', ln_slphytotinc
	206	WRITE(numout,*) ' Logical switch for applying slphydia increments ln_slphydiainc = ', ln_slphydiainc
	207	WRITE(numout,*) ' Logical switch for applying slphynon increments ln_slphynoninc = ', ln_slphynoninc
	208	WRITE(numout,*) ' Logical switch for applying spco2 increments ln_spco2inc = ', ln_spco2inc
	209	WRITE(numout,*) ' Logical switch for applying sfco2 increments ln_sfco2inc = ', ln_sfco2inc
	210	WRITE(numout,*) ' Logical switch for applying plchltot increments ln_plchltotinc = ', ln_plchltotinc
	211	WRITE(numout,*) ' Logical switch for applying pchltot increments ln_pchltotinc = ', ln_pchltotinc
	212	WRITE(numout,*) ' Logical switch for applying pno3 increments ln_pno3inc = ', ln_pno3inc
	213	WRITE(numout,*) ' Logical switch for applying psi4 increments ln_psi4inc = ', ln_psi4inc
	214	WRITE(numout,*) ' Logical switch for applying pdic increments ln_pdicinc = ', ln_pdicinc
	215	WRITE(numout,*) ' Logical switch for applying palk increments ln_palkinc = ', ln_palkinc
	216	WRITE(numout,*) ' Logical switch for applying pph increments ln_pphinc = ', ln_pphinc
	217	WRITE(numout,*) ' Logical switch for applying po2 increments ln_po2inc = ', ln_po2inc
	218	WRITE(numout,*) ' Choice of MLD for BGC assimilation mld_choice_bgc = ', mld_choice_bgc
	219	WRITE(numout,*) ' Maximum absolute chlorophyll increment (<=0 = off) rn_maxchlinc = ', rn_maxchlinc
[2128]	220	ENDIF
	221
	222	nitbkg_r = nitbkg + nit000 - 1 ! Background time referenced to nit000
	223	nitdin_r = nitdin + nit000 - 1 ! Background time for DI referenced to nit000
	224	nitiaustr_r = nitiaustr + nit000 - 1 ! Start of IAU interval referenced to nit000
	225	nitiaufin_r = nitiaufin + nit000 - 1 ! End of IAU interval referenced to nit000
	226
	227	iiauper = nitiaufin_r - nitiaustr_r + 1 ! IAU interval length
	228	icycper = nitend - nit000 + 1 ! Cycle interval length
	229
[4990]	230	CALL calc_date( nit000, nitend , ndate0, iitend_date ) ! Date of final time step
	231	CALL calc_date( nit000, nitbkg_r , ndate0, iitbkg_date ) ! Background time for Jb referenced to ndate0
	232	CALL calc_date( nit000, nitdin_r , ndate0, iitdin_date ) ! Background time for DI referenced to ndate0
	233	CALL calc_date( nit000, nitiaustr_r, ndate0, iitiaustr_date ) ! IAU start time referenced to ndate0
	234	CALL calc_date( nit000, nitiaufin_r, ndate0, iitiaufin_date ) ! IAU end time referenced to ndate0
	235	!
[2128]	236	IF(lwp) THEN
	237	WRITE(numout,*)
	238	WRITE(numout,*) ' Time steps referenced to current cycle:'
	239	WRITE(numout,*) ' iitrst = ', nit000 - 1
	240	WRITE(numout,*) ' nit000 = ', nit000
	241	WRITE(numout,*) ' nitend = ', nitend
	242	WRITE(numout,*) ' nitbkg_r = ', nitbkg_r
	243	WRITE(numout,*) ' nitdin_r = ', nitdin_r
	244	WRITE(numout,*) ' nitiaustr_r = ', nitiaustr_r
	245	WRITE(numout,*) ' nitiaufin_r = ', nitiaufin_r
	246	WRITE(numout,*)
	247	WRITE(numout,*) ' Dates referenced to current cycle:'
	248	WRITE(numout,*) ' ndastp = ', ndastp
	249	WRITE(numout,*) ' ndate0 = ', ndate0
	250	WRITE(numout,*) ' iitend_date = ', iitend_date
	251	WRITE(numout,*) ' iitbkg_date = ', iitbkg_date
	252	WRITE(numout,*) ' iitdin_date = ', iitdin_date
	253	WRITE(numout,*) ' iitiaustr_date = ', iitiaustr_date
	254	WRITE(numout,*) ' iitiaufin_date = ', iitiaufin_date
	255	ENDIF
[10302]	256
	257	IF ( ln_slchltotinc .OR. ln_slchldiainc .OR. ln_slchlnoninc .OR. &
	258	& ln_schltotinc .OR. ln_slphytotinc .OR. ln_slphydiainc .OR. &
	259	& ln_slphynoninc .OR. ln_spco2inc .OR. ln_sfco2inc .OR. &
	260	& ln_plchltotinc .OR. ln_pchltotinc .OR. ln_pno3inc .OR. &
	261	& ln_psi4inc .OR. ln_pdicinc .OR. ln_palkinc .OR. &
	262	& ln_pphinc .OR. ln_po2inc ) THEN
	263	lk_bgcinc = .TRUE.
	264	ENDIF
[2128]	265
	266	IF ( nacc /= 0 ) &
	267	& CALL ctl_stop( ' nacc /= 0 and key_asminc :', &
	268	& ' Assimilation increments have only been implemented', &
	269	& ' for synchronous time stepping' )
	270
	271	IF ( ( ln_asmdin ).AND.( ln_asmiau ) ) &
	272	& CALL ctl_stop( ' ln_asmdin and ln_asmiau :', &
	273	& ' Choose Direct Initialization OR Incremental Analysis Updating')
	274
	275	IF ( ( ( .NOT. ln_asmdin ).AND.( .NOT. ln_asmiau ) ) &
[10302]	276	& .AND.( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ).OR. &
[12613]	277	& ( ln_sitinc ).OR.( lk_bgcinc ) )) &
[10302]	278	& CALL ctl_stop( ' One or more of ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', &
[12613]	279	& ' ln_sitinc and ln_(bgc-variable)inc is set to .true.', &
[2128]	280	& ' but ln_asmdin and ln_asmiau are both set to .false. :', &
	281	& ' Inconsistent options')
	282
	283	IF ( ( niaufn /= 0 ).AND.( niaufn /= 1 ) ) &
	284	& CALL ctl_stop( ' niaufn /= 0 or niaufn /=1 :', &
	285	& ' Type IAU weighting function is invalid')
	286
[3764]	287	IF ( ( .NOT. ln_trainc ).AND.( .NOT. ln_dyninc ).AND.( .NOT. ln_sshinc ).AND.( .NOT. ln_seaiceinc ) &
[12613]	288	& .AND.( .NOT. ln_sitinc ).AND.( .NOT. lk_bgcinc ) ) &
[10302]	289	& CALL ctl_warn( ' ln_trainc, ln_dyninc, ln_sshinc, ln_seaiceinc,', &
[12613]	290	& ' ln_sitinc and ln_(bgc-variable)inc are set to .false. :', &
[2128]	291	& ' The assimilation increments are not applied')
	292
	293	IF ( ( ln_asmiau ).AND.( nitiaustr == nitiaufin ) ) &
	294	& CALL ctl_stop( ' nitiaustr = nitiaufin :', &
	295	& ' IAU interval is of zero length')
	296
	297	IF ( ( ln_asmiau ).AND.( ( nitiaustr_r < nit000 ).OR.( nitiaufin_r > nitend ) ) ) &
	298	& CALL ctl_stop( ' nitiaustr or nitiaufin :', &
	299	& ' IAU starting or final time step is outside the cycle interval', &
	300	& ' Valid range nit000 to nitend')
	301
	302	IF ( ( nitbkg_r < nit000 - 1 ).OR.( nitbkg_r > nitend ) ) &
	303	& CALL ctl_stop( ' nitbkg :', &
	304	& ' Background time step is outside the cycle interval')
	305
	306	IF ( ( nitdin_r < nit000 - 1 ).OR.( nitdin_r > nitend ) ) &
	307	& CALL ctl_stop( ' nitdin :', &
	308	& ' Background time step for Direct Initialization is outside', &
	309	& ' the cycle interval')
[10302]	310
	311	IF ( lk_bgcinc ) CALL asm_bgc_check_options
[2128]	312
	313	IF ( nstop > 0 ) RETURN ! if there are any errors then go no further
	314
	315	!--------------------------------------------------------------------
	316	! Initialize the Incremental Analysis Updating weighting function
	317	!--------------------------------------------------------------------
	318
	319	IF ( ln_asmiau ) THEN
	320
	321	ALLOCATE( wgtiau( icycper ) )
	322
	323	wgtiau(:) = 0.0
	324
	325	IF ( niaufn == 0 ) THEN
	326
	327	!---------------------------------------------------------
	328	! Constant IAU forcing
	329	!---------------------------------------------------------
	330
	331	DO jt = 1, iiauper
	332	wgtiau(jt+nitiaustr-1) = 1.0 / REAL( iiauper )
	333	END DO
	334
	335	ELSEIF ( niaufn == 1 ) THEN
	336
	337	!---------------------------------------------------------
	338	! Linear hat-like, centred in middle of IAU interval
	339	!---------------------------------------------------------
	340
	341	! Compute the normalization factor
	342	znorm = 0.0
	343	IF ( MOD( iiauper, 2 ) == 0 ) THEN ! Even number of time steps in IAU interval
	344	imid = iiauper / 2
	345	DO jt = 1, imid
	346	znorm = znorm + REAL( jt )
	347	END DO
	348	znorm = 2.0 * znorm
	349	ELSE ! Odd number of time steps in IAU interval
	350	imid = ( iiauper + 1 ) / 2
	351	DO jt = 1, imid - 1
	352	znorm = znorm + REAL( jt )
	353	END DO
	354	znorm = 2.0 * znorm + REAL( imid )
	355	ENDIF
	356	znorm = 1.0 / znorm
	357
	358	DO jt = 1, imid - 1
	359	wgtiau(jt+nitiaustr-1) = REAL( jt ) * znorm
	360	END DO
	361	DO jt = imid, iiauper
	362	wgtiau(jt+nitiaustr-1) = REAL( iiauper - jt + 1 ) * znorm
	363	END DO
	364
	365	ENDIF
	366
	367	! Test that the integral of the weights over the weighting interval equals 1
	368	IF(lwp) THEN
	369	WRITE(numout,*)
	370	WRITE(numout,*) 'asm_inc_init : IAU weights'
	371	WRITE(numout,*) '~~~~~~~~~~~~'
	372	WRITE(numout,*) ' time step IAU weight'
	373	WRITE(numout,*) ' ========= ====================='
	374	ztotwgt = 0.0
	375	DO jt = 1, icycper
	376	ztotwgt = ztotwgt + wgtiau(jt)
	377	WRITE(numout,*) ' ', jt, ' ', wgtiau(jt)
	378	END DO
	379	WRITE(numout,*) ' ==================================='
	380	WRITE(numout,*) ' Time-integrated weight = ', ztotwgt
	381	WRITE(numout,*) ' ==================================='
	382	ENDIF
	383
	384	ENDIF
	385
	386	!--------------------------------------------------------------------
	387	! Allocate and initialize the increment arrays
	388	!--------------------------------------------------------------------
	389
[12613]	390	IF ( ln_trainc ) THEN
	391	ALLOCATE( t_bkginc(jpi,jpj,jpk) )
	392	ALLOCATE( s_bkginc(jpi,jpj,jpk) )
	393	t_bkginc(:,:,:) = 0.0
	394	s_bkginc(:,:,:) = 0.0
	395	ENDIF
	396	IF ( ln_dyninc ) THEN
	397	ALLOCATE( u_bkginc(jpi,jpj,jpk) )
	398	ALLOCATE( v_bkginc(jpi,jpj,jpk) )
	399	u_bkginc(:,:,:) = 0.0
	400	v_bkginc(:,:,:) = 0.0
	401	ENDIF
	402	IF ( ln_sshinc ) THEN
	403	ALLOCATE( ssh_bkginc(jpi,jpj) )
	404	ssh_bkginc(:,:) = 0.0
	405	ENDIF
	406	IF ( ln_seaiceinc ) THEN
	407	ALLOCATE( seaice_bkginc(jpi,jpj))
	408	seaice_bkginc(:,:) = 0.0
	409	ENDIF
	410	IF ( ln_sitinc ) THEN
	411	ALLOCATE( sit_bkginc(jpi,jpj))
	412	sit_bkginc(:,:) = 0.0
	413	ENDIF
[2128]	414	#if defined key_asminc
	415	ALLOCATE( ssh_iau(jpi,jpj) )
	416	ssh_iau(:,:) = 0.0
	417	#endif
[10302]	418	IF ( ( ln_trainc ).OR.( ln_dyninc ).OR.( ln_sshinc ).OR.( ln_seaiceinc ) &
[12613]	419	& .OR.( ln_sitinc ).OR.( lk_bgcinc ) ) THEN
[2128]	420
	421	!--------------------------------------------------------------------
	422	! Read the increments from file
	423	!--------------------------------------------------------------------
	424
	425	CALL iom_open( c_asminc, inum )
	426
	427	CALL iom_get( inum, 'time', zdate_inc )
	428
	429	CALL iom_get( inum, 'z_inc_dateb', z_inc_dateb )
	430	CALL iom_get( inum, 'z_inc_datef', z_inc_datef )
	431	z_inc_dateb = zdate_inc
	432	z_inc_datef = zdate_inc
	433
	434	IF(lwp) THEN
	435	WRITE(numout,*)
	436	WRITE(numout,*) 'asm_inc_init : Assimilation increments valid ', &
	437	& ' between dates ', NINT( z_inc_dateb ),' and ', &
	438	& NINT( z_inc_datef )
	439	WRITE(numout,*) '~~~~~~~~~~~~'
	440	ENDIF
	441
	442	IF ( ( NINT( z_inc_dateb ) < ndastp ) &
	443	& .OR.( NINT( z_inc_datef ) > iitend_date ) ) &
	444	& CALL ctl_warn( ' Validity time of assimilation increments is ', &
	445	& ' outside the assimilation interval' )
	446
	447	IF ( ( ln_asmdin ).AND.( NINT( zdate_inc ) /= iitdin_date ) ) &
	448	& CALL ctl_warn( ' Validity time of assimilation increments does ', &
	449	& ' not agree with Direct Initialization time' )
	450
	451	IF ( ln_trainc ) THEN
	452	CALL iom_get( inum, jpdom_autoglo, 'bckint', t_bkginc, 1 )
	453	CALL iom_get( inum, jpdom_autoglo, 'bckins', s_bkginc, 1 )
	454	! Apply the masks
	455	t_bkginc(:,:,:) = t_bkginc(:,:,:) * tmask(:,:,:)
	456	s_bkginc(:,:,:) = s_bkginc(:,:,:) * tmask(:,:,:)
	457	! Set missing increments to 0.0 rather than 1e+20
	458	! to allow for differences in masks
	459	WHERE( ABS( t_bkginc(:,:,:) ) > 1.0e+10 ) t_bkginc(:,:,:) = 0.0
	460	WHERE( ABS( s_bkginc(:,:,:) ) > 1.0e+10 ) s_bkginc(:,:,:) = 0.0
	461	ENDIF
	462
	463	IF ( ln_dyninc ) THEN
	464	CALL iom_get( inum, jpdom_autoglo, 'bckinu', u_bkginc, 1 )
	465	CALL iom_get( inum, jpdom_autoglo, 'bckinv', v_bkginc, 1 )
	466	! Apply the masks
	467	u_bkginc(:,:,:) = u_bkginc(:,:,:) * umask(:,:,:)
	468	v_bkginc(:,:,:) = v_bkginc(:,:,:) * vmask(:,:,:)
	469	! Set missing increments to 0.0 rather than 1e+20
	470	! to allow for differences in masks
	471	WHERE( ABS( u_bkginc(:,:,:) ) > 1.0e+10 ) u_bkginc(:,:,:) = 0.0
	472	WHERE( ABS( v_bkginc(:,:,:) ) > 1.0e+10 ) v_bkginc(:,:,:) = 0.0
	473	ENDIF
	474
	475	IF ( ln_sshinc ) THEN
	476	CALL iom_get( inum, jpdom_autoglo, 'bckineta', ssh_bkginc, 1 )
	477	! Apply the masks
	478	ssh_bkginc(:,:) = ssh_bkginc(:,:) * tmask(:,:,1)
	479	! Set missing increments to 0.0 rather than 1e+20
	480	! to allow for differences in masks
	481	WHERE( ABS( ssh_bkginc(:,:) ) > 1.0e+10 ) ssh_bkginc(:,:) = 0.0
	482	ENDIF
	483
[12613]	484	IF ( ln_sitinc ) THEN
	485	CALL iom_get( inum, jpdom_autoglo, 'bckinsit', sit_bkginc, 1 )
	486	! Apply the masks
	487	sit_bkginc(:,:) = sit_bkginc(:,:) * tmask(:,:,1)
	488	! Set missing increments to 0.0 rather than 1e+20
	489	! to allow for differences in masks
	490	WHERE( ABS( sit_bkginc(:,:) ) > 1.0e+10 ) sit_bkginc(:,:) = 0.0
	491	ENDIF
	492
[3764]	493	IF ( ln_seaiceinc ) THEN
	494	CALL iom_get( inum, jpdom_autoglo, 'bckinseaice', seaice_bkginc, 1 )
	495	! Apply the masks
	496	seaice_bkginc(:,:) = seaice_bkginc(:,:) * tmask(:,:,1)
	497	! Set missing increments to 0.0 rather than 1e+20
	498	! to allow for differences in masks
	499	WHERE( ABS( seaice_bkginc(:,:) ) > 1.0e+10 ) seaice_bkginc(:,:) = 0.0
	500	ENDIF
	501
[10302]	502	IF ( lk_bgcinc ) THEN
	503	CALL asm_bgc_init_incs( inum )
	504	ENDIF
	505
[2128]	506	CALL iom_close( inum )
	507
	508	ENDIF
	509
	510	!-----------------------------------------------------------------------
[3294]	511	! Apply divergence damping filter
	512	!-----------------------------------------------------------------------
	513
	514	IF ( ln_dyninc .AND. nn_divdmp > 0 ) THEN
	515
[3764]	516	CALL wrk_alloc(jpi,jpj,hdiv)
[3294]	517
[3764]	518	DO jt = 1, nn_divdmp
[3294]	519
[3764]	520	DO jk = 1, jpkm1
[3294]	521
[3764]	522	hdiv(:,:) = 0._wp
[3294]	523
[3764]	524	DO jj = 2, jpjm1
	525	DO ji = fs_2, fs_jpim1 ! vector opt.
	526	hdiv(ji,jj) = &
	527	( e2u(ji ,jj ) * fse3u(ji ,jj ,jk) * u_bkginc(ji ,jj ,jk) &
	528	- e2u(ji-1,jj ) * fse3u(ji-1,jj ,jk) * u_bkginc(ji-1,jj ,jk) &
	529	+ e1v(ji ,jj ) * fse3v(ji ,jj ,jk) * v_bkginc(ji ,jj ,jk) &
	530	- e1v(ji ,jj-1) * fse3v(ji ,jj-1,jk) * v_bkginc(ji ,jj-1,jk) ) &
	531	/ ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) )
	532	END DO
[3294]	533	END DO
	534
[3764]	535	CALL lbc_lnk( hdiv, 'T', 1. ) ! lateral boundary cond. (no sign change)
[3294]	536
[3764]	537	DO jj = 2, jpjm1
	538	DO ji = fs_2, fs_jpim1 ! vector opt.
	539	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) &
	540	- e1t(ji ,jj)e2t(ji ,jj) hdiv(ji ,jj) ) &
	541	/ e1u(ji,jj) * umask(ji,jj,jk)
	542	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) &
	543	- e1t(ji,jj )e2t(ji,jj ) hdiv(ji,jj ) ) &
	544	/ e2v(ji,jj) * vmask(ji,jj,jk)
	545	END DO
[3294]	546	END DO
[3764]	547
[3294]	548	END DO
	549
[3764]	550	END DO
[3294]	551
[3764]	552	CALL wrk_dealloc(jpi,jpj,hdiv)
[3294]	553
	554	ENDIF
	555
	556
	557
	558	!-----------------------------------------------------------------------
[2128]	559	! Allocate and initialize the background state arrays
	560	!-----------------------------------------------------------------------
	561
	562	IF ( ln_asmdin ) THEN
	563
	564	ALLOCATE( t_bkg(jpi,jpj,jpk) )
	565	ALLOCATE( s_bkg(jpi,jpj,jpk) )
	566	ALLOCATE( u_bkg(jpi,jpj,jpk) )
	567	ALLOCATE( v_bkg(jpi,jpj,jpk) )
	568	ALLOCATE( ssh_bkg(jpi,jpj) )
	569
	570	t_bkg(:,:,:) = 0.0
	571	s_bkg(:,:,:) = 0.0
	572	u_bkg(:,:,:) = 0.0
	573	v_bkg(:,:,:) = 0.0
	574	ssh_bkg(:,:) = 0.0
	575
	576	!--------------------------------------------------------------------
	577	! Read from file the background state at analysis time
	578	!--------------------------------------------------------------------
	579
	580	CALL iom_open( c_asmdin, inum )
	581
[3764]	582	CALL iom_get( inum, 'rdastp', zdate_bkg )
[2128]	583
	584	IF(lwp) THEN
	585	WRITE(numout,*)
	586	WRITE(numout,*) 'asm_inc_init : Assimilation background state valid at : ', &
	587	& NINT( zdate_bkg )
	588	WRITE(numout,*) '~~~~~~~~~~~~'
	589	ENDIF
	590
	591	IF ( NINT( zdate_bkg ) /= iitdin_date ) &
	592	& CALL ctl_warn( ' Validity time of assimilation background state does', &
	593	& ' not agree with Direct Initialization time' )
	594
	595	IF ( ln_trainc ) THEN
	596	CALL iom_get( inum, jpdom_autoglo, 'tn', t_bkg )
	597	CALL iom_get( inum, jpdom_autoglo, 'sn', s_bkg )
	598	t_bkg(:,:,:) = t_bkg(:,:,:) * tmask(:,:,:)
	599	s_bkg(:,:,:) = s_bkg(:,:,:) * tmask(:,:,:)
	600	ENDIF
	601
	602	IF ( ln_dyninc ) THEN
	603	CALL iom_get( inum, jpdom_autoglo, 'un', u_bkg )
	604	CALL iom_get( inum, jpdom_autoglo, 'vn', v_bkg )
	605	u_bkg(:,:,:) = u_bkg(:,:,:) * umask(:,:,:)
	606	v_bkg(:,:,:) = v_bkg(:,:,:) * vmask(:,:,:)
	607	ENDIF
	608
	609	IF ( ln_sshinc ) THEN
	610	CALL iom_get( inum, jpdom_autoglo, 'sshn', ssh_bkg )
	611	ssh_bkg(:,:) = ssh_bkg(:,:) * tmask(:,:,1)
	612	ENDIF
	613
	614	CALL iom_close( inum )
	615
	616	ENDIF
[10302]	617
	618	IF ( lk_bgcinc ) THEN
	619	CALL asm_bgc_init_bkg
	620	ENDIF
[2392]	621	!
[2128]	622	END SUBROUTINE asm_inc_init
	623
[2392]	624
[2128]	625	SUBROUTINE calc_date( kit000, kt, kdate0, kdate )
	626	!!----------------------------------------------------------------------
	627	!! * ROUTINE calc_date *
	628	!!
	629	!! ** Purpose : Compute the calendar date YYYYMMDD at a given time step.
	630	!!
	631	!! ** Method : Compute the calendar date YYYYMMDD at a given time step.
	632	!!
	633	!! ** Action :
	634	!!----------------------------------------------------------------------
	635	INTEGER, INTENT(IN) :: kit000 ! Initial time step
	636	INTEGER, INTENT(IN) :: kt ! Current time step referenced to kit000
	637	INTEGER, INTENT(IN) :: kdate0 ! Initial date
	638	INTEGER, INTENT(OUT) :: kdate ! Current date reference to kdate0
[2392]	639	!
[2128]	640	INTEGER :: iyea0 ! Initial year
	641	INTEGER :: imon0 ! Initial month
	642	INTEGER :: iday0 ! Initial day
	643	INTEGER :: iyea ! Current year
	644	INTEGER :: imon ! Current month
	645	INTEGER :: iday ! Current day
	646	INTEGER :: idaystp ! Number of days between initial and current date
	647	INTEGER :: idaycnt ! Day counter
	648
	649	INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year
	650
	651	!-----------------------------------------------------------------------
	652	! Compute the calendar date YYYYMMDD
	653	!-----------------------------------------------------------------------
	654
	655	! Initial date
	656	iyea0 = kdate0 / 10000
	657	imon0 = ( kdate0 - ( iyea0 * 10000 ) ) / 100
	658	iday0 = kdate0 - ( iyea0 * 10000 ) - ( imon0 * 100 )
	659
	660	! Check that kt >= kit000 - 1
	661	IF ( kt < kit000 - 1 ) CALL ctl_stop( ' kt must be >= kit000 - 1')
	662
	663	! If kt = kit000 - 1 then set the date to the restart date
	664	IF ( kt == kit000 - 1 ) THEN
	665
	666	kdate = ndastp
	667	RETURN
	668
	669	ENDIF
	670
	671	! Compute the number of days from the initial date
	672	idaystp = INT( REAL( kt - kit000 ) * rdt / 86400. )
	673
	674	iday = iday0
	675	imon = imon0
	676	iyea = iyea0
	677	idaycnt = 0
	678
	679	CALL calc_month_len( iyea, imonth_len )
	680
	681	DO WHILE ( idaycnt < idaystp )
	682	iday = iday + 1
	683	IF ( iday > imonth_len(imon) ) THEN
	684	iday = 1
	685	imon = imon + 1
	686	ENDIF
	687	IF ( imon > 12 ) THEN
	688	imon = 1
	689	iyea = iyea + 1
	690	CALL calc_month_len( iyea, imonth_len ) ! update month lengths
	691	ENDIF
	692	idaycnt = idaycnt + 1
	693	END DO
[2392]	694	!
[2128]	695	kdate = iyea * 10000 + imon * 100 + iday
[2392]	696	!
[2128]	697	END SUBROUTINE
	698
[2392]	699
[2128]	700	SUBROUTINE calc_month_len( iyear, imonth_len )
	701	!!----------------------------------------------------------------------
	702	!! * ROUTINE calc_month_len *
	703	!!
	704	!! ** Purpose : Compute the number of days in a months given a year.
	705	!!
	706	!! ** Method :
	707	!!----------------------------------------------------------------------
	708	INTEGER, DIMENSION(12) :: imonth_len !: length in days of the months of the current year
	709	INTEGER :: iyear !: year
[2392]	710	!!----------------------------------------------------------------------
	711	!
[2128]	712	! length of the month of the current year (from nleapy, read in namelist)
	713	IF ( nleapy < 2 ) THEN
	714	imonth_len(:) = (/ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 /)
	715	IF ( nleapy == 1 ) THEN ! we are using calendar with leap years
	716	IF ( MOD(iyear, 4) == 0 .AND. ( MOD(iyear, 400) == 0 .OR. MOD(iyear, 100) /= 0 ) ) THEN
	717	imonth_len(2) = 29
	718	ENDIF
	719	ENDIF
	720	ELSE
	721	imonth_len(:) = nleapy ! all months with nleapy days per year
	722	ENDIF
[2392]	723	!
[2128]	724	END SUBROUTINE
	725
[2392]	726
[2128]	727	SUBROUTINE tra_asm_inc( kt )
	728	!!----------------------------------------------------------------------
	729	!! * ROUTINE tra_asm_inc *
	730	!!
	731	!! ** Purpose : Apply the tracer (T and S) assimilation increments
	732	!!
	733	!! ** Method : Direct initialization or Incremental Analysis Updating
	734	!!
	735	!! ** Action :
	736	!!----------------------------------------------------------------------
	737	INTEGER, INTENT(IN) :: kt ! Current time step
[2392]	738	!
[2128]	739	INTEGER :: ji,jj,jk
	740	INTEGER :: it
	741	REAL(wp) :: zincwgt ! IAU weight for current time step
[3764]	742	REAL (wp), DIMENSION(jpi,jpj,jpk) :: fzptnz ! 3d freezing point values
[2392]	743	!!----------------------------------------------------------------------
[2128]	744
[3764]	745	! freezing point calculation taken from oc_fz_pt (but calculated for all depths)
	746	! used to prevent the applied increments taking the temperature below the local freezing point
	747
[4990]	748	DO jk = 1, jpkm1
[6498]	749	CALL eos_fzp( tsn(:,:,jk,jp_sal), fzptnz(:,:,jk), fsdept(:,:,jk) )
[4990]	750	END DO
[3764]	751
[2128]	752	IF ( ln_asmiau ) THEN
	753
	754	!--------------------------------------------------------------------
	755	! Incremental Analysis Updating
	756	!--------------------------------------------------------------------
	757
	758	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
	759
	760	it = kt - nit000 + 1
	761	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
	762
	763	IF(lwp) THEN
	764	WRITE(numout,*)
[4990]	765	WRITE(numout,*) 'tra_asm_inc : Tracer IAU at time step = ', kt,' with IAU weight = ', wgtiau(it)
[2128]	766	WRITE(numout,*) '~~~~~~~~~~~~'
	767	ENDIF
	768
	769	! Update the tracer tendencies
	770	DO jk = 1, jpkm1
[3764]	771	IF (ln_temnofreeze) THEN
	772	! Do not apply negative increments if the temperature will fall below freezing
	773	WHERE(t_bkginc(:,:,jk) > 0.0_wp .OR. &
	774	& tsn(:,:,jk,jp_tem) + tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * wgtiau(it) > fzptnz(:,:,jk) )
	775	tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt
	776	END WHERE
	777	ELSE
	778	tsa(:,:,jk,jp_tem) = tsa(:,:,jk,jp_tem) + t_bkginc(:,:,jk) * zincwgt
	779	ENDIF
	780	IF (ln_salfix) THEN
	781	! Do not apply negative increments if the salinity will fall below a specified
	782	! minimum value salfixmin
	783	WHERE(s_bkginc(:,:,jk) > 0.0_wp .OR. &
	784	& tsn(:,:,jk,jp_sal) + tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * wgtiau(it) > salfixmin )
	785	tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt
	786	END WHERE
	787	ELSE
	788	tsa(:,:,jk,jp_sal) = tsa(:,:,jk,jp_sal) + s_bkginc(:,:,jk) * zincwgt
	789	ENDIF
[2128]	790	END DO
	791
	792	ENDIF
	793
	794	IF ( kt == nitiaufin_r + 1 ) THEN ! For bias crcn to work
	795	DEALLOCATE( t_bkginc )
	796	DEALLOCATE( s_bkginc )
	797	ENDIF
	798
	799
	800	ELSEIF ( ln_asmdin ) THEN
	801
	802	!--------------------------------------------------------------------
	803	! Direct Initialization
	804	!--------------------------------------------------------------------
	805
	806	IF ( kt == nitdin_r ) THEN
	807
	808	neuler = 0 ! Force Euler forward step
	809
	810	! Initialize the now fields with the background + increment
[3764]	811	IF (ln_temnofreeze) THEN
	812	! Do not apply negative increments if the temperature will fall below freezing
[4990]	813	WHERE( t_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_tem) + t_bkginc(:,:,:) > fzptnz(:,:,:) )
[3764]	814	tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:)
	815	END WHERE
	816	ELSE
	817	tsn(:,:,:,jp_tem) = t_bkg(:,:,:) + t_bkginc(:,:,:)
	818	ENDIF
[2128]	819	IF (ln_salfix) THEN
[3764]	820	! Do not apply negative increments if the salinity will fall below a specified
	821	! minimum value salfixmin
[4990]	822	WHERE( s_bkginc(:,:,:) > 0.0_wp .OR. tsn(:,:,:,jp_sal) + s_bkginc(:,:,:) > salfixmin )
[3764]	823	tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:)
	824	END WHERE
	825	ELSE
	826	tsn(:,:,:,jp_sal) = s_bkg(:,:,:) + s_bkginc(:,:,:)
[2128]	827	ENDIF
	828
[4990]	829	tsb(:,:,:,:) = tsn(:,:,:,:) ! Update before fields
[2128]	830
[4990]	831	CALL eos( tsb, rhd, rhop, gdept_0(:,:,:) ) ! Before potential and in situ densities
	832	!!gm fabien
	833	! CALL eos( tsb, rhd, rhop ) ! Before potential and in situ densities
	834	!!gm
	835
	836
[5120]	837	IF( ln_zps .AND. .NOT. lk_c1d .AND. .NOT. ln_isfcav) &
	838	& CALL zps_hde ( kt, jpts, tsb, gtsu, gtsv, & ! Partial steps: before horizontal gradient
	839	& rhd, gru , grv ) ! of t, s, rd at the last ocean level
	840	IF( ln_zps .AND. .NOT. lk_c1d .AND. ln_isfcav) &
	841	& CALL zps_hde_isf( nit000, jpts, tsb, gtsu, gtsv, & ! Partial steps for top cell (ISF)
	842	& rhd, gru , grv , aru , arv , gzu , gzv , ge3ru , ge3rv , &
	843	& gtui, gtvi, grui, grvi, arui, arvi, gzui, gzvi, ge3rui, ge3rvi ) ! of t, s, rd at the last ocean level
[2128]	844
[3764]	845	#if defined key_zdfkpp
[4313]	846	CALL eos( tsn, rhd, fsdept_n(:,:,:) ) ! Compute rhd
[4990]	847	!!gm fabien CALL eos( tsn, rhd ) ! Compute rhd
[3764]	848	#endif
	849
[2128]	850	DEALLOCATE( t_bkginc )
	851	DEALLOCATE( s_bkginc )
	852	DEALLOCATE( t_bkg )
	853	DEALLOCATE( s_bkg )
	854	ENDIF
[2392]	855	!
[2128]	856	ENDIF
[7962]	857	! Perhaps the following call should be in step
	858	IF ( ln_seaiceinc ) CALL seaice_asm_inc ( kt ) ! apply sea ice concentration increment
[12613]	859	IF ( ln_sitinc ) CALL sit_asm_inc ( kt ) ! apply sea ice thickness increment
[2392]	860	!
[2128]	861	END SUBROUTINE tra_asm_inc
	862
[2392]	863
[2128]	864	SUBROUTINE dyn_asm_inc( kt )
	865	!!----------------------------------------------------------------------
	866	!! * ROUTINE dyn_asm_inc *
	867	!!
	868	!! ** Purpose : Apply the dynamics (u and v) assimilation increments.
	869	!!
	870	!! ** Method : Direct initialization or Incremental Analysis Updating.
	871	!!
	872	!! ** Action :
	873	!!----------------------------------------------------------------------
	874	INTEGER, INTENT(IN) :: kt ! Current time step
[2392]	875	!
[2128]	876	INTEGER :: jk
	877	INTEGER :: it
	878	REAL(wp) :: zincwgt ! IAU weight for current time step
[2392]	879	!!----------------------------------------------------------------------
[2128]	880
	881	IF ( ln_asmiau ) THEN
	882
	883	!--------------------------------------------------------------------
	884	! Incremental Analysis Updating
	885	!--------------------------------------------------------------------
	886
	887	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
	888
	889	it = kt - nit000 + 1
	890	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
	891
	892	IF(lwp) THEN
	893	WRITE(numout,*)
	894	WRITE(numout,*) 'dyn_asm_inc : Dynamics IAU at time step = ', &
	895	& kt,' with IAU weight = ', wgtiau(it)
	896	WRITE(numout,*) '~~~~~~~~~~~~'
	897	ENDIF
	898
	899	! Update the dynamic tendencies
	900	DO jk = 1, jpkm1
	901	ua(:,:,jk) = ua(:,:,jk) + u_bkginc(:,:,jk) * zincwgt
	902	va(:,:,jk) = va(:,:,jk) + v_bkginc(:,:,jk) * zincwgt
	903	END DO
	904
	905	IF ( kt == nitiaufin_r ) THEN
	906	DEALLOCATE( u_bkginc )
	907	DEALLOCATE( v_bkginc )
	908	ENDIF
	909
	910	ENDIF
	911
	912	ELSEIF ( ln_asmdin ) THEN
	913
	914	!--------------------------------------------------------------------
	915	! Direct Initialization
	916	!--------------------------------------------------------------------
	917
	918	IF ( kt == nitdin_r ) THEN
	919
	920	neuler = 0 ! Force Euler forward step
	921
	922	! Initialize the now fields with the background + increment
	923	un(:,:,:) = u_bkg(:,:,:) + u_bkginc(:,:,:)
	924	vn(:,:,:) = v_bkg(:,:,:) + v_bkginc(:,:,:)
	925
	926	ub(:,:,:) = un(:,:,:) ! Update before fields
	927	vb(:,:,:) = vn(:,:,:)
	928
	929	DEALLOCATE( u_bkg )
	930	DEALLOCATE( v_bkg )
	931	DEALLOCATE( u_bkginc )
	932	DEALLOCATE( v_bkginc )
	933	ENDIF
[2392]	934	!
[2128]	935	ENDIF
[2392]	936	!
[2128]	937	END SUBROUTINE dyn_asm_inc
	938
[2392]	939
[2128]	940	SUBROUTINE ssh_asm_inc( kt )
	941	!!----------------------------------------------------------------------
	942	!! * ROUTINE ssh_asm_inc *
	943	!!
	944	!! ** Purpose : Apply the sea surface height assimilation increment.
	945	!!
	946	!! ** Method : Direct initialization or Incremental Analysis Updating.
	947	!!
	948	!! ** Action :
	949	!!----------------------------------------------------------------------
	950	INTEGER, INTENT(IN) :: kt ! Current time step
[2392]	951	!
[2128]	952	INTEGER :: it
[3764]	953	INTEGER :: jk
[2128]	954	REAL(wp) :: zincwgt ! IAU weight for current time step
[2392]	955	!!----------------------------------------------------------------------
[2128]	956
	957	IF ( ln_asmiau ) THEN
	958
	959	!--------------------------------------------------------------------
	960	! Incremental Analysis Updating
	961	!--------------------------------------------------------------------
	962
	963	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
	964
	965	it = kt - nit000 + 1
	966	zincwgt = wgtiau(it) / rdt ! IAU weight for the current time step
	967
	968	IF(lwp) THEN
	969	WRITE(numout,*)
	970	WRITE(numout,*) 'ssh_asm_inc : SSH IAU at time step = ', &
	971	& kt,' with IAU weight = ', wgtiau(it)
	972	WRITE(numout,*) '~~~~~~~~~~~~'
	973	ENDIF
	974
	975	! Save the tendency associated with the IAU weighted SSH increment
	976	! (applied in dynspg.*)
	977	#if defined key_asminc
	978	ssh_iau(:,:) = ssh_bkginc(:,:) * zincwgt
	979	#endif
	980	IF ( kt == nitiaufin_r ) THEN
	981	DEALLOCATE( ssh_bkginc )
	982	ENDIF
	983
[8400]	984	ELSE
	985	#if defined key_asminc
	986	ssh_iau(:,:) = 0.0
	987	#endif
[2128]	988	ENDIF
	989
	990	ELSEIF ( ln_asmdin ) THEN
	991
	992	!--------------------------------------------------------------------
	993	! Direct Initialization
	994	!--------------------------------------------------------------------
	995
	996	IF ( kt == nitdin_r ) THEN
	997
	998	neuler = 0 ! Force Euler forward step
	999
	1000	! Initialize the now fields the background + increment
	1001	sshn(:,:) = ssh_bkg(:,:) + ssh_bkginc(:,:)
	1002
[3764]	1003	! Update before fields
	1004	sshb(:,:) = sshn(:,:)
[2128]	1005
[3764]	1006	IF( lk_vvl ) THEN
	1007	DO jk = 1, jpk
	1008	fse3t_b(:,:,jk) = fse3t_n(:,:,jk)
	1009	END DO
	1010	ENDIF
	1011
[2128]	1012	DEALLOCATE( ssh_bkg )
	1013	DEALLOCATE( ssh_bkginc )
	1014
	1015	ENDIF
[2392]	1016	!
[2128]	1017	ENDIF
[2392]	1018	!
[2128]	1019	END SUBROUTINE ssh_asm_inc
	1020
[12613]	1021	SUBROUTINE sit_asm_inc( kt, kindic )
	1022	!!----------------------------------------------------------------------
	1023	!! * ROUTINE sit_asm_inc *
	1024	!!
	1025	!! ** Purpose : Apply the sea ice thickness assimilation increment.
	1026	!!
	1027	!! ** Method : Direct initialization or Incremental Analysis Updating.
	1028	!!
	1029	!! ** Action :
	1030	!!
	1031	!!----------------------------------------------------------------------
	1032	IMPLICIT NONE
	1033	!
	1034	INTEGER, INTENT(in) :: kt ! Current time step
	1035	INTEGER, INTENT(in), OPTIONAL :: kindic ! flag for disabling the deallocation
	1036	!
	1037	INTEGER :: it
	1038	REAL(wp) :: zincwgt ! IAU weight for current time step
	1039	!!----------------------------------------------------------------------
[3785]	1040
[12613]	1041	IF ( ln_asmiau ) THEN
	1042
	1043	!--------------------------------------------------------------------
	1044	! Incremental Analysis Updating
	1045	!--------------------------------------------------------------------
	1046
	1047	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
	1048
	1049	it = kt - nit000 + 1
	1050	zincwgt = wgtiau(it) ! IAU weight for the current time step
	1051	! note this is not a tendency so should not be divided by rdt (as with the tracer and other increments)
	1052	! EF: Actually CICE is expecting a tendency so is divided by rdt below
	1053
	1054	IF(lwp) THEN
	1055	WRITE(numout,*)
	1056	WRITE(numout,*) 'sit_asm_inc : sea ice thick IAU at time step = ', &
	1057	& kt,' with IAU weight = ', wgtiau(it)
	1058	WRITE(numout,*) '~~~~~~~~~~~~'
	1059	ENDIF
	1060
	1061	#if defined key_cice && defined key_asminc
	1062	! Sea-ice thickness : CICE case. Pass ice thickness increment tendency into CICE
	1063	ndsit_da(:,:) = sit_bkginc(:,:) * zincwgt / rdt
	1064	#endif
	1065
	1066	IF ( kt == nitiaufin_r ) THEN
	1067	DEALLOCATE( sit_bkginc )
	1068	ENDIF
	1069
	1070	ELSE
	1071
	1072	#if defined key_cice && defined key_asminc
	1073	! Sea-ice thickness : CICE case. Zero ice increment tendency into CICE
	1074	ndsit_da(:,:) = 0.0_wp
	1075	#endif
	1076
	1077	ENDIF
	1078
	1079	ELSEIF ( ln_asmdin ) THEN
	1080
	1081	!--------------------------------------------------------------------
	1082	! Direct Initialization
	1083	!--------------------------------------------------------------------
	1084
	1085	IF ( kt == nitdin_r ) THEN
	1086
	1087	neuler = 0 ! Force Euler forward step
	1088
	1089	#if defined key_cice && defined key_asminc
	1090	! Sea-ice thickness : CICE case. Pass ice thickness increment tendency into CICE
	1091	ndsit_da(:,:) = sit_bkginc(:,:) / rdt
	1092	#endif
	1093	IF ( .NOT. PRESENT(kindic) ) THEN
	1094	DEALLOCATE( sit_bkginc )
	1095	END IF
	1096
	1097	ELSE
	1098
	1099	#if defined key_cice && defined key_asminc
	1100	! Sea-ice thicnkness : CICE case. Zero ice thickness increment tendency into CICE
	1101	ndsit_da(:,:) = 0.0_wp
	1102	#endif
	1103
	1104	ENDIF
	1105
	1106	ENDIF
	1107
	1108	END SUBROUTINE sit_asm_inc
	1109
[3764]	1110	SUBROUTINE seaice_asm_inc( kt, kindic )
	1111	!!----------------------------------------------------------------------
	1112	!! * ROUTINE seaice_asm_inc *
	1113	!!
[12613]	1114	!! ** Purpose : Apply the sea ice concentration assimilation increment.
[3764]	1115	!!
	1116	!! ** Method : Direct initialization or Incremental Analysis Updating.
	1117	!!
	1118	!! ** Action :
	1119	!!
	1120	!!----------------------------------------------------------------------
	1121	IMPLICIT NONE
[3785]	1122	!
	1123	INTEGER, INTENT(in) :: kt ! Current time step
	1124	INTEGER, INTENT(in), OPTIONAL :: kindic ! flag for disabling the deallocation
	1125	!
	1126	INTEGER :: it
	1127	REAL(wp) :: zincwgt ! IAU weight for current time step
	1128	#if defined key_lim2
	1129	REAL(wp), DIMENSION(jpi,jpj) :: zofrld, zohicif, zseaicendg, zhicifinc ! LIM
	1130	REAL(wp) :: zhicifmin = 0.5_wp ! ice minimum depth in metres
[3764]	1131	#endif
[3785]	1132	!!----------------------------------------------------------------------
[3764]	1133
	1134	IF ( ln_asmiau ) THEN
	1135
	1136	!--------------------------------------------------------------------
	1137	! Incremental Analysis Updating
	1138	!--------------------------------------------------------------------
	1139
	1140	IF ( ( kt >= nitiaustr_r ).AND.( kt <= nitiaufin_r ) ) THEN
	1141
	1142	it = kt - nit000 + 1
	1143	zincwgt = wgtiau(it) ! IAU weight for the current time step
	1144	! note this is not a tendency so should not be divided by rdt (as with the tracer and other increments)
	1145
	1146	IF(lwp) THEN
	1147	WRITE(numout,*)
	1148	WRITE(numout,*) 'seaice_asm_inc : sea ice conc IAU at time step = ', &
	1149	& kt,' with IAU weight = ', wgtiau(it)
	1150	WRITE(numout,*) '~~~~~~~~~~~~'
	1151	ENDIF
	1152
[3785]	1153	! Sea-ice : LIM-3 case (to add)
[3764]	1154
[3785]	1155	#if defined key_lim2
	1156	! Sea-ice : LIM-2 case
	1157	zofrld (:,:) = frld(:,:)
	1158	zohicif(:,:) = hicif(:,:)
	1159	!
	1160	frld = MIN( MAX( frld (:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp)
[3764]	1161	pfrld = MIN( MAX( pfrld(:,:) - seaice_bkginc(:,:) * zincwgt, 0.0_wp), 1.0_wp)
	1162	fr_i(:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction
[3785]	1163	!
	1164	zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied
	1165	!
[3764]	1166	! Nudge sea ice depth to bring it up to a required minimum depth
	1167	WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin )
	1168	zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt
	1169	ELSEWHERE
	1170	zhicifinc(:,:) = 0.0_wp
	1171	END WHERE
[3785]	1172	!
	1173	! nudge ice depth
	1174	hicif (:,:) = hicif (:,:) + zhicifinc(:,:)
	1175	phicif(:,:) = phicif(:,:) + zhicifinc(:,:)
	1176	!
	1177	! seaice salinity balancing (to add)
[3764]	1178	#endif
	1179
[4245]	1180	#if defined key_cice && defined key_asminc
[3785]	1181	! Sea-ice : CICE case. Pass ice increment tendency into CICE
[3764]	1182	ndaice_da(:,:) = seaice_bkginc(:,:) * zincwgt / rdt
	1183	#endif
	1184
	1185	IF ( kt == nitiaufin_r ) THEN
	1186	DEALLOCATE( seaice_bkginc )
	1187	ENDIF
	1188
	1189	ELSE
	1190
[4245]	1191	#if defined key_cice && defined key_asminc
[3785]	1192	! Sea-ice : CICE case. Zero ice increment tendency into CICE
[3764]	1193	ndaice_da(:,:) = 0.0_wp
	1194	#endif
	1195
	1196	ENDIF
	1197
	1198	ELSEIF ( ln_asmdin ) THEN
	1199
	1200	!--------------------------------------------------------------------
	1201	! Direct Initialization
	1202	!--------------------------------------------------------------------
	1203
	1204	IF ( kt == nitdin_r ) THEN
	1205
	1206	neuler = 0 ! Force Euler forward step
	1207
[3785]	1208	! Sea-ice : LIM-3 case (to add)
[3764]	1209
[3785]	1210	#if defined key_lim2
	1211	! Sea-ice : LIM-2 case.
[3764]	1212	zofrld(:,:)=frld(:,:)
	1213	zohicif(:,:)=hicif(:,:)
[3785]	1214	!
[3764]	1215	! Initialize the now fields the background + increment
[3785]	1216	frld (:,:) = MIN( MAX( frld(:,:) - seaice_bkginc(:,:), 0.0_wp), 1.0_wp)
[3764]	1217	pfrld(:,:) = frld(:,:)
[3785]	1218	fr_i (:,:) = 1.0_wp - frld(:,:) ! adjust ice fraction
	1219	zseaicendg(:,:) = zofrld(:,:) - frld(:,:) ! find out actual sea ice nudge applied
	1220	!
[3764]	1221	! Nudge sea ice depth to bring it up to a required minimum depth
	1222	WHERE( zseaicendg(:,:) > 0.0_wp .AND. hicif(:,:) < zhicifmin )
	1223	zhicifinc(:,:) = (zhicifmin - hicif(:,:)) * zincwgt
	1224	ELSEWHERE
	1225	zhicifinc(:,:) = 0.0_wp
	1226	END WHERE
[3785]	1227	!
	1228	! nudge ice depth
	1229	hicif (:,:) = hicif (:,:) + zhicifinc(:,:)
	1230	phicif(:,:) = phicif(:,:)
	1231	!
	1232	! seaice salinity balancing (to add)
[3764]	1233	#endif
	1234
[4245]	1235	#if defined key_cice && defined key_asminc
	1236	! Sea-ice : CICE case. Pass ice increment tendency into CICE
[3764]	1237	ndaice_da(:,:) = seaice_bkginc(:,:) / rdt
	1238	#endif
	1239	IF ( .NOT. PRESENT(kindic) ) THEN
	1240	DEALLOCATE( seaice_bkginc )
	1241	END IF
	1242
	1243	ELSE
	1244
[4245]	1245	#if defined key_cice && defined key_asminc
[3785]	1246	! Sea-ice : CICE case. Zero ice increment tendency into CICE
[3764]	1247	ndaice_da(:,:) = 0.0_wp
	1248	#endif
	1249
	1250	ENDIF
	1251
[3785]	1252	!#if defined defined key_lim2 \|\| defined key_cice
[3764]	1253	!
	1254	! IF (ln_seaicebal ) THEN
	1255	! !! balancing salinity increments
	1256	! !! simple case from limflx.F90 (doesn't include a mass flux)
	1257	! !! assumption is that as ice concentration is reduced or increased
	1258	! !! the snow and ice depths remain constant
	1259	! !! note that snow is being created where ice concentration is being increased
	1260	! !! - could be more sophisticated and
	1261	! !! not do this (but would need to alter h_snow)
	1262	!
	1263	! usave(:,:,:)=sb(:,:,:) ! use array as a temporary store
	1264	!
	1265	! DO jj = 1, jpj
	1266	! DO ji = 1, jpi
	1267	! ! calculate change in ice and snow mass per unit area
	1268	! ! positive values imply adding salt to the ocean (results from ice formation)
	1269	! ! fwf : ice formation and melting
	1270	!
	1271	! zfons = ( -nfresh_da(ji,jj)soce + nfsalt_da(ji,jj) )rdt
	1272	!
	1273	! ! change salinity down to mixed layer depth
	1274	! mld=hmld_kara(ji,jj)
	1275	!
	1276	! ! prevent small mld
	1277	! ! less than 10m can cause salinity instability
	1278	! IF (mld < 10) mld=10
	1279	!
	1280	! ! set to bottom of a level
	1281	! DO jk = jpk-1, 2, -1
	1282	! IF ((mld > gdepw(ji,jj,jk)) .and. (mld < gdepw(ji,jj,jk+1))) THEN
	1283	! mld=gdepw(ji,jj,jk+1)
	1284	! jkmax=jk
	1285	! ENDIF
	1286	! ENDDO
	1287	!
	1288	! ! avoid applying salinity balancing in shallow water or on land
	1289	! !
	1290	!
	1291	! ! dsal_ocn (psu kg m^-2) / (kg m^-3 * m)
	1292	!
	1293	! dsal_ocn=0.0_wp
	1294	! sal_thresh=5.0_wp ! minimum salinity threshold for salinity balancing
	1295	!
	1296	! if (tmask(ji,jj,1) > 0 .AND. tmask(ji,jj,jkmax) > 0 ) &
	1297	! dsal_ocn = zfons / (rhop(ji,jj,1) * mld)
	1298	!
	1299	! ! put increments in for levels in the mixed layer
	1300	! ! but prevent salinity below a threshold value
	1301	!
	1302	! DO jk = 1, jkmax
	1303	!
	1304	! IF (dsal_ocn > 0.0_wp .or. sb(ji,jj,jk)+dsal_ocn > sal_thresh) THEN
	1305	! sb(ji,jj,jk) = sb(ji,jj,jk) + dsal_ocn
	1306	! sn(ji,jj,jk) = sn(ji,jj,jk) + dsal_ocn
	1307	! ENDIF
	1308	!
	1309	! ENDDO
	1310	!
	1311	! ! ! salt exchanges at the ice/ocean interface
	1312	! ! zpmess = zfons / rdt_ice ! rdt_ice is ice timestep
	1313	! !
	1314	! !! Adjust fsalt. A +ve fsalt means adding salt to ocean
	1315	! !! fsalt(ji,jj) = fsalt(ji,jj) + zpmess ! adjust fsalt
	1316	! !!
	1317	! !! emps(ji,jj) = emps(ji,jj) + zpmess ! or adjust emps (see icestp1d)
	1318	! !! ! E-P (kg m-2 s-2)
	1319	! ! emp(ji,jj) = emp(ji,jj) + zpmess ! E-P (kg m-2 s-2)
	1320	! ENDDO !ji
	1321	! ENDDO !jj!
	1322	!
	1323	! ENDIF !ln_seaicebal
	1324	!
	1325	!#endif
	1326
	1327	ENDIF
	1328
	1329	END SUBROUTINE seaice_asm_inc
[10302]	1330
	1331
	1332	SUBROUTINE bgc_asm_inc( kt )
	1333	!!----------------------------------------------------------------------
	1334	!! * ROUTINE bgc_asm_inc *
	1335	!!
	1336	!! ** Purpose : Apply the biogeochemistry assimilation increments
	1337	!!
	1338	!! ** Method : Call relevant routines in asmbgc
	1339	!!
	1340	!! ** Action : Call relevant routines in asmbgc
	1341	!!
	1342	!!----------------------------------------------------------------------
	1343	!!
	1344	INTEGER, INTENT(in ) :: kt ! Current time step
	1345	!
	1346	INTEGER :: icycper ! Dimension of wgtiau
	1347	!!
	1348	!!----------------------------------------------------------------------
	1349
	1350	icycper = SIZE( wgtiau )
	1351
	1352	! Ocean colour variables first
	1353	IF ( ln_slchltotinc .OR. ln_slchldiainc .OR. ln_slchlnoninc .OR. &
	1354	& ln_schltotinc .OR. ln_slphytotinc .OR. ln_slphydiainc .OR. &
	1355	& ln_slphynoninc ) THEN
	1356	CALL phyto2d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
	1357	ENDIF
	1358
	1359	! Surface pCO2/fCO2 next
	1360	IF ( ln_sfco2inc .OR. ln_spco2inc ) THEN
	1361	CALL pco2_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau, &
	1362	& ln_trainc, t_bkginc, s_bkginc )
	1363	ENDIF
	1364
	1365	! Profile pH next
	1366	IF ( ln_pphinc ) THEN
	1367	CALL ph_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau, &
	1368	& ln_trainc, t_bkginc, s_bkginc )
	1369	ENDIF
	1370
	1371	! Then chlorophyll profiles
	1372	IF ( ln_plchltotinc .OR. ln_pchltotinc ) THEN
	1373	CALL phyto3d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
	1374	ENDIF
	1375
	1376	! Remaining bgc profile variables
	1377	IF ( ln_pno3inc .OR. ln_psi4inc .OR. ln_pdicinc .OR. &
	1378	& ln_palkinc .OR. ln_po2inc ) THEN
	1379	CALL bgc3d_asm_inc( kt, ln_asmdin, ln_asmiau, icycper, wgtiau )
	1380	ENDIF
	1381
	1382	END SUBROUTINE bgc_asm_inc
[3785]	1383
[2392]	1384	!!======================================================================
[2128]	1385	END MODULE asminc

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source: branches/UKMO/dev_r5518_GO6_package_FOAMv14/NEMOGCM/NEMO/OPA_SRC/ASM/asminc.F90 @ 14306

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