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source: palm/trunk/SOURCE/init_masks.f90 @ 2293

Last change on this file since 2293 was 2292, checked in by schwenkel, 7 years ago
implementation of new bulk microphysics scheme
Property svn:keywords set to `Id`
File size: 29.9 KB

Rev	Line
[1682]	1	!> @file init_masks.f90
[2000]	2	!------------------------------------------------------------------------------!
[1036]	3	! This file is part of PALM.
	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	!
[2101]	17	! Copyright 1997-2017 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[298]	21	! -----------------
[1805]	22	!
[2032]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_masks.f90 2292 2017-06-20 09:51:42Z suehring $
[2292]	27	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	28	! includes two more prognostic equations for cloud drop concentration (nc)
	29	! and cloud water content (qc).
	30	!
	31	! 2271 2017-06-09 12:34:55Z sward
[2271]	32	! Changed error message
	33	!
	34	! 2101 2017-01-05 16:42:31Z suehring
[1321]	35	!
[2032]	36	! 2031 2016-10-21 15:11:58Z knoop
	37	! renamed variable rho to rho_ocean
	38	!
[2001]	39	! 2000 2016-08-20 18:09:15Z knoop
	40	! Forced header and separation lines into 80 columns
	41	!
[1823]	42	! 1822 2016-04-07 07:49:42Z hoffmann
	43	! icloud_scheme replaced by microphysics_*
	44	!
[1805]	45	! 1804 2016-04-05 16:30:18Z maronga
	46	! Removed code for parameter file check (__check)
	47	!
[1784]	48	! 1783 2016-03-06 18:36:17Z raasch
	49	! netcdf module name changed + related changes
	50	!
[1683]	51	! 1682 2015-10-07 23:56:08Z knoop
	52	! Code annotations made doxygen readable
	53	!
[1439]	54	! 1438 2014-07-22 14:14:06Z heinze
	55	! +nr, qc, qr
	56	!
[1415]	57	! 1414 2014-05-31 11:19:48Z gronemeier
	58	! Bugfix: first and last grid points as they appear in 3D volume data can now
	59	! be included to masked data output
	60	!
[1354]	61	! 1353 2014-04-08 15:21:23Z heinze
	62	! REAL constants provided with KIND-attribute
	63	!
[1325]	64	! 1324 2014-03-21 09:13:16Z suehring
	65	! Bugfix: ONLY statement for module netcdf_control removed
	66	!
[1321]	67	! 1320 2014-03-20 08:40:49Z raasch
[1320]	68	! ONLY-attribute added to USE-statements,
	69	! kind-parameters added to all INTEGER and REAL declaration statements,
	70	! kinds are defined in new module kinds,
	71	! revision history before 2012 removed,
	72	! comment fields (!:) to be used for variable explanations added to
	73	! all variable declaration statements
[298]	74	!
[1187]	75	! 1186 2013-06-18 06:22:52Z raasch
	76	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	77	! because a zero value does not work in case of ocean runs
	78	!
[1037]	79	! 1036 2012-10-22 13:43:42Z raasch
	80	! code put under GPL (PALM 3.9)
	81	!
[1033]	82	! 1032 2012-10-21 13:03:21Z letzel
	83	! mask locations determined based on scalar positions
	84	!
[1035]	85	! 1031 2012-10-19 14:35:30Z raasch
	86	! netCDF4 without parallel file support implemented
	87	!
[997]	88	! 996 2012-09-07 10:41:47Z raasch
	89	! little reformatting
	90	!
[979]	91	! 978 2012-08-09 08:28:32Z fricke
	92	! +z0h*
	93	!
[810]	94	! 809 2012-01-30 13:32:58Z maronga
	95	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	96	!
[808]	97	! 807 2012-01-25 11:53:51Z maronga
	98	! New cpp directive "__check" implemented which is used by check_namelist_files
	99	!
[449]	100	! 410 2009-12-04 17:05:40Z letzel
	101	! Initial revision
[298]	102	!
[449]	103	!
[298]	104	! Description:
	105	! ------------
[1682]	106	!> Initialize masked data output
[298]	107	!------------------------------------------------------------------------------!
[1682]	108	SUBROUTINE init_masks
[298]	109
[1320]	110	USE arrays_3d, &
	111	ONLY: zu, zw
	112
	113	USE control_parameters, &
	114	ONLY: constant_diffusion, cloud_droplets, cloud_physics, &
	115	data_output_masks, data_output_masks_user, &
	116	doav, doav_n, domask, domask_no, dz, dz_stretch_level, humidity,&
[1822]	117	mask, masks, mask_scale, mask_i, &
[1320]	118	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
	119	mask_loop, mask_size, mask_size_l, mask_start_l, mask_x, &
	120	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	121	mask_z_loop, max_masks, message_string, mid, &
[2292]	122	microphysics_morrison, microphysics_seifert, passive_scalar, &
	123	ocean
[1320]	124
	125	USE grid_variables, &
	126	ONLY: dx, dy
	127
	128	USE indices, &
	129	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	130
	131	USE kinds
	132
[1783]	133	USE netcdf_interface, &
	134	ONLY: domask_unit, netcdf_data_format
[1320]	135
	136	USE particle_attributes, &
	137	ONLY: particle_advection
	138
[298]	139	USE pegrid
	140
	141	IMPLICIT NONE
	142
[1682]	143	CHARACTER (LEN=6) :: var !<
	144	CHARACTER (LEN=7) :: unit !<
[1320]	145
[1682]	146	CHARACTER (LEN=10), DIMENSION(max_masks,100) :: do_mask !<
	147	CHARACTER (LEN=10), DIMENSION(max_masks,100) :: do_mask_user !<
[298]	148
[1682]	149	INTEGER(iwp) :: i !<
	150	INTEGER(iwp) :: ilen !<
	151	INTEGER(iwp) :: ind(6) !<
	152	INTEGER(iwp) :: ind_array(1) !<
	153	INTEGER(iwp) :: j !<
	154	INTEGER(iwp) :: k !<
	155	INTEGER(iwp) :: n !<
	156	INTEGER(iwp) :: sender !<
[1320]	157
[1682]	158	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !<
[298]	159
[1682]	160	LOGICAL :: found !<
[298]	161	!
	162	!-- Allocation and initialization
[1414]	163	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	164
[1414]	165	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	166	mask_j(max_masks,nyn-nys+2), &
	167	mask_k(max_masks,nzt-nzb+2) )
[298]	168	!
	169	!-- internal mask arrays ("mask,dimension,selection")
	170	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	171	mask_loop(max_masks,3,3) )
[493]	172
[298]	173	!
[493]	174	!-- Parallel mask output not yet tested
[1031]	175	IF ( netcdf_data_format > 4 ) THEN
[996]	176	message_string = 'netCDF file formats '// &
	177	'3 (netCDF 4) and 4 (netCDF 4 Classic model)'// &
[493]	178	'&are currently not supported (not yet tested).'
[564]	179	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	180	ENDIF
[553]	181
[298]	182	!
	183	!-- Store data output parameters for masked data output in few shared arrays
[996]	184	DO mid = 1, masks
[564]	185
[553]	186	do_mask (mid,:) = data_output_masks(mid,:)
	187	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	188	mask (mid,1,:) = mask_x(mid,:)
	189	mask (mid,2,:) = mask_y(mid,:)
	190	mask (mid,3,:) = mask_z(mid,:)
[564]	191
[1353]	192	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	193	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	194	mask_loop(mid,1,1:2) = -1.0_wp
	195	mask_loop(mid,1,3) = 0.0_wp
[564]	196	ELSE
	197	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	198	ENDIF
[1353]	199	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	200	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	201	mask_loop(mid,2,1:2) = -1.0_wp
	202	mask_loop(mid,2,3) = 0.0_wp
[564]	203	ELSE
	204	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	205	ENDIF
[1353]	206	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	207	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	208	mask_loop(mid,3,1:2) = -1.0_wp
	209	mask_loop(mid,3,3) = 0.0_wp
[564]	210	ELSE
	211	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	212	ENDIF
	213
[553]	214	ENDDO
	215
[298]	216	mask_i = -1; mask_j = -1; mask_k = -1
[553]	217
[298]	218	!
	219	!-- Global arrays are required by define_netcdf_header.
[1031]	220	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	221	ALLOCATE( mask_i_global(max_masks,nx+2), &
	222	mask_j_global(max_masks,ny+2), &
	223	mask_k_global(max_masks,nz+2) )
[298]	224	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	225	ENDIF
	226
	227	!
	228	!-- Determine variable names for each mask
	229	DO mid = 1, masks
	230	!
	231	!-- Append user-defined data output variables to the standard data output
	232	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	233	i = 1
	234	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	235	i = i + 1
	236	ENDDO
	237	j = 1
	238	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	239	IF ( i > 100 ) THEN
	240	WRITE ( message_string, * ) 'number of output quantitities ', &
	241	'given by data_output_mask and data_output_mask_user ', &
	242	'exceeds the limit of 100'
[564]	243	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	244	ENDIF
	245	do_mask(mid,i) = do_mask_user(mid,j)
	246	i = i + 1
	247	j = j + 1
	248	ENDDO
	249	ENDIF
	250
	251	!
	252	!-- Check and set steering parameters for mask data output and averaging
	253	i = 1
[996]	254	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	255	!
	256	!-- Check for data averaging
	257	ilen = LEN_TRIM( do_mask(mid,i) )
	258	j = 0 ! no data averaging
	259	IF ( ilen > 3 ) THEN
	260	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	261	j = 1 ! data averaging
	262	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	263	ENDIF
	264	ENDIF
	265	var = TRIM( do_mask(mid,i) )
	266	!
	267	!-- Check for allowed value and set units
	268	SELECT CASE ( TRIM( var ) )
	269
	270	CASE ( 'e' )
	271	IF ( constant_diffusion ) THEN
	272	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	273	'" requires constant_diffusion = .FALSE.'
[564]	274	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	275	ENDIF
	276	unit = 'm2/s2'
	277
[771]	278	CASE ( 'lpt' )
	279	IF ( .NOT. cloud_physics ) THEN
	280	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	281	'" requires cloud_physics = .TRUE.'
[773]	282	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	283	ENDIF
	284	unit = 'K'
	285
[2292]	286	CASE ( 'nc' )
	287	IF ( .NOT. cloud_physics ) THEN
	288	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	289	'" requires cloud_physics = .TRUE.'
	290	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	291	ELSEIF ( .NOT. microphysics_morrison ) THEN
	292	message_string = 'output of "' // TRIM( var ) // '" requi' // &
	293	'res = morrison'
	294	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	295	ENDIF
	296	unit = '1/m3'
	297
[1438]	298	CASE ( 'nr' )
	299	IF ( .NOT. cloud_physics ) THEN
	300	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	301	'" requires cloud_physics = .TRUE.'
	302	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	303	ELSEIF ( .NOT. microphysics_seifert ) THEN
[1438]	304	message_string = 'output of "' // TRIM( var ) // '" requi' // &
	305	'res cloud_scheme = seifert_beheng'
	306	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	307	ENDIF
	308	unit = '1/m3'
	309
[298]	310	CASE ( 'pc', 'pr' )
	311	IF ( .NOT. particle_advection ) THEN
	312	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	313	'" requires a "particles_par"-NAMELIST in the ', &
	314	'parameter file (PARIN)'
[564]	315	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	316	ENDIF
	317	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	318	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	319
	320	CASE ( 'q', 'vpt' )
	321	IF ( .NOT. humidity ) THEN
	322	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	323	'" requires humidity = .TRUE.'
[564]	324	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	325	ENDIF
	326	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	327	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	328
[1438]	329	CASE ( 'qc' )
	330	IF ( .NOT. cloud_physics ) THEN
	331	message_string = 'output of "' // TRIM( var ) // '" requi' // &
	332	'res cloud_physics = .TRUE.'
	333	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	334	ENDIF
	335	unit = 'kg/kg'
	336
[298]	337	CASE ( 'ql' )
	338	IF ( .NOT. ( cloud_physics .OR. cloud_droplets ) ) THEN
	339	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	340	'" requires cloud_physics = .TRUE. or cloud_droplets', &
	341	' = .TRUE.'
[564]	342	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	343	ENDIF
	344	unit = 'kg/kg'
	345
	346	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	347	IF ( .NOT. cloud_droplets ) THEN
	348	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	349	'" requires cloud_droplets = .TRUE.'
[564]	350	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	351	ENDIF
	352	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	353	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	354	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	355
	356	CASE ( 'qv' )
	357	IF ( .NOT. cloud_physics ) THEN
	358	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	359	'" requires cloud_physics = .TRUE.'
[564]	360	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	361	ENDIF
	362	unit = 'kg/kg'
	363
[1438]	364	CASE ( 'qr' )
	365	IF ( .NOT. cloud_physics ) THEN
	366	message_string = 'output of "' // TRIM( var ) // '" requi' // &
	367	'res cloud_physics = .TRUE.'
	368	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	369	ELSEIF ( .NOT. microphysics_seifert ) THEN
[1438]	370	message_string = 'output of "' // TRIM( var ) // '" requi' // &
	371	'res cloud_scheme = seifert_beheng'
	372	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	373	ENDIF
	374	unit = 'kg/kg'
	375
[2031]	376	CASE ( 'rho_ocean' )
[298]	377	IF ( .NOT. ocean ) THEN
	378	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	379	'" requires ocean = .TRUE.'
[564]	380	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	381	ENDIF
	382	unit = 'kg/m3'
	383
	384	CASE ( 's' )
	385	IF ( .NOT. passive_scalar ) THEN
	386	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	387	'" requires passive_scalar = .TRUE.'
[564]	388	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	389	ENDIF
	390	unit = 'conc'
	391
	392	CASE ( 'sa' )
	393	IF ( .NOT. ocean ) THEN
	394	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	395	'" requires ocean = .TRUE.'
[564]	396	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	397	ENDIF
	398	unit = 'psu'
	399
[978]	400	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[298]	401	WRITE ( message_string, * ) 'illegal value for data_',&
	402	'output: "', TRIM( var ), '" is only allowed', &
	403	'for horizontal cross section'
[564]	404	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	405
	406	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	407	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	408	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	409	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	410	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	411	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	412	CONTINUE
	413
	414	CASE DEFAULT
	415	CALL user_check_data_output( var, unit )
	416
	417	IF ( unit == 'illegal' ) THEN
	418	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	419	WRITE ( message_string, * ) 'illegal value for data_',&
	420	'output or data_output_user: "', &
	421	TRIM( do_mask(mid,i) ), '"'
[564]	422	CALL message( 'init_masks', 'PA0114', 1, 2, 0, 6, 0 )
[298]	423	ELSE
	424	WRITE ( message_string, * ) 'illegal value for data_',&
	425	'output: "', TRIM( do_mask(mid,i) ), '"'
[564]	426	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	427	ENDIF
	428	ENDIF
	429
	430	END SELECT
	431	!
	432	!-- Set the internal steering parameters appropriately
	433	domask_no(mid,j) = domask_no(mid,j) + 1
	434	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	435	domask_unit(mid,j,domask_no(mid,j)) = unit
	436
	437	IF ( j == 1 ) THEN
	438	!
	439	!-- Check, if variable is already subject to averaging
	440	found = .FALSE.
	441	DO k = 1, doav_n
	442	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	443	ENDDO
	444
	445	IF ( .NOT. found ) THEN
	446	doav_n = doav_n + 1
	447	doav(doav_n) = var
	448	ENDIF
	449	ENDIF
	450
	451	i = i + 1
	452
	453	ENDDO ! do_mask(mid,i)
	454	ENDDO ! mid
	455
	456
	457	!
	458	!-- Determine mask locations for each mask
	459	DO mid = 1, masks
	460	!
	461	!-- Set local masks for each subdomain along all three dimensions
	462	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	463	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
	464	CALL set_mask_locations( 3, dz, 'dz', nz, 'nz', nzb, nzt )
	465	!
	466	!-- Set global masks along all three dimensions (required by
	467	!-- define_netcdf_header).
[1804]	468	#if defined( __parallel )
[298]	469	!
	470	!-- PE0 receives partial arrays from all processors of the respective mask
	471	!-- and outputs them. Here a barrier has to be set, because otherwise
	472	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	473
[298]	474	CALL MPI_BARRIER( comm2d, ierr )
	475
	476	IF ( myid == 0 ) THEN
	477	!
	478	!-- Local arrays can be relocated directly.
	479	mask_i_global(mid,mask_start_l(mid,1): &
	480	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	481	mask_i(mid,:mask_size_l(mid,1))
	482	mask_j_global(mid,mask_start_l(mid,2): &
	483	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	484	mask_j(mid,:mask_size_l(mid,2))
	485	mask_k_global(mid,mask_start_l(mid,3): &
	486	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	487	mask_k(mid,:mask_size_l(mid,3))
	488	!
	489	!-- Receive data from all other PEs.
	490	DO n = 1, numprocs-1
	491	!
	492	!-- Receive index limits first, then arrays.
	493	!-- Index limits are received in arbitrary order from the PEs.
	494	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	495	comm2d, status, ierr )
	496	!
	497	!-- Not all PEs have data for the mask.
	498	IF ( ind(1) /= -9999 ) THEN
	499	sender = status(MPI_SOURCE)
	500	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	501	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	502	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	503	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	504	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	505	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	506	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	507	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	508	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	509	ENDIF
	510	ENDDO
	511
	512	ELSE
	513	!
	514	!-- If at least part of the mask resides on the PE, send the index limits
	515	!-- for the target array, otherwise send -9999 to PE0.
[996]	516	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	517	mask_size_l(mid,3) > 0 ) THEN
[298]	518	ind(1) = mask_start_l(mid,1)
	519	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	520	ind(3) = mask_start_l(mid,2)
	521	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	522	ind(5) = mask_start_l(mid,3)
	523	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	524	ELSE
	525	ind(1) = -9999; ind(2) = -9999
	526	ind(3) = -9999; ind(4) = -9999
	527	ind(5) = -9999; ind(6) = -9999
	528	ENDIF
	529	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	530	!
	531	!-- If applicable, send data to PE0.
	532	IF ( ind(1) /= -9999 ) THEN
	533	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	534	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	535	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	536	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	537	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	538	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	539	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	540	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	541	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	542	ENDIF
	543	ENDIF
	544	!
	545	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	546	!-- so that PE0 may receive wrong data on tag 0.
	547	CALL MPI_BARRIER( comm2d, ierr )
[409]	548
[1031]	549	IF ( netcdf_data_format > 4 ) THEN
[409]	550
[1414]	551	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	552	ierr )
[1414]	553	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	554	ierr )
[1414]	555	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	556	ierr )
[1682]	557
[409]	558	ENDIF
[298]	559
[1804]	560	#else
[298]	561	!
	562	!-- Local arrays can be relocated directly.
	563	mask_i_global(mid,:) = mask_i(mid,:)
	564	mask_j_global(mid,:) = mask_j(mid,:)
	565	mask_k_global(mid,:) = mask_k(mid,:)
	566	#endif
	567	ENDDO ! mid
	568
	569	DEALLOCATE( tmp_array )
	570	!
	571	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	572	!-- required for header output on PE 0.
	573	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	574
	575	CONTAINS
[493]	576
[298]	577	!------------------------------------------------------------------------------!
	578	! Description:
	579	! ------------
[1682]	580	!> Set local mask for each subdomain along 'dim' direction.
[298]	581	!------------------------------------------------------------------------------!
[1682]	582	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	583	lb, ub )
[298]	584
	585	IMPLICIT NONE
	586
[1682]	587	CHARACTER (LEN=2) :: dxyz_string !<
	588	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	589
[1682]	590	INTEGER(iwp) :: count !<
	591	INTEGER(iwp) :: count_l !<
	592	INTEGER(iwp) :: dim !<
	593	INTEGER(iwp) :: m !<
	594	INTEGER(iwp) :: loop_begin !<
	595	INTEGER(iwp) :: loop_end !<
	596	INTEGER(iwp) :: loop_stride !<
	597	INTEGER(iwp) :: lb !<
	598	INTEGER(iwp) :: nxyz !<
	599	INTEGER(iwp) :: ub !<
[1320]	600
[1682]	601	REAL(wp) :: dxyz !<
	602	REAL(wp) :: ddxyz !<
	603	REAL(wp) :: tmp1 !<
	604	REAL(wp) :: tmp2 !<
[298]	605
[1353]	606	count = 0; count_l = 0
	607	ddxyz = 1.0_wp / dxyz
	608	tmp1 = 0.0_wp
	609	tmp2 = 0.0_wp
[298]	610
[1353]	611	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	612	!
	613	!-- use predefined mask_* array
[1353]	614	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	615	count = count + 1
	616	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	617	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	618	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	619	ELSEIF ( dim == 3 ) THEN
	620	ind_array = &
[595]	621	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	622	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	623	ENDIF
[1414]	624	IF ( m > (nxyz+1) ) THEN
[303]	625	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	626	m,' in mask ',mid,' along dimension ',dim, &
[1414]	627	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	628	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	629	ENDIF
[1414]	630	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	631	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	632	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	633	count_l = count_l + 1
	634	IF ( dim == 1 ) THEN
	635	mask_i(mid,count_l) = m
	636	ELSEIF ( dim == 2 ) THEN
	637	mask_j(mid,count_l) = m
	638	ELSEIF ( dim == 3 ) THEN
	639	mask_k(mid,count_l) = m
	640	ENDIF
	641	ENDIF
	642	IF ( count == mask_xyz_dimension ) EXIT
	643	ENDDO
	644	mask_size(mid,dim) = count
	645	mask_size_l(mid,dim) = count_l
	646
	647	ELSE
	648	!
	649	!-- use predefined mask_loop_* array, or use the default (all grid points
	650	!-- along this direction)
[1353]	651	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	652	tmp1 = mask_loop(mid,dim,1)
[1186]	653	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	654	ENDIF
	655	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	656	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	657	tmp2 = mask_loop(mid,dim,2)
[1414]	658	mask_loop(mid,dim,2) = (nxyz+1)*dxyz / mask_scale(dim) ! (default)
[298]	659	ENDIF
	660	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	661	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	662	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
	663	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	664	' and/or mask_loop(',mid,',',dim,',2)=', &
[1414]	665	mask_loop(mid,dim,2),'&exceed (', &
	666	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
	667	(nxyz+1)*dxyz/mask_scale(dim)
[564]	668	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	669	ENDIF
[1032]	670	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	671	* ddxyz - 0.5_wp )
[1032]	672	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	673	* ddxyz - 0.5_wp )
[1032]	674	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
	675	* ddxyz )
[1414]	676	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	677	ELSEIF ( dim == 3 ) THEN
[1353]	678	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	679	tmp2 = mask_loop(mid,dim,2)
[1414]	680	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	681	ENDIF
	682	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	683	> zu(nz+1) / mask_scale(dim) ) THEN
[303]	684	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	685	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	686	' and/or mask_loop(',mid,',',dim,',2)=', &
[1414]	687	mask_loop(mid,dim,2),'&exceed zu(nz+1)/mask_scale(',dim, &
	688	')=',zu(nz+1)/mask_scale(dim)
[564]	689	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	690	ENDIF
[303]	691	ind_array = &
[595]	692	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	693	loop_begin = &
[303]	694	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	695	ind_array = &
[595]	696	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	697	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	698	!
[303]	699	!-- The following line assumes a constant vertical grid spacing within
	700	!-- the vertical mask range; it fails for vertical grid stretching.
	701	!-- Maybe revise later. Issue warning but continue execution.
	702	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	703
	704	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > dz_stretch_level ) &
	705	THEN
[557]	706	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	707	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2),&
[303]	708	' exceeds dz_stretch_level=',dz_stretch_level, &
	709	'.&Vertical mask locations will not ', &
	710	'match the desired heights&within the stretching ', &
[2271]	711	'region.'
[564]	712	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	713	ENDIF
	714
[298]	715	ENDIF
	716	!
	717	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	718	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	719	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	720	!
	721	!-- The default stride +/-1 (every grid point) applies if
	722	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	723	IF ( loop_stride == 0 ) THEN
	724	IF ( loop_end >= loop_begin ) THEN
	725	loop_stride = 1
	726	ELSE
	727	loop_stride = -1
	728	ENDIF
	729	ENDIF
	730	DO m = loop_begin, loop_end, loop_stride
	731	count = count + 1
[1414]	732	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	733	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	734	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	735	count_l = count_l + 1
	736	IF ( dim == 1 ) THEN
	737	mask_i(mid,count_l) = m
	738	ELSEIF ( dim == 2 ) THEN
	739	mask_j(mid,count_l) = m
	740	ELSEIF ( dim == 3 ) THEN
	741	mask_k(mid,count_l) = m
	742	ENDIF
	743	ENDIF
	744	ENDDO
	745	mask_size(mid,dim) = count
	746	mask_size_l(mid,dim) = count_l
[1414]	747
[298]	748	ENDIF
	749
	750	END SUBROUTINE set_mask_locations
	751
	752	END SUBROUTINE init_masks

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