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source: palm/trunk/SOURCE/time_integration_spinup.f90 @ 4661

Last change on this file since 4661 was 4655, checked in by pavelkrc, 4 years ago
Bugfix: Add possibility to output surface data during spinup
Property svn:keywords set to `Id`
File size: 28.0 KB

Rev	Line
[2296]	1	!> @file time_integration_spinup.f90
[4540]	2	!--------------------------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[2296]	4	!
[4540]	5	! PALM is free software: you can redistribute it and/or modify it under the terms of the GNU General
	6	! Public License as published by the Free Software Foundation, either version 3 of the License, or
	7	! (at your option) any later version.
[2296]	8	!
[4540]	9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the
	10	! implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
	11	! Public License for more details.
[2296]	12	!
[4540]	13	! You should have received a copy of the GNU General Public License along with PALM. If not, see
	14	! <http://www.gnu.org/licenses/>.
[2296]	15	!
[4360]	16	! Copyright 1997-2020 Leibniz Universitaet Hannover
[4540]	17	!--------------------------------------------------------------------------------------------------!
[2296]	18	!
[4540]	19	!
[2296]	20	! Current revisions:
[4540]	21	! -----------------
[4631]	22	!
	23	!
[2296]	24	! Former revisions:
	25	! -----------------
	26	! $Id: time_integration_spinup.f90 4655 2020-08-28 14:28:34Z pavelkrc $
[4655]	27	!
	28	! 4654 2020-08-28 13:47:23Z pavelkrc
	29	! Add possibility to output surface data during spinup (author: J. Resler)
	30	!
	31	! 4635 2020-08-05 16:44:15Z suehring
[4635]	32	! Bugfix in calling radiation_control, was called every dt_spinup rather than only dt_radiation
	33	!
	34	! 4631 2020-08-03 13:48:14Z suehring
[4631]	35	! Set pt1 attribute only element-wise
	36	!
	37	! 4540 2020-05-18 15:23:29Z raasch
[4540]	38	! File re-formatted to follow the PALM coding standard
	39	!
	40	! 4457 2020-03-11 14:20:43Z raasch
	41	! Use statement for exchange horiz added
	42	!
[4457]	43	! 4444 2020-03-05 15:59:50Z raasch
[4540]	44	! Bugfix: cpp-directives for serial mode added
	45	!
[4444]	46	! 4360 2020-01-07 11:25:50Z suehring
[4331]	47	! Enable output of diagnostic quantities, e.g. 2-m temperature
[4540]	48	!
[4331]	49	! 4227 2019-09-10 18:04:34Z gronemeier
[4540]	50	! Implement new palm_date_time_mod
	51	!
[4227]	52	! 4223 2019-09-10 09:20:47Z gronemeier
[4182]	53	! Corrected "Former revisions" section
[4540]	54	!
[4182]	55	! 4064 2019-07-01 05:33:33Z gronemeier
[4064]	56	! Moved call to radiation module out of intermediate time loop
[4540]	57	!
[4064]	58	! 4023 2019-06-12 13:20:01Z maronga
[4023]	59	! Time stamps are now negative in run control output
[4540]	60	!
[4023]	61	! 3885 2019-04-11 11:29:34Z kanani
[4540]	62	! Changes related to global restructuring of location messages and introduction of additional debug
	63	! messages
	64	!
[3885]	65	! 3766 2019-02-26 16:23:41Z raasch
[4540]	66	! Unused variable removed
	67	!
[3766]	68	! 3719 2019-02-06 13:10:18Z kanani
[4540]	69	! Removed log_point(19,54,74,50,75), since they count together with same log points in
	70	! time_integration, impossible to separate the contributions. Instead, the entire spinup gets an
	71	! individual log_point in palm.f90
	72	!
[3719]	73	! 3655 2019-01-07 16:51:22Z knoop
[4540]	74	! Removed call to calculation of near air (10 cm) potential temperature (now in surface layer fluxes)
	75	!
[4182]	76	! 2296 2017-06-28 07:53:56Z maronga
	77	! Initial revision
[2296]	78	!
[4182]	79	!
[2296]	80	! Description:
	81	! ------------
[4540]	82	!> Integration in time of the non-atmospheric model components such as land surface model and urban
	83	!> surface model
	84	!--------------------------------------------------------------------------------------------------!
[2296]	85	SUBROUTINE time_integration_spinup
	86
[4540]	87	USE arrays_3d, &
	88	ONLY: pt, &
	89	pt_p, &
	90	u, &
	91	u_init, &
	92	v, &
	93	v_init
[2296]	94
[4540]	95	USE control_parameters, &
	96	ONLY: averaging_interval_pr, &
	97	calc_soil_moisture_during_spinup, &
	98	constant_diffusion, &
	99	constant_flux_layer, &
	100	coupling_start_time, &
	101	data_output_during_spinup, &
	102	dopr_n, &
	103	do_sum, &
	104	dt_averaging_input_pr, &
	105	dt_dopr, &
	106	dt_dots, &
	107	dt_do2d_xy, &
	108	dt_do3d, &
	109	dt_spinup, &
	110	dt_3d, &
	111	humidity, &
	112	intermediate_timestep_count, &
	113	intermediate_timestep_count_max, &
	114	land_surface, &
	115	simulated_time, &
	116	simulated_time_chr, &
	117	skip_time_dopr, &
	118	skip_time_do2d_xy, &
	119	skip_time_do3d, &
	120	spinup_pt_amplitude, &
	121	spinup_pt_mean, &
	122	spinup_time, &
[4654]	123	surface_output, &
[4540]	124	timestep_count, &
	125	time_dopr, &
	126	time_dopr_av, &
	127	time_dots, &
	128	time_do2d_xy, &
	129	time_do3d, &
	130	time_run_control, &
	131	time_since_reference_point, &
	132	urban_surface
[2296]	133
[4540]	134	USE cpulog, &
	135	ONLY: cpu_log, &
	136	log_point_s
	137
	138	USE diagnostic_output_quantities_mod, &
[4331]	139	ONLY: doq_calculate
	140
[4540]	141	USE exchange_horiz_mod, &
[4457]	142	ONLY: exchange_horiz
	143
[4540]	144	USE indices, &
	145	ONLY: nbgp, &
	146	nzb, &
	147	nzt, &
	148	nysg, &
	149	nyng, &
	150	nxlg, &
	151	nxrg
[2296]	152
[4540]	153	USE land_surface_model_mod, &
	154	ONLY: lsm_energy_balance, &
	155	lsm_soil_model, &
	156	lsm_swap_timelevel
[4227]	157
[2934]	158	USE pegrid
[2296]	159
[4444]	160	#if defined( __parallel )
[4540]	161	USE pmc_interface, &
[2934]	162	ONLY: nested_run
[4444]	163	#endif
[2934]	164
[2296]	165	USE kinds
	166
[4540]	167	USE palm_date_time_mod, &
	168	ONLY: get_date_time, &
	169	seconds_per_hour
[4227]	170
[4540]	171	USE radiation_model_mod, &
[4635]	172	ONLY: dt_radiation, &
	173	force_radiation_call, &
[4540]	174	radiation, &
	175	radiation_control, &
	176	radiation_interaction, &
	177	radiation_interactions, &
	178	time_radiation
[2296]	179
[4540]	180	USE statistics, &
[2296]	181	ONLY: flow_statistics_called
	182
[4654]	183	USE surface_data_output_mod, &
	184	ONLY: dt_dosurf, &
	185	skip_time_dosurf, &
	186	surface_data_output, &
	187	time_dosurf
	188
[4540]	189	USE surface_layer_fluxes_mod, &
[2296]	190	ONLY: surface_layer_fluxes
	191
[4540]	192	USE surface_mod, &
	193	ONLY : surf_lsm_h, &
	194	surf_lsm_v, surf_usm_h, &
[2296]	195	surf_usm_v
	196
[4540]	197	USE urban_surface_mod, &
	198	ONLY: usm_material_heat_model, &
	199	usm_material_model, &
	200	usm_surface_energy_balance, &
	201	usm_swap_timelevel, &
[3597]	202	usm_green_heat_model
[2296]	203
	204
	205
	206
	207	IMPLICIT NONE
	208
[4540]	209	CHARACTER(LEN=1) :: sign_chr !< String containing '-' or ' '
	210	CHARACTER(LEN=9) :: time_since_reference_point_chr !< time since reference point, i.e., negative during spinup
	211	CHARACTER(LEN=9) :: time_to_string !<
[2299]	212
	213
[4540]	214	INTEGER(iwp) :: current_timestep_number_spinup = 0 !< number if timestep during spinup
	215	INTEGER(iwp) :: day_of_year !< day of the year
	216
	217	INTEGER(iwp) :: i !< running index
	218	INTEGER(iwp) :: j !< running index
	219	INTEGER(iwp) :: k !< running index
	220	INTEGER(iwp) :: l !< running index
	221	INTEGER(iwp) :: m !< running index
	222
	223
	224	LOGICAL :: run_control_header_spinup = .FALSE. !< flag parameter for steering whether the header information must be output
	225
	226
	227	REAL(wp) :: dt_save !< temporary storage for time step
[4227]	228	REAL(wp) :: pt_spinup !< temporary storage of temperature
	229	REAL(wp) :: second_of_day !< second of the day
[4540]	230
[2728]	231	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: pt_save !< temporary storage of temperature
	232	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: u_save !< temporary storage of u wind component
	233	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: v_save !< temporary storage of v wind component
[2296]	234
[2728]	235
	236	!
	237	!-- Save 3D arrays because they are to be changed for spinup purpose
[2296]	238	ALLOCATE( pt_save(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[2728]	239	ALLOCATE( u_save(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
	240	ALLOCATE( v_save(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
[2296]	241
[4540]	242	CALL exchange_horiz( pt, nbgp )
	243	CALL exchange_horiz( u, nbgp )
	244	CALL exchange_horiz( v, nbgp )
	245
[2299]	246	pt_save = pt
[2728]	247	u_save = u
	248	v_save = v
[2296]	249
[2728]	250	!
[4540]	251	!-- Set the same wall-adjacent velocity to all grid points. The sign of the original velocity field
	252	!-- must be preserved because the surface schemes crash otherwise. The precise reason is still
	253	!-- unknown. A minimum velocity of 0.1 m/s is used to maintain turbulent transfer at the surface.
[2782]	254	IF ( land_surface ) THEN
	255	DO m = 1, surf_lsm_h%ns
[4540]	256	i = surf_lsm_h%i(m)
[2782]	257	j = surf_lsm_h%j(m)
	258	k = surf_lsm_h%k(m)
[4540]	259	u(k,j,i) = SIGN( 1.0_wp, u_init(k) ) * MAX( ABS( u_init(k) ), 0.1_wp)
	260	v(k,j,i) = SIGN( 1.0_wp, v_init(k) ) * MAX( ABS( v_init(k) ), 0.1_wp)
[2782]	261	ENDDO
[2728]	262
[2782]	263	DO l = 0, 3
	264	DO m = 1, surf_lsm_v(l)%ns
[4540]	265	i = surf_lsm_v(l)%i(m)
[2782]	266	j = surf_lsm_v(l)%j(m)
	267	k = surf_lsm_v(l)%k(m)
[4540]	268	u(k,j,i) = SIGN( 1.0_wp, u_init(k) ) * MAX( ABS( u_init(k) ), 0.1_wp)
	269	v(k,j,i) = SIGN( 1.0_wp, v_init(k) ) * MAX( ABS( v_init(k) ), 0.1_wp)
[2782]	270	ENDDO
	271	ENDDO
	272	ENDIF
	273
	274	IF ( urban_surface ) THEN
	275	DO m = 1, surf_usm_h%ns
[4540]	276	i = surf_usm_h%i(m)
[2782]	277	j = surf_usm_h%j(m)
	278	k = surf_usm_h%k(m)
[4540]	279	u(k,j,i) = SIGN( 1.0_wp, u_init(k) ) * MAX( ABS( u_init(k) ), 0.1_wp)
	280	v(k,j,i) = SIGN( 1.0_wp, v_init(k) ) * MAX( ABS( v_init(k) ), 0.1_wp)
[2782]	281	ENDDO
	282
	283	DO l = 0, 3
	284	DO m = 1, surf_usm_v(l)%ns
[4540]	285	i = surf_usm_v(l)%i(m)
[2782]	286	j = surf_usm_v(l)%j(m)
	287	k = surf_usm_v(l)%k(m)
[4540]	288	u(k,j,i) = SIGN( 1.0_wp, u_init(k) ) * MAX( ABS( u_init(k) ), 0.1_wp)
	289	v(k,j,i) = SIGN( 1.0_wp, v_init(k) ) * MAX( ABS( v_init(k) ), 0.1_wp)
[2782]	290	ENDDO
	291	ENDDO
	292	ENDIF
	293
[4540]	294	CALL exchange_horiz( u, nbgp )
	295	CALL exchange_horiz( v, nbgp )
[2818]	296
[2723]	297	dt_save = dt_3d
	298	dt_3d = dt_spinup
	299
[3885]	300	CALL location_message( 'wall/soil spinup time-stepping', 'start' )
[2296]	301	!
	302	!-- Start of the time loop
	303	DO WHILE ( simulated_time < spinup_time )
	304
	305	CALL cpu_log( log_point_s(15), 'timesteps spinup', 'start' )
[4540]	306
[2296]	307	!
	308	!-- Start of intermediate step loop
	309	intermediate_timestep_count = 0
[4540]	310	DO WHILE ( intermediate_timestep_count < intermediate_timestep_count_max )
[2296]	311
	312	intermediate_timestep_count = intermediate_timestep_count + 1
	313
	314	!
[4540]	315	!-- Set the steering factors for the prognostic equations which depend on the timestep scheme
[2296]	316	CALL timestep_scheme_steering
	317
	318
[2299]	319	!
[4540]	320	!-- Estimate a near-surface air temperature based on the position of the sun and user input
	321	!-- about mean temperature and amplitude. The time is shifted by one hour to simulate a lag
	322	!-- between air temperature and incoming radiation.
	323	CALL get_date_time( simulated_time - spinup_time - seconds_per_hour, &
	324	day_of_year = day_of_year, second_of_day = second_of_day )
[4227]	325
[4540]	326	pt_spinup = spinup_pt_mean + spinup_pt_amplitude * &
	327	solar_angle( day_of_year, second_of_day )
[2296]	328
[2299]	329	!
[4540]	330	!-- Map air temperature to all grid points in the vicinity of a surface element
[2296]	331	IF ( land_surface ) THEN
	332	DO m = 1, surf_lsm_h%ns
[4540]	333	i = surf_lsm_h%i(m)
[2296]	334	j = surf_lsm_h%j(m)
	335	k = surf_lsm_h%k(m)
[2299]	336	pt(k,j,i) = pt_spinup
[2296]	337	ENDDO
	338
	339	DO l = 0, 3
	340	DO m = 1, surf_lsm_v(l)%ns
[4540]	341	i = surf_lsm_v(l)%i(m)
[2296]	342	j = surf_lsm_v(l)%j(m)
	343	k = surf_lsm_v(l)%k(m)
[2299]	344	pt(k,j,i) = pt_spinup
[2296]	345	ENDDO
	346	ENDDO
	347	ENDIF
	348
	349	IF ( urban_surface ) THEN
	350	DO m = 1, surf_usm_h%ns
[4540]	351	i = surf_usm_h%i(m)
[2296]	352	j = surf_usm_h%j(m)
	353	k = surf_usm_h%k(m)
[2299]	354	pt(k,j,i) = pt_spinup
[3337]	355	!!!!!!!!!!!!!!!!HACK!!!!!!!!!!!!!
[4631]	356	surf_usm_h%pt1(m) = pt_spinup
[3337]	357	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2296]	358	ENDDO
	359
	360	DO l = 0, 3
	361	DO m = 1, surf_usm_v(l)%ns
[4540]	362	i = surf_usm_v(l)%i(m)
[2296]	363	j = surf_usm_v(l)%j(m)
	364	k = surf_usm_v(l)%k(m)
[2299]	365	pt(k,j,i) = pt_spinup
[3337]	366	!!!!!!!!!!!!!!!!HACK!!!!!!!!!!!!!
[4631]	367	surf_usm_v(l)%pt1(m) = pt_spinup
[3337]	368	!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2296]	369	ENDDO
	370	ENDDO
	371	ENDIF
	372
[4540]	373	CALL exchange_horiz( pt, nbgp )
[2818]	374
	375
[2296]	376	!
	377	!-- Swap the time levels in preparation for the next time step.
	378	timestep_count = timestep_count + 1
[4540]	379
[2296]	380	IF ( land_surface ) THEN
	381	CALL lsm_swap_timelevel ( 0 )
	382	ENDIF
	383
	384	IF ( urban_surface ) THEN
	385	CALL usm_swap_timelevel ( 0 )
	386	ENDIF
	387
	388	IF ( land_surface ) THEN
[4540]	389	CALL lsm_swap_timelevel ( MOD( timestep_count, 2 ) )
[2296]	390	ENDIF
	391
	392	IF ( urban_surface ) THEN
[4540]	393	CALL usm_swap_timelevel ( MOD( timestep_count, 2 ) )
[2296]	394	ENDIF
[4540]	395
[2296]	396	!
[4540]	397	!-- If required, compute virtual potential temperature
	398	IF ( humidity ) THEN
	399	CALL compute_vpt
	400	ENDIF
[2296]	401
	402	!
	403	!-- Compute the diffusion quantities
	404	IF ( .NOT. constant_diffusion ) THEN
	405
	406	!
[4540]	407	!-- First the vertical (and horizontal) fluxes in the surface (constant flux) layer are
	408	!-- computed
[2296]	409	IF ( constant_flux_layer ) THEN
	410	CALL surface_layer_fluxes
	411	ENDIF
	412
	413	!
[4540]	414	!-- If required, solve the energy balance for the surface and run soil model. Call for
	415	!-- horizontal as well as vertical surfaces. The prognostic equation for soil moisure is
	416	!-- switched off
[2299]	417	IF ( land_surface ) THEN
[2296]	418
	419	!
	420	!-- Call for horizontal upward-facing surfaces
	421	CALL lsm_energy_balance( .TRUE., -1 )
[2881]	422	CALL lsm_soil_model( .TRUE., -1, calc_soil_moisture_during_spinup )
[2296]	423	!
	424	!-- Call for northward-facing surfaces
	425	CALL lsm_energy_balance( .FALSE., 0 )
[2881]	426	CALL lsm_soil_model( .FALSE., 0, calc_soil_moisture_during_spinup )
[2296]	427	!
	428	!-- Call for southward-facing surfaces
	429	CALL lsm_energy_balance( .FALSE., 1 )
[2881]	430	CALL lsm_soil_model( .FALSE., 1, calc_soil_moisture_during_spinup )
[2296]	431	!
	432	!-- Call for eastward-facing surfaces
	433	CALL lsm_energy_balance( .FALSE., 2 )
[2881]	434	CALL lsm_soil_model( .FALSE., 2, calc_soil_moisture_during_spinup )
[2296]	435	!
	436	!-- Call for westward-facing surfaces
	437	CALL lsm_energy_balance( .FALSE., 3 )
[2881]	438	CALL lsm_soil_model( .FALSE., 3, calc_soil_moisture_during_spinup )
[3719]	439
[2296]	440	ENDIF
	441
	442	!
[4540]	443	!-- If required, solve the energy balance for urban surfaces and run the material heat model
[2296]	444	IF (urban_surface) THEN
[3719]	445
[3418]	446	CALL usm_surface_energy_balance( .TRUE. )
[2296]	447	IF ( usm_material_model ) THEN
[2696]	448	CALL usm_green_heat_model
[3418]	449	CALL usm_material_heat_model( .TRUE. )
[2296]	450	ENDIF
[3719]	451
[2296]	452	ENDIF
	453
	454	ENDIF
	455
[4064]	456	ENDDO ! Intermediate step loop
	457
[2296]	458	!
[4064]	459	!-- If required, calculate radiative fluxes and heating rates
	460	IF ( radiation ) THEN
[2296]	461
[4635]	462	time_radiation = time_radiation + dt_3d
[2296]	463
[4635]	464	IF ( time_radiation >= dt_radiation .OR. force_radiation_call ) THEN
[2296]	465
[4064]	466	IF ( .NOT. force_radiation_call ) THEN
[4635]	467	time_radiation = time_radiation - dt_radiation
[4064]	468	ENDIF
[2296]	469
[4064]	470	CALL radiation_control
[2296]	471
[4064]	472	IF ( radiation_interactions ) THEN
	473	CALL radiation_interaction
[2296]	474	ENDIF
	475	ENDIF
[4064]	476	ENDIF
[2296]	477
	478	!
	479	!-- Increase simulation time and output times
[2299]	480	current_timestep_number_spinup = current_timestep_number_spinup + 1
[4540]	481	simulated_time = simulated_time + dt_3d
	482	simulated_time_chr = time_to_string( simulated_time )
	483	time_since_reference_point = simulated_time - coupling_start_time
	484	time_since_reference_point_chr = time_to_string( ABS( time_since_reference_point ) )
	485
[4023]	486	IF ( time_since_reference_point < 0.0_wp ) THEN
	487	sign_chr = '-'
	488	ELSE
	489	sign_chr = ' '
	490	ENDIF
[4540]	491
	492
[2296]	493	IF ( data_output_during_spinup ) THEN
[2723]	494	IF ( simulated_time >= skip_time_do2d_xy ) THEN
[4540]	495	time_do2d_xy = time_do2d_xy + dt_3d
[2723]	496	ENDIF
	497	IF ( simulated_time >= skip_time_do3d ) THEN
[4540]	498	time_do3d = time_do3d + dt_3d
[2723]	499	ENDIF
[4540]	500	time_dots = time_dots + dt_3d
[2296]	501	IF ( simulated_time >= skip_time_dopr ) THEN
[4540]	502	time_dopr = time_dopr + dt_3d
[2296]	503	ENDIF
[4654]	504	IF ( surface_output ) THEN
	505	IF ( simulated_time >= skip_time_dosurf ) THEN
	506	time_dosurf = time_dosurf + dt_3d
	507	ENDIF
	508	ENDIF
[4540]	509	time_run_control = time_run_control + dt_3d
[2296]	510
	511	!
	512	!-- Carry out statistical analysis and output at the requested output times.
[4540]	513	!-- The MOD function is used for calculating the output time counters (like time_dopr) in
	514	!-- order to regard a possible decrease of the output time interval in case of restart runs.
[2296]	515
	516	!
[4540]	517	!-- Set a flag indicating that so far no statistics have been created for this time step
[2296]	518	flow_statistics_called = .FALSE.
	519
	520	!
	521	!-- If required, call flow_statistics for averaging in time
[4540]	522	IF ( averaging_interval_pr /= 0.0_wp .AND. &
	523	( dt_dopr - time_dopr ) <= averaging_interval_pr .AND. &
	524	simulated_time >= skip_time_dopr ) &
	525	THEN
[2723]	526	time_dopr_av = time_dopr_av + dt_3d
[2296]	527	IF ( time_dopr_av >= dt_averaging_input_pr ) THEN
	528	do_sum = .TRUE.
[4540]	529	time_dopr_av = MOD( time_dopr_av, MAX( dt_averaging_input_pr, dt_3d ) )
[2296]	530	ENDIF
	531	ENDIF
	532	IF ( do_sum ) CALL flow_statistics
	533
	534	!
	535	!-- Output of profiles
	536	IF ( time_dopr >= dt_dopr ) THEN
	537	IF ( dopr_n /= 0 ) CALL data_output_profiles
[2723]	538	time_dopr = MOD( time_dopr, MAX( dt_dopr, dt_3d ) )
[4540]	539	time_dopr_av = 0.0_wp ! Due to averaging (see above)
[2296]	540	ENDIF
	541
	542	!
	543	!-- Output of time series
	544	IF ( time_dots >= dt_dots ) THEN
	545	CALL data_output_tseries
[2723]	546	time_dots = MOD( time_dots, MAX( dt_dots, dt_3d ) )
[2296]	547	ENDIF
	548
[2723]	549	!
	550	!-- 2d-data output (cross-sections)
	551	IF ( time_do2d_xy >= dt_do2d_xy ) THEN
[4331]	552	CALL doq_calculate
[2723]	553	CALL data_output_2d( 'xy', 0 )
	554	time_do2d_xy = MOD( time_do2d_xy, MAX( dt_do2d_xy, dt_3d ) )
	555	ENDIF
	556
	557	!
	558	!-- 3d-data output (volume data)
	559	IF ( time_do3d >= dt_do3d ) THEN
[4331]	560	CALL doq_calculate
[2723]	561	CALL data_output_3d( 0 )
	562	time_do3d = MOD( time_do3d, MAX( dt_do3d, dt_3d ) )
	563	ENDIF
[4654]	564	!
	565	!-- Output of surface data
	566	IF ( surface_output ) THEN
	567	IF ( time_dosurf >= dt_dosurf ) THEN
	568	CALL surface_data_output( 0 )
	569	time_dosurf = MOD( time_dosurf, MAX( dt_dosurf, dt_3d ) )
	570	ENDIF
	571	ENDIF
[2723]	572
[2296]	573	ENDIF
	574
	575	!
[4540]	576	!-- Computation and output of run control parameters. This is also done whenever perturbations
	577	!-- have been imposed
	578	! IF ( time_run_control >= dt_run_control .OR. &
	579	! timestep_scheme(1:5) /= 'runge' .OR. disturbance_created ) THEN
[2299]	580	! CALL run_control
	581	! IF ( time_run_control >= dt_run_control ) THEN
[4540]	582	! time_run_control = MOD( time_run_control, MAX( dt_run_control, dt_3d ) )
[2299]	583	! ENDIF
	584	! ENDIF
[2296]	585
	586	CALL cpu_log( log_point_s(15), 'timesteps spinup', 'stop' )
	587
[2299]	588
	589	!
	590	!-- Run control output
[2296]	591	IF ( myid == 0 ) THEN
[2299]	592	!
	593	!-- If necessary, write header
	594	IF ( .NOT. run_control_header_spinup ) THEN
	595	CALL check_open( 15 )
	596	WRITE ( 15, 100 )
	597	run_control_header_spinup = .TRUE.
	598	ENDIF
	599	!
	600	!-- Write some general information about the spinup in run control file
[4540]	601	WRITE ( 15, 101 ) current_timestep_number_spinup, sign_chr, &
	602	time_since_reference_point_chr, dt_3d, pt_spinup
[2299]	603	!
	604	!-- Write buffer contents to disc immediately
	605	FLUSH( 15 )
[2296]	606	ENDIF
	607
[2299]	608
	609
[4540]	610	ENDDO ! Time loop
[2296]	611
	612	!
[2728]	613	!-- Write back saved arrays to the 3D arrays
	614	pt = pt_save
	615	pt_p = pt_save
	616	u = u_save
	617	v = v_save
[2296]	618
[2723]	619	!
	620	!-- Reset time step
	621	dt_3d = dt_save
	622
[2296]	623	DEALLOCATE(pt_save)
[2728]	624	DEALLOCATE(u_save)
	625	DEALLOCATE(v_save)
[2296]	626
[2934]	627	#if defined( __parallel )
	628	IF ( nested_run ) CALL MPI_BARRIER( MPI_COMM_WORLD, ierr )
	629	#endif
	630
[3885]	631	CALL location_message( 'wall/soil spinup time-stepping', 'finished' )
[2296]	632
[2299]	633
	634	!
	635	!-- Formats
[4540]	636	100 FORMAT (///'Spinup control output:---------------------------------'// &
	637	'ITER. HH:MM:SS DT PT(z_MO)---------------------------------')
[4023]	638	101 FORMAT (I5,2X,A1,A9,1X,F6.2,3X,F6.2,2X,F6.2)
[2299]	639
	640	CONTAINS
	641
	642	!
[4540]	643	!-- Returns the cosine of the solar zenith angle at a given time. This routine is similar to that
	644	!-- for calculation zenith (see radiation_model_mod.f90)
	645	!> @todo Load function calc_zenith of radiation model instead of rewrite the function here.
	646	FUNCTION solar_angle( day_of_year, second_of_day )
[2299]	647
[4540]	648	USE basic_constants_and_equations_mod, &
[4331]	649	ONLY: pi
[4540]	650
[2299]	651	USE kinds
	652
[4540]	653	USE radiation_model_mod, &
	654	ONLY: decl_1, &
	655	decl_2, &
	656	decl_3, &
	657	lat, &
	658	lon
[2299]	659
[4540]	660	IMPLICIT NONE
[2299]	661
	662
[4227]	663	INTEGER(iwp), INTENT(IN) :: day_of_year !< day of the year
[2299]	664
[4540]	665	REAL(wp) :: declination !< solar declination angle
	666	REAL(wp) :: hour_angle !< solar hour angle
	667	REAL(wp), INTENT(IN) :: second_of_day !< current time of the day in UTC
	668	REAL(wp) :: solar_angle !< cosine of the solar zenith angle
[2299]	669	!
[4540]	670	!-- Calculate solar declination and hour angle
	671	declination = ASIN( decl_1 * SIN( decl_2 * REAL( day_of_year, KIND = wp) - decl_3 ) )
	672	hour_angle = 2.0_wp * pi * ( second_of_day / 86400.0_wp ) + lon - pi
[2299]	673
	674	!
	675	!-- Calculate cosine of solar zenith angle
[4540]	676	solar_angle = SIN( lat ) * SIN( declination ) + COS( lat ) * COS( declination ) * &
	677	COS( hour_angle )
[2299]	678
	679	END FUNCTION solar_angle
	680
	681
[2296]	682	END SUBROUTINE time_integration_spinup

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