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p4zsbc.F90 in trunk/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z – NEMO

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source: trunk/NEMOGCM/NEMO/TOP_SRC/PISCES/P4Z/p4zsbc.F90 @ 5385

Last change on this file since 5385 was 5385, checked in by cetlod, 9 years ago
merge 2015/dev_r5204_CNRS_PISCES_dcy branch into the trunk, see ticket #1532
Property svn:keywords set to `Id`
File size: 25.5 KB

Line
1	MODULE p4zsbc
2	!!======================================================================
3	!! * MODULE p4sbc *
4	!! TOP : PISCES surface boundary conditions of external inputs of nutrients
5	!!======================================================================
6	!! History : 3.5 ! 2012-07 (O. Aumont, C. Ethe) Original code
7	!!----------------------------------------------------------------------
8	#if defined key_pisces
9	!!----------------------------------------------------------------------
10	!! 'key_pisces' PISCES bio-model
11	!!----------------------------------------------------------------------
12	!! p4z_sbc : Read and interpolate time-varying nutrients fluxes
13	!! p4z_sbc_init : Initialization of p4z_sbc
14	!!----------------------------------------------------------------------
15	USE oce_trc ! shared variables between ocean and passive tracers
16	USE trc ! passive tracers common variables
17	USE sms_pisces ! PISCES Source Minus Sink variables
18	USE iom ! I/O manager
19	USE fldread ! time interpolation
20
21	IMPLICIT NONE
22	PRIVATE
23
24	PUBLIC p4z_sbc
25	PUBLIC p4z_sbc_init
26
27	!! * Shared module variables
28	LOGICAL , PUBLIC :: ln_dust !: boolean for dust input from the atmosphere
29	LOGICAL , PUBLIC :: ln_solub !: boolean for variable solubility of atmospheric iron
30	LOGICAL , PUBLIC :: ln_river !: boolean for river input of nutrients
31	LOGICAL , PUBLIC :: ln_ndepo !: boolean for atmospheric deposition of N
32	LOGICAL , PUBLIC :: ln_ironsed !: boolean for Fe input from sediments
33	LOGICAL , PUBLIC :: ln_hydrofe !: boolean for Fe input from hydrothermal vents
34	LOGICAL , PUBLIC :: ln_ironice !: boolean for Fe input from sea ice
35	REAL(wp), PUBLIC :: sedfeinput !: Coastal release of Iron
36	REAL(wp), PUBLIC :: dustsolub !: Solubility of the dust
37	REAL(wp), PUBLIC :: mfrac !: Mineral Content of the dust
38	REAL(wp), PUBLIC :: icefeinput !: Iron concentration in sea ice
39	REAL(wp), PUBLIC :: wdust !: Sinking speed of the dust
40	REAL(wp), PUBLIC :: nitrfix !: Nitrogen fixation rate
41	REAL(wp), PUBLIC :: diazolight !: Nitrogen fixation sensitivty to light
42	REAL(wp), PUBLIC :: concfediaz !: Fe half-saturation Cste for diazotrophs
43	REAL(wp) :: hratio !: Fe:3He ratio assumed for vent iron supply
44
45	LOGICAL , PUBLIC :: ll_sbc
46
47	!! * Module variables
48	LOGICAL :: ll_solub
49
50	INTEGER , PARAMETER :: jpriv = 7 !: Maximum number of river input fields
51	INTEGER , PARAMETER :: jr_dic = 1 !: index of dissolved inorganic carbon
52	INTEGER , PARAMETER :: jr_doc = 2 !: index of dissolved organic carbon
53	INTEGER , PARAMETER :: jr_din = 3 !: index of dissolved inorganic nitrogen
54	INTEGER , PARAMETER :: jr_don = 4 !: index of dissolved organic nitrogen
55	INTEGER , PARAMETER :: jr_dip = 5 !: index of dissolved inorganic phosporus
56	INTEGER , PARAMETER :: jr_dop = 6 !: index of dissolved organic phosphorus
57	INTEGER , PARAMETER :: jr_dsi = 7 !: index of dissolved silicate
58
59
60	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_dust ! structure of input dust
61	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_solub ! structure of input dust
62	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_river ! structure of input riverdic
63	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ndepo ! structure of input nitrogen deposition
64	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_ironsed ! structure of input iron from sediment
65	TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_hydrofe ! structure of input iron from hydrothermal vents
66
67	INTEGER , PARAMETER :: nbtimes = 365 !: maximum number of times record in a file
68	INTEGER :: ntimes_dust, ntimes_riv, ntimes_ndep ! number of time steps in a file
69	INTEGER :: ntimes_solub, ntimes_hydro ! number of time steps in a file
70
71	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: dust, solub !: dust fields
72	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rivdic, rivalk !: river input fields
73	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rivdin, rivdip !: river input fields
74	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rivdsi !: river input fields
75	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: nitdep !: atmospheric N deposition
76	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ironsed !: Coastal supply of iron
77	REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: hydrofe !: Hydrothermal vent supply of iron
78
79	REAL(wp), PUBLIC :: sumdepsi, rivalkinput, rivdicinput, nitdepinput
80	REAL(wp), PUBLIC :: rivdininput, rivdipinput, rivdsiinput
81
82
83	!!* Substitution
84	# include "top_substitute.h90"
85	!!----------------------------------------------------------------------
86	!! NEMO/TOP 3.3 , NEMO Consortium (2010)
87	!! $Id$
88	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
89	!!----------------------------------------------------------------------
90
91	CONTAINS
92
93	SUBROUTINE p4z_sbc( kt )
94	!!----------------------------------------------------------------------
95	!! * routine p4z_sbc *
96	!!
97	!! ** purpose : read and interpolate the external sources of nutrients
98	!!
99	!! ** method : read the files and interpolate the appropriate variables
100	!!
101	!! ** input : external netcdf files
102	!!
103	!!----------------------------------------------------------------------
104	!! * arguments
105	INTEGER, INTENT( in ) :: kt ! ocean time step
106
107	!! * local declarations
108	INTEGER :: ji,jj
109	REAL(wp) :: zcoef, zyyss
110	!!---------------------------------------------------------------------
111	!
112	IF( nn_timing == 1 ) CALL timing_start('p4z_sbc')
113
114	!
115	! Compute dust at nit000 or only if there is more than 1 time record in dust file
116	IF( ln_dust ) THEN
117	IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_dust > 1 ) ) THEN
118	CALL fld_read( kt, 1, sf_dust )
119	dust(:,:) = sf_dust(1)%fnow(:,:,1)
120	ENDIF
121	ENDIF
122
123	IF( ll_solub ) THEN
124	IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_solub > 1 ) ) THEN
125	CALL fld_read( kt, 1, sf_solub )
126	solub(:,:) = sf_solub(1)%fnow(:,:,1)
127	ENDIF
128	ENDIF
129
130	! N/P and Si releases due to coastal rivers
131	! Compute river at nit000 or only if there is more than 1 time record in river file
132	! -----------------------------------------
133	IF( ln_river ) THEN
134	IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_riv > 1 ) ) THEN
135	CALL fld_read( kt, 1, sf_river )
136	DO jj = 1, jpj
137	DO ji = 1, jpi
138	zcoef = ryyss * e1e2t(ji,jj) * h_rnf(ji,jj)
139	rivalk(ji,jj) = sf_river(jr_dic)%fnow(ji,jj,1) &
140	& * 1.E3 / ( 12. * zcoef + rtrn )
141	rivdic(ji,jj) = ( sf_river(jr_dic)%fnow(ji,jj,1) + sf_river(jr_doc)%fnow(ji,jj,1) ) &
142	& * 1.E3 / ( 12. * zcoef + rtrn )
143	rivdin(ji,jj) = ( sf_river(jr_din)%fnow(ji,jj,1) + sf_river(jr_don)%fnow(ji,jj,1) ) &
144	& * 1.E3 / rno3 / ( 14. * zcoef + rtrn )
145	rivdip(ji,jj) = ( sf_river(jr_dip)%fnow(ji,jj,1) + sf_river(jr_dop)%fnow(ji,jj,1) ) &
146	& * 1.E3 / po4r / ( 31. * zcoef + rtrn )
147	rivdsi(ji,jj) = sf_river(jr_dsi)%fnow(ji,jj,1) &
148	& * 1.E3 / ( 28.1 * zcoef + rtrn )
149	END DO
150	END DO
151	ENDIF
152	ENDIF
153
154	! Compute N deposition at nit000 or only if there is more than 1 time record in N deposition file
155	IF( ln_ndepo ) THEN
156	IF( kt == nit000 .OR. ( kt /= nit000 .AND. ntimes_ndep > 1 ) ) THEN
157	CALL fld_read( kt, 1, sf_ndepo )
158	DO jj = 1, jpj
159	DO ji = 1, jpi
160	nitdep(ji,jj) = sf_ndepo(1)%fnow(ji,jj,1) / rno3 / ( 14E6 * ryyss * fse3t(ji,jj,1) + rtrn )
161	END DO
162	END DO
163	ENDIF
164	ENDIF
165	!
166	IF( nn_timing == 1 ) CALL timing_stop('p4z_sbc')
167	!
168	END SUBROUTINE p4z_sbc
169
170	SUBROUTINE p4z_sbc_init
171
172	!!----------------------------------------------------------------------
173	!! * routine p4z_sbc_init *
174	!!
175	!! ** purpose : initialization of the external sources of nutrients
176	!!
177	!! ** method : read the files and compute the budget
178	!! called at the first timestep (nittrc000)
179	!!
180	!! ** input : external netcdf files
181	!!
182	!!----------------------------------------------------------------------
183	!
184	INTEGER :: ji, jj, jk, jm, ifpr
185	INTEGER :: ii0, ii1, ij0, ij1
186	INTEGER :: numdust, numsolub, numriv, numiron, numdepo, numhydro
187	INTEGER :: ierr, ierr1, ierr2, ierr3
188	INTEGER :: ios ! Local integer output status for namelist read
189	INTEGER :: ik50 ! last level where depth less than 50 m
190	INTEGER :: isrow ! index for ORCA1 starting row
191	REAL(wp) :: zexpide, zdenitide, zmaskt
192	REAL(wp) :: ztimes_dust, ztimes_riv, ztimes_ndep
193	REAL(wp), DIMENSION(nbtimes) :: zsteps ! times records
194	REAL(wp), DIMENSION(:), ALLOCATABLE :: rivinput
195	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zdust, zndepo, zriver, zcmask
196	!
197	CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files
198	TYPE(FLD_N), DIMENSION(jpriv) :: slf_river ! array of namelist informations on the fields to read
199	TYPE(FLD_N) :: sn_dust, sn_solub, sn_ndepo, sn_ironsed, sn_hydrofe ! informations about the fields to be read
200	TYPE(FLD_N) :: sn_riverdoc, sn_riverdic, sn_riverdsi ! informations about the fields to be read
201	TYPE(FLD_N) :: sn_riverdin, sn_riverdon, sn_riverdip, sn_riverdop
202	!
203	NAMELIST/nampissbc/cn_dir, sn_dust, sn_solub, sn_riverdic, sn_riverdoc, sn_riverdin, sn_riverdon, &
204	& sn_riverdip, sn_riverdop, sn_riverdsi, sn_ndepo, sn_ironsed, sn_hydrofe, &
205	& ln_dust, ln_solub, ln_river, ln_ndepo, ln_ironsed, ln_ironice, ln_hydrofe, &
206	& sedfeinput, dustsolub, icefeinput, wdust, mfrac, nitrfix, diazolight, concfediaz, hratio
207	!!----------------------------------------------------------------------
208	!
209	IF( nn_timing == 1 ) CALL timing_start('p4z_sbc_init')
210	!
211	! !* set file information
212	REWIND( numnatp_ref ) ! Namelist nampissbc in reference namelist : Pisces external sources of nutrients
213	READ ( numnatp_ref, nampissbc, IOSTAT = ios, ERR = 901)
214	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampissbc in reference namelist', lwp )
215
216	REWIND( numnatp_cfg ) ! Namelist nampissbc in configuration namelist : Pisces external sources of nutrients
217	READ ( numnatp_cfg, nampissbc, IOSTAT = ios, ERR = 902 )
218	902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampissbc in configuration namelist', lwp )
219	IF(lwm) WRITE ( numonp, nampissbc )
220
221	IF ( ( nn_ice_tr >= 0 ) .AND. ln_ironice ) THEN
222	WRITE(numout,*) ' ln_ironice incompatible with nn_ice_tr = ', nn_ice_tr
223	WRITE(numout,*) ' Specify your sea ice iron concentration in nampisice instead '
224	WRITE(numout,*) ' ln_ironice is forced to .FALSE. '
225	ln_ironice = .FALSE.
226	ENDIF
227
228	IF(lwp) THEN
229	WRITE(numout,*) ' '
230	WRITE(numout,*) ' namelist : nampissbc '
231	WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~ '
232	WRITE(numout,*) ' dust input from the atmosphere ln_dust = ', ln_dust
233	WRITE(numout,*) ' Variable solubility of iron input ln_solub = ', ln_solub
234	WRITE(numout,*) ' river input of nutrients ln_river = ', ln_river
235	WRITE(numout,*) ' atmospheric deposition of n ln_ndepo = ', ln_ndepo
236	WRITE(numout,*) ' Fe input from sediments ln_ironsed = ', ln_ironsed
237	WRITE(numout,*) ' Fe input from seaice ln_ironice = ', ln_ironice
238	WRITE(numout,*) ' fe input from hydrothermal vents ln_hydrofe = ', ln_hydrofe
239	WRITE(numout,*) ' coastal release of iron sedfeinput = ', sedfeinput
240	WRITE(numout,*) ' solubility of the dust dustsolub = ', dustsolub
241	WRITE(numout,*) ' Mineral Fe content of the dust mfrac = ', mfrac
242	WRITE(numout,*) ' Iron concentration in sea ice icefeinput = ', icefeinput
243	WRITE(numout,*) ' sinking speed of the dust wdust = ', wdust
244	WRITE(numout,*) ' nitrogen fixation rate nitrfix = ', nitrfix
245	WRITE(numout,*) ' nitrogen fixation sensitivty to light diazolight = ', diazolight
246	WRITE(numout,*) ' fe half-saturation cste for diazotrophs concfediaz = ', concfediaz
247	WRITE(numout,*) ' Fe to 3He ratio assumed for vent iron supply hratio = ', hratio
248	END IF
249
250	IF( ln_dust .OR. ln_river .OR. ln_ndepo ) THEN ; ll_sbc = .TRUE.
251	ELSE ; ll_sbc = .FALSE.
252	ENDIF
253
254	IF( ln_dust .AND. ln_solub ) THEN ; ll_solub = .TRUE.
255	ELSE ; ll_solub = .FALSE.
256	ENDIF
257
258	! set the number of level over which river runoffs are applied
259	! online configuration : computed in sbcrnf
260	IF( lk_offline ) THEN
261	nk_rnf(:,:) = 1
262	h_rnf (:,:) = fsdept(:,:,1)
263	ENDIF
264
265	! dust input from the atmosphere
266	! ------------------------------
267	IF( ln_dust ) THEN
268	!
269	IF(lwp) WRITE(numout,*) ' initialize dust input from atmosphere '
270	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ '
271	!
272	ALLOCATE( dust(jpi,jpj) ) ! allocation
273	!
274	ALLOCATE( sf_dust(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst
275	IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_dust structure' )
276	!
277	CALL fld_fill( sf_dust, (/ sn_dust /), cn_dir, 'p4z_sed_init', 'Atmospheric dust deposition', 'nampissed' )
278	ALLOCATE( sf_dust(1)%fnow(jpi,jpj,1) )
279	IF( sn_dust%ln_tint ) ALLOCATE( sf_dust(1)%fdta(jpi,jpj,1,2) )
280	!
281	IF( Agrif_Root() ) THEN ! Only on the master grid
282	! Get total input dust ; need to compute total atmospheric supply of Si in a year
283	CALL iom_open ( TRIM( sn_dust%clname ) , numdust )
284	CALL iom_gettime( numdust, zsteps, kntime=ntimes_dust) ! get number of record in file
285	ALLOCATE( zdust(jpi,jpj,ntimes_dust) )
286	DO jm = 1, ntimes_dust
287	CALL iom_get( numdust, jpdom_data, TRIM( sn_dust%clvar ), zdust(:,:,jm), jm )
288	END DO
289	CALL iom_close( numdust )
290	ztimes_dust = 1._wp / FLOAT( ntimes_dust )
291	sumdepsi = 0.e0
292	DO jm = 1, ntimes_dust
293	sumdepsi = sumdepsi + glob_sum( zdust(:,:,jm) * e1e2t(:,:) * tmask(:,:,1) * ztimes_dust )
294	ENDDO
295	sumdepsi = sumdepsi / ( nyear_len(1) * rday ) * 12. * 8.8 * 0.075 * mfrac / 28.1
296	DEALLOCATE( zdust)
297	ENDIF
298	ELSE
299	sumdepsi = 0._wp
300	END IF
301
302	! Solubility of dust deposition of iron
303	! Only if ln_dust and ln_solubility set to true (ll_solub = .true.)
304	! -----------------------------------------------------------------
305	IF( ll_solub ) THEN
306	!
307	IF(lwp) WRITE(numout,*) ' initialize variable solubility of Fe '
308	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ '
309	!
310	ALLOCATE( solub(jpi,jpj) ) ! allocation
311	!
312	ALLOCATE( sf_solub(1), STAT=ierr ) !* allocate and fill sf_sst (forcing structure) with sn_sst
313	IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_solub structure' )
314	!
315	CALL fld_fill( sf_solub, (/ sn_solub /), cn_dir, 'p4z_sed_init', 'Solubility of atm. iron ', 'nampissed' )
316	ALLOCATE( sf_solub(1)%fnow(jpi,jpj,1) )
317	IF( sn_solub%ln_tint ) ALLOCATE( sf_solub(1)%fdta(jpi,jpj,1,2) )
318	! get number of record in file
319	CALL iom_open ( TRIM( sn_solub%clname ) , numsolub )
320	CALL iom_gettime( numsolub, zsteps, kntime=ntimes_solub) ! get number of record in file
321	CALL iom_close( numsolub )
322	ENDIF
323
324	! nutrient input from rivers
325	! --------------------------
326	IF( ln_river ) THEN
327	!
328	slf_river(jr_dic) = sn_riverdic ; slf_river(jr_doc) = sn_riverdoc ; slf_river(jr_din) = sn_riverdin
329	slf_river(jr_don) = sn_riverdon ; slf_river(jr_dip) = sn_riverdip ; slf_river(jr_dop) = sn_riverdop
330	slf_river(jr_dsi) = sn_riverdsi
331	!
332	ALLOCATE( rivdic(jpi,jpj), rivalk(jpi,jpj), rivdin(jpi,jpj), rivdip(jpi,jpj), rivdsi(jpi,jpj) )
333	!
334	ALLOCATE( sf_river(jpriv), rivinput(jpriv), STAT=ierr1 ) !* allocate and fill sf_river (forcing structure) with sn_river_
335	rivinput(:) = 0.0
336
337	IF( ierr1 > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_irver structure' )
338	!
339	CALL fld_fill( sf_river, slf_river, cn_dir, 'p4z_sed_init', 'Input from river ', 'nampissed' )
340	DO ifpr = 1, jpriv
341	ALLOCATE( sf_river(ifpr)%fnow(jpi,jpj,1 ) )
342	IF( slf_river(ifpr)%ln_tint ) ALLOCATE( sf_river(ifpr)%fdta(jpi,jpj,1,2) )
343	END DO
344	IF( Agrif_Root() ) THEN ! Only on the master grid
345	! Get total input rivers ; need to compute total river supply in a year
346	DO ifpr = 1, jpriv
347	CALL iom_open ( TRIM( slf_river(ifpr)%clname ), numriv )
348	CALL iom_gettime( numriv, zsteps, kntime=ntimes_riv)
349	ALLOCATE( zriver(jpi,jpj,ntimes_riv) )
350	DO jm = 1, ntimes_riv
351	CALL iom_get( numriv, jpdom_data, TRIM( slf_river(ifpr)%clvar ), zriver(:,:,jm), jm )
352	END DO
353	CALL iom_close( numriv )
354	ztimes_riv = 1._wp / FLOAT(ntimes_riv)
355	DO jm = 1, ntimes_riv
356	rivinput(ifpr) = rivinput(ifpr) + glob_sum( zriver(:,:,jm) * tmask(:,:,1) * ztimes_riv )
357	END DO
358	DEALLOCATE( zriver)
359	END DO
360	! N/P and Si releases due to coastal rivers
361	! -----------------------------------------
362	rivdicinput = (rivinput(jr_dic) + rivinput(jr_doc) ) * 1E3 / 12._wp
363	rivdininput = (rivinput(jr_din) + rivinput(jr_don) ) * 1E3 / rno3 / 14._wp
364	rivdipinput = (rivinput(jr_dip) + rivinput(jr_dop) ) * 1E3 / po4r / 31._wp
365	rivdsiinput = rivinput(jr_dsi) * 1E3 / 28.1_wp
366	rivalkinput = rivinput(jr_dic) * 1E3 / 12._wp
367	!
368	ENDIF
369	ELSE
370	rivdicinput = 0._wp
371	rivdininput = 0._wp
372	rivdipinput = 0._wp
373	rivdsiinput = 0._wp
374	rivalkinput = 0._wp
375	END IF
376	! nutrient input from dust
377	! ------------------------
378	IF( ln_ndepo ) THEN
379	!
380	IF(lwp) WRITE(numout,*) ' initialize the nutrient input by dust from ndeposition.orca.nc'
381	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
382	!
383	ALLOCATE( nitdep(jpi,jpj) ) ! allocation
384	!
385	ALLOCATE( sf_ndepo(1), STAT=ierr3 ) !* allocate and fill sf_sst (forcing structure) with sn_sst
386	IF( ierr3 > 0 ) CALL ctl_stop( 'STOP', 'p4z_sed_init: unable to allocate sf_ndepo structure' )
387	!
388	CALL fld_fill( sf_ndepo, (/ sn_ndepo /), cn_dir, 'p4z_sed_init', 'Nutrient atmospheric depositon ', 'nampissed' )
389	ALLOCATE( sf_ndepo(1)%fnow(jpi,jpj,1) )
390	IF( sn_ndepo%ln_tint ) ALLOCATE( sf_ndepo(1)%fdta(jpi,jpj,1,2) )
391	!
392	IF( Agrif_Root() ) THEN ! Only on the master grid
393	! Get total input dust ; need to compute total atmospheric supply of N in a year
394	CALL iom_open ( TRIM( sn_ndepo%clname ), numdepo )
395	CALL iom_gettime( numdepo, zsteps, kntime=ntimes_ndep)
396	ALLOCATE( zndepo(jpi,jpj,ntimes_ndep) )
397	DO jm = 1, ntimes_ndep
398	CALL iom_get( numdepo, jpdom_data, TRIM( sn_ndepo%clvar ), zndepo(:,:,jm), jm )
399	END DO
400	CALL iom_close( numdepo )
401	ztimes_ndep = 1._wp / FLOAT( ntimes_ndep )
402	nitdepinput = 0._wp
403	DO jm = 1, ntimes_ndep
404	nitdepinput = nitdepinput + glob_sum( zndepo(:,:,jm) * e1e2t(:,:) * tmask(:,:,1) * ztimes_ndep )
405	ENDDO
406	nitdepinput = nitdepinput / rno3 / 14E6
407	DEALLOCATE( zndepo)
408	ENDIF
409	ELSE
410	nitdepinput = 0._wp
411	ENDIF
412
413	! coastal and island masks
414	! ------------------------
415	IF( ln_ironsed ) THEN
416	!
417	IF(lwp) WRITE(numout,*) ' computation of an island mask to enhance coastal supply of iron'
418	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
419	!
420	ALLOCATE( ironsed(jpi,jpj,jpk) ) ! allocation
421	!
422	CALL iom_open ( TRIM( sn_ironsed%clname ), numiron )
423	ALLOCATE( zcmask(jpi,jpj,jpk) )
424	CALL iom_get ( numiron, jpdom_data, TRIM( sn_ironsed%clvar ), zcmask(:,:,:), 1 )
425	CALL iom_close( numiron )
426	!
427	ik50 = 5 ! last level where depth less than 50 m
428	DO jk = jpkm1, 1, -1
429	IF( gdept_1d(jk) > 50. ) ik50 = jk - 1
430	END DO
431	IF (lwp) WRITE(numout,*)
432	IF (lwp) WRITE(numout,*) ' Level corresponding to 50m depth ', ik50,' ', gdept_1d(ik50+1)
433	IF (lwp) WRITE(numout,*)
434	DO jk = 1, ik50
435	DO jj = 2, jpjm1
436	DO ji = fs_2, fs_jpim1
437	IF( tmask(ji,jj,jk) /= 0. ) THEN
438	zmaskt = tmask(ji+1,jj,jk) * tmask(ji-1,jj,jk) * tmask(ji,jj+1,jk) &
439	& * tmask(ji,jj-1,jk) * tmask(ji,jj,jk+1)
440	IF( zmaskt == 0. ) zcmask(ji,jj,jk ) = MAX( 0.1, zcmask(ji,jj,jk) )
441	END IF
442	END DO
443	END DO
444	END DO
445	!
446	CALL lbc_lnk( zcmask , 'T', 1. ) ! lateral boundary conditions on cmask (sign unchanged)
447	!
448	DO jk = 1, jpk
449	DO jj = 1, jpj
450	DO ji = 1, jpi
451	zexpide = MIN( 8.,( fsdept(ji,jj,jk) / 500. )**(-1.5) )
452	zdenitide = -0.9543 + 0.7662 * LOG( zexpide ) - 0.235 * LOG( zexpide )**2
453	zcmask(ji,jj,jk) = zcmask(ji,jj,jk) * MIN( 1., EXP( zdenitide ) / 0.5 )
454	END DO
455	END DO
456	END DO
457	! Coastal supply of iron
458	! -------------------------
459	ironsed(:,:,jpk) = 0._wp
460	DO jk = 1, jpkm1
461	ironsed(:,:,jk) = sedfeinput * zcmask(:,:,jk) / ( fse3t(:,:,jk) * rday )
462	END DO
463	DEALLOCATE( zcmask)
464	ENDIF
465	!
466	! Iron from Hydrothermal vents
467	! ------------------------
468	IF( ln_hydrofe ) THEN
469	!
470	IF(lwp) WRITE(numout,*) ' Input of iron from hydrothermal vents '
471	IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
472	!
473	ALLOCATE( hydrofe(jpi,jpj,jpk) ) ! allocation
474	!
475	CALL iom_open ( TRIM( sn_hydrofe%clname ), numhydro )
476	CALL iom_get ( numhydro, jpdom_data, TRIM( sn_hydrofe%clvar ), hydrofe(:,:,:), 1 )
477	CALL iom_close( numhydro )
478	!
479	hydrofe(:,:,:) = ( hydrofe(:,:,:) * hratio ) / ( cvol(:,:,:) * ryyss + rtrn ) / 1000._wp
480	!
481	ENDIF
482	!
483	IF( ll_sbc ) CALL p4z_sbc( nit000 )
484	!
485	IF(lwp) THEN
486	WRITE(numout,*)
487	WRITE(numout,*) ' Total input of elements from river supply'
488	WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
489	WRITE(numout,) ' N Supply : ', rivdininputrno31E3/1E1214.,' TgN/yr'
490	WRITE(numout,) ' Si Supply : ', rivdsiinput1E3/1E12*28.1,' TgSi/yr'
491	WRITE(numout,) ' P Supply : ', rivdipinput1E3po4r/1E1231.,' TgP/yr'
492	WRITE(numout,) ' Alk Supply : ', rivalkinput1E3/1E12,' Teq/yr'
493	WRITE(numout,) ' DIC Supply : ', rivdicinput1E3*12./1E12,'TgC/yr'
494	WRITE(numout,*)
495	WRITE(numout,*) ' Total input of elements from atmospheric supply'
496	WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~'
497	WRITE(numout,) ' N Supply : ', nitdepinputrno31E3/1E1214.,' TgN/yr'
498	WRITE(numout,*)
499	ENDIF
500	!
501	IF( nn_timing == 1 ) CALL timing_stop('p4z_sbc_init')
502	!
503	END SUBROUTINE p4z_sbc_init
504
505	#else
506	!!======================================================================
507	!! Dummy module : No PISCES bio-model
508	!!======================================================================
509	CONTAINS
510	SUBROUTINE p4z_sbc ! Empty routine
511	END SUBROUTINE p4z_sbc
512	#endif
513
514	!!======================================================================
515	END MODULE p4zsbc

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