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source: palm/trunk/SOURCE/init_masks.f90 @ 3467

Last change on this file since 3467 was 3467, checked in by suehring, 5 years ago
Branch salsa @3446 re-integrated into trunk
Property svn:keywords set to `Id`
File size: 34.3 KB

Rev	Line
[1682]	1	!> @file init_masks.f90
[2000]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1036]	4	!
[2000]	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
[1036]	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[2718]	17	! Copyright 1997-2018 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[298]	21	! -----------------
[1805]	22	!
[3049]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_masks.f90 3467 2018-10-30 19:05:21Z suehring $
[3467]	27	! Implementation of a new aerosol module salsa.
	28	!
	29	! 3435 2018-10-26 18:25:44Z gronemeier
[3435]	30	! Add checks for chemistry and radiation model
	31	! Set indices for terrain-following masked output
	32	!
	33	! 3421 2018-10-24 18:39:32Z gronemeier
[3421]	34	! Renamed output variables
	35	!
	36	! 3419 2018-10-24 17:27:31Z gronemeier
[3294]	37	! ocean renamed ocean_mode
	38	!
	39	! 3274 2018-09-24 15:42:55Z knoop
[3274]	40	! Modularization of all bulk cloud physics code components
	41	!
	42	! 3065 2018-06-12 07:03:02Z Giersch
[3065]	43	! dz_stretch_level was replaced by dz_stretch_level_start
	44	!
	45	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	46	! Error messages revised
	47	!
[3049]	48	! 3045 2018-05-28 07:55:41Z Giersch
	49	! Error messages revised
	50	!
[3045]	51	! 2718 2018-01-02 08:49:38Z maronga
[2716]	52	! Corrected "Former revisions" section
	53	!
	54	! 2696 2017-12-14 17:12:51Z kanani
	55	! Change in file header (GPL part)
	56	!
	57	! 2344 2017-08-09 11:00:34Z raasch
[2344]	58	! explicit setting of initial values for array domask required due to a bug
	59	! in the Cray compiler (appears only if option -eD is used)
	60	!
	61	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	62	! Bugfix: set variable name length to global value
	63	!
	64	!
[2292]	65	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	66	! includes two more prognostic equations for cloud drop concentration (nc)
	67	! and cloud water content (qc).
	68	!
	69	! 2271 2017-06-09 12:34:55Z sward
[2271]	70	! Changed error message
	71	!
	72	! 2101 2017-01-05 16:42:31Z suehring
[1321]	73	!
[2032]	74	! 2031 2016-10-21 15:11:58Z knoop
	75	! renamed variable rho to rho_ocean
	76	!
[2001]	77	! 2000 2016-08-20 18:09:15Z knoop
	78	! Forced header and separation lines into 80 columns
	79	!
[1823]	80	! 1822 2016-04-07 07:49:42Z hoffmann
	81	! icloud_scheme replaced by microphysics_*
	82	!
[1805]	83	! 1804 2016-04-05 16:30:18Z maronga
	84	! Removed code for parameter file check (__check)
	85	!
[1784]	86	! 1783 2016-03-06 18:36:17Z raasch
	87	! netcdf module name changed + related changes
	88	!
[1683]	89	! 1682 2015-10-07 23:56:08Z knoop
	90	! Code annotations made doxygen readable
	91	!
[1439]	92	! 1438 2014-07-22 14:14:06Z heinze
	93	! +nr, qc, qr
	94	!
[1415]	95	! 1414 2014-05-31 11:19:48Z gronemeier
	96	! Bugfix: first and last grid points as they appear in 3D volume data can now
	97	! be included to masked data output
	98	!
[1354]	99	! 1353 2014-04-08 15:21:23Z heinze
	100	! REAL constants provided with KIND-attribute
	101	!
[1325]	102	! 1324 2014-03-21 09:13:16Z suehring
	103	! Bugfix: ONLY statement for module netcdf_control removed
	104	!
[1321]	105	! 1320 2014-03-20 08:40:49Z raasch
[1320]	106	! ONLY-attribute added to USE-statements,
	107	! kind-parameters added to all INTEGER and REAL declaration statements,
	108	! kinds are defined in new module kinds,
	109	! revision history before 2012 removed,
	110	! comment fields (!:) to be used for variable explanations added to
	111	! all variable declaration statements
[298]	112	!
[1187]	113	! 1186 2013-06-18 06:22:52Z raasch
	114	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	115	! because a zero value does not work in case of ocean runs
	116	!
[1037]	117	! 1036 2012-10-22 13:43:42Z raasch
	118	! code put under GPL (PALM 3.9)
	119	!
[1033]	120	! 1032 2012-10-21 13:03:21Z letzel
	121	! mask locations determined based on scalar positions
	122	!
[1035]	123	! 1031 2012-10-19 14:35:30Z raasch
	124	! netCDF4 without parallel file support implemented
	125	!
[997]	126	! 996 2012-09-07 10:41:47Z raasch
	127	! little reformatting
	128	!
[979]	129	! 978 2012-08-09 08:28:32Z fricke
	130	! +z0h*
	131	!
[810]	132	! 809 2012-01-30 13:32:58Z maronga
	133	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	134	!
[808]	135	! 807 2012-01-25 11:53:51Z maronga
	136	! New cpp directive "__check" implemented which is used by check_namelist_files
	137	!
[449]	138	! 410 2009-12-04 17:05:40Z letzel
	139	! Initial revision
[298]	140	!
[449]	141	!
[298]	142	! Description:
	143	! ------------
[1682]	144	!> Initialize masked data output
[298]	145	!------------------------------------------------------------------------------!
[1682]	146	SUBROUTINE init_masks
[298]	147
[1320]	148	USE arrays_3d, &
	149	ONLY: zu, zw
	150
[3435]	151	USE bulk_cloud_model_mod, &
	152	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
	153
	154	USE chemistry_model_mod, &
	155	ONLY: chem_check_data_output
	156
[1320]	157	USE control_parameters, &
[3435]	158	ONLY: air_chemistry, &
	159	constant_diffusion, cloud_droplets, &
[1320]	160	data_output_masks, data_output_masks_user, &
[3065]	161	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	162	humidity, mask, masks, mask_scale, mask_i, &
[1320]	163	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
[3435]	164	mask_k_over_surface, &
	165	mask_loop, mask_size, mask_size_l, mask_start_l, &
	166	mask_surface, mask_x, &
[1320]	167	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	168	mask_z_loop, max_masks, message_string, mid, &
[3294]	169	passive_scalar, ocean_mode, varnamelength
[1320]	170
	171	USE grid_variables, &
	172	ONLY: dx, dy
	173
	174	USE indices, &
	175	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	176
	177	USE kinds
	178
[1783]	179	USE netcdf_interface, &
	180	ONLY: domask_unit, netcdf_data_format
[1320]	181
	182	USE particle_attributes, &
	183	ONLY: particle_advection
	184
[3467]	185	USE pegrid
[298]	186
[3435]	187	USE radiation_model_mod, &
	188	ONLY: radiation, radiation_check_data_output
[3467]	189
	190	USE salsa_mod, &
	191	ONLY: salsa, salsa_check_data_output
[3435]	192
[298]	193	IMPLICIT NONE
	194
[2301]	195	CHARACTER (LEN=varnamelength) :: var !<
[1682]	196	CHARACTER (LEN=7) :: unit !<
[1320]	197
[2301]	198	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !<
	199	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !<
[298]	200
[3435]	201	INTEGER(iwp) :: count !< counting masking indices along a dimension
[1682]	202	INTEGER(iwp) :: i !<
	203	INTEGER(iwp) :: ilen !<
	204	INTEGER(iwp) :: ind(6) !<
	205	INTEGER(iwp) :: ind_array(1) !<
	206	INTEGER(iwp) :: j !<
	207	INTEGER(iwp) :: k !<
[3435]	208	INTEGER(iwp) :: m !< mask index
[1682]	209	INTEGER(iwp) :: n !<
	210	INTEGER(iwp) :: sender !<
[1320]	211
[1682]	212	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !<
[298]	213
[1682]	214	LOGICAL :: found !<
[2344]	215
[298]	216	!
[2344]	217	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	218	!-- in case of assignments of initial values in declaration statements for
	219	!-- arrays with more than 9999 elements (appears with -eD only)
	220	domask = ' '
	221
	222	!
[298]	223	!-- Allocation and initialization
[1414]	224	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	225
[1414]	226	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	227	mask_j(max_masks,nyn-nys+2), &
	228	mask_k(max_masks,nzt-nzb+2) )
[298]	229	!
	230	!-- internal mask arrays ("mask,dimension,selection")
	231	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	232	mask_loop(max_masks,3,3) )
[493]	233
[298]	234	!
[3045]	235	!-- Parallel mask output not yet supported. In check_parameters data format
	236	!-- is restricted and is switched back to non-parallel output. Therefore the
	237	!-- following error can not occur at the moment.
[1031]	238	IF ( netcdf_data_format > 4 ) THEN
[3045]	239	message_string = 'netCDF file formats '// &
	240	'5 and 6 (with parallel I/O support)'// &
	241	' are currently not supported.'
[564]	242	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	243	ENDIF
[553]	244
[298]	245	!
	246	!-- Store data output parameters for masked data output in few shared arrays
[996]	247	DO mid = 1, masks
[564]	248
[553]	249	do_mask (mid,:) = data_output_masks(mid,:)
	250	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	251	mask (mid,1,:) = mask_x(mid,:)
	252	mask (mid,2,:) = mask_y(mid,:)
	253	mask (mid,3,:) = mask_z(mid,:)
[3435]	254	!
	255	!-- Flag a mask as terrain following
	256	IF ( mask_k_over_surface(mid,1) /= -1_iwp ) THEN
	257	mask_surface(mid) = .TRUE.
	258	ENDIF
	259
[1353]	260	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	261	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	262	mask_loop(mid,1,1:2) = -1.0_wp
	263	mask_loop(mid,1,3) = 0.0_wp
[564]	264	ELSE
	265	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	266	ENDIF
[1353]	267	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	268	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	269	mask_loop(mid,2,1:2) = -1.0_wp
	270	mask_loop(mid,2,3) = 0.0_wp
[564]	271	ELSE
	272	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	273	ENDIF
[1353]	274	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	275	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	276	mask_loop(mid,3,1:2) = -1.0_wp
	277	mask_loop(mid,3,3) = 0.0_wp
[564]	278	ELSE
	279	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	280	ENDIF
	281
[553]	282	ENDDO
	283
[298]	284	mask_i = -1; mask_j = -1; mask_k = -1
[553]	285
[298]	286	!
	287	!-- Global arrays are required by define_netcdf_header.
[1031]	288	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	289	ALLOCATE( mask_i_global(max_masks,nx+2), &
	290	mask_j_global(max_masks,ny+2), &
	291	mask_k_global(max_masks,nz+2) )
[298]	292	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	293	ENDIF
	294
	295	!
	296	!-- Determine variable names for each mask
	297	DO mid = 1, masks
	298	!
	299	!-- Append user-defined data output variables to the standard data output
	300	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	301	i = 1
	302	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	303	i = i + 1
	304	ENDDO
	305	j = 1
	306	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	307	IF ( i > 100 ) THEN
[3045]	308	WRITE ( message_string, * ) 'number of output quantitities ', &
	309	'given by data_output_mask and data_output_mask_user ', &
[298]	310	'exceeds the limit of 100'
[564]	311	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	312	ENDIF
	313	do_mask(mid,i) = do_mask_user(mid,j)
	314	i = i + 1
	315	j = j + 1
	316	ENDDO
	317	ENDIF
	318
	319	!
	320	!-- Check and set steering parameters for mask data output and averaging
	321	i = 1
[996]	322	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	323	!
	324	!-- Check for data averaging
	325	ilen = LEN_TRIM( do_mask(mid,i) )
	326	j = 0 ! no data averaging
	327	IF ( ilen > 3 ) THEN
	328	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	329	j = 1 ! data averaging
	330	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	331	ENDIF
	332	ENDIF
	333	var = TRIM( do_mask(mid,i) )
	334	!
	335	!-- Check for allowed value and set units
	336	SELECT CASE ( TRIM( var ) )
	337
	338	CASE ( 'e' )
	339	IF ( constant_diffusion ) THEN
[3045]	340	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	341	'" requires constant_diffusion = .FALSE.'
[564]	342	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	343	ENDIF
	344	unit = 'm2/s2'
	345
[3421]	346	CASE ( 'thetal' )
[3274]	347	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	348	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	349	'" requires bulk_cloud_model = .TRUE.'
[773]	350	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	351	ENDIF
	352	unit = 'K'
	353
[2292]	354	CASE ( 'nc' )
[3274]	355	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	356	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	357	'" requires bulk_cloud_model = .TRUE.'
[2292]	358	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	359	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	360	message_string = 'output of "' // TRIM( var ) // '" ' // &
	361	'requires = morrison'
[2292]	362	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	363	ENDIF
	364	unit = '1/m3'
	365
[1438]	366	CASE ( 'nr' )
[3274]	367	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	368	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	369	'" requires bulk_cloud_model = .TRUE.'
[1438]	370	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	371	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	372	message_string = 'output of "' // TRIM( var ) // '"' // &
	373	'requires cloud_scheme = seifert_beheng'
[1438]	374	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	375	ENDIF
	376	unit = '1/m3'
	377
[298]	378	CASE ( 'pc', 'pr' )
	379	IF ( .NOT. particle_advection ) THEN
[3045]	380	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	381	'" requires a "particles_par"-NAMELIST in the ', &
[298]	382	'parameter file (PARIN)'
[564]	383	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	384	ENDIF
	385	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	386	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	387
[3421]	388	CASE ( 'q', 'thetav' )
[298]	389	IF ( .NOT. humidity ) THEN
[3045]	390	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	391	'" requires humidity = .TRUE.'
[564]	392	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	393	ENDIF
	394	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
[3421]	395	IF ( TRIM( var ) == 'thetav' ) unit = 'K'
[298]	396
[1438]	397	CASE ( 'qc' )
[3274]	398	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	399	message_string = 'output of "' // TRIM( var ) // '"' // &
[3274]	400	'requires bulk_cloud_model = .TRUE.'
[1438]	401	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	402	ENDIF
	403	unit = 'kg/kg'
	404
[298]	405	CASE ( 'ql' )
[3274]	406	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
[3045]	407	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	408	'" requires bulk_cloud_model = .TRUE. or ', &
	409	'cloud_droplets = .TRUE.'
[3045]	410	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	411	ENDIF
	412	unit = 'kg/kg'
	413
	414	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	415	IF ( .NOT. cloud_droplets ) THEN
[3045]	416	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	417	'" requires cloud_droplets = .TRUE.'
[564]	418	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	419	ENDIF
	420	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	421	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	422	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	423
	424	CASE ( 'qv' )
[3274]	425	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	426	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	427	'" requires bulk_cloud_model = .TRUE.'
[564]	428	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	429	ENDIF
	430	unit = 'kg/kg'
	431
[1438]	432	CASE ( 'qr' )
[3274]	433	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	434	message_string = 'output of "' // TRIM( var ) // '" ' // &
[3274]	435	'requires bulk_cloud_model = .TRUE.'
[1438]	436	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	437	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	438	message_string = 'output of "' // TRIM( var ) // '" ' // &
	439	'requires cloud_scheme = seifert_beheng'
[1438]	440	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	441	ENDIF
	442	unit = 'kg/kg'
	443
[3421]	444	CASE ( 'rho_sea_water' )
[3294]	445	IF ( .NOT. ocean_mode ) THEN
[3045]	446	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	447	'" requires ocean mode'
[564]	448	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	449	ENDIF
	450	unit = 'kg/m3'
	451
	452	CASE ( 's' )
	453	IF ( .NOT. passive_scalar ) THEN
[3045]	454	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	455	'" requires passive_scalar = .TRUE.'
[564]	456	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	457	ENDIF
	458	unit = 'conc'
	459
	460	CASE ( 'sa' )
[3294]	461	IF ( .NOT. ocean_mode ) THEN
[3045]	462	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	463	'" requires ocean mode'
[564]	464	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	465	ENDIF
	466	unit = 'psu'
	467
[3421]	468	CASE ( 'us', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	469	WRITE ( message_string, * ) 'illegal value for data_', &
	470	'output: "', TRIM( var ), '" is only allowed', &
[298]	471	'for horizontal cross section'
[564]	472	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	473
[3421]	474	CASE ( 'p', 'theta', 'u', 'v', 'w' )
[298]	475	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
[3421]	476	IF ( TRIM( var ) == 'theta' ) unit = 'K'
[298]	477	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	478	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	479	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	480	CONTINUE
	481
	482	CASE DEFAULT
[3435]	483
[298]	484	CALL user_check_data_output( var, unit )
[3467]	485
	486	IF ( salsa ) THEN
	487	CALL salsa_check_data_output( var, unit )
	488	ENDIF
[298]	489
[3435]	490	IF ( unit == 'illegal' .AND. air_chemistry &
	491	.AND. (var(1:3) == 'kc_' .OR. var(1:3) == 'em_') ) THEN
	492	CALL chem_check_data_output( var, unit, 0, 0, 0 )
	493	ENDIF
	494
[298]	495	IF ( unit == 'illegal' ) THEN
[3435]	496	CALL radiation_check_data_output( var, unit, 0, 0, 0 )
	497	ENDIF
	498
	499	IF ( unit == 'illegal' ) THEN
[298]	500	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	501	WRITE ( message_string, * ) 'illegal value for data_', &
	502	'output_masks or data_output_masks_user: "', &
[298]	503	TRIM( do_mask(mid,i) ), '"'
[3045]	504	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	505	ELSE
[3045]	506	WRITE ( message_string, * ) 'illegal value for data_', &
	507	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	508	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	509	ENDIF
	510	ENDIF
	511
	512	END SELECT
	513	!
	514	!-- Set the internal steering parameters appropriately
	515	domask_no(mid,j) = domask_no(mid,j) + 1
	516	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	517	domask_unit(mid,j,domask_no(mid,j)) = unit
	518
	519	IF ( j == 1 ) THEN
	520	!
	521	!-- Check, if variable is already subject to averaging
	522	found = .FALSE.
	523	DO k = 1, doav_n
	524	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	525	ENDDO
	526
	527	IF ( .NOT. found ) THEN
	528	doav_n = doav_n + 1
	529	doav(doav_n) = var
	530	ENDIF
	531	ENDIF
	532
	533	i = i + 1
	534
	535	ENDDO ! do_mask(mid,i)
	536	ENDDO ! mid
	537
	538
	539	!
	540	!-- Determine mask locations for each mask
	541	DO mid = 1, masks
	542	!
	543	!-- Set local masks for each subdomain along all three dimensions
	544	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	545	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3435]	546	IF ( .NOT. mask_surface(mid) ) THEN
	547	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
	548	ELSE
[298]	549	!
[3435]	550	!-- Set vertical mask locations and size in case of terrain-following
	551	!-- output
	552	count = 0
	553	DO WHILE ( mask_k_over_surface(mid, count+1) >= 0 )
	554	m = mask_k_over_surface(mid, count+1)
	555	IF ( m > nz+1 ) THEN
	556	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	557	m,' in mask ',mid,' along dimension ', 3, &
	558	' exceeds (nz+1) = ',nz+1
	559	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
	560	ENDIF
	561	count = count + 1
	562	mask_k(mid,count) = mask_k_over_surface(mid, count)
	563	IF ( count == mask_xyz_dimension ) EXIT
	564	ENDDO
	565	mask_start_l(mid,3) = 1
	566	mask_size(mid,3) = count
	567	mask_size_l(mid,3) = count
	568	ENDIF
	569	!
[298]	570	!-- Set global masks along all three dimensions (required by
	571	!-- define_netcdf_header).
[1804]	572	#if defined( __parallel )
[298]	573	!
	574	!-- PE0 receives partial arrays from all processors of the respective mask
	575	!-- and outputs them. Here a barrier has to be set, because otherwise
	576	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	577
[298]	578	CALL MPI_BARRIER( comm2d, ierr )
	579
	580	IF ( myid == 0 ) THEN
	581	!
	582	!-- Local arrays can be relocated directly.
	583	mask_i_global(mid,mask_start_l(mid,1): &
	584	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	585	mask_i(mid,:mask_size_l(mid,1))
	586	mask_j_global(mid,mask_start_l(mid,2): &
	587	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	588	mask_j(mid,:mask_size_l(mid,2))
	589	mask_k_global(mid,mask_start_l(mid,3): &
	590	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	591	mask_k(mid,:mask_size_l(mid,3))
	592	!
	593	!-- Receive data from all other PEs.
	594	DO n = 1, numprocs-1
	595	!
	596	!-- Receive index limits first, then arrays.
	597	!-- Index limits are received in arbitrary order from the PEs.
	598	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	599	comm2d, status, ierr )
	600	!
	601	!-- Not all PEs have data for the mask.
	602	IF ( ind(1) /= -9999 ) THEN
	603	sender = status(MPI_SOURCE)
	604	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	605	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	606	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	607	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	608	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	609	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	610	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	611	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	612	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	613	ENDIF
	614	ENDDO
	615
	616	ELSE
	617	!
	618	!-- If at least part of the mask resides on the PE, send the index limits
	619	!-- for the target array, otherwise send -9999 to PE0.
[996]	620	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	621	mask_size_l(mid,3) > 0 ) THEN
[298]	622	ind(1) = mask_start_l(mid,1)
	623	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	624	ind(3) = mask_start_l(mid,2)
	625	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	626	ind(5) = mask_start_l(mid,3)
	627	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	628	ELSE
	629	ind(1) = -9999; ind(2) = -9999
	630	ind(3) = -9999; ind(4) = -9999
	631	ind(5) = -9999; ind(6) = -9999
	632	ENDIF
	633	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	634	!
	635	!-- If applicable, send data to PE0.
	636	IF ( ind(1) /= -9999 ) THEN
	637	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	638	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	639	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	640	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	641	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	642	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	643	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	644	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	645	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	646	ENDIF
	647	ENDIF
	648	!
	649	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	650	!-- so that PE0 may receive wrong data on tag 0.
	651	CALL MPI_BARRIER( comm2d, ierr )
[409]	652
[1031]	653	IF ( netcdf_data_format > 4 ) THEN
[409]	654
[1414]	655	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	656	ierr )
[1414]	657	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	658	ierr )
[1414]	659	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	660	ierr )
[1682]	661
[409]	662	ENDIF
[298]	663
[1804]	664	#else
[298]	665	!
	666	!-- Local arrays can be relocated directly.
	667	mask_i_global(mid,:) = mask_i(mid,:)
	668	mask_j_global(mid,:) = mask_j(mid,:)
	669	mask_k_global(mid,:) = mask_k(mid,:)
	670	#endif
	671	ENDDO ! mid
	672
	673	DEALLOCATE( tmp_array )
	674	!
	675	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	676	!-- required for header output on PE 0.
	677	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	678
	679	CONTAINS
[493]	680
[298]	681	!------------------------------------------------------------------------------!
	682	! Description:
	683	! ------------
[1682]	684	!> Set local mask for each subdomain along 'dim' direction.
[298]	685	!------------------------------------------------------------------------------!
[1682]	686	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	687	lb, ub )
[298]	688
	689	IMPLICIT NONE
	690
[1682]	691	CHARACTER (LEN=2) :: dxyz_string !<
	692	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	693
[1682]	694	INTEGER(iwp) :: count !<
	695	INTEGER(iwp) :: count_l !<
	696	INTEGER(iwp) :: dim !<
	697	INTEGER(iwp) :: m !<
	698	INTEGER(iwp) :: loop_begin !<
	699	INTEGER(iwp) :: loop_end !<
	700	INTEGER(iwp) :: loop_stride !<
	701	INTEGER(iwp) :: lb !<
	702	INTEGER(iwp) :: nxyz !<
	703	INTEGER(iwp) :: ub !<
[1320]	704
[1682]	705	REAL(wp) :: dxyz !<
	706	REAL(wp) :: ddxyz !<
	707	REAL(wp) :: tmp1 !<
	708	REAL(wp) :: tmp2 !<
[298]	709
[1353]	710	count = 0; count_l = 0
	711	ddxyz = 1.0_wp / dxyz
	712	tmp1 = 0.0_wp
	713	tmp2 = 0.0_wp
[298]	714
[1353]	715	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	716	!
	717	!-- use predefined mask_* array
[1353]	718	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	719	count = count + 1
	720	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	721	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	722	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	723	ELSEIF ( dim == 3 ) THEN
	724	ind_array = &
[595]	725	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	726	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	727	ENDIF
[1414]	728	IF ( m > (nxyz+1) ) THEN
[3045]	729	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	730	m,' in mask ',mid,' along dimension ',dim, &
[1414]	731	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	732	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	733	ENDIF
[1414]	734	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	735	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	736	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	737	count_l = count_l + 1
	738	IF ( dim == 1 ) THEN
	739	mask_i(mid,count_l) = m
	740	ELSEIF ( dim == 2 ) THEN
	741	mask_j(mid,count_l) = m
	742	ELSEIF ( dim == 3 ) THEN
	743	mask_k(mid,count_l) = m
	744	ENDIF
	745	ENDIF
	746	IF ( count == mask_xyz_dimension ) EXIT
	747	ENDDO
	748	mask_size(mid,dim) = count
	749	mask_size_l(mid,dim) = count_l
	750
	751	ELSE
	752	!
	753	!-- use predefined mask_loop_* array, or use the default (all grid points
	754	!-- along this direction)
[1353]	755	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	756	tmp1 = mask_loop(mid,dim,1)
[1186]	757	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	758	ENDIF
	759	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	760	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	761	tmp2 = mask_loop(mid,dim,2)
[1414]	762	mask_loop(mid,dim,2) = (nxyz+1)*dxyz / mask_scale(dim) ! (default)
[298]	763	ENDIF
	764	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	765	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	766	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	767	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	768	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	769	mask_loop(mid,dim,2),' exceed (', &
	770	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	771	(nxyz+1)*dxyz/mask_scale(dim)
[564]	772	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	773	ENDIF
[3045]	774	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	775	* ddxyz - 0.5_wp )
[3045]	776	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	777	* ddxyz - 0.5_wp )
[3045]	778	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	779	* ddxyz )
[1414]	780	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	781	ELSEIF ( dim == 3 ) THEN
[1353]	782	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	783	tmp2 = mask_loop(mid,dim,2)
[1414]	784	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	785	ENDIF
	786	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	787	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	788	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	789	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	790	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	791	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	792	')=',zu(nz+1)/mask_scale(dim)
[564]	793	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	794	ENDIF
[303]	795	ind_array = &
[595]	796	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	797	loop_begin = &
[303]	798	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	799	ind_array = &
[595]	800	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	801	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	802	!
[303]	803	!-- The following line assumes a constant vertical grid spacing within
	804	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	805	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	806	!-- within the IF statement is necessary because the default value of
	807	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	808	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	809
[3065]	810	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	811	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	812	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	813	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	814	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	815	'.&Vertical mask locations will not ', &
[3045]	816	'match the desired heights within the stretching ', &
[2271]	817	'region.'
[564]	818	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	819	ENDIF
	820
[298]	821	ENDIF
	822	!
	823	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	824	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	825	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	826	!
	827	!-- The default stride +/-1 (every grid point) applies if
	828	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	829	IF ( loop_stride == 0 ) THEN
	830	IF ( loop_end >= loop_begin ) THEN
	831	loop_stride = 1
	832	ELSE
	833	loop_stride = -1
	834	ENDIF
	835	ENDIF
	836	DO m = loop_begin, loop_end, loop_stride
	837	count = count + 1
[1414]	838	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	839	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	840	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	841	count_l = count_l + 1
	842	IF ( dim == 1 ) THEN
	843	mask_i(mid,count_l) = m
	844	ELSEIF ( dim == 2 ) THEN
	845	mask_j(mid,count_l) = m
	846	ELSEIF ( dim == 3 ) THEN
	847	mask_k(mid,count_l) = m
	848	ENDIF
	849	ENDIF
	850	ENDDO
	851	mask_size(mid,dim) = count
	852	mask_size_l(mid,dim) = count_l
[1414]	853
[298]	854	ENDIF
	855
	856	END SUBROUTINE set_mask_locations
	857
	858	END SUBROUTINE init_masks

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