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diahsb.F90

Last change on this file was 10986, checked in by andmirek, 5 years ago
GMED 462 add flush
File size: 22.4 KB

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1	MODULE diahsb
2	!!======================================================================
3	!! * MODULE diahsb *
4	!! Ocean diagnostics: Heat, salt and volume budgets
5	!!======================================================================
6	!! History : 3.3 ! 2010-09 (M. Leclair) Original code
7	!! ! 2012-10 (C. Rousset) add iom_put
8	!!----------------------------------------------------------------------
9
10	!!----------------------------------------------------------------------
11	!! dia_hsb : Diagnose the conservation of ocean heat and salt contents, and volume
12	!! dia_hsb_rst : Read or write DIA file in restart file
13	!! dia_hsb_init : Initialization of the conservation diagnostic
14	!!----------------------------------------------------------------------
15	USE oce ! ocean dynamics and tracers
16	USE dom_oce ! ocean space and time domain
17	USE phycst ! physical constants
18	USE sbc_oce ! surface thermohaline fluxes
19	USE sbcrnf ! river runoff
20	USE sbcisf ! ice shelves
21	USE domvvl ! vertical scale factors
22	USE traqsr ! penetrative solar radiation
23	USE trabbc ! bottom boundary condition
24	USE trabbc ! bottom boundary condition
25	USE restart ! ocean restart
26	USE bdy_oce , ONLY : ln_bdy
27	!
28	USE iom ! I/O manager
29	USE in_out_manager ! I/O manager
30	USE lib_fortran ! glob_sum
31	USE lib_mpp ! distributed memory computing library
32	USE timing ! preformance summary
33
34	IMPLICIT NONE
35	PRIVATE
36
37	PUBLIC dia_hsb ! routine called by step.F90
38	PUBLIC dia_hsb_init ! routine called by nemogcm.F90
39
40	LOGICAL, PUBLIC :: ln_diahsb !: check the heat and salt budgets
41
42	REAL(wp) :: surf_tot ! ocean surface
43	REAL(wp) :: frc_t, frc_s, frc_v ! global forcing trends
44	REAL(wp) :: frc_wn_t, frc_wn_s ! global forcing trends
45	!
46	REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: surf
47	REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: surf_ini , ssh_ini !
48	REAL(wp), DIMENSION(:,:) , ALLOCATABLE :: ssh_hc_loc_ini, ssh_sc_loc_ini !
49	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: hc_loc_ini, sc_loc_ini, e3t_ini !
50
51	!! * Substitutions
52	# include "vectopt_loop_substitute.h90"
53	!!----------------------------------------------------------------------
54	!! NEMO/OCE 4.0 , NEMO Consortium (2018)
55	!! $Id$
56	!! Software governed by the CeCILL license (see ./LICENSE)
57	!!----------------------------------------------------------------------
58	CONTAINS
59
60	SUBROUTINE dia_hsb( kt )
61	!!---------------------------------------------------------------------------
62	!! * ROUTINE dia_hsb *
63	!!
64	!! ** Purpose: Compute the ocean global heat content, salt content and volume conservation
65	!!
66	!! ** Method : - Compute the deviation of heat content, salt content and volume
67	!! at the current time step from their values at nit000
68	!! - Compute the contribution of forcing and remove it from these deviations
69	!!
70	!!---------------------------------------------------------------------------
71	INTEGER, INTENT(in) :: kt ! ocean time-step index
72	!
73	INTEGER :: ji, jj, jk ! dummy loop indice
74	REAL(wp) :: zdiff_hc , zdiff_sc ! heat and salt content variations
75	REAL(wp) :: zdiff_hc1 , zdiff_sc1 ! - - - -
76	REAL(wp) :: zdiff_v1 , zdiff_v2 ! volume variation
77	REAL(wp) :: zerr_hc1 , zerr_sc1 ! heat and salt content misfit
78	REAL(wp) :: zvol_tot ! volume
79	REAL(wp) :: z_frc_trd_t , z_frc_trd_s ! - -
80	REAL(wp) :: z_frc_trd_v ! - -
81	REAL(wp) :: z_wn_trd_t , z_wn_trd_s ! - -
82	REAL(wp) :: z_ssh_hc , z_ssh_sc ! - -
83	REAL(wp), DIMENSION(jpi,jpj) :: z2d0, z2d1 ! 2D workspace
84	REAL(wp), DIMENSION(jpi,jpj,jpkm1) :: zwrk ! 3D workspace
85	!!---------------------------------------------------------------------------
86	IF( ln_timing ) CALL timing_start('dia_hsb')
87	!
88	tsn(:,:,:,1) = tsn(:,:,:,1) * tmask(:,:,:) ; tsb(:,:,:,1) = tsb(:,:,:,1) * tmask(:,:,:) ;
89	tsn(:,:,:,2) = tsn(:,:,:,2) * tmask(:,:,:) ; tsb(:,:,:,2) = tsb(:,:,:,2) * tmask(:,:,:) ;
90	! ------------------------- !
91	! 1 - Trends due to forcing !
92	! ------------------------- !
93	z_frc_trd_v = r1_rau0 * glob_sum( 'diahsb', - ( emp(:,:) - rnf(:,:) + fwfisf(:,:) ) * surf(:,:) ) ! volume fluxes
94	z_frc_trd_t = glob_sum( 'diahsb', sbc_tsc(:,:,jp_tem) * surf(:,:) ) ! heat fluxes
95	z_frc_trd_s = glob_sum( 'diahsb', sbc_tsc(:,:,jp_sal) * surf(:,:) ) ! salt fluxes
96	! ! Add runoff heat & salt input
97	IF( ln_rnf ) z_frc_trd_t = z_frc_trd_t + glob_sum( 'diahsb', rnf_tsc(:,:,jp_tem) * surf(:,:) )
98	IF( ln_rnf_sal) z_frc_trd_s = z_frc_trd_s + glob_sum( 'diahsb', rnf_tsc(:,:,jp_sal) * surf(:,:) )
99	! ! Add ice shelf heat & salt input
100	IF( ln_isf ) z_frc_trd_t = z_frc_trd_t + glob_sum( 'diahsb', risf_tsc(:,:,jp_tem) * surf(:,:) )
101	! ! Add penetrative solar radiation
102	IF( ln_traqsr ) z_frc_trd_t = z_frc_trd_t + r1_rau0_rcp * glob_sum( 'diahsb', qsr (:,:) * surf(:,:) )
103	! ! Add geothermal heat flux
104	IF( ln_trabbc ) z_frc_trd_t = z_frc_trd_t + glob_sum( 'diahsb', qgh_trd0(:,:) * surf(:,:) )
105	!
106	IF( ln_linssh ) THEN
107	IF( ln_isfcav ) THEN
108	DO ji=1,jpi
109	DO jj=1,jpj
110	z2d0(ji,jj) = surf(ji,jj) * wn(ji,jj,mikt(ji,jj)) * tsb(ji,jj,mikt(ji,jj),jp_tem)
111	z2d1(ji,jj) = surf(ji,jj) * wn(ji,jj,mikt(ji,jj)) * tsb(ji,jj,mikt(ji,jj),jp_sal)
112	END DO
113	END DO
114	ELSE
115	z2d0(:,:) = surf(:,:) * wn(:,:,1) * tsb(:,:,1,jp_tem)
116	z2d1(:,:) = surf(:,:) * wn(:,:,1) * tsb(:,:,1,jp_sal)
117	END IF
118	z_wn_trd_t = - glob_sum( 'diahsb', z2d0 )
119	z_wn_trd_s = - glob_sum( 'diahsb', z2d1 )
120	ENDIF
121
122	frc_v = frc_v + z_frc_trd_v * rdt
123	frc_t = frc_t + z_frc_trd_t * rdt
124	frc_s = frc_s + z_frc_trd_s * rdt
125	! ! Advection flux through fixed surface (z=0)
126	IF( ln_linssh ) THEN
127	frc_wn_t = frc_wn_t + z_wn_trd_t * rdt
128	frc_wn_s = frc_wn_s + z_wn_trd_s * rdt
129	ENDIF
130
131	! ------------------------ !
132	! 2 - Content variations !
133	! ------------------------ !
134	! glob_sum_full is needed because you keep the full interior domain to compute the sum (iscpl)
135
136	! ! volume variation (calculated with ssh)
137	zdiff_v1 = glob_sum_full( 'diahsb', surf(:,:)sshn(:,:) - surf_ini(:,:)ssh_ini(:,:) )
138
139	! ! heat & salt content variation (associated with ssh)
140	IF( ln_linssh ) THEN ! linear free surface case
141	IF( ln_isfcav ) THEN ! ISF case
142	DO ji = 1, jpi
143	DO jj = 1, jpj
144	z2d0(ji,jj) = surf(ji,jj) * ( tsn(ji,jj,mikt(ji,jj),jp_tem) * sshn(ji,jj) - ssh_hc_loc_ini(ji,jj) )
145	z2d1(ji,jj) = surf(ji,jj) * ( tsn(ji,jj,mikt(ji,jj),jp_sal) * sshn(ji,jj) - ssh_sc_loc_ini(ji,jj) )
146	END DO
147	END DO
148	ELSE ! no under ice-shelf seas
149	z2d0(:,:) = surf(:,:) * ( tsn(:,:,1,jp_tem) * sshn(:,:) - ssh_hc_loc_ini(:,:) )
150	z2d1(:,:) = surf(:,:) * ( tsn(:,:,1,jp_sal) * sshn(:,:) - ssh_sc_loc_ini(:,:) )
151	END IF
152	z_ssh_hc = glob_sum_full( 'diahsb', z2d0 )
153	z_ssh_sc = glob_sum_full( 'diahsb', z2d1 )
154	ENDIF
155	!
156	DO jk = 1, jpkm1 ! volume variation (calculated with scale factors)
157	zwrk(:,:,jk) = ( surf(:,:)e3t_n(:,:,jk) - surf_ini(:,:)e3t_ini(:,:,jk) ) * tmask(:,:,jk)
158	END DO
159	zdiff_v2 = glob_sum_full( 'diahsb', zwrk(:,:,:) )
160	DO jk = 1, jpkm1 ! heat content variation
161	zwrk(:,:,jk) = ( surf(:,:)e3t_n(:,:,jk)tsn(:,:,jk,jp_tem) - surf_ini(:,:)hc_loc_ini(:,:,jk) ) tmask(:,:,jk)
162	END DO
163	zdiff_hc = glob_sum_full( 'diahsb', zwrk(:,:,:) )
164	DO jk = 1, jpkm1 ! salt content variation
165	zwrk(:,:,jk) = ( surf(:,:)e3t_n(:,:,jk)tsn(:,:,jk,jp_sal) - surf_ini(:,:)sc_loc_ini(:,:,jk) ) tmask(:,:,jk)
166	END DO
167	zdiff_sc = glob_sum_full( 'diahsb', zwrk(:,:,:) )
168
169	! ------------------------ !
170	! 3 - Drifts !
171	! ------------------------ !
172	zdiff_v1 = zdiff_v1 - frc_v
173	IF( .NOT.ln_linssh ) zdiff_v2 = zdiff_v2 - frc_v
174	zdiff_hc = zdiff_hc - frc_t
175	zdiff_sc = zdiff_sc - frc_s
176	IF( ln_linssh ) THEN
177	zdiff_hc1 = zdiff_hc + z_ssh_hc
178	zdiff_sc1 = zdiff_sc + z_ssh_sc
179	zerr_hc1 = z_ssh_hc - frc_wn_t
180	zerr_sc1 = z_ssh_sc - frc_wn_s
181	ENDIF
182
183	! ----------------------- !
184	! 4 - Diagnostics writing !
185	! ----------------------- !
186	DO jk = 1, jpkm1 ! total ocean volume (calculated with scale factors)
187	zwrk(:,:,jk) = surf(:,:) * e3t_n(:,:,jk) * tmask(:,:,jk)
188	END DO
189	zvol_tot = glob_sum_full( 'diahsb', zwrk(:,:,:) )
190
191	!!gm to be added ?
192	! IF( ln_linssh ) THEN ! fixed volume, add the ssh contribution
193	! zvol_tot = zvol_tot + glob_sum( 'diahsb', surf(:,:) * sshn(:,:) )
194	! ENDIF
195	!!gm end
196
197	CALL iom_put( 'bgfrcvol' , frc_v * 1.e-9 ) ! vol - surface forcing (km3)
198	CALL iom_put( 'bgfrctem' , frc_t * rau0 * rcp * 1.e-20 ) ! hc - surface forcing (1.e20 J)
199	CALL iom_put( 'bgfrchfx' , frc_t * rau0 * rcp / & ! hc - surface forcing (W/m2)
200	& ( surf_tot * kt * rdt ) )
201	CALL iom_put( 'bgfrcsal' , frc_s * 1.e-9 ) ! sc - surface forcing (psu*km3)
202
203	IF( .NOT. ln_linssh ) THEN
204	CALL iom_put( 'bgtemper' , zdiff_hc / zvol_tot ) ! Temperature drift (C)
205	CALL iom_put( 'bgsaline' , zdiff_sc / zvol_tot ) ! Salinity drift (PSU)
206	CALL iom_put( 'bgheatco' , zdiff_hc * 1.e-20 * rau0 * rcp ) ! Heat content drift (1.e20 J)
207	CALL iom_put( 'bgheatfx' , zdiff_hc * rau0 * rcp / & ! Heat flux drift (W/m2)
208	& ( surf_tot * kt * rdt ) )
209	CALL iom_put( 'bgsaltco' , zdiff_sc * 1.e-9 ) ! Salt content drift (psu*km3)
210	CALL iom_put( 'bgvolssh' , zdiff_v1 * 1.e-9 ) ! volume ssh drift (km3)
211	CALL iom_put( 'bgvole3t' , zdiff_v2 * 1.e-9 ) ! volume e3t drift (km3)
212	!
213	IF( kt == nitend .AND. lwp .AND. nprint > 0) THEN
214	WRITE(numout,*)
215	WRITE(numout,*) 'dia_hsb : last time step hsb diagnostics: at it= ', kt,' date= ', ndastp
216	WRITE(numout,*) '~~~~~~~'
217	WRITE(numout,*) ' Temperature drift = ', zdiff_hc / zvol_tot, ' C'
218	WRITE(numout,*) ' Salinity drift = ', zdiff_sc / zvol_tot, ' PSU'
219	WRITE(numout,) ' volume ssh drift = ', zdiff_v1 1.e-9 , ' km^3'
220	WRITE(numout,) ' volume e3t drift = ', zdiff_v2 1.e-9 , ' km^3'
221	IF(lflush) CALL FLUSH(numout)
222	ENDIF
223	!
224	ELSE
225	CALL iom_put( 'bgtemper' , zdiff_hc1 / zvol_tot) ! Heat content drift (C)
226	CALL iom_put( 'bgsaline' , zdiff_sc1 / zvol_tot) ! Salt content drift (PSU)
227	CALL iom_put( 'bgheatco' , zdiff_hc1 * 1.e-20 * rau0 * rcp ) ! Heat content drift (1.e20 J)
228	CALL iom_put( 'bgheatfx' , zdiff_hc1 * rau0 * rcp / & ! Heat flux drift (W/m2)
229	& ( surf_tot * kt * rdt ) )
230	CALL iom_put( 'bgsaltco' , zdiff_sc1 * 1.e-9 ) ! Salt content drift (psu*km3)
231	CALL iom_put( 'bgvolssh' , zdiff_v1 * 1.e-9 ) ! volume ssh drift (km3)
232	CALL iom_put( 'bgmistem' , zerr_hc1 / zvol_tot ) ! hc - error due to free surface (C)
233	CALL iom_put( 'bgmissal' , zerr_sc1 / zvol_tot ) ! sc - error due to free surface (psu)
234	ENDIF
235	!
236	IF( lrst_oce ) CALL dia_hsb_rst( kt, 'WRITE' )
237	!
238	IF( ln_timing ) CALL timing_stop('dia_hsb')
239	!
240	END SUBROUTINE dia_hsb
241
242
243	SUBROUTINE dia_hsb_rst( kt, cdrw )
244	!!---------------------------------------------------------------------
245	!! * ROUTINE dia_hsb_rst *
246	!!
247	!! ** Purpose : Read or write DIA file in restart file
248	!!
249	!! ** Method : use of IOM library
250	!!----------------------------------------------------------------------
251	INTEGER , INTENT(in) :: kt ! ocean time-step
252	CHARACTER(len=*), INTENT(in) :: cdrw ! "READ"/"WRITE" flag
253	!
254	INTEGER :: ji, jj, jk ! dummy loop indices
255	!!----------------------------------------------------------------------
256	!
257	IF( TRIM(cdrw) == 'READ' ) THEN ! Read/initialise
258	IF( ln_rstart ) THEN !* Read the restart file
259	!
260	IF(lwp) THEN
261	WRITE(numout,*)
262	WRITE(numout,*) ' dia_hsb_rst : read hsb restart at it= ', kt,' date= ', ndastp
263	WRITE(numout,*)
264	IF(lflush) CALL FLUSH(numout)
265	ENDIF
266	CALL iom_get( numror, 'frc_v', frc_v, ldxios = lrxios )
267	CALL iom_get( numror, 'frc_t', frc_t, ldxios = lrxios )
268	CALL iom_get( numror, 'frc_s', frc_s, ldxios = lrxios )
269	IF( ln_linssh ) THEN
270	CALL iom_get( numror, 'frc_wn_t', frc_wn_t, ldxios = lrxios )
271	CALL iom_get( numror, 'frc_wn_s', frc_wn_s, ldxios = lrxios )
272	ENDIF
273	CALL iom_get( numror, jpdom_autoglo, 'surf_ini' , surf_ini , ldxios = lrxios ) ! ice sheet coupling
274	CALL iom_get( numror, jpdom_autoglo, 'ssh_ini' , ssh_ini , ldxios = lrxios )
275	CALL iom_get( numror, jpdom_autoglo, 'e3t_ini' , e3t_ini , ldxios = lrxios )
276	CALL iom_get( numror, jpdom_autoglo, 'hc_loc_ini', hc_loc_ini, ldxios = lrxios )
277	CALL iom_get( numror, jpdom_autoglo, 'sc_loc_ini', sc_loc_ini, ldxios = lrxios )
278	IF( ln_linssh ) THEN
279	CALL iom_get( numror, jpdom_autoglo, 'ssh_hc_loc_ini', ssh_hc_loc_ini, ldxios = lrxios )
280	CALL iom_get( numror, jpdom_autoglo, 'ssh_sc_loc_ini', ssh_sc_loc_ini, ldxios = lrxios )
281	ENDIF
282	ELSE
283	IF(lwp) THEN
284	WRITE(numout,*)
285	WRITE(numout,*) ' dia_hsb_rst : initialise hsb at initial state '
286	WRITE(numout,*)
287	ENDIF
288	surf_ini(:,:) = e1e2t(:,:) * tmask_i(:,:) ! initial ocean surface
289	ssh_ini(:,:) = sshn(:,:) ! initial ssh
290	DO jk = 1, jpk
291	! if ice sheet/oceqn coupling, need to mask ini variables here (mask could change at the next NEMO instance).
292	e3t_ini (:,:,jk) = e3t_n(:,:,jk) * tmask(:,:,jk) ! initial vertical scale factors
293	hc_loc_ini(:,:,jk) = tsn(:,:,jk,jp_tem) * e3t_n(:,:,jk) * tmask(:,:,jk) ! initial heat content
294	sc_loc_ini(:,:,jk) = tsn(:,:,jk,jp_sal) * e3t_n(:,:,jk) * tmask(:,:,jk) ! initial salt content
295	END DO
296	frc_v = 0._wp ! volume trend due to forcing
297	frc_t = 0._wp ! heat content - - - -
298	frc_s = 0._wp ! salt content - - - -
299	IF( ln_linssh ) THEN
300	IF( ln_isfcav ) THEN
301	DO ji = 1, jpi
302	DO jj = 1, jpj
303	ssh_hc_loc_ini(ji,jj) = tsn(ji,jj,mikt(ji,jj),jp_tem) * sshn(ji,jj) ! initial heat content in ssh
304	ssh_sc_loc_ini(ji,jj) = tsn(ji,jj,mikt(ji,jj),jp_sal) * sshn(ji,jj) ! initial salt content in ssh
305	END DO
306	END DO
307	ELSE
308	ssh_hc_loc_ini(:,:) = tsn(:,:,1,jp_tem) * sshn(:,:) ! initial heat content in ssh
309	ssh_sc_loc_ini(:,:) = tsn(:,:,1,jp_sal) * sshn(:,:) ! initial salt content in ssh
310	END IF
311	frc_wn_t = 0._wp ! initial heat content misfit due to free surface
312	frc_wn_s = 0._wp ! initial salt content misfit due to free surface
313	ENDIF
314	ENDIF
315	!
316	ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN ! Create restart file
317	! ! -------------------
318	IF(lwp .AND. nprint > 0) THEN
319	WRITE(numout,*)
320	WRITE(numout,*) ' dia_hsb_rst : write restart at it= ', kt,' date= ', ndastp
321	WRITE(numout,*)
322	IF(lflush) CALL FLUSH(numout)
323	ENDIF
324	!
325	IF( lwxios ) CALL iom_swap( cwxios_context )
326	CALL iom_rstput( kt, nitrst, numrow, 'frc_v', frc_v, ldxios = lwxios )
327	CALL iom_rstput( kt, nitrst, numrow, 'frc_t', frc_t, ldxios = lwxios )
328	CALL iom_rstput( kt, nitrst, numrow, 'frc_s', frc_s, ldxios = lwxios )
329	IF( ln_linssh ) THEN
330	CALL iom_rstput( kt, nitrst, numrow, 'frc_wn_t', frc_wn_t, ldxios = lwxios )
331	CALL iom_rstput( kt, nitrst, numrow, 'frc_wn_s', frc_wn_s, ldxios = lwxios )
332	ENDIF
333	CALL iom_rstput( kt, nitrst, numrow, 'surf_ini' , surf_ini , ldxios = lwxios ) ! ice sheet coupling
334	CALL iom_rstput( kt, nitrst, numrow, 'ssh_ini' , ssh_ini , ldxios = lwxios )
335	CALL iom_rstput( kt, nitrst, numrow, 'e3t_ini' , e3t_ini , ldxios = lwxios )
336	CALL iom_rstput( kt, nitrst, numrow, 'hc_loc_ini', hc_loc_ini, ldxios = lwxios )
337	CALL iom_rstput( kt, nitrst, numrow, 'sc_loc_ini', sc_loc_ini, ldxios = lwxios )
338	IF( ln_linssh ) THEN
339	CALL iom_rstput( kt, nitrst, numrow, 'ssh_hc_loc_ini', ssh_hc_loc_ini, ldxios = lwxios )
340	CALL iom_rstput( kt, nitrst, numrow, 'ssh_sc_loc_ini', ssh_sc_loc_ini, ldxios = lwxios )
341	ENDIF
342	IF( lwxios ) CALL iom_swap( cxios_context )
343	!
344	ENDIF
345	!
346	END SUBROUTINE dia_hsb_rst
347
348
349	SUBROUTINE dia_hsb_init
350	!!---------------------------------------------------------------------------
351	!! * ROUTINE dia_hsb *
352	!!
353	!! ** Purpose: Initialization for the heat salt volume budgets
354	!!
355	!! ** Method : Compute initial heat content, salt content and volume
356	!!
357	!! ** Action : - Compute initial heat content, salt content and volume
358	!! - Initialize forcing trends
359	!! - Compute coefficients for conversion
360	!!---------------------------------------------------------------------------
361	INTEGER :: ierror, ios ! local integer
362	!!
363	NAMELIST/namhsb/ ln_diahsb
364	!!----------------------------------------------------------------------
365	!
366	IF(lwp) THEN
367	WRITE(numout,*)
368	WRITE(numout,*) 'dia_hsb_init : heat and salt budgets diagnostics'
369	WRITE(numout,*) '~~~~~~~~~~~~ '
370	IF(lflush) CALL FLUSH(numout)
371	ENDIF
372	REWIND( numnam_ref ) ! Namelist namhsb in reference namelist
373	READ ( numnam_ref, namhsb, IOSTAT = ios, ERR = 901)
374	901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namhsb in reference namelist', lwp )
375	REWIND( numnam_cfg ) ! Namelist namhsb in configuration namelist
376	READ ( numnam_cfg, namhsb, IOSTAT = ios, ERR = 902 )
377	902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namhsb in configuration namelist', lwp )
378	IF(lwm .AND. nprint > 2) WRITE( numond, namhsb )
379
380	IF(lwp) THEN
381	WRITE(numout,*) ' Namelist namhsb :'
382	WRITE(numout,*) ' check the heat and salt budgets (T) or not (F) ln_diahsb = ', ln_diahsb
383	IF(lflush) CALL FLUSH(numout)
384	ENDIF
385	!
386	IF( .NOT. ln_diahsb ) RETURN
387
388	IF(lwxios) THEN
389	! define variables in restart file when writing with XIOS
390	CALL iom_set_rstw_var_active('frc_v')
391	CALL iom_set_rstw_var_active('frc_t')
392	CALL iom_set_rstw_var_active('frc_s')
393	CALL iom_set_rstw_var_active('surf_ini')
394	CALL iom_set_rstw_var_active('ssh_ini')
395	CALL iom_set_rstw_var_active('e3t_ini')
396	CALL iom_set_rstw_var_active('hc_loc_ini')
397	CALL iom_set_rstw_var_active('sc_loc_ini')
398	IF( ln_linssh ) THEN
399	CALL iom_set_rstw_var_active('ssh_hc_loc_ini')
400	CALL iom_set_rstw_var_active('ssh_sc_loc_ini')
401	CALL iom_set_rstw_var_active('frc_wn_t')
402	CALL iom_set_rstw_var_active('frc_wn_s')
403	ENDIF
404	ENDIF
405	! ------------------- !
406	! 1 - Allocate memory !
407	! ------------------- !
408	ALLOCATE( hc_loc_ini(jpi,jpj,jpk), sc_loc_ini(jpi,jpj,jpk), surf_ini(jpi,jpj), &
409	& e3t_ini(jpi,jpj,jpk), surf(jpi,jpj), ssh_ini(jpi,jpj), STAT=ierror )
410	IF( ierror > 0 ) THEN
411	CALL ctl_stop( 'dia_hsb_init: unable to allocate hc_loc_ini' ) ; RETURN
412	ENDIF
413
414	IF( ln_linssh ) ALLOCATE( ssh_hc_loc_ini(jpi,jpj), ssh_sc_loc_ini(jpi,jpj),STAT=ierror )
415	IF( ierror > 0 ) THEN
416	CALL ctl_stop( 'dia_hsb: unable to allocate ssh_hc_loc_ini' ) ; RETURN
417	ENDIF
418
419	! ----------------------------------------------- !
420	! 2 - Time independant variables and file opening !
421	! ----------------------------------------------- !
422	surf(:,:) = e1e2t(:,:) * tmask_i(:,:) ! masked surface grid cell area
423	surf_tot = glob_sum( 'diahsb', surf(:,:) ) ! total ocean surface area
424
425	IF( ln_bdy ) CALL ctl_warn( 'dia_hsb_init: heat/salt budget does not consider open boundary fluxes' )
426	!
427	! ---------------------------------- !
428	! 4 - initial conservation variables !
429	! ---------------------------------- !
430	CALL dia_hsb_rst( nit000, 'READ' ) !* read or initialize all required files
431	!
432	END SUBROUTINE dia_hsb_init
433
434	!!======================================================================
435	END MODULE diahsb

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source: NEMO/branches/UKMO/NEMO_4.0_mirror_text_diagnostics/src/OCE/DIA/diahsb.F90

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