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diaar5.F90 @ 9294

Last change on this file since 9294 was 8083, checked in by timgraham, 7 years ago
Correction to commit r8077 for ticket #1884
Property svn:keywords set to `Id`
File size: 16.8 KB

Rev	Line
[1756]	1	MODULE diaar5
	2	!!======================================================================
	3	!! * MODULE diaar5 *
	4	!! AR5 diagnostics
	5	!!======================================================================
[2528]	6	!! History : 3.2 ! 2009-11 (S. Masson) Original code
	7	!! 3.3 ! 2010-10 (C. Ethe, G. Madec) reorganisation of initialisation phase + merge TRC-TRA
[1756]	8	!!----------------------------------------------------------------------
[2528]	9	!! dia_ar5 : AR5 diagnostics
	10	!! dia_ar5_init : initialisation of AR5 diagnostics
[1756]	11	!!----------------------------------------------------------------------
	12	USE oce ! ocean dynamics and active tracers
	13	USE dom_oce ! ocean space and time domain
[2528]	14	USE eosbn2 ! equation of state (eos_bn2 routine)
[1756]	15	USE lib_mpp ! distribued memory computing library
	16	USE iom ! I/O manager library
[3294]	17	USE timing ! preformance summary
	18	USE wrk_nemo ! working arrays
[5253]	19	USE fldread ! type FLD_N
	20	USE phycst ! physical constant
	21	USE in_out_manager ! I/O manager
[7646]	22	USE zdfddm
	23	USE zdf_oce
[1756]	24
	25	IMPLICIT NONE
	26	PRIVATE
	27
[2528]	28	PUBLIC dia_ar5 ! routine called in step.F90 module
[2715]	29	PUBLIC dia_ar5_alloc ! routine called in nemogcm.F90 module
[7646]	30	PUBLIC dia_ar5_hst ! heat/salt transport
[1756]	31
[2528]	32	REAL(wp) :: vol0 ! ocean volume (interior domain)
	33	REAL(wp) :: area_tot ! total ocean surface (interior domain)
[2715]	34	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: area ! cell surface (interior domain)
	35	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,: ) :: thick0 ! ocean thickness (interior domain)
	36	REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sn0 ! initial salinity
[7646]	37
	38	LOGICAL :: l_ar5
[1756]	39
[7646]	40	!! * Substitutions
	41	# include "zdfddm_substitute.h90"
	42	# include "vectopt_loop_substitute.h90"
[1756]	43	!!----------------------------------------------------------------------
[2528]	44	!! NEMO/OPA 3.3 , NEMO Consortium (2010)
	45	!! $Id$
	46	!! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt)
[1756]	47	!!----------------------------------------------------------------------
	48	CONTAINS
	49
[2715]	50	FUNCTION dia_ar5_alloc()
	51	!!----------------------------------------------------------------------
	52	!! * ROUTINE dia_ar5_alloc *
	53	!!----------------------------------------------------------------------
	54	INTEGER :: dia_ar5_alloc
	55	!!----------------------------------------------------------------------
	56	!
	57	ALLOCATE( area(jpi,jpj), thick0(jpi,jpj) , sn0(jpi,jpj,jpk) , STAT=dia_ar5_alloc )
	58	!
	59	IF( lk_mpp ) CALL mpp_sum ( dia_ar5_alloc )
	60	IF( dia_ar5_alloc /= 0 ) CALL ctl_warn('dia_ar5_alloc: failed to allocate arrays')
	61	!
	62	END FUNCTION dia_ar5_alloc
	63
	64
[1756]	65	SUBROUTINE dia_ar5( kt )
	66	!!----------------------------------------------------------------------
	67	!! * ROUTINE dia_ar5 *
	68	!!
[2528]	69	!! ** Purpose : compute and output some AR5 diagnostics
[1756]	70	!!----------------------------------------------------------------------
[2715]	71	!
[1756]	72	INTEGER, INTENT( in ) :: kt ! ocean time-step index
[2715]	73	!
[1756]	74	INTEGER :: ji, jj, jk ! dummy loop arguments
	75	REAL(wp) :: zvolssh, zvol, zssh_steric, zztmp, zarho, ztemp, zsal, zmass
[7646]	76	REAL(wp) :: zaw, zbw, zrw
[3294]	77	!
	78	REAL(wp), POINTER, DIMENSION(:,:) :: zarea_ssh , zbotpres ! 2D workspace
[7646]	79	REAL(wp), POINTER, DIMENSION(:,:) :: zpe ! 2D workspace
[3294]	80	REAL(wp), POINTER, DIMENSION(:,:,:) :: zrhd , zrhop ! 3D workspace
	81	REAL(wp), POINTER, DIMENSION(:,:,:,:) :: ztsn ! 4D workspace
[1756]	82	!!--------------------------------------------------------------------
[3294]	83	IF( nn_timing == 1 ) CALL timing_start('dia_ar5')
	84
[7646]	85	IF( kt == nit000 ) CALL dia_ar5_init
[1756]	86
[7646]	87	IF( l_ar5 ) THEN
	88	CALL wrk_alloc( jpi , jpj , zarea_ssh , zbotpres )
	89	CALL wrk_alloc( jpi , jpj , jpk , zrhd , zrhop )
	90	CALL wrk_alloc( jpi , jpj , jpk , jpts , ztsn )
[7753]	91	zarea_ssh(:,:) = area(:,:) * sshn(:,:)
[7646]	92	ENDIF
	93	!
	94	IF( iom_use( 'voltot' ) .OR. iom_use( 'sshtot' ) .OR. iom_use( 'sshdyn' ) ) THEN
	95	! ! total volume of liquid seawater
	96	zvolssh = SUM( zarea_ssh(:,:) )
	97	IF( lk_mpp ) CALL mpp_sum( zvolssh )
	98	zvol = vol0 + zvolssh
[1756]	99
[7646]	100	CALL iom_put( 'voltot', zvol )
	101	CALL iom_put( 'sshtot', zvolssh / area_tot )
	102	CALL iom_put( 'sshdyn', sshn(:,:) - (zvolssh / area_tot) )
	103	!
	104	ENDIF
[1756]	105
[7646]	106	IF( iom_use( 'botpres' ) .OR. iom_use( 'sshthster' ) .OR. iom_use( 'sshsteric' ) ) THEN
	107	!
[7753]	108	ztsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) ! thermosteric ssh
	109	ztsn(:,:,:,jp_sal) = sn0(:,:,:)
[7646]	110	CALL eos( ztsn, zrhd, gdept_n(:,:,:) ) ! now in situ density using initial salinity
	111	!
[7753]	112	zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice
[7646]	113	DO jk = 1, jpkm1
[7753]	114	zbotpres(:,:) = zbotpres(:,:) + e3t_n(:,:,jk) * zrhd(:,:,jk)
[7646]	115	END DO
	116	IF( ln_linssh ) THEN
	117	IF( ln_isfcav ) THEN
	118	DO ji = 1, jpi
	119	DO jj = 1, jpj
	120	zbotpres(ji,jj) = zbotpres(ji,jj) + sshn(ji,jj) * zrhd(ji,jj,mikt(ji,jj)) + riceload(ji,jj)
	121	END DO
[5120]	122	END DO
[7646]	123	ELSE
[7753]	124	zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1)
[7646]	125	END IF
[6140]	126	!!gm
	127	!!gm riceload should be added in both ln_linssh=T or F, no?
	128	!!gm
[7646]	129	END IF
	130	!
[7753]	131	zarho = SUM( area(:,:) * zbotpres(:,:) )
[7646]	132	IF( lk_mpp ) CALL mpp_sum( zarho )
	133	zssh_steric = - zarho / area_tot
	134	CALL iom_put( 'sshthster', zssh_steric )
[1756]	135
[7646]	136	! ! steric sea surface height
	137	CALL eos( tsn, zrhd, zrhop, gdept_n(:,:,:) ) ! now in situ and potential density
[7753]	138	zrhop(:,:,jpk) = 0._wp
[7646]	139	CALL iom_put( 'rhop', zrhop )
	140	!
[7753]	141	zbotpres(:,:) = 0._wp ! no atmospheric surface pressure, levitating sea-ice
[7646]	142	DO jk = 1, jpkm1
[7753]	143	zbotpres(:,:) = zbotpres(:,:) + e3t_n(:,:,jk) * zrhd(:,:,jk)
[7646]	144	END DO
	145	IF( ln_linssh ) THEN
	146	IF ( ln_isfcav ) THEN
	147	DO ji = 1,jpi
	148	DO jj = 1,jpj
	149	zbotpres(ji,jj) = zbotpres(ji,jj) + sshn(ji,jj) * zrhd(ji,jj,mikt(ji,jj)) + riceload(ji,jj)
	150	END DO
[5120]	151	END DO
[7646]	152	ELSE
[7753]	153	zbotpres(:,:) = zbotpres(:,:) + sshn(:,:) * zrhd(:,:,1)
[7646]	154	END IF
[5120]	155	END IF
[7646]	156	!
[7753]	157	zarho = SUM( area(:,:) * zbotpres(:,:) )
[7646]	158	IF( lk_mpp ) CALL mpp_sum( zarho )
	159	zssh_steric = - zarho / area_tot
	160	CALL iom_put( 'sshsteric', zssh_steric )
[1756]	161
[7646]	162	! ! ocean bottom pressure
	163	zztmp = rau0 * grav * 1.e-4_wp ! recover pressure from pressure anomaly and cover to dbar = 1.e4 Pa
[7753]	164	zbotpres(:,:) = zztmp * ( zbotpres(:,:) + sshn(:,:) + thick0(:,:) )
[7646]	165	CALL iom_put( 'botpres', zbotpres )
	166	!
	167	ENDIF
[1756]	168
[7646]	169	IF( iom_use( 'masstot' ) .OR. iom_use( 'temptot' ) .OR. iom_use( 'saltot' ) ) THEN
	170	! ! Mean density anomalie, temperature and salinity
	171	ztemp = 0._wp
	172	zsal = 0._wp
	173	DO jk = 1, jpkm1
	174	DO jj = 1, jpj
	175	DO ji = 1, jpi
	176	zztmp = area(ji,jj) * e3t_n(ji,jj,jk)
	177	ztemp = ztemp + zztmp * tsn(ji,jj,jk,jp_tem)
	178	zsal = zsal + zztmp * tsn(ji,jj,jk,jp_sal)
	179	END DO
[1756]	180	END DO
	181	END DO
[7646]	182	IF( ln_linssh ) THEN
	183	IF( ln_isfcav ) THEN
	184	DO ji = 1, jpi
	185	DO jj = 1, jpj
	186	ztemp = ztemp + zarea_ssh(ji,jj) * tsn(ji,jj,mikt(ji,jj),jp_tem)
	187	zsal = zsal + zarea_ssh(ji,jj) * tsn(ji,jj,mikt(ji,jj),jp_sal)
	188	END DO
[5120]	189	END DO
[7646]	190	ELSE
	191	ztemp = ztemp + SUM( zarea_ssh(:,:) * tsn(:,:,1,jp_tem) )
	192	zsal = zsal + SUM( zarea_ssh(:,:) * tsn(:,:,1,jp_sal) )
	193	END IF
	194	ENDIF
	195	IF( lk_mpp ) THEN
	196	CALL mpp_sum( ztemp )
	197	CALL mpp_sum( zsal )
[5120]	198	END IF
[7646]	199	!
	200	zmass = rau0 * ( zarho + zvol ) ! total mass of liquid seawater
	201	ztemp = ztemp / zvol ! potential temperature in liquid seawater
	202	zsal = zsal / zvol ! Salinity of liquid seawater
	203	!
	204	CALL iom_put( 'masstot', zmass )
	205	CALL iom_put( 'temptot', ztemp )
	206	CALL iom_put( 'saltot' , zsal )
	207	!
[1756]	208	ENDIF
[7646]	209
	210	IF( iom_use( 'tnpeo' )) THEN
	211	! Work done against stratification by vertical mixing
	212	! Exclude points where rn2 is negative as convection kicks in here and
	213	! work is not being done against stratification
[8078]	214	CALL wrk_alloc( jpi, jpj, zpe )
	215	zpe(:,:) = 0._wp
[8083]	216	IF( lk_zdfddm ) THEN
[8078]	217	DO jk = 2, jpk
	218	DO jj = 1, jpj
	219	DO ji = 1, jpi
	220	IF( rn2(ji,jj,jk) > 0._wp ) THEN
	221	zrw = ( gdepw_n(ji,jj,jk ) - gdept_n(ji,jj,jk) ) &
	222	& / ( gdept_n(ji,jj,jk-1) - gdept_n(ji,jj,jk) )
	223	!
	224	zaw = rab_n(ji,jj,jk,jp_tem) * (1. - zrw) + rab_n(ji,jj,jk-1,jp_tem)* zrw
	225	zbw = rab_n(ji,jj,jk,jp_sal) * (1. - zrw) + rab_n(ji,jj,jk-1,jp_sal)* zrw
	226	!
	227	zpe(ji, jj) = zpe(ji, jj) &
	228	& - grav * ( avt(ji,jj,jk) * zaw * (tsn(ji,jj,jk-1,jp_tem) - tsn(ji,jj,jk,jp_tem) ) &
	229	& - fsavs(ji,jj,jk) * zbw * (tsn(ji,jj,jk-1,jp_sal) - tsn(ji,jj,jk,jp_sal) ) )
	230	ENDIF
	231	END DO
	232	END DO
	233	END DO
[7646]	234	ELSE
[8078]	235	DO jk = 1, jpk
	236	DO ji = 1, jpi
	237	DO jj = 1, jpj
	238	zpe(ji,jj) = zpe(ji,jj) + avt(ji, jj, jk) * MIN(0._wp,rn2(ji, jj, jk)) * rau0 * e3w_n(ji, jj, jk)
	239	END DO
	240	END DO
	241	END DO
	242	ENDIF
	243	CALL lbc_lnk( zpe, 'T', 1._wp)
	244	CALL iom_put( 'tnpeo', zpe )
	245	CALL wrk_dealloc( jpi, jpj, zpe )
[7646]	246	ENDIF
[1756]	247	!
[7646]	248	IF( l_ar5 ) THEN
	249	CALL wrk_dealloc( jpi , jpj , zarea_ssh , zbotpres )
	250	CALL wrk_dealloc( jpi , jpj , jpk , zrhd , zrhop )
	251	CALL wrk_dealloc( jpi , jpj , jpk , jpts , ztsn )
	252	ENDIF
[1756]	253	!
[3294]	254	IF( nn_timing == 1 ) CALL timing_stop('dia_ar5')
	255	!
[1756]	256	END SUBROUTINE dia_ar5
	257
[7646]	258	SUBROUTINE dia_ar5_hst( ktra, cptr, pua, pva )
	259	!!----------------------------------------------------------------------
	260	!! * ROUTINE dia_ar5_htr *
	261	!!----------------------------------------------------------------------
	262	!! Wrapper for heat transport calculations
	263	!! Called from all advection and/or diffusion routines
	264	!!----------------------------------------------------------------------
	265	INTEGER , INTENT(in ) :: ktra ! tracer index
	266	CHARACTER(len=3) , INTENT(in) :: cptr ! transport type 'adv'/'ldf'
	267	REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: pua ! 3D input array of advection/diffusion
	268	REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT(in) :: pva ! 3D input array of advection/diffusion
	269	!
	270	INTEGER :: ji, jj, jk
	271	REAL(wp), POINTER, DIMENSION(:,:) :: z2d
[1756]	272
[7646]	273
	274
	275	CALL wrk_alloc( jpi, jpj, z2d )
	276	z2d(:,:) = pua(:,:,1)
	277	DO jk = 1, jpkm1
	278	DO jj = 2, jpjm1
	279	DO ji = fs_2, fs_jpim1 ! vector opt.
	280	z2d(ji,jj) = z2d(ji,jj) + pua(ji,jj,jk)
	281	END DO
	282	END DO
	283	END DO
	284	CALL lbc_lnk( z2d, 'U', -1. )
	285	IF( cptr == 'adv' ) THEN
	286	IF( ktra == jp_tem ) CALL iom_put( "uadv_heattr" , rau0_rcp * z2d ) ! advective heat transport in i-direction
	287	IF( ktra == jp_sal ) CALL iom_put( "uadv_salttr" , rau0 * z2d ) ! advective salt transport in i-direction
	288	ENDIF
	289	IF( cptr == 'ldf' ) THEN
	290	IF( ktra == jp_tem ) CALL iom_put( "udiff_heattr" , rau0_rcp * z2d ) ! diffusive heat transport in i-direction
	291	IF( ktra == jp_sal ) CALL iom_put( "udiff_salttr" , rau0 * z2d ) ! diffusive salt transport in i-direction
	292	ENDIF
	293	!
	294	z2d(:,:) = pva(:,:,1)
	295	DO jk = 1, jpkm1
	296	DO jj = 2, jpjm1
	297	DO ji = fs_2, fs_jpim1 ! vector opt.
	298	z2d(ji,jj) = z2d(ji,jj) + pva(ji,jj,jk)
	299	END DO
	300	END DO
	301	END DO
	302	CALL lbc_lnk( z2d, 'V', -1. )
	303	IF( cptr == 'adv' ) THEN
	304	IF( ktra == jp_tem ) CALL iom_put( "vadv_heattr" , rau0_rcp * z2d ) ! advective heat transport in j-direction
	305	IF( ktra == jp_sal ) CALL iom_put( "vadv_salttr" , rau0 * z2d ) ! advective salt transport in j-direction
	306	ENDIF
	307	IF( cptr == 'ldf' ) THEN
	308	IF( ktra == jp_tem ) CALL iom_put( "vdiff_heattr" , rau0_rcp * z2d ) ! diffusive heat transport in j-direction
	309	IF( ktra == jp_sal ) CALL iom_put( "vdiff_salttr" , rau0 * z2d ) ! diffusive salt transport in j-direction
	310	ENDIF
	311
	312	CALL wrk_dealloc( jpi, jpj, z2d )
	313
	314	END SUBROUTINE dia_ar5_hst
	315
	316
[1756]	317	SUBROUTINE dia_ar5_init
	318	!!----------------------------------------------------------------------
	319	!! * ROUTINE dia_ar5_init *
	320	!!
[2528]	321	!! ** Purpose : initialization for AR5 diagnostic computation
[1756]	322	!!----------------------------------------------------------------------
	323	INTEGER :: inum
	324	INTEGER :: ik
	325	INTEGER :: ji, jj, jk ! dummy loop indices
[7753]	326	REAL(wp) :: zztmp
[2715]	327	REAL(wp), POINTER, DIMENSION(:,:,:,:) :: zsaldta ! Jan/Dec levitus salinity
[5253]	328	!
[1756]	329	!!----------------------------------------------------------------------
	330	!
[3294]	331	IF( nn_timing == 1 ) CALL timing_start('dia_ar5_init')
	332	!
[7646]	333	l_ar5 = .FALSE.
	334	IF( iom_use( 'voltot' ) .OR. iom_use( 'sshtot' ) .OR. iom_use( 'sshdyn' ) .OR. &
	335	& iom_use( 'masstot' ) .OR. iom_use( 'temptot' ) .OR. iom_use( 'saltot' ) .OR. &
	336	& iom_use( 'botpres' ) .OR. iom_use( 'sshthster' ) .OR. iom_use( 'sshsteric' ) ) L_ar5 = .TRUE.
	337
	338	IF( l_ar5 ) THEN
	339	!
	340	CALL wrk_alloc( jpi , jpj , jpk, jpts, zsaldta )
	341	! ! allocate dia_ar5 arrays
	342	IF( dia_ar5_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'dia_ar5_init : unable to allocate arrays' )
[2715]	343
[7753]	344	area(:,:) = e1e2t(:,:) * tmask_i(:,:)
[1756]	345
[7646]	346	area_tot = SUM( area(:,:) ) ; IF( lk_mpp ) CALL mpp_sum( area_tot )
[1756]	347
[7646]	348	vol0 = 0._wp
[7753]	349	thick0(:,:) = 0._wp
[7646]	350	DO jk = 1, jpkm1
[7753]	351	vol0 = vol0 + SUM( area (:,:) * tmask(:,:,jk) * e3t_0(:,:,jk) )
	352	thick0(:,:) = thick0(:,:) + tmask_i(:,:) * tmask(:,:,jk) * e3t_0(:,:,jk)
[7646]	353	END DO
	354	IF( lk_mpp ) CALL mpp_sum( vol0 )
[5253]	355
[7646]	356	CALL iom_open ( 'sali_ref_clim_monthly', inum )
	357	CALL iom_get ( inum, jpdom_data, 'vosaline' , zsaldta(:,:,:,1), 1 )
	358	CALL iom_get ( inum, jpdom_data, 'vosaline' , zsaldta(:,:,:,2), 12 )
	359	CALL iom_close( inum )
[6665]	360
[7753]	361	sn0(:,:,:) = 0.5_wp * ( zsaldta(:,:,:,1) + zsaldta(:,:,:,2) )
	362	sn0(:,:,:) = sn0(:,:,:) * tmask(:,:,:)
[7646]	363	IF( ln_zps ) THEN ! z-coord. partial steps
	364	DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step)
	365	DO ji = 1, jpi
	366	ik = mbkt(ji,jj)
	367	IF( ik > 1 ) THEN
	368	zztmp = ( gdept_1d(ik) - gdept_0(ji,jj,ik) ) / ( gdept_1d(ik) - gdept_1d(ik-1) )
	369	sn0(ji,jj,ik) = ( 1._wp - zztmp ) * sn0(ji,jj,ik) + zztmp * sn0(ji,jj,ik-1)
	370	ENDIF
	371	END DO
[1756]	372	END DO
[7646]	373	ENDIF
	374	!
	375	CALL wrk_dealloc( jpi , jpj , jpk, jpts, zsaldta )
	376	!
[1756]	377	ENDIF
	378	!
[3294]	379	IF( nn_timing == 1 ) CALL timing_stop('dia_ar5_init')
	380	!
[1756]	381	END SUBROUTINE dia_ar5_init
	382
	383	!!======================================================================
	384	END MODULE diaar5

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