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source: palm/trunk/SOURCE/init_masks.f90 @ 3361

Last change on this file since 3361 was 3294, checked in by raasch, 6 years ago
modularization of the ocean code
Property svn:keywords set to `Id`
File size: 31.6 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 3294 2018-10-01 02:37:10Z knoop $
[3294]	27	! ocean renamed ocean_mode
	28	!
	29	! 3274 2018-09-24 15:42:55Z knoop
[3274]	30	! Modularization of all bulk cloud physics code components
	31	!
	32	! 3065 2018-06-12 07:03:02Z Giersch
[3065]	33	! dz_stretch_level was replaced by dz_stretch_level_start
	34	!
	35	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	36	! Error messages revised
	37	!
[3049]	38	! 3045 2018-05-28 07:55:41Z Giersch
	39	! Error messages revised
	40	!
[3045]	41	! 2718 2018-01-02 08:49:38Z maronga
[2716]	42	! Corrected "Former revisions" section
	43	!
	44	! 2696 2017-12-14 17:12:51Z kanani
	45	! Change in file header (GPL part)
	46	!
	47	! 2344 2017-08-09 11:00:34Z raasch
[2344]	48	! explicit setting of initial values for array domask required due to a bug
	49	! in the Cray compiler (appears only if option -eD is used)
	50	!
	51	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	52	! Bugfix: set variable name length to global value
	53	!
	54	!
[2292]	55	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	56	! includes two more prognostic equations for cloud drop concentration (nc)
	57	! and cloud water content (qc).
	58	!
	59	! 2271 2017-06-09 12:34:55Z sward
[2271]	60	! Changed error message
	61	!
	62	! 2101 2017-01-05 16:42:31Z suehring
[1321]	63	!
[2032]	64	! 2031 2016-10-21 15:11:58Z knoop
	65	! renamed variable rho to rho_ocean
	66	!
[2001]	67	! 2000 2016-08-20 18:09:15Z knoop
	68	! Forced header and separation lines into 80 columns
	69	!
[1823]	70	! 1822 2016-04-07 07:49:42Z hoffmann
	71	! icloud_scheme replaced by microphysics_*
	72	!
[1805]	73	! 1804 2016-04-05 16:30:18Z maronga
	74	! Removed code for parameter file check (__check)
	75	!
[1784]	76	! 1783 2016-03-06 18:36:17Z raasch
	77	! netcdf module name changed + related changes
	78	!
[1683]	79	! 1682 2015-10-07 23:56:08Z knoop
	80	! Code annotations made doxygen readable
	81	!
[1439]	82	! 1438 2014-07-22 14:14:06Z heinze
	83	! +nr, qc, qr
	84	!
[1415]	85	! 1414 2014-05-31 11:19:48Z gronemeier
	86	! Bugfix: first and last grid points as they appear in 3D volume data can now
	87	! be included to masked data output
	88	!
[1354]	89	! 1353 2014-04-08 15:21:23Z heinze
	90	! REAL constants provided with KIND-attribute
	91	!
[1325]	92	! 1324 2014-03-21 09:13:16Z suehring
	93	! Bugfix: ONLY statement for module netcdf_control removed
	94	!
[1321]	95	! 1320 2014-03-20 08:40:49Z raasch
[1320]	96	! ONLY-attribute added to USE-statements,
	97	! kind-parameters added to all INTEGER and REAL declaration statements,
	98	! kinds are defined in new module kinds,
	99	! revision history before 2012 removed,
	100	! comment fields (!:) to be used for variable explanations added to
	101	! all variable declaration statements
[298]	102	!
[1187]	103	! 1186 2013-06-18 06:22:52Z raasch
	104	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	105	! because a zero value does not work in case of ocean runs
	106	!
[1037]	107	! 1036 2012-10-22 13:43:42Z raasch
	108	! code put under GPL (PALM 3.9)
	109	!
[1033]	110	! 1032 2012-10-21 13:03:21Z letzel
	111	! mask locations determined based on scalar positions
	112	!
[1035]	113	! 1031 2012-10-19 14:35:30Z raasch
	114	! netCDF4 without parallel file support implemented
	115	!
[997]	116	! 996 2012-09-07 10:41:47Z raasch
	117	! little reformatting
	118	!
[979]	119	! 978 2012-08-09 08:28:32Z fricke
	120	! +z0h*
	121	!
[810]	122	! 809 2012-01-30 13:32:58Z maronga
	123	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	124	!
[808]	125	! 807 2012-01-25 11:53:51Z maronga
	126	! New cpp directive "__check" implemented which is used by check_namelist_files
	127	!
[449]	128	! 410 2009-12-04 17:05:40Z letzel
	129	! Initial revision
[298]	130	!
[449]	131	!
[298]	132	! Description:
	133	! ------------
[1682]	134	!> Initialize masked data output
[298]	135	!------------------------------------------------------------------------------!
[1682]	136	SUBROUTINE init_masks
[298]	137
[1320]	138	USE arrays_3d, &
	139	ONLY: zu, zw
	140
	141	USE control_parameters, &
[3274]	142	ONLY: constant_diffusion, cloud_droplets, &
[1320]	143	data_output_masks, data_output_masks_user, &
[3065]	144	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	145	humidity, mask, masks, mask_scale, mask_i, &
[1320]	146	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
	147	mask_loop, mask_size, mask_size_l, mask_start_l, mask_x, &
	148	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	149	mask_z_loop, max_masks, message_string, mid, &
[3294]	150	passive_scalar, ocean_mode, varnamelength
[1320]	151
[3274]	152
[1320]	153	USE grid_variables, &
	154	ONLY: dx, dy
	155
	156	USE indices, &
	157	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	158
	159	USE kinds
	160
[3274]	161	USE bulk_cloud_model_mod, &
	162	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
	163
[1783]	164	USE netcdf_interface, &
	165	ONLY: domask_unit, netcdf_data_format
[1320]	166
	167	USE particle_attributes, &
	168	ONLY: particle_advection
	169
[298]	170	USE pegrid
	171
	172	IMPLICIT NONE
	173
[2301]	174	CHARACTER (LEN=varnamelength) :: var !<
[1682]	175	CHARACTER (LEN=7) :: unit !<
[1320]	176
[2301]	177	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !<
	178	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !<
[298]	179
[1682]	180	INTEGER(iwp) :: i !<
	181	INTEGER(iwp) :: ilen !<
	182	INTEGER(iwp) :: ind(6) !<
	183	INTEGER(iwp) :: ind_array(1) !<
	184	INTEGER(iwp) :: j !<
	185	INTEGER(iwp) :: k !<
	186	INTEGER(iwp) :: n !<
	187	INTEGER(iwp) :: sender !<
[1320]	188
[1682]	189	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !<
[298]	190
[1682]	191	LOGICAL :: found !<
[2344]	192
[298]	193	!
[2344]	194	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	195	!-- in case of assignments of initial values in declaration statements for
	196	!-- arrays with more than 9999 elements (appears with -eD only)
	197	domask = ' '
	198
	199	!
[298]	200	!-- Allocation and initialization
[1414]	201	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	202
[1414]	203	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	204	mask_j(max_masks,nyn-nys+2), &
	205	mask_k(max_masks,nzt-nzb+2) )
[298]	206	!
	207	!-- internal mask arrays ("mask,dimension,selection")
	208	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	209	mask_loop(max_masks,3,3) )
[493]	210
[298]	211	!
[3045]	212	!-- Parallel mask output not yet supported. In check_parameters data format
	213	!-- is restricted and is switched back to non-parallel output. Therefore the
	214	!-- following error can not occur at the moment.
[1031]	215	IF ( netcdf_data_format > 4 ) THEN
[3045]	216	message_string = 'netCDF file formats '// &
	217	'5 and 6 (with parallel I/O support)'// &
	218	' are currently not supported.'
[564]	219	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	220	ENDIF
[553]	221
[298]	222	!
	223	!-- Store data output parameters for masked data output in few shared arrays
[996]	224	DO mid = 1, masks
[564]	225
[553]	226	do_mask (mid,:) = data_output_masks(mid,:)
	227	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	228	mask (mid,1,:) = mask_x(mid,:)
	229	mask (mid,2,:) = mask_y(mid,:)
	230	mask (mid,3,:) = mask_z(mid,:)
[564]	231
[1353]	232	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	233	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	234	mask_loop(mid,1,1:2) = -1.0_wp
	235	mask_loop(mid,1,3) = 0.0_wp
[564]	236	ELSE
	237	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	238	ENDIF
[1353]	239	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	240	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	241	mask_loop(mid,2,1:2) = -1.0_wp
	242	mask_loop(mid,2,3) = 0.0_wp
[564]	243	ELSE
	244	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	245	ENDIF
[1353]	246	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	247	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	248	mask_loop(mid,3,1:2) = -1.0_wp
	249	mask_loop(mid,3,3) = 0.0_wp
[564]	250	ELSE
	251	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	252	ENDIF
	253
[553]	254	ENDDO
	255
[298]	256	mask_i = -1; mask_j = -1; mask_k = -1
[553]	257
[298]	258	!
	259	!-- Global arrays are required by define_netcdf_header.
[1031]	260	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	261	ALLOCATE( mask_i_global(max_masks,nx+2), &
	262	mask_j_global(max_masks,ny+2), &
	263	mask_k_global(max_masks,nz+2) )
[298]	264	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	265	ENDIF
	266
	267	!
	268	!-- Determine variable names for each mask
	269	DO mid = 1, masks
	270	!
	271	!-- Append user-defined data output variables to the standard data output
	272	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	273	i = 1
	274	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	275	i = i + 1
	276	ENDDO
	277	j = 1
	278	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	279	IF ( i > 100 ) THEN
[3045]	280	WRITE ( message_string, * ) 'number of output quantitities ', &
	281	'given by data_output_mask and data_output_mask_user ', &
[298]	282	'exceeds the limit of 100'
[564]	283	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	284	ENDIF
	285	do_mask(mid,i) = do_mask_user(mid,j)
	286	i = i + 1
	287	j = j + 1
	288	ENDDO
	289	ENDIF
	290
	291	!
	292	!-- Check and set steering parameters for mask data output and averaging
	293	i = 1
[996]	294	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	295	!
	296	!-- Check for data averaging
	297	ilen = LEN_TRIM( do_mask(mid,i) )
	298	j = 0 ! no data averaging
	299	IF ( ilen > 3 ) THEN
	300	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	301	j = 1 ! data averaging
	302	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	303	ENDIF
	304	ENDIF
	305	var = TRIM( do_mask(mid,i) )
	306	!
	307	!-- Check for allowed value and set units
	308	SELECT CASE ( TRIM( var ) )
	309
	310	CASE ( 'e' )
	311	IF ( constant_diffusion ) THEN
[3045]	312	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	313	'" requires constant_diffusion = .FALSE.'
[564]	314	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	315	ENDIF
	316	unit = 'm2/s2'
	317
[771]	318	CASE ( 'lpt' )
[3274]	319	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	320	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	321	'" requires bulk_cloud_model = .TRUE.'
[773]	322	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	323	ENDIF
	324	unit = 'K'
	325
[2292]	326	CASE ( 'nc' )
[3274]	327	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	328	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	329	'" requires bulk_cloud_model = .TRUE.'
[2292]	330	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	331	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	332	message_string = 'output of "' // TRIM( var ) // '" ' // &
	333	'requires = morrison'
[2292]	334	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	335	ENDIF
	336	unit = '1/m3'
	337
[1438]	338	CASE ( 'nr' )
[3274]	339	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	340	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	341	'" requires bulk_cloud_model = .TRUE.'
[1438]	342	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	343	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	344	message_string = 'output of "' // TRIM( var ) // '"' // &
	345	'requires cloud_scheme = seifert_beheng'
[1438]	346	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	347	ENDIF
	348	unit = '1/m3'
	349
[298]	350	CASE ( 'pc', 'pr' )
	351	IF ( .NOT. particle_advection ) THEN
[3045]	352	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	353	'" requires a "particles_par"-NAMELIST in the ', &
[298]	354	'parameter file (PARIN)'
[564]	355	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	356	ENDIF
	357	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	358	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	359
	360	CASE ( 'q', 'vpt' )
	361	IF ( .NOT. humidity ) THEN
[3045]	362	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	363	'" requires humidity = .TRUE.'
[564]	364	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	365	ENDIF
	366	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	367	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	368
[1438]	369	CASE ( 'qc' )
[3274]	370	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	371	message_string = 'output of "' // TRIM( var ) // '"' // &
[3274]	372	'requires bulk_cloud_model = .TRUE.'
[1438]	373	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	374	ENDIF
	375	unit = 'kg/kg'
	376
[298]	377	CASE ( 'ql' )
[3274]	378	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
[3045]	379	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	380	'" requires bulk_cloud_model = .TRUE. or ', &
	381	'cloud_droplets = .TRUE.'
[3045]	382	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	383	ENDIF
	384	unit = 'kg/kg'
	385
	386	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	387	IF ( .NOT. cloud_droplets ) THEN
[3045]	388	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	389	'" requires cloud_droplets = .TRUE.'
[564]	390	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	391	ENDIF
	392	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	393	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	394	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	395
	396	CASE ( 'qv' )
[3274]	397	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	398	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	399	'" requires bulk_cloud_model = .TRUE.'
[564]	400	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	401	ENDIF
	402	unit = 'kg/kg'
	403
[1438]	404	CASE ( 'qr' )
[3274]	405	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	406	message_string = 'output of "' // TRIM( var ) // '" ' // &
[3274]	407	'requires bulk_cloud_model = .TRUE.'
[1438]	408	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	409	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	410	message_string = 'output of "' // TRIM( var ) // '" ' // &
	411	'requires cloud_scheme = seifert_beheng'
[1438]	412	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	413	ENDIF
	414	unit = 'kg/kg'
	415
[2031]	416	CASE ( 'rho_ocean' )
[3294]	417	IF ( .NOT. ocean_mode ) THEN
[3045]	418	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	419	'" requires ocean mode'
[564]	420	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	421	ENDIF
	422	unit = 'kg/m3'
	423
	424	CASE ( 's' )
	425	IF ( .NOT. passive_scalar ) THEN
[3045]	426	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	427	'" requires passive_scalar = .TRUE.'
[564]	428	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	429	ENDIF
	430	unit = 'conc'
	431
	432	CASE ( 'sa' )
[3294]	433	IF ( .NOT. ocean_mode ) THEN
[3045]	434	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	435	'" requires ocean mode'
[564]	436	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	437	ENDIF
	438	unit = 'psu'
	439
[978]	440	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	441	WRITE ( message_string, * ) 'illegal value for data_', &
	442	'output: "', TRIM( var ), '" is only allowed', &
[298]	443	'for horizontal cross section'
[564]	444	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	445
	446	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	447	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	448	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	449	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	450	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	451	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	452	CONTINUE
	453
	454	CASE DEFAULT
	455	CALL user_check_data_output( var, unit )
	456
	457	IF ( unit == 'illegal' ) THEN
	458	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	459	WRITE ( message_string, * ) 'illegal value for data_', &
	460	'output_masks or data_output_masks_user: "', &
[298]	461	TRIM( do_mask(mid,i) ), '"'
[3045]	462	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	463	ELSE
[3045]	464	WRITE ( message_string, * ) 'illegal value for data_', &
	465	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	466	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	467	ENDIF
	468	ENDIF
	469
	470	END SELECT
	471	!
	472	!-- Set the internal steering parameters appropriately
	473	domask_no(mid,j) = domask_no(mid,j) + 1
	474	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	475	domask_unit(mid,j,domask_no(mid,j)) = unit
	476
	477	IF ( j == 1 ) THEN
	478	!
	479	!-- Check, if variable is already subject to averaging
	480	found = .FALSE.
	481	DO k = 1, doav_n
	482	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	483	ENDDO
	484
	485	IF ( .NOT. found ) THEN
	486	doav_n = doav_n + 1
	487	doav(doav_n) = var
	488	ENDIF
	489	ENDIF
	490
	491	i = i + 1
	492
	493	ENDDO ! do_mask(mid,i)
	494	ENDDO ! mid
	495
	496
	497	!
	498	!-- Determine mask locations for each mask
	499	DO mid = 1, masks
	500	!
	501	!-- Set local masks for each subdomain along all three dimensions
	502	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	503	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3065]	504	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
[298]	505	!
	506	!-- Set global masks along all three dimensions (required by
	507	!-- define_netcdf_header).
[1804]	508	#if defined( __parallel )
[298]	509	!
	510	!-- PE0 receives partial arrays from all processors of the respective mask
	511	!-- and outputs them. Here a barrier has to be set, because otherwise
	512	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	513
[298]	514	CALL MPI_BARRIER( comm2d, ierr )
	515
	516	IF ( myid == 0 ) THEN
	517	!
	518	!-- Local arrays can be relocated directly.
	519	mask_i_global(mid,mask_start_l(mid,1): &
	520	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	521	mask_i(mid,:mask_size_l(mid,1))
	522	mask_j_global(mid,mask_start_l(mid,2): &
	523	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	524	mask_j(mid,:mask_size_l(mid,2))
	525	mask_k_global(mid,mask_start_l(mid,3): &
	526	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	527	mask_k(mid,:mask_size_l(mid,3))
	528	!
	529	!-- Receive data from all other PEs.
	530	DO n = 1, numprocs-1
	531	!
	532	!-- Receive index limits first, then arrays.
	533	!-- Index limits are received in arbitrary order from the PEs.
	534	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	535	comm2d, status, ierr )
	536	!
	537	!-- Not all PEs have data for the mask.
	538	IF ( ind(1) /= -9999 ) THEN
	539	sender = status(MPI_SOURCE)
	540	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	541	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	542	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	543	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	544	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	545	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	546	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	547	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	548	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	549	ENDIF
	550	ENDDO
	551
	552	ELSE
	553	!
	554	!-- If at least part of the mask resides on the PE, send the index limits
	555	!-- for the target array, otherwise send -9999 to PE0.
[996]	556	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	557	mask_size_l(mid,3) > 0 ) THEN
[298]	558	ind(1) = mask_start_l(mid,1)
	559	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	560	ind(3) = mask_start_l(mid,2)
	561	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	562	ind(5) = mask_start_l(mid,3)
	563	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	564	ELSE
	565	ind(1) = -9999; ind(2) = -9999
	566	ind(3) = -9999; ind(4) = -9999
	567	ind(5) = -9999; ind(6) = -9999
	568	ENDIF
	569	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	570	!
	571	!-- If applicable, send data to PE0.
	572	IF ( ind(1) /= -9999 ) THEN
	573	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	574	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	575	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	576	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	577	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	578	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	579	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	580	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	581	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	582	ENDIF
	583	ENDIF
	584	!
	585	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	586	!-- so that PE0 may receive wrong data on tag 0.
	587	CALL MPI_BARRIER( comm2d, ierr )
[409]	588
[1031]	589	IF ( netcdf_data_format > 4 ) THEN
[409]	590
[1414]	591	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	592	ierr )
[1414]	593	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	594	ierr )
[1414]	595	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	596	ierr )
[1682]	597
[409]	598	ENDIF
[298]	599
[1804]	600	#else
[298]	601	!
	602	!-- Local arrays can be relocated directly.
	603	mask_i_global(mid,:) = mask_i(mid,:)
	604	mask_j_global(mid,:) = mask_j(mid,:)
	605	mask_k_global(mid,:) = mask_k(mid,:)
	606	#endif
	607	ENDDO ! mid
	608
	609	DEALLOCATE( tmp_array )
	610	!
	611	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	612	!-- required for header output on PE 0.
	613	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	614
	615	CONTAINS
[493]	616
[298]	617	!------------------------------------------------------------------------------!
	618	! Description:
	619	! ------------
[1682]	620	!> Set local mask for each subdomain along 'dim' direction.
[298]	621	!------------------------------------------------------------------------------!
[1682]	622	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	623	lb, ub )
[298]	624
	625	IMPLICIT NONE
	626
[1682]	627	CHARACTER (LEN=2) :: dxyz_string !<
	628	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	629
[1682]	630	INTEGER(iwp) :: count !<
	631	INTEGER(iwp) :: count_l !<
	632	INTEGER(iwp) :: dim !<
	633	INTEGER(iwp) :: m !<
	634	INTEGER(iwp) :: loop_begin !<
	635	INTEGER(iwp) :: loop_end !<
	636	INTEGER(iwp) :: loop_stride !<
	637	INTEGER(iwp) :: lb !<
	638	INTEGER(iwp) :: nxyz !<
	639	INTEGER(iwp) :: ub !<
[1320]	640
[1682]	641	REAL(wp) :: dxyz !<
	642	REAL(wp) :: ddxyz !<
	643	REAL(wp) :: tmp1 !<
	644	REAL(wp) :: tmp2 !<
[298]	645
[1353]	646	count = 0; count_l = 0
	647	ddxyz = 1.0_wp / dxyz
	648	tmp1 = 0.0_wp
	649	tmp2 = 0.0_wp
[298]	650
[1353]	651	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	652	!
	653	!-- use predefined mask_* array
[1353]	654	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	655	count = count + 1
	656	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	657	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	658	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	659	ELSEIF ( dim == 3 ) THEN
	660	ind_array = &
[595]	661	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	662	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	663	ENDIF
[1414]	664	IF ( m > (nxyz+1) ) THEN
[3045]	665	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	666	m,' in mask ',mid,' along dimension ',dim, &
[1414]	667	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	668	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	669	ENDIF
[1414]	670	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	671	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	672	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	673	count_l = count_l + 1
	674	IF ( dim == 1 ) THEN
	675	mask_i(mid,count_l) = m
	676	ELSEIF ( dim == 2 ) THEN
	677	mask_j(mid,count_l) = m
	678	ELSEIF ( dim == 3 ) THEN
	679	mask_k(mid,count_l) = m
	680	ENDIF
	681	ENDIF
	682	IF ( count == mask_xyz_dimension ) EXIT
	683	ENDDO
	684	mask_size(mid,dim) = count
	685	mask_size_l(mid,dim) = count_l
	686
	687	ELSE
	688	!
	689	!-- use predefined mask_loop_* array, or use the default (all grid points
	690	!-- along this direction)
[1353]	691	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	692	tmp1 = mask_loop(mid,dim,1)
[1186]	693	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	694	ENDIF
	695	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	696	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	697	tmp2 = mask_loop(mid,dim,2)
[1414]	698	mask_loop(mid,dim,2) = (nxyz+1)*dxyz / mask_scale(dim) ! (default)
[298]	699	ENDIF
	700	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	701	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	702	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	703	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	704	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	705	mask_loop(mid,dim,2),' exceed (', &
	706	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	707	(nxyz+1)*dxyz/mask_scale(dim)
[564]	708	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	709	ENDIF
[3045]	710	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	711	* ddxyz - 0.5_wp )
[3045]	712	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	713	* ddxyz - 0.5_wp )
[3045]	714	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	715	* ddxyz )
[1414]	716	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	717	ELSEIF ( dim == 3 ) THEN
[1353]	718	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	719	tmp2 = mask_loop(mid,dim,2)
[1414]	720	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	721	ENDIF
	722	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	723	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	724	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	725	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	726	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	727	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	728	')=',zu(nz+1)/mask_scale(dim)
[564]	729	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	730	ENDIF
[303]	731	ind_array = &
[595]	732	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	733	loop_begin = &
[303]	734	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	735	ind_array = &
[595]	736	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	737	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	738	!
[303]	739	!-- The following line assumes a constant vertical grid spacing within
	740	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	741	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	742	!-- within the IF statement is necessary because the default value of
	743	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	744	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	745
[3065]	746	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	747	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	748	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	749	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	750	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	751	'.&Vertical mask locations will not ', &
[3045]	752	'match the desired heights within the stretching ', &
[2271]	753	'region.'
[564]	754	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	755	ENDIF
	756
[298]	757	ENDIF
	758	!
	759	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	760	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	761	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	762	!
	763	!-- The default stride +/-1 (every grid point) applies if
	764	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	765	IF ( loop_stride == 0 ) THEN
	766	IF ( loop_end >= loop_begin ) THEN
	767	loop_stride = 1
	768	ELSE
	769	loop_stride = -1
	770	ENDIF
	771	ENDIF
	772	DO m = loop_begin, loop_end, loop_stride
	773	count = count + 1
[1414]	774	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	775	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	776	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	777	count_l = count_l + 1
	778	IF ( dim == 1 ) THEN
	779	mask_i(mid,count_l) = m
	780	ELSEIF ( dim == 2 ) THEN
	781	mask_j(mid,count_l) = m
	782	ELSEIF ( dim == 3 ) THEN
	783	mask_k(mid,count_l) = m
	784	ENDIF
	785	ENDIF
	786	ENDDO
	787	mask_size(mid,dim) = count
	788	mask_size_l(mid,dim) = count_l
[1414]	789
[298]	790	ENDIF
	791
	792	END SUBROUTINE set_mask_locations
	793
	794	END SUBROUTINE init_masks

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