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readaerosol_mod.F90 @ 4131

Last change on this file since 4131 was 4103, checked in by Laurent Fairhead, 3 years ago
Inclusion of some corrections and optimisations for XIOS done by Arnaud Durocher during his TGCC mission. Included here are r3703, r3704, r3750, r3751, r3752 from his LMDZ6/branches/Optimisation_LMDZ branch
File size: 30.4 KB

Rev	Line
[3440]	1	! $Id: readaerosol.F90 3436 2019-01-22 16:26:21Z emillour $
	2	!
	3	MODULE readaerosol_mod
	4
	5	REAL, SAVE :: not_valid=-333.
	6
	7	INTEGER, SAVE :: nbp_lon_src
	8	!$OMP THREADPRIVATE(nbp_lon_src)
	9	INTEGER, SAVE :: nbp_lat_src
	10	!$OMP THREADPRIVATE(nbp_lat_src)
	11	REAL, ALLOCATABLE, SAVE :: psurf_interp(:,:)
	12
	13	CONTAINS
	14
	15	SUBROUTINE readaerosol(name_aero, type, filename, iyr_in, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	16
	17	!****************************************************************************************
	18	! This routine will read the aersosol from file.
	19	!
	20	! Read a year data with get_aero_fromfile depending on aer_type :
	21	! - actuel : read year 1980
	22	! - preind : read natural data
	23	! - scenario : read one or two years and do eventually linare time interpolation
	24	!
	25	! Return pointer, pt_out, to the year read or result from interpolation
	26	!****************************************************************************************
	27	USE dimphy
	28	USE print_control_mod, ONLY: lunout
	29
	30	IMPLICIT NONE
	31
	32	! Input arguments
	33	CHARACTER(len=7), INTENT(IN) :: name_aero
	34	CHARACTER(len=*), INTENT(IN) :: type ! actuel, annuel, scenario or preind
	35	CHARACTER(len=8), INTENT(IN) :: filename
	36	INTEGER, INTENT(IN) :: iyr_in
	37
	38	! Output
	39	INTEGER, INTENT(OUT) :: klev_src
	40	REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels
	41	REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels
	42	REAL, POINTER, DIMENSION(:,:,:) :: pt_out ! The massvar distributions, DIMENSION(klon, klev_src, 12)
	43	REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf ! Surface pression for 12 months
	44	REAL, DIMENSION(klon,12), INTENT(OUT) :: load ! Aerosol mass load in each column for 12 months
	45
	46	! Local variables
	47	CHARACTER(len=4) :: cyear
	48	REAL, POINTER, DIMENSION(:,:,:) :: pt_2
	49	REAL, DIMENSION(klon,12) :: psurf2, load2
	50	INTEGER :: iyr1, iyr2, klev_src2
	51	INTEGER :: it, k, i
	52	LOGICAL, PARAMETER :: lonlyone=.FALSE.
	53
	54	!****************************************************************************************
	55	! Read data depending on aer_type
	56	!
	57	!****************************************************************************************
	58
	59	IF (type == 'actuel') THEN
	60	! Read and return data for year 1980
	61	!****************************************************************************************
	62	cyear='1980'
	63	! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
	64	! pt_out has dimensions (klon, klev_src, 12)
	65	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	66
	67
	68	ELSE IF (type == 'preind') THEN
	69	! Read and return data from file with suffix .nat
	70	!****************************************************************************************
	71	cyear='.nat'
	72	! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
	73	! pt_out has dimensions (klon, klev_src, 12)
	74	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	75
	76	ELSE IF (type == 'annuel') THEN
	77	! Read and return data from scenario annual files
	78	!****************************************************************************************
	79	WRITE(cyear,'(I4)') iyr_in
	80	WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear
	81	! get_aero_fromfile returns pt_out allocated and initialized with data for nbr_tsteps month
	82	! pt_out has dimensions (klon, klev_src, 12)
	83	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	84
	85	ELSE IF (type == 'scenario') THEN
	86	! Read data depending on actual year and interpolate if necessary
	87	!****************************************************************************************
	88	IF (iyr_in .LT. 1850) THEN
	89	cyear='.nat'
	90	WRITE(lunout,*) 'get_aero 1 iyr_in=', iyr_in,' ',cyear
	91	! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
	92	! pt_out has dimensions (klon, klev_src, 12)
	93	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	94
	95	ELSE IF (iyr_in .GE. 2100) THEN
	96	cyear='2100'
	97	WRITE(lunout,*) 'get_aero 2 iyr_in=', iyr_in,' ',cyear
	98	! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
	99	! pt_out has dimensions (klon, klev_src, 12)
	100	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	101
	102	ELSE
	103	! Read data from 2 decades and interpolate to actual year
	104	! a) from actual 10-yr-period
	105	IF (iyr_in.LT.1900) THEN
	106	iyr1 = 1850
	107	iyr2 = 1900
	108	ELSE IF (iyr_in.GE.1900.AND.iyr_in.LT.1920) THEN
	109	iyr1 = 1900
	110	iyr2 = 1920
	111	ELSE
	112	iyr1 = INT(iyr_in/10)*10
	113	iyr2 = INT(1+iyr_in/10)*10
	114	ENDIF
	115
	116	WRITE(cyear,'(I4)') iyr1
	117	WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear
	118	! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month
	119	! pt_out has dimensions (klon, klev_src, 12)
	120	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, pt_out, psurf, load)
	121
	122	! If to read two decades:
	123	IF (.NOT.lonlyone) THEN
	124
	125	! b) from the next following one
	126	WRITE(cyear,'(I4)') iyr2
	127	WRITE(lunout,*) 'get_aero 4 iyr_in=', iyr_in,' ',cyear
	128
	129	NULLIFY(pt_2)
	130	! get_aero_fromfile returns pt_2 allocated and initialized with data for 12 month
	131	! pt_2 has dimensions (klon, klev_src, 12)
	132	CALL get_aero_fromfile(name_aero, cyear, filename, klev_src2, pt_ap, pt_b, pt_2, psurf2, load2)
	133	! Test for same number of vertical levels
	134	IF (klev_src /= klev_src2) THEN
	135	WRITE(lunout,*) 'Two aerosols files with different number of vertical levels is not allowded'
	136	CALL abort_physic('readaersosol','Error in number of vertical levels',1)
	137	END IF
	138
	139	! Linare interpolate to the actual year:
	140	DO it=1,12
	141	DO k=1,klev_src
	142	DO i = 1, klon
	143	pt_out(i,k,it) = &
	144	pt_out(i,k,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
	145	(pt_out(i,k,it) - pt_2(i,k,it))
	146	END DO
	147	END DO
	148
	149	DO i = 1, klon
	150	psurf(i,it) = &
	151	psurf(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
	152	(psurf(i,it) - psurf2(i,it))
	153
	154	load(i,it) = &
	155	load(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * &
	156	(load(i,it) - load2(i,it))
	157	END DO
	158	END DO
	159
	160	! Deallocate pt_2 no more needed
	161	DEALLOCATE(pt_2)
	162
	163	END IF ! lonlyone
	164	END IF ! iyr_in .LT. 1850
	165
	166	ELSE
	167	WRITE(lunout,*)'This option is not implemented : aer_type = ', type,' name_aero=',name_aero
	168	CALL abort_physic('readaerosol','Error : aer_type parameter not accepted',1)
	169	END IF ! type
	170
	171
	172	END SUBROUTINE readaerosol
	173
	174
	175	SUBROUTINE init_aero_fromfile(flag_aerosol)
	176	USE netcdf
	177	USE mod_phys_lmdz_para
	178	USE mod_grid_phy_lmdz, ONLY: grid_type, unstructured
	179	#ifdef CPP_XIOS
	180	USE xios
	181	#endif
	182	IMPLICIT NONE
	183	INTEGER, INTENT(IN) :: flag_aerosol
	184	#ifdef CPP_XIOS
	185	REAL,ALLOCATABLE :: lat_src(:)
	186	REAL,ALLOCATABLE :: lon_src(:)
	187	CHARACTER(LEN=*),PARAMETER :: file_aerosol='aerosols.nat.nc'
	188	CHARACTER(LEN=*),PARAMETER :: file_so4='so4.nat.nc'
	189	INTEGER :: klev_src
	190	INTEGER :: ierr ,ncid, dimID, varid
	191	REAL :: null_array(0)
	192
	193	IF (flag_aerosol>0 .AND. grid_type==unstructured) THEN
	194
	195	IF (is_omp_root) THEN
	196
	197	IF (is_mpi_root) THEN
	198
	199	IF (nf90_open(TRIM(file_aerosol), NF90_NOWRITE, ncid) /= NF90_NOERR) THEN
	200	CALL check_err( nf90_open(TRIM(file_so4), NF90_NOWRITE, ncid), "pb open "//trim(file_so4) )
	201	ENDIF
	202
	203	! Read and test longitudes
	204	CALL check_err( nf90_inq_dimid(ncid, "lon", dimID),"pb inq dim lon")
	205	CALL check_err( nf90_inquire_dimension(ncid, dimID, len = nbp_lon_src),"pb inq dim lon")
	206	CALL check_err( nf90_inq_varid(ncid, 'lon', varid),"pb inq lon" )
	207	ALLOCATE(lon_src(nbp_lon_src))
	208	CALL check_err( nf90_get_var(ncid, varid, lon_src(:)),"pb get lon" )
	209
	210	! Read and test latitudes
	211	CALL check_err( nf90_inq_dimid(ncid, "lat", dimID),"pb inq dim lat")
	212	CALL check_err( nf90_inquire_dimension(ncid, dimID, len = nbp_lat_src),"pb inq dim lat")
	213	CALL check_err( nf90_inq_varid(ncid, 'lat', varid),"pb inq lat" )
	214	ALLOCATE(lat_src(nbp_lat_src))
	215	CALL check_err( nf90_get_var(ncid, varid, lat_src(:)),"pb get lat" )
	216	IF (nf90_inq_dimid(ncid, 'lev', dimid) /= NF90_NOERR) THEN
	217	IF (nf90_inq_dimid(ncid, 'presnivs', dimid)/= NF90_NOERR) THEN
	218	CALL check_err(nf90_inq_dimid(ncid, 'PRESNIVS', dimid),'dimension lev,PRESNIVS or presnivs not in file')
	219	ENDIF
	220	ENDIF
	221	CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src),"pb inq dim for PRESNIVS or lev" )
	222	CALL check_err( nf90_close(ncid),"pb in close" )
	223	ENDIF
	224
	225	CALL bcast_mpi(nbp_lat_src)
	226	CALL bcast_mpi(nbp_lon_src)
	227	CALL bcast_mpi(klev_src)
	228
	229	IF (is_mpi_root ) THEN
	230	CALL xios_set_domain_attr("domain_aerosol",nj_glo=nbp_lat_src, nj=nbp_lat_src, jbegin=0, latvalue_1d=lat_src)
	231	CALL xios_set_domain_attr("domain_aerosol",ni_glo=nbp_lon_src, ni=nbp_lon_src, ibegin=0, lonvalue_1d=lon_src)
	232	ELSE
	233	CALL xios_set_domain_attr("domain_aerosol",nj_glo=nbp_lat_src, nj=0, jbegin=0, latvalue_1d=null_array )
	234	CALL xios_set_domain_attr("domain_aerosol",ni_glo=nbp_lon_src, ni=0, ibegin=0, lonvalue_1d=null_array)
	235	ENDIF
	236	CALL xios_set_axis_attr("axis_aerosol",n_glo=klev_src)
	237	CALL xios_set_fieldgroup_attr("aerosols", enabled=.TRUE.)
	238
	239	ENDIF
	240
	241	ENDIF
	242	#endif
	243	END SUBROUTINE init_aero_fromfile
	244
	245
	246
	247
	248	SUBROUTINE get_aero_fromfile(varname, cyr, filename, klev_src, pt_ap, pt_b, pt_year, psurf_out, load_out)
	249	!****************************************************************************************
	250	! Read 12 month aerosol from file and distribute to local process on physical grid.
	251	! Vertical levels, klev_src, may differ from model levels if new file format.
	252	!
	253	! For mpi_root and master thread :
	254	! 1) Open file
	255	! 2) Find vertical dimension klev_src
	256	! 3) Read field month by month
	257	! 4) Close file
	258	! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo)
	259	! - Also the levels and the latitudes have to be inversed
	260	!
	261	! For all processes and threads :
	262	! 6) Scatter global field(klon_glo) to local process domain(klon)
	263	! 7) Test for negative values
	264	!****************************************************************************************
	265
	266	USE netcdf
	267	USE dimphy
	268	USE mod_grid_phy_lmdz, ONLY: nbp_lon_=>nbp_lon, nbp_lat_=>nbp_lat, klon_glo, &
	269	grid2Dto1D_glo, grid_type, unstructured
	270	USE mod_phys_lmdz_para
	271	USE iophy, ONLY : io_lon, io_lat
	272	USE print_control_mod, ONLY: lunout
	273	#ifdef CPP_XIOS
	274	USE xios
	275	#endif
	276	IMPLICIT NONE
	277
	278	! Input argumets
	279	CHARACTER(len=7), INTENT(IN) :: varname
	280	CHARACTER(len=4), INTENT(IN) :: cyr
	281	CHARACTER(len=8), INTENT(IN) :: filename
	282
	283	! Output arguments
	284	INTEGER, INTENT(OUT) :: klev_src ! Number of vertical levels in file
	285	REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels
	286	REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels
	287	REAL, POINTER, DIMENSION(:,:,:) :: pt_year ! Pointer-variabale from file, 12 month, grid : klon,klev_src
	288	REAL, POINTER, DIMENSION(:,:,:) :: pt_year_mpi ! Pointer-variabale from file, 12 month, grid : klon,klev_src
	289	REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf_out ! Surface pression for 12 months
	290	REAL, DIMENSION(klon_mpi,12) :: psurf_out_mpi ! Surface pression for 12 months
	291	REAL, DIMENSION(klon,12), INTENT(OUT) :: load_out ! Aerosol mass load in each column
	292	REAL, DIMENSION(klon_mpi,12) :: load_out_mpi ! Aerosol mass load in each column
	293	INTEGER :: nbr_tsteps ! number of month in file read
	294
	295	! Local variables
	296	CHARACTER(len=30) :: fname
	297	CHARACTER(len=30) :: cvar
	298	INTEGER :: ncid, dimid, varid
	299	INTEGER :: imth, i, j, k, ierr
	300	REAL :: npole, spole
	301	REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varmth
	302	REAL, ALLOCATABLE, DIMENSION(:,:,:,:) :: varyear ! Global variable read from file, 12 month
	303	REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varyear_glo1D !(klon_glo, klev_src, 12)
	304	REAL, ALLOCATABLE, DIMENSION(:) :: varktmp
	305
	306	REAL, ALLOCATABLE :: psurf_glo2D(:,:,:) ! Surface pression for 12 months on dynamics global grid
	307	REAL, DIMENSION(klon_glo,12) :: psurf_glo1D ! -"- on physical global grid
	308	REAL, ALLOCATABLE :: load_glo2D(:,:,:) ! Load for 12 months on dynamics global grid
	309	REAL, DIMENSION(klon_glo,12) :: load_glo1D ! -"- on physical global grid
	310	REAL, ALLOCATABLE, DIMENSION(:,:) :: vartmp
	311	REAL, ALLOCATABLE,DIMENSION(:) :: lon_src ! longitudes in file
	312	REAL, ALLOCATABLE,DIMENSION(:) :: lat_src, lat_src_inv ! latitudes in file
	313	LOGICAL :: new_file ! true if new file format detected
	314	LOGICAL :: invert_lat ! true if the field has to be inverted for latitudes
	315	INTEGER :: nbp_lon, nbp_lat
	316	LOGICAL,SAVE :: first=.TRUE.
	317	!$OMP THREADPRIVATE(first)
	318
	319	IF (grid_type==unstructured) THEN
	320	nbp_lon=nbp_lon_src
	321	nbp_lat=nbp_lat_src
	322	ELSE
	323	nbp_lon=nbp_lon_
	324	nbp_lat=nbp_lat_
	325	ENDIF
	326
	327	IF (is_mpi_root) THEN
	328
	329	ALLOCATE(psurf_glo2D(nbp_lon,nbp_lat,12))
	330	ALLOCATE(load_glo2D(nbp_lon,nbp_lat,12))
	331	ALLOCATE(vartmp(nbp_lon,nbp_lat))
	332	ALLOCATE(lon_src(nbp_lon))
	333	ALLOCATE(lat_src(nbp_lat))
	334	ALLOCATE(lat_src_inv(nbp_lat))
	335	ELSE
	336	ALLOCATE(varyear(0,0,0,0))
	337	ALLOCATE(psurf_glo2D(0,0,0))
	338	ALLOCATE(load_glo2D(0,0,0))
	339	ENDIF
	340
	341	! Deallocate pointers
	342	IF (ASSOCIATED(pt_ap)) DEALLOCATE(pt_ap)
	343	IF (ASSOCIATED(pt_b)) DEALLOCATE(pt_b)
	344
	345	IF (is_mpi_root .AND. is_omp_root) THEN
	346
	347	! 1) Open file
	348	!****************************************************************************************
	349	! Add suffix to filename
	350	fname = trim(filename)//cyr//'.nc'
	351
	352	WRITE(lunout,*) 'reading variable ',TRIM(varname),' in file ', TRIM(fname)
	353	CALL check_err( nf90_open(TRIM(fname), NF90_NOWRITE, ncid), "pb open "//trim(fname) )
	354
	355
	356	IF (grid_type/=unstructured) THEN
	357
	358	! Test for equal longitudes and latitudes in file and model
	359	!****************************************************************************************
	360	! Read and test longitudes
	361	CALL check_err( nf90_inq_varid(ncid, 'lon', varid),"pb inq lon" )
	362	CALL check_err( nf90_get_var(ncid, varid, lon_src(:)),"pb get lon" )
	363
	364	IF (maxval(ABS(lon_src - io_lon)) > 0.001) THEN
	365	WRITE(lunout,*) 'Problem in longitudes read from file : ',TRIM(fname)
	366	WRITE(lunout,*) 'longitudes in file ', TRIM(fname),' : ', lon_src
	367	WRITE(lunout,*) 'longitudes in model :', io_lon
	368
	369	CALL abort_physic('get_aero_fromfile', 'longitudes are not the same in file and model',1)
	370	END IF
	371
	372	! Read and test latitudes
	373	CALL check_err( nf90_inq_varid(ncid, 'lat', varid),"pb inq lat" )
	374	CALL check_err( nf90_get_var(ncid, varid, lat_src(:)),"pb get lat" )
	375
	376	! Invert source latitudes
	377	DO j = 1, nbp_lat
	378	lat_src_inv(j) = lat_src(nbp_lat +1 -j)
	379	END DO
	380
	381	IF (maxval(ABS(lat_src - io_lat)) < 0.001) THEN
	382	! Latitudes are the same
	383	invert_lat=.FALSE.
	384	ELSE IF (maxval(ABS(lat_src_inv - io_lat)) < 0.001) THEN
	385	! Inverted source latitudes correspond to model latitudes
	386	WRITE(lunout,*) 'latitudes will be inverted for file : ',TRIM(fname)
	387	invert_lat=.TRUE.
	388	ELSE
	389	WRITE(lunout,*) 'Problem in latitudes read from file : ',TRIM(fname)
	390	WRITE(lunout,*) 'latitudes in file ', TRIM(fname),' : ', lat_src
	391	WRITE(lunout,*) 'latitudes in model :', io_lat
	392	CALL abort_physic('get_aero_fromfile', 'latitudes do not correspond between file and model',1)
	393	END IF
	394	ENDIF
	395
	396	! 2) Check if old or new file is avalabale.
	397	! New type of file should contain the dimension 'lev'
	398	! Old type of file should contain the dimension 'PRESNIVS'
	399	!****************************************************************************************
	400	ierr = nf90_inq_dimid(ncid, 'lev', dimid)
	401	IF (ierr /= NF90_NOERR) THEN
	402	! Coordinate axe lev not found. Check for presnivs.
	403	ierr = nf90_inq_dimid(ncid, 'presnivs', dimid)
	404	IF (ierr /= NF90_NOERR) THEN
	405	ierr = nf90_inq_dimid(ncid, 'PRESNIVS', dimid)
	406	IF (ierr /= NF90_NOERR) THEN
	407	! Dimension PRESNIVS not found either
	408	CALL abort_physic('get_aero_fromfile', 'dimension lev,PRESNIVS or presnivs not in file',1)
	409	ELSE
	410	! Old file found
	411	new_file=.FALSE.
	412	WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will not be done'
	413	END IF
	414	ELSE
	415	! New file found
	416	new_file=.TRUE.
	417	WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done'
	418	ENDIF
	419	ELSE
	420	! New file found
	421	new_file=.TRUE.
	422	WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done'
	423	END IF
	424
	425	! 2) Find vertical dimension klev_src
	426	!****************************************************************************************
	427	CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src),"pb inq dim for PRESNIVS or lev" )
	428
	429	! Allocate variables depending on the number of vertical levels
	430	ALLOCATE(varmth(nbp_lon,nbp_lat, klev_src), varyear(nbp_lon,nbp_lat, klev_src, 12), stat=ierr)
	431	IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 1',1)
	432
	433	ALLOCATE(pt_ap(klev_src), pt_b(klev_src), varktmp(klev_src), stat=ierr)
	434	IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 2',1)
	435
	436	! 3) Read all variables from file
	437	! There is 2 options for the file structure :
	438	! new_file=TRUE : read varyear, ps, pt_ap and pt_b
	439	! new_file=FALSE : read varyear month by month
	440	!****************************************************************************************
	441
	442	IF (new_file) THEN
	443	! ++) Check number of month in file opened
	444	!**************************************************************************************************
	445	ierr = nf90_inq_dimid(ncid, 'TIME',dimid)
	446	if (ierr /= NF90_NOERR) THEN
	447	ierr = nf90_inq_dimid(ncid, 'time_counter', dimid)
	448	ENDIF
	449	CALL check_err( nf90_inquire_dimension(ncid, dimid, len = nbr_tsteps),"pb inq dim TIME or time_counter" )
	450	! IF (nbr_tsteps /= 12 .AND. nbr_tsteps /= 14) THEN
	451	IF (nbr_tsteps /= 12 ) THEN
	452	CALL abort_physic('get_aero_fromfile', 'not the right number of months in aerosol file read (should be 12 for the moment)' &
	453	,1)
	454	ENDIF
	455
	456	! ++) Read the aerosol concentration month by month and concatenate to total variable varyear
	457	!****************************************************************************************
	458	! Get variable id
	459	!CALL check_err( nf90_inq_varid(ncid, TRIM(varname), varid),"pb inq var "//TRIM(varname) )
	460	print *,'readaerosol ', TRIM(varname)
	461	IF ( nf90_inq_varid(ncid, TRIM(varname), varid) /= NF90_NOERR ) THEN
	462	! Variable is not there
	463	WRITE(lunout,*) 'Attention '//TRIM(varname)//' is not in aerosol input file'
	464	varyear(:,:,:,:)=0.0
	465	ELSE
	466	! Get the variable
	467	CALL check_err( nf90_get_var(ncid, varid, varyear(:,:,:,:)),"pb get var "//TRIM(varname) )
	468	ENDIF
	469
	470	! ++) Read surface pression, 12 month in one variable
	471	!****************************************************************************************
	472	! Get variable id
	473	CALL check_err( nf90_inq_varid(ncid, "ps", varid),"pb inq var ps" )
	474	! Get the variable
	475	CALL check_err( nf90_get_var(ncid, varid, psurf_glo2D),"pb get var ps" )
	476
	477	! ++) Read mass load, 12 month in one variable
	478	!****************************************************************************************
	479	! Get variable id
	480	!CALL check_err( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) ,"pb inq var load_"//TRIM(varname))
	481	IF ( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) /= NF90_NOERR ) THEN
	482	WRITE(lunout,*) 'Attention load_'//TRIM(varname)//' is not in aerosol input file'
	483	load_glo2D(:,:,:)=0.0
	484	ELSE
	485	! Get the variable
	486	CALL check_err( nf90_get_var(ncid, varid, load_glo2D),"pb get var load_"//TRIM(varname) )
	487	ENDIF
	488
	489	! ++) Read ap
	490	!****************************************************************************************
	491	! Get variable id
	492	CALL check_err( nf90_inq_varid(ncid, "ap", varid),"pb inq var ap" )
	493	! Get the variable
	494	CALL check_err( nf90_get_var(ncid, varid, pt_ap),"pb get var ap" )
	495
	496	! ++) Read b
	497	!****************************************************************************************
	498	! Get variable id
	499	CALL check_err( nf90_inq_varid(ncid, "b", varid),"pb inq var b" )
	500	! Get the variable
	501	CALL check_err( nf90_get_var(ncid, varid, pt_b),"pb get var b" )
	502
	503
	504
	505	ELSE ! old file
	506
	507	! ++) Read the aerosol concentration month by month and concatenate to total variable varyear
	508	!****************************************************************************************
	509	DO imth=1, 12
	510	IF (imth.EQ.1) THEN
	511	cvar=TRIM(varname)//'JAN'
	512	ELSE IF (imth.EQ.2) THEN
	513	cvar=TRIM(varname)//'FEB'
	514	ELSE IF (imth.EQ.3) THEN
	515	cvar=TRIM(varname)//'MAR'
	516	ELSE IF (imth.EQ.4) THEN
	517	cvar=TRIM(varname)//'APR'
	518	ELSE IF (imth.EQ.5) THEN
	519	cvar=TRIM(varname)//'MAY'
	520	ELSE IF (imth.EQ.6) THEN
	521	cvar=TRIM(varname)//'JUN'
	522	ELSE IF (imth.EQ.7) THEN
	523	cvar=TRIM(varname)//'JUL'
	524	ELSE IF (imth.EQ.8) THEN
	525	cvar=TRIM(varname)//'AUG'
	526	ELSE IF (imth.EQ.9) THEN
	527	cvar=TRIM(varname)//'SEP'
	528	ELSE IF (imth.EQ.10) THEN
	529	cvar=TRIM(varname)//'OCT'
	530	ELSE IF (imth.EQ.11) THEN
	531	cvar=TRIM(varname)//'NOV'
	532	ELSE IF (imth.EQ.12) THEN
	533	cvar=TRIM(varname)//'DEC'
	534	END IF
	535
	536	! Get variable id
	537	CALL check_err( nf90_inq_varid(ncid, TRIM(cvar), varid),"pb inq var "//TRIM(cvar) )
	538
	539	! Get the variable
	540	CALL check_err( nf90_get_var(ncid, varid, varmth),"pb get var "//TRIM(cvar) )
	541
	542	! Store in variable for the whole year
	543	varyear(:,:,:,imth)=varmth(:,:,:)
	544
	545	END DO
	546
	547	! Putting dummy
	548	psurf_glo2D(:,:,:) = not_valid
	549	load_glo2D(:,:,:) = not_valid
	550	pt_ap(:) = not_valid
	551	pt_b(:) = not_valid
	552
	553	END IF
	554
	555	! 4) Close file
	556	!****************************************************************************************
	557	CALL check_err( nf90_close(ncid),"pb in close" )
	558
	559
	560	! 5) Transform the global field from 2D(nbp_lon,nbp_lat) to 1D(klon_glo)
	561	!****************************************************************************************
	562	! Test if vertical levels have to be inversed
	563
	564	IF ((pt_b(1) < pt_b(klev_src)) .OR. .NOT. new_file) THEN
	565	! WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' needs to be inverted'
	566	! WRITE(lunout,*) 'before pt_ap = ', pt_ap
	567	! WRITE(lunout,*) 'before pt_b = ', pt_b
	568
	569	! Inverse vertical levels for varyear
	570	DO imth=1, 12
	571	varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly
	572	DO k=1, klev_src
	573	DO j=1, nbp_lat
	574	DO i=1, nbp_lon
	575	varyear(i,j,k,imth) = varmth(i,j,klev_src+1-k)
	576	END DO
	577	END DO
	578	END DO
	579	END DO
	580
	581	! Inverte vertical axes for pt_ap and pt_b
	582	varktmp(:) = pt_ap(:)
	583	DO k=1, klev_src
	584	pt_ap(k) = varktmp(klev_src+1-k)
	585	END DO
	586
	587	varktmp(:) = pt_b(:)
	588	DO k=1, klev_src
	589	pt_b(k) = varktmp(klev_src+1-k)
	590	END DO
	591	WRITE(lunout,*) 'after pt_ap = ', pt_ap
	592	WRITE(lunout,*) 'after pt_b = ', pt_b
	593
	594	ELSE
	595	WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' is ok, no vertical inversion is done'
	596	WRITE(lunout,*) 'pt_ap = ', pt_ap
	597	WRITE(lunout,*) 'pt_b = ', pt_b
	598	END IF
	599
	600
	601	IF (grid_type/=unstructured) THEN
	602	! - Invert latitudes if necessary
	603	DO imth=1, 12
	604	IF (invert_lat) THEN
	605
	606	! Invert latitudes for the variable
	607	varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly
	608	DO k=1,klev_src
	609	DO j=1,nbp_lat
	610	DO i=1,nbp_lon
	611	varyear(i,j,k,imth) = varmth(i,nbp_lat+1-j,k)
	612	END DO
	613	END DO
	614	END DO
	615
	616	! Invert latitudes for surface pressure
	617	vartmp(:,:) = psurf_glo2D(:,:,imth)
	618	DO j=1,nbp_lat
	619	DO i=1,nbp_lon
	620	psurf_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j)
	621	END DO
	622	END DO
	623
	624	! Invert latitudes for the load
	625	vartmp(:,:) = load_glo2D(:,:,imth)
	626	DO j=1,nbp_lat
	627	DO i=1,nbp_lon
	628	load_glo2D(i,j,imth)= vartmp(i,nbp_lat+1-j)
	629	END DO
	630	END DO
	631	END IF ! invert_lat
	632
	633	! Do zonal mead at poles and distribut at whole first and last latitude
	634	DO k=1, klev_src
	635	npole=0. ! North pole, j=1
	636	spole=0. ! South pole, j=nbp_lat
	637	DO i=1,nbp_lon
	638	npole = npole + varyear(i,1,k,imth)
	639	spole = spole + varyear(i,nbp_lat,k,imth)
	640	END DO
	641	npole = npole/REAL(nbp_lon)
	642	spole = spole/REAL(nbp_lon)
	643	varyear(:,1, k,imth) = npole
	644	varyear(:,nbp_lat,k,imth) = spole
	645	END DO
	646	END DO ! imth
	647
	648	ALLOCATE(varyear_glo1D(klon_glo, klev_src, 12), stat=ierr)
	649	IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 3',1)
	650
	651	! Transform from 2D to 1D field
	652	CALL grid2Dto1D_glo(varyear,varyear_glo1D)
	653	CALL grid2Dto1D_glo(psurf_glo2D,psurf_glo1D)
	654	CALL grid2Dto1D_glo(load_glo2D,load_glo1D)
	655
	656	ENDIF
	657
	658	ELSE
	659	ALLOCATE(varyear_glo1D(0,0,0))
	660	END IF ! is_mpi_root .AND. is_omp_root
	661
	662	!$OMP BARRIER
	663
	664	! 6) Distribute to all processes
	665	! Scatter global field(klon_glo) to local process domain(klon)
	666	! and distribute klev_src to all processes
	667	!****************************************************************************************
	668
	669	! Distribute klev_src
	670	CALL bcast(klev_src)
	671
	672	! Allocate and distribute pt_ap and pt_b
	673	IF (.NOT. ASSOCIATED(pt_ap)) THEN ! if pt_ap is allocated also pt_b is allocated
	674	ALLOCATE(pt_ap(klev_src), pt_b(klev_src), stat=ierr)
	675	IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 4',1)
	676	END IF
	677	CALL bcast(pt_ap)
	678	CALL bcast(pt_b)
	679
	680	! Allocate space for output pointer variable at local process
	681	IF (ASSOCIATED(pt_year)) DEALLOCATE(pt_year)
	682	ALLOCATE(pt_year(klon, klev_src, 12), stat=ierr)
	683	ALLOCATE(pt_year_mpi(klon_mpi, klev_src, 12), stat=ierr)
	684	IF (ierr /= 0) CALL abort_physic('get_aero_fromfile', 'pb in allocation 5',1)
	685
	686	IF (grid_type==unstructured) THEN
	687	#ifdef CPP_XIOS
	688	IF (is_omp_master) THEN
	689	CALL xios_send_field(TRIM(varname)//"_in",varyear)
	690	CALL xios_recv_field(TRIM(varname)//"_out",pt_year_mpi)
	691	CALL xios_send_field("load_"//TRIM(varname)//"_in",load_glo2D)
	692	CALL xios_recv_field("load_"//TRIM(varname)//"_out",load_out_mpi)
[4103]	693	IF (.not. allocated(psurf_interp)) THEN
	694	! psurf_interp is a shared array
[3440]	695	ALLOCATE(psurf_interp(klon_mpi,12))
	696	CALL xios_send_field("psurf_aerosol_in",psurf_glo2D)
	697	CALL xios_recv_field("psurf_aerosol_out",psurf_interp)
	698	ENDIF
	699	ENDIF
	700	CALL scatter_omp(pt_year_mpi,pt_year)
	701	CALL scatter_omp(load_out_mpi,load_out)
	702	CALL scatter_omp(psurf_interp,psurf_out)
	703	first=.FALSE.
	704	#endif
	705	ELSE
	706	! Scatter global field to local domain at local process
	707	CALL scatter(varyear_glo1D, pt_year)
	708	CALL scatter(psurf_glo1D, psurf_out)
	709	CALL scatter(load_glo1D, load_out)
	710	ENDIF
	711	! 7) Test for negative values
	712	!****************************************************************************************
	713	IF (MINVAL(pt_year) < 0.) THEN
	714	WRITE(lunout,*) 'Warning! Negative values read from file :', fname
	715	END IF
	716
	717	END SUBROUTINE get_aero_fromfile
	718
	719
	720	SUBROUTINE check_err(status,text)
	721	USE netcdf
	722	USE print_control_mod, ONLY: lunout
	723	IMPLICIT NONE
	724
	725	INTEGER, INTENT (IN) :: status
	726	CHARACTER(len=*), INTENT (IN), OPTIONAL :: text
	727
	728	IF (status /= NF90_NOERR) THEN
	729	WRITE(lunout,*) 'Error in get_aero_fromfile, netcdf error code = ',status
	730	IF (PRESENT(text)) THEN
	731	WRITE(lunout,*) 'Error in get_aero_fromfile : ',text
	732	END IF
	733	CALL abort_physic('get_aero_fromfile',trim(nf90_strerror(status)),1)
	734	END IF
	735
	736	END SUBROUTINE check_err
	737
	738
	739	END MODULE readaerosol_mod

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