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biometeorology_mod.f90 @ 4731

Last change on this file since 4731 was 4633, checked in by suehring, 4 years ago

Biomet: bugfix in check for humidity

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/palm/branches/chemistry/SOURCE/biometeorology_mod.f90	2047-3190,3218-3297
/palm/branches/resler/SOURCE/biometeorology_mod.f90	2023-4492
/palm/branches/salsa/SOURCE/biometeorology_mod.f90	2503-3581
/palm/trunk/SOURCE/biometeorology_mod.f90	merged	eligible
/palm/branches/forwind/SOURCE/biometeorology_mod.f90	1564-1913
/palm/branches/fricke/SOURCE/biometeorology_mod.f90	942-977
/palm/branches/hoffmann/SOURCE/biometeorology_mod.f90	989-1052
/palm/branches/letzel/masked_output/SOURCE/biometeorology_mod.f90	296-409
/palm/branches/palm4u/SOURCE/biometeorology_mod.f90	2540-2692
/palm/branches/rans/SOURCE/biometeorology_mod.f90	2078-3128
/palm/branches/suehring/biometeorology_mod.f90	423-666

File size: 193.6 KB

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1	!> @file biometeorology_mod.f90
2	!--------------------------------------------------------------------------------------------------!
3	! This file is part of PALM-4U.
4	!
5	! PALM-4U is free software: You can redistribute it and/or modify it under the terms of the GNU
6	! General Public License as published by the Free Software Foundation, either version 3 of the
7	! License, or (at your option) any later version.
8	!
9	! PALM-4U is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
10	! the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
11	! Public License for more details.
12	!
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/>.
15	!
16	! Copyright 2018-2020 Deutscher Wetterdienst (DWD)
17	! Copyright 2018-2020 Institute of Computer Science, Academy of Sciences, Prague
18	! Copyright 2018-2020 Leibniz Universitaet Hannover
19	!--------------------------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! ------------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: biometeorology_mod.f90 4633 2020-08-05 14:21:14Z schwenkel $
28	! Bugfix in check for humidity
29	!
30	! 4590 2020-07-06 14:34:59Z suehring
31	! Enable restart via mpi-IO. Therefore, allocated array mrt_av_grid as 3D array instead of an
32	! 1D array.
33	!
34	! 4577 2020-06-25 09:53:58Z raasch
35	! further re-formatting concerning Fortran parameter variables
36	!
37	! 4540 2020-05-18 15:23:29Z raasch
38	! file re-formatted to follow the PALM coding standard
39	!
40	! 4535 2020-05-15 12:07:23Z raasch
41	! bugfix for restart data format query
42	!
43	! 4517 2020-05-03 14:29:30Z raasch
44	! added restart with MPI-IO for reading local arrays
45	!
46	! 4495 2020-04-13 20:11:20Z raasch
47	! restart data handling with MPI-IO added
48	!
49	! 4493 2020-04-10 09:49:43Z pavelkrc
50	! Revise bad formatting
51	!
52	! 4286 2019-10-30 16:01:14Z resler
53	! implement new palm_date_time_mod
54	!
55	! 4223 2019-09-10 09:20:47Z gronemeier
56	! Corrected "Former revisions" section
57	!
58	! 4168 2019-08-16 13:50:17Z suehring
59	! Replace function get_topography_top_index by topo_top_ind
60	!
61	! 4144 2019-08-06 09:11:47Z raasch
62	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
63	!
64	! 4127 2019-07-30 14:47:10Z suehring
65	! Output for bio_mrt added (merge from branch resler)
66	!
67	! 4126 2019-07-30 11:09:11Z gronemeier
68	! renamed vitd3_exposure_av into vitd3_dose,
69	! renamed uvem_calc_exposure into bio_calculate_uv_exposure
70	!
71	! 3885 2019-04-11 11:29:34Z kanani
72	! Changes related to global restructuring of location messages and introduction of additional debug
73	! messages
74	!
75	! 3753 2019-02-19 14:48:54Z dom_dwd_user
76	! - Added automatic setting of mrt_nlevels in case it was not part of radiation_parameters namelist
77	! (or set to 0 accidentially).
78	! - Minor speed improvoemnts in perceived temperature calculations.
79	! - Perceived temperature regression arrays now declared as PARAMETERs.
80	!
81	! 3750 2019-02-19 07:29:39Z dom_dwd_user
82	! - Added addittional safety meassures to bio_calculate_thermal_index_maps.
83	! - Replaced several REAL (un-)equality comparisons.
84	!
85	! 3742 2019-02-14 11:25:22Z dom_dwd_user
86	! - Allocation of the input _av grids was moved to the "sum" section of bio_3d_data_averaging to
87	! make sure averaging is only done once!
88	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to time_integration to
89	! make sure averaged input is updated before calculating.
90	!
91	! 3740 2019-02-13 12:35:12Z dom_dwd_user
92	! - Added safety-meassure to catch the case that 'bio_mrt_av' is stated after 'bio_<index>' in the
93	! output section of the p3d file.
94	!
95	! 3739 2019-02-13 08:05:17Z dom_dwd_user
96	! - Auto-adjusting thermal_comfort flag if not set by user, but thermal_indices set as output
97	! quantities.
98	! - Renamed flags "bio_<index>" to "do_calculate_<index>" for better readability
99	! - Removed everything related to "time_bio_results" as this is never used.
100	! - Moved humidity warning to check_data_output.
101	! - Fixed bug in mrt calculation introduced with my commit yesterday.
102	!
103	! 3735 2019-02-12 09:52:40Z dom_dwd_user
104	! - Fixed auto-setting of thermal index calculation flags by output as originally proposed by
105	! resler.
106	! - removed bio_pet and outher configuration variables.
107	! - Updated namelist.
108	!
109	! 3711 2019-01-31 13:44:26Z knoop
110	! Introduced interface routine bio_init_checks + small error message changes
111	!
112	! 3693 2019-01-23 15:20:53Z dom_dwd_user
113	! Added usage of time_averaged mean radiant temperature, together with calculation, grid and restart
114	! routines. General cleanup and commenting.
115	!
116	! 3685 2019-01-21 01:02:11Z knoop
117	! Some interface calls moved to module_interface + cleanup
118	!
119	! 3650 2019-01-04 13:01:33Z kanani
120	! Bugfixes and additions for enabling restarts with biometeorology
121	!
122	! 3448 2018-10-29 18:14:31Z kanani
123	! Initial revision
124	!
125	!
126	!
127	! Authors:
128	! --------
129	! @author Dominik Froehlich <dominik.froehlich@dwd.de>, thermal indices
130	! @author Jaroslav Resler <resler@cs.cas.cz>, mean radiant temperature
131	! @author Michael Schrempf <schrempf@muk.uni-hannover.de>, uv exposure
132	!
133	!
134	! Description:
135	! ------------
136	!> Biometeorology module consisting of two parts:
137	!> 1.: Human thermal comfort module calculating thermal perception of a sample human being under the
138	!> current meteorological conditions.
139	!> 2.: Calculation of vitamin-D weighted UV exposure
140	!>
141	!> @todo Alphabetical sorting of "USE ..." lists, "ONLY" list, variable declarations
142	!> (per subroutine: first all CHARACTERs, then INTEGERs, LOGICALs, REALs, )
143	!> @todo Comments start with capital letter --> "!-- Include..."
144	!> @todo uv_vitd3dose-->new output type necessary (cumulative)
145	!> @todo consider upwelling radiation in UV
146	!>
147	!> @note nothing now
148	!>
149	!> @bug no known bugs by now
150	!--------------------------------------------------------------------------------------------------!
151	MODULE biometeorology_mod
152
153	USE arrays_3d, &
154	ONLY: pt, p, u, v, w, q
155
156	USE averaging, &
157	ONLY: pt_av, q_av, u_av, v_av, w_av
158
159	USE basic_constants_and_equations_mod, &
160	ONLY: degc_to_k, c_p, l_v, magnus, pi, sigma_sb
161
162	USE control_parameters, &
163	ONLY: average_count_3d, biometeorology, &
164	debug_output, &
165	dz, dz_stretch_factor, &
166	dz_stretch_level, humidity, initializing_actions, nz_do3d, &
167	restart_data_format_output, surface_pressure
168
169	USE grid_variables, &
170	ONLY: ddx, dx, ddy, dy
171
172	USE indices, &
173	ONLY: nxl, nxr, nys, nyn, nzb, nzt, nys, nyn, nxl, nxr, nxlg, nxrg, nysg, nyng, &
174	topo_top_ind
175
176	USE kinds !< Set precision of INTEGER and REAL arrays according to PALM
177
178	USE netcdf_data_input_mod, &
179	ONLY: building_obstruction_f, netcdf_data_input_uvem, uvem_integration_f, &
180	uvem_irradiance_f, uvem_projarea_f, uvem_radiance_f
181
182	USE palm_date_time_mod, &
183	ONLY: get_date_time
184	!
185	!-- Import radiation model to obtain input for mean radiant temperature
186	USE radiation_model_mod, &
187	ONLY: id, ix, iy, iz, mrt_include_sw, mrt_nlevels, &
188	mrtbl, mrtinlw, mrtinsw, nmrtbl, radiation, &
189	rad_lw_in, rad_lw_out, rad_sw_in, rad_sw_out, radiation_interactions
190
191	USE restart_data_mpi_io_mod, &
192	ONLY: rrd_mpi_io, &
193	rd_mpi_io_check_array, &
194	wrd_mpi_io
195
196
197	IMPLICIT NONE
198
199	!
200	!-- Declare all global variables within the module (alphabetical order)
201	REAL(wp), PARAMETER :: bio_fill_value = -9999.0_wp !< set module fill value, replace by global fill value as soon as available
202	REAL(wp), PARAMETER :: human_absorb = 0.7_wp !< SW absorbtivity of a human body (Fanger 1972)
203	REAL(wp), PARAMETER :: human_emiss = 0.97_wp !< LW emissivity of a human body after (Fanger 1972)
204
205	INTEGER(iwp) :: bio_cell_level !< cell level biom calculates for
206
207	LOGICAL :: thermal_comfort = .FALSE. !< Enables or disables the entire thermal comfort part
208	LOGICAL :: do_average_theta = .FALSE. !< switch: do theta averaging in this module? (if .FALSE. this is done globally)
209	LOGICAL :: do_average_q = .FALSE. !< switch: do e averaging in this module?
210	LOGICAL :: do_average_u = .FALSE. !< switch: do u averaging in this module?
211	LOGICAL :: do_average_v = .FALSE. !< switch: do v averaging in this module?
212	LOGICAL :: do_average_w = .FALSE. !< switch: do w averaging in this module?
213	LOGICAL :: do_average_mrt = .FALSE. !< switch: do mrt averaging in this module?
214	LOGICAL :: average_trigger_perct = .FALSE. !< update averaged input on call to bio_perct?
215	LOGICAL :: average_trigger_utci = .FALSE. !< update averaged input on call to bio_utci?
216	LOGICAL :: average_trigger_pet = .FALSE. !< update averaged input on call to bio_pet?
217	LOGICAL :: average_trigger_mrt = .FALSE. !< update averaged input on call to bio_pet?
218	LOGICAL :: do_calculate_perct = .FALSE. !< Turn index PT (instant. input) on or off
219	LOGICAL :: do_calculate_perct_av = .FALSE. !< Turn index PT (averaged input) on or off
220	LOGICAL :: do_calculate_pet = .FALSE. !< Turn index PET (instant. input) on or off
221	LOGICAL :: do_calculate_pet_av = .FALSE. !< Turn index PET (averaged input) on or off
222	LOGICAL :: do_calculate_utci = .FALSE. !< Turn index UTCI (instant. input) on or off
223	LOGICAL :: do_calculate_utci_av = .FALSE. !< Turn index UTCI (averaged input) on or off
224	LOGICAL :: do_calculate_mrt2d = .FALSE. !< Turn index MRT 2D (averaged or inst) on or off
225
226	REAL(wp) :: bio_output_height !< height output is calculated in m
227
228	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: perct !< PT results (degree_C)
229	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pet !< PET results (degree_C)
230	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: tmrt_grid !< tmrt results (degree_C)
231	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: utci !< UTCI results (degree_C)
232	!
233	!-- Grids for averaged thermal indices
234	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: perct_av !< PT results (aver. input) (degree_C)
235	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pet_av !< PET results (aver. input) (degree_C)
236	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: tmrt_av_grid !< tmrt results (degree_C)
237	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: utci_av !< UTCI results (aver. input) (degree_C)
238
239	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: mrt_av_grid !< time average mean radiant temperature
240
241	!
242	!-- UVEM parameters from here
243	INTEGER(iwp) :: ai = 0 !< loop index in azimuth direction
244	INTEGER(iwp) :: bi = 0 !< loop index of bit location within an 8bit-integer (one Byte)
245	INTEGER(iwp) :: bio_nmrtbl
246	INTEGER(iwp) :: clothing = 1 !< clothing (0=unclothed, 1=Arms,Hands,Face free, 3=Hand,Face free)
247	INTEGER(iwp) :: iq = 0 !< loop index of irradiance quantity
248	INTEGER(iwp) :: pobi = 0 !< loop index of the position of corresponding byte within ibset byte vektor
249	INTEGER(iwp) :: obstruction_direct_beam = 0 !< Obstruction information for direct beam
250	INTEGER(iwp) :: zi = 0 !< loop index in zenith direction
251
252	INTEGER(KIND=1), DIMENSION(0:44) :: obstruction_temp1 = 0 !< temporary obstruction information stored with ibset
253	INTEGER(iwp), DIMENSION(0:359) :: obstruction_temp2 = 0 !< restored temporary obstruction information from ibset file
254
255	INTEGER(iwp), DIMENSION(0:35,0:9) :: obstruction = 1 !< final 2D obstruction information array
256
257	LOGICAL :: consider_obstructions = .TRUE. !< namelist parameter (see documentation)
258	LOGICAL :: sun_in_south = .FALSE. !< namelist parameter (see documentation)
259	LOGICAL :: turn_to_sun = .TRUE. !< namelist parameter (see documentation)
260	LOGICAL :: uv_exposure = .FALSE. !< namelist parameter (see documentation)
261
262	REAL(wp) :: diffuse_exposure = 0.0_wp !< calculated exposure by diffuse radiation
263	REAL(wp) :: direct_exposure = 0.0_wp !< calculated exposure by direct solar beam
264	REAL(wp) :: orientation_angle = 0.0_wp !< orientation of front/face of the human model
265	REAL(wp) :: projection_area_direct_beam = 0.0_wp !< projection area for direct solar beam
266	REAL(wp) :: saa = 180.0_wp !< solar azimuth angle
267	REAL(wp) :: startpos_human = 0.0_wp !< start value for azimuth interpolation of human geometry array
268	REAL(wp) :: startpos_saa_float = 0.0_wp !< start value for azimuth interpolation of radiance array
269	REAL(wp) :: sza = 20.0_wp !< solar zenith angle
270	REAL(wp) :: xfactor = 0.0_wp !< relative x-position used for interpolation
271	REAL(wp) :: yfactor = 0.0_wp !< relative y-position used for interpolation
272
273	REAL(wp), DIMENSION(0:2) :: irradiance = 0.0_wp !< iradiance values extracted from irradiance lookup table
274
275	REAL(wp), DIMENSION(0:2,0:90) :: irradiance_lookup_table = 0.0_wp !< irradiance lookup table
276	REAL(wp), DIMENSION(0:35,0:9) :: integration_array = 0.0_wp !< solid angle factors for hemispherical integration
277	REAL(wp), DIMENSION(0:35,0:9) :: projection_area = 0.0_wp !< projection areas of a human (all directions)
278	REAL(wp), DIMENSION(0:35,0:9) :: projection_area_lookup_table = 0.0_wp !< human geometry lookup table (projection areas)
279	REAL(wp), DIMENSION(0:71,0:9) :: projection_area_direct_temp = 0.0_wp !< temporary projection area for direct solar beam
280	REAL(wp), DIMENSION(0:71,0:9) :: projection_area_temp = 0.0_wp !< temporary projection area for all directions
281	REAL(wp), DIMENSION(0:35,0:9) :: radiance_array = 0.0_wp !< radiance extracted from radiance_lookup_table
282	REAL(wp), DIMENSION(0:71,0:9) :: radiance_array_temp = 0.0_wp !< temporary radiance data
283
284	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: vitd3_exposure !< result variable for instantaneous vitamin-D weighted exposures
285	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: vitd3_dose !< result variable for summation of vitamin-D weighted exposures
286
287	REAL(wp), DIMENSION(0:35,0:9,0:90) :: radiance_lookup_table = 0.0_wp !< radiance lookup table
288
289
290	PRIVATE
291
292	!
293	!-- INTERFACES that must be available to other modules (alphabetical order)
294	PUBLIC bio_3d_data_averaging, bio_calculate_mrt_grid, bio_calculate_thermal_index_maps, &
295	bio_calc_ipt, bio_check_data_output, bio_check_parameters, &
296	bio_data_output_2d, bio_data_output_3d, bio_define_netcdf_grid, &
297	bio_get_thermal_index_input_ij, bio_header, bio_init, bio_init_checks, bio_nmrtbl, &
298	bio_parin, bio_rrd_global, bio_rrd_local, bio_wrd_global, bio_wrd_local, thermal_comfort
299	!
300	!-- UVEM PUBLIC variables and methods
301	PUBLIC bio_calculate_uv_exposure, uv_exposure
302
303	!
304	!-- PALM interfaces:
305	!
306	!-- 3D averaging for HTCM _INPUT_ variables
307	INTERFACE bio_3d_data_averaging
308	MODULE PROCEDURE bio_3d_data_averaging
309	END INTERFACE bio_3d_data_averaging
310	!
311	!-- Calculate mtr from rtm fluxes and assign into 2D grid
312	INTERFACE bio_calculate_mrt_grid
313	MODULE PROCEDURE bio_calculate_mrt_grid
314	END INTERFACE bio_calculate_mrt_grid
315	!
316	!-- Calculate static thermal indices PT, UTCI and/or PET
317	INTERFACE bio_calculate_thermal_index_maps
318	MODULE PROCEDURE bio_calculate_thermal_index_maps
319	END INTERFACE bio_calculate_thermal_index_maps
320	!
321	!-- Calculate the dynamic index iPT (to be caled by the agent model)
322	INTERFACE bio_calc_ipt
323	MODULE PROCEDURE bio_calc_ipt
324	END INTERFACE bio_calc_ipt
325	!
326	!-- Data output checks for 2D/3D data to be done in check_parameters
327	INTERFACE bio_check_data_output
328	MODULE PROCEDURE bio_check_data_output
329	END INTERFACE bio_check_data_output
330	!
331	!-- Input parameter checks to be done in check_parameters
332	INTERFACE bio_check_parameters
333	MODULE PROCEDURE bio_check_parameters
334	END INTERFACE bio_check_parameters
335	!
336	!-- Data output of 2D quantities
337	INTERFACE bio_data_output_2d
338	MODULE PROCEDURE bio_data_output_2d
339	END INTERFACE bio_data_output_2d
340	!
341	!-- no 3D data, thus, no averaging of 3D data, removed
342	INTERFACE bio_data_output_3d
343	MODULE PROCEDURE bio_data_output_3d
344	END INTERFACE bio_data_output_3d
345	!
346	!-- Definition of data output quantities
347	INTERFACE bio_define_netcdf_grid
348	MODULE PROCEDURE bio_define_netcdf_grid
349	END INTERFACE bio_define_netcdf_grid
350	!
351	!-- Obtains all relevant input values to estimate local thermal comfort/stress
352	INTERFACE bio_get_thermal_index_input_ij
353	MODULE PROCEDURE bio_get_thermal_index_input_ij
354	END INTERFACE bio_get_thermal_index_input_ij
355	!
356	!-- Output of information to the header file
357	INTERFACE bio_header
358	MODULE PROCEDURE bio_header
359	END INTERFACE bio_header
360	!
361	!-- Initialization actions
362	INTERFACE bio_init
363	MODULE PROCEDURE bio_init
364	END INTERFACE bio_init
365	!
366	!-- Initialization checks
367	INTERFACE bio_init_checks
368	MODULE PROCEDURE bio_init_checks
369	END INTERFACE bio_init_checks
370	!
371	!-- Reading of NAMELIST parameters
372	INTERFACE bio_parin
373	MODULE PROCEDURE bio_parin
374	END INTERFACE bio_parin
375	!
376	!-- Read global restart parameters
377	INTERFACE bio_rrd_global
378	MODULE PROCEDURE bio_rrd_global_ftn
379	MODULE PROCEDURE bio_rrd_global_mpi
380	END INTERFACE bio_rrd_global
381	!
382	!-- Read local restart parameters
383	INTERFACE bio_rrd_local
384	MODULE PROCEDURE bio_rrd_local_ftn
385	MODULE PROCEDURE bio_rrd_local_mpi
386	END INTERFACE bio_rrd_local
387	!
388	!-- Write global restart parameters
389	INTERFACE bio_wrd_global
390	MODULE PROCEDURE bio_wrd_global
391	END INTERFACE bio_wrd_global
392	!
393	!-- Write local restart parameters
394	INTERFACE bio_wrd_local
395	MODULE PROCEDURE bio_wrd_local
396	END INTERFACE bio_wrd_local
397	!
398	!-- Calculate UV exposure grid
399	INTERFACE bio_calculate_uv_exposure
400	MODULE PROCEDURE bio_calculate_uv_exposure
401	END INTERFACE bio_calculate_uv_exposure
402
403	CONTAINS
404
405
406	!--------------------------------------------------------------------------------------------------!
407	! Description:
408	! ------------
409	!> Sum up and time-average biom input quantities as well as allocate the array necessary for storing
410	!> the average.
411	!> There is a considerable difference to the 3d_data_averaging subroutines used by other modules:
412	!> For the thermal indices, the module needs to average the input conditions, not the result!
413	!--------------------------------------------------------------------------------------------------!
414	SUBROUTINE bio_3d_data_averaging( mode, variable )
415
416	IMPLICIT NONE
417
418	CHARACTER (LEN=*) :: mode !< Averaging mode: allocate, sum, or average
419	CHARACTER (LEN=*) :: variable !< The variable in question
420
421	INTEGER(iwp) :: i !< Running index, x-direction
422	INTEGER(iwp) :: j !< Running index, y-direction
423	INTEGER(iwp) :: k !< Running index, z-direction
424	INTEGER(iwp) :: l !< index used to link radiation arrays to 3d grid arrays
425
426
427	IF ( mode == 'allocate' ) THEN
428
429	SELECT CASE ( TRIM( variable ) )
430
431	CASE ( 'bio_mrt' )
432
433	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
434	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
435	ENDIF
436	mrt_av_grid = 0.0_wp
437	do_average_mrt = .FALSE. !< Overwrite if that was enabled somehow
438
439
440	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
441
442	!
443	!-- Averaging, as well as the allocation of the required grids must be done only once,
444	!-- independent of for how many thermal indices averaged output is desired.
445	!-- Therefore we need to memorize which index is the one that controls the averaging
446	!-- (what must be the first thermal index called).
447	!-- Indices are in unknown order as depending on the input file, determine first index to
448	!-- average und update only once.
449	!
450	!-- Only proceed here if this was not done for any index before. This is done only once
451	!-- during the whole model run.
452	IF ( .NOT. average_trigger_perct .AND. &
453	.NOT. average_trigger_utci .AND. &
454	.NOT. average_trigger_pet .AND. &
455	.NOT. average_trigger_mrt ) THEN
456	!
457	!-- Memorize the first index called to control averaging
458	IF ( TRIM( variable ) == 'bio_perct*' ) THEN
459	average_trigger_perct = .TRUE.
460	ENDIF
461	IF ( TRIM( variable ) == 'bio_utci*' ) THEN
462	average_trigger_utci = .TRUE.
463	ENDIF
464	IF ( TRIM( variable ) == 'bio_pet*' ) THEN
465	average_trigger_pet = .TRUE.
466	ENDIF
467	IF ( TRIM( variable ) == 'bio_mrt*' ) THEN
468	average_trigger_mrt = .TRUE.
469	ENDIF
470	ENDIF
471	!
472	!-- Allocation of the input _av grids was moved to the "sum" section to make sure averaging
473	!-- is only done once!
474
475	CASE ( 'uvem_vitd3dose*' )
476
477	IF ( .NOT. ALLOCATED( vitd3_dose ) ) THEN
478	ALLOCATE( vitd3_dose(nysg:nyng,nxlg:nxrg) )
479	ENDIF
480	vitd3_dose = 0.0_wp
481
482	CASE DEFAULT
483	CONTINUE
484
485	END SELECT
486
487	ELSEIF ( mode == 'sum' ) THEN
488
489	SELECT CASE ( TRIM( variable ) )
490
491	CASE ( 'bio_mrt' )
492	!
493	!-- Consider the case 'bio_mrt' is called after some thermal index. In that case
494	! do_average_mrt will be .TRUE. leading to a double-averaging.
495	IF ( .NOT. do_average_mrt .AND. ALLOCATED( mrt_av_grid ) ) THEN
496
497	IF ( mrt_include_sw ) THEN
498	DO l = 1, nmrtbl
499	i = mrtbl(ix,l)
500	j = mrtbl(iy,l)
501	k = mrtbl(iz,l)
502	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
503	( ( human_absorb * mrtinsw(l) + &
504	mrtinlw(l) ) / ( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
505	ENDDO
506	ELSE
507	DO l = 1, nmrtbl
508	i = mrtbl(ix,l)
509	j = mrtbl(iy,l)
510	k = mrtbl(iz,l)
511	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
512	( mrtinlw(l) / ( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
513	ENDDO
514	ENDIF
515	ENDIF
516
517	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
518	!
519	!-- Only continue if the current index is the one to trigger the input averaging, see
520	!-- above.
521	IF ( average_trigger_perct .AND. TRIM( variable ) /= 'bio_perct*') RETURN
522	IF ( average_trigger_utci .AND. TRIM( variable ) /= 'bio_utci*' ) RETURN
523	IF ( average_trigger_pet .AND. TRIM( variable ) /= 'bio_pet*' ) RETURN
524	IF ( average_trigger_mrt .AND. TRIM( variable ) /= 'bio_mrt*' ) RETURN
525	!
526	!-- Now memorize which of the input grids are not averaged by other modules. Set averaging
527	!-- switch to .TRUE. and allocate the respective grid in that case.
528	IF ( .NOT. ALLOCATED( pt_av ) ) THEN !< if not averaged by other module
529	ALLOCATE( pt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
530	do_average_theta = .TRUE. !< memorize, that bio is responsible
531	pt_av = 0.0_wp
532	ENDIF
533	IF ( ALLOCATED( pt_av ) .AND. do_average_theta ) THEN
534	DO i = nxl, nxr
535	DO j = nys, nyn
536	DO k = nzb, nzt+1
537	pt_av(k,j,i) = pt_av(k,j,i) + pt(k,j,i)
538	ENDDO
539	ENDDO
540	ENDDO
541	ENDIF
542
543	IF ( .NOT. ALLOCATED( q_av ) ) THEN
544	ALLOCATE( q_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
545	do_average_q = .TRUE.
546	q_av = 0.0_wp
547	ENDIF
548	IF ( ALLOCATED( q_av ) .AND. do_average_q ) THEN
549	DO i = nxl, nxr
550	DO j = nys, nyn
551	DO k = nzb, nzt+1
552	q_av(k,j,i) = q_av(k,j,i) + q(k,j,i)
553	ENDDO
554	ENDDO
555	ENDDO
556	ENDIF
557
558	!
559	!-- u_av, v_av and w_av are always allocated
560	IF ( .NOT. ALLOCATED( u_av ) ) THEN
561	ALLOCATE( u_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
562	do_average_u = .TRUE.
563	u_av = 0.0_wp
564	ENDIF
565	IF ( ALLOCATED( u_av ) .AND. do_average_u ) THEN
566	DO i = nxlg, nxrg !< yes, ghost points are required here!
567	DO j = nysg, nyng
568	DO k = nzb, nzt+1
569	u_av(k,j,i) = u_av(k,j,i) + u(k,j,i)
570	ENDDO
571	ENDDO
572	ENDDO
573	ENDIF
574
575	IF ( .NOT. ALLOCATED( v_av ) ) THEN
576	ALLOCATE( v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
577	do_average_v = .TRUE.
578	v_av = 0.0_wp
579	ENDIF
580	IF ( ALLOCATED( v_av ) .AND. do_average_v ) THEN
581	DO i = nxlg, nxrg !< yes, ghost points are required here!
582	DO j = nysg, nyng
583	DO k = nzb, nzt+1
584	v_av(k,j,i) = v_av(k,j,i) + v(k,j,i)
585	ENDDO
586	ENDDO
587	ENDDO
588	ENDIF
589
590	IF ( .NOT. ALLOCATED( w_av ) ) THEN
591	ALLOCATE( w_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
592	do_average_w = .TRUE.
593	w_av = 0.0_wp
594	ENDIF
595	IF ( ALLOCATED( w_av ) .AND. do_average_w ) THEN
596	DO i = nxlg, nxrg !< yes, ghost points are required here!
597	DO j = nysg, nyng
598	DO k = nzb, nzt+1
599	w_av(k,j,i) = w_av(k,j,i) + w(k,j,i)
600	ENDDO
601	ENDDO
602	ENDDO
603	ENDIF
604
605	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
606	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
607	do_average_mrt = .TRUE.
608	mrt_av_grid = 0.0_wp
609	ENDIF
610	IF ( ALLOCATED( mrt_av_grid ) .AND. do_average_mrt ) THEN
611
612	IF ( mrt_include_sw ) THEN
613	DO l = 1, nmrtbl
614	i = mrtbl(ix,l)
615	j = mrtbl(iy,l)
616	k = mrtbl(iz,l)
617	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
618	( ( human_absorb * mrtinsw(l) + &
619	mrtinlw(l) ) / &
620	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
621	ENDDO
622	ELSE
623	DO l = 1, nmrtbl
624	i = mrtbl(ix,l)
625	j = mrtbl(iy,l)
626	k = mrtbl(iz,l)
627	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
628	( mrtinlw(l) / &
629	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
630	ENDDO
631	ENDIF
632	ENDIF
633	!
634	!-- This is a cumulated dose. No mode == 'average' for this quantity.
635	CASE ( 'uvem_vitd3dose*' )
636	IF ( ALLOCATED( vitd3_dose ) ) THEN
637	DO i = nxlg, nxrg
638	DO j = nysg, nyng
639	vitd3_dose(j,i) = vitd3_dose(j,i) + vitd3_exposure(j,i)
640	ENDDO
641	ENDDO
642	ENDIF
643
644	CASE DEFAULT
645	CONTINUE
646
647	END SELECT
648
649	ELSEIF ( mode == 'average' ) THEN
650
651	SELECT CASE ( TRIM( variable ) )
652
653	CASE ( 'bio_mrt' )
654	!
655	!-- Consider the case 'bio_mrt' is called after some thermal index. In that case
656	!-- do_average_mrt will be .TRUE. leading to a double-averaging.
657	IF ( .NOT. do_average_mrt .AND. ALLOCATED( mrt_av_grid ) ) THEN
658	DO i = nxl, nxr
659	DO j = nys, nyn
660	DO k = nzb, nzt+1
661	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) / REAL( average_count_3d, KIND=wp )
662	ENDDO
663	ENDDO
664	ENDDO
665	ENDIF
666
667	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
668	!
669	!-- Only continue if update index, see above
670	IF ( average_trigger_perct .AND. &
671	TRIM( variable ) /= 'bio_perct*' ) RETURN
672	IF ( average_trigger_utci .AND. &
673	TRIM( variable ) /= 'bio_utci*' ) RETURN
674	IF ( average_trigger_pet .AND. &
675	TRIM( variable ) /= 'bio_pet*' ) RETURN
676	IF ( average_trigger_mrt .AND. &
677	TRIM( variable ) /= 'bio_mrt*' ) RETURN
678
679	IF ( ALLOCATED( pt_av ) .AND. do_average_theta ) THEN
680	DO i = nxl, nxr
681	DO j = nys, nyn
682	DO k = nzb, nzt+1
683	pt_av(k,j,i) = pt_av(k,j,i) / REAL( average_count_3d, KIND = wp )
684	ENDDO
685	ENDDO
686	ENDDO
687	ENDIF
688
689	IF ( ALLOCATED( q_av ) .AND. do_average_q ) THEN
690	DO i = nxl, nxr
691	DO j = nys, nyn
692	DO k = nzb, nzt+1
693	q_av(k,j,i) = q_av(k,j,i) / REAL( average_count_3d, KIND = wp )
694	ENDDO
695	ENDDO
696	ENDDO
697	ENDIF
698
699	IF ( ALLOCATED( u_av ) .AND. do_average_u ) THEN
700	DO i = nxlg, nxrg !< yes, ghost points are required here!
701	DO j = nysg, nyng
702	DO k = nzb, nzt+1
703	u_av(k,j,i) = u_av(k,j,i) / REAL( average_count_3d, KIND = wp )
704	ENDDO
705	ENDDO
706	ENDDO
707	ENDIF
708
709	IF ( ALLOCATED( v_av ) .AND. do_average_v ) THEN
710	DO i = nxlg, nxrg
711	DO j = nysg, nyng
712	DO k = nzb, nzt+1
713	v_av(k,j,i) = v_av(k,j,i) / REAL( average_count_3d, KIND = wp )
714	ENDDO
715	ENDDO
716	ENDDO
717	ENDIF
718
719	IF ( ALLOCATED( w_av ) .AND. do_average_w ) THEN
720	DO i = nxlg, nxrg
721	DO j = nysg, nyng
722	DO k = nzb, nzt+1
723	w_av(k,j,i) = w_av(k,j,i) / REAL( average_count_3d, KIND = wp )
724	ENDDO
725	ENDDO
726	ENDDO
727	ENDIF
728
729	IF ( ALLOCATED( mrt_av_grid ) .AND. do_average_mrt ) THEN
730	DO i = nxl, nxr
731	DO j = nys, nyn
732	DO k = nzb, nzt+1
733	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) / REAL( average_count_3d, KIND=wp )
734	ENDDO
735	ENDDO
736	ENDDO
737	ENDIF
738
739	!
740	!-- No averaging for UVEM SINce we are calculating a dose (only sum is calculated and saved to
741	!-- av.nc file)
742	END SELECT
743
744	ENDIF
745
746
747	END SUBROUTINE bio_3d_data_averaging
748
749
750
751	!--------------------------------------------------------------------------------------------------!
752	! Description:
753	! ------------
754	!> Check data output for biometeorology model
755	!--------------------------------------------------------------------------------------------------!
756	SUBROUTINE bio_check_data_output( var, unit, i, j, ilen, k )
757
758	USE control_parameters, &
759	ONLY: data_output, message_string
760
761	IMPLICIT NONE
762
763	CHARACTER (LEN=*) :: unit !< The unit for the variable var
764	CHARACTER (LEN=*) :: var !< The variable in question
765
766	INTEGER(iwp), INTENT(IN) :: i !< Current element of data_output
767	INTEGER(iwp), INTENT(IN) :: j !< Average quantity? 0 = no, 1 = yes
768	INTEGER(iwp), INTENT(IN) :: ilen !< Length of current entry in data_output
769	INTEGER(iwp), INTENT(IN) :: k !< Output is xy mode? 0 = no, 1 = yes
770
771	SELECT CASE ( TRIM( var ) )
772	!
773	!-- Allocate a temporary array with the desired output dimensions.
774	!-- Arrays for time-averaged thermal indices are also allocated here because they are not running
775	!-- through the standard averaging procedure in bio_3d_data_averaging as the values of the
776	!-- averaged thermal indices are derived in a SINgle step based on priorly averaged arrays (see
777	!-- bio_calculate_thermal_index_maps).
778	CASE ( 'bio_mrt', 'bio_mrt*' )
779	unit = 'degree_C'
780	thermal_comfort = .TRUE. !< enable thermal_comfort if user forgot to do so
781	IF ( .NOT. ALLOCATED( tmrt_grid ) ) THEN
782	ALLOCATE( tmrt_grid (nys:nyn,nxl:nxr) )
783	tmrt_grid = REAL( bio_fill_value, KIND = wp )
784	ENDIF
785	IF ( TRIM( var ) == 'bio_mrt*' ) THEN
786	do_calculate_mrt2d = .TRUE.
787	END IF
788
789	CASE ( 'bio_perct*' )
790	unit = 'degree_C'
791	thermal_comfort = .TRUE.
792	IF ( j == 0 ) THEN !< if instantaneous input
793	do_calculate_perct = .TRUE.
794	IF ( .NOT. ALLOCATED( perct ) ) THEN
795	ALLOCATE( perct (nys:nyn,nxl:nxr) )
796	perct = REAL( bio_fill_value, KIND = wp )
797	ENDIF
798	ELSE !< if averaged input
799	do_calculate_perct_av = .TRUE.
800	IF ( .NOT. ALLOCATED( perct_av ) ) THEN
801	ALLOCATE( perct_av (nys:nyn,nxl:nxr) )
802	perct_av = REAL( bio_fill_value, KIND = wp )
803	ENDIF
804	ENDIF
805
806	CASE ( 'bio_utci*' )
807	unit = 'degree_C'
808	thermal_comfort = .TRUE.
809	IF ( j == 0 ) THEN
810	do_calculate_utci = .TRUE.
811	IF ( .NOT. ALLOCATED( utci ) ) THEN
812	ALLOCATE( utci (nys:nyn,nxl:nxr) )
813	utci = REAL( bio_fill_value, KIND = wp )
814	ENDIF
815	ELSE
816	do_calculate_utci_av = .TRUE.
817	IF ( .NOT. ALLOCATED( utci_av ) ) THEN
818	ALLOCATE( utci_av (nys:nyn,nxl:nxr) )
819	utci_av = REAL( bio_fill_value, KIND = wp )
820	ENDIF
821	ENDIF
822
823	CASE ( 'bio_pet*' )
824	unit = 'degree_C'
825	thermal_comfort = .TRUE.
826	IF ( j == 0 ) THEN
827	do_calculate_pet = .TRUE.
828	IF ( .NOT. ALLOCATED( pet ) ) THEN
829	ALLOCATE( pet (nys:nyn,nxl:nxr) )
830	pet = REAL( bio_fill_value, KIND = wp )
831	ENDIF
832	ELSE
833	do_calculate_pet_av = .TRUE.
834	IF ( .NOT. ALLOCATED( pet_av ) ) THEN
835	ALLOCATE( pet_av (nys:nyn,nxl:nxr) )
836	pet_av = REAL( bio_fill_value, KIND = wp )
837	ENDIF
838	ENDIF
839
840
841	CASE ( 'uvem_vitd3*' )
842	! IF ( .NOT. uv_exposure ) THEN
843	! message_string = 'output of "' // TRIM( var ) // '" requi' // &
844	! 'res a namelist &uvexposure_par'
845	! CALL message( 'uvem_check_data_output', 'UV0001', 1, 2, 0, 6, 0 )
846	! ENDIF
847	IF ( k == 0 .OR. data_output(i)(ilen-2:ilen) /= '_xy' ) THEN
848	message_string = 'illegal value for data_output: "' // &
849	TRIM( var ) // '" & only 2d-horizontal ' // &
850	'cross sections are allowed for this value'
851	CALL message( 'check_parameters', 'PA0111', 1, 2, 0, 6, 0 )
852	ENDIF
853	unit = 'IU/s'
854	IF ( .NOT. ALLOCATED( vitd3_exposure ) ) THEN
855	ALLOCATE( vitd3_exposure(nysg:nyng,nxlg:nxrg) )
856	ENDIF
857	vitd3_exposure = 0.0_wp
858
859	CASE ( 'uvem_vitd3dose*' )
860	! IF ( .NOT. uv_exposure ) THEN
861	! message_string = 'output of "' // TRIM( var ) // '" requi' // &
862	! 'res a namelist &uvexposure_par'
863	! CALL message( 'uvem_check_data_output', 'UV0001', 1, 2, 0, 6, 0 )
864	! ENDIF
865	IF ( k == 0 .OR. data_output(i)(ilen-2:ilen) /= '_xy' ) THEN
866	message_string = 'illegal value for data_output: "' // &
867	TRIM( var ) // '" & only 2d-horizontal ' // &
868	'cross sections are allowed for this value'
869	CALL message( 'check_parameters', 'PA0111', 1, 2, 0, 6, 0 )
870	ENDIF
871	unit = 'IU/av-h'
872	IF ( .NOT. ALLOCATED( vitd3_dose ) ) THEN
873	ALLOCATE( vitd3_dose(nysg:nyng,nxlg:nxrg) )
874	ENDIF
875	vitd3_dose = 0.0_wp
876
877	CASE DEFAULT
878	unit = 'illegal'
879
880	END SELECT
881
882	!
883	!-- Further checks if thermal comfort output is desired.
884	IF ( thermal_comfort .AND. unit(1:6) == 'degree' ) THEN
885	!
886	!-- Break if required modules "radiation" is not available.
887	IF ( .NOT. radiation ) THEN
888	message_string = 'output of "' // TRIM( var ) // '" require' // 's radiation = .TRUE.'
889	CALL message( 'check_parameters', 'PA0509', 1, 2, 0, 6, 0 )
890	unit = 'illegal'
891	ENDIF
892	!
893	!-- All "thermal_comfort" outputs except from 'bio_mrt' will also need humidity input. Check
894	!-- also for that.
895	IF ( TRIM( var ) /= 'bio_mrt' ) THEN
896	IF ( .NOT. humidity ) THEN
897	message_string = 'The estimation of thermal comfort ' // &
898	'requires air humidity information, but ' // &
899	'humidity module is disabled!'
900	CALL message( 'check_parameters', 'PA0561', 1, 2, 0, 6, 0 )
901	unit = 'illegal'
902	ENDIF
903	ENDIF
904
905
906	ENDIF
907
908	END SUBROUTINE bio_check_data_output
909
910	!--------------------------------------------------------------------------------------------------!
911	! Description:
912	! ------------
913	!> Check parameters routine for biom module
914	!> Currently unused but might come in handy for future checks?
915	!--------------------------------------------------------------------------------------------------!
916	SUBROUTINE bio_check_parameters
917
918
919	IMPLICIT NONE
920
921
922	END SUBROUTINE bio_check_parameters
923
924
925	!--------------------------------------------------------------------------------------------------!
926	! Description:
927	! ------------
928	!> Subroutine defining 2D output variables
929	!> data_output_2d 1188ff
930	!--------------------------------------------------------------------------------------------------!
931	SUBROUTINE bio_data_output_2d( av, variable, found, grid, local_pf, two_d, nzb_do, nzt_do)
932
933
934	USE kinds
935
936
937	IMPLICIT NONE
938	!
939	!-- Input variables
940	CHARACTER (LEN=*), INTENT(IN) :: variable !< Char identifier to select var for output
941	INTEGER(iwp), INTENT(IN) :: av !< Use averaged data? 0 = no, 1 = yes?
942	INTEGER(iwp), INTENT(IN) :: nzb_do !< Unused. 2D. nz bottom to nz top
943	INTEGER(iwp), INTENT(IN) :: nzt_do !< Unused.
944	!
945	!-- Output variables
946	CHARACTER (LEN=*), INTENT(OUT) :: grid !< Grid type (always "zu1" for biom)
947
948	LOGICAL, INTENT(OUT) :: found !< Output found?
949	LOGICAL, INTENT(OUT) :: two_d !< Flag parameter that indicates 2D variables,
950	!< horizontal cross sections, must be .TRUE. for thermal indices and uv
951	REAL(wp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< Temp. result grid to return
952	!
953	!-- Internal variables
954	INTEGER(iwp) :: i !< Running index, x-dir
955	INTEGER(iwp) :: j !< Running index, y-dir
956	INTEGER(iwp) :: k !< Running index, z-dir
957	INTEGER(iwp) :: l !< Running index, radiation grid
958
959
960	found = .TRUE.
961	local_pf = bio_fill_value
962
963	SELECT CASE ( TRIM( variable ) )
964
965
966	CASE ( 'bio_mrt_xy' )
967	grid = 'zu1'
968	two_d = .FALSE. !< can be calculated for several levels
969	local_pf = REAL( bio_fill_value, KIND = wp )
970	DO l = 1, nmrtbl
971	i = mrtbl(ix,l)
972	j = mrtbl(iy,l)
973	k = mrtbl(iz,l)
974	IF ( k < nzb_do .OR. k > nzt_do .OR. j < nys .OR. &
975	j > nyn .OR. i < nxl .OR. i > nxr ) CYCLE
976	IF ( av == 0 ) THEN
977	IF ( mrt_include_sw ) THEN
978	local_pf(i,j,k) = ( ( human_absorb * mrtinsw(l) + &
979	mrtinlw(l) ) / &
980	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
981	ELSE
982	local_pf(i,j,k) = ( mrtinlw(l) / &
983	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
984	ENDIF
985	ELSE
986	local_pf(i,j,k) = mrt_av_grid(k,j,i)
987	ENDIF
988	ENDDO
989
990	CASE ( 'bio_mrt*_xy' ) ! 2d-array
991	grid = 'zu1'
992	two_d = .TRUE.
993	IF ( av == 0 ) THEN
994	DO i = nxl, nxr
995	DO j = nys, nyn
996	local_pf(i,j,nzb+1) = tmrt_grid(j,i)
997	ENDDO
998	ENDDO
999	ELSE
1000	DO i = nxl, nxr
1001	DO j = nys, nyn
1002	local_pf(i,j,nzb+1) = tmrt_av_grid(j,i)
1003	ENDDO
1004	ENDDO
1005	ENDIF
1006
1007
1008	CASE ( 'bio_perct*_xy' ) ! 2d-array
1009	grid = 'zu1'
1010	two_d = .TRUE.
1011	IF ( av == 0 ) THEN
1012	DO i = nxl, nxr
1013	DO j = nys, nyn
1014	local_pf(i,j,nzb+1) = perct(j,i)
1015	ENDDO
1016	ENDDO
1017	ELSE
1018	DO i = nxl, nxr
1019	DO j = nys, nyn
1020	local_pf(i,j,nzb+1) = perct_av(j,i)
1021	ENDDO
1022	ENDDO
1023	ENDIF
1024
1025
1026	CASE ( 'bio_utci*_xy' ) ! 2d-array
1027	grid = 'zu1'
1028	two_d = .TRUE.
1029	IF ( av == 0 ) THEN
1030	DO i = nxl, nxr
1031	DO j = nys, nyn
1032	local_pf(i,j,nzb+1) = utci(j,i)
1033	ENDDO
1034	ENDDO
1035	ELSE
1036	DO i = nxl, nxr
1037	DO j = nys, nyn
1038	local_pf(i,j,nzb+1) = utci_av(j,i)
1039	ENDDO
1040	ENDDO
1041	ENDIF
1042
1043
1044	CASE ( 'bio_pet*_xy' ) ! 2d-array
1045	grid = 'zu1'
1046	two_d = .TRUE.
1047	IF ( av == 0 ) THEN
1048	DO i = nxl, nxr
1049	DO j = nys, nyn
1050	local_pf(i,j,nzb+1) = pet(j,i)
1051	ENDDO
1052	ENDDO
1053	ELSE
1054	DO i = nxl, nxr
1055	DO j = nys, nyn
1056	local_pf(i,j,nzb+1) = pet_av(j,i)
1057	ENDDO
1058	ENDDO
1059	ENDIF
1060
1061	!
1062	!-- Before data is transfered to local_pf, transfer is in 2D dummy variable and exchange ghost
1063	!-- points therein. However, at this point this is only required for instantaneous arrays,
1064	!-- time-averaged quantities are already exchanged.
1065	CASE ( 'uvem_vitd3*_xy' ) ! 2d-array
1066	IF ( av == 0 ) THEN
1067	DO i = nxl, nxr
1068	DO j = nys, nyn
1069	local_pf(i,j,nzb+1) = vitd3_exposure(j,i)
1070	ENDDO
1071	ENDDO
1072	ENDIF
1073
1074	two_d = .TRUE.
1075	grid = 'zu1'
1076
1077	CASE ( 'uvem_vitd3dose*_xy' ) ! 2d-array
1078	IF ( av == 1 ) THEN
1079	DO i = nxl, nxr
1080	DO j = nys, nyn
1081	local_pf(i,j,nzb+1) = vitd3_dose(j,i)
1082	ENDDO
1083	ENDDO
1084	ENDIF
1085
1086	two_d = .TRUE.
1087	grid = 'zu1'
1088
1089
1090	CASE DEFAULT
1091	found = .FALSE.
1092	grid = 'none'
1093
1094	END SELECT
1095
1096
1097	END SUBROUTINE bio_data_output_2d
1098
1099
1100	!--------------------------------------------------------------------------------------------------!
1101	! Description:
1102	! ------------
1103	!> Subroutine defining 3D output variables (dummy, always 2d!)
1104	!> data_output_3d 709ff
1105	!--------------------------------------------------------------------------------------------------!
1106	SUBROUTINE bio_data_output_3d( av, variable, found, local_pf, nzb_do, nzt_do )
1107
1108	USE indices
1109
1110	USE kinds
1111
1112
1113	IMPLICIT NONE
1114	!
1115	!-- Input variables
1116	CHARACTER (LEN=*), INTENT(IN) :: variable !< Char identifier to select var for output
1117
1118	INTEGER(iwp), INTENT(IN) :: av !< Use averaged data? 0 = no, 1 = yes?
1119	INTEGER(iwp), INTENT(IN) :: nzb_do !< Unused. 2D. nz bottom to nz top
1120	INTEGER(iwp), INTENT(IN) :: nzt_do !< Unused.
1121	!
1122	!-- Output variables
1123	LOGICAL, INTENT(OUT) :: found !< Output found?
1124
1125	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< Temp. result grid to return
1126	!
1127	!-- Internal variables
1128	INTEGER(iwp) :: l !< Running index, radiation grid
1129	INTEGER(iwp) :: i !< Running index, x-dir
1130	INTEGER(iwp) :: j !< Running index, y-dir
1131	INTEGER(iwp) :: k !< Running index, z-dir
1132
1133	! REAL(wp) :: mrt !< Buffer for mean radiant temperature
1134
1135	found = .TRUE.
1136
1137	SELECT CASE ( TRIM( variable ) )
1138
1139	CASE ( 'bio_mrt' )
1140	local_pf = REAL( bio_fill_value, KIND = sp )
1141	DO l = 1, nmrtbl
1142	i = mrtbl(ix,l)
1143	j = mrtbl(iy,l)
1144	k = mrtbl(iz,l)
1145	IF ( k < nzb_do .OR. k > nzt_do .OR. j < nys .OR. &
1146	j > nyn .OR. i < nxl .OR. i > nxr ) CYCLE
1147	IF ( av == 0 ) THEN
1148	IF ( mrt_include_sw ) THEN
1149	local_pf(i,j,k) = REAL( ( ( human_absorb * mrtinsw(l) + &
1150	mrtinlw(l) ) / &
1151	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k, &
1152	KIND = sp )
1153	ELSE
1154	local_pf(i,j,k) = REAL( ( mrtinlw(l) / &
1155	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k, &
1156	KIND = sp )
1157	ENDIF
1158	ELSE
1159	local_pf(i,j,k) = REAL( mrt_av_grid(k,j,i), KIND = sp )
1160	ENDIF
1161	ENDDO
1162
1163	CASE DEFAULT
1164	found = .FALSE.
1165
1166	END SELECT
1167
1168	END SUBROUTINE bio_data_output_3d
1169
1170	!--------------------------------------------------------------------------------------------------!
1171	! Description:
1172	! ------------
1173	!> Subroutine defining appropriate grid for netcdf variables.
1174	!> It is called out from subroutine netcdf_interface_mod.
1175	!> netcdf_interface_mod 918ff
1176	!--------------------------------------------------------------------------------------------------!
1177	SUBROUTINE bio_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1178
1179	IMPLICIT NONE
1180	!
1181	!-- Input variables
1182	CHARACTER (LEN=*), INTENT(IN) :: var !< Name of output variable
1183	!
1184	!-- Output variables
1185	CHARACTER (LEN=*), INTENT(OUT) :: grid_x !< x grid of output variable
1186	CHARACTER (LEN=*), INTENT(OUT) :: grid_y !< y grid of output variable
1187	CHARACTER (LEN=*), INTENT(OUT) :: grid_z !< z grid of output variable
1188
1189	LOGICAL, INTENT(OUT) :: found !< Flag if output var is found
1190	!
1191	!-- Local variables
1192	INTEGER(iwp) :: l !< Length of the var array
1193
1194	LOGICAL :: is2d !< Var is 2d?
1195
1196	found = .FALSE.
1197	grid_x = 'none'
1198	grid_y = 'none'
1199	grid_z = 'none'
1200
1201	l = MAX( 2, LEN_TRIM( var ) )
1202	is2d = ( var(l-1:l) == 'xy' )
1203
1204	IF ( var(1:4) == 'bio_' ) THEN
1205	found = .TRUE.
1206	grid_x = 'x'
1207	grid_y = 'y'
1208	grid_z = 'zu'
1209	IF ( is2d .AND. var(1:7) /= 'bio_mrt' ) grid_z = 'zu1'
1210	ENDIF
1211
1212	IF ( is2d .AND. var(1:4) == 'uvem' ) THEN
1213	grid_x = 'x'
1214	grid_y = 'y'
1215	grid_z = 'zu1'
1216	ENDIF
1217
1218	END SUBROUTINE bio_define_netcdf_grid
1219
1220	!--------------------------------------------------------------------------------------------------!
1221	! Description:
1222	! ------------
1223	!> Header output for biom module
1224	!> header 982
1225	!--------------------------------------------------------------------------------------------------!
1226	SUBROUTINE bio_header( io )
1227
1228	IMPLICIT NONE
1229	!
1230	!-- Input variables
1231	INTEGER(iwp), INTENT(IN) :: io !< Unit of the output file
1232	!
1233	!-- Internal variables
1234	CHARACTER (LEN=86) :: output_height_chr !< String for output height
1235
1236	WRITE( output_height_chr, '(F8.1,7X)' ) bio_output_height
1237	!
1238	!-- Write biom header
1239	WRITE( io, 1 )
1240	WRITE( io, 2 ) TRIM( output_height_chr )
1241	WRITE( io, 3 ) TRIM( ACHAR( bio_cell_level ) )
1242
1243	1 FORMAT (//' Human thermal comfort module information:'/ &
1244	' ------------------------------'/)
1245	2 FORMAT (' --> All indices calculated for a height of (m): ', A )
1246	3 FORMAT (' --> This corresponds to cell level : ', A )
1247
1248	END SUBROUTINE bio_header
1249
1250
1251	!--------------------------------------------------------------------------------------------------!
1252	! Description:
1253	! ------------
1254	!> Initialization of the HTCM
1255	!> init_3d_model 1987ff
1256	!--------------------------------------------------------------------------------------------------!
1257	SUBROUTINE bio_init
1258
1259	USE netcdf_data_input_mod, &
1260	ONLY: netcdf_data_input_uvem
1261
1262	IMPLICIT NONE
1263	!
1264	!-- Internal vriables
1265	REAL ( wp ) :: height !< current height in meters
1266
1267	IF ( debug_output ) CALL debug_message( 'bio_init', 'start' )
1268	!
1269	!-- Determine cell level corresponding to 1.1 m above ground level (gravimetric center of sample
1270	!-- human)
1271
1272	bio_cell_level = 0_iwp
1273	bio_output_height = 0.5_wp * dz(1)
1274	height = 0.0_wp
1275
1276	bio_cell_level = INT( 1.099_wp / dz(1) )
1277	bio_output_height = bio_output_height + bio_cell_level * dz(1)
1278	!
1279	!-- Set radiation level if not done by user
1280	IF ( mrt_nlevels == 0 ) THEN
1281	mrt_nlevels = bio_cell_level + 1_iwp
1282	ENDIF
1283	!
1284	!-- Init UVEM and load lookup tables
1285	IF ( uv_exposure ) CALL netcdf_data_input_uvem
1286
1287	IF ( debug_output ) CALL debug_message( 'bio_init', 'end' )
1288
1289	END SUBROUTINE bio_init
1290
1291
1292	!--------------------------------------------------------------------------------------------------!
1293	! Description:
1294	! ------------
1295	!> Checks done after the Initialization
1296	!--------------------------------------------------------------------------------------------------!
1297	SUBROUTINE bio_init_checks
1298
1299	USE control_parameters, &
1300	ONLY: message_string
1301
1302	IF ( (.NOT. radiation_interactions) .AND. ( thermal_comfort ) ) THEN
1303	message_string = 'The mrt calculation requires ' // &
1304	'enabled radiation_interactions but it ' // &
1305	'is disabled!'
1306	CALL message( 'bio_init_checks', 'PAHU03', 1, 2, 0, 6, 0 )
1307	ENDIF
1308
1309
1310	END SUBROUTINE bio_init_checks
1311
1312
1313	!--------------------------------------------------------------------------------------------------!
1314	! Description:
1315	! ------------
1316	!> Parin for &biometeorology_parameters for reading biomet parameters
1317	!--------------------------------------------------------------------------------------------------!
1318	SUBROUTINE bio_parin
1319
1320	IMPLICIT NONE
1321
1322	!
1323	!-- Internal variables
1324	CHARACTER (LEN=80) :: line !< Dummy string for current line in parameter file
1325
1326	NAMELIST /biometeorology_parameters/ clothing, &
1327	consider_obstructions, &
1328	orientation_angle, &
1329	sun_in_south, &
1330	thermal_comfort, &
1331	turn_to_sun, &
1332	uv_exposure
1333
1334
1335	!-- Try to find biometeorology_parameters namelist
1336	REWIND ( 11 )
1337	line = ' '
1338	DO WHILE ( INDEX( line, '&biometeorology_parameters' ) == 0 )
1339	READ ( 11, '(A)', END = 20 ) line
1340	ENDDO
1341	BACKSPACE ( 11 )
1342
1343	!
1344	!-- Read biometeorology_parameters namelist
1345	READ ( 11, biometeorology_parameters, ERR = 10, END = 20 )
1346
1347	!
1348	!-- Set flag that indicates that the biomet_module is switched on
1349	biometeorology = .TRUE.
1350
1351	GOTO 20
1352
1353	!
1354	!-- In case of error
1355	10 BACKSPACE( 11 )
1356	READ( 11 , '(A)') line
1357	CALL parin_fail_message( 'biometeorology_parameters', line )
1358
1359	!
1360	!-- Complete
1361	20 CONTINUE
1362
1363
1364	END SUBROUTINE bio_parin
1365
1366	!--------------------------------------------------------------------------------------------------!
1367	! Description:
1368	! ------------
1369	!> Read module-specific global restart data (Fortran binary format).
1370	!--------------------------------------------------------------------------------------------------!
1371	SUBROUTINE bio_rrd_global_ftn( found )
1372
1373	USE control_parameters, &
1374	ONLY: length, restart_string
1375
1376
1377	IMPLICIT NONE
1378
1379	LOGICAL, INTENT(OUT) :: found !< variable found? yes = .T., no = .F.
1380
1381	found = .TRUE.
1382
1383
1384	SELECT CASE ( restart_string(1:length) )
1385
1386	!
1387	!-- Read control flags to determine if input grids need to be averaged.
1388	CASE ( 'do_average_theta' )
1389	READ ( 13 ) do_average_theta
1390
1391	CASE ( 'do_average_q' )
1392	READ ( 13 ) do_average_q
1393
1394	CASE ( 'do_average_u' )
1395	READ ( 13 ) do_average_u
1396
1397	CASE ( 'do_average_v' )
1398	READ ( 13 ) do_average_v
1399
1400	CASE ( 'do_average_w' )
1401	READ ( 13 ) do_average_w
1402
1403	CASE ( 'do_average_mrt' )
1404	READ ( 13 ) do_average_mrt
1405
1406	!
1407	!-- Read control flags to determine which thermal index needs to trigger averaging.
1408	CASE ( 'average_trigger_perct' )
1409	READ ( 13 ) average_trigger_perct
1410
1411	CASE ( 'average_trigger_utci' )
1412	READ ( 13 ) average_trigger_utci
1413
1414	CASE ( 'average_trigger_pet' )
1415	READ ( 13 ) average_trigger_pet
1416
1417	CASE ( 'average_trigger_mrt' )
1418	READ ( 13 ) average_trigger_mrt
1419
1420
1421	CASE DEFAULT
1422
1423	found = .FALSE.
1424
1425	END SELECT
1426
1427
1428	END SUBROUTINE bio_rrd_global_ftn
1429
1430
1431	!--------------------------------------------------------------------------------------------------!
1432	! Description:
1433	! ------------
1434	!> Read module-specific global restart data (MPI-IO).
1435	!--------------------------------------------------------------------------------------------------!
1436	SUBROUTINE bio_rrd_global_mpi
1437
1438
1439	!
1440	!-- Read control flags to determine if input grids need to be averaged
1441	CALL rrd_mpi_io( 'do_average_theta', do_average_theta )
1442	CALL rrd_mpi_io( 'do_average_q', do_average_q )
1443	CALL rrd_mpi_io( 'do_average_u', do_average_u )
1444	CALL rrd_mpi_io( 'do_average_v', do_average_v )
1445	CALL rrd_mpi_io( 'do_average_w', do_average_w )
1446	CALL rrd_mpi_io( 'do_average_mrt', do_average_mrt )
1447	!
1448	!-- Rad control flags to determine which thermal index needs to trigger averaging
1449	CALL rrd_mpi_io( 'average_trigger_perct', average_trigger_perct )
1450	CALL rrd_mpi_io( 'average_trigger_utci', average_trigger_utci )
1451	CALL rrd_mpi_io( 'average_trigger_pet', average_trigger_pet )
1452	CALL rrd_mpi_io( 'average_trigger_mrt', average_trigger_mrt )
1453
1454	END SUBROUTINE bio_rrd_global_mpi
1455
1456
1457	!--------------------------------------------------------------------------------------------------!
1458	! Description:
1459	! ------------
1460	!> Read module-specific local restart data arrays (Fortran binary format).
1461	!--------------------------------------------------------------------------------------------------!
1462	SUBROUTINE bio_rrd_local_ftn( found )
1463
1464
1465	USE control_parameters, &
1466	ONLY: length, restart_string
1467
1468
1469	IMPLICIT NONE
1470
1471
1472	LOGICAL, INTENT(OUT) :: found !< variable found? yes = .TRUE., no = .FALSE.
1473
1474	found = .TRUE.
1475
1476
1477	SELECT CASE ( restart_string(1:length) )
1478
1479	CASE ( 'mrt_av_grid' )
1480	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
1481	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1482	mrt_av_grid = 0.0_wp
1483	ENDIF
1484	READ ( 13 ) mrt_av_grid
1485
1486	CASE DEFAULT
1487
1488	found = .FALSE.
1489
1490	END SELECT
1491
1492
1493	END SUBROUTINE bio_rrd_local_ftn
1494
1495
1496	!------------------------------------------------------------------------------!
1497	! Description:
1498	! ------------
1499	!> Read module-specific local restart data arrays (Fortran binary format).
1500	!------------------------------------------------------------------------------!
1501	SUBROUTINE bio_rrd_local_mpi
1502
1503	USE control_parameters
1504
1505	USE indices
1506
1507	USE kinds
1508
1509
1510	IMPLICIT NONE
1511
1512	LOGICAL :: array_found !<
1513
1514	CALL rd_mpi_io_check_array( 'mrt_av_grid' , found = array_found )
1515	IF ( array_found ) THEN
1516	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1517	CALL rrd_mpi_io( 'mrt_av_grid', mrt_av_grid )
1518	ENDIF
1519
1520	END SUBROUTINE bio_rrd_local_mpi
1521
1522
1523	!--------------------------------------------------------------------------------------------------!
1524	! Description:
1525	! ------------
1526	!> Write global restart data for the biometeorology module.
1527	!--------------------------------------------------------------------------------------------------!
1528	SUBROUTINE bio_wrd_global
1529
1530	IF ( TRIM( restart_data_format_output ) == 'fortran_binary' ) THEN
1531
1532	CALL wrd_write_string( 'do_average_theta' )
1533	WRITE ( 14 ) do_average_theta
1534	CALL wrd_write_string( 'do_average_q' )
1535	WRITE ( 14 ) do_average_q
1536	CALL wrd_write_string( 'do_average_u' )
1537	WRITE ( 14 ) do_average_u
1538	CALL wrd_write_string( 'do_average_v' )
1539	WRITE ( 14 ) do_average_v
1540	CALL wrd_write_string( 'do_average_w' )
1541	WRITE ( 14 ) do_average_w
1542	CALL wrd_write_string( 'do_average_mrt' )
1543	WRITE ( 14 ) do_average_mrt
1544	CALL wrd_write_string( 'average_trigger_perct' )
1545	WRITE ( 14 ) average_trigger_perct
1546	CALL wrd_write_string( 'average_trigger_utci' )
1547	WRITE ( 14 ) average_trigger_utci
1548	CALL wrd_write_string( 'average_trigger_pet' )
1549	WRITE ( 14 ) average_trigger_pet
1550	CALL wrd_write_string( 'average_trigger_mrt' )
1551	WRITE ( 14 ) average_trigger_mrt
1552
1553	ELSEIF ( TRIM( restart_data_format_output(1:3) ) == 'mpi' ) THEN
1554
1555	CALL wrd_mpi_io( 'do_average_theta', do_average_theta )
1556	CALL wrd_mpi_io( 'do_average_q', do_average_q )
1557	CALL wrd_mpi_io( 'do_average_u', do_average_u )
1558	CALL wrd_mpi_io( 'do_average_v', do_average_v )
1559	CALL wrd_mpi_io( 'do_average_w', do_average_w )
1560	CALL wrd_mpi_io( 'do_average_mrt', do_average_mrt )
1561	CALL wrd_mpi_io( 'average_trigger_perct', average_trigger_perct )
1562	CALL wrd_mpi_io( 'average_trigger_utci', average_trigger_utci )
1563	CALL wrd_mpi_io( 'average_trigger_pet', average_trigger_pet )
1564	CALL wrd_mpi_io( 'average_trigger_mrt', average_trigger_mrt )
1565
1566	ENDIF
1567
1568	END SUBROUTINE bio_wrd_global
1569
1570
1571	!--------------------------------------------------------------------------------------------------!
1572	! Description:
1573	! ------------
1574	!> Write local restart data for the biometeorology module.
1575	!--------------------------------------------------------------------------------------------------!
1576	SUBROUTINE bio_wrd_local
1577
1578	IF ( TRIM( restart_data_format_output ) == 'fortran_binary' ) THEN
1579
1580	IF ( ALLOCATED( mrt_av_grid ) ) THEN
1581	CALL wrd_write_string( 'mrt_av_grid' )
1582	WRITE ( 14 ) mrt_av_grid
1583	ENDIF
1584
1585	ELSEIF ( TRIM( restart_data_format_output(1:3) ) == 'mpi' ) THEN
1586
1587	IF ( ALLOCATED( mrt_av_grid ) ) CALL wrd_mpi_io( 'mrt_av_grid', mrt_av_grid )
1588
1589	ENDIF
1590
1591	END SUBROUTINE bio_wrd_local
1592
1593	!--------------------------------------------------------------------------------------------------!
1594	! Description:
1595	! ------------
1596	!> Calculate biometeorology MRT for all 2D grid
1597	!--------------------------------------------------------------------------------------------------!
1598	SUBROUTINE bio_calculate_mrt_grid ( av )
1599
1600	IMPLICIT NONE
1601
1602	LOGICAL, INTENT(IN) :: av !< use averaged input?
1603	!
1604	!-- Internal variables
1605	INTEGER(iwp) :: i !< Running index, x-dir, radiation coordinates
1606	INTEGER(iwp) :: j !< Running index, y-dir, radiation coordinates
1607	INTEGER(iwp) :: k !< Running index, y-dir, radiation coordinates
1608	INTEGER(iwp) :: l !< Running index, radiation coordinates
1609
1610
1611	!
1612	!-- We need to differentiate if averaged input is desired (av == .TRUE.) or not.
1613	IF ( av ) THEN
1614	!
1615	!-- Make sure tmrt_av_grid is present and initialize with the fill value
1616	IF ( .NOT. ALLOCATED( tmrt_av_grid ) ) THEN
1617	ALLOCATE( tmrt_av_grid(nys:nyn,nxl:nxr) )
1618	ENDIF
1619	tmrt_av_grid = REAL( bio_fill_value, KIND = wp )
1620
1621	!
1622	!-- mrt_av_grid should always be allcoated here, but better make sure ist actually is.
1623	IF ( ALLOCATED( mrt_av_grid ) ) THEN
1624	!
1625	!-- Iterate over the radiation grid (radiation coordinates) and fill the tmrt_av_grid
1626	!-- (x, y coordinates) where appropriate: tmrt_av_grid is written for all i / j if level (k)
1627	!-- matches output height.
1628	DO l = 1, nmrtbl
1629	i = mrtbl(ix,l)
1630	j = mrtbl(iy,l)
1631	k = mrtbl(iz,l)
1632	IF ( k - topo_top_ind(j,i,0) == bio_cell_level + 1_iwp) THEN
1633	!
1634	!-- Averaging was done before, so we can just copy the result here.
1635	tmrt_av_grid(j,i) = mrt_av_grid(k,j,i)
1636
1637	ENDIF
1638	ENDDO
1639	ENDIF
1640
1641	!
1642	!-- In case instantaneous input is desired, mrt values will be re-calculated.
1643	ELSE
1644	!
1645	!-- Calculate biometeorology MRT from local radiation fluxes calculated by RTM and assign into 2D
1646	!-- grid. Depending on selected output quantities, tmrt_grid might not have been allocated in
1647	!-- bio_check_data_output yet.
1648	IF ( .NOT. ALLOCATED( tmrt_grid ) ) THEN
1649	ALLOCATE( tmrt_grid (nys:nyn,nxl:nxr) )
1650	ENDIF
1651	tmrt_grid = REAL( bio_fill_value, KIND = wp )
1652
1653	DO l = 1, nmrtbl
1654	i = mrtbl(ix,l)
1655	j = mrtbl(iy,l)
1656	k = mrtbl(iz,l)
1657	IF ( k - topo_top_ind(j,i,0) == bio_cell_level + 1_iwp) THEN
1658	IF ( mrt_include_sw ) THEN
1659	tmrt_grid(j,i) = ( ( human_absorb * mrtinsw(l) + &
1660	mrtinlw(l) ) / &
1661	( human_emiss * sigma_sb ) )**0.25_wp - &
1662	degc_to_k
1663	ELSE
1664	tmrt_grid(j,i) = ( mrtinlw(l) / &
1665	( human_emiss * sigma_sb ) )**0.25_wp - &
1666	degc_to_k
1667	ENDIF
1668	ENDIF
1669	ENDDO
1670	ENDIF
1671
1672	END SUBROUTINE bio_calculate_mrt_grid
1673
1674
1675	!--------------------------------------------------------------------------------------------------!
1676	! Description:
1677	! ------------
1678	!> Calculate static thermal indices for 2D grid point i, j
1679	!--------------------------------------------------------------------------------------------------!
1680	SUBROUTINE bio_get_thermal_index_input_ij( average_input, i, j, ta, vp, ws, pair, tmrt )
1681
1682	IMPLICIT NONE
1683	!
1684	!-- Input variables
1685	LOGICAL, INTENT ( IN ) :: average_input !< Determine averaged input conditions?
1686	INTEGER(iwp), INTENT ( IN ) :: i !< Running index, x-dir
1687	INTEGER(iwp), INTENT ( IN ) :: j !< Running index, y-dir
1688	!
1689	!-- Output parameters
1690	REAL(wp), INTENT ( OUT ) :: pair !< Air pressure (hPa)
1691	REAL(wp), INTENT ( OUT ) :: ta !< Air temperature (degree_C)
1692	REAL(wp), INTENT ( OUT ) :: tmrt !< Mean radiant temperature (degree_C)
1693	REAL(wp), INTENT ( OUT ) :: vp !< Vapour pressure (hPa)
1694	REAL(wp), INTENT ( OUT ) :: ws !< Wind speed (local level) (m/s)
1695	!
1696	!-- Internal variables
1697	INTEGER(iwp) :: k !< Running index, z-dir
1698	INTEGER(iwp) :: k_wind !< Running index, z-dir, wind speed only
1699
1700	REAL(wp) :: vp_sat !< Saturation vapor pressure (hPa)
1701
1702	!
1703	!-- Determine cell level closest to 1.1m above ground by making use of truncation due to int cast.
1704	k = INT( topo_top_ind(j,i,0) + bio_cell_level ) !< Vertical cell center closest to 1.1m
1705
1706	!
1707	!-- Avoid non-representative horizontal u and v of 0.0 m/s too close to ground
1708	k_wind = k
1709	IF ( bio_cell_level < 1_iwp ) THEN
1710	k_wind = k + 1_iwp
1711	ENDIF
1712	!
1713	!-- Determine local values:
1714	IF ( average_input ) THEN
1715	!
1716	!-- Calculate ta from Tp assuming dry adiabatic laps rate
1717	ta = bio_fill_value
1718	IF ( ALLOCATED( pt_av ) ) THEN
1719	ta = pt_av(k,j,i) - ( 0.0098_wp * dz(1) * ( k + 0.5_wp ) ) - degc_to_k
1720	ENDIF
1721
1722	vp = bio_fill_value
1723	IF ( humidity .AND. ALLOCATED( q_av ) ) THEN
1724	vp = q_av(k,j,i)
1725	ENDIF
1726
1727	ws = bio_fill_value
1728	IF ( ALLOCATED( u_av ) .AND. ALLOCATED( v_av ) .AND. &
1729	ALLOCATED( w_av ) ) THEN
1730	ws = ( 0.5_wp * ABS( u_av(k_wind,j,i) + u_av(k_wind,j,i+1) ) + &
1731	0.5_wp * ABS( v_av(k_wind,j,i) + v_av(k_wind,j+1,i) ) + &
1732	0.5_wp * ABS( w_av(k_wind,j,i) + w_av(k_wind+1,j,i) ) )
1733	ENDIF
1734	ELSE
1735	!
1736	!-- Calculate ta from Tp assuming dry adiabatic laps rate
1737	ta = pt(k,j,i) - ( 0.0098_wp * dz(1) * ( k + 0.5_wp ) ) - degc_to_k
1738
1739	vp = bio_fill_value
1740	IF ( humidity ) THEN
1741	vp = q(k,j,i)
1742	ENDIF
1743
1744	ws = ( 0.5_wp * ABS( u(k_wind,j,i) + u(k_wind,j,i+1) ) + &
1745	0.5_wp * ABS( v(k_wind,j,i) + v(k_wind,j+1,i) ) + &
1746	0.5_wp * ABS( w(k_wind,j,i) + w(k_wind+1,j,i) ) )
1747
1748	ENDIF
1749	!
1750	!-- Local air pressure
1751	pair = surface_pressure
1752	!
1753	!-- Calculate water vapour pressure at saturation and convert to hPa.
1754	!-- The magnus formula is limited to temperatures up to 333.15 K to avoid negative values of vp_sat.
1755	IF ( vp > -998.0_wp ) THEN
1756	vp_sat = 0.01_wp * magnus( MIN( ta + degc_to_k, 333.15_wp ) )
1757	vp = vp * pair / ( vp + 0.622_wp )
1758	IF ( vp > vp_sat ) vp = vp_sat
1759	ENDIF
1760	!
1761	!-- Local mtr value at [i,j]
1762	tmrt = bio_fill_value !< this can be a valid result (e.g. for inside some ostacle)
1763	IF ( .NOT. average_input ) THEN
1764	!
1765	!-- Use MRT from RTM precalculated in tmrt_grid
1766	tmrt = tmrt_grid(j,i)
1767	ELSE
1768	tmrt = tmrt_av_grid(j,i)
1769	ENDIF
1770
1771	END SUBROUTINE bio_get_thermal_index_input_ij
1772
1773
1774	!--------------------------------------------------------------------------------------------------!
1775	! Description:
1776	! ------------
1777	!> Calculate static thermal indices for any point within a 2D grid time_integration.f90: 1065ff
1778	!--------------------------------------------------------------------------------------------------!
1779	SUBROUTINE bio_calculate_thermal_index_maps( av )
1780
1781	IMPLICIT NONE
1782	!
1783	!-- Input attributes
1784	LOGICAL, INTENT ( IN ) :: av !< Calculate based on averaged input conditions?
1785	!
1786	!-- Internal variables
1787	INTEGER(iwp) :: i, j !< Running index
1788
1789	REAL(wp) :: clo !< Clothing index (no dimension)
1790	REAL(wp) :: pair !< Air pressure (hPa)
1791	REAL(wp) :: perct_ij !< Perceived temperature (degree_C)
1792	REAL(wp) :: pet_ij !< Physiologically equivalent temperature (degree_C)
1793	REAL(wp) :: ta !< Air temperature (degree_C)
1794	REAL(wp) :: tmrt_ij !< Mean radiant temperature (degree_C)
1795	REAL(wp) :: utci_ij !< Universal thermal climate index (degree_C)
1796	REAL(wp) :: vp !< Vapour pressure (hPa)
1797	REAL(wp) :: ws !< Wind speed (local level) (m/s)
1798
1799	!
1800	!-- Check if some thermal index is desired. Don't do anything if, e.g. only bio_mrt is desired.
1801	IF ( do_calculate_perct .OR. do_calculate_perct_av .OR. do_calculate_utci .OR. &
1802	do_calculate_utci_av .OR. do_calculate_pet .OR. do_calculate_pet_av .OR. &
1803	do_calculate_mrt2d ) THEN
1804
1805	!
1806	!-- fill out the MRT 2D grid from appropriate source (RTM, RRTMG,...)
1807	CALL bio_calculate_mrt_grid ( av )
1808
1809	DO i = nxl, nxr
1810	DO j = nys, nyn
1811	!
1812	!-- Determine local input conditions
1813	tmrt_ij = bio_fill_value
1814	vp = bio_fill_value
1815	!
1816	!-- Determine local meteorological conditions
1817	CALL bio_get_thermal_index_input_ij ( av, i, j, ta, vp, ws, pair, tmrt_ij )
1818	!
1819	!-- Only proceed if input is available
1820	pet_ij = bio_fill_value !< set fail value, e.g. valid for
1821	perct_ij = bio_fill_value !< within some obstacle
1822	utci_ij = bio_fill_value
1823	IF ( .NOT. ( tmrt_ij <= -998.0_wp .OR. vp <= -998.0_wp .OR. ws <= -998.0_wp .OR.&
1824	ta <= -998.0_wp ) ) THEN
1825	!
1826	!-- Calculate static thermal indices based on local tmrt
1827	clo = bio_fill_value
1828
1829	IF ( do_calculate_perct .OR. do_calculate_perct_av ) THEN
1830	!
1831	!-- Estimate local perceived temperature
1832	CALL calculate_perct_static( ta, vp, ws, tmrt_ij, pair, clo, perct_ij )
1833	ENDIF
1834
1835	IF ( do_calculate_utci .OR. do_calculate_utci_av ) THEN
1836	!
1837	!-- Estimate local universal thermal climate index
1838	CALL calculate_utci_static( ta, vp, ws, tmrt_ij, bio_output_height, utci_ij )
1839	ENDIF
1840
1841	IF ( do_calculate_pet .OR. do_calculate_pet_av ) THEN
1842	!
1843	!-- Estimate local physiologically equivalent temperature
1844	CALL calculate_pet_static( ta, vp, ws, tmrt_ij, pair, pet_ij )
1845	ENDIF
1846	ENDIF
1847
1848
1849	IF ( av ) THEN
1850	!
1851	!-- Write results for selected averaged indices
1852	IF ( do_calculate_perct_av ) THEN
1853	perct_av(j, i) = perct_ij
1854	ENDIF
1855	IF ( do_calculate_utci_av ) THEN
1856	utci_av(j, i) = utci_ij
1857	ENDIF
1858	IF ( do_calculate_pet_av ) THEN
1859	pet_av(j, i) = pet_ij
1860	ENDIF
1861	ELSE
1862	!
1863	!-- Write result for selected indices
1864	IF ( do_calculate_perct ) THEN
1865	perct(j, i) = perct_ij
1866	ENDIF
1867	IF ( do_calculate_utci ) THEN
1868	utci(j, i) = utci_ij
1869	ENDIF
1870	IF ( do_calculate_pet ) THEN
1871	pet(j, i) = pet_ij
1872	ENDIF
1873	ENDIF
1874
1875	ENDDO
1876	ENDDO
1877	ENDIF
1878
1879	END SUBROUTINE bio_calculate_thermal_index_maps
1880
1881	!--------------------------------------------------------------------------------------------------!
1882	! Description:
1883	! ------------
1884	!> Calculate dynamic thermal indices (currently only iPT, but expandable)
1885	!--------------------------------------------------------------------------------------------------!
1886	SUBROUTINE bio_calc_ipt( ta, vp, ws, pair, tmrt, dt, energy_storage, t_clo, clo, actlev, age, &
1887	weight, height, work, sex, ipt )
1888
1889	IMPLICIT NONE
1890	!
1891	!-- Input parameters
1892	INTEGER(iwp), INTENT ( IN ) :: sex !< Sex of agent (1 = male, 2 = female)
1893
1894	REAL(wp), INTENT ( IN ) :: age !< Age of agent (y)
1895	REAL(wp), INTENT ( IN ) :: dt !< Time past SINce last calculation (s)
1896	REAL(wp), INTENT ( IN ) :: height !< Height of agent (m)
1897	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
1898	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
1899	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
1900	REAL(wp), INTENT ( IN ) :: vp !< Vapour pressure (hPa)
1901	REAL(wp), INTENT ( IN ) :: weight !< Weight of agent (Kg)
1902	REAL(wp), INTENT ( IN ) :: work !< Mechanical workload of agent (without metabolism!) (W)
1903	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (local level) (m/s)
1904
1905	!
1906	!-- Both, input and output parameters
1907	Real(wp), INTENT ( INOUT ) :: actlev !< Individuals activity level
1908	!< per unit surface area (W/mÂ²)
1909	Real(wp), INTENT ( INOUT ) :: clo !< Current clothing in sulation
1910	Real(wp), INTENT ( INOUT ) :: energy_storage !< Energy storage (W/mÂ²)
1911	Real(wp), INTENT ( INOUT ) :: t_clo !< Clothing temperature (degree_C)
1912	!
1913	!-- Output parameters
1914	REAL(wp), INTENT ( OUT ) :: ipt !< Instationary perceived temp. (degree_C)
1915	!
1916	!-- Return immediatelly if nothing to do!
1917	IF ( .NOT. thermal_comfort ) THEN
1918	RETURN
1919	ENDIF
1920	!
1921	!-- If clo equals the initial value, this is the initial call
1922	IF ( clo <= -998.0_wp ) THEN
1923	!
1924	!-- Initialize instationary perceived temperature with personalized PT as an initial guess, set
1925	!-- actlev and clo
1926	CALL ipt_init( age, weight, height, sex, work, actlev, clo, ta, vp, ws, tmrt, pair, dt, &
1927	energy_storage, t_clo, ipt )
1928	ELSE
1929	!
1930	!-- Estimate local instatinoary perceived temperature
1931	CALL ipt_cycle ( ta, vp, ws, tmrt, pair, dt, energy_storage, t_clo, clo, actlev, work, ipt )
1932	ENDIF
1933
1934	END SUBROUTINE bio_calc_ipt
1935
1936
1937
1938	!--------------------------------------------------------------------------------------------------!
1939	! Description:
1940	! ------------
1941	!> SUBROUTINE for calculating UTCI Temperature (UTCI)
1942	!> computed by a 6th order approximation
1943	!>
1944	!> UTCI regression equation according to
1945	!> BrÃ¶de P, Fiala D, Blazejczyk K, HolmÃ©r I, Jendritzky G, Kampmann B, Tinz B, Havenith G (2012)
1946	!> Deriving the operational procedure for the Universal Thermal Climate Index (UTCI). International
1947	!> Journal of Biometeorology 56 (3):481-494. doi:10.1007/s00484-011-0454-1
1948	!>
1949	!> original source available at:
1950	!> www.utci.org
1951	!--------------------------------------------------------------------------------------------------!
1952	SUBROUTINE calculate_utci_static( ta_in, vp, ws_hag, tmrt, hag, utci_ij )
1953
1954	IMPLICIT NONE
1955	!
1956	!-- Type of input of the argument list
1957	REAL(WP), INTENT ( IN ) :: hag !< Height of wind speed input (m)
1958	REAL(WP), INTENT ( IN ) :: ta_in !< Local air temperature (degree_C)
1959	REAL(WP), INTENT ( IN ) :: tmrt !< Local mean radiant temperature (degree_C)
1960	REAL(WP), INTENT ( IN ) :: vp !< Loacl vapour pressure (hPa)
1961	REAL(WP), INTENT ( IN ) :: ws_hag !< Incident wind speed (m/s)
1962	!
1963	!-- Type of output of the argument list
1964	REAL(WP) :: d_tmrt !< delta-tmrt (degree_C)
1965	REAL(WP) :: d_tmrt2 !< 2 times d_tmrt
1966	REAL(WP) :: d_tmrt3 !< 3 times d_tmrt
1967	REAL(WP) :: d_tmrt4 !< 4 times d_tmrt
1968	REAL(WP) :: d_tmrt5 !< 5 times d_tmrt
1969	REAL(WP) :: d_tmrt6 !< 6 times d_tmrt
1970	REAL(WP) :: offset !< utci deviation by ta cond. exceeded (degree_C)
1971	REAL(WP) :: pa !< air pressure in kPa (kPa)
1972	REAL(WP) :: pa2 !< 2 times pa
1973	REAL(WP) :: pa3 !< 3 times pa
1974	REAL(WP) :: pa4 !< 4 times pa
1975	REAL(WP) :: pa5 !< 5 times pa
1976	REAL(WP) :: pa6 !< 6 times pa
1977	REAL(WP) :: part_d_tmrt !< Mean radiant temp. related part of the reg.
1978	REAL(WP) :: part_pa !< Air pressure related part of the regression
1979	REAL(WP) :: part_pa2 !< Air pressure^2 related part of the regression
1980	REAL(WP) :: part_pa3 !< Air pressure^3 related part of the regression
1981	REAL(WP) :: part_pa46 !< Air pressure^4-6 related part of the regression
1982	REAL(WP) :: part_ta !< Air temperature related part of the regression
1983	REAL(WP) :: part_va !< Vapour pressure related part of the regression
1984	REAL(WP) :: ta !< air temperature modified by offset (degree_C)
1985	REAL(WP) :: ta2 !< 2 times ta
1986	REAL(WP) :: ta3 !< 3 times ta
1987	REAL(WP) :: ta4 !< 4 times ta
1988	REAL(WP) :: ta5 !< 5 times ta
1989	REAL(WP) :: ta6 !< 6 times ta
1990	REAL(WP) :: va !< wind speed at 10 m above ground level (m/s)
1991	REAL(WP) :: va2 !< 2 times va
1992	REAL(WP) :: va3 !< 3 times va
1993	REAL(WP) :: va4 !< 4 times va
1994	REAL(WP) :: va5 !< 5 times va
1995	REAL(WP) :: va6 !< 6 times va
1996
1997
1998	REAL(wp), INTENT ( OUT ) :: utci_ij !< Universal Thermal Climate Index (degree_C)
1999
2000	!
2001	!-- Initialize
2002	offset = 0.0_wp
2003	ta = ta_in
2004	d_tmrt = tmrt - ta_in
2005	!
2006	!-- Use vapour pressure in kpa
2007	pa = vp / 10.0_wp
2008	!
2009	!-- Wind altitude correction from hag to 10m after Broede et al. (2012), eq.3
2010	!-- z(0) is set to 0.01 according to UTCI profile definition
2011	va = ws_hag * log ( 10.0_wp / 0.01_wp ) / log ( hag / 0.01_wp )
2012	!
2013	!-- Check if input values in range after Broede et al. (2012)
2014	IF ( ( d_tmrt > 70.0_wp ) .OR. ( d_tmrt < -30.0_wp ) .OR. ( vp >= 50.0_wp ) ) THEN
2015	utci_ij = bio_fill_value
2016	RETURN
2017	ENDIF
2018	!
2019	!-- Apply eq. 2 in Broede et al. (2012) for ta out of bounds
2020	IF ( ta > 50.0_wp ) THEN
2021	offset = ta - 50.0_wp
2022	ta = 50.0_wp
2023	ENDIF
2024	IF ( ta < -50.0_wp ) THEN
2025	offset = ta + 50.0_wp
2026	ta = -50.0_wp
2027	ENDIF
2028	!
2029	!-- For routine application. For wind speeds and relative humidity values below 0.5 m/s or 5%,
2030	!-- respectively, the user is advised to use the lower bounds for the calculations.
2031	IF ( va < 0.5_wp ) va = 0.5_wp
2032	IF ( va > 17.0_wp ) va = 17.0_wp
2033
2034	!
2035	!-- Pre-calculate multiples of input parameters to save time later
2036	ta2 = ta * ta
2037	ta3 = ta2 * ta
2038	ta4 = ta3 * ta
2039	ta5 = ta4 * ta
2040	ta6 = ta5 * ta
2041
2042	va2 = va * va
2043	va3 = va2 * va
2044	va4 = va3 * va
2045	va5 = va4 * va
2046	va6 = va5 * va
2047
2048	d_tmrt2 = d_tmrt * d_tmrt
2049	d_tmrt3 = d_tmrt2 * d_tmrt
2050	d_tmrt4 = d_tmrt3 * d_tmrt
2051	d_tmrt5 = d_tmrt4 * d_tmrt
2052	d_tmrt6 = d_tmrt5 * d_tmrt
2053
2054	pa2 = pa * pa
2055	pa3 = pa2 * pa
2056	pa4 = pa3 * pa
2057	pa5 = pa4 * pa
2058	pa6 = pa5 * pa
2059
2060	!
2061	!-- Pre-calculate parts of the regression equation
2062	part_ta = ( 6.07562052e-01_wp ) + &
2063	( -2.27712343e-02_wp ) * ta + &
2064	( 8.06470249e-04_wp ) * ta2 + &
2065	( -1.54271372e-04_wp ) * ta3 + &
2066	( -3.24651735e-06_wp ) * ta4 + &
2067	( 7.32602852e-08_wp ) * ta5 + &
2068	( 1.35959073e-09_wp ) * ta6
2069
2070	part_va = ( -2.25836520e+00_wp ) * va + &
2071	( 8.80326035e-02_wp ) * ta * va + &
2072	( 2.16844454e-03_wp ) * ta2 * va + &
2073	( -1.53347087e-05_wp ) * ta3 * va + &
2074	( -5.72983704e-07_wp ) * ta4 * va + &
2075	( -2.55090145e-09_wp ) * ta5 * va + &
2076	( -7.51269505e-01_wp ) * va2 + &
2077	( -4.08350271e-03_wp ) * ta * va2 + &
2078	( -5.21670675e-05_wp ) * ta2 * va2 + &
2079	( 1.94544667e-06_wp ) * ta3 * va2 + &
2080	( 1.14099531e-08_wp ) * ta4 * va2 + &
2081	( 1.58137256e-01_wp ) * va3 + &
2082	( -6.57263143e-05_wp ) * ta * va3 + &
2083	( 2.22697524e-07_wp ) * ta2 * va3 + &
2084	( -4.16117031e-08_wp ) * ta3 * va3 + &
2085	( -1.27762753e-02_wp ) * va4 + &
2086	( 9.66891875e-06_wp ) * ta * va4 + &
2087	( 2.52785852e-09_wp ) * ta2 * va4 + &
2088	( 4.56306672e-04_wp ) * va5 + &
2089	( -1.74202546e-07_wp ) * ta * va5 + &
2090	( -5.91491269e-06_wp ) * va6
2091
2092	part_d_tmrt = ( 3.98374029e-01_wp ) * d_tmrt + &
2093	( 1.83945314e-04_wp ) * ta * d_tmrt + &
2094	( -1.73754510e-04_wp ) * ta2 * d_tmrt + &
2095	( -7.60781159e-07_wp ) * ta3 * d_tmrt + &
2096	( 3.77830287e-08_wp ) * ta4 * d_tmrt + &
2097	( 5.43079673e-10_wp ) * ta5 * d_tmrt + &
2098	( -2.00518269e-02_wp ) * va * d_tmrt + &
2099	( 8.92859837e-04_wp ) * ta * va * d_tmrt + &
2100	( 3.45433048e-06_wp ) * ta2 * va * d_tmrt + &
2101	( -3.77925774e-07_wp ) * ta3 * va * d_tmrt + &
2102	( -1.69699377e-09_wp ) * ta4 * va * d_tmrt + &
2103	( 1.69992415e-04_wp ) * va2 * d_tmrt + &
2104	( -4.99204314e-05_wp ) * ta * va2 * d_tmrt + &
2105	( 2.47417178e-07_wp ) * ta2 * va2 * d_tmrt + &
2106	( 1.07596466e-08_wp ) * ta3 * va2 * d_tmrt + &
2107	( 8.49242932e-05_wp ) * va3 * d_tmrt + &
2108	( 1.35191328e-06_wp ) * ta * va3 * d_tmrt + &
2109	( -6.21531254e-09_wp ) * ta2 * va3 * d_tmrt + &
2110	( -4.99410301e-06_wp ) * va4 * d_tmrt + &
2111	( -1.89489258e-08_wp ) * ta * va4 * d_tmrt + &
2112	( 8.15300114e-08_wp ) * va5 * d_tmrt + &
2113	( 7.55043090e-04_wp ) * d_tmrt2 + &
2114	( -5.65095215e-05_wp ) * ta * d_tmrt2 + &
2115	( -4.52166564e-07_wp ) * ta2 * d_tmrt2 + &
2116	( 2.46688878e-08_wp ) * ta3 * d_tmrt2 + &
2117	( 2.42674348e-10_wp ) * ta4 * d_tmrt2 + &
2118	( 1.54547250e-04_wp ) * va * d_tmrt2 + &
2119	( 5.24110970e-06_wp ) * ta * va * d_tmrt2 + &
2120	( -8.75874982e-08_wp ) * ta2 * va * d_tmrt2 + &
2121	( -1.50743064e-09_wp ) * ta3 * va * d_tmrt2 + &
2122	( -1.56236307e-05_wp ) * va2 * d_tmrt2 + &
2123	( -1.33895614e-07_wp ) * ta * va2 * d_tmrt2 + &
2124	( 2.49709824e-09_wp ) * ta2 * va2 * d_tmrt2 + &
2125	( 6.51711721e-07_wp ) * va3 * d_tmrt2 + &
2126	( 1.94960053e-09_wp ) * ta * va3 * d_tmrt2 + &
2127	( -1.00361113e-08_wp ) * va4 * d_tmrt2 + &
2128	( -1.21206673e-05_wp ) * d_tmrt3 + &
2129	( -2.18203660e-07_wp ) * ta * d_tmrt3 + &
2130	( 7.51269482e-09_wp ) * ta2 * d_tmrt3 + &
2131	( 9.79063848e-11_wp ) * ta3 * d_tmrt3 + &
2132	( 1.25006734e-06_wp ) * va * d_tmrt3 + &
2133	( -1.81584736e-09_wp ) * ta * va * d_tmrt3 + &
2134	( -3.52197671e-10_wp ) * ta2 * va * d_tmrt3 + &
2135	( -3.36514630e-08_wp ) * va2 * d_tmrt3 + &
2136	( 1.35908359e-10_wp ) * ta * va2 * d_tmrt3 + &
2137	( 4.17032620e-10_wp ) * va3 * d_tmrt3 + &
2138	( -1.30369025e-09_wp ) * d_tmrt4 + &
2139	( 4.13908461e-10_wp ) * ta * d_tmrt4 + &
2140	( 9.22652254e-12_wp ) * ta2 * d_tmrt4 + &
2141	( -5.08220384e-09_wp ) * va * d_tmrt4 + &
2142	( -2.24730961e-11_wp ) * ta * va * d_tmrt4 + &
2143	( 1.17139133e-10_wp ) * va2 * d_tmrt4 + &
2144	( 6.62154879e-10_wp ) * d_tmrt5 + &
2145	( 4.03863260e-13_wp ) * ta * d_tmrt5 + &
2146	( 1.95087203e-12_wp ) * va * d_tmrt5 + &
2147	( -4.73602469e-12_wp ) * d_tmrt6
2148
2149	part_pa = ( 5.12733497e+00_wp ) * pa + &
2150	( -3.12788561e-01_wp ) * ta * pa + &
2151	( -1.96701861e-02_wp ) * ta2 * pa + &
2152	( 9.99690870e-04_wp ) * ta3 * pa + &
2153	( 9.51738512e-06_wp ) * ta4 * pa + &
2154	( -4.66426341e-07_wp ) * ta5 * pa + &
2155	( 5.48050612e-01_wp ) * va * pa + &
2156	( -3.30552823e-03_wp ) * ta * va * pa + &
2157	( -1.64119440e-03_wp ) * ta2 * va * pa + &
2158	( -5.16670694e-06_wp ) * ta3 * va * pa + &
2159	( 9.52692432e-07_wp ) * ta4 * va * pa + &
2160	( -4.29223622e-02_wp ) * va2 * pa + &
2161	( 5.00845667e-03_wp ) * ta * va2 * pa + &
2162	( 1.00601257e-06_wp ) * ta2 * va2 * pa + &
2163	( -1.81748644e-06_wp ) * ta3 * va2 * pa + &
2164	( -1.25813502e-03_wp ) * va3 * pa + &
2165	( -1.79330391e-04_wp ) * ta * va3 * pa + &
2166	( 2.34994441e-06_wp ) * ta2 * va3 * pa + &
2167	( 1.29735808e-04_wp ) * va4 * pa + &
2168	( 1.29064870e-06_wp ) * ta * va4 * pa + &
2169	( -2.28558686e-06_wp ) * va5 * pa + &
2170	( -3.69476348e-02_wp ) * d_tmrt * pa + &
2171	( 1.62325322e-03_wp ) * ta * d_tmrt * pa + &
2172	( -3.14279680e-05_wp ) * ta2 * d_tmrt * pa + &
2173	( 2.59835559e-06_wp ) * ta3 * d_tmrt * pa + &
2174	( -4.77136523e-08_wp ) * ta4 * d_tmrt * pa + &
2175	( 8.64203390e-03_wp ) * va * d_tmrt * pa + &
2176	( -6.87405181e-04_wp ) * ta * va * d_tmrt * pa + &
2177	( -9.13863872e-06_wp ) * ta2 * va * d_tmrt * pa + &
2178	( 5.15916806e-07_wp ) * ta3 * va * d_tmrt * pa + &
2179	( -3.59217476e-05_wp ) * va2 * d_tmrt * pa + &
2180	( 3.28696511e-05_wp ) * ta * va2 * d_tmrt * pa + &
2181	( -7.10542454e-07_wp ) * ta2 * va2 * d_tmrt * pa + &
2182	( -1.24382300e-05_wp ) * va3 * d_tmrt * pa + &
2183	( -7.38584400e-09_wp ) * ta * va3 * d_tmrt * pa + &
2184	( 2.20609296e-07_wp ) * va4 * d_tmrt * pa + &
2185	( -7.32469180e-04_wp ) * d_tmrt2 * pa + &
2186	( -1.87381964e-05_wp ) * ta * d_tmrt2 * pa + &
2187	( 4.80925239e-06_wp ) * ta2 * d_tmrt2 * pa + &
2188	( -8.75492040e-08_wp ) * ta3 * d_tmrt2 * pa + &
2189	( 2.77862930e-05_wp ) * va * d_tmrt2 * pa + &
2190	( -5.06004592e-06_wp ) * ta * va * d_tmrt2 * pa + &
2191	( 1.14325367e-07_wp ) * ta2 * va * d_tmrt2 * pa + &
2192	( 2.53016723e-06_wp ) * va2 * d_tmrt2 * pa + &
2193	( -1.72857035e-08_wp ) * ta * va2 * d_tmrt2 * pa + &
2194	( -3.95079398e-08_wp ) * va3 * d_tmrt2 * pa + &
2195	( -3.59413173e-07_wp ) * d_tmrt3 * pa + &
2196	( 7.04388046e-07_wp ) * ta * d_tmrt3 * pa + &
2197	( -1.89309167e-08_wp ) * ta2 * d_tmrt3 * pa + &
2198	( -4.79768731e-07_wp ) * va * d_tmrt3 * pa + &
2199	( 7.96079978e-09_wp ) * ta * va * d_tmrt3 * pa + &
2200	( 1.62897058e-09_wp ) * va2 * d_tmrt3 * pa + &
2201	( 3.94367674e-08_wp ) * d_tmrt4 * pa + &
2202	( -1.18566247e-09_wp ) * ta * d_tmrt4 * pa + &
2203	( 3.34678041e-10_wp ) * va * d_tmrt4 * pa + &
2204	( -1.15606447e-10_wp ) * d_tmrt5 * pa
2205
2206	part_pa2 = ( -2.80626406e+00_wp ) * pa2 + &
2207	( 5.48712484e-01_wp ) * ta * pa2 + &
2208	( -3.99428410e-03_wp ) * ta2 * pa2 + &
2209	( -9.54009191e-04_wp ) * ta3 * pa2 + &
2210	( 1.93090978e-05_wp ) * ta4 * pa2 + &
2211	( -3.08806365e-01_wp ) * va * pa2 + &
2212	( 1.16952364e-02_wp ) * ta * va * pa2 + &
2213	( 4.95271903e-04_wp ) * ta2 * va * pa2 + &
2214	( -1.90710882e-05_wp ) * ta3 * va * pa2 + &
2215	( 2.10787756e-03_wp ) * va2 * pa2 + &
2216	( -6.98445738e-04_wp ) * ta * va2 * pa2 + &
2217	( 2.30109073e-05_wp ) * ta2 * va2 * pa2 + &
2218	( 4.17856590e-04_wp ) * va3 * pa2 + &
2219	( -1.27043871e-05_wp ) * ta * va3 * pa2 + &
2220	( -3.04620472e-06_wp ) * va4 * pa2 + &
2221	( 5.14507424e-02_wp ) * d_tmrt * pa2 + &
2222	( -4.32510997e-03_wp ) * ta * d_tmrt * pa2 + &
2223	( 8.99281156e-05_wp ) * ta2 * d_tmrt * pa2 + &
2224	( -7.14663943e-07_wp ) * ta3 * d_tmrt * pa2 + &
2225	( -2.66016305e-04_wp ) * va * d_tmrt * pa2 + &
2226	( 2.63789586e-04_wp ) * ta * va * d_tmrt * pa2 + &
2227	( -7.01199003e-06_wp ) * ta2 * va * d_tmrt * pa2 + &
2228	( -1.06823306e-04_wp ) * va2 * d_tmrt * pa2 + &
2229	( 3.61341136e-06_wp ) * ta * va2 * d_tmrt * pa2 + &
2230	( 2.29748967e-07_wp ) * va3 * d_tmrt * pa2 + &
2231	( 3.04788893e-04_wp ) * d_tmrt2 * pa2 + &
2232	( -6.42070836e-05_wp ) * ta * d_tmrt2 * pa2 + &
2233	( 1.16257971e-06_wp ) * ta2 * d_tmrt2 * pa2 + &
2234	( 7.68023384e-06_wp ) * va * d_tmrt2 * pa2 + &
2235	( -5.47446896e-07_wp ) * ta * va * d_tmrt2 * pa2 + &
2236	( -3.59937910e-08_wp ) * va2 * d_tmrt2 * pa2 + &
2237	( -4.36497725e-06_wp ) * d_tmrt3 * pa2 + &
2238	( 1.68737969e-07_wp ) * ta * d_tmrt3 * pa2 + &
2239	( 2.67489271e-08_wp ) * va * d_tmrt3 * pa2 + &
2240	( 3.23926897e-09_wp ) * d_tmrt4 * pa2
2241
2242	part_pa3 = ( -3.53874123e-02_wp ) * pa3 + &
2243	( -2.21201190e-01_wp ) * ta * pa3 + &
2244	( 1.55126038e-02_wp ) * ta2 * pa3 + &
2245	( -2.63917279e-04_wp ) * ta3 * pa3 + &
2246	( 4.53433455e-02_wp ) * va * pa3 + &
2247	( -4.32943862e-03_wp ) * ta * va * pa3 + &
2248	( 1.45389826e-04_wp ) * ta2 * va * pa3 + &
2249	( 2.17508610e-04_wp ) * va2 * pa3 + &
2250	( -6.66724702e-05_wp ) * ta * va2 * pa3 + &
2251	( 3.33217140e-05_wp ) * va3 * pa3 + &
2252	( -2.26921615e-03_wp ) * d_tmrt * pa3 + &
2253	( 3.80261982e-04_wp ) * ta * d_tmrt * pa3 + &
2254	( -5.45314314e-09_wp ) * ta2 * d_tmrt * pa3 + &
2255	( -7.96355448e-04_wp ) * va * d_tmrt * pa3 + &
2256	( 2.53458034e-05_wp ) * ta * va * d_tmrt * pa3 + &
2257	( -6.31223658e-06_wp ) * va2 * d_tmrt * pa3 + &
2258	( 3.02122035e-04_wp ) * d_tmrt2 * pa3 + &
2259	( -4.77403547e-06_wp ) * ta * d_tmrt2 * pa3 + &
2260	( 1.73825715e-06_wp ) * va * d_tmrt2 * pa3 + &
2261	( -4.09087898e-07_wp ) * d_tmrt3 * pa3
2262
2263	part_pa46 = ( 6.14155345e-01_wp ) * pa4 + &
2264	( -6.16755931e-02_wp ) * ta * pa4 + &
2265	( 1.33374846e-03_wp ) * ta2 * pa4 + &
2266	( 3.55375387e-03_wp ) * va * pa4 + &
2267	( -5.13027851e-04_wp ) * ta * va * pa4 + &
2268	( 1.02449757e-04_wp ) * va2 * pa4 + &
2269	( -1.48526421e-03_wp ) * d_tmrt * pa4 + &
2270	( -4.11469183e-05_wp ) * ta * d_tmrt * pa4 + &
2271	( -6.80434415e-06_wp ) * va * d_tmrt * pa4 + &
2272	( -9.77675906e-06_wp ) * d_tmrt2 * pa4 + &
2273	( 8.82773108e-02_wp ) * pa5 + &
2274	( -3.01859306e-03_wp ) * ta * pa5 + &
2275	( 1.04452989e-03_wp ) * va * pa5 + &
2276	( 2.47090539e-04_wp ) * d_tmrt * pa5 + &
2277	( 1.48348065e-03_wp ) * pa6
2278	!
2279	!-- Calculate 6th order polynomial as approximation
2280	utci_ij = ta + part_ta + part_va + part_d_tmrt + part_pa + part_pa2 + part_pa3 + part_pa46
2281	!
2282	!-- Consider offset in result
2283	utci_ij = utci_ij + offset
2284
2285	END SUBROUTINE calculate_utci_static
2286
2287
2288
2289
2290	!--------------------------------------------------------------------------------------------------!
2291	! Description:
2292	! ------------
2293	!> Calculate_perct_static: Estimation of perceived temperature (PT, degree_C)
2294	!> Value of perct is the Perceived Temperature, degree centigrade
2295	!--------------------------------------------------------------------------------------------------!
2296	SUBROUTINE calculate_perct_static( ta, vp, ws, tmrt, pair, clo, perct_ij )
2297
2298	IMPLICIT NONE
2299	!
2300	!-- Type of input of the argument list
2301	REAL(wp), INTENT ( IN ) :: pair !< Local barometric air pressure (hPa)
2302	REAL(wp), INTENT ( IN ) :: ta !< Local air temperature (degC)
2303	REAL(wp), INTENT ( IN ) :: tmrt !< Local mean radiant temperature (degC)
2304	REAL(wp), INTENT ( IN ) :: vp !< Local vapour pressure (hPa)
2305	REAL(wp), INTENT ( IN ) :: ws !< Local wind velocitry (m/s)
2306	!
2307	!-- Type of output of the argument list
2308	REAL(wp), INTENT ( OUT ) :: clo !< Clothing index (dimensionless)
2309	REAL(wp), INTENT ( OUT ) :: perct_ij !< Perceived temperature (degC)
2310	!
2311	!-- Parameters for standard "Klima-Michel"
2312	REAL(wp), PARAMETER :: actlev = 134.6862_wp !< Workload by activity per standardized surface (A_Du)
2313	REAL(wp), PARAMETER :: eta = 0.0_wp !< Mechanical work efficiency for walking on flat
2314	!< ground (compare to Fanger (1972) pp 24f)
2315	!
2316	!-- Type of program variables
2317	REAL(wp), PARAMETER :: eps = 0.0005 !< Accuracy in clothing insulation (clo) for evaluation the root of Fanger's PMV (pmva=0)
2318
2319	INTEGER(iwp) :: ncount !< running index
2320	INTEGER(iwp) :: nerr_cold !< error number (cold conditions)
2321	INTEGER(iwp) :: nerr !< error number
2322
2323	LOGICAL :: sultrieness
2324
2325	REAL(wp) :: clon !< clo for neutral conditions (clo)
2326	REAL(wp) :: d_pmv !< PMV deviation (dimensionless --> PMV)
2327	REAL(wp) :: dgtcm !< Mean deviation dependent on perct
2328	REAL(wp) :: dgtcstd !< Mean deviation plus its standard deviation
2329	REAL(wp) :: d_std !< factor to threshold for sultriness
2330	REAL(wp) :: ireq_minimal !< Minimal required clothing insulation (clo)
2331	REAL(wp) :: pmv_s !< Fangers predicted mean vote for summer clothing
2332	REAL(wp) :: pmv_w !< Fangers predicted mean vote for winter clothing
2333	REAL(wp) :: pmva !< adjusted predicted mean vote
2334	REAL(wp) :: pmvs !< pred. mean vote considering sultrieness
2335	REAL(wp) :: ptc !< perceived temp. for cold conditions (degree_C)
2336	REAL(wp) :: sclo !< summer clothing insulation
2337	REAL(wp) :: svp_ta !< saturation vapor pressure (hPa)
2338	REAL(wp) :: sult_lim !< threshold for sultrieness (hPa)
2339	REAL(wp) :: wclo !< winter clothing insulation
2340
2341	!
2342	!-- Initialise
2343	perct_ij = bio_fill_value
2344
2345	nerr = 0_iwp
2346	ncount = 0_iwp
2347	sultrieness = .FALSE.
2348	!
2349	!-- Tresholds: clothing insulation (account for model inaccuracies)
2350	!-- Summer clothing
2351	sclo = 0.44453_wp
2352	!
2353	!-- Winter clothing
2354	wclo = 1.76267_wp
2355	!
2356	!-- Eecision: first calculate for winter or summer clothing
2357	IF ( ta <= 10.0_wp ) THEN
2358	!
2359	!-- First guess: winter clothing insulation: cold stress
2360	clo = wclo
2361	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2362	pmv_w = pmva
2363
2364	IF ( pmva > 0.0_wp ) THEN
2365	!
2366	!-- Case summer clothing insulation: heat load ?
2367	clo = sclo
2368	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2369	pmv_s = pmva
2370	IF ( pmva <= 0.0_wp ) THEN
2371	!
2372	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
2373	!-- values
2374	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
2375	pmva, ncount, clo )
2376	IF ( ncount < 0_iwp ) THEN
2377	nerr = -1_iwp
2378	RETURN
2379	ENDIF
2380	ELSE IF ( pmva > 0.06_wp ) THEN
2381	clo = 0.5_wp
2382	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2383	ENDIF
2384	ELSE IF ( pmva < - 0.11_wp ) THEN
2385	clo = 1.75_wp
2386	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2387	ENDIF
2388	ELSE
2389	!
2390	!-- First guess: summer clothing insulation: heat load
2391	clo = sclo
2392	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2393	pmv_s = pmva
2394
2395	IF ( pmva < 0.0_wp ) THEN
2396	!
2397	!-- Case winter clothing insulation: cold stress ?
2398	clo = wclo
2399	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2400	pmv_w = pmva
2401
2402	IF ( pmva >= 0.0_wp ) THEN
2403	!
2404	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
2405	!-- values
2406	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
2407	pmva, ncount, clo )
2408	IF ( ncount < 0_iwp ) THEN
2409	nerr = -1_iwp
2410	RETURN
2411	ENDIF
2412	ELSE IF ( pmva < - 0.11_wp ) THEN
2413	clo = 1.75_wp
2414	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2415	ENDIF
2416	ELSE IF ( pmva > 0.06_wp ) THEN
2417	clo = 0.5_wp
2418	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2419	ENDIF
2420
2421	ENDIF
2422	!
2423	!-- Determine perceived temperature by regression equation + adjustments
2424	pmvs = pmva
2425	CALL perct_regression( pmva, clo, perct_ij )
2426	ptc = perct_ij
2427	IF ( clo >= 1.75_wp .AND. pmva <= - 0.11_wp ) THEN
2428	!
2429	!-- Adjust for cold conditions according to Gagge 1986
2430	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
2431	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
2432	pmvs = pmva - d_pmv
2433	IF ( pmvs > - 0.11_wp ) THEN
2434	d_pmv = 0.0_wp
2435	pmvs = - 0.11_wp
2436	ENDIF
2437	CALL perct_regression( pmvs, clo, perct_ij )
2438	ENDIF
2439	! clo_fanger = clo
2440	clon = clo
2441	IF ( clo > 0.5_wp .AND. perct_ij <= 8.73_wp ) THEN
2442	!
2443	!-- Required clothing insulation (ireq) is exclusively defined for perceived temperatures (perct)
2444	!-- less 10 (C) for a reference wind of 0.2 m/s according to 8.73 (C) for 0.1 m/s.
2445	clon = ireq_neutral ( perct_ij, ireq_minimal, nerr )
2446	clo = clon
2447	ENDIF
2448	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
2449	sultrieness = .FALSE.
2450	d_std = -99.0_wp
2451	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
2452	!
2453	!-- Adjust for warm/humid conditions according to Gagge 1986
2454	CALL saturation_vapor_pressure ( ta, svp_ta )
2455	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
2456	pmvs = pmva + d_pmv
2457	CALL perct_regression( pmvs, clo, perct_ij )
2458	IF ( sult_lim < 99.0_wp ) THEN
2459	IF ( (perct_ij - ptc) > sult_lim ) sultrieness = .TRUE.
2460	!
2461	!-- Set factor to threshold for sultriness
2462	IF ( ABS( dgtcstd ) > 0.00001_wp ) THEN
2463	d_std = ( ( perct_ij - ptc ) - dgtcm ) / dgtcstd
2464	ENDIF
2465	ENDIF
2466	ENDIF
2467
2468	END SUBROUTINE calculate_perct_static
2469
2470	!--------------------------------------------------------------------------------------------------!
2471	! Description:
2472	! ------------
2473	!> The SUBROUTINE calculates the (saturation) water vapour pressure (hPa = hecto Pascal) for a given
2474	!> temperature ta (degC).
2475	!>'ta' can be the air temperature or the dew point temperature. The first will result in the current
2476	!> vapor pressure (hPa), the latter will calulate the saturation vapor pressure (hPa).
2477	!--------------------------------------------------------------------------------------------------!
2478	SUBROUTINE saturation_vapor_pressure( ta, svp_ta )
2479
2480	IMPLICIT NONE
2481
2482	REAL(wp), INTENT ( IN ) :: ta !< ambient air temperature (degC)
2483	REAL(wp), INTENT ( OUT ) :: svp_ta !< water vapour pressure (hPa)
2484
2485	REAL(wp) :: b
2486	REAL(wp) :: c
2487
2488
2489	IF ( ta < 0.0_wp ) THEN
2490	!
2491	!-- ta < 0 (degC): water vapour pressure over ice
2492	b = 17.84362_wp
2493	c = 245.425_wp
2494	ELSE
2495	!
2496	!-- ta >= 0 (degC): water vapour pressure over water
2497	b = 17.08085_wp
2498	c = 234.175_wp
2499	ENDIF
2500	!
2501	!-- Saturation water vapour pressure
2502	svp_ta = 6.1078_wp * EXP( b * ta / ( c + ta ) )
2503
2504	END SUBROUTINE saturation_vapor_pressure
2505
2506	!--------------------------------------------------------------------------------------------------!
2507	! Description:
2508	! ------------
2509	!> Find the clothing insulation value clo_res (clo) to make Fanger's Predicted Mean Vote (PMV) equal
2510	!> comfort (pmva=0) for actual meteorological conditions (ta,tmrt, vp, ws, pair) and values of
2511	!> individual's activity level.
2512	!--------------------------------------------------------------------------------------------------!
2513	SUBROUTINE iso_ridder( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, pmva, &
2514	nerr, clo_res )
2515
2516	IMPLICIT NONE
2517	!
2518	!-- Input variables of argument list:
2519	REAL(wp), INTENT ( IN ) :: actlev !< Individuals activity level per unit surface area (W/m2)
2520	REAL(wp), INTENT ( IN ) :: eps !< (0.05) accuracy in clothing insulation (clo) for evaluation the root of Fanger's PMV (pmva=0)
2521	REAL(wp), INTENT ( IN ) :: eta !< Individuals work efficiency (dimensionless)
2522	REAL(wp), INTENT ( IN ) :: pair !< Barometric air pressure (hPa)
2523	REAL(wp), INTENT ( IN ) :: pmv_s !< Fanger's PMV corresponding to sclo
2524	REAL(wp), INTENT ( IN ) :: pmv_w !< Fanger's PMV corresponding to wclo
2525	REAL(wp), INTENT ( IN ) :: sclo !< Lower threshold of bracketing clothing insulation (clo)
2526	REAL(wp), INTENT ( IN ) :: ta !< Ambient temperature (degC)
2527	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
2528	REAL(wp), INTENT ( IN ) :: vp !< Water vapour pressure (hPa)
2529	REAL(wp), INTENT ( IN ) :: wclo !< Upper threshold of bracketing clothing insulation (clo)
2530	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s) 1 m above ground
2531	!
2532	!-- Output variables of argument list:
2533	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error status / quality flag
2534	!< nerr >= 0, o.k., and nerr is the number of iterations for convergence
2535	!< nerr = -1: error = malfunction of Ridder's convergence method
2536	!< nerr = -2: error = maximum iterations (max_iteration) exceeded
2537	!< nerr = -3: error = root not bracketed between sclo and wclo
2538
2539	REAL(wp), INTENT ( OUT ) :: clo_res !< Resulting clothing insulation value (clo)
2540	REAL(wp), INTENT ( OUT ) :: pmva !< 0 (set to zero, because clo is evaluated for comfort)
2541	!
2542	!-- Type of program variables
2543	INTEGER(iwp), PARAMETER :: max_iteration = 15_iwp !< max number of iterations
2544
2545	REAL(wp), PARAMETER :: guess_0 = -1.11e30_wp !< initial guess
2546
2547	INTEGER(iwp) :: j !< running index
2548
2549	REAL(wp) :: clo_lower !< lower limit of clothing insulation (clo)
2550	REAL(wp) :: clo_upper !< upper limit of clothing insulation (clo)
2551	REAL(wp) :: sroot !< sqrt of PMV-guess
2552	REAL(wp) :: x_average !< average of x_lower and x_upper (clo)
2553	REAL(wp) :: x_lower !< lower guess for clothing insulation (clo)
2554	REAL(wp) :: x_new !< preliminary result for clothing insulation (clo)
2555	REAL(wp) :: x_ridder !< current guess for clothing insulation (clo)
2556	REAL(wp) :: x_upper !< upper guess for clothing insulation (clo)
2557	REAL(wp) :: y_average !< average of y_lower and y_upper
2558	REAL(wp) :: y_new !< preliminary result for pred. mean vote
2559	REAL(wp) :: y_lower !< predicted mean vote for summer clothing
2560	REAL(wp) :: y_upper !< predicted mean vote for winter clothing
2561	!
2562	!-- Initialise
2563	nerr = 0_iwp
2564	!
2565	!-- Set pmva = 0 (comfort): Root of PMV depending on clothing insulation
2566	x_ridder = bio_fill_value
2567	pmva = 0.0_wp
2568	clo_lower = sclo
2569	y_lower = pmv_s
2570	clo_upper = wclo
2571	y_upper = pmv_w
2572	IF ( ( y_lower > 0.0_wp .AND. y_upper < 0.0_wp ) .OR. &
2573	( y_lower < 0.0_wp .AND. y_upper > 0.0_wp ) ) THEN
2574	x_lower = clo_lower
2575	x_upper = clo_upper
2576	x_ridder = guess_0
2577
2578	DO j = 1_iwp, max_iteration
2579	x_average = 0.5_wp * ( x_lower + x_upper )
2580	CALL fanger ( ta, tmrt, vp, ws, pair, x_average, actlev, eta, y_average )
2581	sroot = SQRT( y_average*2 - y_lower y_upper )
2582	IF ( ABS( sroot ) < 0.00001_wp ) THEN
2583	clo_res = x_average
2584	nerr = j
2585	RETURN
2586	ENDIF
2587	x_new = x_average + ( x_average - x_lower ) * &
2588	( SIGN ( 1.0_wp, y_lower - y_upper ) * y_average / sroot )
2589	IF ( ABS( x_new - x_ridder ) <= eps ) THEN
2590	clo_res = x_ridder
2591	nerr = j
2592	RETURN
2593	ENDIF
2594	x_ridder = x_new
2595	CALL fanger ( ta, tmrt, vp, ws, pair, x_ridder, actlev, eta, y_new )
2596	IF ( ABS( y_new ) < 0.00001_wp ) THEN
2597	clo_res = x_ridder
2598	nerr = j
2599	RETURN
2600	ENDIF
2601	IF ( ABS( SIGN( y_average, y_new ) - y_average ) > 0.00001_wp ) THEN
2602	x_lower = x_average
2603	y_lower = y_average
2604	x_upper = x_ridder
2605	y_upper = y_new
2606	ELSE IF ( ABS( SIGN( y_lower, y_new ) - y_lower ) > 0.00001_wp ) THEN
2607	x_upper = x_ridder
2608	y_upper = y_new
2609	ELSE IF ( ABS( SIGN( y_upper, y_new ) - y_upper ) > 0.00001_wp ) THEN
2610	x_lower = x_ridder
2611	y_lower = y_new
2612	ELSE
2613	!
2614	!-- Never get here in x_ridder: SINgularity in y
2615	nerr = -1_iwp
2616	clo_res = x_ridder
2617	RETURN
2618	ENDIF
2619	IF ( ABS( x_upper - x_lower ) <= eps ) THEN
2620	clo_res = x_ridder
2621	nerr = j
2622	RETURN
2623	ENDIF
2624	ENDDO
2625	!
2626	!-- x_ridder exceed maximum iterations
2627	nerr = -2_iwp
2628	clo_res = y_new
2629	RETURN
2630	ELSE IF ( ABS( y_lower ) < 0.00001_wp ) THEN
2631	x_ridder = clo_lower
2632	ELSE IF ( ABS( y_upper ) < 0.00001_wp ) THEN
2633	x_ridder = clo_upper
2634	ELSE
2635	!
2636	!-- x_ridder not bracketed by u_clo and o_clo
2637	nerr = -3_iwp
2638	clo_res = x_ridder
2639	RETURN
2640	ENDIF
2641
2642	END SUBROUTINE iso_ridder
2643
2644	!--------------------------------------------------------------------------------------------------!
2645	! Description:
2646	! ------------
2647	!> Regression relations between perceived temperature (perct) and (adjusted) PMV. The regression
2648	!> presumes the Klima-Michel settings for reference individual and reference environment.
2649	!--------------------------------------------------------------------------------------------------!
2650	SUBROUTINE perct_regression( pmv, clo, perct_ij )
2651
2652	IMPLICIT NONE
2653
2654	REAL(wp), INTENT ( IN ) :: clo !< clothing insulation index (clo)
2655	REAL(wp), INTENT ( IN ) :: pmv !< Fangers predicted mean vote (dimensionless)
2656
2657	REAL(wp), INTENT ( OUT ) :: perct_ij !< perct (degC) corresponding to given PMV / clo
2658
2659	IF ( pmv <= - 0.11_wp ) THEN
2660	perct_ij = 5.805_wp + 12.6784_wp * pmv
2661	ELSE
2662	IF ( pmv >= + 0.01_wp ) THEN
2663	perct_ij = 16.826_wp + 6.163_wp * pmv
2664	ELSE
2665	perct_ij = 21.258_wp - 9.558_wp * clo
2666	ENDIF
2667	ENDIF
2668
2669	END SUBROUTINE perct_regression
2670
2671	!--------------------------------------------------------------------------------------------------!
2672	! Description:
2673	! ------------
2674	!> FANGER.F90
2675	!>
2676	!> SI-VERSION: ACTLEV W m-2, VAPOUR PRESSURE hPa
2677	!> Calculates the current Predicted Mean Vote according to Fanger.
2678	!> The case of free convection (ws < 0.1 m/s) is dealt with ws = 0.1 m/s
2679	!--------------------------------------------------------------------------------------------------!
2680	SUBROUTINE fanger( ta, tmrt, pa, in_ws, pair, in_clo, actlev, eta, pmva )
2681
2682	IMPLICIT NONE
2683	!
2684	!-- Input variables of argument list:
2685	REAL(wp), INTENT ( IN ) :: actlev !< Individuals activity level per unit surface area (W/m2)
2686	REAL(wp), INTENT ( IN ) :: eta !< Individuals mechanical work efficiency (dimensionless)
2687	REAL(wp), INTENT ( IN ) :: in_clo !< Clothing insulation (clo)
2688	REAL(wp), INTENT ( IN ) :: in_ws !< Wind speed (m/s) 1 m above ground
2689	REAL(wp), INTENT ( IN ) :: pa !< Water vapour pressure (hPa)
2690	REAL(wp), INTENT ( IN ) :: pair !< Barometric pressure (hPa) at site
2691	REAL(wp), INTENT ( IN ) :: ta !< Ambient air temperature (degC)
2692	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
2693
2694	!
2695	!-- Output variables of argument list:
2696	REAL(wp), INTENT ( OUT ) :: pmva !< Actual Predicted Mean Vote (PMV,
2697	!< dimensionless) according to Fanger corresponding to meteorological
2698	!< (ta,tmrt,pa,ws,pair) and individual variables (clo, actlev, eta)
2699	!
2700	!-- Internal variables
2701	INTEGER(iwp) :: i !< running index
2702
2703	REAL(wp) :: activity !< persons activity (must stay == actlev, W)
2704	REAL(wp) :: bc !< preliminary result storage
2705	REAL(wp) :: cc !< preliminary result storage
2706	REAL(wp) :: clo !< clothing insulation index (clo)
2707	REAL(wp) :: dc !< preliminary result storage
2708	REAL(wp) :: ec !< preliminary result storage
2709	REAL(wp) :: f_cl !< Increase in surface due to clothing (factor)
2710	REAL(wp) :: gc !< preliminary result storage
2711	REAL(wp) :: heat_convection !< energy loss by autocnvection (W)
2712	REAL(wp) :: hr !< radiational heat resistence
2713	REAL(wp) :: t_clothing !< clothing temperature (degree_C)
2714	REAL(wp) :: t_skin_aver !< average skin temperature (degree_C)
2715	REAL(wp) :: ws !< wind speed (m/s)
2716	REAL(wp) :: z1 !< Empiric factor for the adaption of the heat
2717	!< ballance equation to the psycho-physical scale (Equ. 40 in FANGER)
2718	REAL(wp) :: z2 !< Water vapour diffution through the skin
2719	REAL(wp) :: z3 !< Sweat evaporation from the skin surface
2720	REAL(wp) :: z4 !< Loss of latent heat through respiration
2721	REAL(wp) :: z5 !< Loss of radiational heat
2722	REAL(wp) :: z6 !< Heat loss through forced convection
2723
2724	!
2725	!-- Clo must be > 0. to avoid div. by 0!
2726	clo = in_clo
2727	IF ( clo <= 0.0_wp ) clo = .001_wp
2728	!
2729	!-- f_cl = increase in surface due to clothing
2730	f_cl = 1.0_wp + 0.15_wp * clo
2731	!
2732	!-- Case of free convection (ws < 0.1 m/s ) not considered
2733	ws = in_ws
2734	IF ( ws < 0.1_wp ) THEN
2735	ws = 0.1_wp
2736	ENDIF
2737	!
2738	!-- Heat_convection = forced convection
2739	heat_convection = 12.1_wp * SQRT( ws * pair / 1013.25_wp )
2740	!
2741	!-- Activity = inner heat production per standardized surface
2742	activity = actlev * ( 1.0_wp - eta )
2743	!
2744	!-- t_skin_aver = average skin temperature
2745	t_skin_aver = 35.7_wp - 0.0275_wp * activity
2746	!
2747	!-- Calculation of constants for evaluation below
2748	bc = 0.155_wp * clo * 3.96_wp * 10.0_wp*( -8 ) f_cl
2749	cc = f_cl * heat_convection
2750	ec = 0.155_wp * clo
2751	dc = ( 1.0_wp + ec * cc ) / bc
2752	gc = ( t_skin_aver + bc * ( tmrt + degc_to_k )*4 + ec cc * ta ) / bc
2753	!
2754	!-- Calculation of clothing surface temperature (t_clothing) based on Newton-approximation with air
2755	!-- temperature as initial guess.
2756	t_clothing = ta
2757	DO i = 1, 3
2758	t_clothing = t_clothing - ( ( t_clothing + degc_to_k )*4 + t_clothing dc - gc ) / &
2759	( 4.0_wp * ( t_clothing + degc_to_k )**3 + dc )
2760	ENDDO
2761	!
2762	!-- Empiric factor for the adaption of the heat ballance equation to the psycho-physical scale (Equ.
2763	!-- 40 in FANGER)
2764	z1 = ( 0.303_wp * EXP( - 0.036_wp * actlev ) + 0.0275_wp )
2765	!
2766	!-- Water vapour diffution through the skin
2767	z2 = 0.31_wp * ( 57.3_wp - 0.07_wp * activity-pa )
2768	!
2769	!-- Sweat evaporation from the skin surface
2770	z3 = 0.42_wp * ( activity - 58.0_wp )
2771	!
2772	!-- Loss of latent heat through respiration
2773	z4 = 0.0017_wp * actlev * ( 58.7_wp - pa ) + 0.0014_wp * actlev * &
2774	( 34.0_wp - ta )
2775	!
2776	!-- Loss of radiational heat
2777	z5 = 3.96e-8_wp * f_cl * ( ( t_clothing + degc_to_k )4 - ( tmrt + degc_to_k )4 )
2778	IF ( ABS( t_clothing - tmrt ) > 0.0_wp ) THEN
2779	hr = z5 / f_cl / ( t_clothing - tmrt )
2780	ELSE
2781	hr = 0.0_wp
2782	ENDIF
2783	!
2784	!-- Heat loss through forced convection cc*(t_clothing-TT)
2785	z6 = cc * ( t_clothing - ta )
2786	!
2787	!-- Predicted Mean Vote
2788	pmva = z1 * ( activity - z2 - z3 - z4 - z5 - z6 )
2789
2790	END SUBROUTINE fanger
2791
2792	!--------------------------------------------------------------------------------------------------!
2793	! Description:
2794	! ------------
2795	!> For pmva > 0 and clo =0.5 the increment (deltapmv) is calculated that converts pmva into Gagge's
2796	!> et al. (1986) PMV*.
2797	!--------------------------------------------------------------------------------------------------!
2798	REAL(wp) FUNCTION deltapmv( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
2799
2800	IMPLICIT NONE
2801
2802	!
2803	!-- Input variables of argument list:
2804	REAL(wp), INTENT ( IN ) :: pmva !< Actual Predicted Mean Vote (PMV) according to Fanger
2805	REAL(wp), INTENT ( IN ) :: svp_ta !< Saturation water vapour pressure (hPa) at ta
2806	REAL(wp), INTENT ( IN ) :: ta !< Ambient temperature (degC) at screen level
2807	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC) at screen level
2808	REAL(wp), INTENT ( IN ) :: vp !< Water vapour pressure (hPa) at screen level
2809	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s) 1 m above ground
2810
2811	!
2812	!-- Output variables of argument list:
2813	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error status / quality flag
2814	!< 0 = o.k.
2815	!< -2 = pmva outside valid regression range
2816	!< -3 = rel. humidity set to 5 % or 95 %, respectively
2817	!< -4 = deltapmv set to avoid pmvs < 0
2818
2819	!
2820	!-- Internal variables:
2821	INTEGER(iwp) :: nreg !<
2822
2823	REAL(wp) :: apa !< natural logarithm of pa (with hard lower border)
2824	REAL(wp) :: dapa !< difference of apa and pa_p50
2825	REAL(wp) :: dpmv_1 !<
2826	REAL(wp) :: dpmv_2 !<
2827	REAL(wp) :: dtmrt !< difference mean radiation to air temperature
2828	REAL(wp) :: pa !< vapor pressure (hPa) with hard bounds
2829	REAL(wp) :: pa_p50 !< ratio actual water vapour pressure to that of relative humidity of
2830	!< 50 %
2831	REAL(wp) :: pmv !< temp storage og predicted mean vote
2832	REAL(wp) :: pmvs !<
2833	REAL(wp) :: p10 !< lower bound for pa
2834	REAL(wp) :: p95 !< upper bound for pa
2835	REAL(wp) :: sqvel !< square root of local wind velocity
2836	REAL(wp) :: weight !<
2837	REAL(wp) :: weight2 !<
2838
2839	!
2840	!-- Regression coefficients:
2841	REAL(wp), DIMENSION(0:7), PARAMETER :: bpmv = (/ &
2842	- 0.0556602_wp, - 0.1528680_wp, - 0.2336104_wp, - 0.2789387_wp, &
2843	- 0.3551048_wp, - 0.4304076_wp, - 0.4884961_wp, - 0.4897495_wp /)
2844
2845	REAL(wp), DIMENSION(0:7), PARAMETER :: bpa_p50 = (/ &
2846	- 0.1607154_wp, - 0.4177296_wp, - 0.4120541_wp, - 0.0886564_wp, &
2847	0.4285938_wp, 0.6281256_wp, 0.5067361_wp, 0.3965169_wp /)
2848
2849	REAL(wp), DIMENSION(0:7), PARAMETER :: bpa = (/ &
2850	0.0580284_wp, 0.0836264_wp, 0.1009919_wp, 0.1020777_wp, &
2851	0.0898681_wp, 0.0839116_wp, 0.0853258_wp, 0.0866589_wp /)
2852
2853	REAL(wp), DIMENSION(0:7), PARAMETER :: bapa = (/ &
2854	- 1.7838788_wp, - 2.9306231_wp, - 1.6350334_wp, 0.6211547_wp, &
2855	3.3918083_wp, 5.5521025_wp, 8.4897418_wp, 16.6265851_wp /)
2856
2857	REAL(wp), DIMENSION(0:7), PARAMETER :: bdapa = (/ &
2858	1.6752720_wp, 2.7379504_wp, 1.2940526_wp, - 1.0985759_wp, &
2859	- 3.9054732_wp, - 6.0403012_wp, - 8.9437119_wp, - 17.0671201_wp /)
2860
2861	REAL(wp), DIMENSION(0:7), PARAMETER :: bsqvel = (/ &
2862	- 0.0315598_wp, - 0.0286272_wp, - 0.0009228_wp, 0.0483344_wp, &
2863	0.0992366_wp, 0.1491379_wp, 0.1951452_wp, 0.2133949_wp /)
2864
2865	REAL(wp), DIMENSION(0:7), PARAMETER :: bta = (/ &
2866	0.0953986_wp, 0.1524760_wp, 0.0564241_wp, - 0.0893253_wp, &
2867	- 0.2398868_wp, - 0.3515237_wp, - 0.5095144_wp, - 0.9469258_wp /)
2868
2869	REAL(wp), DIMENSION(0:7), PARAMETER :: bdtmrt = (/ &
2870	- 0.0004672_wp, - 0.0000514_wp, - 0.0018037_wp, - 0.0049440_wp, &
2871	- 0.0069036_wp, - 0.0075844_wp, - 0.0079602_wp, - 0.0089439_wp /)
2872
2873	REAL(wp), DIMENSION(0:7), PARAMETER :: aconst = (/ &
2874	1.8686215_wp, 3.4260713_wp, 2.0116185_wp, - 0.7777552_wp, &
2875	- 4.6715853_wp, - 7.7314281_wp, - 11.7602578_wp, - 23.5934198_wp /)
2876
2877
2878	!
2879	!-- Test for compliance with regression range
2880	IF ( pmva < -1.0_wp .OR. pmva > 7.0_wp ) THEN
2881	nerr = -2_iwp
2882	ELSE
2883	nerr = 0_iwp
2884	ENDIF
2885	!
2886	!-- Initialise classic PMV
2887	pmv = pmva
2888	!
2889	!-- Water vapour pressure of air
2890	p10 = 0.05_wp * svp_ta
2891	p95 = 1.00_wp * svp_ta
2892	IF ( vp >= p10 .AND. vp <= p95 ) THEN
2893	pa = vp
2894	ELSE
2895	nerr = -3_iwp
2896	IF ( vp < p10 ) THEN
2897	!
2898	!-- Due to conditions of regression: r.H. >= 5 %
2899	pa = p10
2900	ELSE
2901	!
2902	!-- Due to conditions of regression: r.H. <= 95 %
2903	pa = p95
2904	ENDIF
2905	ENDIF
2906	IF ( pa > 0.0_wp ) THEN
2907	!
2908	!-- Natural logarithm of pa
2909	apa = LOG( pa )
2910	ELSE
2911	apa = -5.0_wp
2912	ENDIF
2913	!
2914	!-- Ratio actual water vapour pressure to that of a r.H. of 50 %
2915	pa_p50 = 0.5_wp * svp_ta
2916	IF ( pa_p50 > 0.0_wp .AND. pa > 0.0_wp ) THEN
2917	dapa = apa - LOG( pa_p50 )
2918	pa_p50 = pa / pa_p50
2919	ELSE
2920	dapa = -5.0_wp
2921	pa_p50 = 0.0_wp
2922	ENDIF
2923	!
2924	!-- Square root of wind velocity
2925	IF ( ws >= 0.0_wp ) THEN
2926	sqvel = SQRT( ws )
2927	ELSE
2928	sqvel = 0.0_wp
2929	ENDIF
2930	!
2931	!-- Difference mean radiation to air temperature
2932	dtmrt = tmrt - ta
2933	!
2934	!-- Select the valid regression coefficients
2935	nreg = INT( pmv )
2936	IF ( nreg < 0_iwp ) THEN
2937	!
2938	!-- Value of the FUNCTION in the case pmv <= -1
2939	deltapmv = 0.0_wp
2940	RETURN
2941	ENDIF
2942	weight = MOD ( pmv, 1.0_wp )
2943	IF ( weight < 0.0_wp ) weight = 0.0_wp
2944	IF ( nreg > 5_iwp ) THEN
2945	nreg = 5_iwp
2946	weight = pmv - 5.0_wp
2947	weight2 = pmv - 6.0_wp
2948	IF ( weight2 > 0_iwp ) THEN
2949	weight = ( weight - weight2 ) / weight
2950	ENDIF
2951	ENDIF
2952	!
2953	!-- Regression valid for 0. <= pmv <= 6., bounds are checked above
2954	dpmv_1 = &
2955	+ bpa(nreg) * pa &
2956	+ bpmv(nreg) * pmv &
2957	+ bapa(nreg) * apa &
2958	+ bta(nreg) * ta &
2959	+ bdtmrt(nreg) * dtmrt &
2960	+ bdapa(nreg) * dapa &
2961	+ bsqvel(nreg) * sqvel &
2962	+ bpa_p50(nreg) * pa_p50 &
2963	+ aconst(nreg)
2964
2965	! dpmv_2 = 0.0_wp
2966	! IF ( nreg < 6_iwp ) THEN !< nreg is always <= 5, see above
2967	dpmv_2 = &
2968	+ bpa(nreg+1_iwp) * pa &
2969	+ bpmv(nreg+1_iwp) * pmv &
2970	+ bapa(nreg+1_iwp) * apa &
2971	+ bta(nreg+1_iwp) * ta &
2972	+ bdtmrt(nreg+1_iwp) * dtmrt &
2973	+ bdapa(nreg+1_iwp) * dapa &
2974	+ bsqvel(nreg+1_iwp) * sqvel &
2975	+ bpa_p50(nreg+1_iwp) * pa_p50 &
2976	+ aconst(nreg+1_iwp)
2977	! ENDIF
2978	!
2979	!-- Calculate pmv modification
2980	deltapmv = ( 1.0_wp - weight ) * dpmv_1 + weight * dpmv_2
2981	pmvs = pmva + deltapmv
2982	IF ( ( pmvs ) < 0.0_wp ) THEN
2983	!
2984	!-- Prevent negative pmv* due to problems with clothing insulation
2985	nerr = -4_iwp
2986	IF ( pmvs > -0.11_wp ) THEN
2987	!
2988	!-- Threshold from perct_regression for winter clothing insulation
2989	deltapmv = deltapmv + 0.11_wp
2990	ELSE
2991	!
2992	!-- Set pmvs to "0" for compliance with summer clothing insulation
2993	deltapmv = -1.0_wp * pmva
2994	ENDIF
2995	ENDIF
2996
2997	END FUNCTION deltapmv
2998
2999	!--------------------------------------------------------------------------------------------------!
3000	! Description:
3001	! ------------
3002	!> The subroutine "calc_sultr" returns a threshold value to perceived temperature allowing to decide
3003	!> whether the actual perceived temperature is linked to perecption of sultriness. The threshold
3004	!> values depends on the Fanger's classical PMV, expressed here as perceived temperature perct.
3005	!--------------------------------------------------------------------------------------------------!
3006	SUBROUTINE calc_sultr( perct_ij, dperctm, dperctstd, sultr_res )
3007
3008	IMPLICIT NONE
3009	!
3010	!-- Input of the argument list:
3011	REAL(wp), INTENT ( IN ) :: perct_ij !< Classical perceived temperature: Base is Fanger's PMV
3012	!
3013	!-- Additional output variables of argument list:
3014	REAL(wp), INTENT ( OUT ) :: dperctm !< Mean deviation perct (classical gt) to gt* (rational
3015	!< gt calculated based on Gagge's rational PMV*)
3016	REAL(wp), INTENT ( OUT ) :: dperctstd !< dperctm plus its standard deviation times a factor
3017	!< determining the significance to perceive sultriness
3018	REAL(wp), INTENT ( OUT ) :: sultr_res
3019	!
3020	!-- Types of coefficients mean deviation: third order polynomial
3021	REAL(wp), PARAMETER :: dperctka = 7.5776086_wp
3022	REAL(wp), PARAMETER :: dperctkb = - 0.740603_wp
3023	REAL(wp), PARAMETER :: dperctkc = 0.0213324_wp
3024	REAL(wp), PARAMETER :: dperctkd = - 0.00027797237_wp
3025	!
3026	!-- Types of coefficients mean deviation plus standard deviation
3027	!-- regression coefficients: third order polynomial
3028	REAL(wp), PARAMETER :: dperctsa = 0.0268918_wp
3029	REAL(wp), PARAMETER :: dperctsb = 0.0465957_wp
3030	REAL(wp), PARAMETER :: dperctsc = - 0.00054709752_wp
3031	REAL(wp), PARAMETER :: dperctsd = 0.0000063714823_wp
3032	!
3033	!-- Factor to mean standard deviation defining SIGNificance for
3034	!-- sultriness
3035	REAL(wp), PARAMETER :: faktor = 1.0_wp
3036	!
3037	!-- Initialise
3038	sultr_res = 99.0_wp
3039	dperctm = 0.0_wp
3040	dperctstd = 999999.0_wp
3041
3042	IF ( perct_ij < 16.826_wp .OR. perct_ij > 56.0_wp ) THEN
3043	!
3044	!-- Unallowed value of classical perct!
3045	RETURN
3046	ENDIF
3047	!
3048	!-- Mean deviation dependent on perct
3049	dperctm = dperctka + dperctkb * perct_ij + dperctkc * perct_ij*2.0_wp + dperctkd &
3050	perct_ij**3.0_wp
3051	!
3052	!-- Mean deviation plus its standard deviation
3053	dperctstd = dperctsa + dperctsb * perct_ij + dperctsc * perct_ij*2.0_wp + dperctsd &
3054	perct_ij**3.0_wp
3055	!
3056	!-- Value of the FUNCTION
3057	sultr_res = dperctm + faktor * dperctstd
3058	IF ( ABS( sultr_res ) > 99.0_wp ) sultr_res = +99.0_wp
3059
3060	END SUBROUTINE calc_sultr
3061
3062	!--------------------------------------------------------------------------------------------------!
3063	! Description:
3064	! ------------
3065	!> Multiple linear regression to calculate an increment delta_cold, to adjust Fanger's classical PMV
3066	!> (pmva) by Gagge's 2 node model, applying Fanger's convective heat transfer coefficient, hcf.
3067	!> Wind velocitiy of the reference environment is 0.10 m/s
3068	!--------------------------------------------------------------------------------------------------!
3069	SUBROUTINE dpmv_cold( pmva, ta, ws, tmrt, nerr, dpmv_cold_res )
3070
3071	IMPLICIT NONE
3072	!
3073	!-- Type of input arguments
3074	REAL(wp), INTENT ( IN ) :: pmva !< Fanger's classical predicted mean vote
3075	REAL(wp), INTENT ( IN ) :: ta !< Air temperature 2 m above ground (degC)
3076	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
3077	REAL(wp), INTENT ( IN ) :: ws !< Relative wind velocity 1 m above ground (m/s)
3078	!
3079	!-- Type of output argument
3080	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error indicator: 0 = o.k., +1 = denominator for
3081	!< intersection = 0
3082
3083	REAL(wp), INTENT ( OUT ) :: dpmv_cold_res !< Increment to adjust pmva according to the
3084	!< results of Gagge's 2 node model depending on the input
3085	!
3086	!-- Type of program variables
3087	INTEGER(iwp) :: i !< running index
3088	INTEGER(iwp) :: i_bin !< result row number
3089
3090	REAL(wp) :: delta_cold(3)
3091	REAL(wp) :: dtmrt !< delta mean radiant temperature
3092	REAL(wp) :: pmv_cross(2)
3093	REAL(wp) :: reg_a(3)
3094	REAL(wp) :: r_denominator !< the regression equations denominator
3095	REAL(wp) :: sqrt_ws !< sqare root of wind speed
3096
3097	! REAL(wp) :: coeff(3,5) !< unsafe! array is (re-)writable!
3098	! coeff(1,1:5) = &
3099	! (/ +0.161_wp, +0.130_wp, -1.125E-03_wp, +1.106E-03_wp, -4.570E-04_wp /)
3100	! coeff(2,1:5) = &
3101	! (/ 0.795_wp, 0.713_wp, -8.880E-03_wp, -1.803E-03_wp, -2.816E-03_wp /)
3102	! coeff(3,1:5) = &
3103	! (/ +0.05761_wp, +0.458_wp, -1.829E-02_wp, -5.577E-03_wp, -1.970E-03_wp /)
3104
3105	!
3106	!-- Coefficient of the 3 regression lines:
3107	! 1:const 2:pmva 3:ta 4:sqrt_ws 5:dtmrt
3108	REAL(wp), DIMENSION(1:3,1:5), PARAMETER :: coeff = RESHAPE( (/ &
3109	0.161_wp, 0.130_wp, -1.125E-03_wp, 1.106E-03_wp, -4.570E-04_wp, &
3110	0.795_wp, 0.713_wp, -8.880E-03_wp, -1.803E-03_wp, -2.816E-03_wp, &
3111	0.05761_wp, 0.458_wp, -1.829E-02_wp, -5.577E-03_wp, -1.970E-03_wp &
3112	/), SHAPE( coeff ), order=(/ 2, 1 /) )
3113	!
3114	!-- Initialise
3115	nerr = 0_iwp
3116	dpmv_cold_res = 0.0_wp
3117	dtmrt = tmrt - ta
3118	sqrt_ws = ws
3119	IF ( sqrt_ws < 0.1_wp ) THEN
3120	sqrt_ws = 0.1_wp
3121	ELSE
3122	sqrt_ws = SQRT( sqrt_ws )
3123	ENDIF
3124
3125	delta_cold = 0.0_wp
3126	pmv_cross = pmva
3127
3128	!
3129	!-- Determine regression constant for given meteorological conditions
3130	DO i = 1, 3
3131	reg_a(i) = coeff(i,1) + coeff(i,3) * ta + coeff(i,4) * sqrt_ws + coeff(i,5)*dtmrt
3132	delta_cold(i) = reg_a(i) + coeff(i,2) * pmva
3133	ENDDO
3134	!
3135	!-- Intersection points of regression lines in terms of Fanger's PMV
3136	DO i = 1, 2
3137	r_denominator = coeff(i,2) - coeff(i+1,2)
3138	IF ( ABS( r_denominator ) > 0.00001_wp ) THEN
3139	pmv_cross(i) = ( reg_a(i+1) - reg_a(i) ) / r_denominator
3140	ELSE
3141	nerr = 1_iwp
3142	RETURN
3143	ENDIF
3144	ENDDO
3145	!
3146	!-- Select result row number
3147	i_bin = 3
3148	DO i = 1, 2
3149	IF ( pmva > pmv_cross(i) ) THEN
3150	i_bin = i
3151	EXIT
3152	ENDIF
3153	ENDDO
3154	!
3155	!-- Adjust to operative temperature scaled according to classical PMV (Fanger)
3156	dpmv_cold_res = delta_cold(i_bin) - dpmv_cold_adj(pmva)
3157
3158	END SUBROUTINE dpmv_cold
3159
3160	!--------------------------------------------------------------------------------------------------!
3161	! Description:
3162	! ------------
3163	!> Calculates the summand dpmv_cold_adj adjusting to the operative temperature scaled according to
3164	!> classical PMV (Fanger) for cold conditions. Valid for reference environment: v (1m) = 0.10 m/s,
3165	!> dTMRT = 0 K, r.h. = 50 %
3166	!--------------------------------------------------------------------------------------------------!
3167	REAL(wp) FUNCTION dpmv_cold_adj( pmva )
3168
3169	IMPLICIT NONE
3170
3171	INTEGER(iwp) :: i !< running index
3172	INTEGER(iwp) :: thr !< thermal range
3173
3174	REAL(wp), INTENT ( IN ) :: pmva !< (adjusted) Predicted Mean Vote
3175
3176	REAL(wp) :: pmv !< pmv-part of the regression
3177
3178	!
3179	!-- Provide regression coefficients for three thermal ranges:
3180	!-- slightly cold cold very cold
3181	REAL(wp), DIMENSION(1:3,0:3), PARAMETER :: coef = RESHAPE( (/ &
3182	0.0941540_wp, -0.1506620_wp, -0.0871439_wp, &
3183	0.0783162_wp, -1.0612651_wp, 0.1695040_wp, &
3184	0.1350144_wp, -1.0049144_wp, -0.0167627_wp, &
3185	0.1104037_wp, -0.2005277_wp, -0.0003230_wp &
3186	/), SHAPE(coef), order=(/ 1, 2 /) )
3187	!
3188	!-- Select thermal range
3189	IF ( pmva <= -2.1226_wp ) THEN !< very cold
3190	thr = 3_iwp
3191	ELSE IF ( pmva <= -1.28_wp ) THEN !< cold
3192	thr = 2_iwp
3193	ELSE !< slightly cold
3194	thr = 1_iwp
3195	ENDIF
3196	!
3197	!-- Initialize
3198	dpmv_cold_adj = coef(thr,0)
3199	pmv = 1.0_wp
3200	!
3201	!-- Calculate pmv adjustment (dpmv_cold_adj)
3202	DO i = 1, 3
3203	pmv = pmv * pmva
3204	dpmv_cold_adj = dpmv_cold_adj + coef(thr,i) * pmv
3205	ENDDO
3206
3207	RETURN
3208	END FUNCTION dpmv_cold_adj
3209
3210	!--------------------------------------------------------------------------------------------------!
3211	! Description:
3212	! ------------
3213	!> Based on perceived temperature (perct) as input, ireq_neutral determines the required clothing
3214	!> insulation (clo) for thermally neutral conditions (neither body cooling nor body heating). It is
3215	!> related to the Klima-Michel activity level (134.682 W/m2). IREQ_neutral is only defined for perct
3216	!> < 10 (degC)
3217	!--------------------------------------------------------------------------------------------------!
3218	REAL(wp) FUNCTION ireq_neutral( perct_ij, ireq_minimal, nerr )
3219
3220	IMPLICIT NONE
3221	!
3222	!-- Type declaration of arguments
3223	INTEGER(iwp), INTENT ( OUT ) :: nerr
3224
3225	REAL(wp), INTENT ( IN ) :: perct_ij
3226	REAL(wp), INTENT ( OUT ) :: ireq_minimal
3227	!
3228	!-- Type declaration for internal varables
3229	REAL(wp) :: perct02
3230	!
3231	!-- Initialise
3232	nerr = 0_iwp
3233	!
3234	!-- Convert perceived temperature from basis 0.1 m/s to basis 0.2 m/s
3235	perct02 = 1.8788_wp + 0.9296_wp * perct_ij
3236	!
3237	!-- IREQ neutral conditions (thermal comfort)
3238	ireq_neutral = 1.62_wp - 0.0564_wp * perct02
3239	!
3240	!-- Regression only defined for perct <= 10 (degC)
3241	IF ( ireq_neutral < 0.5_wp ) THEN
3242	IF ( ireq_neutral < 0.48_wp ) THEN
3243	nerr = 1_iwp
3244	ENDIF
3245	ireq_neutral = 0.5_wp
3246	ENDIF
3247	!
3248	!-- Minimal required clothing insulation: maximal acceptable body cooling
3249	ireq_minimal = 1.26_wp - 0.0588_wp * perct02
3250	IF ( nerr > 0_iwp ) THEN
3251	ireq_minimal = ireq_neutral
3252	ENDIF
3253
3254	RETURN
3255	END FUNCTION ireq_neutral
3256
3257
3258	!--------------------------------------------------------------------------------------------------!
3259	! Description:
3260	! ------------
3261	!> The SUBROUTINE surface area calculates the surface area of the individual according to its height
3262	!> (m), weight (kg), and age (y)
3263	!--------------------------------------------------------------------------------------------------!
3264	SUBROUTINE surface_area( height_cm, weight, age, surf )
3265
3266	IMPLICIT NONE
3267
3268	INTEGER(iwp), INTENT(in) :: age
3269
3270	REAL(wp) , INTENT(in) :: height_cm
3271	REAL(wp) , INTENT(in) :: weight
3272
3273	REAL(wp) , INTENT(out) :: surf
3274
3275	REAL(wp) :: height
3276
3277	height = height_cm * 100.0_wp
3278	!
3279	!-- According to Gehan-George, for children
3280	IF ( age < 19_iwp ) THEN
3281	IF ( age < 5_iwp ) THEN
3282	surf = 0.02667_wp * height*0.42246_wp weight**0.51456_wp
3283	RETURN
3284	ENDIF
3285	surf = 0.03050_wp * height*0.35129_wp weight**0.54375_wp
3286	RETURN
3287	ENDIF
3288	!
3289	!-- DuBois D, DuBois EF: A formula to estimate the approximate surface area if height and weight be
3290	!> known. In: Arch. Int. Med.. 17, 1916, pp. 863:871.
3291	surf = 0.007184_wp * height*0.725_wp weight**0.425_wp
3292	RETURN
3293
3294	END SUBROUTINE surface_area
3295
3296	!--------------------------------------------------------------------------------------------------!
3297	! Description:
3298	! ------------
3299	!> The SUBROUTINE persdat calculates
3300	!> - the total internal energy production = metabolic + workload,
3301	!> - the total internal energy production for a standardized surface (actlev)
3302	!> - the DuBois - area (a_surf [m2])
3303	!> from
3304	!> - the persons age (years),
3305	!> - weight (kg),
3306	!> - height (m),
3307	!> - sex (1 = male, 2 = female),
3308	!> - work load (W)
3309	!> for a sample human.
3310	!--------------------------------------------------------------------------------------------------!
3311	SUBROUTINE persdat( age, weight, height, sex, work, a_surf, actlev )
3312
3313	IMPLICIT NONE
3314
3315	INTEGER(iwp), INTENT(in) :: sex
3316
3317
3318	REAL(wp), INTENT(in) :: age
3319	REAL(wp), INTENT(in) :: height
3320	REAL(wp), INTENT(in) :: weight
3321	REAL(wp), INTENT(in) :: work
3322
3323	REAL(wp), INTENT(out) :: actlev
3324
3325	REAL(wp) :: a_surf
3326	REAL(wp) :: basic_heat_prod
3327	REAL(wp) :: energy_prod
3328	REAL(wp) :: factor
3329	REAL(wp) :: s
3330
3331
3332	CALL surface_area( height, weight, INT( age ), a_surf )
3333	s = height * 100.0_wp / ( weight**( 1.0_wp / 3.0_wp ) )
3334	factor = 1.0_wp + .004_wp * ( 30.0_wp - age )
3335	basic_heat_prod = 0.0_wp
3336	IF ( sex == 1_iwp ) THEN
3337	basic_heat_prod = 3.45_wp * weight*( 3.0_wp / 4.0_wp ) ( factor + 0.01_wp &
3338	* ( s - 43.4_wp ) )
3339	ELSE IF ( sex == 2_iwp ) THEN
3340	basic_heat_prod = 3.19_wp * weight*( 3.0_wp / 4.0_wp ) ( factor + 0.018_wp &
3341	* ( s - 42.1_wp ) )
3342	ENDIF
3343
3344	energy_prod = work + basic_heat_prod
3345	actlev = energy_prod / a_surf
3346
3347	END SUBROUTINE persdat
3348
3349
3350	!--------------------------------------------------------------------------------------------------!
3351	! Description:
3352	! ------------
3353	!> SUBROUTINE ipt_init
3354	!> initializes the instationary perceived temperature
3355	!--------------------------------------------------------------------------------------------------!
3356
3357	SUBROUTINE ipt_init( age, weight, height, sex, work, actlev, clo, ta, vp, ws, tmrt, pair, dt, &
3358	storage, t_clothing, ipt )
3359
3360	IMPLICIT NONE
3361	!
3362	!-- Input parameters
3363
3364	INTEGER(iwp), INTENT(in) :: sex !< Persons sex (1 = male, 2 = female)
3365
3366	REAL(wp), INTENT(in) :: age !< Persons age (years)
3367	REAL(wp), INTENT(in) :: dt !< Timestep (s)
3368	REAL(wp), INTENT(in) :: height !< Persons height (m)7
3369	REAL(wp), INTENT(in) :: pair !< Air pressure (hPa)
3370	REAL(wp), INTENT(in) :: ta !< Air Temperature (degree_C)
3371	REAL(wp), INTENT(in) :: tmrt !< Mean radiant temperature (degree_C)
3372	REAL(wp), INTENT(in) :: vp !< Vapor pressure (hPa)
3373	REAL(wp), INTENT(in) :: weight !< Persons weight (kg)
3374	REAL(wp), INTENT(in) :: work !< Current workload (W)
3375	REAL(wp), INTENT(in) :: ws !< Wind speed in approx. 1.1m (m/s)
3376	!
3377	!-- Output parameters
3378	REAL(wp), INTENT(out) :: actlev
3379	REAL(wp), INTENT(out) :: clo
3380	REAL(wp), INTENT(out) :: ipt
3381	REAL(wp), INTENT(out) :: storage
3382	REAL(wp), INTENT(out) :: t_clothing
3383	!
3384	!-- Internal variables
3385	REAL(wp), PARAMETER :: eps = 0.0005_wp
3386	REAL(wp), PARAMETER :: eta = 0.0_wp
3387
3388	INTEGER(iwp) :: ncount
3389	INTEGER(iwp) :: nerr_cold
3390	INTEGER(iwp) :: nerr
3391
3392	LOGICAL :: sultrieness
3393
3394	! REAL(wp) :: acti
3395	REAL(wp) :: a_surf
3396	! REAL(wp) :: clo_fanger
3397	REAL(wp) :: clon
3398	REAL(wp) :: d_pmv
3399	REAL(wp) :: d_std
3400	REAL(wp) :: dgtcm
3401	REAL(wp) :: dgtcstd
3402	REAL(wp) :: ireq_minimal
3403	REAL(wp) :: pmv_s
3404	REAL(wp) :: pmv_w
3405	REAL(wp) :: pmva
3406	REAL(wp) :: pmvs
3407	REAL(wp) :: ptc
3408	REAL(wp) :: sclo
3409	REAL(wp) :: sult_lim
3410	REAL(wp) :: svp_ta
3411	REAL(wp) :: wclo
3412
3413
3414	storage = 0.0_wp
3415	CALL persdat( age, weight, height, sex, work, a_surf, actlev )
3416	!
3417	!-- Initialise
3418	t_clothing = bio_fill_value
3419	ipt = bio_fill_value
3420	nerr = 0_wp
3421	ncount = 0_wp
3422	sultrieness = .FALSE.
3423	!
3424	!-- Tresholds: clothing insulation (account for model inaccuracies)
3425	!-- Summer clothing
3426	sclo = 0.44453_wp
3427	!-- Winter clothing
3428	wclo = 1.76267_wp
3429	!
3430	!-- Decision: firstly calculate for winter or summer clothing
3431	IF ( ta <= 10.0_wp ) THEN
3432	!
3433	!-- First guess: winter clothing insulation: cold stress
3434	clo = wclo
3435	t_clothing = bio_fill_value ! force initial run
3436	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3437	pmva )
3438	pmv_w = pmva
3439
3440	IF ( pmva > 0.0_wp ) THEN
3441	!
3442	!-- Case summer clothing insulation: heat load ?
3443	clo = sclo
3444	t_clothing = bio_fill_value ! force initial run
3445	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3446	pmva )
3447	pmv_s = pmva
3448	IF ( pmva <= 0.0_wp ) THEN
3449	!
3450	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
3451	!-- values
3452	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta , sclo, pmv_s, wclo, pmv_w, eps,&
3453	pmva, ncount, clo )
3454	IF ( ncount < 0_iwp ) THEN
3455	nerr = -1_iwp
3456	RETURN
3457	ENDIF
3458	ELSE IF ( pmva > 0.06_wp ) THEN
3459	clo = 0.5_wp
3460	t_clothing = bio_fill_value
3461	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, &
3462	dt, pmva )
3463	ENDIF
3464	ELSE IF ( pmva < - 0.11_wp ) THEN
3465	clo = 1.75_wp
3466	t_clothing = bio_fill_value
3467	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3468	pmva )
3469	ENDIF
3470
3471	ELSE
3472	!
3473	!-- First guess: summer clothing insulation: heat load
3474	clo = sclo
3475	t_clothing = bio_fill_value
3476	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3477	pmva )
3478	pmv_s = pmva
3479
3480	IF ( pmva < 0.0_wp ) THEN
3481	!
3482	!-- Case winter clothing insulation: cold stress ?
3483	clo = wclo
3484	t_clothing = bio_fill_value
3485	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3486	pmva )
3487	pmv_w = pmva
3488
3489	IF ( pmva >= 0.0_wp ) THEN
3490	!
3491	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
3492	!-- values
3493	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
3494	pmva, ncount, clo )
3495	IF ( ncount < 0_wp ) THEN
3496	nerr = -1_iwp
3497	RETURN
3498	ENDIF
3499	ELSE IF ( pmva < - 0.11_wp ) THEN
3500	clo = 1.75_wp
3501	t_clothing = bio_fill_value
3502	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, &
3503	dt, pmva )
3504	ENDIF
3505	ELSE IF ( pmva > 0.06_wp ) THEN
3506	clo = 0.5_wp
3507	t_clothing = bio_fill_value
3508	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3509	pmva )
3510	ENDIF
3511
3512	ENDIF
3513	!
3514	!-- Determine perceived temperature by regression equation + adjustments
3515	pmvs = pmva
3516	CALL perct_regression( pmva, clo, ipt )
3517	ptc = ipt
3518	IF ( clo >= 1.75_wp .AND. pmva <= - 0.11_wp ) THEN
3519	!
3520	!-- Adjust for cold conditions according to Gagge 1986
3521	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
3522	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
3523	pmvs = pmva - d_pmv
3524	IF ( pmvs > - 0.11_wp ) THEN
3525	d_pmv = 0.0_wp
3526	pmvs = - 0.11_wp
3527	ENDIF
3528	CALL perct_regression( pmvs, clo, ipt )
3529	ENDIF
3530	! clo_fanger = clo
3531	clon = clo
3532	IF ( clo > 0.5_wp .AND. ipt <= 8.73_wp ) THEN
3533	!
3534	!-- Required clothing insulation (ireq) is exclusively defined for perceived temperatures (ipt)
3535	!-- less 10 (C) for a reference wind of 0.2 m/s according to 8.73 (C) for 0.1 m/s
3536	clon = ireq_neutral ( ipt, ireq_minimal, nerr )
3537	clo = clon
3538	ENDIF
3539	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
3540	sultrieness = .FALSE.
3541	d_std = - 99.0_wp
3542	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
3543	!
3544	!-- Adjust for warm/humid conditions according to Gagge 1986
3545	CALL saturation_vapor_pressure ( ta, svp_ta )
3546	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
3547	pmvs = pmva + d_pmv
3548	CALL perct_regression( pmvs, clo, ipt )
3549	IF ( sult_lim < 99.0_wp ) THEN
3550	IF ( (ipt - ptc) > sult_lim ) sultrieness = .TRUE.
3551	ENDIF
3552	ENDIF
3553
3554
3555	END SUBROUTINE ipt_init
3556
3557	!--------------------------------------------------------------------------------------------------!
3558	! Description:
3559	! ------------
3560	!> SUBROUTINE ipt_cycle
3561	!> Calculates one timestep for the instationary version of perceived temperature (iPT, degree_C) for
3562	!> - standard measured/predicted meteorological values and TMRT as input;
3563	!> - regressions for determination of PT;
3564	!> - adjustment to Gagge's PMV* (2-node-model, 1986) as base of PT under warm/humid conditions
3565	!> (Icl= 0.50 clo) and under cold conditions (Icl= 1.75 clo)
3566	!--------------------------------------------------------------------------------------------------!
3567	SUBROUTINE ipt_cycle( ta, vp, ws, tmrt, pair, dt, storage, t_clothing, clo, actlev, work, ipt )
3568
3569	IMPLICIT NONE
3570	!
3571	!-- Type of input of the argument list
3572	REAL(wp), INTENT ( IN ) :: actlev !< Internal heat production (W)
3573	REAL(wp), INTENT ( IN ) :: clo !< Clothing index (no dim)
3574	REAL(wp), INTENT ( IN ) :: dt !< Timestep (s)
3575	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
3576	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
3577	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3578	REAL(wp), INTENT ( IN ) :: vp !< Vapor pressure (hPa)
3579	REAL(wp), INTENT ( IN ) :: work !< Mechanical work load (W)
3580	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s)
3581	!
3582	!-- In and output parameters
3583	REAL(wp), INTENT (INOUT) :: storage !< Heat storage (W)
3584	REAL(wp), INTENT (INOUT) :: t_clothing !< Clothig temperature (degree_C)
3585	!
3586	!-- Type of output of the argument list
3587	REAL(wp), INTENT ( OUT ) :: ipt !< Instationary perceived temperature (degree_C)
3588	!
3589	!-- Type of internal variables
3590	INTEGER(iwp) :: nerr
3591	INTEGER(iwp) :: nerr_cold
3592
3593	LOGICAL :: sultrieness
3594
3595	REAL(wp) :: d_pmv
3596	REAL(wp) :: d_std
3597	REAL(wp) :: dgtcm
3598	REAL(wp) :: dgtcstd
3599	REAL(wp) :: pmva
3600	REAL(wp) :: pmvs
3601	REAL(wp) :: ptc
3602	REAL(wp) :: sult_lim
3603	REAL(wp) :: svp_ta
3604	!
3605	!-- Initialise
3606	ipt = bio_fill_value
3607
3608	nerr = 0_iwp
3609	sultrieness = .FALSE.
3610	!
3611	!-- Determine pmv_adjusted for current conditions
3612	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, pmva )
3613	!
3614	!-- Determine perceived temperature by regression equation + adjustments
3615	CALL perct_regression( pmva, clo, ipt )
3616	!
3617	!-- Consider cold conditions
3618	IF ( clo >= 1.75_wp .AND. pmva <= -0.11_wp ) THEN
3619	!
3620	!-- Adjust for cold conditions according to Gagge 1986
3621	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
3622	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
3623	pmvs = pmva - d_pmv
3624	IF ( pmvs > - 0.11_wp ) THEN
3625	d_pmv = 0.0_wp
3626	pmvs = - 0.11_wp
3627	ENDIF
3628	CALL perct_regression( pmvs, clo, ipt )
3629	ENDIF
3630	!
3631	!-- Consider sultriness if appropriate
3632	ptc = ipt
3633	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
3634	sultrieness = .FALSE.
3635	d_std = - 99.0_wp
3636	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
3637	!
3638	!-- Adjust for warm/humid conditions according to Gagge 1986
3639	CALL saturation_vapor_pressure ( ta, svp_ta )
3640	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
3641	pmvs = pmva + d_pmv
3642	CALL perct_regression( pmvs, clo, ipt )
3643	IF ( sult_lim < 99.0_wp ) THEN
3644	IF ( (ipt - ptc) > sult_lim ) sultrieness = .TRUE.
3645	ENDIF
3646	ENDIF
3647
3648	END SUBROUTINE ipt_cycle
3649
3650	!--------------------------------------------------------------------------------------------------!
3651	! Description:
3652	! ------------
3653	!> SUBROUTINE fanger_s calculates the actual Predicted Mean Vote (dimensionless) according to Fanger
3654	!> corresponding to meteorological (ta,tmrt,pa,ws,pair) and individual variables (clo, actlev, eta)
3655	!> considering a storage and clothing temperature for a given timestep.
3656	!--------------------------------------------------------------------------------------------------!
3657	SUBROUTINE fanger_s_acti( ta, tmrt, pa, in_ws, pair, in_clo, actlev, activity, t_cloth, s, dt, &
3658	pmva )
3659
3660	IMPLICIT NONE
3661	!
3662	!-- Input argument types
3663	REAL(wp), INTENT ( IN ) :: activity !< Work load (W/mÂ²)
3664	REAL(wp), INTENT ( IN ) :: actlev !< Metabolic + work energy (W/mÂ²)
3665	REAL(wp), INTENT ( IN ) :: dt !< Timestep (s)
3666	REAL(wp), INTENT ( IN ) :: in_clo !< Clothing index (clo) (no dim)
3667	REAL(wp), INTENT ( IN ) :: in_ws !< Wind speed (m/s)
3668	REAL(wp), INTENT ( IN ) :: pa !< Vapour pressure (hPa)
3669	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
3670	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
3671	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3672	!
3673	!-- Output argument types
3674	REAL(wp), INTENT ( OUT ) :: pmva !< actual Predicted Mean Vote (no dim)
3675
3676	REAL(wp), INTENT (INOUT) :: s !< storage var. of energy balance (W/m2)
3677	REAL(wp), INTENT (INOUT) :: t_cloth !< clothing temperature (degree_C)
3678	!
3679	!-- Internal variables
3680	REAL(wp), PARAMETER :: time_equil = 7200.0_wp
3681
3682	INTEGER(iwp) :: i !< running index
3683	INTEGER(iwp) :: niter !< Running index
3684
3685	REAL(wp) :: adjustrate !< Max storage adjustment rate
3686	REAL(wp) :: adjustrate_cloth !< max clothing temp. adjustment rate
3687	REAL(wp) :: bc !< preliminary result storage
3688	REAL(wp) :: cc !< preliminary result storage
3689	REAL(wp) :: clo !< clothing insulation index (clo)
3690	REAL(wp) :: d_s !< Storage delta (W)
3691	REAL(wp) :: dc !< preliminary result storage
3692	REAL(wp) :: en !< Energy ballance (W)
3693	REAL(wp) :: ec !< preliminary result storage
3694	REAL(wp) :: f_cl !< Increase in surface due to clothing (factor)
3695	REAL(wp) :: gc !< preliminary result storage
3696	REAL(wp) :: heat_convection !< energy loss by autocnvection (W)
3697	! REAL(wp) :: hr !< radiational heat resistence
3698	REAL(wp) :: t_clothing !< clothing temperature (degree_C)
3699	REAL(wp) :: t_skin_aver !< average skin temperature (degree_C)
3700	REAL(wp) :: ws !< wind speed (m/s)
3701	REAL(wp) :: z1 !< Empiric factor for the adaption of the heat
3702	!< ballance equation to the psycho-physical scale
3703	!< (Equ. 40 in FANGER)
3704	REAL(wp) :: z2 !< Water vapour diffution through the skin
3705	REAL(wp) :: z3 !< Sweat evaporation from the skin surface
3706	REAL(wp) :: z4 !< Loss of latent heat through respiration
3707	REAL(wp) :: z5 !< Loss of radiational heat
3708	REAL(wp) :: z6 !< Heat loss through forced convection
3709
3710
3711
3712
3713	!
3714	!-- Clo must be > 0. to avoid div. by 0!
3715	clo = in_clo
3716	IF ( clo < 001.0_wp ) clo = 0.001_wp
3717	!
3718	!-- Increase in surface due to clothing
3719	f_cl = 1.0_wp + 0.15_wp * clo
3720	!
3721	!-- Case of free convection (ws < 0.1 m/s ) not considered
3722	ws = in_ws
3723	IF ( ws < 0.1_wp ) THEN
3724	ws = 0.1_wp
3725	ENDIF
3726	!
3727	!-- Heat_convection = forced convection
3728	heat_convection = 12.1_wp * SQRT( ws * pair / 1013.25_wp )
3729	!
3730	!-- Average skin temperature
3731	t_skin_aver = 35.7_wp - 0.0275_wp * activity
3732	!
3733	!-- Calculation of constants for evaluation below
3734	bc = 0.155_wp * clo * 3.96_wp * 10.0_wp*( -8.0_wp ) f_cl
3735	cc = f_cl * heat_convection
3736	ec = 0.155_wp * clo
3737	dc = ( 1.0_wp + ec * cc ) / bc
3738	gc = ( t_skin_aver + bc * ( tmrt + 273.2_wp )*4.0_wp + ec cc * ta ) / bc
3739	!
3740	!-- Calculation of clothing surface temperature (t_clothing) based on Newton-approximation with air
3741	!-- temperature as initial guess
3742	niter = INT( dt * 10.0_wp, KIND=iwp )
3743	IF ( niter < 1 ) niter = 1_iwp
3744	adjustrate = 1.0_wp - EXP( -1.0_wp * ( 10.0_wp / time_equil ) * dt )
3745	IF ( adjustrate >= 1.0_wp ) adjustrate = 1.0_wp
3746	adjustrate_cloth = adjustrate * 30.0_wp
3747	t_clothing = t_cloth
3748	!
3749	!-- Set initial values for niter, adjustrates and t_clothing if this is the first call
3750	IF ( t_cloth <= -998.0_wp ) THEN ! If initial run
3751	niter = 3_iwp
3752	adjustrate = 1.0_wp
3753	adjustrate_cloth = 1.0_wp
3754	t_clothing = ta
3755	ENDIF
3756	!
3757	!-- Update clothing temperature
3758	DO i = 1, niter
3759	t_clothing = t_clothing - adjustrate_cloth * ( ( t_clothing + 273.2_wp )**4.0_wp + &
3760	t_clothing * dc - gc ) / ( 4.0_wp * ( t_clothing + 273.2_wp )**3.0_wp + dc )
3761	ENDDO
3762	!
3763	!-- Empiric factor for the adaption of the heat ballance equation to the psycho-physical scale
3764	!-- (Equ. 40 in FANGER)
3765	z1 = ( 0.303_wp * EXP( - 0.036_wp * actlev ) + 0.0275_wp )
3766	!
3767	!-- Water vapour diffution through the skin
3768	z2 = 0.31_wp * ( 57.3_wp - 0.07_wp * activity-pa )
3769	!
3770	!-- Sweat evaporation from the skin surface
3771	z3 = 0.42_wp * ( activity - 58.0_wp )
3772	!
3773	!-- Loss of latent heat through respiration
3774	z4 = 0.0017_wp * actlev * ( 58.7_wp - pa ) + 0.0014_wp * actlev * ( 34.0_wp - ta )
3775	!
3776	!-- Loss of radiational heat
3777	z5 = 3.96e-8_wp * f_cl * ( ( t_clothing + 273.2_wp )4 - ( tmrt + 273.2_wp )4 )
3778	!
3779	!-- Heat loss through forced convection
3780	z6 = cc * ( t_clothing - ta )
3781	!
3782	!-- Write together as energy ballance
3783	en = activity - z2 - z3 - z4 - z5 - z6
3784	!
3785	!-- Manage storage
3786	d_s = adjustrate * en + ( 1.0_wp - adjustrate ) * s
3787	!
3788	!-- Predicted Mean Vote
3789	pmva = z1 * d_s
3790	!
3791	!-- Update storage
3792	s = d_s
3793	t_cloth = t_clothing
3794
3795	END SUBROUTINE fanger_s_acti
3796
3797
3798
3799	!--------------------------------------------------------------------------------------------------!
3800	!
3801	! Description:
3802	! ------------
3803	!> Physiologically Equivalent Temperature (PET),
3804	!> stationary (calculated based on MEMI),
3805	!> Subroutine based on PETBER vers. 1.5.1996 by P. Hoeppe
3806	!--------------------------------------------------------------------------------------------------!
3807
3808	SUBROUTINE calculate_pet_static( ta, vpa, v, tmrt, pair, pet_ij )
3809
3810	IMPLICIT NONE
3811	!
3812	!-- Input arguments:
3813	REAL(wp), INTENT( IN ) :: pair !< Air pressure (hPa)
3814	REAL(wp), INTENT( IN ) :: ta !< Air temperature (degree_C)
3815	REAL(wp), INTENT( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3816	REAL(wp), INTENT( IN ) :: v !< Wind speed (m/s)
3817	REAL(wp), INTENT( IN ) :: vpa !< Vapor pressure (hPa)
3818	!
3819	!-- Output arguments:
3820	REAL(wp), INTENT ( OUT ) :: pet_ij !< PET (degree_C)
3821	!
3822	!-- Internal variables:
3823	REAL(wp) :: acl !< clothing area (mÂ²)
3824	REAL(wp) :: adu !< Du Bois area (mÂ²)
3825	REAL(wp) :: aeff !< effective area (mÂ²)
3826	REAL(wp) :: ere !< energy ballance (W)
3827	REAL(wp) :: erel !< latent energy ballance (W)
3828	REAL(wp) :: esw !< Energy-loss through sweat evap. (W)
3829	REAL(wp) :: facl !< Surface area extension through clothing (factor)
3830	REAL(wp) :: feff !< Surface modification by posture (factor)
3831	REAL(wp) :: rdcl !< Diffusion resistence of clothing (factor)
3832	REAL(wp) :: rdsk !< Diffusion resistence of skin (factor)
3833	REAL(wp) :: rtv
3834	REAL(wp) :: vpts !< Sat. vapor pressure over skin (hPa)
3835	REAL(wp) :: tcl !< Clothing temperature (degree_C)
3836	REAL(wp) :: tsk !< Skin temperature (degree_C)
3837	REAL(wp) :: wetsk !< Fraction of wet skin (factor)
3838	!
3839	!-- Variables:
3840	REAL(wp) :: int_heat !< Internal heat (W)
3841	!
3842	!-- MEMI configuration
3843	REAL(wp) :: age !< Persons age (a)
3844	REAL(wp) :: clo !< Clothing insulation index (clo)
3845	REAL(wp) :: eta !< Work efficiency (dimensionless)
3846	REAL(wp) :: fcl !< Surface area modification by clothing (factor)
3847	REAL(wp) :: ht !< Persons height (m)
3848	REAL(wp) :: mbody !< Persons body mass (kg)
3849	REAL(wp) :: work !< Work load (W)
3850	! INTEGER(iwp) :: pos !< Posture: 1 = standing, 2 = sitting
3851	! INTEGER(iwp) :: sex !< Sex: 1 = male, 2 = female
3852	!
3853	!-- Configuration, keep standard parameters!
3854	age = 35.0_wp
3855	mbody = 75.0_wp
3856	ht = 1.75_wp
3857	work = 80.0_wp
3858	eta = 0.0_wp
3859	clo = 0.9_wp
3860	fcl = 1.15_wp
3861	!
3862	!-- Call subfunctions
3863	CALL in_body( age, eta, ere, erel, ht, int_heat, mbody, pair, rtv, ta, vpa, work )
3864
3865	CALL heat_exch( acl, adu, aeff, clo, ere, erel, esw, facl, fcl, feff, ht, int_heat, mbody, &
3866	pair, rdcl, rdsk, ta, tcl, tmrt, tsk, v, vpa, vpts, wetsk )
3867
3868	CALL pet_iteration( acl, adu, aeff, esw, facl, feff, int_heat, pair, rdcl, rdsk, rtv, ta, tcl, &
3869	tsk, pet_ij, vpts, wetsk )
3870
3871
3872	END SUBROUTINE calculate_pet_static
3873
3874
3875	!--------------------------------------------------------------------------------------------------!
3876	! Description:
3877	! ------------
3878	!> Calculate internal energy ballance
3879	!--------------------------------------------------------------------------------------------------!
3880	SUBROUTINE in_body( age, eta, ere, erel, ht, int_heat, mbody, pair, rtv, ta, vpa, work )
3881	!
3882	!-- Input arguments:
3883	REAL(wp), INTENT( IN ) :: age !< Persons age (a)
3884	REAL(wp), INTENT( IN ) :: eta !< Work efficiency (dimensionless)
3885	REAL(wp), INTENT( IN ) :: ht !< Persons height (m)
3886	REAL(wp), INTENT( IN ) :: mbody !< Persons body mass (kg)
3887	REAL(wp), INTENT( IN ) :: pair !< air pressure (hPa)
3888	REAL(wp), INTENT( IN ) :: ta !< air temperature (degree_C)
3889	REAL(wp), INTENT( IN ) :: vpa !< vapor pressure (hPa)
3890	REAL(wp), INTENT( IN ) :: work !< Work load (W)
3891	!
3892	!-- Output arguments:
3893	REAL(wp), INTENT( OUT ) :: ere !< energy ballance (W)
3894	REAL(wp), INTENT( OUT ) :: erel !< latent energy ballance (W)
3895	REAL(wp), INTENT( OUT ) :: int_heat !< internal heat production (W)
3896	REAL(wp), INTENT( OUT ) :: rtv !< respiratory volume
3897	!
3898	!-- Internal variables:
3899	REAL(wp) :: eres !< Sensible respiratory heat flux (W)
3900	REAL(wp) :: met
3901	REAL(wp) :: tex
3902	REAL(wp) :: vpex
3903
3904	!
3905	!-- Metabolic heat production
3906	met = 3.45_wp * mbody*( 3.0_wp / 4.0_wp ) (1.0_wp + 0.004_wp * &
3907	( 30.0_wp - age) + 0.010_wp * ( ( ht * 100.0_wp / &
3908	( mbody**( 1.0_wp / 3.0_wp ) ) ) - 43.4_wp ) )
3909	met = work + met
3910	int_heat = met * (1.0_wp - eta)
3911	!
3912	!-- Sensible respiration energy
3913	tex = 0.47_wp * ta + 21.0_wp
3914	rtv = 1.44_wp * 10.0_wp*(-6.0_wp) met
3915	eres = c_p * (ta - tex) * rtv
3916	!
3917	!-- Latent respiration energy
3918	vpex = 6.11_wp * 10.0_wp*( 7.45_wp tex / ( 235.0_wp + tex ) )
3919	erel = 0.623_wp * l_v / pair * ( vpa - vpex ) * rtv
3920	!
3921	!-- Sum of the results
3922	ere = eres + erel
3923
3924	END SUBROUTINE in_body
3925
3926
3927	!--------------------------------------------------------------------------------------------------!
3928	! Description:
3929	! ------------
3930	!> Calculate heat gain or loss
3931	!--------------------------------------------------------------------------------------------------!
3932	SUBROUTINE heat_exch( acl, adu, aeff, clo, ere, erel, esw, facl, fcl, feff, ht, int_heat, mbody, &
3933	pair, rdcl, rdsk, ta, tcl, tmrt, tsk, v, vpa, vpts, wetsk )
3934
3935	!
3936	!-- Input arguments:
3937	REAL(wp), INTENT( IN ) :: clo !< clothing insulation (clo)
3938	REAL(wp), INTENT( IN ) :: fcl !< factor for surface area increase by clothing
3939	REAL(wp), INTENT( IN ) :: ere !< Energy ballance (W)
3940	REAL(wp), INTENT( IN ) :: erel !< Latent energy ballance (W)
3941	REAL(wp), INTENT( IN ) :: ht !< height (m)
3942	REAL(wp), INTENT( IN ) :: int_heat !< internal heat production (W)
3943	REAL(wp), INTENT( IN ) :: mbody !< body mass (kg)
3944	REAL(wp), INTENT( IN ) :: pair !< Air pressure (hPa)
3945	REAL(wp), INTENT( IN ) :: ta !< Air temperature (degree_C)
3946	REAL(wp), INTENT( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3947	REAL(wp), INTENT( IN ) :: v !< Wind speed (m/s)
3948	REAL(wp), INTENT( IN ) :: vpa !< Vapor pressure (hPa)
3949	!
3950	!-- Output arguments:
3951	REAL(wp), INTENT( OUT ) :: acl !< Clothing surface area (mÂ²)
3952	REAL(wp), INTENT( OUT ) :: adu !< Du-Bois area (mÂ²)
3953	REAL(wp), INTENT( OUT ) :: aeff !< Effective surface area (mÂ²)
3954	REAL(wp), INTENT( OUT ) :: esw !< Energy-loss through sweat evap. (W)
3955	REAL(wp), INTENT( OUT ) :: facl !< Surface area extension through clothing (factor)
3956	REAL(wp), INTENT( OUT ) :: feff !< Surface modification by posture (factor)
3957	REAL(wp), INTENT( OUT ) :: rdcl !< Diffusion resistence of clothing (factor)
3958	REAL(wp), INTENT( OUT ) :: rdsk !< Diffusion resistence of skin (factor)
3959	REAL(wp), INTENT( OUT ) :: tcl !< Clothing temperature (degree_C)
3960	REAL(wp), INTENT( OUT ) :: tsk !< Skin temperature (degree_C)
3961	REAL(wp), INTENT( OUT ) :: vpts !< Sat. vapor pressure over skin (hPa)
3962	REAL(wp), INTENT( OUT ) :: wetsk !< Fraction of wet skin (dimensionless)
3963	!
3964	!-- Cconstants:
3965	! REAL(wp), PARAMETER :: cair = 1010.0_wp !< replaced by c_p
3966	REAL(wp), PARAMETER :: cb = 3640.0_wp !<
3967	REAL(wp), PARAMETER :: emcl = 0.95_wp !< Longwave emission coef. of cloth
3968	REAL(wp), PARAMETER :: emsk = 0.99_wp !< Longwave emission coef. of skin
3969	! REAL(wp), PARAMETER :: evap = 2.42_wp * 10.0_wp **6.0_wp !< replaced by l_v
3970	REAL(wp), PARAMETER :: food = 0.0_wp !< Heat gain by food (W)
3971	REAL(wp), PARAMETER :: po = 1013.25_wp !< Air pressure at sea level (hPa)
3972	REAL(wp), PARAMETER :: rob = 1.06_wp !<
3973	!
3974	!-- Internal variables
3975	INTEGER(iwp) :: count1 !< running index
3976	INTEGER(iwp) :: count3 !< running index
3977	INTEGER(iwp) :: j !< running index
3978	INTEGER(iwp) :: i !< running index
3979
3980	LOGICAL :: skipincreasecount !< iteration control flag
3981
3982	REAL(wp) :: cbare !< Convection through bare skin
3983	REAL(wp) :: cclo !< Convection through clothing
3984	REAL(wp) :: csum !< Convection in total
3985	REAL(wp) :: di !< difference between r1 and r2
3986	REAL(wp) :: ed !< energy transfer by diffusion (W)
3987	REAL(wp) :: enbal !< energy ballance (W)
3988	REAL(wp) :: enbal2 !< energy ballance (storage, last cycle)
3989	REAL(wp) :: eswdif !< difference between sweat production and evaporation potential
3990	REAL(wp) :: eswphy !< sweat created by physiology
3991	REAL(wp) :: eswpot !< potential sweat evaporation
3992	REAL(wp) :: fec !<
3993	REAL(wp) :: hc !<
3994	REAL(wp) :: he !<
3995	REAL(wp) :: htcl !<
3996	REAL(wp) :: r1 !<
3997	REAL(wp) :: r2 !<
3998	REAL(wp) :: rbare !< Radiational loss of bare skin (W/mÂ²)
3999	REAL(wp) :: rcl !<
4000	REAL(wp) :: rclo !< Radiational loss of clothing (W/mÂ²)
4001	REAL(wp) :: rclo2 !< Longwave radiation gain or loss (W/mÂ²)
4002	REAL(wp) :: rsum !< Radiational loss or gain (W/mÂ²)
4003	REAL(wp) :: sw !<
4004	! REAL(wp) :: swf !< female factor, currently unused
4005	REAL(wp) :: swm !<
4006	REAL(wp) :: tbody !<
4007	REAL(wp) :: vb !<
4008	REAL(wp) :: vb1 !<
4009	REAL(wp) :: vb2 !<
4010	REAL(wp) :: wd !<
4011	REAL(wp) :: wr !<
4012	REAL(wp) :: ws !<
4013	REAL(wp) :: wsum !<
4014	REAL(wp) :: xx !< modification step (K)
4015	REAL(wp) :: y !< fraction of bare skin
4016
4017	REAL(wp) :: c(0:10) !< Core temperature array (degree_C)
4018	REAL(wp) :: tcore(1:7) !<
4019
4020	!
4021	!-- Initialize
4022	wetsk = 0.0_wp !< skin is dry everywhere on init (no non-evaporated sweat)
4023	!
4024	!-- Set Du Bois Area for the sample person
4025	adu = 0.203_wp * mbody*0.425_wp ht**0.725_wp
4026	!
4027	!-- Initialize convective heat considering local air preassure
4028	hc = 2.67_wp + ( 6.5_wp * v**0.67_wp )
4029	hc = hc * ( pair / po )**0.55_wp
4030	!
4031	!-- Set surface modification by posture (the person will always stand)
4032	feff = 0.725_wp !< Posture: 0.725 for stading
4033	!
4034	!-- Set surface modification by clothing
4035	facl = ( - 2.36_wp + 173.51_wp * clo - 100.76_wp * clo * clo + 19.28_wp * ( clo**3.0_wp ) ) &
4036	/ 100.0_wp
4037	IF ( facl > 1.0_wp ) facl = 1.0_wp
4038	!
4039	!-- Initialize heat resistences
4040	rcl = ( clo / 6.45_wp ) / facl
4041	IF ( clo >= 2.0_wp ) y = 1.0_wp
4042	IF ( ( clo > 0.6_wp ) .AND. ( clo < 2.0_wp ) ) y = ( ht - 0.2_wp ) / ht
4043	IF ( ( clo <= 0.6_wp ) .AND. ( clo > 0.3_wp ) ) y = 0.5_wp
4044	IF ( ( clo <= 0.3_wp ) .AND. ( clo > 0.0_wp ) ) y = 0.1_wp
4045	r2 = adu * ( fcl - 1.0_wp + facl ) / ( 2.0_wp * 3.14_wp * ht * y )
4046	r1 = facl * adu / ( 2.0_wp * 3.14_wp * ht * y )
4047	di = r2 - r1
4048
4049	!
4050	!-- Estimate skin temperatur
4051	DO j = 1, 7
4052
4053	tsk = 34.0_wp
4054	count1 = 0_iwp
4055	tcl = ( ta + tmrt + tsk ) / 3.0_wp
4056	count3 = 1_iwp
4057	enbal2 = 0.0_wp
4058
4059	DO i = 1, 100 ! allow for 100 iterations max
4060	acl = adu * facl + adu * ( fcl - 1.0_wp )
4061	rclo2 = emcl * sigma_sb * ( ( tcl + degc_to_k )**4.0_wp - &
4062	( tmrt + degc_to_k )*4.0_wp ) feff
4063	htcl = 6.28_wp * ht * y * di / ( rcl * LOG( r2 / r1 ) * acl )
4064	tsk = 1.0_wp / htcl * ( hc * ( tcl - ta ) + rclo2 ) + tcl
4065	!
4066	!-- Radiation saldo
4067	aeff = adu * feff
4068	rbare = aeff * ( 1.0_wp - facl ) * emsk * sigma_sb * &
4069	( ( tmrt + degc_to_k )4.0_wp - ( tsk + degc_to_k )4.0_wp )
4070	rclo = feff * acl * emcl * sigma_sb * &
4071	( ( tmrt + degc_to_k )4.0_wp - ( tcl + degc_to_k )4.0_wp )
4072	rsum = rbare + rclo
4073	!
4074	!-- Convection
4075	cbare = hc * ( ta - tsk ) * adu * ( 1.0_wp - facl )
4076	cclo = hc * ( ta - tcl ) * acl
4077	csum = cbare + cclo
4078	!
4079	!-- Core temperature
4080	c(0) = int_heat + ere
4081	c(1) = adu * rob * cb
4082	c(2) = 18.0_wp - 0.5_wp * tsk
4083	c(3) = 5.28_wp * adu * c(2)
4084	c(4) = 0.0208_wp * c(1)
4085	c(5) = 0.76075_wp * c(1)
4086	c(6) = c(3) - c(5) - tsk * c(4)
4087	c(7) = - c(0) * c(2) - tsk * c(3) + tsk * c(5)
4088	c(8) = c(6) * c(6) - 4.0_wp * c(4) * c(7)
4089	c(9) = 5.28_wp * adu - c(5) - c(4) * tsk
4090	c(10) = c(9) * c(9) - 4.0_wp * c(4) * ( c(5) * tsk - c(0) - 5.28_wp * adu * tsk )
4091
4092	IF ( ABS( tsk - 36.0_wp ) < 0.00001_wp ) tsk = 36.01_wp
4093	tcore(7) = c(0) / ( 5.28_wp * adu + c(1) * 6.3_wp / 3600.0_wp ) + tsk
4094	tcore(3) = c(0) / ( 5.28_wp * adu + ( c(1) * 6.3_wp / 3600.0_wp ) / &
4095	( 1.0_wp + 0.5_wp * ( 34.0_wp - tsk ) ) ) + tsk
4096	IF ( c(10) >= 0.0_wp ) THEN
4097	tcore(6) = ( - c(9) - c(10)*0.5_wp ) / ( 2.0_wp c(4) )
4098	tcore(1) = ( - c(9) + c(10)*0.5_wp ) / ( 2.0_wp c(4) )
4099	ENDIF
4100
4101	IF ( c(8) >= 0.0_wp ) THEN
4102	tcore(2) = ( - c(6) + ABS( c(8) )*0.5_wp ) / ( 2.0_wp c(4) )
4103	tcore(5) = ( - c(6) - ABS( c(8) )*0.5_wp ) / ( 2.0_wp c(4) )
4104	tcore(4) = c(0) / ( 5.28_wp * adu + c(1) * 1.0_wp / 40.0_wp ) + tsk
4105	ENDIF
4106	!
4107	!-- Transpiration
4108	tbody = 0.1_wp * tsk + 0.9_wp * tcore(j)
4109	swm = 304.94_wp * ( tbody - 36.6_wp ) * adu / 3600000.0_wp
4110	vpts = 6.11_wp * 10.0_wp*( 7.45_wp tsk / ( 235.0_wp + tsk ) )
4111
4112	IF ( tbody <= 36.6_wp ) swm = 0.0_wp !< no need for sweating
4113
4114	sw = swm
4115	eswphy = - sw * l_v
4116	he = 0.633_wp * hc / ( pair * c_p )
4117	fec = 1.0_wp / ( 1.0_wp + 0.92_wp * hc * rcl )
4118	eswpot = he * ( vpa - vpts ) * adu * l_v * fec
4119	wetsk = eswphy / eswpot
4120
4121	IF ( wetsk > 1.0_wp ) wetsk = 1.0_wp
4122	!
4123	!-- Sweat production > evaporation?
4124	eswdif = eswphy - eswpot
4125
4126	IF ( eswdif <= 0.0_wp ) esw = eswpot !< Limit is evaporation
4127	IF ( eswdif > 0.0_wp ) esw = eswphy !< Limit is sweat production
4128	IF ( esw > 0.0_wp ) esw = 0.0_wp !< Sweat can't be evaporated, no more cooling
4129	!< effect
4130	!
4131	!-- Diffusion
4132	rdsk = 0.79_wp * 10.0_wp**7.0_wp
4133	rdcl = 0.0_wp
4134	ed = l_v / ( rdsk + rdcl ) * adu * ( 1.0_wp - wetsk ) * ( vpa - vpts )
4135	!
4136	!-- Max vb
4137	vb1 = 34.0_wp - tsk
4138	vb2 = tcore(j) - 36.6_wp
4139
4140	IF ( vb2 < 0.0_wp ) vb2 = 0.0_wp
4141	IF ( vb1 < 0.0_wp ) vb1 = 0.0_wp
4142	vb = ( 6.3_wp + 75.0_wp * vb2 ) / ( 1.0_wp + 0.5_wp * vb1 )
4143	!
4144	!-- Energy ballence
4145	enbal = int_heat + ed + ere + esw + csum + rsum + food
4146	!
4147	!-- Clothing temperature
4148	xx = 0.001_wp
4149	IF ( count1 == 0_iwp ) xx = 1.0_wp
4150	IF ( count1 == 1_iwp ) xx = 0.1_wp
4151	IF ( count1 == 2_iwp ) xx = 0.01_wp
4152	IF ( count1 == 3_iwp ) xx = 0.001_wp
4153
4154	IF ( enbal > 0.0_wp ) tcl = tcl + xx
4155	IF ( enbal < 0.0_wp ) tcl = tcl - xx
4156
4157	skipincreasecount = .FALSE.
4158	IF ( ( (enbal <= 0.0_wp ) .AND. (enbal2 > 0.0_wp ) ) .OR. &
4159	( ( enbal >= 0.0_wp ) .AND. ( enbal2 < 0.0_wp ) ) ) THEN
4160	skipincreasecount = .TRUE.
4161	ELSE
4162	enbal2 = enbal
4163	count3 = count3 + 1_iwp
4164	ENDIF
4165
4166	IF ( ( count3 > 200_iwp ) .OR. skipincreasecount ) THEN
4167	IF ( count1 < 3_iwp ) THEN
4168	count1 = count1 + 1_iwp
4169	enbal2 = 0.0_wp
4170	ELSE
4171	EXIT
4172	ENDIF
4173	ENDIF
4174	ENDDO
4175
4176	IF ( count1 == 3_iwp ) THEN
4177	SELECT CASE ( j )
4178	CASE ( 2, 5)
4179	IF ( .NOT. ( ( tcore(j) >= 36.6_wp ) .AND. ( tsk <= 34.050_wp ) ) ) CYCLE
4180	CASE ( 6, 1 )
4181	IF ( c(10) < 0.0_wp ) CYCLE
4182	IF ( .NOT. ( ( tcore(j) >= 36.6_wp ) .AND. ( tsk > 33.850_wp ) ) ) CYCLE
4183	CASE ( 3 )
4184	IF ( .NOT. ( ( tcore(j) < 36.6_wp ) .AND. ( tsk <= 34.000_wp ) ) ) CYCLE
4185	CASE ( 7 )
4186	IF ( .NOT. ( ( tcore(j) < 36.6_wp ) .AND. ( tsk > 34.000_wp ) ) ) CYCLE
4187	CASE default
4188	END SELECT
4189	ENDIF
4190
4191	IF ( ( j /= 4_iwp ) .AND. ( vb >= 91.0_wp ) ) CYCLE
4192	IF ( ( j == 4_iwp ) .AND. ( vb < 89.0_wp ) ) CYCLE
4193	IF ( vb > 90.0_wp ) vb = 90.0_wp
4194	!
4195	!-- Loses by water
4196	ws = sw * 3600.0_wp * 1000.0_wp
4197	IF ( ws > 2000.0_wp ) ws = 2000.0_wp
4198	wd = ed / l_v * 3600.0_wp * ( -1000.0_wp )
4199	wr = erel / l_v * 3600.0_wp * ( -1000.0_wp )
4200
4201	wsum = ws + wr + wd
4202
4203	RETURN
4204	ENDDO
4205	END SUBROUTINE heat_exch
4206
4207	!--------------------------------------------------------------------------------------------------!
4208	! Description:
4209	! ------------
4210	!> Calculate PET
4211	!--------------------------------------------------------------------------------------------------!
4212	SUBROUTINE pet_iteration( acl, adu, aeff, esw, facl, feff, int_heat, pair, rdcl, rdsk, rtv, ta, &
4213	tcl, tsk, pet_ij, vpts, wetsk )
4214	!
4215	!-- Input arguments:
4216	REAL(wp), INTENT( IN ) :: acl !< clothing surface area (mÂ²)
4217	REAL(wp), INTENT( IN ) :: adu !< Du-Bois area (mÂ²)
4218	REAL(wp), INTENT( IN ) :: esw !< energy-loss through sweat evap. (W)
4219	REAL(wp), INTENT( IN ) :: facl !< surface area extension through clothing (factor)
4220	REAL(wp), INTENT( IN ) :: feff !< surface modification by posture (factor)
4221	REAL(wp), INTENT( IN ) :: int_heat !< internal heat production (W)
4222	REAL(wp), INTENT( IN ) :: pair !< air pressure (hPa)
4223	REAL(wp), INTENT( IN ) :: rdcl !< diffusion resistence of clothing (factor)
4224	REAL(wp), INTENT( IN ) :: rdsk !< diffusion resistence of skin (factor)
4225	REAL(wp), INTENT( IN ) :: rtv !< respiratory volume
4226	REAL(wp), INTENT( IN ) :: ta !< air temperature (degree_C)
4227	REAL(wp), INTENT( IN ) :: tcl !< clothing temperature (degree_C)
4228	REAL(wp), INTENT( IN ) :: tsk !< skin temperature (degree_C)
4229	REAL(wp), INTENT( IN ) :: vpts !< sat. vapor pressure over skin (hPa)
4230	REAL(wp), INTENT( IN ) :: wetsk !< fraction of wet skin (dimensionless)
4231	!
4232	!-- Output arguments:
4233	REAL(wp), INTENT( OUT ) :: aeff !< effective surface area (mÂ²)
4234	REAL(wp), INTENT( OUT ) :: pet_ij !< PET (degree_C)
4235	!
4236	!-- Cconstants:
4237	REAL(wp), PARAMETER :: emcl = 0.95_wp !< Longwave emission coef. of cloth
4238	REAL(wp), PARAMETER :: emsk = 0.99_wp !< Longwave emission coef. of skin
4239	REAL(wp), PARAMETER :: po = 1013.25_wp !< Air pressure at sea level (hPa)
4240	!
4241	!-- Internal variables
4242	INTEGER ( iwp ) :: count1 !< running index
4243	INTEGER ( iwp ) :: i !< running index
4244
4245	REAL ( wp ) :: cbare !< Convection through bare skin
4246	REAL ( wp ) :: cclo !< Convection through clothing
4247	REAL ( wp ) :: csum !< Convection in total
4248	REAL ( wp ) :: ed !< Diffusion (W)
4249	REAL ( wp ) :: enbal !< Energy ballance (W)
4250	REAL ( wp ) :: enbal2 !< Energy ballance (last iteration cycle)
4251	REAL ( wp ) :: ere !< Energy ballance result (W)
4252	REAL ( wp ) :: erel !< Latent energy ballance (W)
4253	REAL ( wp ) :: eres !< Sensible respiratory heat flux (W)
4254	REAL ( wp ) :: hc !<
4255	REAL ( wp ) :: rbare !< Radiational loss of bare skin (W/mÂ²)
4256	REAL ( wp ) :: rclo !< Radiational loss of clothing (W/mÂ²)
4257	REAL ( wp ) :: rsum !< Radiational loss or gain (W/mÂ²)
4258	REAL ( wp ) :: tex !< Temperat. of exhaled air (degree_C)
4259	REAL ( wp ) :: vpex !< Vapor pressure of exhaled air (hPa)
4260	REAL ( wp ) :: xx !< Delta PET per iteration (K)
4261
4262
4263	pet_ij = ta
4264	enbal2 = 0.0_wp
4265
4266	DO count1 = 0, 3
4267	DO i = 1, 125 ! 500 / 4
4268	hc = 2.67_wp + 6.5_wp * 0.1_wp**0.67_wp
4269	hc = hc * ( pair / po )**0.55_wp
4270	!
4271	!-- Radiation
4272	aeff = adu * feff
4273	rbare = aeff * ( 1.0_wp - facl ) * emsk * sigma_sb * &
4274	( ( pet_ij + degc_to_k )4.0_wp - ( tsk + degc_to_k )4.0_wp )
4275	rclo = feff * acl * emcl * sigma_sb * &
4276	( ( pet_ij + degc_to_k )4.0_wp - ( tcl + degc_to_k )4.0_wp )
4277	rsum = rbare + rclo
4278	!
4279	!-- Covection
4280	cbare = hc * ( pet_ij - tsk ) * adu * ( 1.0_wp - facl )
4281	cclo = hc * ( pet_ij - tcl ) * acl
4282	csum = cbare + cclo
4283	!
4284	!-- Diffusion
4285	ed = l_v / ( rdsk + rdcl ) * adu * ( 1.0_wp - wetsk ) * ( 12.0_wp - vpts )
4286	!
4287	!-- Respiration
4288	tex = 0.47_wp * pet_ij + 21.0_wp
4289	eres = c_p * ( pet_ij - tex ) * rtv
4290	vpex = 6.11_wp * 10.0_wp*( 7.45_wp tex / ( 235.0_wp + tex ) )
4291	erel = 0.623_wp * l_v / pair * ( 12.0_wp - vpex ) * rtv
4292	ere = eres + erel
4293	!
4294	!-- Energy ballance
4295	enbal = int_heat + ed + ere + esw + csum + rsum
4296	!
4297	!-- Iteration concerning ta
4298	xx = 0.001_wp
4299	IF ( count1 == 0_iwp ) xx = 1.0_wp
4300	IF ( count1 == 1_iwp ) xx = 0.1_wp
4301	IF ( count1 == 2_iwp ) xx = 0.01_wp
4302	! IF ( count1 == 3_iwp ) xx = 0.001_wp
4303	IF ( enbal > 0.0_wp ) pet_ij = pet_ij - xx
4304	IF ( enbal < 0.0_wp ) pet_ij = pet_ij + xx
4305	IF ( ( enbal <= 0.0_wp ) .AND. ( enbal2 > 0.0_wp ) ) EXIT
4306	IF ( ( enbal >= 0.0_wp ) .AND. ( enbal2 < 0.0_wp ) ) EXIT
4307
4308	enbal2 = enbal
4309	ENDDO
4310	ENDDO
4311	END SUBROUTINE pet_iteration
4312
4313	!
4314	!-- UVEM specific subroutines
4315
4316	!--------------------------------------------------------------------------------------------------!
4317	! Description:
4318	! ------------
4319	!> Module-specific routine for new module
4320	!--------------------------------------------------------------------------------------------------!
4321	SUBROUTINE uvem_solar_position
4322
4323	USE control_parameters, &
4324	ONLY: latitude, longitude, time_SINce_reference_point
4325
4326	IMPLICIT NONE
4327
4328	INTEGER(iwp) :: day_of_year = 0 !< day of year
4329
4330	REAL(wp) :: alpha = 0.0_wp !< solar azimuth angle in radiant
4331	REAL(wp) :: declination = 0.0_wp !< declination
4332	REAL(wp) :: dtor = 0.0_wp !< factor to convert degree to radiant
4333	REAL(wp) :: js = 0.0_wp !< parameter for solar position calculation
4334	REAL(wp) :: lat = 52.39_wp !< latitude
4335	REAL(wp) :: lon = 9.7_wp !< longitude
4336	REAL(wp) :: second_of_day = 0.0_wp !< current second of the day
4337	REAL(wp) :: thetar = 0.0_wp !< angle for solar zenith angle calculation
4338	REAL(wp) :: thetasr = 0.0_wp !< angle for solar azimuth angle calculation
4339	REAL(wp) :: zgl = 0.0_wp !< calculated exposure by direct beam
4340	REAL(wp) :: woz = 0.0_wp !< calculated exposure by diffuse radiation
4341	REAL(wp) :: wsp = 0.0_wp !< calculated exposure by direct beam
4342
4343
4344	CALL get_date_time( time_SINce_reference_point, day_of_year = day_of_year, &
4345	second_of_day = second_of_day )
4346	dtor = pi / 180.0_wp
4347	lat = latitude
4348	lon = longitude
4349	!
4350	!-- Calculation of js, necessary for calculation of equation of time (zgl) :
4351	js= 72.0_wp * ( REAL( day_of_year, KIND = wp ) + ( second_of_day / 86400.0_wp ) ) / 73.0_wp
4352	!
4353	!-- Calculation of equation of time (zgl):
4354	zgl = 0.0066_wp + 7.3525_wp * COS( ( js + 85.9_wp ) * dtor ) + 9.9359_wp * &
4355	COS( ( 2.0_wp * js + 108.9_wp ) * dtor ) + 0.3387_wp * COS( ( 3 * js + 105.2_wp ) * dtor )
4356	!
4357	!-- Calculation of apparent solar time woz:
4358	woz = ( ( second_of_day / 3600.0_wp ) - ( 4.0_wp * ( 15.0_wp - lon ) ) / 60.0_wp ) + &
4359	( zgl / 60.0_wp )
4360	!
4361	!-- Calculation of hour angle (wsp):
4362	wsp = ( woz - 12.0_wp ) * 15.0_wp
4363	!
4364	!-- Calculation of declination:
4365	declination = 0.3948_wp - 23.2559_wp * COS( ( js + 9.1_wp ) * dtor ) - &
4366	0.3915_wp * COS( ( 2.0_wp * js + 5.4_wp ) * dtor ) - 0.1764_wp * &
4367	COS( ( 3.0_wp * js + 26.0_wp ) * dtor )
4368	!
4369	!-- Calculation of solar zenith angle
4370	thetar = ACOS( SIN( lat * dtor) * SIN( declination * dtor ) + COS( wsp * dtor ) * &
4371	COS( lat * dtor ) * COS( declination * dtor ) )
4372	thetasr = ASIN( SIN( lat * dtor) * SIN( declination * dtor ) + COS( wsp * dtor ) * &
4373	COS( lat * dtor ) * COS( declination * dtor ) )
4374	sza = thetar / dtor
4375	!
4376	!-- calculation of solar azimuth angle
4377	IF (woz <= 12.0_wp) alpha = pi - ACOS( ( SIN(thetasr) * SIN( lat * dtor ) - &
4378	SIN( declination * dtor ) ) / ( COS(thetasr) * COS( lat * dtor ) ) )
4379	IF (woz > 12.0_wp) alpha = pi + ACOS( ( SIN(thetasr) * SIN( lat * dtor ) - &
4380	SIN( declination * dtor ) ) / ( COS(thetasr) * COS( lat * dtor ) ) )
4381	saa = alpha / dtor
4382
4383	END SUBROUTINE uvem_solar_position
4384
4385
4386	!--------------------------------------------------------------------------------------------------!
4387	! Description:
4388	! ------------
4389	!> Module-specific routine for new module
4390	!--------------------------------------------------------------------------------------------------!
4391	SUBROUTINE bio_calculate_uv_exposure
4392
4393	USE indices, &
4394	ONLY: nxl, nxr, nyn, nys
4395
4396
4397	IMPLICIT NONE
4398
4399	INTEGER(iwp) :: i !< loop index in x direction
4400	INTEGER(iwp) :: j !< loop index in y direction
4401	INTEGER(iwp) :: szai !< loop index for different sza values
4402
4403	CALL uvem_solar_position
4404
4405	IF (sza >= 90) THEN
4406	vitd3_exposure(:,:) = 0.0_wp
4407	ELSE
4408
4409	DO ai = 0, 35
4410	DO zi = 0, 9
4411	projection_area_lookup_table(ai,zi) = uvem_projarea_f%var(clothing,zi,ai)
4412	ENDDO
4413	ENDDO
4414	DO ai = 0, 35
4415	DO zi = 0, 9
4416	integration_array(ai,zi) = uvem_integration_f%var(zi,ai)
4417	ENDDO
4418	ENDDO
4419	DO ai = 0, 2
4420	DO zi = 0, 90
4421	irradiance_lookup_table(ai,zi) = uvem_irradiance_f%var(zi,ai)
4422	ENDDO
4423	ENDDO
4424	DO ai = 0, 35
4425	DO zi = 0, 9
4426	DO szai = 0, 90
4427	radiance_lookup_table(ai,zi,szai) = uvem_radiance_f%var(szai,zi,ai)
4428	ENDDO
4429	ENDDO
4430	ENDDO
4431
4432
4433	!-- Rotate 3D-Model human to desired direction
4434	projection_area_temp( 0:35,:) = projection_area_lookup_table
4435	projection_area_temp(36:71,:) = projection_area_lookup_table
4436	IF ( .NOT. turn_to_sun ) startpos_human = orientation_angle / 10.0_wp
4437	IF ( turn_to_sun ) startpos_human = saa / 10.0_wp
4438	DO ai = 0, 35
4439	xfactor = ( startpos_human ) - INT( startpos_human )
4440	DO zi = 0, 9
4441	projection_area(ai,zi) = ( projection_area_temp( 36 - &
4442	INT( startpos_human ) - 1 + ai , zi)&
4443	* ( xfactor ) ) &
4444	+ ( projection_area_temp( 36 - &
4445	INT( startpos_human ) + ai , zi) &
4446	* ( 1.0_wp - xfactor ) )
4447	ENDDO
4448	ENDDO
4449	!
4450	!
4451	!-- Interpolate to accurate Solar Zenith Angle
4452	DO ai = 0, 35
4453	xfactor = ( sza )-INT( sza )
4454	DO zi = 0, 9
4455	radiance_array(ai,zi) = ( radiance_lookup_table(ai, zi, INT( sza ) ) * &
4456	( 1.0_wp - xfactor) ) + &
4457	( radiance_lookup_table(ai,zi,INT( sza ) + 1) * xfactor )
4458	ENDDO
4459	ENDDO
4460	DO iq = 0, 2
4461	irradiance(iq) = ( irradiance_lookup_table(iq, INT( sza ) ) * ( 1.0_wp - xfactor)) + &
4462	( irradiance_lookup_table(iq, INT( sza ) + 1) * xfactor )
4463	ENDDO
4464	!
4465	!-- Interpolate to accurate Solar Azimuth Angle
4466	IF ( sun_in_south ) THEN
4467	startpos_saa_float = 180.0_wp / 10.0_wp
4468	ELSE
4469	startpos_saa_float = saa / 10.0_wp
4470	ENDIF
4471	radiance_array_temp( 0:35,:) = radiance_array
4472	radiance_array_temp(36:71,:) = radiance_array
4473	xfactor = (startpos_saa_float) - INT( startpos_saa_float )
4474	DO ai = 0, 35
4475	DO zi = 0, 9
4476	radiance_array(ai,zi) = ( radiance_array_temp(36 - &
4477	INT( startpos_saa_float ) - 1 + ai, zi) &
4478	* ( xfactor ) ) &
4479	+ ( radiance_array_temp(36 - &
4480	INT( startpos_saa_float ) + ai, zi) &
4481	* ( 1.0_wp - xfactor ) )
4482	ENDDO
4483	ENDDO
4484
4485	!
4486	!-- Calculate Projectionarea for direct beam
4487	projection_area_direct_temp( 0:35,:) = projection_area
4488	projection_area_direct_temp(36:71,:) = projection_area
4489	yfactor = ( sza / 10.0_wp ) - INT( sza / 10.0_wp )
4490	xfactor = ( startpos_saa_float ) - INT( startpos_saa_float )
4491	projection_area_direct_beam = ( projection_area_direct_temp( INT(startpos_saa_float) ,INT(sza/10.0_wp) ) * &
4492	( 1.0_wp - xfactor ) * ( 1.0_wp - yfactor ) ) + &
4493	( projection_area_direct_temp( INT(startpos_saa_float) + 1,INT(sza/10.0_wp) ) * &
4494	( xfactor ) * ( 1.0_wp - yfactor ) ) + &
4495	( projection_area_direct_temp( INT(startpos_saa_float) ,INT(sza/10.0_wp)+1) * &
4496	( 1.0_wp - xfactor ) * ( yfactor ) ) + &
4497	( projection_area_direct_temp( INT(startpos_saa_float) + 1,INT(sza/10.0_wp)+1) * &
4498	( xfactor ) * ( yfactor ) )
4499
4500
4501	DO i = nxl, nxr
4502	DO j = nys, nyn
4503	!
4504	!-- Extract obstruction from IBSET-Integer_Array
4505	IF (consider_obstructions ) THEN
4506	obstruction_temp1 = building_obstruction_f%var_3d(:,j,i)
4507	IF ( obstruction_temp1(0) /= 9 ) THEN
4508	DO pobi = 0, 44
4509	DO bi = 0, 7
4510	IF ( BTEST( obstruction_temp1(pobi), bi ) .EQV. .TRUE.) THEN
4511	obstruction_temp2( ( pobi * 8 ) + bi ) = 1
4512	ELSE
4513	obstruction_temp2( ( pobi * 8 ) + bi ) = 0
4514	ENDIF
4515	ENDDO
4516	ENDDO
4517	DO zi = 0, 9
4518	obstruction(:,zi) = obstruction_temp2( zi * 36 :( zi * 36) + 35 )
4519	ENDDO
4520	ELSE
4521	obstruction(:,:) = 0
4522	ENDIF
4523	ENDIF
4524	!
4525	!-- Calculated human exposure
4526	diffuse_exposure = SUM( radiance_array * projection_area * integration_array * &
4527	obstruction )
4528
4529	obstruction_direct_beam = obstruction( NINT( startpos_saa_float), &
4530	NINT( sza / 10.0_wp ) )
4531	IF (sza >= 89.99_wp) THEN
4532	sza = 89.99999_wp
4533	ENDIF
4534	!
4535	!-- Calculate direct normal irradiance (direct beam)
4536	direct_exposure = ( irradiance(1) / COS( pi * sza / 180.0_wp ) ) * &
4537	projection_area_direct_beam * obstruction_direct_beam
4538
4539	vitd3_exposure(j,i) = ( diffuse_exposure + direct_exposure ) / 1000.0_wp * 70.97_wp
4540	! unit = international units vitamin D per second
4541	ENDDO
4542	ENDDO
4543	ENDIF
4544
4545	END SUBROUTINE bio_calculate_uv_exposure
4546
4547	END MODULE biometeorology_mod

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source: palm/trunk/SOURCE/biometeorology_mod.f90 @ 4731

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