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p4zsms.F90 in NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/TOP/PISCES/P4Z – NEMO

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source: NEMO/branches/2018/dev_r10164_HPC09_ESIWACE_PREP_MERGE/src/TOP/PISCES/P4Z/p4zsms.F90 @ 10377

Last change on this file since 10377 was 10377, checked in by smasson, 5 years ago
dev_r10164_HPC09_ESIWACE_PREP_MERGE: merge with trunk@10376, see #2133
Property svn:keywords set to `Id`
File size: 25.2 KB

Rev	Line
[3443]	1	MODULE p4zsms
	2	!!======================================================================
	3	!! * MODULE p4zsms *
	4	!! TOP : PISCES Source Minus Sink manager
	5	!!======================================================================
	6	!! History : 1.0 ! 2004-03 (O. Aumont) Original code
	7	!! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90
	8	!!----------------------------------------------------------------------
[9169]	9	!! p4z_sms : Time loop of passive tracers sms
[3443]	10	!!----------------------------------------------------------------------
[9169]	11	USE oce_trc ! shared variables between ocean and passive tracers
	12	USE trc ! passive tracers common variables
	13	USE trcdta !
	14	USE sms_pisces ! PISCES Source Minus Sink variables
	15	USE p4zbio ! Biological model
	16	USE p4zche ! Chemical model
	17	USE p4zlys ! Calcite saturation
	18	USE p4zflx ! Gas exchange
	19	USE p4zsbc ! External source of nutrients
	20	USE p4zsed ! Sedimentation
	21	USE p4zint ! time interpolation
	22	USE p4zrem ! remineralisation
	23	USE iom ! I/O manager
	24	USE trd_oce ! Ocean trends variables
	25	USE trdtrc ! TOP trends variables
	26	USE sedmodel ! Sediment model
	27	USE prtctl_trc ! print control for debugging
[3443]	28
	29	IMPLICIT NONE
	30	PRIVATE
	31
[4990]	32	PUBLIC p4z_sms_init ! called in p4zsms.F90
	33	PUBLIC p4z_sms ! called in p4zsms.F90
[3443]	34
[9169]	35	INTEGER :: numco2, numnut, numnit ! logical unit for co2 budget
	36	REAL(wp) :: alkbudget, no3budget, silbudget, ferbudget, po4budget
	37	REAL(wp) :: xfact1, xfact2, xfact3
[3443]	38
[9169]	39	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: xnegtr ! Array used to indicate negative tracer values
[5385]	40
[3443]	41	!!----------------------------------------------------------------------
[10067]	42	!! NEMO/TOP 4.0 , NEMO Consortium (2018)
[10069]	43	!! $Id$
[10068]	44	!! Software governed by the CeCILL license (see ./LICENSE)
[3443]	45	!!----------------------------------------------------------------------
	46	CONTAINS
	47
	48	SUBROUTINE p4z_sms( kt )
	49	!!---------------------------------------------------------------------
	50	!! * ROUTINE p4z_sms *
	51	!!
	52	!! ** Purpose : Managment of the call to Biological sources and sinks
	53	!! routines of PISCES bio-model
	54	!!
	55	!! ** Method : - at each new day ...
	56	!! - several calls of bio and sed ???
	57	!! - ...
	58	!!---------------------------------------------------------------------
	59	!
	60	INTEGER, INTENT( in ) :: kt ! ocean time-step index
	61	!!
[5385]	62	INTEGER :: ji, jj, jk, jnt, jn, jl
	63	REAL(wp) :: ztra
[3443]	64	CHARACTER (len=25) :: charout
	65	!!---------------------------------------------------------------------
	66	!
[9124]	67	IF( ln_timing ) CALL timing_start('p4z_sms')
[3443]	68	!
[4152]	69	IF( kt == nittrc000 ) THEN
	70	!
[5385]	71	ALLOCATE( xnegtr(jpi,jpj,jpk) )
	72	!
[9559]	73	IF( .NOT. ln_rsttr ) THEN
	74	CALL p4z_che ! initialize the chemical constants
	75	CALL ahini_for_at(hi) ! set PH at kt=nit000
	76	ELSE
	77	CALL p4z_rst( nittrc000, 'READ' ) !* read or initialize all required fields
[4152]	78	ENDIF
	79	!
	80	ENDIF
	81	!
[3443]	82	IF( ln_pisdmp .AND. MOD( kt - nn_dttrc, nn_pisdmp ) == 0 ) CALL p4z_dmp( kt ) ! Relaxation of some tracers
[3496]	83	!
[7646]	84	rfact = r2dttrc
[5385]	85	!
	86	IF( ( ln_top_euler .AND. kt == nittrc000 ) .OR. ( .NOT.ln_top_euler .AND. kt <= nittrc000 + nn_dttrc ) ) THEN
	87	rfactr = 1. / rfact
[7646]	88	rfact2 = rfact / REAL( nrdttrc, wp )
[5385]	89	rfact2r = 1. / rfact2
	90	xstep = rfact2 / rday ! Time step duration for biology
	91	IF(lwp) WRITE(numout,*)
[6140]	92	IF(lwp) WRITE(numout,*) ' Passive Tracer time step rfact = ', rfact, ' rdt = ', rdt
[5385]	93	IF(lwp) write(numout,*) ' PISCES Biology time step rfact2 = ', rfact2
	94	IF(lwp) WRITE(numout,*)
	95	ENDIF
	96
	97	IF( ( neuler == 0 .AND. kt == nittrc000 ) .OR. ln_top_euler ) THEN
	98	DO jn = jp_pcs0, jp_pcs1 ! SMS on tracer without Asselin time-filter
[7753]	99	trb(:,:,:,jn) = trn(:,:,:,jn)
[5385]	100	END DO
	101	ENDIF
	102	!
[10345]	103	IF( ll_sbc ) CALL p4z_sbc( kt ) ! external sources of nutrients
	104	!
	105	#if ! defined key_sed_off
[9559]	106	CALL p4z_che ! computation of chemical constants
	107	CALL p4z_int( kt ) ! computation of various rates for biogeochemistry
	108	!
[3443]	109	DO jnt = 1, nrdttrc ! Potential time splitting if requested
	110	!
[5385]	111	CALL p4z_bio( kt, jnt ) ! Biology
	112	CALL p4z_lys( kt, jnt ) ! Compute CaCO3 saturation
[6421]	113	CALL p4z_sed( kt, jnt ) ! Surface and Bottom boundary conditions
[5385]	114	CALL p4z_flx( kt, jnt ) ! Compute surface fluxes
[3443]	115	!
[7753]	116	xnegtr(:,:,:) = 1.e0
[3443]	117	DO jn = jp_pcs0, jp_pcs1
[5385]	118	DO jk = 1, jpk
	119	DO jj = 1, jpj
	120	DO ji = 1, jpi
	121	IF( ( trb(ji,jj,jk,jn) + tra(ji,jj,jk,jn) ) < 0.e0 ) THEN
	122	ztra = ABS( trb(ji,jj,jk,jn) ) / ( ABS( tra(ji,jj,jk,jn) ) + rtrn )
	123	xnegtr(ji,jj,jk) = MIN( xnegtr(ji,jj,jk), ztra )
	124	ENDIF
	125	END DO
	126	END DO
	127	END DO
	128	END DO
	129	! ! where at least 1 tracer concentration becomes negative
	130	! !
	131	DO jn = jp_pcs0, jp_pcs1
[7753]	132	trb(:,:,:,jn) = trb(:,:,:,jn) + xnegtr(:,:,:) * tra(:,:,:,jn)
[5385]	133	END DO
	134	!
	135	DO jn = jp_pcs0, jp_pcs1
[7753]	136	tra(:,:,:,jn) = 0._wp
[5385]	137	END DO
[3443]	138	!
[5385]	139	IF( ln_top_euler ) THEN
	140	DO jn = jp_pcs0, jp_pcs1
[7753]	141	trn(:,:,:,jn) = trb(:,:,:,jn)
[5385]	142	END DO
	143	ENDIF
[3443]	144	END DO
	145
	146	!
[5385]	147	IF( l_trdtrc ) THEN
	148	DO jn = jp_pcs0, jp_pcs1
	149	CALL trd_trc( tra(:,:,:,jn), jn, jptra_sms, kt ) ! save trends
	150	END DO
	151	END IF
[10345]	152	#endif
[5385]	153	!
[10345]	154	IF( ln_sediment ) THEN
[3443]	155	!
	156	CALL sed_model( kt ) ! Main program of Sediment model
	157	!
[10345]	158	IF( ln_top_euler ) THEN
	159	DO jn = jp_pcs0, jp_pcs1
	160	trn(:,:,:,jn) = trb(:,:,:,jn)
	161	END DO
	162	ENDIF
	163	!
[3443]	164	ENDIF
	165	!
	166	IF( lrst_trc ) CALL p4z_rst( kt, 'WRITE' ) !* Write PISCES informations in restart file
	167	!
[5385]	168
[9124]	169	IF( lk_iomput .OR. ln_check_mass ) CALL p4z_chk_mass( kt ) ! Mass conservation checking
[3481]	170
[9124]	171	IF( lwm .AND. kt == nittrc000 ) CALL FLUSH( numonp ) ! flush output namelist PISCES
[3443]	172	!
[9124]	173	IF( ln_timing ) CALL timing_stop('p4z_sms')
[3481]	174	!
[3443]	175	END SUBROUTINE p4z_sms
	176
[9124]	177
[3443]	178	SUBROUTINE p4z_sms_init
	179	!!----------------------------------------------------------------------
	180	!! * p4z_sms_init *
	181	!!
	182	!! ** Purpose : read PISCES namelist
	183	!!
	184	!! ** input : file 'namelist.trc.s' containing the following
	185	!! namelist: natext, natbio, natsms
	186	!!----------------------------------------------------------------------
[9124]	187	INTEGER :: ios ! Local integer output status for namelist read
	188	!!
[7646]	189	NAMELIST/nampisbio/ nrdttrc, wsbio, xkmort, ferat3, wsbio2, wsbio2max, wsbio2scale, &
[10377]	190	& wfep, ldocp, ldocz, lthet, &
[7646]	191	& no3rat3, po4rat3
[9124]	192	!
[4148]	193	NAMELIST/nampisdmp/ ln_pisdmp, nn_pisdmp
[3531]	194	NAMELIST/nampismass/ ln_check_mass
	195	!!----------------------------------------------------------------------
[9169]	196	!
	197	IF(lwp) THEN
	198	WRITE(numout,*)
	199	WRITE(numout,*) 'p4z_sms_init : PISCES initialization'
	200	WRITE(numout,*) '~~~~~~~~~~~~'
	201	ENDIF
[3443]	202
[4147]	203	REWIND( numnatp_ref ) ! Namelist nampisbio in reference namelist : Pisces variables
	204	READ ( numnatp_ref, nampisbio, IOSTAT = ios, ERR = 901)
[9169]	205	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisbio in reference namelist', lwp )
[4147]	206	REWIND( numnatp_cfg ) ! Namelist nampisbio in configuration namelist : Pisces variables
	207	READ ( numnatp_cfg, nampisbio, IOSTAT = ios, ERR = 902 )
[9169]	208	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisbio in configuration namelist', lwp )
	209	IF(lwm) WRITE( numonp, nampisbio )
	210	!
[3443]	211	IF(lwp) THEN ! control print
[9169]	212	WRITE(numout,*) ' Namelist : nampisbio'
	213	WRITE(numout,*) ' frequency for the biology nrdttrc =', nrdttrc
	214	WRITE(numout,*) ' POC sinking speed wsbio =', wsbio
	215	WRITE(numout,*) ' half saturation constant for mortality xkmort =', xkmort
[7646]	216	IF( ln_p5z ) THEN
[9169]	217	WRITE(numout,*) ' N/C in zooplankton no3rat3 =', no3rat3
	218	WRITE(numout,*) ' P/C in zooplankton po4rat3 =', po4rat3
[7646]	219	ENDIF
[9169]	220	WRITE(numout,*) ' Fe/C in zooplankton ferat3 =', ferat3
	221	WRITE(numout,*) ' Big particles sinking speed wsbio2 =', wsbio2
	222	WRITE(numout,*) ' Big particles maximum sinking speed wsbio2max =', wsbio2max
	223	WRITE(numout,*) ' Big particles sinking speed length scale wsbio2scale =', wsbio2scale
[7646]	224	IF( ln_ligand ) THEN
[9169]	225	WRITE(numout,*) ' FeP sinking speed wfep =', wfep
[7646]	226	IF( ln_p4z ) THEN
[9169]	227	WRITE(numout,*) ' Phyto ligand production per unit doc ldocp =', ldocp
	228	WRITE(numout,*) ' Zoo ligand production per unit doc ldocz =', ldocz
	229	WRITE(numout,*) ' Proportional loss of ligands due to Fe uptake lthet =', lthet
[7646]	230	ENDIF
	231	ENDIF
[3443]	232	ENDIF
	233
	234
[4147]	235	REWIND( numnatp_ref ) ! Namelist nampisdmp in reference namelist : Pisces damping
	236	READ ( numnatp_ref, nampisdmp, IOSTAT = ios, ERR = 905)
[9169]	237	905 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampisdmp in reference namelist', lwp )
[4147]	238	REWIND( numnatp_cfg ) ! Namelist nampisdmp in configuration namelist : Pisces damping
	239	READ ( numnatp_cfg, nampisdmp, IOSTAT = ios, ERR = 906 )
[9169]	240	906 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampisdmp in configuration namelist', lwp )
	241	IF(lwm) WRITE( numonp, nampisdmp )
	242	!
[3443]	243	IF(lwp) THEN ! control print
	244	WRITE(numout,*)
[9169]	245	WRITE(numout,*) ' Namelist : nampisdmp --- relaxation to GLODAP'
	246	WRITE(numout,*) ' Relaxation of tracer to glodap mean value ln_pisdmp =', ln_pisdmp
	247	WRITE(numout,*) ' Frequency of Relaxation nn_pisdmp =', nn_pisdmp
[3443]	248	ENDIF
	249
[4147]	250	REWIND( numnatp_ref ) ! Namelist nampismass in reference namelist : Pisces mass conservation check
	251	READ ( numnatp_ref, nampismass, IOSTAT = ios, ERR = 907)
[9169]	252	907 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampismass in reference namelist', lwp )
[4147]	253	REWIND( numnatp_cfg ) ! Namelist nampismass in configuration namelist : Pisces mass conservation check
	254	READ ( numnatp_cfg, nampismass, IOSTAT = ios, ERR = 908 )
[9169]	255	908 IF( ios > 0 ) CALL ctl_nam ( ios , 'nampismass in configuration namelist', lwp )
	256	IF(lwm) WRITE( numonp, nampismass )
[4147]	257
[3531]	258	IF(lwp) THEN ! control print
[9169]	259	WRITE(numout,*)
	260	WRITE(numout,*) ' Namelist : nampismass --- mass conservation checking'
	261	WRITE(numout,*) ' Flag to check mass conservation of NO3/Si/TALK ln_check_mass = ', ln_check_mass
[3531]	262	ENDIF
[9124]	263	!
[3443]	264	END SUBROUTINE p4z_sms_init
	265
[9124]	266
[3443]	267	SUBROUTINE p4z_rst( kt, cdrw )
	268	!!---------------------------------------------------------------------
	269	!! * ROUTINE p4z_rst *
	270	!!
	271	!! ** Purpose : Read or write variables in restart file:
	272	!!
	273	!! WRITE(READ) mode:
	274	!! kt : number of time step since the begining of the experiment at the
	275	!! end of the current(previous) run
	276	!!---------------------------------------------------------------------
	277	INTEGER , INTENT(in) :: kt ! ocean time-step
	278	CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag
[9124]	279	!!---------------------------------------------------------------------
[3443]	280	!
	281	IF( TRIM(cdrw) == 'READ' ) THEN
	282	!
	283	IF(lwp) WRITE(numout,*)
	284	IF(lwp) WRITE(numout,*) ' p4z_rst : Read specific variables from pisces model '
	285	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~'
	286	!
	287	IF( iom_varid( numrtr, 'PH', ldstop = .FALSE. ) > 0 ) THEN
	288	CALL iom_get( numrtr, jpdom_autoglo, 'PH' , hi(:,:,:) )
	289	ELSE
[9751]	290	CALL p4z_che ! initialize the chemical constants
[7646]	291	CALL ahini_for_at(hi)
[3443]	292	ENDIF
	293	CALL iom_get( numrtr, jpdom_autoglo, 'Silicalim', xksi(:,:) )
	294	IF( iom_varid( numrtr, 'Silicamax', ldstop = .FALSE. ) > 0 ) THEN
	295	CALL iom_get( numrtr, jpdom_autoglo, 'Silicamax' , xksimax(:,:) )
	296	ELSE
	297	xksimax(:,:) = xksi(:,:)
	298	ENDIF
	299	!
[4996]	300	IF( iom_varid( numrtr, 'tcflxcum', ldstop = .FALSE. ) > 0 ) THEN ! cumulative total flux of carbon
	301	CALL iom_get( numrtr, 'tcflxcum' , t_oce_co2_flx_cum )
	302	ELSE
	303	t_oce_co2_flx_cum = 0._wp
	304	ENDIF
	305	!
[7646]	306	IF( ln_p5z ) THEN
	307	IF( iom_varid( numrtr, 'sized', ldstop = .FALSE. ) > 0 ) THEN
[9909]	308	CALL iom_get( numrtr, jpdom_autoglo, 'sizep' , sizep(:,:,:) )
	309	CALL iom_get( numrtr, jpdom_autoglo, 'sizen' , sizen(:,:,:) )
[7646]	310	CALL iom_get( numrtr, jpdom_autoglo, 'sized' , sized(:,:,:) )
	311	ELSE
	312	sizep(:,:,:) = 1.
	313	sizen(:,:,:) = 1.
	314	sized(:,:,:) = 1.
	315	ENDIF
	316	ENDIF
	317	!
[3443]	318	ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN
	319	IF( kt == nitrst ) THEN
	320	IF(lwp) WRITE(numout,*)
	321	IF(lwp) WRITE(numout,*) 'p4z_rst : write pisces restart file kt =', kt
	322	IF(lwp) WRITE(numout,*) '~~~~~~~'
	323	ENDIF
	324	CALL iom_rstput( kt, nitrst, numrtw, 'PH', hi(:,:,:) )
	325	CALL iom_rstput( kt, nitrst, numrtw, 'Silicalim', xksi(:,:) )
	326	CALL iom_rstput( kt, nitrst, numrtw, 'Silicamax', xksimax(:,:) )
[4996]	327	CALL iom_rstput( kt, nitrst, numrtw, 'tcflxcum', t_oce_co2_flx_cum )
[7646]	328	IF( ln_p5z ) THEN
[9909]	329	CALL iom_rstput( kt, nitrst, numrtw, 'sizep', sizep(:,:,:) )
	330	CALL iom_rstput( kt, nitrst, numrtw, 'sizen', sizen(:,:,:) )
[7646]	331	CALL iom_rstput( kt, nitrst, numrtw, 'sized', sized(:,:,:) )
	332	ENDIF
[3443]	333	ENDIF
	334	!
	335	END SUBROUTINE p4z_rst
	336
[9124]	337
[3443]	338	SUBROUTINE p4z_dmp( kt )
	339	!!----------------------------------------------------------------------
	340	!! * p4z_dmp *
	341	!!
	342	!! ** purpose : Relaxation of some tracers
	343	!!----------------------------------------------------------------------
	344	!
	345	INTEGER, INTENT( in ) :: kt ! time step
	346	!
	347	REAL(wp) :: alkmean = 2426. ! mean value of alkalinity ( Glodap ; for Goyet 2391. )
	348	REAL(wp) :: po4mean = 2.165 ! mean value of phosphates
	349	REAL(wp) :: no3mean = 30.90 ! mean value of nitrate
	350	REAL(wp) :: silmean = 91.51 ! mean value of silicate
	351	!
[5385]	352	REAL(wp) :: zarea, zalksumn, zpo4sumn, zno3sumn, zsilsumn
	353	REAL(wp) :: zalksumb, zpo4sumb, zno3sumb, zsilsumb
[3443]	354	!!---------------------------------------------------------------------
	355
	356	IF(lwp) WRITE(numout,*)
[3557]	357	IF(lwp) WRITE(numout,*) ' p4z_dmp : Restoring of nutrients at time-step kt = ', kt
[3443]	358	IF(lwp) WRITE(numout,*)
	359
[10345]	360	IF( cn_cfg == "ORCA" .OR. cn_cfg == "orca") THEN
	361	IF( .NOT. lk_c1d ) THEN ! ORCA configuration (not 1D) !
	362	! ! --------------------------- !
	363	! set total alkalinity, phosphate, nitrate & silicate
	364	zarea = 1._wp / glob_sum( 'p4zsms', cvol(:,:,:) ) * 1e6
[3443]	365
[10345]	366	zalksumn = glob_sum( 'p4zsms', trn(:,:,:,jptal) * cvol(:,:,:) ) * zarea
	367	zpo4sumn = glob_sum( 'p4zsms', trn(:,:,:,jppo4) * cvol(:,:,:) ) * zarea * po4r
	368	zno3sumn = glob_sum( 'p4zsms', trn(:,:,:,jpno3) * cvol(:,:,:) ) * zarea * rno3
	369	zsilsumn = glob_sum( 'p4zsms', trn(:,:,:,jpsil) * cvol(:,:,:) ) * zarea
[7753]	370
[10345]	371	IF(lwp) WRITE(numout,*) ' TALKN mean : ', zalksumn
	372	trn(:,:,:,jptal) = trn(:,:,:,jptal) * alkmean / zalksumn
[3443]	373
[10345]	374	IF(lwp) WRITE(numout,*) ' PO4N mean : ', zpo4sumn
	375	trn(:,:,:,jppo4) = trn(:,:,:,jppo4) * po4mean / zpo4sumn
[3443]	376
[10345]	377	IF(lwp) WRITE(numout,*) ' NO3N mean : ', zno3sumn
	378	trn(:,:,:,jpno3) = trn(:,:,:,jpno3) * no3mean / zno3sumn
[3443]	379
[10345]	380	IF(lwp) WRITE(numout,*) ' SiO3N mean : ', zsilsumn
	381	trn(:,:,:,jpsil) = MIN( 400.e-6,trn(:,:,:,jpsil) * silmean / zsilsumn )
	382	!
	383	!
	384	IF( .NOT. ln_top_euler ) THEN
	385	zalksumb = glob_sum( 'p4zsms', trb(:,:,:,jptal) * cvol(:,:,:) ) * zarea
	386	zpo4sumb = glob_sum( 'p4zsms', trb(:,:,:,jppo4) * cvol(:,:,:) ) * zarea * po4r
	387	zno3sumb = glob_sum( 'p4zsms', trb(:,:,:,jpno3) * cvol(:,:,:) ) * zarea * rno3
	388	zsilsumb = glob_sum( 'p4zsms', trb(:,:,:,jpsil) * cvol(:,:,:) ) * zarea
[7753]	389
[10345]	390	IF(lwp) WRITE(numout,*) ' '
	391	IF(lwp) WRITE(numout,*) ' TALKB mean : ', zalksumb
	392	trb(:,:,:,jptal) = trb(:,:,:,jptal) * alkmean / zalksumb
[5385]	393
[10345]	394	IF(lwp) WRITE(numout,*) ' PO4B mean : ', zpo4sumb
	395	trb(:,:,:,jppo4) = trb(:,:,:,jppo4) * po4mean / zpo4sumb
[5385]	396
[10345]	397	IF(lwp) WRITE(numout,*) ' NO3B mean : ', zno3sumb
	398	trb(:,:,:,jpno3) = trb(:,:,:,jpno3) * no3mean / zno3sumb
[5385]	399
[10345]	400	IF(lwp) WRITE(numout,*) ' SiO3B mean : ', zsilsumb
	401	trb(:,:,:,jpsil) = MIN( 400.e-6,trb(:,:,:,jpsil) * silmean / zsilsumb )
	402	ENDIF
[5385]	403	ENDIF
	404	!
[3443]	405	ENDIF
[5385]	406	!
[3443]	407	END SUBROUTINE p4z_dmp
	408
	409
	410	SUBROUTINE p4z_chk_mass( kt )
	411	!!----------------------------------------------------------------------
	412	!! * ROUTINE p4z_chk_mass *
	413	!!
	414	!! ** Purpose : Mass conservation check
	415	!!
	416	!!---------------------------------------------------------------------
[5547]	417	INTEGER, INTENT( in ) :: kt ! ocean time-step index
	418	REAL(wp) :: zrdenittot, zsdenittot, znitrpottot
[5385]	419	CHARACTER(LEN=100) :: cltxt
	420	INTEGER :: jk
[9125]	421	REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwork
[5385]	422	!!----------------------------------------------------------------------
	423	!
[3443]	424	IF( kt == nittrc000 ) THEN
[8533]	425	xfact1 = rfact2r * 12. / 1.e15 * ryyss ! conversion molC/kt --> PgC/yr
	426	xfact2 = 1.e+3 * rno3 * 14. / 1.e12 * ryyss ! conversion molC/l/s ----> TgN/m3/yr
	427	xfact3 = 1.e+3 * rfact2r * rno3 ! conversion molC/l/kt ----> molN/m3/s
[3451]	428	IF( ln_check_mass .AND. lwp) THEN ! Open budget file of NO3, ALK, Si, Fer
[3496]	429	CALL ctl_opn( numco2, 'carbon.budget' , 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea )
	430	CALL ctl_opn( numnut, 'nutrient.budget', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea )
[5385]	431	CALL ctl_opn( numnit, 'nitrogen.budget', 'REPLACE', 'FORMATTED', 'SEQUENTIAL', -1, 6, .FALSE., narea )
	432	cltxt='time-step Alkalinity Nitrate Phosphorus Silicate Iron'
	433	IF( lwp ) WRITE(numnut,*) TRIM(cltxt)
	434	IF( lwp ) WRITE(numnut,*)
[3443]	435	ENDIF
	436	ENDIF
	437
[4996]	438	IF( iom_use( "pno3tot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
	439	! Compute the budget of NO3, ALK, Si, Fer
[7646]	440	IF( ln_p4z ) THEN
	441	zwork(:,:,:) = trn(:,:,:,jpno3) + trn(:,:,:,jpnh4) &
	442	& + trn(:,:,:,jpphy) + trn(:,:,:,jpdia) &
	443	& + trn(:,:,:,jppoc) + trn(:,:,:,jpgoc) + trn(:,:,:,jpdoc) &
	444	& + trn(:,:,:,jpzoo) + trn(:,:,:,jpmes)
	445	ELSE
	446	zwork(:,:,:) = trn(:,:,:,jpno3) + trn(:,:,:,jpnh4) + trn(:,:,:,jpnph) &
	447	& + trn(:,:,:,jpndi) + trn(:,:,:,jpnpi) &
	448	& + trn(:,:,:,jppon) + trn(:,:,:,jpgon) + trn(:,:,:,jpdon) &
	449	& + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * no3rat3
	450	ENDIF
	451	!
[10314]	452	no3budget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) )
[7646]	453	no3budget = no3budget / areatot
	454	CALL iom_put( "pno3tot", no3budget )
[4996]	455	ENDIF
	456	!
[5385]	457	IF( iom_use( "ppo4tot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[7646]	458	IF( ln_p4z ) THEN
	459	zwork(:,:,:) = trn(:,:,:,jppo4) &
	460	& + trn(:,:,:,jpphy) + trn(:,:,:,jpdia) &
	461	& + trn(:,:,:,jppoc) + trn(:,:,:,jpgoc) + trn(:,:,:,jpdoc) &
	462	& + trn(:,:,:,jpzoo) + trn(:,:,:,jpmes)
	463	ELSE
	464	zwork(:,:,:) = trn(:,:,:,jppo4) + trn(:,:,:,jppph) &
	465	& + trn(:,:,:,jppdi) + trn(:,:,:,jpppi) &
	466	& + trn(:,:,:,jppop) + trn(:,:,:,jpgop) + trn(:,:,:,jpdop) &
	467	& + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * po4rat3
	468	ENDIF
	469	!
[10314]	470	po4budget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) )
[7646]	471	po4budget = po4budget / areatot
	472	CALL iom_put( "ppo4tot", po4budget )
[5385]	473	ENDIF
	474	!
	475	IF( iom_use( "psiltot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[7646]	476	zwork(:,:,:) = trn(:,:,:,jpsil) + trn(:,:,:,jpgsi) + trn(:,:,:,jpdsi)
[4996]	477	!
[10314]	478	silbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) )
[4996]	479	silbudget = silbudget / areatot
	480	CALL iom_put( "psiltot", silbudget )
	481	ENDIF
	482	!
[5385]	483	IF( iom_use( "palktot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[7646]	484	zwork(:,:,:) = trn(:,:,:,jpno3) * rno3 + trn(:,:,:,jptal) + trn(:,:,:,jpcal) * 2.
[4996]	485	!
[10314]	486	alkbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) ) !
[4996]	487	alkbudget = alkbudget / areatot
	488	CALL iom_put( "palktot", alkbudget )
	489	ENDIF
	490	!
[5385]	491	IF( iom_use( "pfertot" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[7646]	492	zwork(:,:,:) = trn(:,:,:,jpfer) + trn(:,:,:,jpnfe) + trn(:,:,:,jpdfe) &
	493	& + trn(:,:,:,jpbfe) + trn(:,:,:,jpsfe) &
	494	& + ( trn(:,:,:,jpzoo) + trn(:,:,:,jpmes) ) * ferat3
	495	IF( ln_ligand) zwork(:,:,:) = zwork(:,:,:) + trn(:,:,:,jpfep)
[3496]	496	!
[10314]	497	ferbudget = glob_sum( 'p4zsms', zwork(:,:,:) * cvol(:,:,:) )
[3496]	498	ferbudget = ferbudget / areatot
[4996]	499	CALL iom_put( "pfertot", ferbudget )
[3496]	500	ENDIF
[4996]	501	!
[5385]	502	! Global budget of N SMS : denitrification in the water column and in the sediment
	503	! nitrogen fixation by the diazotrophs
	504	! --------------------------------------------------------------------------------
	505	IF( iom_use( "tnfix" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[10314]	506	znitrpottot = glob_sum ( 'p4zsms', nitrpot(:,:,:) * nitrfix * cvol(:,:,:) )
[8533]	507	CALL iom_put( "tnfix" , znitrpottot * xfact3 ) ! Global nitrogen fixation molC/l to molN/m3
[5385]	508	ENDIF
	509	!
	510	IF( iom_use( "tdenit" ) .OR. ( ln_check_mass .AND. kt == nitend ) ) THEN
[10314]	511	zrdenittot = glob_sum ( 'p4zsms', denitr(:,:,:) * rdenit * xnegtr(:,:,:) * cvol(:,:,:) )
	512	zsdenittot = glob_sum ( 'p4zsms', sdenit(:,:) * e1e2t(:,:) * tmask(:,:,1) )
[8533]	513	CALL iom_put( "tdenit" , ( zrdenittot + zsdenittot ) * xfact3 ) ! Total denitrification molC/l to molN/m3
[5385]	514	ENDIF
	515	!
[4996]	516	IF( ln_check_mass .AND. kt == nitend ) THEN ! Compute the budget of NO3, ALK, Si, Fer
[10314]	517	t_atm_co2_flx = t_atm_co2_flx / glob_sum( 'p4zsms', e1e2t(:,:) )
[5385]	518	t_oce_co2_flx = t_oce_co2_flx * xfact1 * (-1 )
	519	tpp = tpp * 1000. * xfact1
	520	t_oce_co2_exp = t_oce_co2_exp * 1000. * xfact1
[4996]	521	IF( lwp ) WRITE(numco2,9000) ndastp, t_atm_co2_flx, t_oce_co2_flx, tpp, t_oce_co2_exp
[5385]	522	IF( lwp ) WRITE(numnut,9100) ndastp, alkbudget * 1.e+06, &
[4996]	523	& no3budget * rno3 * 1.e+06, &
[5385]	524	& po4budget * po4r * 1.e+06, &
[4996]	525	& silbudget * 1.e+06, &
	526	& ferbudget * 1.e+09
[5385]	527	!
	528	IF( lwp ) WRITE(numnit,9200) ndastp, znitrpottot * xfact2 , &
[9124]	529	& zrdenittot * xfact2 , &
	530	& zsdenittot * xfact2
[4996]	531	ENDIF
	532	!
[3496]	533	9000 FORMAT(i8,f10.5,e18.10,f10.5,f10.5)
[5385]	534	9100 FORMAT(i8,5e18.10)
	535	9200 FORMAT(i8,3f10.5)
[3443]	536	!
	537	END SUBROUTINE p4z_chk_mass
	538
	539	!!======================================================================
	540	END MODULE p4zsms

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