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source: palm/trunk/SOURCE/init_3d_model.f90 @ 1574

Last change on this file since 1574 was 1552, checked in by maronga, 10 years ago
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[1]	1	SUBROUTINE init_3d_model
	2
[1036]	3	!--------------------------------------------------------------------------------!
	4	! This file is part of PALM.
	5	!
	6	! PALM is free software: you can redistribute it and/or modify it under the terms
	7	! of the GNU General Public License as published by the Free Software Foundation,
	8	! either version 3 of the License, or (at your option) any later version.
	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	!
[1310]	17	! Copyright 1997-2014 Leibniz Universitaet Hannover
[1036]	18	!--------------------------------------------------------------------------------!
	19	!
[254]	20	! Current revisions:
[732]	21	! ------------------
[1485]	22	!
[1552]	23	!
[1485]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_3d_model.f90 1552 2015-03-03 14:27:15Z suehring $
	27	!
[1552]	28	! 1551 2015-03-03 14:18:16Z maronga
	29	! Allocation of land surface arrays is now done in the subroutine init_lsm_arrays,
	30	! which is part of land_surface_model.
	31	!
[1508]	32	! 1507 2014-12-10 12:14:18Z suehring
	33	! Bugfix: set horizontal velocity components to zero inside topography
	34	!
[1497]	35	! 1496 2014-12-02 17:25:50Z maronga
	36	! Added initialization of the land surface and radiation schemes
	37	!
[1485]	38	! 1484 2014-10-21 10:53:05Z kanani
[1484]	39	! Changes due to new module structure of the plant canopy model:
[1508]	40	! canopy-related initialization (e.g. lad and canopy_heat_flux) moved to new
	41	! subroutine init_plant_canopy within the module plant_canopy_model_mod,
	42	! call of subroutine init_plant_canopy added.
[1341]	43	!
[1432]	44	! 1431 2014-07-15 14:47:17Z suehring
	45	! var_d added, in order to normalize spectra.
	46	!
[1430]	47	! 1429 2014-07-15 12:53:45Z knoop
	48	! Ensemble run capability added to parallel random number generator
	49	!
[1412]	50	! 1411 2014-05-16 18:01:51Z suehring
	51	! Initial horizontal velocity profiles were not set to zero at the first vertical
	52	! grid level in case of non-cyclic lateral boundary conditions.
	53	!
[1407]	54	! 1406 2014-05-16 13:47:01Z raasch
	55	! bugfix: setting of initial velocities at k=1 to zero not in case of a
	56	! no-slip boundary condition for uv
	57	!
[1403]	58	! 1402 2014-05-09 14:25:13Z raasch
	59	! location messages modified
	60	!
[1401]	61	! 1400 2014-05-09 14:03:54Z knoop
	62	! Parallel random number generator added
	63	!
[1385]	64	! 1384 2014-05-02 14:31:06Z raasch
	65	! location messages added
	66	!
[1362]	67	! 1361 2014-04-16 15:17:48Z hoffmann
	68	! tend_* removed
	69	! Bugfix: w_subs is not allocated anymore if it is already allocated
	70	!
[1360]	71	! 1359 2014-04-11 17:15:14Z hoffmann
	72	! module lpm_init_mod added to use statements, because lpm_init has become a
	73	! module
	74	!
[1354]	75	! 1353 2014-04-08 15:21:23Z heinze
	76	! REAL constants provided with KIND-attribute
	77	!
[1341]	78	! 1340 2014-03-25 19:45:13Z kanani
	79	! REAL constants defined as wp-kind
	80	!
[1323]	81	! 1322 2014-03-20 16:38:49Z raasch
	82	! REAL constants defined as wp-kind
	83	! module interfaces removed
	84	!
[1321]	85	! 1320 2014-03-20 08:40:49Z raasch
	86	! ONLY-attribute added to USE-statements,
	87	! kind-parameters added to all INTEGER and REAL declaration statements,
	88	! kinds are defined in new module kinds,
	89	! revision history before 2012 removed,
	90	! comment fields (!:) to be used for variable explanations added to
	91	! all variable declaration statements
	92	!
[1317]	93	! 1316 2014-03-17 07:44:59Z heinze
	94	! Bugfix: allocation of w_subs
	95	!
[1300]	96	! 1299 2014-03-06 13:15:21Z heinze
	97	! Allocate w_subs due to extension of large scale subsidence in combination
	98	! with large scale forcing data (LSF_DATA)
	99	!
[1242]	100	! 1241 2013-10-30 11:36:58Z heinze
	101	! Overwrite initial profiles in case of nudging
	102	! Inititialize shf and qsws in case of large_scale_forcing
	103	!
[1222]	104	! 1221 2013-09-10 08:59:13Z raasch
	105	! +rflags_s_inner in copyin statement, use copyin for most arrays instead of
	106	! copy
	107	!
[1213]	108	! 1212 2013-08-15 08:46:27Z raasch
	109	! array tri is allocated and included in data copy statement
	110	!
[1196]	111	! 1195 2013-07-01 12:27:57Z heinze
	112	! Bugfix: move allocation of ref_state to parin.f90 and read_var_list.f90
	113	!
[1182]	114	! 1179 2013-06-14 05:57:58Z raasch
	115	! allocate and set ref_state to be used in buoyancy terms
	116	!
[1172]	117	! 1171 2013-05-30 11:27:45Z raasch
	118	! diss array is allocated with full size if accelerator boards are used
	119	!
[1160]	120	! 1159 2013-05-21 11:58:22Z fricke
	121	! -bc_lr_dirneu, bc_lr_neudir, bc_ns_dirneu, bc_ns_neudir
	122	!
[1154]	123	! 1153 2013-05-10 14:33:08Z raasch
	124	! diss array is allocated with dummy elements even if it is not needed
[1171]	125	! (required by PGI 13.4 / CUDA 5.0)
[1154]	126	!
[1116]	127	! 1115 2013-03-26 18:16:16Z hoffmann
	128	! unused variables removed
	129	!
[1114]	130	! 1113 2013-03-10 02:48:14Z raasch
	131	! openACC directive modified
	132	!
[1112]	133	! 1111 2013-03-08 23:54:10Z raasch
	134	! openACC directives added for pres
	135	! array diss allocated only if required
	136	!
[1093]	137	! 1092 2013-02-02 11:24:22Z raasch
	138	! unused variables removed
	139	!
[1066]	140	! 1065 2012-11-22 17:42:36Z hoffmann
	141	! allocation of diss (dissipation rate) in case of turbulence = .TRUE. added
	142	!
[1054]	143	! 1053 2012-11-13 17:11:03Z hoffmann
[1053]	144	! allocation and initialisation of necessary data arrays for the two-moment
	145	! cloud physics scheme the two new prognostic equations (nr, qr):
	146	! +dr, lambda_r, mu_r, sed_, xr, s, sws, swst, , _p, t_m, _1, _2, _3,
	147	! +tend_*, prr
[979]	148	!
[1037]	149	! 1036 2012-10-22 13:43:42Z raasch
	150	! code put under GPL (PALM 3.9)
	151	!
[1033]	152	! 1032 2012-10-21 13:03:21Z letzel
	153	! save memory by not allocating pt_2 in case of neutral = .T.
	154	!
[1026]	155	! 1025 2012-10-07 16:04:41Z letzel
	156	! bugfix: swap indices of mask for ghost boundaries
	157	!
[1017]	158	! 1015 2012-09-27 09:23:24Z raasch
	159	! mask is set to zero for ghost boundaries
	160	!
[1011]	161	! 1010 2012-09-20 07:59:54Z raasch
	162	! cpp switch __nopointer added for pointer free version
	163	!
[1004]	164	! 1003 2012-09-14 14:35:53Z raasch
	165	! nxra,nyna, nzta replaced ny nxr, nyn, nzt
	166	!
[1002]	167	! 1001 2012-09-13 14:08:46Z raasch
	168	! all actions concerning leapfrog scheme removed
	169	!
[997]	170	! 996 2012-09-07 10:41:47Z raasch
	171	! little reformatting
	172	!
[979]	173	! 978 2012-08-09 08:28:32Z fricke
[978]	174	! outflow damping layer removed
	175	! roughness length for scalar quantites z0h added
	176	! damping zone for the potential temperatur in case of non-cyclic lateral
	177	! boundaries added
	178	! initialization of ptdf_x, ptdf_y
	179	! initialization of c_u_m, c_u_m_l, c_v_m, c_v_m_l, c_w_m, c_w_m_l
[708]	180	!
[850]	181	! 849 2012-03-15 10:35:09Z raasch
	182	! init_particles renamed lpm_init
	183	!
[826]	184	! 825 2012-02-19 03:03:44Z raasch
	185	! wang_collision_kernel renamed wang_kernel
	186	!
[1]	187	! Revision 1.1 1998/03/09 16:22:22 raasch
	188	! Initial revision
	189	!
	190	!
	191	! Description:
	192	! ------------
	193	! Allocation of arrays and initialization of the 3D model via
	194	! a) pre-run the 1D model
	195	! or
	196	! b) pre-set constant linear profiles
	197	! or
	198	! c) read values of a previous run
	199	!------------------------------------------------------------------------------!
	200
[667]	201	USE advec_ws
[1320]	202
[1]	203	USE arrays_3d
[1320]	204
	205	USE cloud_parameters, &
	206	ONLY: nc_const, precipitation_amount, precipitation_rate, prr
	207
	208	USE constants, &
	209	ONLY: pi
	210
[1]	211	USE control_parameters
[1320]	212
	213	USE grid_variables, &
	214	ONLY: dx, dy
	215
[1]	216	USE indices
[1359]	217
[1429]	218	USE lpm_init_mod, &
[1359]	219	ONLY: lpm_init
[1320]	220
	221	USE kinds
[1496]	222
	223	USE land_surface_model_mod, &
[1551]	224	ONLY: init_lsm, init_lsm_arrays, land_surface
[1496]	225
[1241]	226	USE ls_forcing_mod
[1320]	227
	228	USE model_1d, &
	229	ONLY: e1d, kh1d, km1d, l1d, rif1d, u1d, us1d, usws1d, v1d, vsws1d
	230
[51]	231	USE netcdf_control
[1320]	232
	233	USE particle_attributes, &
	234	ONLY: particle_advection, use_sgs_for_particles, wang_kernel
	235
[1]	236	USE pegrid
[1320]	237
[1484]	238	USE plant_canopy_model_mod, &
	239	ONLY: init_plant_canopy, plant_canopy
[1496]	240
	241	USE radiation_model_mod, &
	242	ONLY: init_radiation, radiation
[1484]	243
[1320]	244	USE random_function_mod
	245
[1400]	246	USE random_generator_parallel, &
	247	ONLY: random_number_parallel, random_seed_parallel, random_dummy, &
	248	id_random_array, seq_random_array
	249
[1320]	250	USE statistics, &
	251	ONLY: hom, hom_sum, pr_palm, rmask, spectrum_x, spectrum_y, &
	252	statistic_regions, sums, sums_divnew_l, sums_divold_l, sums_l, &
	253	sums_l_l, sums_up_fraction_l, sums_wsts_bc_l, ts_value, &
[1431]	254	var_d, weight_pres, weight_substep
[1320]	255
	256	USE transpose_indices
[1]	257
	258	IMPLICIT NONE
	259
[1320]	260	INTEGER(iwp) :: i !:
	261	INTEGER(iwp) :: ind_array(1) !:
	262	INTEGER(iwp) :: j !:
	263	INTEGER(iwp) :: k !:
	264	INTEGER(iwp) :: sr !:
[1]	265
[1320]	266	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh_l !:
[1]	267
[1320]	268	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l !:
	269	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner_l !:
[1]	270
[1320]	271	REAL(wp), DIMENSION(1:2) :: volume_flow_area_l !:
	272	REAL(wp), DIMENSION(1:2) :: volume_flow_initial_l !:
[1]	273
[1320]	274	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_l !:
	275	REAL(wp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner_tmp !:
[1]	276
[485]	277
[1402]	278	CALL location_message( 'allocating arrays', .FALSE. )
[1]	279	!
	280	!-- Allocate arrays
	281	ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), &
	282	ngp_3d(0:statistic_regions), &
	283	ngp_3d_inner(0:statistic_regions), &
	284	ngp_3d_inner_l(0:statistic_regions), &
[485]	285	ngp_3d_inner_tmp(0:statistic_regions), &
[1]	286	sums_divnew_l(0:statistic_regions), &
	287	sums_divold_l(0:statistic_regions) )
[1195]	288	ALLOCATE( dp_smooth_factor(nzb:nzt), rdf(nzb+1:nzt), rdf_sc(nzb+1:nzt) )
[143]	289	ALLOCATE( ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), &
[1]	290	ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), &
[132]	291	ngp_2dh_s_inner(nzb:nzt+1,0:statistic_regions), &
	292	ngp_2dh_s_inner_l(nzb:nzt+1,0:statistic_regions), &
[996]	293	rmask(nysg:nyng,nxlg:nxrg,0:statistic_regions), &
[87]	294	sums(nzb:nzt+1,pr_palm+max_pr_user), &
	295	sums_l(nzb:nzt+1,pr_palm+max_pr_user,0:threads_per_task-1), &
[1]	296	sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), &
	297	sums_up_fraction_l(10,3,0:statistic_regions), &
[48]	298	sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions), &
[394]	299	ts_value(dots_max,0:statistic_regions) )
[978]	300	ALLOCATE( ptdf_x(nxlg:nxrg), ptdf_y(nysg:nyng) )
[1]	301
[1001]	302	ALLOCATE( rif(nysg:nyng,nxlg:nxrg), shf(nysg:nyng,nxlg:nxrg), &
	303	ts(nysg:nyng,nxlg:nxrg), tswst(nysg:nyng,nxlg:nxrg), &
	304	us(nysg:nyng,nxlg:nxrg), usws(nysg:nyng,nxlg:nxrg), &
	305	uswst(nysg:nyng,nxlg:nxrg), vsws(nysg:nyng,nxlg:nxrg), &
	306	vswst(nysg:nyng,nxlg:nxrg), z0(nysg:nyng,nxlg:nxrg), &
[978]	307	z0h(nysg:nyng,nxlg:nxrg) )
[1]	308
[1010]	309	ALLOCATE( d(nzb+1:nzt,nys:nyn,nxl:nxr), &
	310	kh(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	311	km(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	312	p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	313	tend(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	314
	315	#if defined( __nopointer )
	316	ALLOCATE( e(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	317	e_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	318	pt(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	319	pt_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	320	u(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	321	u_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	322	v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	323	v_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	324	w(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	325	w_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	326	te_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	327	tpt_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	328	tu_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	329	tv_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	330	tw_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	331	#else
	332	ALLOCATE( e_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	333	e_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	334	e_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	335	pt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	336	pt_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	337	u_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	338	u_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	339	u_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	340	v_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	341	v_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	342	v_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	343	w_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	344	w_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	345	w_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1032]	346	IF ( .NOT. neutral ) THEN
	347	ALLOCATE( pt_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	348	ENDIF
[1010]	349	#endif
	350
[673]	351	!
[707]	352	!-- Following array is required for perturbation pressure within the iterative
	353	!-- pressure solvers. For the multistep schemes (Runge-Kutta), array p holds
	354	!-- the weighted average of the substeps and cannot be used in the Poisson
	355	!-- solver.
	356	IF ( psolver == 'sor' ) THEN
	357	ALLOCATE( p_loc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	358	ELSEIF ( psolver == 'multigrid' ) THEN
	359	!
	360	!-- For performance reasons, multigrid is using one ghost layer only
	361	ALLOCATE( p_loc(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
[673]	362	ENDIF
[1]	363
[1111]	364	!
	365	!-- Array for storing constant coeffficients of the tridiagonal solver
	366	IF ( psolver == 'poisfft' ) THEN
[1212]	367	ALLOCATE( tri(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1,2) )
[1111]	368	ALLOCATE( tric(nxl_z:nxr_z,nys_z:nyn_z,0:nz-1) )
	369	ENDIF
	370
[75]	371	IF ( humidity .OR. passive_scalar ) THEN
[1]	372	!
[75]	373	!-- 2D-humidity/scalar arrays
[1001]	374	ALLOCATE ( qs(nysg:nyng,nxlg:nxrg), &
	375	qsws(nysg:nyng,nxlg:nxrg), &
	376	qswst(nysg:nyng,nxlg:nxrg) )
[1]	377
	378	!
[75]	379	!-- 3D-humidity/scalar arrays
[1010]	380	#if defined( __nopointer )
	381	ALLOCATE( q(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	382	q_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	383	tq_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	384	#else
[667]	385	ALLOCATE( q_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	386	q_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	387	q_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	388	#endif
[1]	389
	390	!
[75]	391	!-- 3D-arrays needed for humidity only
	392	IF ( humidity ) THEN
[1010]	393	#if defined( __nopointer )
	394	ALLOCATE( vpt(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	395	#else
[667]	396	ALLOCATE( vpt_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	397	#endif
[1]	398
	399	IF ( cloud_physics ) THEN
[1053]	400
[1]	401	!
	402	!-- Liquid water content
[1010]	403	#if defined( __nopointer )
	404	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	405	#else
[667]	406	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1010]	407	#endif
[72]	408	!
	409	!-- Precipitation amount and rate (only needed if output is switched)
[667]	410	ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg), &
	411	precipitation_rate(nysg:nyng,nxlg:nxrg) )
[1053]	412
	413	IF ( icloud_scheme == 0 ) THEN
	414	!
[1115]	415	!-- 1D-arrays
	416	ALLOCATE ( nc_1d(nzb:nzt+1), pt_1d(nzb:nzt+1), &
	417	q_1d(nzb:nzt+1), qc_1d(nzb:nzt+1) )
[1053]	418	!
[1115]	419	!-- 3D-cloud water content
[1053]	420	#if defined( __nopointer )
[1115]	421	ALLOCATE( qc(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	422	#else
[1115]	423	ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1053]	424	#endif
[1115]	425
	426	IF ( precipitation ) THEN
[1053]	427	!
[1115]	428	!-- 1D-arrays
	429	ALLOCATE ( nr_1d(nzb:nzt+1), qr_1d(nzb:nzt+1) )
[1361]	430
[1115]	431	!
	432	!-- 2D-rain water content and rain drop concentration arrays
	433	ALLOCATE ( qrs(nysg:nyng,nxlg:nxrg), &
	434	qrsws(nysg:nyng,nxlg:nxrg), &
	435	qrswst(nysg:nyng,nxlg:nxrg), &
	436	nrs(nysg:nyng,nxlg:nxrg), &
	437	nrsws(nysg:nyng,nxlg:nxrg), &
	438	nrswst(nysg:nyng,nxlg:nxrg) )
	439	!
	440	!-- 3D-rain water content, rain drop concentration arrays
	441	#if defined( __nopointer )
	442	ALLOCATE( nr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	443	nr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	444	qr(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	445	qr_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	446	tnr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	447	tqr_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	448	#else
	449	ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	450	nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	451	nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	452	qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	453	qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	454	qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	455	#endif
	456	!
	457	!-- 3d-precipitation rate
[1053]	458	ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	459	ENDIF
	460
	461	ENDIF
[1]	462	ENDIF
	463
	464	IF ( cloud_droplets ) THEN
	465	!
[1010]	466	!-- Liquid water content, change in liquid water content
	467	#if defined( __nopointer )
	468	ALLOCATE ( ql(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	469	ql_c(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	470	#else
[667]	471	ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[1010]	472	ql_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	473	#endif
	474	!
	475	!-- Real volume of particles (with weighting), volume of particles
	476	ALLOCATE ( ql_v(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
[667]	477	ql_vp(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	478	ENDIF
	479
	480	ENDIF
	481
	482	ENDIF
	483
[94]	484	IF ( ocean ) THEN
[1001]	485	ALLOCATE( saswsb(nysg:nyng,nxlg:nxrg), &
	486	saswst(nysg:nyng,nxlg:nxrg) )
[1010]	487	#if defined( __nopointer )
	488	ALLOCATE( prho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	489	rho(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	490	sa(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	491	sa_p(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	492	tsa_m(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	493	#else
[667]	494	ALLOCATE( prho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	495	rho_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	496	sa_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	497	sa_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), &
	498	sa_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[388]	499	prho => prho_1
	500	rho => rho_1 ! routines calc_mean_profile and diffusion_e require
	501	! density to be apointer
[1010]	502	#endif
[108]	503	IF ( humidity_remote ) THEN
[667]	504	ALLOCATE( qswst_remote(nysg:nyng,nxlg:nxrg))
[1340]	505	qswst_remote = 0.0_wp
[108]	506	ENDIF
[94]	507	ENDIF
	508
[1]	509	!
	510	!-- 3D-array for storing the dissipation, needed for calculating the sgs
	511	!-- particle velocities
[1171]	512	IF ( use_sgs_for_particles .OR. wang_kernel .OR. turbulence .OR. &
	513	num_acc_per_node > 0 ) THEN
[1153]	514	ALLOCATE( diss(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[1]	515	ENDIF
	516
[1340]	517	IF ( dt_dosp /= 9999999.9_wp ) THEN
[1]	518	ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), &
	519	spectrum_y( 1:ny/2, 1:10, 1:10 ) )
[1340]	520	spectrum_x = 0.0_wp
	521	spectrum_y = 0.0_wp
[1431]	522
	523	ALLOCATE( var_d(nzb:nzt+1) )
	524	var_d = 0.0_wp
[1]	525	ENDIF
	526
	527	!
[1299]	528	!-- 1D-array for large scale subsidence velocity
[1361]	529	IF ( .NOT. ALLOCATED( w_subs ) ) THEN
	530	ALLOCATE ( w_subs(nzb:nzt+1) )
	531	w_subs = 0.0_wp
	532	ENDIF
[1299]	533
	534	!
[1400]	535	!-- ID-array and state-space-array for the parallel random number generator
	536	IF ( random_generator == 'random-parallel' ) THEN
	537	ALLOCATE ( seq_random_array(5,nysg:nyng,nxlg:nxrg) )
	538	ALLOCATE ( id_random_array(0:ny,0:nx) )
	539	seq_random_array = 0
	540	id_random_array = 0
	541	ENDIF
	542
	543	!
[51]	544	!-- 4D-array for storing the Rif-values at vertical walls
	545	IF ( topography /= 'flat' ) THEN
[667]	546	ALLOCATE( rif_wall(nzb:nzt+1,nysg:nyng,nxlg:nxrg,1:4) )
[1340]	547	rif_wall = 0.0_wp
[51]	548	ENDIF
	549
	550	!
[106]	551	!-- Arrays to store velocity data from t-dt and the phase speeds which
	552	!-- are needed for radiation boundary conditions
[73]	553	IF ( outflow_l ) THEN
[667]	554	ALLOCATE( u_m_l(nzb:nzt+1,nysg:nyng,1:2), &
	555	v_m_l(nzb:nzt+1,nysg:nyng,0:1), &
	556	w_m_l(nzb:nzt+1,nysg:nyng,0:1) )
[73]	557	ENDIF
	558	IF ( outflow_r ) THEN
[667]	559	ALLOCATE( u_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	560	v_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx), &
	561	w_m_r(nzb:nzt+1,nysg:nyng,nx-1:nx) )
[73]	562	ENDIF
[106]	563	IF ( outflow_l .OR. outflow_r ) THEN
[667]	564	ALLOCATE( c_u(nzb:nzt+1,nysg:nyng), c_v(nzb:nzt+1,nysg:nyng), &
	565	c_w(nzb:nzt+1,nysg:nyng) )
[106]	566	ENDIF
[73]	567	IF ( outflow_s ) THEN
[667]	568	ALLOCATE( u_m_s(nzb:nzt+1,0:1,nxlg:nxrg), &
	569	v_m_s(nzb:nzt+1,1:2,nxlg:nxrg), &
	570	w_m_s(nzb:nzt+1,0:1,nxlg:nxrg) )
[73]	571	ENDIF
	572	IF ( outflow_n ) THEN
[667]	573	ALLOCATE( u_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	574	v_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg), &
	575	w_m_n(nzb:nzt+1,ny-1:ny,nxlg:nxrg) )
[73]	576	ENDIF
[106]	577	IF ( outflow_s .OR. outflow_n ) THEN
[667]	578	ALLOCATE( c_u(nzb:nzt+1,nxlg:nxrg), c_v(nzb:nzt+1,nxlg:nxrg), &
	579	c_w(nzb:nzt+1,nxlg:nxrg) )
[106]	580	ENDIF
[996]	581	IF ( outflow_l .OR. outflow_r .OR. outflow_s .OR. outflow_n ) THEN
[978]	582	ALLOCATE( c_u_m_l(nzb:nzt+1), c_v_m_l(nzb:nzt+1), c_w_m_l(nzb:nzt+1) )
	583	ALLOCATE( c_u_m(nzb:nzt+1), c_v_m(nzb:nzt+1), c_w_m(nzb:nzt+1) )
	584	ENDIF
[73]	585
[978]	586
[1010]	587	#if ! defined( __nopointer )
[73]	588	!
[1]	589	!-- Initial assignment of the pointers
[1001]	590	e => e_1; e_p => e_2; te_m => e_3
[1032]	591	IF ( .NOT. neutral ) THEN
	592	pt => pt_1; pt_p => pt_2; tpt_m => pt_3
	593	ELSE
	594	pt => pt_1; pt_p => pt_1; tpt_m => pt_3
	595	ENDIF
[1001]	596	u => u_1; u_p => u_2; tu_m => u_3
	597	v => v_1; v_p => v_2; tv_m => v_3
	598	w => w_1; w_p => w_2; tw_m => w_3
[1]	599
[1001]	600	IF ( humidity .OR. passive_scalar ) THEN
	601	q => q_1; q_p => q_2; tq_m => q_3
[1053]	602	IF ( humidity ) THEN
	603	vpt => vpt_1
	604	IF ( cloud_physics ) THEN
	605	ql => ql_1
	606	IF ( icloud_scheme == 0 ) THEN
[1115]	607	qc => qc_1
	608	IF ( precipitation ) THEN
	609	qr => qr_1; qr_p => qr_2; tqr_m => qr_3
	610	nr => nr_1; nr_p => nr_2; tnr_m => nr_3
	611	ENDIF
[1053]	612	ENDIF
	613	ENDIF
	614	ENDIF
[1001]	615	IF ( cloud_droplets ) THEN
	616	ql => ql_1
	617	ql_c => ql_2
[1]	618	ENDIF
[1001]	619	ENDIF
[1]	620
[1001]	621	IF ( ocean ) THEN
	622	sa => sa_1; sa_p => sa_2; tsa_m => sa_3
	623	ENDIF
[1010]	624	#endif
[1]	625
	626	!
[1551]	627	!-- Allocate land surface model arrays
	628	IF ( land_surface ) THEN
	629	CALL init_lsm_arrays
	630	ENDIF
	631
	632	!
[709]	633	!-- Allocate arrays containing the RK coefficient for calculation of
	634	!-- perturbation pressure and turbulent fluxes. At this point values are
	635	!-- set for pressure calculation during initialization (where no timestep
	636	!-- is done). Further below the values needed within the timestep scheme
	637	!-- will be set.
	638	ALLOCATE( weight_substep(1:intermediate_timestep_count_max), &
[673]	639	weight_pres(1:intermediate_timestep_count_max) )
[1340]	640	weight_substep = 1.0_wp
	641	weight_pres = 1.0_wp
[709]	642	intermediate_timestep_count = 1 ! needed when simulated_time = 0.0
[673]	643
[1402]	644	CALL location_message( 'finished', .TRUE. )
[673]	645	!
[1]	646	!-- Initialize model variables
[147]	647	IF ( TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
[328]	648	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
[1]	649	!
	650	!-- First model run of a possible job queue.
	651	!-- Initial profiles of the variables must be computes.
	652	IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN
[1384]	653
[1402]	654	CALL location_message( 'initializing with 1D model profiles', .FALSE. )
[1]	655	!
	656	!-- Use solutions of the 1D model as initial profiles,
	657	!-- start 1D model
	658	CALL init_1d_model
	659	!
	660	!-- Transfer initial profiles to the arrays of the 3D model
[667]	661	DO i = nxlg, nxrg
	662	DO j = nysg, nyng
[1]	663	e(:,j,i) = e1d
	664	kh(:,j,i) = kh1d
	665	km(:,j,i) = km1d
	666	pt(:,j,i) = pt_init
	667	u(:,j,i) = u1d
	668	v(:,j,i) = v1d
	669	ENDDO
	670	ENDDO
	671
[75]	672	IF ( humidity .OR. passive_scalar ) THEN
[667]	673	DO i = nxlg, nxrg
	674	DO j = nysg, nyng
[1]	675	q(:,j,i) = q_init
	676	ENDDO
	677	ENDDO
[1353]	678	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	679	precipitation ) THEN
[1053]	680	DO i = nxlg, nxrg
	681	DO j = nysg, nyng
[1340]	682	qr(:,j,i) = 0.0_wp
	683	nr(:,j,i) = 0.0_wp
[1053]	684	ENDDO
	685	ENDDO
[1115]	686	!
	687	!-- Initialze nc_1d with default value
	688	nc_1d(:) = nc_const
	689
[1053]	690	ENDIF
[1]	691	ENDIF
	692
	693	IF ( .NOT. constant_diffusion ) THEN
[667]	694	DO i = nxlg, nxrg
	695	DO j = nysg, nyng
[1]	696	e(:,j,i) = e1d
	697	ENDDO
	698	ENDDO
	699	!
	700	!-- Store initial profiles for output purposes etc.
	701	hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 )
	702
	703	IF ( prandtl_layer ) THEN
	704	rif = rif1d(nzb+1)
[1340]	705	ts = 0.0_wp ! could actually be computed more accurately in the
	706	! 1D model. Update when opportunity arises.
[1]	707	us = us1d
	708	usws = usws1d
	709	vsws = vsws1d
	710	ELSE
[1340]	711	ts = 0.0_wp ! must be set, because used in
	712	rif = 0.0_wp ! flowste
	713	us = 0.0_wp
	714	usws = 0.0_wp
	715	vsws = 0.0_wp
[1]	716	ENDIF
	717
	718	ELSE
[1340]	719	e = 0.0_wp ! must be set, because used in
	720	rif = 0.0_wp ! flowste
	721	ts = 0.0_wp
	722	us = 0.0_wp
	723	usws = 0.0_wp
	724	vsws = 0.0_wp
[1]	725	ENDIF
[102]	726	uswst = top_momentumflux_u
	727	vswst = top_momentumflux_v
[1]	728
	729	!
	730	!-- In every case qs = 0.0 (see also pt)
	731	!-- This could actually be computed more accurately in the 1D model.
	732	!-- Update when opportunity arises!
[1053]	733	IF ( humidity .OR. passive_scalar ) THEN
[1340]	734	qs = 0.0_wp
[1353]	735	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
[1115]	736	precipitation ) THEN
[1340]	737	qrs = 0.0_wp
	738	nrs = 0.0_wp
[1053]	739	ENDIF
	740	ENDIF
[1]	741
	742	!
	743	!-- inside buildings set velocities back to zero
	744	IF ( topography /= 'flat' ) THEN
	745	DO i = nxl-1, nxr+1
	746	DO j = nys-1, nyn+1
[1340]	747	u(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	748	v(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
[1]	749	ENDDO
	750	ENDDO
[667]	751
[1]	752	!
	753	!-- WARNING: The extra boundary conditions set after running the
	754	!-- ------- 1D model impose an error on the divergence one layer
	755	!-- below the topography; need to correct later
	756	!-- ATTENTION: Provisional correction for Piacsek & Williams
	757	!-- --------- advection scheme: keep u and v zero one layer below
	758	!-- the topography.
[667]	759	IF ( ibc_uv_b == 1 ) THEN
	760	!
[1]	761	!-- Neumann condition
	762	DO i = nxl-1, nxr+1
	763	DO j = nys-1, nyn+1
	764	IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i)
	765	IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i)
	766	ENDDO
	767	ENDDO
	768
	769	ENDIF
	770
	771	ENDIF
	772
[1402]	773	CALL location_message( 'finished', .TRUE. )
[1384]	774
[1]	775	ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) &
	776	THEN
[1241]	777
[1402]	778	CALL location_message( 'initializing with constant profiles', .FALSE. )
[1]	779	!
[1241]	780	!-- Overwrite initial profiles in case of nudging
	781	IF ( nudging ) THEN
	782	pt_init = ptnudge(:,1)
	783	u_init = unudge(:,1)
	784	v_init = vnudge(:,1)
	785	IF ( humidity .OR. passive_scalar ) THEN
	786	q_init = qnudge(:,1)
	787	ENDIF
	788
	789	WRITE( message_string, * ) 'Initial profiles of u, v and ', &
	790	'scalars from NUDGING_DATA are used.'
	791	CALL message( 'init_3d_model', 'PA0370', 0, 0, 0, 6, 0 )
	792	ENDIF
	793
	794	!
[1]	795	!-- Use constructed initial profiles (velocity constant with height,
	796	!-- temperature profile with constant gradient)
[667]	797	DO i = nxlg, nxrg
	798	DO j = nysg, nyng
[1]	799	pt(:,j,i) = pt_init
	800	u(:,j,i) = u_init
	801	v(:,j,i) = v_init
	802	ENDDO
	803	ENDDO
[75]	804
[1]	805	!
[292]	806	!-- Set initial horizontal velocities at the lowest computational grid
	807	!-- levels to zero in order to avoid too small time steps caused by the
	808	!-- diffusion limit in the initial phase of a run (at k=1, dz/2 occurs
	809	!-- in the limiting formula!). The original values are stored to be later
	810	!-- used for volume flow control.
[1507]	811	IF ( ibc_uv_b /= 1 ) THEN
[1406]	812	DO i = nxlg, nxrg
	813	DO j = nysg, nyng
	814	u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0_wp
	815	v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0_wp
	816	ENDDO
[1]	817	ENDDO
[1406]	818	ENDIF
[1]	819
[75]	820	IF ( humidity .OR. passive_scalar ) THEN
[667]	821	DO i = nxlg, nxrg
	822	DO j = nysg, nyng
[1]	823	q(:,j,i) = q_init
	824	ENDDO
	825	ENDDO
[1115]	826	IF ( cloud_physics .AND. icloud_scheme == 0 ) THEN
	827	!
	828	!-- Initialze nc_1d with default value
	829	nc_1d(:) = nc_const
	830
	831	IF ( precipitation ) THEN
	832	DO i = nxlg, nxrg
	833	DO j = nysg, nyng
[1340]	834	qr(:,j,i) = 0.0_wp
	835	nr(:,j,i) = 0.0_wp
[1115]	836	ENDDO
[1053]	837	ENDDO
[1115]	838	ENDIF
	839
[1053]	840	ENDIF
[1]	841	ENDIF
	842
[94]	843	IF ( ocean ) THEN
[667]	844	DO i = nxlg, nxrg
	845	DO j = nysg, nyng
[94]	846	sa(:,j,i) = sa_init
	847	ENDDO
	848	ENDDO
	849	ENDIF
[1]	850
	851	IF ( constant_diffusion ) THEN
	852	km = km_constant
	853	kh = km / prandtl_number
[1340]	854	e = 0.0_wp
	855	ELSEIF ( e_init > 0.0_wp ) THEN
[108]	856	DO k = nzb+1, nzt
[1340]	857	km(k,:,:) = 0.1_wp * l_grid(k) * SQRT( e_init )
[108]	858	ENDDO
	859	km(nzb,:,:) = km(nzb+1,:,:)
	860	km(nzt+1,:,:) = km(nzt,:,:)
	861	kh = km / prandtl_number
	862	e = e_init
[1]	863	ELSE
[108]	864	IF ( .NOT. ocean ) THEN
[1340]	865	kh = 0.01_wp ! there must exist an initial diffusion, because
	866	km = 0.01_wp ! otherwise no TKE would be produced by the
[108]	867	! production terms, as long as not yet
	868	! e = (u/cm)*2 at k=nzb+1
	869	ELSE
[1340]	870	kh = 0.00001_wp
	871	km = 0.00001_wp
[108]	872	ENDIF
[1340]	873	e = 0.0_wp
[1]	874	ENDIF
[1340]	875	rif = 0.0_wp
	876	ts = 0.0_wp
	877	us = 0.0_wp
	878	usws = 0.0_wp
[102]	879	uswst = top_momentumflux_u
[1340]	880	vsws = 0.0_wp
[102]	881	vswst = top_momentumflux_v
[1340]	882	IF ( humidity .OR. passive_scalar ) qs = 0.0_wp
[1]	883
	884	!
	885	!-- Compute initial temperature field and other constants used in case
	886	!-- of a sloping surface
	887	IF ( sloping_surface ) CALL init_slope
	888
[1402]	889	CALL location_message( 'finished', .TRUE. )
[1384]	890
[46]	891	ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) &
	892	THEN
[1384]	893
[1402]	894	CALL location_message( 'initializing by user', .FALSE. )
[46]	895	!
	896	!-- Initialization will completely be done by the user
	897	CALL user_init_3d_model
	898
[1402]	899	CALL location_message( 'finished', .TRUE. )
[1384]	900
[1]	901	ENDIF
[1384]	902
[1402]	903	CALL location_message( 'initializing statistics, boundary conditions, etc.', &
	904	.FALSE. )
[1384]	905
[667]	906	!
	907	!-- Bottom boundary
	908	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2 ) THEN
[1340]	909	u(nzb,:,:) = 0.0_wp
	910	v(nzb,:,:) = 0.0_wp
[667]	911	ENDIF
[1]	912
	913	!
[151]	914	!-- Apply channel flow boundary condition
[132]	915	IF ( TRIM( bc_uv_t ) == 'dirichlet_0' ) THEN
[1340]	916	u(nzt+1,:,:) = 0.0_wp
	917	v(nzt+1,:,:) = 0.0_wp
[132]	918	ENDIF
	919
	920	!
[1]	921	!-- Calculate virtual potential temperature
[1340]	922	IF ( humidity ) vpt = pt * ( 1.0_wp + 0.61_wp * q )
[1]	923
	924	!
	925	!-- Store initial profiles for output purposes etc.
	926	hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 )
	927	hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 )
[667]	928	IF ( ibc_uv_b == 0 .OR. ibc_uv_b == 2) THEN
[1340]	929	hom(nzb,1,5,:) = 0.0_wp
	930	hom(nzb,1,6,:) = 0.0_wp
[1]	931	ENDIF
	932	hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	933	hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 )
	934	hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 )
	935
[97]	936	IF ( ocean ) THEN
	937	!
	938	!-- Store initial salinity profile
	939	hom(:,1,26,:) = SPREAD( sa(:,nys,nxl), 2, statistic_regions+1 )
	940	ENDIF
[1]	941
[75]	942	IF ( humidity ) THEN
[1]	943	!
	944	!-- Store initial profile of total water content, virtual potential
	945	!-- temperature
	946	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	947	hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 )
	948	IF ( cloud_physics .OR. cloud_droplets ) THEN
	949	!
	950	!-- Store initial profile of specific humidity and potential
	951	!-- temperature
	952	hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	953	hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 )
	954	ENDIF
	955	ENDIF
	956
	957	IF ( passive_scalar ) THEN
	958	!
	959	!-- Store initial scalar profile
	960	hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 )
	961	ENDIF
	962
	963	!
[1400]	964	!-- Initialize the random number generators (from numerical recipes)
	965	CALL random_function_ini
[1429]	966
[1400]	967	IF ( random_generator == 'random-parallel' ) THEN
[1429]	968	!-- Asigning an ID to every vertical gridpoint column
	969	!-- dependig on the ensemble run number.
	970	random_dummy=1
[1400]	971	DO j=0,ny
	972	DO i=0,nx
[1429]	973	id_random_array(j,i) = random_dummy + 1E6 * ( ensemble_member_nr - 1000 )
	974	random_dummy = random_dummy + 1
[1400]	975	END DO
	976	ENDDO
[1429]	977	!-- Initializing with random_seed_parallel for every vertical
	978	!-- gridpoint column.
	979	random_dummy=0
[1400]	980	DO j = nysg, nyng
	981	DO i = nxlg, nxrg
	982	CALL random_seed_parallel (random_sequence=id_random_array(j, i))
	983	CALL random_number_parallel (random_dummy)
	984	CALL random_seed_parallel (get=seq_random_array(:, j, i))
	985	END DO
	986	ENDDO
	987	ENDIF
	988
	989	!
[19]	990	!-- Initialize fluxes at bottom surface
[1]	991	IF ( use_surface_fluxes ) THEN
	992
	993	IF ( constant_heatflux ) THEN
	994	!
	995	!-- Heat flux is prescribed
	996	IF ( random_heatflux ) THEN
	997	CALL disturb_heatflux
	998	ELSE
	999	shf = surface_heatflux
	1000	!
[1241]	1001	!-- Initialize shf with data from external file LSF_DATA
	1002	IF ( large_scale_forcing .AND. lsf_surf ) THEN
	1003	CALL ls_forcing_surf ( simulated_time )
	1004	ENDIF
	1005
	1006	!
[1]	1007	!-- Over topography surface_heatflux is replaced by wall_heatflux(0)
	1008	IF ( TRIM( topography ) /= 'flat' ) THEN
[667]	1009	DO i = nxlg, nxrg
	1010	DO j = nysg, nyng
[1]	1011	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1012	shf(j,i) = wall_heatflux(0)
	1013	ENDIF
	1014	ENDDO
	1015	ENDDO
	1016	ENDIF
	1017	ENDIF
	1018	ENDIF
	1019
	1020	!
	1021	!-- Determine the near-surface water flux
[75]	1022	IF ( humidity .OR. passive_scalar ) THEN
[1115]	1023	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1024	precipitation ) THEN
[1340]	1025	qrsws = 0.0_wp
	1026	nrsws = 0.0_wp
[1053]	1027	ENDIF
[1]	1028	IF ( constant_waterflux ) THEN
	1029	qsws = surface_waterflux
[407]	1030	!
	1031	!-- Over topography surface_waterflux is replaced by
	1032	!-- wall_humidityflux(0)
	1033	IF ( TRIM( topography ) /= 'flat' ) THEN
	1034	wall_qflux = wall_humidityflux
[667]	1035	DO i = nxlg, nxrg
	1036	DO j = nysg, nyng
[407]	1037	IF ( nzb_s_inner(j,i) /= 0 ) THEN
	1038	qsws(j,i) = wall_qflux(0)
	1039	ENDIF
	1040	ENDDO
	1041	ENDDO
	1042	ENDIF
[1]	1043	ENDIF
	1044	ENDIF
	1045
	1046	ENDIF
	1047
	1048	!
[19]	1049	!-- Initialize fluxes at top surface
[94]	1050	!-- Currently, only the heatflux and salinity flux can be prescribed.
	1051	!-- The latent flux is zero in this case!
[19]	1052	IF ( use_top_fluxes ) THEN
	1053
	1054	IF ( constant_top_heatflux ) THEN
	1055	!
	1056	!-- Heat flux is prescribed
	1057	tswst = top_heatflux
	1058
[1053]	1059	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1060	qswst = 0.0_wp
[1115]	1061	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1062	precipitation ) THEN
[1340]	1063	nrswst = 0.0_wp
	1064	qrswst = 0.0_wp
[1053]	1065	ENDIF
	1066	ENDIF
[94]	1067
	1068	IF ( ocean ) THEN
[95]	1069	saswsb = bottom_salinityflux
[94]	1070	saswst = top_salinityflux
	1071	ENDIF
[102]	1072	ENDIF
[19]	1073
[102]	1074	!
	1075	!-- Initialization in case of a coupled model run
	1076	IF ( coupling_mode == 'ocean_to_atmosphere' ) THEN
[1340]	1077	tswst = 0.0_wp
[102]	1078	ENDIF
	1079
[19]	1080	ENDIF
	1081
	1082	!
[1]	1083	!-- Initialize Prandtl layer quantities
	1084	IF ( prandtl_layer ) THEN
	1085
	1086	z0 = roughness_length
[978]	1087	z0h = z0h_factor * z0
[1]	1088
	1089	IF ( .NOT. constant_heatflux ) THEN
	1090	!
	1091	!-- Surface temperature is prescribed. Here the heat flux cannot be
	1092	!-- simply estimated, because therefore rif, u* and theta* would have
	1093	!-- to be computed by iteration. This is why the heat flux is assumed
	1094	!-- to be zero before the first time step. It approaches its correct
	1095	!-- value in the course of the first few time steps.
[1340]	1096	shf = 0.0_wp
[1]	1097	ENDIF
	1098
[75]	1099	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1100	IF ( .NOT. constant_waterflux ) qsws = 0.0_wp
[1115]	1101	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1102	precipitation ) THEN
[1340]	1103	qrsws = 0.0_wp
	1104	nrsws = 0.0_wp
[1053]	1105	ENDIF
[1]	1106	ENDIF
	1107
	1108	ENDIF
	1109
[1179]	1110	!
	1111	!-- Set the reference state to be used in the buoyancy terms (for ocean runs
	1112	!-- the reference state will be set (overwritten) in init_ocean)
	1113	IF ( use_single_reference_value ) THEN
	1114	IF ( .NOT. humidity ) THEN
	1115	ref_state(:) = pt_reference
	1116	ELSE
	1117	ref_state(:) = vpt_reference
	1118	ENDIF
	1119	ELSE
	1120	IF ( .NOT. humidity ) THEN
	1121	ref_state(:) = pt_init(:)
	1122	ELSE
	1123	ref_state(:) = vpt(:,nys,nxl)
	1124	ENDIF
	1125	ENDIF
[152]	1126
	1127	!
[707]	1128	!-- For the moment, vertical velocity is zero
[1340]	1129	w = 0.0_wp
[1]	1130
	1131	!
	1132	!-- Initialize array sums (must be defined in first call of pres)
[1340]	1133	sums = 0.0_wp
[1]	1134
	1135	!
[707]	1136	!-- In case of iterative solvers, p must get an initial value
[1340]	1137	IF ( psolver == 'multigrid' .OR. psolver == 'sor' ) p = 0.0_wp
[707]	1138
	1139	!
[72]	1140	!-- Treating cloud physics, liquid water content and precipitation amount
	1141	!-- are zero at beginning of the simulation
	1142	IF ( cloud_physics ) THEN
[1340]	1143	ql = 0.0_wp
	1144	IF ( precipitation ) precipitation_amount = 0.0_wp
[1115]	1145	IF ( icloud_scheme == 0 ) THEN
[1340]	1146	qc = 0.0_wp
[1115]	1147	nc_1d = nc_const
	1148	ENDIF
[72]	1149	ENDIF
[673]	1150	!
[1]	1151	!-- Impose vortex with vertical axis on the initial velocity profile
	1152	IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN
	1153	CALL init_rankine
	1154	ENDIF
	1155
	1156	!
	1157	!-- Impose temperature anomaly (advection test only)
	1158	IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN
	1159	CALL init_pt_anomaly
	1160	ENDIF
	1161
	1162	!
	1163	!-- If required, change the surface temperature at the start of the 3D run
[1340]	1164	IF ( pt_surface_initial_change /= 0.0_wp ) THEN
[1]	1165	pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change
	1166	ENDIF
	1167
	1168	!
	1169	!-- If required, change the surface humidity/scalar at the start of the 3D
	1170	!-- run
[75]	1171	IF ( ( humidity .OR. passive_scalar ) .AND. &
[1340]	1172	q_surface_initial_change /= 0.0_wp ) THEN
[1]	1173	q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change
	1174	ENDIF
	1175
	1176	!
	1177	!-- Initialize old and new time levels.
[1340]	1178	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
[1]	1179	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
	1180
[75]	1181	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1182	tq_m = 0.0_wp
[1]	1183	q_p = q
[1115]	1184	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1185	precipitation ) THEN
[1340]	1186	tqr_m = 0.0_wp
[1053]	1187	qr_p = qr
[1340]	1188	tnr_m = 0.0_wp
[1053]	1189	nr_p = nr
	1190	ENDIF
[1]	1191	ENDIF
	1192
[94]	1193	IF ( ocean ) THEN
[1340]	1194	tsa_m = 0.0_wp
[94]	1195	sa_p = sa
	1196	ENDIF
[667]	1197
[1402]	1198	CALL location_message( 'finished', .TRUE. )
[94]	1199
[147]	1200	ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' .OR. &
[667]	1201	TRIM( initializing_actions ) == 'cyclic_fill' ) &
[1]	1202	THEN
[1384]	1203
[1402]	1204	CALL location_message( 'initializing in case of restart / cyclic_fill', &
	1205	.FALSE. )
[1]	1206	!
[767]	1207	!-- When reading data for cyclic fill of 3D prerun data files, read
	1208	!-- some of the global variables from the restart file which are required
	1209	!-- for initializing the inflow
[328]	1210	IF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
[559]	1211
[759]	1212	DO i = 0, io_blocks-1
	1213	IF ( i == io_group ) THEN
	1214	CALL read_parts_of_var_list
	1215	CALL close_file( 13 )
	1216	ENDIF
	1217	#if defined( __parallel )
	1218	CALL MPI_BARRIER( comm2d, ierr )
	1219	#endif
	1220	ENDDO
[328]	1221
[767]	1222	ENDIF
	1223
[151]	1224	!
[767]	1225	!-- Read binary data from restart file
	1226	DO i = 0, io_blocks-1
	1227	IF ( i == io_group ) THEN
	1228	CALL read_3d_binary
	1229	ENDIF
	1230	#if defined( __parallel )
	1231	CALL MPI_BARRIER( comm2d, ierr )
	1232	#endif
	1233	ENDDO
	1234
[328]	1235	!
[767]	1236	!-- Initialization of the turbulence recycling method
	1237	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1238	turbulent_inflow ) THEN
	1239	!
	1240	!-- First store the profiles to be used at the inflow.
	1241	!-- These profiles are the (temporally) and horizontally averaged vertical
	1242	!-- profiles from the prerun. Alternatively, prescribed profiles
	1243	!-- for u,v-components can be used.
	1244	ALLOCATE( mean_inflow_profiles(nzb:nzt+1,5) )
[151]	1245
[767]	1246	IF ( use_prescribed_profile_data ) THEN
	1247	mean_inflow_profiles(:,1) = u_init ! u
	1248	mean_inflow_profiles(:,2) = v_init ! v
	1249	ELSE
[328]	1250	mean_inflow_profiles(:,1) = hom_sum(:,1,0) ! u
	1251	mean_inflow_profiles(:,2) = hom_sum(:,2,0) ! v
[767]	1252	ENDIF
	1253	mean_inflow_profiles(:,4) = hom_sum(:,4,0) ! pt
	1254	mean_inflow_profiles(:,5) = hom_sum(:,8,0) ! e
[151]	1255
	1256	!
[767]	1257	!-- If necessary, adjust the horizontal flow field to the prescribed
	1258	!-- profiles
	1259	IF ( use_prescribed_profile_data ) THEN
	1260	DO i = nxlg, nxrg
[667]	1261	DO j = nysg, nyng
[328]	1262	DO k = nzb, nzt+1
[767]	1263	u(k,j,i) = u(k,j,i) - hom_sum(k,1,0) + u_init(k)
	1264	v(k,j,i) = v(k,j,i) - hom_sum(k,2,0) + v_init(k)
[328]	1265	ENDDO
[151]	1266	ENDDO
[767]	1267	ENDDO
	1268	ENDIF
[151]	1269
	1270	!
[767]	1271	!-- Use these mean profiles at the inflow (provided that Dirichlet
	1272	!-- conditions are used)
	1273	IF ( inflow_l ) THEN
	1274	DO j = nysg, nyng
	1275	DO k = nzb, nzt+1
	1276	u(k,j,nxlg:-1) = mean_inflow_profiles(k,1)
	1277	v(k,j,nxlg:-1) = mean_inflow_profiles(k,2)
[1340]	1278	w(k,j,nxlg:-1) = 0.0_wp
[767]	1279	pt(k,j,nxlg:-1) = mean_inflow_profiles(k,4)
	1280	e(k,j,nxlg:-1) = mean_inflow_profiles(k,5)
	1281	ENDDO
	1282	ENDDO
	1283	ENDIF
	1284
[151]	1285	!
[767]	1286	!-- Calculate the damping factors to be used at the inflow. For a
	1287	!-- turbulent inflow the turbulent fluctuations have to be limited
	1288	!-- vertically because otherwise the turbulent inflow layer will grow
	1289	!-- in time.
[1340]	1290	IF ( inflow_damping_height == 9999999.9_wp ) THEN
[767]	1291	!
	1292	!-- Default: use the inversion height calculated by the prerun; if
	1293	!-- this is zero, inflow_damping_height must be explicitly
	1294	!-- specified.
[1340]	1295	IF ( hom_sum(nzb+6,pr_palm,0) /= 0.0_wp ) THEN
[767]	1296	inflow_damping_height = hom_sum(nzb+6,pr_palm,0)
	1297	ELSE
	1298	WRITE( message_string, * ) 'inflow_damping_height must be ',&
	1299	'explicitly specified because&the inversion height ', &
	1300	'calculated by the prerun is zero.'
	1301	CALL message( 'init_3d_model', 'PA0318', 1, 2, 0, 6, 0 )
[292]	1302	ENDIF
[151]	1303
[767]	1304	ENDIF
	1305
[1340]	1306	IF ( inflow_damping_width == 9999999.9_wp ) THEN
[151]	1307	!
[767]	1308	!-- Default for the transition range: one tenth of the undamped
	1309	!-- layer
[1340]	1310	inflow_damping_width = 0.1_wp * inflow_damping_height
[151]	1311
[767]	1312	ENDIF
[151]	1313
[767]	1314	ALLOCATE( inflow_damping_factor(nzb:nzt+1) )
[151]	1315
[767]	1316	DO k = nzb, nzt+1
[151]	1317
[767]	1318	IF ( zu(k) <= inflow_damping_height ) THEN
[1340]	1319	inflow_damping_factor(k) = 1.0_wp
[996]	1320	ELSEIF ( zu(k) <= ( inflow_damping_height + inflow_damping_width ) ) THEN
[1340]	1321	inflow_damping_factor(k) = 1.0_wp - &
[996]	1322	( zu(k) - inflow_damping_height ) / &
	1323	inflow_damping_width
[767]	1324	ELSE
[1340]	1325	inflow_damping_factor(k) = 0.0_wp
[767]	1326	ENDIF
[151]	1327
[767]	1328	ENDDO
[151]	1329
[147]	1330	ENDIF
	1331
[152]	1332	!
[359]	1333	!-- Inside buildings set velocities and TKE back to zero
	1334	IF ( TRIM( initializing_actions ) == 'cyclic_fill' .AND. &
	1335	topography /= 'flat' ) THEN
	1336	!
	1337	!-- Inside buildings set velocities and TKE back to zero.
	1338	!-- Other scalars (pt, q, s, km, kh, p, sa, ...) are ignored at present,
	1339	!-- maybe revise later.
[1001]	1340	DO i = nxlg, nxrg
	1341	DO j = nysg, nyng
[1340]	1342	u (nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1343	v (nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1344	w (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1345	e (nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1346	tu_m(nzb:nzb_u_inner(j,i),j,i) = 0.0_wp
	1347	tv_m(nzb:nzb_v_inner(j,i),j,i) = 0.0_wp
	1348	tw_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1349	te_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
	1350	tpt_m(nzb:nzb_w_inner(j,i),j,i) = 0.0_wp
[359]	1351	ENDDO
[1001]	1352	ENDDO
[359]	1353
	1354	ENDIF
	1355
	1356	!
[1]	1357	!-- Calculate initial temperature field and other constants used in case
	1358	!-- of a sloping surface
	1359	IF ( sloping_surface ) CALL init_slope
	1360
	1361	!
	1362	!-- Initialize new time levels (only done in order to set boundary values
	1363	!-- including ghost points)
	1364	e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w
[1053]	1365	IF ( humidity .OR. passive_scalar ) THEN
	1366	q_p = q
[1115]	1367	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1368	precipitation ) THEN
[1053]	1369	qr_p = qr
	1370	nr_p = nr
	1371	ENDIF
	1372	ENDIF
[94]	1373	IF ( ocean ) sa_p = sa
[1]	1374
[181]	1375	!
	1376	!-- Allthough tendency arrays are set in prognostic_equations, they have
	1377	!-- have to be predefined here because they are used (but multiplied with 0)
	1378	!-- there before they are set.
[1340]	1379	te_m = 0.0_wp; tpt_m = 0.0_wp; tu_m = 0.0_wp; tv_m = 0.0_wp; tw_m = 0.0_wp
[1053]	1380	IF ( humidity .OR. passive_scalar ) THEN
[1340]	1381	tq_m = 0.0_wp
[1115]	1382	IF ( cloud_physics .AND. icloud_scheme == 0 .AND. &
	1383	precipitation ) THEN
[1340]	1384	tqr_m = 0.0_wp
	1385	tnr_m = 0.0_wp
[1053]	1386	ENDIF
	1387	ENDIF
[1340]	1388	IF ( ocean ) tsa_m = 0.0_wp
[181]	1389
[1402]	1390	CALL location_message( 'finished', .TRUE. )
[1384]	1391
[1]	1392	ELSE
	1393	!
	1394	!-- Actually this part of the programm should not be reached
[254]	1395	message_string = 'unknown initializing problem'
	1396	CALL message( 'init_3d_model', 'PA0193', 1, 2, 0, 6, 0 )
[1]	1397	ENDIF
	1398
[151]	1399
	1400	IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
[1]	1401	!
[151]	1402	!-- Initialize old timelevels needed for radiation boundary conditions
	1403	IF ( outflow_l ) THEN
	1404	u_m_l(:,:,:) = u(:,:,1:2)
	1405	v_m_l(:,:,:) = v(:,:,0:1)
	1406	w_m_l(:,:,:) = w(:,:,0:1)
	1407	ENDIF
	1408	IF ( outflow_r ) THEN
	1409	u_m_r(:,:,:) = u(:,:,nx-1:nx)
	1410	v_m_r(:,:,:) = v(:,:,nx-1:nx)
	1411	w_m_r(:,:,:) = w(:,:,nx-1:nx)
	1412	ENDIF
	1413	IF ( outflow_s ) THEN
	1414	u_m_s(:,:,:) = u(:,0:1,:)
	1415	v_m_s(:,:,:) = v(:,1:2,:)
	1416	w_m_s(:,:,:) = w(:,0:1,:)
	1417	ENDIF
	1418	IF ( outflow_n ) THEN
	1419	u_m_n(:,:,:) = u(:,ny-1:ny,:)
	1420	v_m_n(:,:,:) = v(:,ny-1:ny,:)
	1421	w_m_n(:,:,:) = w(:,ny-1:ny,:)
	1422	ENDIF
[667]	1423
[151]	1424	ENDIF
[680]	1425
[667]	1426	!
	1427	!-- Calculate the initial volume flow at the right and north boundary
[709]	1428	IF ( conserve_volume_flow ) THEN
[151]	1429
[767]	1430	IF ( use_prescribed_profile_data ) THEN
[667]	1431
[1340]	1432	volume_flow_initial_l = 0.0_wp
	1433	volume_flow_area_l = 0.0_wp
[732]	1434
[667]	1435	IF ( nxr == nx ) THEN
	1436	DO j = nys, nyn
[709]	1437	DO k = nzb_2d(j,nx)+1, nzt
[667]	1438	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[767]	1439	u_init(k) * dzw(k)
	1440	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1441	ENDDO
	1442	ENDDO
	1443	ENDIF
	1444
	1445	IF ( nyn == ny ) THEN
	1446	DO i = nxl, nxr
	1447	DO k = nzb_2d(ny,i)+1, nzt
	1448	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1449	v_init(k) * dzw(k)
	1450	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1451	ENDDO
	1452	ENDDO
	1453	ENDIF
	1454
	1455	#if defined( __parallel )
	1456	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1457	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1458	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1459	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1460
	1461	#else
	1462	volume_flow_initial = volume_flow_initial_l
	1463	volume_flow_area = volume_flow_area_l
	1464	#endif
	1465
	1466	ELSEIF ( TRIM( initializing_actions ) == 'cyclic_fill' ) THEN
	1467
[1340]	1468	volume_flow_initial_l = 0.0_wp
	1469	volume_flow_area_l = 0.0_wp
[767]	1470
	1471	IF ( nxr == nx ) THEN
	1472	DO j = nys, nyn
	1473	DO k = nzb_2d(j,nx)+1, nzt
	1474	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[667]	1475	hom_sum(k,1,0) * dzw(k)
	1476	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1477	ENDDO
	1478	ENDDO
	1479	ENDIF
	1480
	1481	IF ( nyn == ny ) THEN
	1482	DO i = nxl, nxr
[709]	1483	DO k = nzb_2d(ny,i)+1, nzt
[667]	1484	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
[709]	1485	hom_sum(k,2,0) * dzw(k)
[667]	1486	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1487	ENDDO
	1488	ENDDO
	1489	ENDIF
	1490
[732]	1491	#if defined( __parallel )
	1492	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1493	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1494	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1495	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1496
	1497	#else
	1498	volume_flow_initial = volume_flow_initial_l
	1499	volume_flow_area = volume_flow_area_l
	1500	#endif
	1501
[667]	1502	ELSEIF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN
	1503
[1340]	1504	volume_flow_initial_l = 0.0_wp
	1505	volume_flow_area_l = 0.0_wp
[732]	1506
[667]	1507	IF ( nxr == nx ) THEN
	1508	DO j = nys, nyn
[709]	1509	DO k = nzb_2d(j,nx)+1, nzt
[667]	1510	volume_flow_initial_l(1) = volume_flow_initial_l(1) + &
[709]	1511	u(k,j,nx) * dzw(k)
[667]	1512	volume_flow_area_l(1) = volume_flow_area_l(1) + dzw(k)
	1513	ENDDO
	1514	ENDDO
	1515	ENDIF
	1516
	1517	IF ( nyn == ny ) THEN
	1518	DO i = nxl, nxr
[709]	1519	DO k = nzb_2d(ny,i)+1, nzt
[667]	1520	volume_flow_initial_l(2) = volume_flow_initial_l(2) + &
	1521	v(k,ny,i) * dzw(k)
	1522	volume_flow_area_l(2) = volume_flow_area_l(2) + dzw(k)
	1523	ENDDO
	1524	ENDDO
	1525	ENDIF
	1526
	1527	#if defined( __parallel )
[732]	1528	CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),&
	1529	2, MPI_REAL, MPI_SUM, comm2d, ierr )
	1530	CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), &
	1531	2, MPI_REAL, MPI_SUM, comm2d, ierr )
[667]	1532
	1533	#else
[732]	1534	volume_flow_initial = volume_flow_initial_l
	1535	volume_flow_area = volume_flow_area_l
[667]	1536	#endif
	1537
[732]	1538	ENDIF
	1539
[151]	1540	!
[709]	1541	!-- In case of 'bulk_velocity' mode, volume_flow_initial is calculated
	1542	!-- from u\|v_bulk instead
[680]	1543	IF ( TRIM( conserve_volume_flow_mode ) == 'bulk_velocity' ) THEN
	1544	volume_flow_initial(1) = u_bulk * volume_flow_area(1)
	1545	volume_flow_initial(2) = v_bulk * volume_flow_area(2)
	1546	ENDIF
[667]	1547
[680]	1548	ENDIF
	1549
[787]	1550	!
	1551	!-- Initialize quantities for special advections schemes
	1552	CALL init_advec
[680]	1553
[667]	1554	!
[680]	1555	!-- Impose random perturbation on the horizontal velocity field and then
	1556	!-- remove the divergences from the velocity field at the initial stage
	1557	IF ( create_disturbances .AND. &
	1558	TRIM( initializing_actions ) /= 'read_restart_data' .AND. &
	1559	TRIM( initializing_actions ) /= 'cyclic_fill' ) THEN
	1560
[1402]	1561	CALL location_message( 'creating initial disturbances', .FALSE. )
[680]	1562	CALL disturb_field( nzb_u_inner, tend, u )
	1563	CALL disturb_field( nzb_v_inner, tend, v )
[1402]	1564	CALL location_message( 'finished', .TRUE. )
[1384]	1565
[1402]	1566	CALL location_message( 'calling pressure solver', .FALSE. )
[680]	1567	n_sor = nsor_ini
[1221]	1568	!$acc data copyin( d, ddzu, ddzw, nzb_s_inner, nzb_u_inner ) &
	1569	!$acc copyin( nzb_v_inner, nzb_w_inner, p, rflags_s_inner, tend ) &
	1570	!$acc copyin( weight_pres, weight_substep ) &
	1571	!$acc copy( tri, tric, u, v, w )
[680]	1572	CALL pres
[1111]	1573	!$acc end data
[680]	1574	n_sor = nsor
[1402]	1575	CALL location_message( 'finished', .TRUE. )
[1384]	1576
[680]	1577	ENDIF
	1578
	1579	!
[1484]	1580	!-- If required, initialize quantities needed for the plant canopy model
	1581	IF ( plant_canopy ) CALL init_plant_canopy
[138]	1582
	1583	!
[1]	1584	!-- If required, initialize dvrp-software
[1340]	1585	IF ( dt_dvrp /= 9999999.9_wp ) CALL init_dvrp
[1]	1586
[96]	1587	IF ( ocean ) THEN
[1]	1588	!
[96]	1589	!-- Initialize quantities needed for the ocean model
	1590	CALL init_ocean
[388]	1591
[96]	1592	ELSE
	1593	!
	1594	!-- Initialize quantities for handling cloud physics
[849]	1595	!-- This routine must be called before lpm_init, because
[96]	1596	!-- otherwise, array pt_d_t, needed in data_output_dvrp (called by
[849]	1597	!-- lpm_init) is not defined.
[96]	1598	CALL init_cloud_physics
	1599	ENDIF
[1]	1600
	1601	!
	1602	!-- If required, initialize particles
[849]	1603	IF ( particle_advection ) CALL lpm_init
[1]	1604
[1496]	1605
[1]	1606	!
[1496]	1607	!-- If required, initialize radiation model
	1608	IF ( radiation ) THEN
	1609	CALL init_radiation
	1610	ENDIF
	1611
	1612	!
	1613	!-- If required, initialize quantities needed for the LSM
	1614	IF ( land_surface ) THEN
	1615	CALL init_lsm
	1616	ENDIF
	1617
	1618	!
[673]	1619	!-- Initialize the ws-scheme.
	1620	IF ( ws_scheme_sca .OR. ws_scheme_mom ) CALL ws_init
[1]	1621
	1622	!
[709]	1623	!-- Setting weighting factors for calculation of perturbation pressure
	1624	!-- and turbulent quantities from the RK substeps
	1625	IF ( TRIM(timestep_scheme) == 'runge-kutta-3' ) THEN ! for RK3-method
	1626
[1322]	1627	weight_substep(1) = 1._wp/6._wp
	1628	weight_substep(2) = 3._wp/10._wp
	1629	weight_substep(3) = 8._wp/15._wp
[709]	1630
[1322]	1631	weight_pres(1) = 1._wp/3._wp
	1632	weight_pres(2) = 5._wp/12._wp
	1633	weight_pres(3) = 1._wp/4._wp
[709]	1634
	1635	ELSEIF ( TRIM(timestep_scheme) == 'runge-kutta-2' ) THEN ! for RK2-method
	1636
[1322]	1637	weight_substep(1) = 1._wp/2._wp
	1638	weight_substep(2) = 1._wp/2._wp
[673]	1639
[1322]	1640	weight_pres(1) = 1._wp/2._wp
	1641	weight_pres(2) = 1._wp/2._wp
[709]	1642
[1001]	1643	ELSE ! for Euler-method
[709]	1644
[1340]	1645	weight_substep(1) = 1.0_wp
	1646	weight_pres(1) = 1.0_wp
[709]	1647
[673]	1648	ENDIF
	1649
	1650	!
[1]	1651	!-- Initialize Rayleigh damping factors
[1340]	1652	rdf = 0.0_wp
	1653	rdf_sc = 0.0_wp
	1654	IF ( rayleigh_damping_factor /= 0.0_wp ) THEN
[108]	1655	IF ( .NOT. ocean ) THEN
	1656	DO k = nzb+1, nzt
	1657	IF ( zu(k) >= rayleigh_damping_height ) THEN
	1658	rdf(k) = rayleigh_damping_factor * &
[1340]	1659	( SIN( pi * 0.5_wp * ( zu(k) - rayleigh_damping_height ) &
	1660	/ ( zu(nzt) - rayleigh_damping_height ) )&
[1]	1661	)**2
[108]	1662	ENDIF
	1663	ENDDO
	1664	ELSE
	1665	DO k = nzt, nzb+1, -1
	1666	IF ( zu(k) <= rayleigh_damping_height ) THEN
	1667	rdf(k) = rayleigh_damping_factor * &
[1340]	1668	( SIN( pi * 0.5_wp * ( rayleigh_damping_height - zu(k) ) &
	1669	/ ( rayleigh_damping_height - zu(nzb+1)))&
[108]	1670	)**2
	1671	ENDIF
	1672	ENDDO
	1673	ENDIF
[1]	1674	ENDIF
[785]	1675	IF ( scalar_rayleigh_damping ) rdf_sc = rdf
[1]	1676
	1677	!
[240]	1678	!-- Initialize the starting level and the vertical smoothing factor used for
	1679	!-- the external pressure gradient
[1340]	1680	dp_smooth_factor = 1.0_wp
[240]	1681	IF ( dp_external ) THEN
	1682	!
	1683	!-- Set the starting level dp_level_ind_b only if it has not been set before
	1684	!-- (e.g. in init_grid).
	1685	IF ( dp_level_ind_b == 0 ) THEN
	1686	ind_array = MINLOC( ABS( dp_level_b - zu ) )
	1687	dp_level_ind_b = ind_array(1) - 1 + nzb
	1688	! MINLOC uses lower array bound 1
	1689	ENDIF
	1690	IF ( dp_smooth ) THEN
[1340]	1691	dp_smooth_factor(:dp_level_ind_b) = 0.0_wp
[240]	1692	DO k = dp_level_ind_b+1, nzt
[1340]	1693	dp_smooth_factor(k) = 0.5_wp * ( 1.0_wp + SIN( pi * &
	1694	( REAL( k - dp_level_ind_b, KIND=wp ) / &
	1695	REAL( nzt - dp_level_ind_b, KIND=wp ) - 0.5_wp ) ) )
[240]	1696	ENDDO
	1697	ENDIF
	1698	ENDIF
	1699
	1700	!
[978]	1701	!-- Initialize damping zone for the potential temperature in case of
	1702	!-- non-cyclic lateral boundaries. The damping zone has the maximum value
	1703	!-- at the inflow boundary and decreases to zero at pt_damping_width.
[1340]	1704	ptdf_x = 0.0_wp
	1705	ptdf_y = 0.0_wp
[1159]	1706	IF ( bc_lr_dirrad ) THEN
[996]	1707	DO i = nxl, nxr
[978]	1708	IF ( ( i * dx ) < pt_damping_width ) THEN
[1340]	1709	ptdf_x(i) = pt_damping_factor * ( SIN( pi * 0.5_wp * &
	1710	REAL( pt_damping_width - i * dx, KIND=wp ) / ( &
	1711	REAL( pt_damping_width, KIND=wp ) ) ) )**2
[73]	1712	ENDIF
	1713	ENDDO
[1159]	1714	ELSEIF ( bc_lr_raddir ) THEN
[996]	1715	DO i = nxl, nxr
[978]	1716	IF ( ( i * dx ) > ( nx * dx - pt_damping_width ) ) THEN
[1322]	1717	ptdf_x(i) = pt_damping_factor * &
[1340]	1718	SIN( pi * 0.5_wp * &
	1719	( ( i - nx ) * dx + pt_damping_width ) / &
	1720	REAL( pt_damping_width, KIND=wp ) )**2
[73]	1721	ENDIF
[978]	1722	ENDDO
[1159]	1723	ELSEIF ( bc_ns_dirrad ) THEN
[996]	1724	DO j = nys, nyn
[978]	1725	IF ( ( j * dy ) > ( ny * dy - pt_damping_width ) ) THEN
[1322]	1726	ptdf_y(j) = pt_damping_factor * &
[1340]	1727	SIN( pi * 0.5_wp * &
	1728	( ( j - ny ) * dy + pt_damping_width ) / &
	1729	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1730	ENDIF
[978]	1731	ENDDO
[1159]	1732	ELSEIF ( bc_ns_raddir ) THEN
[996]	1733	DO j = nys, nyn
[978]	1734	IF ( ( j * dy ) < pt_damping_width ) THEN
[1322]	1735	ptdf_y(j) = pt_damping_factor * &
[1340]	1736	SIN( pi * 0.5_wp * &
	1737	( pt_damping_width - j * dy ) / &
	1738	REAL( pt_damping_width, KIND=wp ) )**2
[1]	1739	ENDIF
[73]	1740	ENDDO
[1]	1741	ENDIF
	1742
	1743	!
[709]	1744	!-- Initialize local summation arrays for routine flow_statistics.
	1745	!-- This is necessary because they may not yet have been initialized when they
	1746	!-- are called from flow_statistics (or - depending on the chosen model run -
	1747	!-- are never initialized)
[1340]	1748	sums_divnew_l = 0.0_wp
	1749	sums_divold_l = 0.0_wp
	1750	sums_l_l = 0.0_wp
	1751	sums_up_fraction_l = 0.0_wp
	1752	sums_wsts_bc_l = 0.0_wp
[1]	1753
	1754	!
	1755	!-- Pre-set masks for regional statistics. Default is the total model domain.
[1015]	1756	!-- Ghost points are excluded because counting values at the ghost boundaries
	1757	!-- would bias the statistics
[1340]	1758	rmask = 1.0_wp
	1759	rmask(:,nxlg:nxl-1,:) = 0.0_wp; rmask(:,nxr+1:nxrg,:) = 0.0_wp
	1760	rmask(nysg:nys-1,:,:) = 0.0_wp; rmask(nyn+1:nyng,:,:) = 0.0_wp
[1]	1761
	1762	!
[51]	1763	!-- User-defined initializing actions. Check afterwards, if maximum number
[709]	1764	!-- of allowed timeseries is exceeded
[1]	1765	CALL user_init
	1766
[51]	1767	IF ( dots_num > dots_max ) THEN
[254]	1768	WRITE( message_string, * ) 'number of time series quantities exceeds', &
[274]	1769	' its maximum of dots_max = ', dots_max, &
[254]	1770	' &Please increase dots_max in modules.f90.'
	1771	CALL message( 'init_3d_model', 'PA0194', 1, 2, 0, 6, 0 )
[51]	1772	ENDIF
	1773
[1]	1774	!
	1775	!-- Input binary data file is not needed anymore. This line must be placed
	1776	!-- after call of user_init!
	1777	CALL close_file( 13 )
	1778
	1779	!
	1780	!-- Compute total sum of active mask grid points
	1781	!-- ngp_2dh: number of grid points of a horizontal cross section through the
	1782	!-- total domain
	1783	!-- ngp_3d: number of grid points of the total domain
[132]	1784	ngp_2dh_outer_l = 0
	1785	ngp_2dh_outer = 0
	1786	ngp_2dh_s_inner_l = 0
	1787	ngp_2dh_s_inner = 0
	1788	ngp_2dh_l = 0
	1789	ngp_2dh = 0
[1340]	1790	ngp_3d_inner_l = 0.0_wp
[132]	1791	ngp_3d_inner = 0
	1792	ngp_3d = 0
	1793	ngp_sums = ( nz + 2 ) * ( pr_palm + max_pr_user )
[1]	1794
	1795	DO sr = 0, statistic_regions
	1796	DO i = nxl, nxr
	1797	DO j = nys, nyn
[1340]	1798	IF ( rmask(j,i,sr) == 1.0_wp ) THEN
[1]	1799	!
	1800	!-- All xy-grid points
	1801	ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1
	1802	!
	1803	!-- xy-grid points above topography
	1804	DO k = nzb_s_outer(j,i), nz + 1
	1805	ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1
	1806	ENDDO
[132]	1807	DO k = nzb_s_inner(j,i), nz + 1
	1808	ngp_2dh_s_inner_l(k,sr) = ngp_2dh_s_inner_l(k,sr) + 1
	1809	ENDDO
[1]	1810	!
	1811	!-- All grid points of the total domain above topography
	1812	ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + &
	1813	( nz - nzb_s_inner(j,i) + 2 )
	1814	ENDIF
	1815	ENDDO
	1816	ENDDO
	1817	ENDDO
	1818
	1819	sr = statistic_regions + 1
	1820	#if defined( __parallel )
[622]	1821	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1822	CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, &
[1]	1823	comm2d, ierr )
[622]	1824	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1825	CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, &
[1]	1826	MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1827	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1828	CALL MPI_ALLREDUCE( ngp_2dh_s_inner_l(0,0), ngp_2dh_s_inner(0,0), &
[132]	1829	(nz+2)*sr, MPI_INTEGER, MPI_SUM, comm2d, ierr )
[622]	1830	IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr )
[485]	1831	CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner_tmp(0), sr, MPI_REAL, &
[1]	1832	MPI_SUM, comm2d, ierr )
[485]	1833	ngp_3d_inner = INT( ngp_3d_inner_tmp, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1834	#else
[132]	1835	ngp_2dh = ngp_2dh_l
	1836	ngp_2dh_outer = ngp_2dh_outer_l
	1837	ngp_2dh_s_inner = ngp_2dh_s_inner_l
[485]	1838	ngp_3d_inner = INT( ngp_3d_inner_l, KIND = SELECTED_INT_KIND( 18 ) )
[1]	1839	#endif
	1840
[560]	1841	ngp_3d = INT ( ngp_2dh, KIND = SELECTED_INT_KIND( 18 ) ) * &
	1842	INT ( (nz + 2 ), KIND = SELECTED_INT_KIND( 18 ) )
[1]	1843
	1844	!
	1845	!-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics,
	1846	!-- buoyancy, etc. A zero value will occur for cases where all grid points of
	1847	!-- the respective subdomain lie below the surface topography
[667]	1848	ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) )
[631]	1849	ngp_3d_inner = MAX( INT(1, KIND = SELECTED_INT_KIND( 18 )), &
	1850	ngp_3d_inner(:) )
[667]	1851	ngp_2dh_s_inner = MAX( 1, ngp_2dh_s_inner(:,:) )
[1]	1852
[485]	1853	DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l, ngp_3d_inner_tmp )
[1]	1854
[1402]	1855	CALL location_message( 'leaving init_3d_model', .TRUE. )
[1]	1856
	1857	END SUBROUTINE init_3d_model

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