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biometeorology_mod.f90 @ 4626

Last change on this file since 4626 was 4590, checked in by suehring, 4 years ago

Biomet: Enable restart via mpi-IO; Restart: Bugfix in allocation of hom and hom_sum in case of mpi-io restart when chemistry or salsa are employed

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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: 193.5 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 4590 2020-07-06 14:34:59Z raasch $
28	! Enable restart via mpi-IO. Therefore, allocated array mrt_av_grid as 3D array instead of an
29	! 1D array.
30	!
31	! 4577 2020-06-25 09:53:58Z raasch
32	! further re-formatting concerning Fortran parameter variables
33	!
34	! 4540 2020-05-18 15:23:29Z raasch
35	! file re-formatted to follow the PALM coding standard
36	!
37	! 4535 2020-05-15 12:07:23Z raasch
38	! bugfix for restart data format query
39	!
40	! 4517 2020-05-03 14:29:30Z raasch
41	! added restart with MPI-IO for reading local arrays
42	!
43	! 4495 2020-04-13 20:11:20Z raasch
44	! restart data handling with MPI-IO added
45	!
46	! 4493 2020-04-10 09:49:43Z pavelkrc
47	! Revise bad formatting
48	!
49	! 4286 2019-10-30 16:01:14Z resler
50	! implement new palm_date_time_mod
51	!
52	! 4223 2019-09-10 09:20:47Z gronemeier
53	! Corrected "Former revisions" section
54	!
55	! 4168 2019-08-16 13:50:17Z suehring
56	! Replace function get_topography_top_index by topo_top_ind
57	!
58	! 4144 2019-08-06 09:11:47Z raasch
59	! relational operators .EQ., .NE., etc. replaced by ==, /=, etc.
60	!
61	! 4127 2019-07-30 14:47:10Z suehring
62	! Output for bio_mrt added (merge from branch resler)
63	!
64	! 4126 2019-07-30 11:09:11Z gronemeier
65	! renamed vitd3_exposure_av into vitd3_dose,
66	! renamed uvem_calc_exposure into bio_calculate_uv_exposure
67	!
68	! 3885 2019-04-11 11:29:34Z kanani
69	! Changes related to global restructuring of location messages and introduction of additional debug
70	! messages
71	!
72	! 3753 2019-02-19 14:48:54Z dom_dwd_user
73	! - Added automatic setting of mrt_nlevels in case it was not part of radiation_parameters namelist
74	! (or set to 0 accidentially).
75	! - Minor speed improvoemnts in perceived temperature calculations.
76	! - Perceived temperature regression arrays now declared as PARAMETERs.
77	!
78	! 3750 2019-02-19 07:29:39Z dom_dwd_user
79	! - Added addittional safety meassures to bio_calculate_thermal_index_maps.
80	! - Replaced several REAL (un-)equality comparisons.
81	!
82	! 3742 2019-02-14 11:25:22Z dom_dwd_user
83	! - Allocation of the input _av grids was moved to the "sum" section of bio_3d_data_averaging to
84	! make sure averaging is only done once!
85	! - Moved call of bio_calculate_thermal_index_maps from biometeorology module to time_integration to
86	! make sure averaged input is updated before calculating.
87	!
88	! 3740 2019-02-13 12:35:12Z dom_dwd_user
89	! - Added safety-meassure to catch the case that 'bio_mrt_av' is stated after 'bio_<index>' in the
90	! output section of the p3d file.
91	!
92	! 3739 2019-02-13 08:05:17Z dom_dwd_user
93	! - Auto-adjusting thermal_comfort flag if not set by user, but thermal_indices set as output
94	! quantities.
95	! - Renamed flags "bio_<index>" to "do_calculate_<index>" for better readability
96	! - Removed everything related to "time_bio_results" as this is never used.
97	! - Moved humidity warning to check_data_output.
98	! - Fixed bug in mrt calculation introduced with my commit yesterday.
99	!
100	! 3735 2019-02-12 09:52:40Z dom_dwd_user
101	! - Fixed auto-setting of thermal index calculation flags by output as originally proposed by
102	! resler.
103	! - removed bio_pet and outher configuration variables.
104	! - Updated namelist.
105	!
106	! 3711 2019-01-31 13:44:26Z knoop
107	! Introduced interface routine bio_init_checks + small error message changes
108	!
109	! 3693 2019-01-23 15:20:53Z dom_dwd_user
110	! Added usage of time_averaged mean radiant temperature, together with calculation, grid and restart
111	! routines. General cleanup and commenting.
112	!
113	! 3685 2019-01-21 01:02:11Z knoop
114	! Some interface calls moved to module_interface + cleanup
115	!
116	! 3650 2019-01-04 13:01:33Z kanani
117	! Bugfixes and additions for enabling restarts with biometeorology
118	!
119	! 3448 2018-10-29 18:14:31Z kanani
120	! Initial revision
121	!
122	!
123	!
124	! Authors:
125	! --------
126	! @author Dominik Froehlich <dominik.froehlich@dwd.de>, thermal indices
127	! @author Jaroslav Resler <resler@cs.cas.cz>, mean radiant temperature
128	! @author Michael Schrempf <schrempf@muk.uni-hannover.de>, uv exposure
129	!
130	!
131	! Description:
132	! ------------
133	!> Biometeorology module consisting of two parts:
134	!> 1.: Human thermal comfort module calculating thermal perception of a sample human being under the
135	!> current meteorological conditions.
136	!> 2.: Calculation of vitamin-D weighted UV exposure
137	!>
138	!> @todo Alphabetical sorting of "USE ..." lists, "ONLY" list, variable declarations
139	!> (per subroutine: first all CHARACTERs, then INTEGERs, LOGICALs, REALs, )
140	!> @todo Comments start with capital letter --> "!-- Include..."
141	!> @todo uv_vitd3dose-->new output type necessary (cumulative)
142	!> @todo consider upwelling radiation in UV
143	!>
144	!> @note nothing now
145	!>
146	!> @bug no known bugs by now
147	!--------------------------------------------------------------------------------------------------!
148	MODULE biometeorology_mod
149
150	USE arrays_3d, &
151	ONLY: pt, p, u, v, w, q
152
153	USE averaging, &
154	ONLY: pt_av, q_av, u_av, v_av, w_av
155
156	USE basic_constants_and_equations_mod, &
157	ONLY: degc_to_k, c_p, l_v, magnus, pi, sigma_sb
158
159	USE control_parameters, &
160	ONLY: average_count_3d, biometeorology, &
161	debug_output, &
162	dz, dz_stretch_factor, &
163	dz_stretch_level, humidity, initializing_actions, nz_do3d, &
164	restart_data_format_output, surface_pressure
165
166	USE grid_variables, &
167	ONLY: ddx, dx, ddy, dy
168
169	USE indices, &
170	ONLY: nxl, nxr, nys, nyn, nzb, nzt, nys, nyn, nxl, nxr, nxlg, nxrg, nysg, nyng, &
171	topo_top_ind
172
173	USE kinds !< Set precision of INTEGER and REAL arrays according to PALM
174
175	USE netcdf_data_input_mod, &
176	ONLY: building_obstruction_f, netcdf_data_input_uvem, uvem_integration_f, &
177	uvem_irradiance_f, uvem_projarea_f, uvem_radiance_f
178
179	USE palm_date_time_mod, &
180	ONLY: get_date_time
181	!
182	!-- Import radiation model to obtain input for mean radiant temperature
183	USE radiation_model_mod, &
184	ONLY: id, ix, iy, iz, mrt_include_sw, mrt_nlevels, &
185	mrtbl, mrtinlw, mrtinsw, nmrtbl, radiation, &
186	rad_lw_in, rad_lw_out, rad_sw_in, rad_sw_out, radiation_interactions
187
188	USE restart_data_mpi_io_mod, &
189	ONLY: rrd_mpi_io, &
190	rd_mpi_io_check_array, &
191	wrd_mpi_io
192
193
194	IMPLICIT NONE
195
196	!
197	!-- Declare all global variables within the module (alphabetical order)
198	REAL(wp), PARAMETER :: bio_fill_value = -9999.0_wp !< set module fill value, replace by global fill value as soon as available
199	REAL(wp), PARAMETER :: human_absorb = 0.7_wp !< SW absorbtivity of a human body (Fanger 1972)
200	REAL(wp), PARAMETER :: human_emiss = 0.97_wp !< LW emissivity of a human body after (Fanger 1972)
201
202	INTEGER(iwp) :: bio_cell_level !< cell level biom calculates for
203
204	LOGICAL :: thermal_comfort = .FALSE. !< Enables or disables the entire thermal comfort part
205	LOGICAL :: do_average_theta = .FALSE. !< switch: do theta averaging in this module? (if .FALSE. this is done globally)
206	LOGICAL :: do_average_q = .FALSE. !< switch: do e averaging in this module?
207	LOGICAL :: do_average_u = .FALSE. !< switch: do u averaging in this module?
208	LOGICAL :: do_average_v = .FALSE. !< switch: do v averaging in this module?
209	LOGICAL :: do_average_w = .FALSE. !< switch: do w averaging in this module?
210	LOGICAL :: do_average_mrt = .FALSE. !< switch: do mrt averaging in this module?
211	LOGICAL :: average_trigger_perct = .FALSE. !< update averaged input on call to bio_perct?
212	LOGICAL :: average_trigger_utci = .FALSE. !< update averaged input on call to bio_utci?
213	LOGICAL :: average_trigger_pet = .FALSE. !< update averaged input on call to bio_pet?
214	LOGICAL :: average_trigger_mrt = .FALSE. !< update averaged input on call to bio_pet?
215	LOGICAL :: do_calculate_perct = .FALSE. !< Turn index PT (instant. input) on or off
216	LOGICAL :: do_calculate_perct_av = .FALSE. !< Turn index PT (averaged input) on or off
217	LOGICAL :: do_calculate_pet = .FALSE. !< Turn index PET (instant. input) on or off
218	LOGICAL :: do_calculate_pet_av = .FALSE. !< Turn index PET (averaged input) on or off
219	LOGICAL :: do_calculate_utci = .FALSE. !< Turn index UTCI (instant. input) on or off
220	LOGICAL :: do_calculate_utci_av = .FALSE. !< Turn index UTCI (averaged input) on or off
221	LOGICAL :: do_calculate_mrt2d = .FALSE. !< Turn index MRT 2D (averaged or inst) on or off
222
223	REAL(wp) :: bio_output_height !< height output is calculated in m
224
225	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: perct !< PT results (degree_C)
226	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pet !< PET results (degree_C)
227	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: tmrt_grid !< tmrt results (degree_C)
228	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: utci !< UTCI results (degree_C)
229	!
230	!-- Grids for averaged thermal indices
231	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: perct_av !< PT results (aver. input) (degree_C)
232	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pet_av !< PET results (aver. input) (degree_C)
233	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: tmrt_av_grid !< tmrt results (degree_C)
234	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: utci_av !< UTCI results (aver. input) (degree_C)
235
236	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: mrt_av_grid !< time average mean radiant temperature
237
238	!
239	!-- UVEM parameters from here
240	INTEGER(iwp) :: ai = 0 !< loop index in azimuth direction
241	INTEGER(iwp) :: bi = 0 !< loop index of bit location within an 8bit-integer (one Byte)
242	INTEGER(iwp) :: bio_nmrtbl
243	INTEGER(iwp) :: clothing = 1 !< clothing (0=unclothed, 1=Arms,Hands,Face free, 3=Hand,Face free)
244	INTEGER(iwp) :: iq = 0 !< loop index of irradiance quantity
245	INTEGER(iwp) :: pobi = 0 !< loop index of the position of corresponding byte within ibset byte vektor
246	INTEGER(iwp) :: obstruction_direct_beam = 0 !< Obstruction information for direct beam
247	INTEGER(iwp) :: zi = 0 !< loop index in zenith direction
248
249	INTEGER(KIND=1), DIMENSION(0:44) :: obstruction_temp1 = 0 !< temporary obstruction information stored with ibset
250	INTEGER(iwp), DIMENSION(0:359) :: obstruction_temp2 = 0 !< restored temporary obstruction information from ibset file
251
252	INTEGER(iwp), DIMENSION(0:35,0:9) :: obstruction = 1 !< final 2D obstruction information array
253
254	LOGICAL :: consider_obstructions = .TRUE. !< namelist parameter (see documentation)
255	LOGICAL :: sun_in_south = .FALSE. !< namelist parameter (see documentation)
256	LOGICAL :: turn_to_sun = .TRUE. !< namelist parameter (see documentation)
257	LOGICAL :: uv_exposure = .FALSE. !< namelist parameter (see documentation)
258
259	REAL(wp) :: diffuse_exposure = 0.0_wp !< calculated exposure by diffuse radiation
260	REAL(wp) :: direct_exposure = 0.0_wp !< calculated exposure by direct solar beam
261	REAL(wp) :: orientation_angle = 0.0_wp !< orientation of front/face of the human model
262	REAL(wp) :: projection_area_direct_beam = 0.0_wp !< projection area for direct solar beam
263	REAL(wp) :: saa = 180.0_wp !< solar azimuth angle
264	REAL(wp) :: startpos_human = 0.0_wp !< start value for azimuth interpolation of human geometry array
265	REAL(wp) :: startpos_saa_float = 0.0_wp !< start value for azimuth interpolation of radiance array
266	REAL(wp) :: sza = 20.0_wp !< solar zenith angle
267	REAL(wp) :: xfactor = 0.0_wp !< relative x-position used for interpolation
268	REAL(wp) :: yfactor = 0.0_wp !< relative y-position used for interpolation
269
270	REAL(wp), DIMENSION(0:2) :: irradiance = 0.0_wp !< iradiance values extracted from irradiance lookup table
271
272	REAL(wp), DIMENSION(0:2,0:90) :: irradiance_lookup_table = 0.0_wp !< irradiance lookup table
273	REAL(wp), DIMENSION(0:35,0:9) :: integration_array = 0.0_wp !< solid angle factors for hemispherical integration
274	REAL(wp), DIMENSION(0:35,0:9) :: projection_area = 0.0_wp !< projection areas of a human (all directions)
275	REAL(wp), DIMENSION(0:35,0:9) :: projection_area_lookup_table = 0.0_wp !< human geometry lookup table (projection areas)
276	REAL(wp), DIMENSION(0:71,0:9) :: projection_area_direct_temp = 0.0_wp !< temporary projection area for direct solar beam
277	REAL(wp), DIMENSION(0:71,0:9) :: projection_area_temp = 0.0_wp !< temporary projection area for all directions
278	REAL(wp), DIMENSION(0:35,0:9) :: radiance_array = 0.0_wp !< radiance extracted from radiance_lookup_table
279	REAL(wp), DIMENSION(0:71,0:9) :: radiance_array_temp = 0.0_wp !< temporary radiance data
280
281	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: vitd3_exposure !< result variable for instantaneous vitamin-D weighted exposures
282	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: vitd3_dose !< result variable for summation of vitamin-D weighted exposures
283
284	REAL(wp), DIMENSION(0:35,0:9,0:90) :: radiance_lookup_table = 0.0_wp !< radiance lookup table
285
286
287	PRIVATE
288
289	!
290	!-- INTERFACES that must be available to other modules (alphabetical order)
291	PUBLIC bio_3d_data_averaging, bio_calculate_mrt_grid, bio_calculate_thermal_index_maps, &
292	bio_calc_ipt, bio_check_data_output, bio_check_parameters, &
293	bio_data_output_2d, bio_data_output_3d, bio_define_netcdf_grid, &
294	bio_get_thermal_index_input_ij, bio_header, bio_init, bio_init_checks, bio_nmrtbl, &
295	bio_parin, bio_rrd_global, bio_rrd_local, bio_wrd_global, bio_wrd_local, thermal_comfort
296	!
297	!-- UVEM PUBLIC variables and methods
298	PUBLIC bio_calculate_uv_exposure, uv_exposure
299
300	!
301	!-- PALM interfaces:
302	!
303	!-- 3D averaging for HTCM _INPUT_ variables
304	INTERFACE bio_3d_data_averaging
305	MODULE PROCEDURE bio_3d_data_averaging
306	END INTERFACE bio_3d_data_averaging
307	!
308	!-- Calculate mtr from rtm fluxes and assign into 2D grid
309	INTERFACE bio_calculate_mrt_grid
310	MODULE PROCEDURE bio_calculate_mrt_grid
311	END INTERFACE bio_calculate_mrt_grid
312	!
313	!-- Calculate static thermal indices PT, UTCI and/or PET
314	INTERFACE bio_calculate_thermal_index_maps
315	MODULE PROCEDURE bio_calculate_thermal_index_maps
316	END INTERFACE bio_calculate_thermal_index_maps
317	!
318	!-- Calculate the dynamic index iPT (to be caled by the agent model)
319	INTERFACE bio_calc_ipt
320	MODULE PROCEDURE bio_calc_ipt
321	END INTERFACE bio_calc_ipt
322	!
323	!-- Data output checks for 2D/3D data to be done in check_parameters
324	INTERFACE bio_check_data_output
325	MODULE PROCEDURE bio_check_data_output
326	END INTERFACE bio_check_data_output
327	!
328	!-- Input parameter checks to be done in check_parameters
329	INTERFACE bio_check_parameters
330	MODULE PROCEDURE bio_check_parameters
331	END INTERFACE bio_check_parameters
332	!
333	!-- Data output of 2D quantities
334	INTERFACE bio_data_output_2d
335	MODULE PROCEDURE bio_data_output_2d
336	END INTERFACE bio_data_output_2d
337	!
338	!-- no 3D data, thus, no averaging of 3D data, removed
339	INTERFACE bio_data_output_3d
340	MODULE PROCEDURE bio_data_output_3d
341	END INTERFACE bio_data_output_3d
342	!
343	!-- Definition of data output quantities
344	INTERFACE bio_define_netcdf_grid
345	MODULE PROCEDURE bio_define_netcdf_grid
346	END INTERFACE bio_define_netcdf_grid
347	!
348	!-- Obtains all relevant input values to estimate local thermal comfort/stress
349	INTERFACE bio_get_thermal_index_input_ij
350	MODULE PROCEDURE bio_get_thermal_index_input_ij
351	END INTERFACE bio_get_thermal_index_input_ij
352	!
353	!-- Output of information to the header file
354	INTERFACE bio_header
355	MODULE PROCEDURE bio_header
356	END INTERFACE bio_header
357	!
358	!-- Initialization actions
359	INTERFACE bio_init
360	MODULE PROCEDURE bio_init
361	END INTERFACE bio_init
362	!
363	!-- Initialization checks
364	INTERFACE bio_init_checks
365	MODULE PROCEDURE bio_init_checks
366	END INTERFACE bio_init_checks
367	!
368	!-- Reading of NAMELIST parameters
369	INTERFACE bio_parin
370	MODULE PROCEDURE bio_parin
371	END INTERFACE bio_parin
372	!
373	!-- Read global restart parameters
374	INTERFACE bio_rrd_global
375	MODULE PROCEDURE bio_rrd_global_ftn
376	MODULE PROCEDURE bio_rrd_global_mpi
377	END INTERFACE bio_rrd_global
378	!
379	!-- Read local restart parameters
380	INTERFACE bio_rrd_local
381	MODULE PROCEDURE bio_rrd_local_ftn
382	MODULE PROCEDURE bio_rrd_local_mpi
383	END INTERFACE bio_rrd_local
384	!
385	!-- Write global restart parameters
386	INTERFACE bio_wrd_global
387	MODULE PROCEDURE bio_wrd_global
388	END INTERFACE bio_wrd_global
389	!
390	!-- Write local restart parameters
391	INTERFACE bio_wrd_local
392	MODULE PROCEDURE bio_wrd_local
393	END INTERFACE bio_wrd_local
394	!
395	!-- Calculate UV exposure grid
396	INTERFACE bio_calculate_uv_exposure
397	MODULE PROCEDURE bio_calculate_uv_exposure
398	END INTERFACE bio_calculate_uv_exposure
399
400	CONTAINS
401
402
403	!--------------------------------------------------------------------------------------------------!
404	! Description:
405	! ------------
406	!> Sum up and time-average biom input quantities as well as allocate the array necessary for storing
407	!> the average.
408	!> There is a considerable difference to the 3d_data_averaging subroutines used by other modules:
409	!> For the thermal indices, the module needs to average the input conditions, not the result!
410	!--------------------------------------------------------------------------------------------------!
411	SUBROUTINE bio_3d_data_averaging( mode, variable )
412
413	IMPLICIT NONE
414
415	CHARACTER (LEN=*) :: mode !< Averaging mode: allocate, sum, or average
416	CHARACTER (LEN=*) :: variable !< The variable in question
417
418	INTEGER(iwp) :: i !< Running index, x-direction
419	INTEGER(iwp) :: j !< Running index, y-direction
420	INTEGER(iwp) :: k !< Running index, z-direction
421	INTEGER(iwp) :: l !< index used to link radiation arrays to 3d grid arrays
422
423
424	IF ( mode == 'allocate' ) THEN
425
426	SELECT CASE ( TRIM( variable ) )
427
428	CASE ( 'bio_mrt' )
429
430	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
431	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
432	ENDIF
433	mrt_av_grid = 0.0_wp
434	do_average_mrt = .FALSE. !< Overwrite if that was enabled somehow
435
436
437	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
438
439	!
440	!-- Averaging, as well as the allocation of the required grids must be done only once,
441	!-- independent of for how many thermal indices averaged output is desired.
442	!-- Therefore we need to memorize which index is the one that controls the averaging
443	!-- (what must be the first thermal index called).
444	!-- Indices are in unknown order as depending on the input file, determine first index to
445	!-- average und update only once.
446	!
447	!-- Only proceed here if this was not done for any index before. This is done only once
448	!-- during the whole model run.
449	IF ( .NOT. average_trigger_perct .AND. &
450	.NOT. average_trigger_utci .AND. &
451	.NOT. average_trigger_pet .AND. &
452	.NOT. average_trigger_mrt ) THEN
453	!
454	!-- Memorize the first index called to control averaging
455	IF ( TRIM( variable ) == 'bio_perct*' ) THEN
456	average_trigger_perct = .TRUE.
457	ENDIF
458	IF ( TRIM( variable ) == 'bio_utci*' ) THEN
459	average_trigger_utci = .TRUE.
460	ENDIF
461	IF ( TRIM( variable ) == 'bio_pet*' ) THEN
462	average_trigger_pet = .TRUE.
463	ENDIF
464	IF ( TRIM( variable ) == 'bio_mrt*' ) THEN
465	average_trigger_mrt = .TRUE.
466	ENDIF
467	ENDIF
468	!
469	!-- Allocation of the input _av grids was moved to the "sum" section to make sure averaging
470	!-- is only done once!
471
472	CASE ( 'uvem_vitd3dose*' )
473
474	IF ( .NOT. ALLOCATED( vitd3_dose ) ) THEN
475	ALLOCATE( vitd3_dose(nysg:nyng,nxlg:nxrg) )
476	ENDIF
477	vitd3_dose = 0.0_wp
478
479	CASE DEFAULT
480	CONTINUE
481
482	END SELECT
483
484	ELSEIF ( mode == 'sum' ) THEN
485
486	SELECT CASE ( TRIM( variable ) )
487
488	CASE ( 'bio_mrt' )
489	!
490	!-- Consider the case 'bio_mrt' is called after some thermal index. In that case
491	! do_average_mrt will be .TRUE. leading to a double-averaging.
492	IF ( .NOT. do_average_mrt .AND. ALLOCATED( mrt_av_grid ) ) THEN
493
494	IF ( mrt_include_sw ) THEN
495	DO l = 1, nmrtbl
496	i = mrtbl(ix,l)
497	j = mrtbl(iy,l)
498	k = mrtbl(iz,l)
499	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
500	( ( human_absorb * mrtinsw(l) + &
501	mrtinlw(l) ) / ( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
502	ENDDO
503	ELSE
504	DO l = 1, nmrtbl
505	i = mrtbl(ix,l)
506	j = mrtbl(iy,l)
507	k = mrtbl(iz,l)
508	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
509	( mrtinlw(l) / ( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
510	ENDDO
511	ENDIF
512	ENDIF
513
514	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
515	!
516	!-- Only continue if the current index is the one to trigger the input averaging, see
517	!-- above.
518	IF ( average_trigger_perct .AND. TRIM( variable ) /= 'bio_perct*') RETURN
519	IF ( average_trigger_utci .AND. TRIM( variable ) /= 'bio_utci*' ) RETURN
520	IF ( average_trigger_pet .AND. TRIM( variable ) /= 'bio_pet*' ) RETURN
521	IF ( average_trigger_mrt .AND. TRIM( variable ) /= 'bio_mrt*' ) RETURN
522	!
523	!-- Now memorize which of the input grids are not averaged by other modules. Set averaging
524	!-- switch to .TRUE. and allocate the respective grid in that case.
525	IF ( .NOT. ALLOCATED( pt_av ) ) THEN !< if not averaged by other module
526	ALLOCATE( pt_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
527	do_average_theta = .TRUE. !< memorize, that bio is responsible
528	pt_av = 0.0_wp
529	ENDIF
530	IF ( ALLOCATED( pt_av ) .AND. do_average_theta ) THEN
531	DO i = nxl, nxr
532	DO j = nys, nyn
533	DO k = nzb, nzt+1
534	pt_av(k,j,i) = pt_av(k,j,i) + pt(k,j,i)
535	ENDDO
536	ENDDO
537	ENDDO
538	ENDIF
539
540	IF ( .NOT. ALLOCATED( q_av ) ) THEN
541	ALLOCATE( q_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
542	do_average_q = .TRUE.
543	q_av = 0.0_wp
544	ENDIF
545	IF ( ALLOCATED( q_av ) .AND. do_average_q ) THEN
546	DO i = nxl, nxr
547	DO j = nys, nyn
548	DO k = nzb, nzt+1
549	q_av(k,j,i) = q_av(k,j,i) + q(k,j,i)
550	ENDDO
551	ENDDO
552	ENDDO
553	ENDIF
554
555	!
556	!-- u_av, v_av and w_av are always allocated
557	IF ( .NOT. ALLOCATED( u_av ) ) THEN
558	ALLOCATE( u_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
559	do_average_u = .TRUE.
560	u_av = 0.0_wp
561	ENDIF
562	IF ( ALLOCATED( u_av ) .AND. do_average_u ) THEN
563	DO i = nxlg, nxrg !< yes, ghost points are required here!
564	DO j = nysg, nyng
565	DO k = nzb, nzt+1
566	u_av(k,j,i) = u_av(k,j,i) + u(k,j,i)
567	ENDDO
568	ENDDO
569	ENDDO
570	ENDIF
571
572	IF ( .NOT. ALLOCATED( v_av ) ) THEN
573	ALLOCATE( v_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
574	do_average_v = .TRUE.
575	v_av = 0.0_wp
576	ENDIF
577	IF ( ALLOCATED( v_av ) .AND. do_average_v ) THEN
578	DO i = nxlg, nxrg !< yes, ghost points are required here!
579	DO j = nysg, nyng
580	DO k = nzb, nzt+1
581	v_av(k,j,i) = v_av(k,j,i) + v(k,j,i)
582	ENDDO
583	ENDDO
584	ENDDO
585	ENDIF
586
587	IF ( .NOT. ALLOCATED( w_av ) ) THEN
588	ALLOCATE( w_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
589	do_average_w = .TRUE.
590	w_av = 0.0_wp
591	ENDIF
592	IF ( ALLOCATED( w_av ) .AND. do_average_w ) THEN
593	DO i = nxlg, nxrg !< yes, ghost points are required here!
594	DO j = nysg, nyng
595	DO k = nzb, nzt+1
596	w_av(k,j,i) = w_av(k,j,i) + w(k,j,i)
597	ENDDO
598	ENDDO
599	ENDDO
600	ENDIF
601
602	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
603	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
604	do_average_mrt = .TRUE.
605	mrt_av_grid = 0.0_wp
606	ENDIF
607	IF ( ALLOCATED( mrt_av_grid ) .AND. do_average_mrt ) THEN
608
609	IF ( mrt_include_sw ) THEN
610	DO l = 1, nmrtbl
611	i = mrtbl(ix,l)
612	j = mrtbl(iy,l)
613	k = mrtbl(iz,l)
614	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
615	( ( human_absorb * mrtinsw(l) + &
616	mrtinlw(l) ) / &
617	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
618	ENDDO
619	ELSE
620	DO l = 1, nmrtbl
621	i = mrtbl(ix,l)
622	j = mrtbl(iy,l)
623	k = mrtbl(iz,l)
624	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) + &
625	( mrtinlw(l) / &
626	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
627	ENDDO
628	ENDIF
629	ENDIF
630	!
631	!-- This is a cumulated dose. No mode == 'average' for this quantity.
632	CASE ( 'uvem_vitd3dose*' )
633	IF ( ALLOCATED( vitd3_dose ) ) THEN
634	DO i = nxlg, nxrg
635	DO j = nysg, nyng
636	vitd3_dose(j,i) = vitd3_dose(j,i) + vitd3_exposure(j,i)
637	ENDDO
638	ENDDO
639	ENDIF
640
641	CASE DEFAULT
642	CONTINUE
643
644	END SELECT
645
646	ELSEIF ( mode == 'average' ) THEN
647
648	SELECT CASE ( TRIM( variable ) )
649
650	CASE ( 'bio_mrt' )
651	!
652	!-- Consider the case 'bio_mrt' is called after some thermal index. In that case
653	!-- do_average_mrt will be .TRUE. leading to a double-averaging.
654	IF ( .NOT. do_average_mrt .AND. ALLOCATED( mrt_av_grid ) ) THEN
655	DO i = nxl, nxr
656	DO j = nys, nyn
657	DO k = nzb, nzt+1
658	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) / REAL( average_count_3d, KIND=wp )
659	ENDDO
660	ENDDO
661	ENDDO
662	ENDIF
663
664	CASE ( 'bio_perct', 'bio_utci', 'bio_pet', 'bio_mrt' )
665	!
666	!-- Only continue if update index, see above
667	IF ( average_trigger_perct .AND. &
668	TRIM( variable ) /= 'bio_perct*' ) RETURN
669	IF ( average_trigger_utci .AND. &
670	TRIM( variable ) /= 'bio_utci*' ) RETURN
671	IF ( average_trigger_pet .AND. &
672	TRIM( variable ) /= 'bio_pet*' ) RETURN
673	IF ( average_trigger_mrt .AND. &
674	TRIM( variable ) /= 'bio_mrt*' ) RETURN
675
676	IF ( ALLOCATED( pt_av ) .AND. do_average_theta ) THEN
677	DO i = nxl, nxr
678	DO j = nys, nyn
679	DO k = nzb, nzt+1
680	pt_av(k,j,i) = pt_av(k,j,i) / REAL( average_count_3d, KIND = wp )
681	ENDDO
682	ENDDO
683	ENDDO
684	ENDIF
685
686	IF ( ALLOCATED( q_av ) .AND. do_average_q ) THEN
687	DO i = nxl, nxr
688	DO j = nys, nyn
689	DO k = nzb, nzt+1
690	q_av(k,j,i) = q_av(k,j,i) / REAL( average_count_3d, KIND = wp )
691	ENDDO
692	ENDDO
693	ENDDO
694	ENDIF
695
696	IF ( ALLOCATED( u_av ) .AND. do_average_u ) THEN
697	DO i = nxlg, nxrg !< yes, ghost points are required here!
698	DO j = nysg, nyng
699	DO k = nzb, nzt+1
700	u_av(k,j,i) = u_av(k,j,i) / REAL( average_count_3d, KIND = wp )
701	ENDDO
702	ENDDO
703	ENDDO
704	ENDIF
705
706	IF ( ALLOCATED( v_av ) .AND. do_average_v ) THEN
707	DO i = nxlg, nxrg
708	DO j = nysg, nyng
709	DO k = nzb, nzt+1
710	v_av(k,j,i) = v_av(k,j,i) / REAL( average_count_3d, KIND = wp )
711	ENDDO
712	ENDDO
713	ENDDO
714	ENDIF
715
716	IF ( ALLOCATED( w_av ) .AND. do_average_w ) THEN
717	DO i = nxlg, nxrg
718	DO j = nysg, nyng
719	DO k = nzb, nzt+1
720	w_av(k,j,i) = w_av(k,j,i) / REAL( average_count_3d, KIND = wp )
721	ENDDO
722	ENDDO
723	ENDDO
724	ENDIF
725
726	IF ( ALLOCATED( mrt_av_grid ) .AND. do_average_mrt ) THEN
727	DO i = nxl, nxr
728	DO j = nys, nyn
729	DO k = nzb, nzt+1
730	mrt_av_grid(k,j,i) = mrt_av_grid(k,j,i) / REAL( average_count_3d, KIND=wp )
731	ENDDO
732	ENDDO
733	ENDDO
734	ENDIF
735
736	!
737	!-- No averaging for UVEM SINce we are calculating a dose (only sum is calculated and saved to
738	!-- av.nc file)
739	END SELECT
740
741	ENDIF
742
743
744	END SUBROUTINE bio_3d_data_averaging
745
746
747
748	!--------------------------------------------------------------------------------------------------!
749	! Description:
750	! ------------
751	!> Check data output for biometeorology model
752	!--------------------------------------------------------------------------------------------------!
753	SUBROUTINE bio_check_data_output( var, unit, i, j, ilen, k )
754
755	USE control_parameters, &
756	ONLY: data_output, message_string
757
758	IMPLICIT NONE
759
760	CHARACTER (LEN=*) :: unit !< The unit for the variable var
761	CHARACTER (LEN=*) :: var !< The variable in question
762
763	INTEGER(iwp), INTENT(IN) :: i !< Current element of data_output
764	INTEGER(iwp), INTENT(IN) :: j !< Average quantity? 0 = no, 1 = yes
765	INTEGER(iwp), INTENT(IN) :: ilen !< Length of current entry in data_output
766	INTEGER(iwp), INTENT(IN) :: k !< Output is xy mode? 0 = no, 1 = yes
767
768	SELECT CASE ( TRIM( var ) )
769	!
770	!-- Allocate a temporary array with the desired output dimensions.
771	!-- Arrays for time-averaged thermal indices are also allocated here because they are not running
772	!-- through the standard averaging procedure in bio_3d_data_averaging as the values of the
773	!-- averaged thermal indices are derived in a SINgle step based on priorly averaged arrays (see
774	!-- bio_calculate_thermal_index_maps).
775	CASE ( 'bio_mrt', 'bio_mrt*' )
776	unit = 'degree_C'
777	thermal_comfort = .TRUE. !< enable thermal_comfort if user forgot to do so
778	IF ( .NOT. ALLOCATED( tmrt_grid ) ) THEN
779	ALLOCATE( tmrt_grid (nys:nyn,nxl:nxr) )
780	tmrt_grid = REAL( bio_fill_value, KIND = wp )
781	ENDIF
782	IF ( TRIM( var ) == 'bio_mrt*' ) THEN
783	do_calculate_mrt2d = .TRUE.
784	END IF
785
786	CASE ( 'bio_perct*' )
787	unit = 'degree_C'
788	thermal_comfort = .TRUE.
789	IF ( j == 0 ) THEN !< if instantaneous input
790	do_calculate_perct = .TRUE.
791	IF ( .NOT. ALLOCATED( perct ) ) THEN
792	ALLOCATE( perct (nys:nyn,nxl:nxr) )
793	perct = REAL( bio_fill_value, KIND = wp )
794	ENDIF
795	ELSE !< if averaged input
796	do_calculate_perct_av = .TRUE.
797	IF ( .NOT. ALLOCATED( perct_av ) ) THEN
798	ALLOCATE( perct_av (nys:nyn,nxl:nxr) )
799	perct_av = REAL( bio_fill_value, KIND = wp )
800	ENDIF
801	ENDIF
802
803	CASE ( 'bio_utci*' )
804	unit = 'degree_C'
805	thermal_comfort = .TRUE.
806	IF ( j == 0 ) THEN
807	do_calculate_utci = .TRUE.
808	IF ( .NOT. ALLOCATED( utci ) ) THEN
809	ALLOCATE( utci (nys:nyn,nxl:nxr) )
810	utci = REAL( bio_fill_value, KIND = wp )
811	ENDIF
812	ELSE
813	do_calculate_utci_av = .TRUE.
814	IF ( .NOT. ALLOCATED( utci_av ) ) THEN
815	ALLOCATE( utci_av (nys:nyn,nxl:nxr) )
816	utci_av = REAL( bio_fill_value, KIND = wp )
817	ENDIF
818	ENDIF
819
820	CASE ( 'bio_pet*' )
821	unit = 'degree_C'
822	thermal_comfort = .TRUE.
823	IF ( j == 0 ) THEN
824	do_calculate_pet = .TRUE.
825	IF ( .NOT. ALLOCATED( pet ) ) THEN
826	ALLOCATE( pet (nys:nyn,nxl:nxr) )
827	pet = REAL( bio_fill_value, KIND = wp )
828	ENDIF
829	ELSE
830	do_calculate_pet_av = .TRUE.
831	IF ( .NOT. ALLOCATED( pet_av ) ) THEN
832	ALLOCATE( pet_av (nys:nyn,nxl:nxr) )
833	pet_av = REAL( bio_fill_value, KIND = wp )
834	ENDIF
835	ENDIF
836
837
838	CASE ( 'uvem_vitd3*' )
839	! IF ( .NOT. uv_exposure ) THEN
840	! message_string = 'output of "' // TRIM( var ) // '" requi' // &
841	! 'res a namelist &uvexposure_par'
842	! CALL message( 'uvem_check_data_output', 'UV0001', 1, 2, 0, 6, 0 )
843	! ENDIF
844	IF ( k == 0 .OR. data_output(i)(ilen-2:ilen) /= '_xy' ) THEN
845	message_string = 'illegal value for data_output: "' // &
846	TRIM( var ) // '" & only 2d-horizontal ' // &
847	'cross sections are allowed for this value'
848	CALL message( 'check_parameters', 'PA0111', 1, 2, 0, 6, 0 )
849	ENDIF
850	unit = 'IU/s'
851	IF ( .NOT. ALLOCATED( vitd3_exposure ) ) THEN
852	ALLOCATE( vitd3_exposure(nysg:nyng,nxlg:nxrg) )
853	ENDIF
854	vitd3_exposure = 0.0_wp
855
856	CASE ( 'uvem_vitd3dose*' )
857	! IF ( .NOT. uv_exposure ) THEN
858	! message_string = 'output of "' // TRIM( var ) // '" requi' // &
859	! 'res a namelist &uvexposure_par'
860	! CALL message( 'uvem_check_data_output', 'UV0001', 1, 2, 0, 6, 0 )
861	! ENDIF
862	IF ( k == 0 .OR. data_output(i)(ilen-2:ilen) /= '_xy' ) THEN
863	message_string = 'illegal value for data_output: "' // &
864	TRIM( var ) // '" & only 2d-horizontal ' // &
865	'cross sections are allowed for this value'
866	CALL message( 'check_parameters', 'PA0111', 1, 2, 0, 6, 0 )
867	ENDIF
868	unit = 'IU/av-h'
869	IF ( .NOT. ALLOCATED( vitd3_dose ) ) THEN
870	ALLOCATE( vitd3_dose(nysg:nyng,nxlg:nxrg) )
871	ENDIF
872	vitd3_dose = 0.0_wp
873
874	CASE DEFAULT
875	unit = 'illegal'
876
877	END SELECT
878
879	!
880	!-- Further checks if thermal comfort output is desired.
881	IF ( thermal_comfort .AND. unit == 'degree_C' ) THEN
882	!
883	!-- Break if required modules "radiation" is not available.
884	IF ( .NOT. radiation ) THEN
885	message_string = 'output of "' // TRIM( var ) // '" require' // 's radiation = .TRUE.'
886	CALL message( 'check_parameters', 'PA0509', 1, 2, 0, 6, 0 )
887	unit = 'illegal'
888	ENDIF
889	!
890	!-- All "thermal_comfort" outputs except from 'bio_mrt' will also need humidity input. Check
891	!-- also for that.
892	IF ( TRIM( var ) /= 'bio_mrt' ) THEN
893	IF ( .NOT. humidity ) THEN
894	message_string = 'The estimation of thermal comfort ' // &
895	'requires air humidity information, but ' // &
896	'humidity module is disabled!'
897	CALL message( 'check_parameters', 'PA0561', 1, 2, 0, 6, 0 )
898	unit = 'illegal'
899	ENDIF
900	ENDIF
901
902
903	ENDIF
904
905	END SUBROUTINE bio_check_data_output
906
907	!--------------------------------------------------------------------------------------------------!
908	! Description:
909	! ------------
910	!> Check parameters routine for biom module
911	!> Currently unused but might come in handy for future checks?
912	!--------------------------------------------------------------------------------------------------!
913	SUBROUTINE bio_check_parameters
914
915
916	IMPLICIT NONE
917
918
919	END SUBROUTINE bio_check_parameters
920
921
922	!--------------------------------------------------------------------------------------------------!
923	! Description:
924	! ------------
925	!> Subroutine defining 2D output variables
926	!> data_output_2d 1188ff
927	!--------------------------------------------------------------------------------------------------!
928	SUBROUTINE bio_data_output_2d( av, variable, found, grid, local_pf, two_d, nzb_do, nzt_do)
929
930
931	USE kinds
932
933
934	IMPLICIT NONE
935	!
936	!-- Input variables
937	CHARACTER (LEN=*), INTENT(IN) :: variable !< Char identifier to select var for output
938	INTEGER(iwp), INTENT(IN) :: av !< Use averaged data? 0 = no, 1 = yes?
939	INTEGER(iwp), INTENT(IN) :: nzb_do !< Unused. 2D. nz bottom to nz top
940	INTEGER(iwp), INTENT(IN) :: nzt_do !< Unused.
941	!
942	!-- Output variables
943	CHARACTER (LEN=*), INTENT(OUT) :: grid !< Grid type (always "zu1" for biom)
944
945	LOGICAL, INTENT(OUT) :: found !< Output found?
946	LOGICAL, INTENT(OUT) :: two_d !< Flag parameter that indicates 2D variables,
947	!< horizontal cross sections, must be .TRUE. for thermal indices and uv
948	REAL(wp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< Temp. result grid to return
949	!
950	!-- Internal variables
951	INTEGER(iwp) :: i !< Running index, x-dir
952	INTEGER(iwp) :: j !< Running index, y-dir
953	INTEGER(iwp) :: k !< Running index, z-dir
954	INTEGER(iwp) :: l !< Running index, radiation grid
955
956
957	found = .TRUE.
958	local_pf = bio_fill_value
959
960	SELECT CASE ( TRIM( variable ) )
961
962
963	CASE ( 'bio_mrt_xy' )
964	grid = 'zu1'
965	two_d = .FALSE. !< can be calculated for several levels
966	local_pf = REAL( bio_fill_value, KIND = wp )
967	DO l = 1, nmrtbl
968	i = mrtbl(ix,l)
969	j = mrtbl(iy,l)
970	k = mrtbl(iz,l)
971	IF ( k < nzb_do .OR. k > nzt_do .OR. j < nys .OR. &
972	j > nyn .OR. i < nxl .OR. i > nxr ) CYCLE
973	IF ( av == 0 ) THEN
974	IF ( mrt_include_sw ) THEN
975	local_pf(i,j,k) = ( ( human_absorb * mrtinsw(l) + &
976	mrtinlw(l) ) / &
977	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
978	ELSE
979	local_pf(i,j,k) = ( mrtinlw(l) / &
980	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k
981	ENDIF
982	ELSE
983	local_pf(i,j,k) = mrt_av_grid(k,j,i)
984	ENDIF
985	ENDDO
986
987	CASE ( 'bio_mrt*_xy' ) ! 2d-array
988	grid = 'zu1'
989	two_d = .TRUE.
990	IF ( av == 0 ) THEN
991	DO i = nxl, nxr
992	DO j = nys, nyn
993	local_pf(i,j,nzb+1) = tmrt_grid(j,i)
994	ENDDO
995	ENDDO
996	ELSE
997	DO i = nxl, nxr
998	DO j = nys, nyn
999	local_pf(i,j,nzb+1) = tmrt_av_grid(j,i)
1000	ENDDO
1001	ENDDO
1002	ENDIF
1003
1004
1005	CASE ( 'bio_perct*_xy' ) ! 2d-array
1006	grid = 'zu1'
1007	two_d = .TRUE.
1008	IF ( av == 0 ) THEN
1009	DO i = nxl, nxr
1010	DO j = nys, nyn
1011	local_pf(i,j,nzb+1) = perct(j,i)
1012	ENDDO
1013	ENDDO
1014	ELSE
1015	DO i = nxl, nxr
1016	DO j = nys, nyn
1017	local_pf(i,j,nzb+1) = perct_av(j,i)
1018	ENDDO
1019	ENDDO
1020	ENDIF
1021
1022
1023	CASE ( 'bio_utci*_xy' ) ! 2d-array
1024	grid = 'zu1'
1025	two_d = .TRUE.
1026	IF ( av == 0 ) THEN
1027	DO i = nxl, nxr
1028	DO j = nys, nyn
1029	local_pf(i,j,nzb+1) = utci(j,i)
1030	ENDDO
1031	ENDDO
1032	ELSE
1033	DO i = nxl, nxr
1034	DO j = nys, nyn
1035	local_pf(i,j,nzb+1) = utci_av(j,i)
1036	ENDDO
1037	ENDDO
1038	ENDIF
1039
1040
1041	CASE ( 'bio_pet*_xy' ) ! 2d-array
1042	grid = 'zu1'
1043	two_d = .TRUE.
1044	IF ( av == 0 ) THEN
1045	DO i = nxl, nxr
1046	DO j = nys, nyn
1047	local_pf(i,j,nzb+1) = pet(j,i)
1048	ENDDO
1049	ENDDO
1050	ELSE
1051	DO i = nxl, nxr
1052	DO j = nys, nyn
1053	local_pf(i,j,nzb+1) = pet_av(j,i)
1054	ENDDO
1055	ENDDO
1056	ENDIF
1057
1058	!
1059	!-- Before data is transfered to local_pf, transfer is in 2D dummy variable and exchange ghost
1060	!-- points therein. However, at this point this is only required for instantaneous arrays,
1061	!-- time-averaged quantities are already exchanged.
1062	CASE ( 'uvem_vitd3*_xy' ) ! 2d-array
1063	IF ( av == 0 ) THEN
1064	DO i = nxl, nxr
1065	DO j = nys, nyn
1066	local_pf(i,j,nzb+1) = vitd3_exposure(j,i)
1067	ENDDO
1068	ENDDO
1069	ENDIF
1070
1071	two_d = .TRUE.
1072	grid = 'zu1'
1073
1074	CASE ( 'uvem_vitd3dose*_xy' ) ! 2d-array
1075	IF ( av == 1 ) THEN
1076	DO i = nxl, nxr
1077	DO j = nys, nyn
1078	local_pf(i,j,nzb+1) = vitd3_dose(j,i)
1079	ENDDO
1080	ENDDO
1081	ENDIF
1082
1083	two_d = .TRUE.
1084	grid = 'zu1'
1085
1086
1087	CASE DEFAULT
1088	found = .FALSE.
1089	grid = 'none'
1090
1091	END SELECT
1092
1093
1094	END SUBROUTINE bio_data_output_2d
1095
1096
1097	!--------------------------------------------------------------------------------------------------!
1098	! Description:
1099	! ------------
1100	!> Subroutine defining 3D output variables (dummy, always 2d!)
1101	!> data_output_3d 709ff
1102	!--------------------------------------------------------------------------------------------------!
1103	SUBROUTINE bio_data_output_3d( av, variable, found, local_pf, nzb_do, nzt_do )
1104
1105	USE indices
1106
1107	USE kinds
1108
1109
1110	IMPLICIT NONE
1111	!
1112	!-- Input variables
1113	CHARACTER (LEN=*), INTENT(IN) :: variable !< Char identifier to select var for output
1114
1115	INTEGER(iwp), INTENT(IN) :: av !< Use averaged data? 0 = no, 1 = yes?
1116	INTEGER(iwp), INTENT(IN) :: nzb_do !< Unused. 2D. nz bottom to nz top
1117	INTEGER(iwp), INTENT(IN) :: nzt_do !< Unused.
1118	!
1119	!-- Output variables
1120	LOGICAL, INTENT(OUT) :: found !< Output found?
1121
1122	REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do) :: local_pf !< Temp. result grid to return
1123	!
1124	!-- Internal variables
1125	INTEGER(iwp) :: l !< Running index, radiation grid
1126	INTEGER(iwp) :: i !< Running index, x-dir
1127	INTEGER(iwp) :: j !< Running index, y-dir
1128	INTEGER(iwp) :: k !< Running index, z-dir
1129
1130	! REAL(wp) :: mrt !< Buffer for mean radiant temperature
1131
1132	found = .TRUE.
1133
1134	SELECT CASE ( TRIM( variable ) )
1135
1136	CASE ( 'bio_mrt' )
1137	local_pf = REAL( bio_fill_value, KIND = sp )
1138	DO l = 1, nmrtbl
1139	i = mrtbl(ix,l)
1140	j = mrtbl(iy,l)
1141	k = mrtbl(iz,l)
1142	IF ( k < nzb_do .OR. k > nzt_do .OR. j < nys .OR. &
1143	j > nyn .OR. i < nxl .OR. i > nxr ) CYCLE
1144	IF ( av == 0 ) THEN
1145	IF ( mrt_include_sw ) THEN
1146	local_pf(i,j,k) = REAL( ( ( human_absorb * mrtinsw(l) + &
1147	mrtinlw(l) ) / &
1148	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k, &
1149	KIND = sp )
1150	ELSE
1151	local_pf(i,j,k) = REAL( ( mrtinlw(l) / &
1152	( human_emiss * sigma_sb ) )**0.25_wp - degc_to_k, &
1153	KIND = sp )
1154	ENDIF
1155	ELSE
1156	local_pf(i,j,k) = REAL( mrt_av_grid(k,j,i), KIND = sp )
1157	ENDIF
1158	ENDDO
1159
1160	CASE DEFAULT
1161	found = .FALSE.
1162
1163	END SELECT
1164
1165	END SUBROUTINE bio_data_output_3d
1166
1167	!--------------------------------------------------------------------------------------------------!
1168	! Description:
1169	! ------------
1170	!> Subroutine defining appropriate grid for netcdf variables.
1171	!> It is called out from subroutine netcdf_interface_mod.
1172	!> netcdf_interface_mod 918ff
1173	!--------------------------------------------------------------------------------------------------!
1174	SUBROUTINE bio_define_netcdf_grid( var, found, grid_x, grid_y, grid_z )
1175
1176	IMPLICIT NONE
1177	!
1178	!-- Input variables
1179	CHARACTER (LEN=*), INTENT(IN) :: var !< Name of output variable
1180	!
1181	!-- Output variables
1182	CHARACTER (LEN=*), INTENT(OUT) :: grid_x !< x grid of output variable
1183	CHARACTER (LEN=*), INTENT(OUT) :: grid_y !< y grid of output variable
1184	CHARACTER (LEN=*), INTENT(OUT) :: grid_z !< z grid of output variable
1185
1186	LOGICAL, INTENT(OUT) :: found !< Flag if output var is found
1187	!
1188	!-- Local variables
1189	INTEGER(iwp) :: l !< Length of the var array
1190
1191	LOGICAL :: is2d !< Var is 2d?
1192
1193	found = .FALSE.
1194	grid_x = 'none'
1195	grid_y = 'none'
1196	grid_z = 'none'
1197
1198	l = MAX( 2, LEN_TRIM( var ) )
1199	is2d = ( var(l-1:l) == 'xy' )
1200
1201	IF ( var(1:4) == 'bio_' ) THEN
1202	found = .TRUE.
1203	grid_x = 'x'
1204	grid_y = 'y'
1205	grid_z = 'zu'
1206	IF ( is2d .AND. var(1:7) /= 'bio_mrt' ) grid_z = 'zu1'
1207	ENDIF
1208
1209	IF ( is2d .AND. var(1:4) == 'uvem' ) THEN
1210	grid_x = 'x'
1211	grid_y = 'y'
1212	grid_z = 'zu1'
1213	ENDIF
1214
1215	END SUBROUTINE bio_define_netcdf_grid
1216
1217	!--------------------------------------------------------------------------------------------------!
1218	! Description:
1219	! ------------
1220	!> Header output for biom module
1221	!> header 982
1222	!--------------------------------------------------------------------------------------------------!
1223	SUBROUTINE bio_header( io )
1224
1225	IMPLICIT NONE
1226	!
1227	!-- Input variables
1228	INTEGER(iwp), INTENT(IN) :: io !< Unit of the output file
1229	!
1230	!-- Internal variables
1231	CHARACTER (LEN=86) :: output_height_chr !< String for output height
1232
1233	WRITE( output_height_chr, '(F8.1,7X)' ) bio_output_height
1234	!
1235	!-- Write biom header
1236	WRITE( io, 1 )
1237	WRITE( io, 2 ) TRIM( output_height_chr )
1238	WRITE( io, 3 ) TRIM( ACHAR( bio_cell_level ) )
1239
1240	1 FORMAT (//' Human thermal comfort module information:'/ &
1241	' ------------------------------'/)
1242	2 FORMAT (' --> All indices calculated for a height of (m): ', A )
1243	3 FORMAT (' --> This corresponds to cell level : ', A )
1244
1245	END SUBROUTINE bio_header
1246
1247
1248	!--------------------------------------------------------------------------------------------------!
1249	! Description:
1250	! ------------
1251	!> Initialization of the HTCM
1252	!> init_3d_model 1987ff
1253	!--------------------------------------------------------------------------------------------------!
1254	SUBROUTINE bio_init
1255
1256	USE netcdf_data_input_mod, &
1257	ONLY: netcdf_data_input_uvem
1258
1259	IMPLICIT NONE
1260	!
1261	!-- Internal vriables
1262	REAL ( wp ) :: height !< current height in meters
1263
1264	IF ( debug_output ) CALL debug_message( 'bio_init', 'start' )
1265	!
1266	!-- Determine cell level corresponding to 1.1 m above ground level (gravimetric center of sample
1267	!-- human)
1268
1269	bio_cell_level = 0_iwp
1270	bio_output_height = 0.5_wp * dz(1)
1271	height = 0.0_wp
1272
1273	bio_cell_level = INT( 1.099_wp / dz(1) )
1274	bio_output_height = bio_output_height + bio_cell_level * dz(1)
1275	!
1276	!-- Set radiation level if not done by user
1277	IF ( mrt_nlevels == 0 ) THEN
1278	mrt_nlevels = bio_cell_level + 1_iwp
1279	ENDIF
1280	!
1281	!-- Init UVEM and load lookup tables
1282	IF ( uv_exposure ) CALL netcdf_data_input_uvem
1283
1284	IF ( debug_output ) CALL debug_message( 'bio_init', 'end' )
1285
1286	END SUBROUTINE bio_init
1287
1288
1289	!--------------------------------------------------------------------------------------------------!
1290	! Description:
1291	! ------------
1292	!> Checks done after the Initialization
1293	!--------------------------------------------------------------------------------------------------!
1294	SUBROUTINE bio_init_checks
1295
1296	USE control_parameters, &
1297	ONLY: message_string
1298
1299	IF ( (.NOT. radiation_interactions) .AND. ( thermal_comfort ) ) THEN
1300	message_string = 'The mrt calculation requires ' // &
1301	'enabled radiation_interactions but it ' // &
1302	'is disabled!'
1303	CALL message( 'bio_init_checks', 'PAHU03', 1, 2, 0, 6, 0 )
1304	ENDIF
1305
1306
1307	END SUBROUTINE bio_init_checks
1308
1309
1310	!--------------------------------------------------------------------------------------------------!
1311	! Description:
1312	! ------------
1313	!> Parin for &biometeorology_parameters for reading biomet parameters
1314	!--------------------------------------------------------------------------------------------------!
1315	SUBROUTINE bio_parin
1316
1317	IMPLICIT NONE
1318
1319	!
1320	!-- Internal variables
1321	CHARACTER (LEN=80) :: line !< Dummy string for current line in parameter file
1322
1323	NAMELIST /biometeorology_parameters/ clothing, &
1324	consider_obstructions, &
1325	orientation_angle, &
1326	sun_in_south, &
1327	thermal_comfort, &
1328	turn_to_sun, &
1329	uv_exposure
1330
1331
1332	!-- Try to find biometeorology_parameters namelist
1333	REWIND ( 11 )
1334	line = ' '
1335	DO WHILE ( INDEX( line, '&biometeorology_parameters' ) == 0 )
1336	READ ( 11, '(A)', END = 20 ) line
1337	ENDDO
1338	BACKSPACE ( 11 )
1339
1340	!
1341	!-- Read biometeorology_parameters namelist
1342	READ ( 11, biometeorology_parameters, ERR = 10, END = 20 )
1343
1344	!
1345	!-- Set flag that indicates that the biomet_module is switched on
1346	biometeorology = .TRUE.
1347
1348	GOTO 20
1349
1350	!
1351	!-- In case of error
1352	10 BACKSPACE( 11 )
1353	READ( 11 , '(A)') line
1354	CALL parin_fail_message( 'biometeorology_parameters', line )
1355
1356	!
1357	!-- Complete
1358	20 CONTINUE
1359
1360
1361	END SUBROUTINE bio_parin
1362
1363	!--------------------------------------------------------------------------------------------------!
1364	! Description:
1365	! ------------
1366	!> Read module-specific global restart data (Fortran binary format).
1367	!--------------------------------------------------------------------------------------------------!
1368	SUBROUTINE bio_rrd_global_ftn( found )
1369
1370	USE control_parameters, &
1371	ONLY: length, restart_string
1372
1373
1374	IMPLICIT NONE
1375
1376	LOGICAL, INTENT(OUT) :: found !< variable found? yes = .T., no = .F.
1377
1378	found = .TRUE.
1379
1380
1381	SELECT CASE ( restart_string(1:length) )
1382
1383	!
1384	!-- Read control flags to determine if input grids need to be averaged.
1385	CASE ( 'do_average_theta' )
1386	READ ( 13 ) do_average_theta
1387
1388	CASE ( 'do_average_q' )
1389	READ ( 13 ) do_average_q
1390
1391	CASE ( 'do_average_u' )
1392	READ ( 13 ) do_average_u
1393
1394	CASE ( 'do_average_v' )
1395	READ ( 13 ) do_average_v
1396
1397	CASE ( 'do_average_w' )
1398	READ ( 13 ) do_average_w
1399
1400	CASE ( 'do_average_mrt' )
1401	READ ( 13 ) do_average_mrt
1402
1403	!
1404	!-- Read control flags to determine which thermal index needs to trigger averaging.
1405	CASE ( 'average_trigger_perct' )
1406	READ ( 13 ) average_trigger_perct
1407
1408	CASE ( 'average_trigger_utci' )
1409	READ ( 13 ) average_trigger_utci
1410
1411	CASE ( 'average_trigger_pet' )
1412	READ ( 13 ) average_trigger_pet
1413
1414	CASE ( 'average_trigger_mrt' )
1415	READ ( 13 ) average_trigger_mrt
1416
1417
1418	CASE DEFAULT
1419
1420	found = .FALSE.
1421
1422	END SELECT
1423
1424
1425	END SUBROUTINE bio_rrd_global_ftn
1426
1427
1428	!--------------------------------------------------------------------------------------------------!
1429	! Description:
1430	! ------------
1431	!> Read module-specific global restart data (MPI-IO).
1432	!--------------------------------------------------------------------------------------------------!
1433	SUBROUTINE bio_rrd_global_mpi
1434
1435
1436	!
1437	!-- Read control flags to determine if input grids need to be averaged
1438	CALL rrd_mpi_io( 'do_average_theta', do_average_theta )
1439	CALL rrd_mpi_io( 'do_average_q', do_average_q )
1440	CALL rrd_mpi_io( 'do_average_u', do_average_u )
1441	CALL rrd_mpi_io( 'do_average_v', do_average_v )
1442	CALL rrd_mpi_io( 'do_average_w', do_average_w )
1443	CALL rrd_mpi_io( 'do_average_mrt', do_average_mrt )
1444	!
1445	!-- Rad control flags to determine which thermal index needs to trigger averaging
1446	CALL rrd_mpi_io( 'average_trigger_perct', average_trigger_perct )
1447	CALL rrd_mpi_io( 'average_trigger_utci', average_trigger_utci )
1448	CALL rrd_mpi_io( 'average_trigger_pet', average_trigger_pet )
1449	CALL rrd_mpi_io( 'average_trigger_mrt', average_trigger_mrt )
1450
1451	END SUBROUTINE bio_rrd_global_mpi
1452
1453
1454	!--------------------------------------------------------------------------------------------------!
1455	! Description:
1456	! ------------
1457	!> Read module-specific local restart data arrays (Fortran binary format).
1458	!--------------------------------------------------------------------------------------------------!
1459	SUBROUTINE bio_rrd_local_ftn( found )
1460
1461
1462	USE control_parameters, &
1463	ONLY: length, restart_string
1464
1465
1466	IMPLICIT NONE
1467
1468
1469	LOGICAL, INTENT(OUT) :: found !< variable found? yes = .TRUE., no = .FALSE.
1470
1471	found = .TRUE.
1472
1473
1474	SELECT CASE ( restart_string(1:length) )
1475
1476	CASE ( 'mrt_av_grid' )
1477	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) THEN
1478	ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1479	mrt_av_grid = 0.0_wp
1480	ENDIF
1481	READ ( 13 ) mrt_av_grid
1482
1483	CASE DEFAULT
1484
1485	found = .FALSE.
1486
1487	END SELECT
1488
1489
1490	END SUBROUTINE bio_rrd_local_ftn
1491
1492
1493	!------------------------------------------------------------------------------!
1494	! Description:
1495	! ------------
1496	!> Read module-specific local restart data arrays (Fortran binary format).
1497	!------------------------------------------------------------------------------!
1498	SUBROUTINE bio_rrd_local_mpi
1499
1500	USE control_parameters
1501
1502	USE indices
1503
1504	USE kinds
1505
1506
1507	IMPLICIT NONE
1508
1509	LOGICAL :: array_found !<
1510
1511	CALL rd_mpi_io_check_array( 'mrt_av_grid' , found = array_found )
1512	IF ( array_found ) THEN
1513	IF ( .NOT. ALLOCATED( mrt_av_grid ) ) ALLOCATE( mrt_av_grid(nzb:nzt+1,nysg:nyng,nxlg:nxrg) )
1514	CALL rrd_mpi_io( 'mrt_av_grid', mrt_av_grid )
1515	ENDIF
1516
1517	END SUBROUTINE bio_rrd_local_mpi
1518
1519
1520	!--------------------------------------------------------------------------------------------------!
1521	! Description:
1522	! ------------
1523	!> Write global restart data for the biometeorology module.
1524	!--------------------------------------------------------------------------------------------------!
1525	SUBROUTINE bio_wrd_global
1526
1527	IF ( TRIM( restart_data_format_output ) == 'fortran_binary' ) THEN
1528
1529	CALL wrd_write_string( 'do_average_theta' )
1530	WRITE ( 14 ) do_average_theta
1531	CALL wrd_write_string( 'do_average_q' )
1532	WRITE ( 14 ) do_average_q
1533	CALL wrd_write_string( 'do_average_u' )
1534	WRITE ( 14 ) do_average_u
1535	CALL wrd_write_string( 'do_average_v' )
1536	WRITE ( 14 ) do_average_v
1537	CALL wrd_write_string( 'do_average_w' )
1538	WRITE ( 14 ) do_average_w
1539	CALL wrd_write_string( 'do_average_mrt' )
1540	WRITE ( 14 ) do_average_mrt
1541	CALL wrd_write_string( 'average_trigger_perct' )
1542	WRITE ( 14 ) average_trigger_perct
1543	CALL wrd_write_string( 'average_trigger_utci' )
1544	WRITE ( 14 ) average_trigger_utci
1545	CALL wrd_write_string( 'average_trigger_pet' )
1546	WRITE ( 14 ) average_trigger_pet
1547	CALL wrd_write_string( 'average_trigger_mrt' )
1548	WRITE ( 14 ) average_trigger_mrt
1549
1550	ELSEIF ( TRIM( restart_data_format_output(1:3) ) == 'mpi' ) THEN
1551
1552	CALL wrd_mpi_io( 'do_average_theta', do_average_theta )
1553	CALL wrd_mpi_io( 'do_average_q', do_average_q )
1554	CALL wrd_mpi_io( 'do_average_u', do_average_u )
1555	CALL wrd_mpi_io( 'do_average_v', do_average_v )
1556	CALL wrd_mpi_io( 'do_average_w', do_average_w )
1557	CALL wrd_mpi_io( 'do_average_mrt', do_average_mrt )
1558	CALL wrd_mpi_io( 'average_trigger_perct', average_trigger_perct )
1559	CALL wrd_mpi_io( 'average_trigger_utci', average_trigger_utci )
1560	CALL wrd_mpi_io( 'average_trigger_pet', average_trigger_pet )
1561	CALL wrd_mpi_io( 'average_trigger_mrt', average_trigger_mrt )
1562
1563	ENDIF
1564
1565	END SUBROUTINE bio_wrd_global
1566
1567
1568	!--------------------------------------------------------------------------------------------------!
1569	! Description:
1570	! ------------
1571	!> Write local restart data for the biometeorology module.
1572	!--------------------------------------------------------------------------------------------------!
1573	SUBROUTINE bio_wrd_local
1574
1575	IF ( TRIM( restart_data_format_output ) == 'fortran_binary' ) THEN
1576
1577	IF ( ALLOCATED( mrt_av_grid ) ) THEN
1578	CALL wrd_write_string( 'mrt_av_grid' )
1579	WRITE ( 14 ) mrt_av_grid
1580	ENDIF
1581
1582	ELSEIF ( TRIM( restart_data_format_output(1:3) ) == 'mpi' ) THEN
1583
1584	IF ( ALLOCATED( mrt_av_grid ) ) CALL wrd_mpi_io( 'mrt_av_grid', mrt_av_grid )
1585
1586	ENDIF
1587
1588	END SUBROUTINE bio_wrd_local
1589
1590	!--------------------------------------------------------------------------------------------------!
1591	! Description:
1592	! ------------
1593	!> Calculate biometeorology MRT for all 2D grid
1594	!--------------------------------------------------------------------------------------------------!
1595	SUBROUTINE bio_calculate_mrt_grid ( av )
1596
1597	IMPLICIT NONE
1598
1599	LOGICAL, INTENT(IN) :: av !< use averaged input?
1600	!
1601	!-- Internal variables
1602	INTEGER(iwp) :: i !< Running index, x-dir, radiation coordinates
1603	INTEGER(iwp) :: j !< Running index, y-dir, radiation coordinates
1604	INTEGER(iwp) :: k !< Running index, y-dir, radiation coordinates
1605	INTEGER(iwp) :: l !< Running index, radiation coordinates
1606
1607
1608	!
1609	!-- We need to differentiate if averaged input is desired (av == .TRUE.) or not.
1610	IF ( av ) THEN
1611	!
1612	!-- Make sure tmrt_av_grid is present and initialize with the fill value
1613	IF ( .NOT. ALLOCATED( tmrt_av_grid ) ) THEN
1614	ALLOCATE( tmrt_av_grid(nys:nyn,nxl:nxr) )
1615	ENDIF
1616	tmrt_av_grid = REAL( bio_fill_value, KIND = wp )
1617
1618	!
1619	!-- mrt_av_grid should always be allcoated here, but better make sure ist actually is.
1620	IF ( ALLOCATED( mrt_av_grid ) ) THEN
1621	!
1622	!-- Iterate over the radiation grid (radiation coordinates) and fill the tmrt_av_grid
1623	!-- (x, y coordinates) where appropriate: tmrt_av_grid is written for all i / j if level (k)
1624	!-- matches output height.
1625	DO l = 1, nmrtbl
1626	i = mrtbl(ix,l)
1627	j = mrtbl(iy,l)
1628	k = mrtbl(iz,l)
1629	IF ( k - topo_top_ind(j,i,0) == bio_cell_level + 1_iwp) THEN
1630	!
1631	!-- Averaging was done before, so we can just copy the result here.
1632	tmrt_av_grid(j,i) = mrt_av_grid(k,j,i)
1633
1634	ENDIF
1635	ENDDO
1636	ENDIF
1637
1638	!
1639	!-- In case instantaneous input is desired, mrt values will be re-calculated.
1640	ELSE
1641	!
1642	!-- Calculate biometeorology MRT from local radiation fluxes calculated by RTM and assign into 2D
1643	!-- grid. Depending on selected output quantities, tmrt_grid might not have been allocated in
1644	!-- bio_check_data_output yet.
1645	IF ( .NOT. ALLOCATED( tmrt_grid ) ) THEN
1646	ALLOCATE( tmrt_grid (nys:nyn,nxl:nxr) )
1647	ENDIF
1648	tmrt_grid = REAL( bio_fill_value, KIND = wp )
1649
1650	DO l = 1, nmrtbl
1651	i = mrtbl(ix,l)
1652	j = mrtbl(iy,l)
1653	k = mrtbl(iz,l)
1654	IF ( k - topo_top_ind(j,i,0) == bio_cell_level + 1_iwp) THEN
1655	IF ( mrt_include_sw ) THEN
1656	tmrt_grid(j,i) = ( ( human_absorb * mrtinsw(l) + &
1657	mrtinlw(l) ) / &
1658	( human_emiss * sigma_sb ) )**0.25_wp - &
1659	degc_to_k
1660	ELSE
1661	tmrt_grid(j,i) = ( mrtinlw(l) / &
1662	( human_emiss * sigma_sb ) )**0.25_wp - &
1663	degc_to_k
1664	ENDIF
1665	ENDIF
1666	ENDDO
1667	ENDIF
1668
1669	END SUBROUTINE bio_calculate_mrt_grid
1670
1671
1672	!--------------------------------------------------------------------------------------------------!
1673	! Description:
1674	! ------------
1675	!> Calculate static thermal indices for 2D grid point i, j
1676	!--------------------------------------------------------------------------------------------------!
1677	SUBROUTINE bio_get_thermal_index_input_ij( average_input, i, j, ta, vp, ws, pair, tmrt )
1678
1679	IMPLICIT NONE
1680	!
1681	!-- Input variables
1682	LOGICAL, INTENT ( IN ) :: average_input !< Determine averaged input conditions?
1683	INTEGER(iwp), INTENT ( IN ) :: i !< Running index, x-dir
1684	INTEGER(iwp), INTENT ( IN ) :: j !< Running index, y-dir
1685	!
1686	!-- Output parameters
1687	REAL(wp), INTENT ( OUT ) :: pair !< Air pressure (hPa)
1688	REAL(wp), INTENT ( OUT ) :: ta !< Air temperature (degree_C)
1689	REAL(wp), INTENT ( OUT ) :: tmrt !< Mean radiant temperature (degree_C)
1690	REAL(wp), INTENT ( OUT ) :: vp !< Vapour pressure (hPa)
1691	REAL(wp), INTENT ( OUT ) :: ws !< Wind speed (local level) (m/s)
1692	!
1693	!-- Internal variables
1694	INTEGER(iwp) :: k !< Running index, z-dir
1695	INTEGER(iwp) :: k_wind !< Running index, z-dir, wind speed only
1696
1697	REAL(wp) :: vp_sat !< Saturation vapor pressure (hPa)
1698
1699	!
1700	!-- Determine cell level closest to 1.1m above ground by making use of truncation due to int cast.
1701	k = INT( topo_top_ind(j,i,0) + bio_cell_level ) !< Vertical cell center closest to 1.1m
1702
1703	!
1704	!-- Avoid non-representative horizontal u and v of 0.0 m/s too close to ground
1705	k_wind = k
1706	IF ( bio_cell_level < 1_iwp ) THEN
1707	k_wind = k + 1_iwp
1708	ENDIF
1709	!
1710	!-- Determine local values:
1711	IF ( average_input ) THEN
1712	!
1713	!-- Calculate ta from Tp assuming dry adiabatic laps rate
1714	ta = bio_fill_value
1715	IF ( ALLOCATED( pt_av ) ) THEN
1716	ta = pt_av(k,j,i) - ( 0.0098_wp * dz(1) * ( k + 0.5_wp ) ) - degc_to_k
1717	ENDIF
1718
1719	vp = bio_fill_value
1720	IF ( humidity .AND. ALLOCATED( q_av ) ) THEN
1721	vp = q_av(k,j,i)
1722	ENDIF
1723
1724	ws = bio_fill_value
1725	IF ( ALLOCATED( u_av ) .AND. ALLOCATED( v_av ) .AND. &
1726	ALLOCATED( w_av ) ) THEN
1727	ws = ( 0.5_wp * ABS( u_av(k_wind,j,i) + u_av(k_wind,j,i+1) ) + &
1728	0.5_wp * ABS( v_av(k_wind,j,i) + v_av(k_wind,j+1,i) ) + &
1729	0.5_wp * ABS( w_av(k_wind,j,i) + w_av(k_wind+1,j,i) ) )
1730	ENDIF
1731	ELSE
1732	!
1733	!-- Calculate ta from Tp assuming dry adiabatic laps rate
1734	ta = pt(k,j,i) - ( 0.0098_wp * dz(1) * ( k + 0.5_wp ) ) - degc_to_k
1735
1736	vp = bio_fill_value
1737	IF ( humidity ) THEN
1738	vp = q(k,j,i)
1739	ENDIF
1740
1741	ws = ( 0.5_wp * ABS( u(k_wind,j,i) + u(k_wind,j,i+1) ) + &
1742	0.5_wp * ABS( v(k_wind,j,i) + v(k_wind,j+1,i) ) + &
1743	0.5_wp * ABS( w(k_wind,j,i) + w(k_wind+1,j,i) ) )
1744
1745	ENDIF
1746	!
1747	!-- Local air pressure
1748	pair = surface_pressure
1749	!
1750	!-- Calculate water vapour pressure at saturation and convert to hPa.
1751	!-- The magnus formula is limited to temperatures up to 333.15 K to avoid negative values of vp_sat.
1752	IF ( vp > -998.0_wp ) THEN
1753	vp_sat = 0.01_wp * magnus( MIN( ta + degc_to_k, 333.15_wp ) )
1754	vp = vp * pair / ( vp + 0.622_wp )
1755	IF ( vp > vp_sat ) vp = vp_sat
1756	ENDIF
1757	!
1758	!-- Local mtr value at [i,j]
1759	tmrt = bio_fill_value !< this can be a valid result (e.g. for inside some ostacle)
1760	IF ( .NOT. average_input ) THEN
1761	!
1762	!-- Use MRT from RTM precalculated in tmrt_grid
1763	tmrt = tmrt_grid(j,i)
1764	ELSE
1765	tmrt = tmrt_av_grid(j,i)
1766	ENDIF
1767
1768	END SUBROUTINE bio_get_thermal_index_input_ij
1769
1770
1771	!--------------------------------------------------------------------------------------------------!
1772	! Description:
1773	! ------------
1774	!> Calculate static thermal indices for any point within a 2D grid time_integration.f90: 1065ff
1775	!--------------------------------------------------------------------------------------------------!
1776	SUBROUTINE bio_calculate_thermal_index_maps( av )
1777
1778	IMPLICIT NONE
1779	!
1780	!-- Input attributes
1781	LOGICAL, INTENT ( IN ) :: av !< Calculate based on averaged input conditions?
1782	!
1783	!-- Internal variables
1784	INTEGER(iwp) :: i, j !< Running index
1785
1786	REAL(wp) :: clo !< Clothing index (no dimension)
1787	REAL(wp) :: pair !< Air pressure (hPa)
1788	REAL(wp) :: perct_ij !< Perceived temperature (degree_C)
1789	REAL(wp) :: pet_ij !< Physiologically equivalent temperature (degree_C)
1790	REAL(wp) :: ta !< Air temperature (degree_C)
1791	REAL(wp) :: tmrt_ij !< Mean radiant temperature (degree_C)
1792	REAL(wp) :: utci_ij !< Universal thermal climate index (degree_C)
1793	REAL(wp) :: vp !< Vapour pressure (hPa)
1794	REAL(wp) :: ws !< Wind speed (local level) (m/s)
1795
1796	!
1797	!-- Check if some thermal index is desired. Don't do anything if, e.g. only bio_mrt is desired.
1798	IF ( do_calculate_perct .OR. do_calculate_perct_av .OR. do_calculate_utci .OR. &
1799	do_calculate_utci_av .OR. do_calculate_pet .OR. do_calculate_pet_av .OR. &
1800	do_calculate_mrt2d ) THEN
1801
1802	!
1803	!-- fill out the MRT 2D grid from appropriate source (RTM, RRTMG,...)
1804	CALL bio_calculate_mrt_grid ( av )
1805
1806	DO i = nxl, nxr
1807	DO j = nys, nyn
1808	!
1809	!-- Determine local input conditions
1810	tmrt_ij = bio_fill_value
1811	vp = bio_fill_value
1812	!
1813	!-- Determine local meteorological conditions
1814	CALL bio_get_thermal_index_input_ij ( av, i, j, ta, vp, ws, pair, tmrt_ij )
1815	!
1816	!-- Only proceed if input is available
1817	pet_ij = bio_fill_value !< set fail value, e.g. valid for
1818	perct_ij = bio_fill_value !< within some obstacle
1819	utci_ij = bio_fill_value
1820	IF ( .NOT. ( tmrt_ij <= -998.0_wp .OR. vp <= -998.0_wp .OR. ws <= -998.0_wp .OR.&
1821	ta <= -998.0_wp ) ) THEN
1822	!
1823	!-- Calculate static thermal indices based on local tmrt
1824	clo = bio_fill_value
1825
1826	IF ( do_calculate_perct .OR. do_calculate_perct_av ) THEN
1827	!
1828	!-- Estimate local perceived temperature
1829	CALL calculate_perct_static( ta, vp, ws, tmrt_ij, pair, clo, perct_ij )
1830	ENDIF
1831
1832	IF ( do_calculate_utci .OR. do_calculate_utci_av ) THEN
1833	!
1834	!-- Estimate local universal thermal climate index
1835	CALL calculate_utci_static( ta, vp, ws, tmrt_ij, bio_output_height, utci_ij )
1836	ENDIF
1837
1838	IF ( do_calculate_pet .OR. do_calculate_pet_av ) THEN
1839	!
1840	!-- Estimate local physiologically equivalent temperature
1841	CALL calculate_pet_static( ta, vp, ws, tmrt_ij, pair, pet_ij )
1842	ENDIF
1843	ENDIF
1844
1845
1846	IF ( av ) THEN
1847	!
1848	!-- Write results for selected averaged indices
1849	IF ( do_calculate_perct_av ) THEN
1850	perct_av(j, i) = perct_ij
1851	ENDIF
1852	IF ( do_calculate_utci_av ) THEN
1853	utci_av(j, i) = utci_ij
1854	ENDIF
1855	IF ( do_calculate_pet_av ) THEN
1856	pet_av(j, i) = pet_ij
1857	ENDIF
1858	ELSE
1859	!
1860	!-- Write result for selected indices
1861	IF ( do_calculate_perct ) THEN
1862	perct(j, i) = perct_ij
1863	ENDIF
1864	IF ( do_calculate_utci ) THEN
1865	utci(j, i) = utci_ij
1866	ENDIF
1867	IF ( do_calculate_pet ) THEN
1868	pet(j, i) = pet_ij
1869	ENDIF
1870	ENDIF
1871
1872	ENDDO
1873	ENDDO
1874	ENDIF
1875
1876	END SUBROUTINE bio_calculate_thermal_index_maps
1877
1878	!--------------------------------------------------------------------------------------------------!
1879	! Description:
1880	! ------------
1881	!> Calculate dynamic thermal indices (currently only iPT, but expandable)
1882	!--------------------------------------------------------------------------------------------------!
1883	SUBROUTINE bio_calc_ipt( ta, vp, ws, pair, tmrt, dt, energy_storage, t_clo, clo, actlev, age, &
1884	weight, height, work, sex, ipt )
1885
1886	IMPLICIT NONE
1887	!
1888	!-- Input parameters
1889	INTEGER(iwp), INTENT ( IN ) :: sex !< Sex of agent (1 = male, 2 = female)
1890
1891	REAL(wp), INTENT ( IN ) :: age !< Age of agent (y)
1892	REAL(wp), INTENT ( IN ) :: dt !< Time past SINce last calculation (s)
1893	REAL(wp), INTENT ( IN ) :: height !< Height of agent (m)
1894	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
1895	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
1896	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
1897	REAL(wp), INTENT ( IN ) :: vp !< Vapour pressure (hPa)
1898	REAL(wp), INTENT ( IN ) :: weight !< Weight of agent (Kg)
1899	REAL(wp), INTENT ( IN ) :: work !< Mechanical workload of agent (without metabolism!) (W)
1900	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (local level) (m/s)
1901
1902	!
1903	!-- Both, input and output parameters
1904	Real(wp), INTENT ( INOUT ) :: actlev !< Individuals activity level
1905	!< per unit surface area (W/mÂ²)
1906	Real(wp), INTENT ( INOUT ) :: clo !< Current clothing in sulation
1907	Real(wp), INTENT ( INOUT ) :: energy_storage !< Energy storage (W/mÂ²)
1908	Real(wp), INTENT ( INOUT ) :: t_clo !< Clothing temperature (degree_C)
1909	!
1910	!-- Output parameters
1911	REAL(wp), INTENT ( OUT ) :: ipt !< Instationary perceived temp. (degree_C)
1912	!
1913	!-- Return immediatelly if nothing to do!
1914	IF ( .NOT. thermal_comfort ) THEN
1915	RETURN
1916	ENDIF
1917	!
1918	!-- If clo equals the initial value, this is the initial call
1919	IF ( clo <= -998.0_wp ) THEN
1920	!
1921	!-- Initialize instationary perceived temperature with personalized PT as an initial guess, set
1922	!-- actlev and clo
1923	CALL ipt_init( age, weight, height, sex, work, actlev, clo, ta, vp, ws, tmrt, pair, dt, &
1924	energy_storage, t_clo, ipt )
1925	ELSE
1926	!
1927	!-- Estimate local instatinoary perceived temperature
1928	CALL ipt_cycle ( ta, vp, ws, tmrt, pair, dt, energy_storage, t_clo, clo, actlev, work, ipt )
1929	ENDIF
1930
1931	END SUBROUTINE bio_calc_ipt
1932
1933
1934
1935	!--------------------------------------------------------------------------------------------------!
1936	! Description:
1937	! ------------
1938	!> SUBROUTINE for calculating UTCI Temperature (UTCI)
1939	!> computed by a 6th order approximation
1940	!>
1941	!> UTCI regression equation according to
1942	!> BrÃ¶de P, Fiala D, Blazejczyk K, HolmÃ©r I, Jendritzky G, Kampmann B, Tinz B, Havenith G (2012)
1943	!> Deriving the operational procedure for the Universal Thermal Climate Index (UTCI). International
1944	!> Journal of Biometeorology 56 (3):481-494. doi:10.1007/s00484-011-0454-1
1945	!>
1946	!> original source available at:
1947	!> www.utci.org
1948	!--------------------------------------------------------------------------------------------------!
1949	SUBROUTINE calculate_utci_static( ta_in, vp, ws_hag, tmrt, hag, utci_ij )
1950
1951	IMPLICIT NONE
1952	!
1953	!-- Type of input of the argument list
1954	REAL(WP), INTENT ( IN ) :: hag !< Height of wind speed input (m)
1955	REAL(WP), INTENT ( IN ) :: ta_in !< Local air temperature (degree_C)
1956	REAL(WP), INTENT ( IN ) :: tmrt !< Local mean radiant temperature (degree_C)
1957	REAL(WP), INTENT ( IN ) :: vp !< Loacl vapour pressure (hPa)
1958	REAL(WP), INTENT ( IN ) :: ws_hag !< Incident wind speed (m/s)
1959	!
1960	!-- Type of output of the argument list
1961	REAL(WP) :: d_tmrt !< delta-tmrt (degree_C)
1962	REAL(WP) :: d_tmrt2 !< 2 times d_tmrt
1963	REAL(WP) :: d_tmrt3 !< 3 times d_tmrt
1964	REAL(WP) :: d_tmrt4 !< 4 times d_tmrt
1965	REAL(WP) :: d_tmrt5 !< 5 times d_tmrt
1966	REAL(WP) :: d_tmrt6 !< 6 times d_tmrt
1967	REAL(WP) :: offset !< utci deviation by ta cond. exceeded (degree_C)
1968	REAL(WP) :: pa !< air pressure in kPa (kPa)
1969	REAL(WP) :: pa2 !< 2 times pa
1970	REAL(WP) :: pa3 !< 3 times pa
1971	REAL(WP) :: pa4 !< 4 times pa
1972	REAL(WP) :: pa5 !< 5 times pa
1973	REAL(WP) :: pa6 !< 6 times pa
1974	REAL(WP) :: part_d_tmrt !< Mean radiant temp. related part of the reg.
1975	REAL(WP) :: part_pa !< Air pressure related part of the regression
1976	REAL(WP) :: part_pa2 !< Air pressure^2 related part of the regression
1977	REAL(WP) :: part_pa3 !< Air pressure^3 related part of the regression
1978	REAL(WP) :: part_pa46 !< Air pressure^4-6 related part of the regression
1979	REAL(WP) :: part_ta !< Air temperature related part of the regression
1980	REAL(WP) :: part_va !< Vapour pressure related part of the regression
1981	REAL(WP) :: ta !< air temperature modified by offset (degree_C)
1982	REAL(WP) :: ta2 !< 2 times ta
1983	REAL(WP) :: ta3 !< 3 times ta
1984	REAL(WP) :: ta4 !< 4 times ta
1985	REAL(WP) :: ta5 !< 5 times ta
1986	REAL(WP) :: ta6 !< 6 times ta
1987	REAL(WP) :: va !< wind speed at 10 m above ground level (m/s)
1988	REAL(WP) :: va2 !< 2 times va
1989	REAL(WP) :: va3 !< 3 times va
1990	REAL(WP) :: va4 !< 4 times va
1991	REAL(WP) :: va5 !< 5 times va
1992	REAL(WP) :: va6 !< 6 times va
1993
1994
1995	REAL(wp), INTENT ( OUT ) :: utci_ij !< Universal Thermal Climate Index (degree_C)
1996
1997	!
1998	!-- Initialize
1999	offset = 0.0_wp
2000	ta = ta_in
2001	d_tmrt = tmrt - ta_in
2002	!
2003	!-- Use vapour pressure in kpa
2004	pa = vp / 10.0_wp
2005	!
2006	!-- Wind altitude correction from hag to 10m after Broede et al. (2012), eq.3
2007	!-- z(0) is set to 0.01 according to UTCI profile definition
2008	va = ws_hag * log ( 10.0_wp / 0.01_wp ) / log ( hag / 0.01_wp )
2009	!
2010	!-- Check if input values in range after Broede et al. (2012)
2011	IF ( ( d_tmrt > 70.0_wp ) .OR. ( d_tmrt < -30.0_wp ) .OR. ( vp >= 50.0_wp ) ) THEN
2012	utci_ij = bio_fill_value
2013	RETURN
2014	ENDIF
2015	!
2016	!-- Apply eq. 2 in Broede et al. (2012) for ta out of bounds
2017	IF ( ta > 50.0_wp ) THEN
2018	offset = ta - 50.0_wp
2019	ta = 50.0_wp
2020	ENDIF
2021	IF ( ta < -50.0_wp ) THEN
2022	offset = ta + 50.0_wp
2023	ta = -50.0_wp
2024	ENDIF
2025	!
2026	!-- For routine application. For wind speeds and relative humidity values below 0.5 m/s or 5%,
2027	!-- respectively, the user is advised to use the lower bounds for the calculations.
2028	IF ( va < 0.5_wp ) va = 0.5_wp
2029	IF ( va > 17.0_wp ) va = 17.0_wp
2030
2031	!
2032	!-- Pre-calculate multiples of input parameters to save time later
2033	ta2 = ta * ta
2034	ta3 = ta2 * ta
2035	ta4 = ta3 * ta
2036	ta5 = ta4 * ta
2037	ta6 = ta5 * ta
2038
2039	va2 = va * va
2040	va3 = va2 * va
2041	va4 = va3 * va
2042	va5 = va4 * va
2043	va6 = va5 * va
2044
2045	d_tmrt2 = d_tmrt * d_tmrt
2046	d_tmrt3 = d_tmrt2 * d_tmrt
2047	d_tmrt4 = d_tmrt3 * d_tmrt
2048	d_tmrt5 = d_tmrt4 * d_tmrt
2049	d_tmrt6 = d_tmrt5 * d_tmrt
2050
2051	pa2 = pa * pa
2052	pa3 = pa2 * pa
2053	pa4 = pa3 * pa
2054	pa5 = pa4 * pa
2055	pa6 = pa5 * pa
2056
2057	!
2058	!-- Pre-calculate parts of the regression equation
2059	part_ta = ( 6.07562052e-01_wp ) + &
2060	( -2.27712343e-02_wp ) * ta + &
2061	( 8.06470249e-04_wp ) * ta2 + &
2062	( -1.54271372e-04_wp ) * ta3 + &
2063	( -3.24651735e-06_wp ) * ta4 + &
2064	( 7.32602852e-08_wp ) * ta5 + &
2065	( 1.35959073e-09_wp ) * ta6
2066
2067	part_va = ( -2.25836520e+00_wp ) * va + &
2068	( 8.80326035e-02_wp ) * ta * va + &
2069	( 2.16844454e-03_wp ) * ta2 * va + &
2070	( -1.53347087e-05_wp ) * ta3 * va + &
2071	( -5.72983704e-07_wp ) * ta4 * va + &
2072	( -2.55090145e-09_wp ) * ta5 * va + &
2073	( -7.51269505e-01_wp ) * va2 + &
2074	( -4.08350271e-03_wp ) * ta * va2 + &
2075	( -5.21670675e-05_wp ) * ta2 * va2 + &
2076	( 1.94544667e-06_wp ) * ta3 * va2 + &
2077	( 1.14099531e-08_wp ) * ta4 * va2 + &
2078	( 1.58137256e-01_wp ) * va3 + &
2079	( -6.57263143e-05_wp ) * ta * va3 + &
2080	( 2.22697524e-07_wp ) * ta2 * va3 + &
2081	( -4.16117031e-08_wp ) * ta3 * va3 + &
2082	( -1.27762753e-02_wp ) * va4 + &
2083	( 9.66891875e-06_wp ) * ta * va4 + &
2084	( 2.52785852e-09_wp ) * ta2 * va4 + &
2085	( 4.56306672e-04_wp ) * va5 + &
2086	( -1.74202546e-07_wp ) * ta * va5 + &
2087	( -5.91491269e-06_wp ) * va6
2088
2089	part_d_tmrt = ( 3.98374029e-01_wp ) * d_tmrt + &
2090	( 1.83945314e-04_wp ) * ta * d_tmrt + &
2091	( -1.73754510e-04_wp ) * ta2 * d_tmrt + &
2092	( -7.60781159e-07_wp ) * ta3 * d_tmrt + &
2093	( 3.77830287e-08_wp ) * ta4 * d_tmrt + &
2094	( 5.43079673e-10_wp ) * ta5 * d_tmrt + &
2095	( -2.00518269e-02_wp ) * va * d_tmrt + &
2096	( 8.92859837e-04_wp ) * ta * va * d_tmrt + &
2097	( 3.45433048e-06_wp ) * ta2 * va * d_tmrt + &
2098	( -3.77925774e-07_wp ) * ta3 * va * d_tmrt + &
2099	( -1.69699377e-09_wp ) * ta4 * va * d_tmrt + &
2100	( 1.69992415e-04_wp ) * va2 * d_tmrt + &
2101	( -4.99204314e-05_wp ) * ta * va2 * d_tmrt + &
2102	( 2.47417178e-07_wp ) * ta2 * va2 * d_tmrt + &
2103	( 1.07596466e-08_wp ) * ta3 * va2 * d_tmrt + &
2104	( 8.49242932e-05_wp ) * va3 * d_tmrt + &
2105	( 1.35191328e-06_wp ) * ta * va3 * d_tmrt + &
2106	( -6.21531254e-09_wp ) * ta2 * va3 * d_tmrt + &
2107	( -4.99410301e-06_wp ) * va4 * d_tmrt + &
2108	( -1.89489258e-08_wp ) * ta * va4 * d_tmrt + &
2109	( 8.15300114e-08_wp ) * va5 * d_tmrt + &
2110	( 7.55043090e-04_wp ) * d_tmrt2 + &
2111	( -5.65095215e-05_wp ) * ta * d_tmrt2 + &
2112	( -4.52166564e-07_wp ) * ta2 * d_tmrt2 + &
2113	( 2.46688878e-08_wp ) * ta3 * d_tmrt2 + &
2114	( 2.42674348e-10_wp ) * ta4 * d_tmrt2 + &
2115	( 1.54547250e-04_wp ) * va * d_tmrt2 + &
2116	( 5.24110970e-06_wp ) * ta * va * d_tmrt2 + &
2117	( -8.75874982e-08_wp ) * ta2 * va * d_tmrt2 + &
2118	( -1.50743064e-09_wp ) * ta3 * va * d_tmrt2 + &
2119	( -1.56236307e-05_wp ) * va2 * d_tmrt2 + &
2120	( -1.33895614e-07_wp ) * ta * va2 * d_tmrt2 + &
2121	( 2.49709824e-09_wp ) * ta2 * va2 * d_tmrt2 + &
2122	( 6.51711721e-07_wp ) * va3 * d_tmrt2 + &
2123	( 1.94960053e-09_wp ) * ta * va3 * d_tmrt2 + &
2124	( -1.00361113e-08_wp ) * va4 * d_tmrt2 + &
2125	( -1.21206673e-05_wp ) * d_tmrt3 + &
2126	( -2.18203660e-07_wp ) * ta * d_tmrt3 + &
2127	( 7.51269482e-09_wp ) * ta2 * d_tmrt3 + &
2128	( 9.79063848e-11_wp ) * ta3 * d_tmrt3 + &
2129	( 1.25006734e-06_wp ) * va * d_tmrt3 + &
2130	( -1.81584736e-09_wp ) * ta * va * d_tmrt3 + &
2131	( -3.52197671e-10_wp ) * ta2 * va * d_tmrt3 + &
2132	( -3.36514630e-08_wp ) * va2 * d_tmrt3 + &
2133	( 1.35908359e-10_wp ) * ta * va2 * d_tmrt3 + &
2134	( 4.17032620e-10_wp ) * va3 * d_tmrt3 + &
2135	( -1.30369025e-09_wp ) * d_tmrt4 + &
2136	( 4.13908461e-10_wp ) * ta * d_tmrt4 + &
2137	( 9.22652254e-12_wp ) * ta2 * d_tmrt4 + &
2138	( -5.08220384e-09_wp ) * va * d_tmrt4 + &
2139	( -2.24730961e-11_wp ) * ta * va * d_tmrt4 + &
2140	( 1.17139133e-10_wp ) * va2 * d_tmrt4 + &
2141	( 6.62154879e-10_wp ) * d_tmrt5 + &
2142	( 4.03863260e-13_wp ) * ta * d_tmrt5 + &
2143	( 1.95087203e-12_wp ) * va * d_tmrt5 + &
2144	( -4.73602469e-12_wp ) * d_tmrt6
2145
2146	part_pa = ( 5.12733497e+00_wp ) * pa + &
2147	( -3.12788561e-01_wp ) * ta * pa + &
2148	( -1.96701861e-02_wp ) * ta2 * pa + &
2149	( 9.99690870e-04_wp ) * ta3 * pa + &
2150	( 9.51738512e-06_wp ) * ta4 * pa + &
2151	( -4.66426341e-07_wp ) * ta5 * pa + &
2152	( 5.48050612e-01_wp ) * va * pa + &
2153	( -3.30552823e-03_wp ) * ta * va * pa + &
2154	( -1.64119440e-03_wp ) * ta2 * va * pa + &
2155	( -5.16670694e-06_wp ) * ta3 * va * pa + &
2156	( 9.52692432e-07_wp ) * ta4 * va * pa + &
2157	( -4.29223622e-02_wp ) * va2 * pa + &
2158	( 5.00845667e-03_wp ) * ta * va2 * pa + &
2159	( 1.00601257e-06_wp ) * ta2 * va2 * pa + &
2160	( -1.81748644e-06_wp ) * ta3 * va2 * pa + &
2161	( -1.25813502e-03_wp ) * va3 * pa + &
2162	( -1.79330391e-04_wp ) * ta * va3 * pa + &
2163	( 2.34994441e-06_wp ) * ta2 * va3 * pa + &
2164	( 1.29735808e-04_wp ) * va4 * pa + &
2165	( 1.29064870e-06_wp ) * ta * va4 * pa + &
2166	( -2.28558686e-06_wp ) * va5 * pa + &
2167	( -3.69476348e-02_wp ) * d_tmrt * pa + &
2168	( 1.62325322e-03_wp ) * ta * d_tmrt * pa + &
2169	( -3.14279680e-05_wp ) * ta2 * d_tmrt * pa + &
2170	( 2.59835559e-06_wp ) * ta3 * d_tmrt * pa + &
2171	( -4.77136523e-08_wp ) * ta4 * d_tmrt * pa + &
2172	( 8.64203390e-03_wp ) * va * d_tmrt * pa + &
2173	( -6.87405181e-04_wp ) * ta * va * d_tmrt * pa + &
2174	( -9.13863872e-06_wp ) * ta2 * va * d_tmrt * pa + &
2175	( 5.15916806e-07_wp ) * ta3 * va * d_tmrt * pa + &
2176	( -3.59217476e-05_wp ) * va2 * d_tmrt * pa + &
2177	( 3.28696511e-05_wp ) * ta * va2 * d_tmrt * pa + &
2178	( -7.10542454e-07_wp ) * ta2 * va2 * d_tmrt * pa + &
2179	( -1.24382300e-05_wp ) * va3 * d_tmrt * pa + &
2180	( -7.38584400e-09_wp ) * ta * va3 * d_tmrt * pa + &
2181	( 2.20609296e-07_wp ) * va4 * d_tmrt * pa + &
2182	( -7.32469180e-04_wp ) * d_tmrt2 * pa + &
2183	( -1.87381964e-05_wp ) * ta * d_tmrt2 * pa + &
2184	( 4.80925239e-06_wp ) * ta2 * d_tmrt2 * pa + &
2185	( -8.75492040e-08_wp ) * ta3 * d_tmrt2 * pa + &
2186	( 2.77862930e-05_wp ) * va * d_tmrt2 * pa + &
2187	( -5.06004592e-06_wp ) * ta * va * d_tmrt2 * pa + &
2188	( 1.14325367e-07_wp ) * ta2 * va * d_tmrt2 * pa + &
2189	( 2.53016723e-06_wp ) * va2 * d_tmrt2 * pa + &
2190	( -1.72857035e-08_wp ) * ta * va2 * d_tmrt2 * pa + &
2191	( -3.95079398e-08_wp ) * va3 * d_tmrt2 * pa + &
2192	( -3.59413173e-07_wp ) * d_tmrt3 * pa + &
2193	( 7.04388046e-07_wp ) * ta * d_tmrt3 * pa + &
2194	( -1.89309167e-08_wp ) * ta2 * d_tmrt3 * pa + &
2195	( -4.79768731e-07_wp ) * va * d_tmrt3 * pa + &
2196	( 7.96079978e-09_wp ) * ta * va * d_tmrt3 * pa + &
2197	( 1.62897058e-09_wp ) * va2 * d_tmrt3 * pa + &
2198	( 3.94367674e-08_wp ) * d_tmrt4 * pa + &
2199	( -1.18566247e-09_wp ) * ta * d_tmrt4 * pa + &
2200	( 3.34678041e-10_wp ) * va * d_tmrt4 * pa + &
2201	( -1.15606447e-10_wp ) * d_tmrt5 * pa
2202
2203	part_pa2 = ( -2.80626406e+00_wp ) * pa2 + &
2204	( 5.48712484e-01_wp ) * ta * pa2 + &
2205	( -3.99428410e-03_wp ) * ta2 * pa2 + &
2206	( -9.54009191e-04_wp ) * ta3 * pa2 + &
2207	( 1.93090978e-05_wp ) * ta4 * pa2 + &
2208	( -3.08806365e-01_wp ) * va * pa2 + &
2209	( 1.16952364e-02_wp ) * ta * va * pa2 + &
2210	( 4.95271903e-04_wp ) * ta2 * va * pa2 + &
2211	( -1.90710882e-05_wp ) * ta3 * va * pa2 + &
2212	( 2.10787756e-03_wp ) * va2 * pa2 + &
2213	( -6.98445738e-04_wp ) * ta * va2 * pa2 + &
2214	( 2.30109073e-05_wp ) * ta2 * va2 * pa2 + &
2215	( 4.17856590e-04_wp ) * va3 * pa2 + &
2216	( -1.27043871e-05_wp ) * ta * va3 * pa2 + &
2217	( -3.04620472e-06_wp ) * va4 * pa2 + &
2218	( 5.14507424e-02_wp ) * d_tmrt * pa2 + &
2219	( -4.32510997e-03_wp ) * ta * d_tmrt * pa2 + &
2220	( 8.99281156e-05_wp ) * ta2 * d_tmrt * pa2 + &
2221	( -7.14663943e-07_wp ) * ta3 * d_tmrt * pa2 + &
2222	( -2.66016305e-04_wp ) * va * d_tmrt * pa2 + &
2223	( 2.63789586e-04_wp ) * ta * va * d_tmrt * pa2 + &
2224	( -7.01199003e-06_wp ) * ta2 * va * d_tmrt * pa2 + &
2225	( -1.06823306e-04_wp ) * va2 * d_tmrt * pa2 + &
2226	( 3.61341136e-06_wp ) * ta * va2 * d_tmrt * pa2 + &
2227	( 2.29748967e-07_wp ) * va3 * d_tmrt * pa2 + &
2228	( 3.04788893e-04_wp ) * d_tmrt2 * pa2 + &
2229	( -6.42070836e-05_wp ) * ta * d_tmrt2 * pa2 + &
2230	( 1.16257971e-06_wp ) * ta2 * d_tmrt2 * pa2 + &
2231	( 7.68023384e-06_wp ) * va * d_tmrt2 * pa2 + &
2232	( -5.47446896e-07_wp ) * ta * va * d_tmrt2 * pa2 + &
2233	( -3.59937910e-08_wp ) * va2 * d_tmrt2 * pa2 + &
2234	( -4.36497725e-06_wp ) * d_tmrt3 * pa2 + &
2235	( 1.68737969e-07_wp ) * ta * d_tmrt3 * pa2 + &
2236	( 2.67489271e-08_wp ) * va * d_tmrt3 * pa2 + &
2237	( 3.23926897e-09_wp ) * d_tmrt4 * pa2
2238
2239	part_pa3 = ( -3.53874123e-02_wp ) * pa3 + &
2240	( -2.21201190e-01_wp ) * ta * pa3 + &
2241	( 1.55126038e-02_wp ) * ta2 * pa3 + &
2242	( -2.63917279e-04_wp ) * ta3 * pa3 + &
2243	( 4.53433455e-02_wp ) * va * pa3 + &
2244	( -4.32943862e-03_wp ) * ta * va * pa3 + &
2245	( 1.45389826e-04_wp ) * ta2 * va * pa3 + &
2246	( 2.17508610e-04_wp ) * va2 * pa3 + &
2247	( -6.66724702e-05_wp ) * ta * va2 * pa3 + &
2248	( 3.33217140e-05_wp ) * va3 * pa3 + &
2249	( -2.26921615e-03_wp ) * d_tmrt * pa3 + &
2250	( 3.80261982e-04_wp ) * ta * d_tmrt * pa3 + &
2251	( -5.45314314e-09_wp ) * ta2 * d_tmrt * pa3 + &
2252	( -7.96355448e-04_wp ) * va * d_tmrt * pa3 + &
2253	( 2.53458034e-05_wp ) * ta * va * d_tmrt * pa3 + &
2254	( -6.31223658e-06_wp ) * va2 * d_tmrt * pa3 + &
2255	( 3.02122035e-04_wp ) * d_tmrt2 * pa3 + &
2256	( -4.77403547e-06_wp ) * ta * d_tmrt2 * pa3 + &
2257	( 1.73825715e-06_wp ) * va * d_tmrt2 * pa3 + &
2258	( -4.09087898e-07_wp ) * d_tmrt3 * pa3
2259
2260	part_pa46 = ( 6.14155345e-01_wp ) * pa4 + &
2261	( -6.16755931e-02_wp ) * ta * pa4 + &
2262	( 1.33374846e-03_wp ) * ta2 * pa4 + &
2263	( 3.55375387e-03_wp ) * va * pa4 + &
2264	( -5.13027851e-04_wp ) * ta * va * pa4 + &
2265	( 1.02449757e-04_wp ) * va2 * pa4 + &
2266	( -1.48526421e-03_wp ) * d_tmrt * pa4 + &
2267	( -4.11469183e-05_wp ) * ta * d_tmrt * pa4 + &
2268	( -6.80434415e-06_wp ) * va * d_tmrt * pa4 + &
2269	( -9.77675906e-06_wp ) * d_tmrt2 * pa4 + &
2270	( 8.82773108e-02_wp ) * pa5 + &
2271	( -3.01859306e-03_wp ) * ta * pa5 + &
2272	( 1.04452989e-03_wp ) * va * pa5 + &
2273	( 2.47090539e-04_wp ) * d_tmrt * pa5 + &
2274	( 1.48348065e-03_wp ) * pa6
2275	!
2276	!-- Calculate 6th order polynomial as approximation
2277	utci_ij = ta + part_ta + part_va + part_d_tmrt + part_pa + part_pa2 + part_pa3 + part_pa46
2278	!
2279	!-- Consider offset in result
2280	utci_ij = utci_ij + offset
2281
2282	END SUBROUTINE calculate_utci_static
2283
2284
2285
2286
2287	!--------------------------------------------------------------------------------------------------!
2288	! Description:
2289	! ------------
2290	!> Calculate_perct_static: Estimation of perceived temperature (PT, degree_C)
2291	!> Value of perct is the Perceived Temperature, degree centigrade
2292	!--------------------------------------------------------------------------------------------------!
2293	SUBROUTINE calculate_perct_static( ta, vp, ws, tmrt, pair, clo, perct_ij )
2294
2295	IMPLICIT NONE
2296	!
2297	!-- Type of input of the argument list
2298	REAL(wp), INTENT ( IN ) :: pair !< Local barometric air pressure (hPa)
2299	REAL(wp), INTENT ( IN ) :: ta !< Local air temperature (degC)
2300	REAL(wp), INTENT ( IN ) :: tmrt !< Local mean radiant temperature (degC)
2301	REAL(wp), INTENT ( IN ) :: vp !< Local vapour pressure (hPa)
2302	REAL(wp), INTENT ( IN ) :: ws !< Local wind velocitry (m/s)
2303	!
2304	!-- Type of output of the argument list
2305	REAL(wp), INTENT ( OUT ) :: clo !< Clothing index (dimensionless)
2306	REAL(wp), INTENT ( OUT ) :: perct_ij !< Perceived temperature (degC)
2307	!
2308	!-- Parameters for standard "Klima-Michel"
2309	REAL(wp), PARAMETER :: actlev = 134.6862_wp !< Workload by activity per standardized surface (A_Du)
2310	REAL(wp), PARAMETER :: eta = 0.0_wp !< Mechanical work efficiency for walking on flat
2311	!< ground (compare to Fanger (1972) pp 24f)
2312	!
2313	!-- Type of program variables
2314	REAL(wp), PARAMETER :: eps = 0.0005 !< Accuracy in clothing insulation (clo) for evaluation the root of Fanger's PMV (pmva=0)
2315
2316	INTEGER(iwp) :: ncount !< running index
2317	INTEGER(iwp) :: nerr_cold !< error number (cold conditions)
2318	INTEGER(iwp) :: nerr !< error number
2319
2320	LOGICAL :: sultrieness
2321
2322	REAL(wp) :: clon !< clo for neutral conditions (clo)
2323	REAL(wp) :: d_pmv !< PMV deviation (dimensionless --> PMV)
2324	REAL(wp) :: dgtcm !< Mean deviation dependent on perct
2325	REAL(wp) :: dgtcstd !< Mean deviation plus its standard deviation
2326	REAL(wp) :: d_std !< factor to threshold for sultriness
2327	REAL(wp) :: ireq_minimal !< Minimal required clothing insulation (clo)
2328	REAL(wp) :: pmv_s !< Fangers predicted mean vote for summer clothing
2329	REAL(wp) :: pmv_w !< Fangers predicted mean vote for winter clothing
2330	REAL(wp) :: pmva !< adjusted predicted mean vote
2331	REAL(wp) :: pmvs !< pred. mean vote considering sultrieness
2332	REAL(wp) :: ptc !< perceived temp. for cold conditions (degree_C)
2333	REAL(wp) :: sclo !< summer clothing insulation
2334	REAL(wp) :: svp_ta !< saturation vapor pressure (hPa)
2335	REAL(wp) :: sult_lim !< threshold for sultrieness (hPa)
2336	REAL(wp) :: wclo !< winter clothing insulation
2337
2338	!
2339	!-- Initialise
2340	perct_ij = bio_fill_value
2341
2342	nerr = 0_iwp
2343	ncount = 0_iwp
2344	sultrieness = .FALSE.
2345	!
2346	!-- Tresholds: clothing insulation (account for model inaccuracies)
2347	!-- Summer clothing
2348	sclo = 0.44453_wp
2349	!
2350	!-- Winter clothing
2351	wclo = 1.76267_wp
2352	!
2353	!-- Eecision: first calculate for winter or summer clothing
2354	IF ( ta <= 10.0_wp ) THEN
2355	!
2356	!-- First guess: winter clothing insulation: cold stress
2357	clo = wclo
2358	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2359	pmv_w = pmva
2360
2361	IF ( pmva > 0.0_wp ) THEN
2362	!
2363	!-- Case summer clothing insulation: heat load ?
2364	clo = sclo
2365	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2366	pmv_s = pmva
2367	IF ( pmva <= 0.0_wp ) THEN
2368	!
2369	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
2370	!-- values
2371	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
2372	pmva, ncount, clo )
2373	IF ( ncount < 0_iwp ) THEN
2374	nerr = -1_iwp
2375	RETURN
2376	ENDIF
2377	ELSE IF ( pmva > 0.06_wp ) THEN
2378	clo = 0.5_wp
2379	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2380	ENDIF
2381	ELSE IF ( pmva < - 0.11_wp ) THEN
2382	clo = 1.75_wp
2383	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2384	ENDIF
2385	ELSE
2386	!
2387	!-- First guess: summer clothing insulation: heat load
2388	clo = sclo
2389	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2390	pmv_s = pmva
2391
2392	IF ( pmva < 0.0_wp ) THEN
2393	!
2394	!-- Case winter clothing insulation: cold stress ?
2395	clo = wclo
2396	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2397	pmv_w = pmva
2398
2399	IF ( pmva >= 0.0_wp ) THEN
2400	!
2401	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
2402	!-- values
2403	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
2404	pmva, ncount, clo )
2405	IF ( ncount < 0_iwp ) THEN
2406	nerr = -1_iwp
2407	RETURN
2408	ENDIF
2409	ELSE IF ( pmva < - 0.11_wp ) THEN
2410	clo = 1.75_wp
2411	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2412	ENDIF
2413	ELSE IF ( pmva > 0.06_wp ) THEN
2414	clo = 0.5_wp
2415	CALL fanger ( ta, tmrt, vp, ws, pair, clo, actlev, eta, pmva )
2416	ENDIF
2417
2418	ENDIF
2419	!
2420	!-- Determine perceived temperature by regression equation + adjustments
2421	pmvs = pmva
2422	CALL perct_regression( pmva, clo, perct_ij )
2423	ptc = perct_ij
2424	IF ( clo >= 1.75_wp .AND. pmva <= - 0.11_wp ) THEN
2425	!
2426	!-- Adjust for cold conditions according to Gagge 1986
2427	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
2428	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
2429	pmvs = pmva - d_pmv
2430	IF ( pmvs > - 0.11_wp ) THEN
2431	d_pmv = 0.0_wp
2432	pmvs = - 0.11_wp
2433	ENDIF
2434	CALL perct_regression( pmvs, clo, perct_ij )
2435	ENDIF
2436	! clo_fanger = clo
2437	clon = clo
2438	IF ( clo > 0.5_wp .AND. perct_ij <= 8.73_wp ) THEN
2439	!
2440	!-- Required clothing insulation (ireq) is exclusively defined for perceived temperatures (perct)
2441	!-- less 10 (C) for a reference wind of 0.2 m/s according to 8.73 (C) for 0.1 m/s.
2442	clon = ireq_neutral ( perct_ij, ireq_minimal, nerr )
2443	clo = clon
2444	ENDIF
2445	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
2446	sultrieness = .FALSE.
2447	d_std = -99.0_wp
2448	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
2449	!
2450	!-- Adjust for warm/humid conditions according to Gagge 1986
2451	CALL saturation_vapor_pressure ( ta, svp_ta )
2452	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
2453	pmvs = pmva + d_pmv
2454	CALL perct_regression( pmvs, clo, perct_ij )
2455	IF ( sult_lim < 99.0_wp ) THEN
2456	IF ( (perct_ij - ptc) > sult_lim ) sultrieness = .TRUE.
2457	!
2458	!-- Set factor to threshold for sultriness
2459	IF ( ABS( dgtcstd ) > 0.00001_wp ) THEN
2460	d_std = ( ( perct_ij - ptc ) - dgtcm ) / dgtcstd
2461	ENDIF
2462	ENDIF
2463	ENDIF
2464
2465	END SUBROUTINE calculate_perct_static
2466
2467	!--------------------------------------------------------------------------------------------------!
2468	! Description:
2469	! ------------
2470	!> The SUBROUTINE calculates the (saturation) water vapour pressure (hPa = hecto Pascal) for a given
2471	!> temperature ta (degC).
2472	!>'ta' can be the air temperature or the dew point temperature. The first will result in the current
2473	!> vapor pressure (hPa), the latter will calulate the saturation vapor pressure (hPa).
2474	!--------------------------------------------------------------------------------------------------!
2475	SUBROUTINE saturation_vapor_pressure( ta, svp_ta )
2476
2477	IMPLICIT NONE
2478
2479	REAL(wp), INTENT ( IN ) :: ta !< ambient air temperature (degC)
2480	REAL(wp), INTENT ( OUT ) :: svp_ta !< water vapour pressure (hPa)
2481
2482	REAL(wp) :: b
2483	REAL(wp) :: c
2484
2485
2486	IF ( ta < 0.0_wp ) THEN
2487	!
2488	!-- ta < 0 (degC): water vapour pressure over ice
2489	b = 17.84362_wp
2490	c = 245.425_wp
2491	ELSE
2492	!
2493	!-- ta >= 0 (degC): water vapour pressure over water
2494	b = 17.08085_wp
2495	c = 234.175_wp
2496	ENDIF
2497	!
2498	!-- Saturation water vapour pressure
2499	svp_ta = 6.1078_wp * EXP( b * ta / ( c + ta ) )
2500
2501	END SUBROUTINE saturation_vapor_pressure
2502
2503	!--------------------------------------------------------------------------------------------------!
2504	! Description:
2505	! ------------
2506	!> Find the clothing insulation value clo_res (clo) to make Fanger's Predicted Mean Vote (PMV) equal
2507	!> comfort (pmva=0) for actual meteorological conditions (ta,tmrt, vp, ws, pair) and values of
2508	!> individual's activity level.
2509	!--------------------------------------------------------------------------------------------------!
2510	SUBROUTINE iso_ridder( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, pmva, &
2511	nerr, clo_res )
2512
2513	IMPLICIT NONE
2514	!
2515	!-- Input variables of argument list:
2516	REAL(wp), INTENT ( IN ) :: actlev !< Individuals activity level per unit surface area (W/m2)
2517	REAL(wp), INTENT ( IN ) :: eps !< (0.05) accuracy in clothing insulation (clo) for evaluation the root of Fanger's PMV (pmva=0)
2518	REAL(wp), INTENT ( IN ) :: eta !< Individuals work efficiency (dimensionless)
2519	REAL(wp), INTENT ( IN ) :: pair !< Barometric air pressure (hPa)
2520	REAL(wp), INTENT ( IN ) :: pmv_s !< Fanger's PMV corresponding to sclo
2521	REAL(wp), INTENT ( IN ) :: pmv_w !< Fanger's PMV corresponding to wclo
2522	REAL(wp), INTENT ( IN ) :: sclo !< Lower threshold of bracketing clothing insulation (clo)
2523	REAL(wp), INTENT ( IN ) :: ta !< Ambient temperature (degC)
2524	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
2525	REAL(wp), INTENT ( IN ) :: vp !< Water vapour pressure (hPa)
2526	REAL(wp), INTENT ( IN ) :: wclo !< Upper threshold of bracketing clothing insulation (clo)
2527	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s) 1 m above ground
2528	!
2529	!-- Output variables of argument list:
2530	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error status / quality flag
2531	!< nerr >= 0, o.k., and nerr is the number of iterations for convergence
2532	!< nerr = -1: error = malfunction of Ridder's convergence method
2533	!< nerr = -2: error = maximum iterations (max_iteration) exceeded
2534	!< nerr = -3: error = root not bracketed between sclo and wclo
2535
2536	REAL(wp), INTENT ( OUT ) :: clo_res !< Resulting clothing insulation value (clo)
2537	REAL(wp), INTENT ( OUT ) :: pmva !< 0 (set to zero, because clo is evaluated for comfort)
2538	!
2539	!-- Type of program variables
2540	INTEGER(iwp), PARAMETER :: max_iteration = 15_iwp !< max number of iterations
2541
2542	REAL(wp), PARAMETER :: guess_0 = -1.11e30_wp !< initial guess
2543
2544	INTEGER(iwp) :: j !< running index
2545
2546	REAL(wp) :: clo_lower !< lower limit of clothing insulation (clo)
2547	REAL(wp) :: clo_upper !< upper limit of clothing insulation (clo)
2548	REAL(wp) :: sroot !< sqrt of PMV-guess
2549	REAL(wp) :: x_average !< average of x_lower and x_upper (clo)
2550	REAL(wp) :: x_lower !< lower guess for clothing insulation (clo)
2551	REAL(wp) :: x_new !< preliminary result for clothing insulation (clo)
2552	REAL(wp) :: x_ridder !< current guess for clothing insulation (clo)
2553	REAL(wp) :: x_upper !< upper guess for clothing insulation (clo)
2554	REAL(wp) :: y_average !< average of y_lower and y_upper
2555	REAL(wp) :: y_new !< preliminary result for pred. mean vote
2556	REAL(wp) :: y_lower !< predicted mean vote for summer clothing
2557	REAL(wp) :: y_upper !< predicted mean vote for winter clothing
2558	!
2559	!-- Initialise
2560	nerr = 0_iwp
2561	!
2562	!-- Set pmva = 0 (comfort): Root of PMV depending on clothing insulation
2563	x_ridder = bio_fill_value
2564	pmva = 0.0_wp
2565	clo_lower = sclo
2566	y_lower = pmv_s
2567	clo_upper = wclo
2568	y_upper = pmv_w
2569	IF ( ( y_lower > 0.0_wp .AND. y_upper < 0.0_wp ) .OR. &
2570	( y_lower < 0.0_wp .AND. y_upper > 0.0_wp ) ) THEN
2571	x_lower = clo_lower
2572	x_upper = clo_upper
2573	x_ridder = guess_0
2574
2575	DO j = 1_iwp, max_iteration
2576	x_average = 0.5_wp * ( x_lower + x_upper )
2577	CALL fanger ( ta, tmrt, vp, ws, pair, x_average, actlev, eta, y_average )
2578	sroot = SQRT( y_average*2 - y_lower y_upper )
2579	IF ( ABS( sroot ) < 0.00001_wp ) THEN
2580	clo_res = x_average
2581	nerr = j
2582	RETURN
2583	ENDIF
2584	x_new = x_average + ( x_average - x_lower ) * &
2585	( SIGN ( 1.0_wp, y_lower - y_upper ) * y_average / sroot )
2586	IF ( ABS( x_new - x_ridder ) <= eps ) THEN
2587	clo_res = x_ridder
2588	nerr = j
2589	RETURN
2590	ENDIF
2591	x_ridder = x_new
2592	CALL fanger ( ta, tmrt, vp, ws, pair, x_ridder, actlev, eta, y_new )
2593	IF ( ABS( y_new ) < 0.00001_wp ) THEN
2594	clo_res = x_ridder
2595	nerr = j
2596	RETURN
2597	ENDIF
2598	IF ( ABS( SIGN( y_average, y_new ) - y_average ) > 0.00001_wp ) THEN
2599	x_lower = x_average
2600	y_lower = y_average
2601	x_upper = x_ridder
2602	y_upper = y_new
2603	ELSE IF ( ABS( SIGN( y_lower, y_new ) - y_lower ) > 0.00001_wp ) THEN
2604	x_upper = x_ridder
2605	y_upper = y_new
2606	ELSE IF ( ABS( SIGN( y_upper, y_new ) - y_upper ) > 0.00001_wp ) THEN
2607	x_lower = x_ridder
2608	y_lower = y_new
2609	ELSE
2610	!
2611	!-- Never get here in x_ridder: SINgularity in y
2612	nerr = -1_iwp
2613	clo_res = x_ridder
2614	RETURN
2615	ENDIF
2616	IF ( ABS( x_upper - x_lower ) <= eps ) THEN
2617	clo_res = x_ridder
2618	nerr = j
2619	RETURN
2620	ENDIF
2621	ENDDO
2622	!
2623	!-- x_ridder exceed maximum iterations
2624	nerr = -2_iwp
2625	clo_res = y_new
2626	RETURN
2627	ELSE IF ( ABS( y_lower ) < 0.00001_wp ) THEN
2628	x_ridder = clo_lower
2629	ELSE IF ( ABS( y_upper ) < 0.00001_wp ) THEN
2630	x_ridder = clo_upper
2631	ELSE
2632	!
2633	!-- x_ridder not bracketed by u_clo and o_clo
2634	nerr = -3_iwp
2635	clo_res = x_ridder
2636	RETURN
2637	ENDIF
2638
2639	END SUBROUTINE iso_ridder
2640
2641	!--------------------------------------------------------------------------------------------------!
2642	! Description:
2643	! ------------
2644	!> Regression relations between perceived temperature (perct) and (adjusted) PMV. The regression
2645	!> presumes the Klima-Michel settings for reference individual and reference environment.
2646	!--------------------------------------------------------------------------------------------------!
2647	SUBROUTINE perct_regression( pmv, clo, perct_ij )
2648
2649	IMPLICIT NONE
2650
2651	REAL(wp), INTENT ( IN ) :: clo !< clothing insulation index (clo)
2652	REAL(wp), INTENT ( IN ) :: pmv !< Fangers predicted mean vote (dimensionless)
2653
2654	REAL(wp), INTENT ( OUT ) :: perct_ij !< perct (degC) corresponding to given PMV / clo
2655
2656	IF ( pmv <= - 0.11_wp ) THEN
2657	perct_ij = 5.805_wp + 12.6784_wp * pmv
2658	ELSE
2659	IF ( pmv >= + 0.01_wp ) THEN
2660	perct_ij = 16.826_wp + 6.163_wp * pmv
2661	ELSE
2662	perct_ij = 21.258_wp - 9.558_wp * clo
2663	ENDIF
2664	ENDIF
2665
2666	END SUBROUTINE perct_regression
2667
2668	!--------------------------------------------------------------------------------------------------!
2669	! Description:
2670	! ------------
2671	!> FANGER.F90
2672	!>
2673	!> SI-VERSION: ACTLEV W m-2, VAPOUR PRESSURE hPa
2674	!> Calculates the current Predicted Mean Vote according to Fanger.
2675	!> The case of free convection (ws < 0.1 m/s) is dealt with ws = 0.1 m/s
2676	!--------------------------------------------------------------------------------------------------!
2677	SUBROUTINE fanger( ta, tmrt, pa, in_ws, pair, in_clo, actlev, eta, pmva )
2678
2679	IMPLICIT NONE
2680	!
2681	!-- Input variables of argument list:
2682	REAL(wp), INTENT ( IN ) :: actlev !< Individuals activity level per unit surface area (W/m2)
2683	REAL(wp), INTENT ( IN ) :: eta !< Individuals mechanical work efficiency (dimensionless)
2684	REAL(wp), INTENT ( IN ) :: in_clo !< Clothing insulation (clo)
2685	REAL(wp), INTENT ( IN ) :: in_ws !< Wind speed (m/s) 1 m above ground
2686	REAL(wp), INTENT ( IN ) :: pa !< Water vapour pressure (hPa)
2687	REAL(wp), INTENT ( IN ) :: pair !< Barometric pressure (hPa) at site
2688	REAL(wp), INTENT ( IN ) :: ta !< Ambient air temperature (degC)
2689	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
2690
2691	!
2692	!-- Output variables of argument list:
2693	REAL(wp), INTENT ( OUT ) :: pmva !< Actual Predicted Mean Vote (PMV,
2694	!< dimensionless) according to Fanger corresponding to meteorological
2695	!< (ta,tmrt,pa,ws,pair) and individual variables (clo, actlev, eta)
2696	!
2697	!-- Internal variables
2698	INTEGER(iwp) :: i !< running index
2699
2700	REAL(wp) :: activity !< persons activity (must stay == actlev, W)
2701	REAL(wp) :: bc !< preliminary result storage
2702	REAL(wp) :: cc !< preliminary result storage
2703	REAL(wp) :: clo !< clothing insulation index (clo)
2704	REAL(wp) :: dc !< preliminary result storage
2705	REAL(wp) :: ec !< preliminary result storage
2706	REAL(wp) :: f_cl !< Increase in surface due to clothing (factor)
2707	REAL(wp) :: gc !< preliminary result storage
2708	REAL(wp) :: heat_convection !< energy loss by autocnvection (W)
2709	REAL(wp) :: hr !< radiational heat resistence
2710	REAL(wp) :: t_clothing !< clothing temperature (degree_C)
2711	REAL(wp) :: t_skin_aver !< average skin temperature (degree_C)
2712	REAL(wp) :: ws !< wind speed (m/s)
2713	REAL(wp) :: z1 !< Empiric factor for the adaption of the heat
2714	!< ballance equation to the psycho-physical scale (Equ. 40 in FANGER)
2715	REAL(wp) :: z2 !< Water vapour diffution through the skin
2716	REAL(wp) :: z3 !< Sweat evaporation from the skin surface
2717	REAL(wp) :: z4 !< Loss of latent heat through respiration
2718	REAL(wp) :: z5 !< Loss of radiational heat
2719	REAL(wp) :: z6 !< Heat loss through forced convection
2720
2721	!
2722	!-- Clo must be > 0. to avoid div. by 0!
2723	clo = in_clo
2724	IF ( clo <= 0.0_wp ) clo = .001_wp
2725	!
2726	!-- f_cl = increase in surface due to clothing
2727	f_cl = 1.0_wp + 0.15_wp * clo
2728	!
2729	!-- Case of free convection (ws < 0.1 m/s ) not considered
2730	ws = in_ws
2731	IF ( ws < 0.1_wp ) THEN
2732	ws = 0.1_wp
2733	ENDIF
2734	!
2735	!-- Heat_convection = forced convection
2736	heat_convection = 12.1_wp * SQRT( ws * pair / 1013.25_wp )
2737	!
2738	!-- Activity = inner heat production per standardized surface
2739	activity = actlev * ( 1.0_wp - eta )
2740	!
2741	!-- t_skin_aver = average skin temperature
2742	t_skin_aver = 35.7_wp - 0.0275_wp * activity
2743	!
2744	!-- Calculation of constants for evaluation below
2745	bc = 0.155_wp * clo * 3.96_wp * 10.0_wp*( -8 ) f_cl
2746	cc = f_cl * heat_convection
2747	ec = 0.155_wp * clo
2748	dc = ( 1.0_wp + ec * cc ) / bc
2749	gc = ( t_skin_aver + bc * ( tmrt + degc_to_k )*4 + ec cc * ta ) / bc
2750	!
2751	!-- Calculation of clothing surface temperature (t_clothing) based on Newton-approximation with air
2752	!-- temperature as initial guess.
2753	t_clothing = ta
2754	DO i = 1, 3
2755	t_clothing = t_clothing - ( ( t_clothing + degc_to_k )*4 + t_clothing dc - gc ) / &
2756	( 4.0_wp * ( t_clothing + degc_to_k )**3 + dc )
2757	ENDDO
2758	!
2759	!-- Empiric factor for the adaption of the heat ballance equation to the psycho-physical scale (Equ.
2760	!-- 40 in FANGER)
2761	z1 = ( 0.303_wp * EXP( - 0.036_wp * actlev ) + 0.0275_wp )
2762	!
2763	!-- Water vapour diffution through the skin
2764	z2 = 0.31_wp * ( 57.3_wp - 0.07_wp * activity-pa )
2765	!
2766	!-- Sweat evaporation from the skin surface
2767	z3 = 0.42_wp * ( activity - 58.0_wp )
2768	!
2769	!-- Loss of latent heat through respiration
2770	z4 = 0.0017_wp * actlev * ( 58.7_wp - pa ) + 0.0014_wp * actlev * &
2771	( 34.0_wp - ta )
2772	!
2773	!-- Loss of radiational heat
2774	z5 = 3.96e-8_wp * f_cl * ( ( t_clothing + degc_to_k )4 - ( tmrt + degc_to_k )4 )
2775	IF ( ABS( t_clothing - tmrt ) > 0.0_wp ) THEN
2776	hr = z5 / f_cl / ( t_clothing - tmrt )
2777	ELSE
2778	hr = 0.0_wp
2779	ENDIF
2780	!
2781	!-- Heat loss through forced convection cc*(t_clothing-TT)
2782	z6 = cc * ( t_clothing - ta )
2783	!
2784	!-- Predicted Mean Vote
2785	pmva = z1 * ( activity - z2 - z3 - z4 - z5 - z6 )
2786
2787	END SUBROUTINE fanger
2788
2789	!--------------------------------------------------------------------------------------------------!
2790	! Description:
2791	! ------------
2792	!> For pmva > 0 and clo =0.5 the increment (deltapmv) is calculated that converts pmva into Gagge's
2793	!> et al. (1986) PMV*.
2794	!--------------------------------------------------------------------------------------------------!
2795	REAL(wp) FUNCTION deltapmv( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
2796
2797	IMPLICIT NONE
2798
2799	!
2800	!-- Input variables of argument list:
2801	REAL(wp), INTENT ( IN ) :: pmva !< Actual Predicted Mean Vote (PMV) according to Fanger
2802	REAL(wp), INTENT ( IN ) :: svp_ta !< Saturation water vapour pressure (hPa) at ta
2803	REAL(wp), INTENT ( IN ) :: ta !< Ambient temperature (degC) at screen level
2804	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC) at screen level
2805	REAL(wp), INTENT ( IN ) :: vp !< Water vapour pressure (hPa) at screen level
2806	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s) 1 m above ground
2807
2808	!
2809	!-- Output variables of argument list:
2810	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error status / quality flag
2811	!< 0 = o.k.
2812	!< -2 = pmva outside valid regression range
2813	!< -3 = rel. humidity set to 5 % or 95 %, respectively
2814	!< -4 = deltapmv set to avoid pmvs < 0
2815
2816	!
2817	!-- Internal variables:
2818	INTEGER(iwp) :: nreg !<
2819
2820	REAL(wp) :: apa !< natural logarithm of pa (with hard lower border)
2821	REAL(wp) :: dapa !< difference of apa and pa_p50
2822	REAL(wp) :: dpmv_1 !<
2823	REAL(wp) :: dpmv_2 !<
2824	REAL(wp) :: dtmrt !< difference mean radiation to air temperature
2825	REAL(wp) :: pa !< vapor pressure (hPa) with hard bounds
2826	REAL(wp) :: pa_p50 !< ratio actual water vapour pressure to that of relative humidity of
2827	!< 50 %
2828	REAL(wp) :: pmv !< temp storage og predicted mean vote
2829	REAL(wp) :: pmvs !<
2830	REAL(wp) :: p10 !< lower bound for pa
2831	REAL(wp) :: p95 !< upper bound for pa
2832	REAL(wp) :: sqvel !< square root of local wind velocity
2833	REAL(wp) :: weight !<
2834	REAL(wp) :: weight2 !<
2835
2836	!
2837	!-- Regression coefficients:
2838	REAL(wp), DIMENSION(0:7), PARAMETER :: bpmv = (/ &
2839	- 0.0556602_wp, - 0.1528680_wp, - 0.2336104_wp, - 0.2789387_wp, &
2840	- 0.3551048_wp, - 0.4304076_wp, - 0.4884961_wp, - 0.4897495_wp /)
2841
2842	REAL(wp), DIMENSION(0:7), PARAMETER :: bpa_p50 = (/ &
2843	- 0.1607154_wp, - 0.4177296_wp, - 0.4120541_wp, - 0.0886564_wp, &
2844	0.4285938_wp, 0.6281256_wp, 0.5067361_wp, 0.3965169_wp /)
2845
2846	REAL(wp), DIMENSION(0:7), PARAMETER :: bpa = (/ &
2847	0.0580284_wp, 0.0836264_wp, 0.1009919_wp, 0.1020777_wp, &
2848	0.0898681_wp, 0.0839116_wp, 0.0853258_wp, 0.0866589_wp /)
2849
2850	REAL(wp), DIMENSION(0:7), PARAMETER :: bapa = (/ &
2851	- 1.7838788_wp, - 2.9306231_wp, - 1.6350334_wp, 0.6211547_wp, &
2852	3.3918083_wp, 5.5521025_wp, 8.4897418_wp, 16.6265851_wp /)
2853
2854	REAL(wp), DIMENSION(0:7), PARAMETER :: bdapa = (/ &
2855	1.6752720_wp, 2.7379504_wp, 1.2940526_wp, - 1.0985759_wp, &
2856	- 3.9054732_wp, - 6.0403012_wp, - 8.9437119_wp, - 17.0671201_wp /)
2857
2858	REAL(wp), DIMENSION(0:7), PARAMETER :: bsqvel = (/ &
2859	- 0.0315598_wp, - 0.0286272_wp, - 0.0009228_wp, 0.0483344_wp, &
2860	0.0992366_wp, 0.1491379_wp, 0.1951452_wp, 0.2133949_wp /)
2861
2862	REAL(wp), DIMENSION(0:7), PARAMETER :: bta = (/ &
2863	0.0953986_wp, 0.1524760_wp, 0.0564241_wp, - 0.0893253_wp, &
2864	- 0.2398868_wp, - 0.3515237_wp, - 0.5095144_wp, - 0.9469258_wp /)
2865
2866	REAL(wp), DIMENSION(0:7), PARAMETER :: bdtmrt = (/ &
2867	- 0.0004672_wp, - 0.0000514_wp, - 0.0018037_wp, - 0.0049440_wp, &
2868	- 0.0069036_wp, - 0.0075844_wp, - 0.0079602_wp, - 0.0089439_wp /)
2869
2870	REAL(wp), DIMENSION(0:7), PARAMETER :: aconst = (/ &
2871	1.8686215_wp, 3.4260713_wp, 2.0116185_wp, - 0.7777552_wp, &
2872	- 4.6715853_wp, - 7.7314281_wp, - 11.7602578_wp, - 23.5934198_wp /)
2873
2874
2875	!
2876	!-- Test for compliance with regression range
2877	IF ( pmva < -1.0_wp .OR. pmva > 7.0_wp ) THEN
2878	nerr = -2_iwp
2879	ELSE
2880	nerr = 0_iwp
2881	ENDIF
2882	!
2883	!-- Initialise classic PMV
2884	pmv = pmva
2885	!
2886	!-- Water vapour pressure of air
2887	p10 = 0.05_wp * svp_ta
2888	p95 = 1.00_wp * svp_ta
2889	IF ( vp >= p10 .AND. vp <= p95 ) THEN
2890	pa = vp
2891	ELSE
2892	nerr = -3_iwp
2893	IF ( vp < p10 ) THEN
2894	!
2895	!-- Due to conditions of regression: r.H. >= 5 %
2896	pa = p10
2897	ELSE
2898	!
2899	!-- Due to conditions of regression: r.H. <= 95 %
2900	pa = p95
2901	ENDIF
2902	ENDIF
2903	IF ( pa > 0.0_wp ) THEN
2904	!
2905	!-- Natural logarithm of pa
2906	apa = LOG( pa )
2907	ELSE
2908	apa = -5.0_wp
2909	ENDIF
2910	!
2911	!-- Ratio actual water vapour pressure to that of a r.H. of 50 %
2912	pa_p50 = 0.5_wp * svp_ta
2913	IF ( pa_p50 > 0.0_wp .AND. pa > 0.0_wp ) THEN
2914	dapa = apa - LOG( pa_p50 )
2915	pa_p50 = pa / pa_p50
2916	ELSE
2917	dapa = -5.0_wp
2918	pa_p50 = 0.0_wp
2919	ENDIF
2920	!
2921	!-- Square root of wind velocity
2922	IF ( ws >= 0.0_wp ) THEN
2923	sqvel = SQRT( ws )
2924	ELSE
2925	sqvel = 0.0_wp
2926	ENDIF
2927	!
2928	!-- Difference mean radiation to air temperature
2929	dtmrt = tmrt - ta
2930	!
2931	!-- Select the valid regression coefficients
2932	nreg = INT( pmv )
2933	IF ( nreg < 0_iwp ) THEN
2934	!
2935	!-- Value of the FUNCTION in the case pmv <= -1
2936	deltapmv = 0.0_wp
2937	RETURN
2938	ENDIF
2939	weight = MOD ( pmv, 1.0_wp )
2940	IF ( weight < 0.0_wp ) weight = 0.0_wp
2941	IF ( nreg > 5_iwp ) THEN
2942	nreg = 5_iwp
2943	weight = pmv - 5.0_wp
2944	weight2 = pmv - 6.0_wp
2945	IF ( weight2 > 0_iwp ) THEN
2946	weight = ( weight - weight2 ) / weight
2947	ENDIF
2948	ENDIF
2949	!
2950	!-- Regression valid for 0. <= pmv <= 6., bounds are checked above
2951	dpmv_1 = &
2952	+ bpa(nreg) * pa &
2953	+ bpmv(nreg) * pmv &
2954	+ bapa(nreg) * apa &
2955	+ bta(nreg) * ta &
2956	+ bdtmrt(nreg) * dtmrt &
2957	+ bdapa(nreg) * dapa &
2958	+ bsqvel(nreg) * sqvel &
2959	+ bpa_p50(nreg) * pa_p50 &
2960	+ aconst(nreg)
2961
2962	! dpmv_2 = 0.0_wp
2963	! IF ( nreg < 6_iwp ) THEN !< nreg is always <= 5, see above
2964	dpmv_2 = &
2965	+ bpa(nreg+1_iwp) * pa &
2966	+ bpmv(nreg+1_iwp) * pmv &
2967	+ bapa(nreg+1_iwp) * apa &
2968	+ bta(nreg+1_iwp) * ta &
2969	+ bdtmrt(nreg+1_iwp) * dtmrt &
2970	+ bdapa(nreg+1_iwp) * dapa &
2971	+ bsqvel(nreg+1_iwp) * sqvel &
2972	+ bpa_p50(nreg+1_iwp) * pa_p50 &
2973	+ aconst(nreg+1_iwp)
2974	! ENDIF
2975	!
2976	!-- Calculate pmv modification
2977	deltapmv = ( 1.0_wp - weight ) * dpmv_1 + weight * dpmv_2
2978	pmvs = pmva + deltapmv
2979	IF ( ( pmvs ) < 0.0_wp ) THEN
2980	!
2981	!-- Prevent negative pmv* due to problems with clothing insulation
2982	nerr = -4_iwp
2983	IF ( pmvs > -0.11_wp ) THEN
2984	!
2985	!-- Threshold from perct_regression for winter clothing insulation
2986	deltapmv = deltapmv + 0.11_wp
2987	ELSE
2988	!
2989	!-- Set pmvs to "0" for compliance with summer clothing insulation
2990	deltapmv = -1.0_wp * pmva
2991	ENDIF
2992	ENDIF
2993
2994	END FUNCTION deltapmv
2995
2996	!--------------------------------------------------------------------------------------------------!
2997	! Description:
2998	! ------------
2999	!> The subroutine "calc_sultr" returns a threshold value to perceived temperature allowing to decide
3000	!> whether the actual perceived temperature is linked to perecption of sultriness. The threshold
3001	!> values depends on the Fanger's classical PMV, expressed here as perceived temperature perct.
3002	!--------------------------------------------------------------------------------------------------!
3003	SUBROUTINE calc_sultr( perct_ij, dperctm, dperctstd, sultr_res )
3004
3005	IMPLICIT NONE
3006	!
3007	!-- Input of the argument list:
3008	REAL(wp), INTENT ( IN ) :: perct_ij !< Classical perceived temperature: Base is Fanger's PMV
3009	!
3010	!-- Additional output variables of argument list:
3011	REAL(wp), INTENT ( OUT ) :: dperctm !< Mean deviation perct (classical gt) to gt* (rational
3012	!< gt calculated based on Gagge's rational PMV*)
3013	REAL(wp), INTENT ( OUT ) :: dperctstd !< dperctm plus its standard deviation times a factor
3014	!< determining the significance to perceive sultriness
3015	REAL(wp), INTENT ( OUT ) :: sultr_res
3016	!
3017	!-- Types of coefficients mean deviation: third order polynomial
3018	REAL(wp), PARAMETER :: dperctka = 7.5776086_wp
3019	REAL(wp), PARAMETER :: dperctkb = - 0.740603_wp
3020	REAL(wp), PARAMETER :: dperctkc = 0.0213324_wp
3021	REAL(wp), PARAMETER :: dperctkd = - 0.00027797237_wp
3022	!
3023	!-- Types of coefficients mean deviation plus standard deviation
3024	!-- regression coefficients: third order polynomial
3025	REAL(wp), PARAMETER :: dperctsa = 0.0268918_wp
3026	REAL(wp), PARAMETER :: dperctsb = 0.0465957_wp
3027	REAL(wp), PARAMETER :: dperctsc = - 0.00054709752_wp
3028	REAL(wp), PARAMETER :: dperctsd = 0.0000063714823_wp
3029	!
3030	!-- Factor to mean standard deviation defining SIGNificance for
3031	!-- sultriness
3032	REAL(wp), PARAMETER :: faktor = 1.0_wp
3033	!
3034	!-- Initialise
3035	sultr_res = 99.0_wp
3036	dperctm = 0.0_wp
3037	dperctstd = 999999.0_wp
3038
3039	IF ( perct_ij < 16.826_wp .OR. perct_ij > 56.0_wp ) THEN
3040	!
3041	!-- Unallowed value of classical perct!
3042	RETURN
3043	ENDIF
3044	!
3045	!-- Mean deviation dependent on perct
3046	dperctm = dperctka + dperctkb * perct_ij + dperctkc * perct_ij*2.0_wp + dperctkd &
3047	perct_ij**3.0_wp
3048	!
3049	!-- Mean deviation plus its standard deviation
3050	dperctstd = dperctsa + dperctsb * perct_ij + dperctsc * perct_ij*2.0_wp + dperctsd &
3051	perct_ij**3.0_wp
3052	!
3053	!-- Value of the FUNCTION
3054	sultr_res = dperctm + faktor * dperctstd
3055	IF ( ABS( sultr_res ) > 99.0_wp ) sultr_res = +99.0_wp
3056
3057	END SUBROUTINE calc_sultr
3058
3059	!--------------------------------------------------------------------------------------------------!
3060	! Description:
3061	! ------------
3062	!> Multiple linear regression to calculate an increment delta_cold, to adjust Fanger's classical PMV
3063	!> (pmva) by Gagge's 2 node model, applying Fanger's convective heat transfer coefficient, hcf.
3064	!> Wind velocitiy of the reference environment is 0.10 m/s
3065	!--------------------------------------------------------------------------------------------------!
3066	SUBROUTINE dpmv_cold( pmva, ta, ws, tmrt, nerr, dpmv_cold_res )
3067
3068	IMPLICIT NONE
3069	!
3070	!-- Type of input arguments
3071	REAL(wp), INTENT ( IN ) :: pmva !< Fanger's classical predicted mean vote
3072	REAL(wp), INTENT ( IN ) :: ta !< Air temperature 2 m above ground (degC)
3073	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degC)
3074	REAL(wp), INTENT ( IN ) :: ws !< Relative wind velocity 1 m above ground (m/s)
3075	!
3076	!-- Type of output argument
3077	INTEGER(iwp), INTENT ( OUT ) :: nerr !< Error indicator: 0 = o.k., +1 = denominator for
3078	!< intersection = 0
3079
3080	REAL(wp), INTENT ( OUT ) :: dpmv_cold_res !< Increment to adjust pmva according to the
3081	!< results of Gagge's 2 node model depending on the input
3082	!
3083	!-- Type of program variables
3084	INTEGER(iwp) :: i !< running index
3085	INTEGER(iwp) :: i_bin !< result row number
3086
3087	REAL(wp) :: delta_cold(3)
3088	REAL(wp) :: dtmrt !< delta mean radiant temperature
3089	REAL(wp) :: pmv_cross(2)
3090	REAL(wp) :: reg_a(3)
3091	REAL(wp) :: r_denominator !< the regression equations denominator
3092	REAL(wp) :: sqrt_ws !< sqare root of wind speed
3093
3094	! REAL(wp) :: coeff(3,5) !< unsafe! array is (re-)writable!
3095	! coeff(1,1:5) = &
3096	! (/ +0.161_wp, +0.130_wp, -1.125E-03_wp, +1.106E-03_wp, -4.570E-04_wp /)
3097	! coeff(2,1:5) = &
3098	! (/ 0.795_wp, 0.713_wp, -8.880E-03_wp, -1.803E-03_wp, -2.816E-03_wp /)
3099	! coeff(3,1:5) = &
3100	! (/ +0.05761_wp, +0.458_wp, -1.829E-02_wp, -5.577E-03_wp, -1.970E-03_wp /)
3101
3102	!
3103	!-- Coefficient of the 3 regression lines:
3104	! 1:const 2:pmva 3:ta 4:sqrt_ws 5:dtmrt
3105	REAL(wp), DIMENSION(1:3,1:5), PARAMETER :: coeff = RESHAPE( (/ &
3106	0.161_wp, 0.130_wp, -1.125E-03_wp, 1.106E-03_wp, -4.570E-04_wp, &
3107	0.795_wp, 0.713_wp, -8.880E-03_wp, -1.803E-03_wp, -2.816E-03_wp, &
3108	0.05761_wp, 0.458_wp, -1.829E-02_wp, -5.577E-03_wp, -1.970E-03_wp &
3109	/), SHAPE( coeff ), order=(/ 2, 1 /) )
3110	!
3111	!-- Initialise
3112	nerr = 0_iwp
3113	dpmv_cold_res = 0.0_wp
3114	dtmrt = tmrt - ta
3115	sqrt_ws = ws
3116	IF ( sqrt_ws < 0.1_wp ) THEN
3117	sqrt_ws = 0.1_wp
3118	ELSE
3119	sqrt_ws = SQRT( sqrt_ws )
3120	ENDIF
3121
3122	delta_cold = 0.0_wp
3123	pmv_cross = pmva
3124
3125	!
3126	!-- Determine regression constant for given meteorological conditions
3127	DO i = 1, 3
3128	reg_a(i) = coeff(i,1) + coeff(i,3) * ta + coeff(i,4) * sqrt_ws + coeff(i,5)*dtmrt
3129	delta_cold(i) = reg_a(i) + coeff(i,2) * pmva
3130	ENDDO
3131	!
3132	!-- Intersection points of regression lines in terms of Fanger's PMV
3133	DO i = 1, 2
3134	r_denominator = coeff(i,2) - coeff(i+1,2)
3135	IF ( ABS( r_denominator ) > 0.00001_wp ) THEN
3136	pmv_cross(i) = ( reg_a(i+1) - reg_a(i) ) / r_denominator
3137	ELSE
3138	nerr = 1_iwp
3139	RETURN
3140	ENDIF
3141	ENDDO
3142	!
3143	!-- Select result row number
3144	i_bin = 3
3145	DO i = 1, 2
3146	IF ( pmva > pmv_cross(i) ) THEN
3147	i_bin = i
3148	EXIT
3149	ENDIF
3150	ENDDO
3151	!
3152	!-- Adjust to operative temperature scaled according to classical PMV (Fanger)
3153	dpmv_cold_res = delta_cold(i_bin) - dpmv_cold_adj(pmva)
3154
3155	END SUBROUTINE dpmv_cold
3156
3157	!--------------------------------------------------------------------------------------------------!
3158	! Description:
3159	! ------------
3160	!> Calculates the summand dpmv_cold_adj adjusting to the operative temperature scaled according to
3161	!> classical PMV (Fanger) for cold conditions. Valid for reference environment: v (1m) = 0.10 m/s,
3162	!> dTMRT = 0 K, r.h. = 50 %
3163	!--------------------------------------------------------------------------------------------------!
3164	REAL(wp) FUNCTION dpmv_cold_adj( pmva )
3165
3166	IMPLICIT NONE
3167
3168	INTEGER(iwp) :: i !< running index
3169	INTEGER(iwp) :: thr !< thermal range
3170
3171	REAL(wp), INTENT ( IN ) :: pmva !< (adjusted) Predicted Mean Vote
3172
3173	REAL(wp) :: pmv !< pmv-part of the regression
3174
3175	!
3176	!-- Provide regression coefficients for three thermal ranges:
3177	!-- slightly cold cold very cold
3178	REAL(wp), DIMENSION(1:3,0:3), PARAMETER :: coef = RESHAPE( (/ &
3179	0.0941540_wp, -0.1506620_wp, -0.0871439_wp, &
3180	0.0783162_wp, -1.0612651_wp, 0.1695040_wp, &
3181	0.1350144_wp, -1.0049144_wp, -0.0167627_wp, &
3182	0.1104037_wp, -0.2005277_wp, -0.0003230_wp &
3183	/), SHAPE(coef), order=(/ 1, 2 /) )
3184	!
3185	!-- Select thermal range
3186	IF ( pmva <= -2.1226_wp ) THEN !< very cold
3187	thr = 3_iwp
3188	ELSE IF ( pmva <= -1.28_wp ) THEN !< cold
3189	thr = 2_iwp
3190	ELSE !< slightly cold
3191	thr = 1_iwp
3192	ENDIF
3193	!
3194	!-- Initialize
3195	dpmv_cold_adj = coef(thr,0)
3196	pmv = 1.0_wp
3197	!
3198	!-- Calculate pmv adjustment (dpmv_cold_adj)
3199	DO i = 1, 3
3200	pmv = pmv * pmva
3201	dpmv_cold_adj = dpmv_cold_adj + coef(thr,i) * pmv
3202	ENDDO
3203
3204	RETURN
3205	END FUNCTION dpmv_cold_adj
3206
3207	!--------------------------------------------------------------------------------------------------!
3208	! Description:
3209	! ------------
3210	!> Based on perceived temperature (perct) as input, ireq_neutral determines the required clothing
3211	!> insulation (clo) for thermally neutral conditions (neither body cooling nor body heating). It is
3212	!> related to the Klima-Michel activity level (134.682 W/m2). IREQ_neutral is only defined for perct
3213	!> < 10 (degC)
3214	!--------------------------------------------------------------------------------------------------!
3215	REAL(wp) FUNCTION ireq_neutral( perct_ij, ireq_minimal, nerr )
3216
3217	IMPLICIT NONE
3218	!
3219	!-- Type declaration of arguments
3220	INTEGER(iwp), INTENT ( OUT ) :: nerr
3221
3222	REAL(wp), INTENT ( IN ) :: perct_ij
3223	REAL(wp), INTENT ( OUT ) :: ireq_minimal
3224	!
3225	!-- Type declaration for internal varables
3226	REAL(wp) :: perct02
3227	!
3228	!-- Initialise
3229	nerr = 0_iwp
3230	!
3231	!-- Convert perceived temperature from basis 0.1 m/s to basis 0.2 m/s
3232	perct02 = 1.8788_wp + 0.9296_wp * perct_ij
3233	!
3234	!-- IREQ neutral conditions (thermal comfort)
3235	ireq_neutral = 1.62_wp - 0.0564_wp * perct02
3236	!
3237	!-- Regression only defined for perct <= 10 (degC)
3238	IF ( ireq_neutral < 0.5_wp ) THEN
3239	IF ( ireq_neutral < 0.48_wp ) THEN
3240	nerr = 1_iwp
3241	ENDIF
3242	ireq_neutral = 0.5_wp
3243	ENDIF
3244	!
3245	!-- Minimal required clothing insulation: maximal acceptable body cooling
3246	ireq_minimal = 1.26_wp - 0.0588_wp * perct02
3247	IF ( nerr > 0_iwp ) THEN
3248	ireq_minimal = ireq_neutral
3249	ENDIF
3250
3251	RETURN
3252	END FUNCTION ireq_neutral
3253
3254
3255	!--------------------------------------------------------------------------------------------------!
3256	! Description:
3257	! ------------
3258	!> The SUBROUTINE surface area calculates the surface area of the individual according to its height
3259	!> (m), weight (kg), and age (y)
3260	!--------------------------------------------------------------------------------------------------!
3261	SUBROUTINE surface_area( height_cm, weight, age, surf )
3262
3263	IMPLICIT NONE
3264
3265	INTEGER(iwp), INTENT(in) :: age
3266
3267	REAL(wp) , INTENT(in) :: height_cm
3268	REAL(wp) , INTENT(in) :: weight
3269
3270	REAL(wp) , INTENT(out) :: surf
3271
3272	REAL(wp) :: height
3273
3274	height = height_cm * 100.0_wp
3275	!
3276	!-- According to Gehan-George, for children
3277	IF ( age < 19_iwp ) THEN
3278	IF ( age < 5_iwp ) THEN
3279	surf = 0.02667_wp * height*0.42246_wp weight**0.51456_wp
3280	RETURN
3281	ENDIF
3282	surf = 0.03050_wp * height*0.35129_wp weight**0.54375_wp
3283	RETURN
3284	ENDIF
3285	!
3286	!-- DuBois D, DuBois EF: A formula to estimate the approximate surface area if height and weight be
3287	!> known. In: Arch. Int. Med.. 17, 1916, pp. 863:871.
3288	surf = 0.007184_wp * height*0.725_wp weight**0.425_wp
3289	RETURN
3290
3291	END SUBROUTINE surface_area
3292
3293	!--------------------------------------------------------------------------------------------------!
3294	! Description:
3295	! ------------
3296	!> The SUBROUTINE persdat calculates
3297	!> - the total internal energy production = metabolic + workload,
3298	!> - the total internal energy production for a standardized surface (actlev)
3299	!> - the DuBois - area (a_surf [m2])
3300	!> from
3301	!> - the persons age (years),
3302	!> - weight (kg),
3303	!> - height (m),
3304	!> - sex (1 = male, 2 = female),
3305	!> - work load (W)
3306	!> for a sample human.
3307	!--------------------------------------------------------------------------------------------------!
3308	SUBROUTINE persdat( age, weight, height, sex, work, a_surf, actlev )
3309
3310	IMPLICIT NONE
3311
3312	INTEGER(iwp), INTENT(in) :: sex
3313
3314
3315	REAL(wp), INTENT(in) :: age
3316	REAL(wp), INTENT(in) :: height
3317	REAL(wp), INTENT(in) :: weight
3318	REAL(wp), INTENT(in) :: work
3319
3320	REAL(wp), INTENT(out) :: actlev
3321
3322	REAL(wp) :: a_surf
3323	REAL(wp) :: basic_heat_prod
3324	REAL(wp) :: energy_prod
3325	REAL(wp) :: factor
3326	REAL(wp) :: s
3327
3328
3329	CALL surface_area( height, weight, INT( age ), a_surf )
3330	s = height * 100.0_wp / ( weight**( 1.0_wp / 3.0_wp ) )
3331	factor = 1.0_wp + .004_wp * ( 30.0_wp - age )
3332	basic_heat_prod = 0.0_wp
3333	IF ( sex == 1_iwp ) THEN
3334	basic_heat_prod = 3.45_wp * weight*( 3.0_wp / 4.0_wp ) ( factor + 0.01_wp &
3335	* ( s - 43.4_wp ) )
3336	ELSE IF ( sex == 2_iwp ) THEN
3337	basic_heat_prod = 3.19_wp * weight*( 3.0_wp / 4.0_wp ) ( factor + 0.018_wp &
3338	* ( s - 42.1_wp ) )
3339	ENDIF
3340
3341	energy_prod = work + basic_heat_prod
3342	actlev = energy_prod / a_surf
3343
3344	END SUBROUTINE persdat
3345
3346
3347	!--------------------------------------------------------------------------------------------------!
3348	! Description:
3349	! ------------
3350	!> SUBROUTINE ipt_init
3351	!> initializes the instationary perceived temperature
3352	!--------------------------------------------------------------------------------------------------!
3353
3354	SUBROUTINE ipt_init( age, weight, height, sex, work, actlev, clo, ta, vp, ws, tmrt, pair, dt, &
3355	storage, t_clothing, ipt )
3356
3357	IMPLICIT NONE
3358	!
3359	!-- Input parameters
3360
3361	INTEGER(iwp), INTENT(in) :: sex !< Persons sex (1 = male, 2 = female)
3362
3363	REAL(wp), INTENT(in) :: age !< Persons age (years)
3364	REAL(wp), INTENT(in) :: dt !< Timestep (s)
3365	REAL(wp), INTENT(in) :: height !< Persons height (m)7
3366	REAL(wp), INTENT(in) :: pair !< Air pressure (hPa)
3367	REAL(wp), INTENT(in) :: ta !< Air Temperature (degree_C)
3368	REAL(wp), INTENT(in) :: tmrt !< Mean radiant temperature (degree_C)
3369	REAL(wp), INTENT(in) :: vp !< Vapor pressure (hPa)
3370	REAL(wp), INTENT(in) :: weight !< Persons weight (kg)
3371	REAL(wp), INTENT(in) :: work !< Current workload (W)
3372	REAL(wp), INTENT(in) :: ws !< Wind speed in approx. 1.1m (m/s)
3373	!
3374	!-- Output parameters
3375	REAL(wp), INTENT(out) :: actlev
3376	REAL(wp), INTENT(out) :: clo
3377	REAL(wp), INTENT(out) :: ipt
3378	REAL(wp), INTENT(out) :: storage
3379	REAL(wp), INTENT(out) :: t_clothing
3380	!
3381	!-- Internal variables
3382	REAL(wp), PARAMETER :: eps = 0.0005_wp
3383	REAL(wp), PARAMETER :: eta = 0.0_wp
3384
3385	INTEGER(iwp) :: ncount
3386	INTEGER(iwp) :: nerr_cold
3387	INTEGER(iwp) :: nerr
3388
3389	LOGICAL :: sultrieness
3390
3391	! REAL(wp) :: acti
3392	REAL(wp) :: a_surf
3393	! REAL(wp) :: clo_fanger
3394	REAL(wp) :: clon
3395	REAL(wp) :: d_pmv
3396	REAL(wp) :: d_std
3397	REAL(wp) :: dgtcm
3398	REAL(wp) :: dgtcstd
3399	REAL(wp) :: ireq_minimal
3400	REAL(wp) :: pmv_s
3401	REAL(wp) :: pmv_w
3402	REAL(wp) :: pmva
3403	REAL(wp) :: pmvs
3404	REAL(wp) :: ptc
3405	REAL(wp) :: sclo
3406	REAL(wp) :: sult_lim
3407	REAL(wp) :: svp_ta
3408	REAL(wp) :: wclo
3409
3410
3411	storage = 0.0_wp
3412	CALL persdat( age, weight, height, sex, work, a_surf, actlev )
3413	!
3414	!-- Initialise
3415	t_clothing = bio_fill_value
3416	ipt = bio_fill_value
3417	nerr = 0_wp
3418	ncount = 0_wp
3419	sultrieness = .FALSE.
3420	!
3421	!-- Tresholds: clothing insulation (account for model inaccuracies)
3422	!-- Summer clothing
3423	sclo = 0.44453_wp
3424	!-- Winter clothing
3425	wclo = 1.76267_wp
3426	!
3427	!-- Decision: firstly calculate for winter or summer clothing
3428	IF ( ta <= 10.0_wp ) THEN
3429	!
3430	!-- First guess: winter clothing insulation: cold stress
3431	clo = wclo
3432	t_clothing = bio_fill_value ! force initial run
3433	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3434	pmva )
3435	pmv_w = pmva
3436
3437	IF ( pmva > 0.0_wp ) THEN
3438	!
3439	!-- Case summer clothing insulation: heat load ?
3440	clo = sclo
3441	t_clothing = bio_fill_value ! force initial run
3442	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3443	pmva )
3444	pmv_s = pmva
3445	IF ( pmva <= 0.0_wp ) THEN
3446	!
3447	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
3448	!-- values
3449	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta , sclo, pmv_s, wclo, pmv_w, eps,&
3450	pmva, ncount, clo )
3451	IF ( ncount < 0_iwp ) THEN
3452	nerr = -1_iwp
3453	RETURN
3454	ENDIF
3455	ELSE IF ( pmva > 0.06_wp ) THEN
3456	clo = 0.5_wp
3457	t_clothing = bio_fill_value
3458	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, &
3459	dt, pmva )
3460	ENDIF
3461	ELSE IF ( pmva < - 0.11_wp ) THEN
3462	clo = 1.75_wp
3463	t_clothing = bio_fill_value
3464	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3465	pmva )
3466	ENDIF
3467
3468	ELSE
3469	!
3470	!-- First guess: summer clothing insulation: heat load
3471	clo = sclo
3472	t_clothing = bio_fill_value
3473	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3474	pmva )
3475	pmv_s = pmva
3476
3477	IF ( pmva < 0.0_wp ) THEN
3478	!
3479	!-- Case winter clothing insulation: cold stress ?
3480	clo = wclo
3481	t_clothing = bio_fill_value
3482	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3483	pmva )
3484	pmv_w = pmva
3485
3486	IF ( pmva >= 0.0_wp ) THEN
3487	!
3488	!-- Case: comfort achievable by varying clothing insulation between winter and summer set
3489	!-- values
3490	CALL iso_ridder ( ta, tmrt, vp, ws, pair, actlev, eta, sclo, pmv_s, wclo, pmv_w, eps, &
3491	pmva, ncount, clo )
3492	IF ( ncount < 0_wp ) THEN
3493	nerr = -1_iwp
3494	RETURN
3495	ENDIF
3496	ELSE IF ( pmva < - 0.11_wp ) THEN
3497	clo = 1.75_wp
3498	t_clothing = bio_fill_value
3499	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, &
3500	dt, pmva )
3501	ENDIF
3502	ELSE IF ( pmva > 0.06_wp ) THEN
3503	clo = 0.5_wp
3504	t_clothing = bio_fill_value
3505	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, &
3506	pmva )
3507	ENDIF
3508
3509	ENDIF
3510	!
3511	!-- Determine perceived temperature by regression equation + adjustments
3512	pmvs = pmva
3513	CALL perct_regression( pmva, clo, ipt )
3514	ptc = ipt
3515	IF ( clo >= 1.75_wp .AND. pmva <= - 0.11_wp ) THEN
3516	!
3517	!-- Adjust for cold conditions according to Gagge 1986
3518	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
3519	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
3520	pmvs = pmva - d_pmv
3521	IF ( pmvs > - 0.11_wp ) THEN
3522	d_pmv = 0.0_wp
3523	pmvs = - 0.11_wp
3524	ENDIF
3525	CALL perct_regression( pmvs, clo, ipt )
3526	ENDIF
3527	! clo_fanger = clo
3528	clon = clo
3529	IF ( clo > 0.5_wp .AND. ipt <= 8.73_wp ) THEN
3530	!
3531	!-- Required clothing insulation (ireq) is exclusively defined for perceived temperatures (ipt)
3532	!-- less 10 (C) for a reference wind of 0.2 m/s according to 8.73 (C) for 0.1 m/s
3533	clon = ireq_neutral ( ipt, ireq_minimal, nerr )
3534	clo = clon
3535	ENDIF
3536	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
3537	sultrieness = .FALSE.
3538	d_std = - 99.0_wp
3539	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
3540	!
3541	!-- Adjust for warm/humid conditions according to Gagge 1986
3542	CALL saturation_vapor_pressure ( ta, svp_ta )
3543	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
3544	pmvs = pmva + d_pmv
3545	CALL perct_regression( pmvs, clo, ipt )
3546	IF ( sult_lim < 99.0_wp ) THEN
3547	IF ( (ipt - ptc) > sult_lim ) sultrieness = .TRUE.
3548	ENDIF
3549	ENDIF
3550
3551
3552	END SUBROUTINE ipt_init
3553
3554	!--------------------------------------------------------------------------------------------------!
3555	! Description:
3556	! ------------
3557	!> SUBROUTINE ipt_cycle
3558	!> Calculates one timestep for the instationary version of perceived temperature (iPT, degree_C) for
3559	!> - standard measured/predicted meteorological values and TMRT as input;
3560	!> - regressions for determination of PT;
3561	!> - adjustment to Gagge's PMV* (2-node-model, 1986) as base of PT under warm/humid conditions
3562	!> (Icl= 0.50 clo) and under cold conditions (Icl= 1.75 clo)
3563	!--------------------------------------------------------------------------------------------------!
3564	SUBROUTINE ipt_cycle( ta, vp, ws, tmrt, pair, dt, storage, t_clothing, clo, actlev, work, ipt )
3565
3566	IMPLICIT NONE
3567	!
3568	!-- Type of input of the argument list
3569	REAL(wp), INTENT ( IN ) :: actlev !< Internal heat production (W)
3570	REAL(wp), INTENT ( IN ) :: clo !< Clothing index (no dim)
3571	REAL(wp), INTENT ( IN ) :: dt !< Timestep (s)
3572	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
3573	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
3574	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3575	REAL(wp), INTENT ( IN ) :: vp !< Vapor pressure (hPa)
3576	REAL(wp), INTENT ( IN ) :: work !< Mechanical work load (W)
3577	REAL(wp), INTENT ( IN ) :: ws !< Wind speed (m/s)
3578	!
3579	!-- In and output parameters
3580	REAL(wp), INTENT (INOUT) :: storage !< Heat storage (W)
3581	REAL(wp), INTENT (INOUT) :: t_clothing !< Clothig temperature (degree_C)
3582	!
3583	!-- Type of output of the argument list
3584	REAL(wp), INTENT ( OUT ) :: ipt !< Instationary perceived temperature (degree_C)
3585	!
3586	!-- Type of internal variables
3587	INTEGER(iwp) :: nerr
3588	INTEGER(iwp) :: nerr_cold
3589
3590	LOGICAL :: sultrieness
3591
3592	REAL(wp) :: d_pmv
3593	REAL(wp) :: d_std
3594	REAL(wp) :: dgtcm
3595	REAL(wp) :: dgtcstd
3596	REAL(wp) :: pmva
3597	REAL(wp) :: pmvs
3598	REAL(wp) :: ptc
3599	REAL(wp) :: sult_lim
3600	REAL(wp) :: svp_ta
3601	!
3602	!-- Initialise
3603	ipt = bio_fill_value
3604
3605	nerr = 0_iwp
3606	sultrieness = .FALSE.
3607	!
3608	!-- Determine pmv_adjusted for current conditions
3609	CALL fanger_s_acti ( ta, tmrt, vp, ws, pair, clo, actlev, work, t_clothing, storage, dt, pmva )
3610	!
3611	!-- Determine perceived temperature by regression equation + adjustments
3612	CALL perct_regression( pmva, clo, ipt )
3613	!
3614	!-- Consider cold conditions
3615	IF ( clo >= 1.75_wp .AND. pmva <= -0.11_wp ) THEN
3616	!
3617	!-- Adjust for cold conditions according to Gagge 1986
3618	CALL dpmv_cold ( pmva, ta, ws, tmrt, nerr_cold, d_pmv )
3619	IF ( nerr_cold > 0_iwp ) nerr = -5_iwp
3620	pmvs = pmva - d_pmv
3621	IF ( pmvs > - 0.11_wp ) THEN
3622	d_pmv = 0.0_wp
3623	pmvs = - 0.11_wp
3624	ENDIF
3625	CALL perct_regression( pmvs, clo, ipt )
3626	ENDIF
3627	!
3628	!-- Consider sultriness if appropriate
3629	ptc = ipt
3630	CALL calc_sultr( ptc, dgtcm, dgtcstd, sult_lim )
3631	sultrieness = .FALSE.
3632	d_std = - 99.0_wp
3633	IF ( pmva > 0.06_wp .AND. clo <= 0.5_wp ) THEN
3634	!
3635	!-- Adjust for warm/humid conditions according to Gagge 1986
3636	CALL saturation_vapor_pressure ( ta, svp_ta )
3637	d_pmv = deltapmv ( pmva, ta, vp, svp_ta, tmrt, ws, nerr )
3638	pmvs = pmva + d_pmv
3639	CALL perct_regression( pmvs, clo, ipt )
3640	IF ( sult_lim < 99.0_wp ) THEN
3641	IF ( (ipt - ptc) > sult_lim ) sultrieness = .TRUE.
3642	ENDIF
3643	ENDIF
3644
3645	END SUBROUTINE ipt_cycle
3646
3647	!--------------------------------------------------------------------------------------------------!
3648	! Description:
3649	! ------------
3650	!> SUBROUTINE fanger_s calculates the actual Predicted Mean Vote (dimensionless) according to Fanger
3651	!> corresponding to meteorological (ta,tmrt,pa,ws,pair) and individual variables (clo, actlev, eta)
3652	!> considering a storage and clothing temperature for a given timestep.
3653	!--------------------------------------------------------------------------------------------------!
3654	SUBROUTINE fanger_s_acti( ta, tmrt, pa, in_ws, pair, in_clo, actlev, activity, t_cloth, s, dt, &
3655	pmva )
3656
3657	IMPLICIT NONE
3658	!
3659	!-- Input argument types
3660	REAL(wp), INTENT ( IN ) :: activity !< Work load (W/mÂ²)
3661	REAL(wp), INTENT ( IN ) :: actlev !< Metabolic + work energy (W/mÂ²)
3662	REAL(wp), INTENT ( IN ) :: dt !< Timestep (s)
3663	REAL(wp), INTENT ( IN ) :: in_clo !< Clothing index (clo) (no dim)
3664	REAL(wp), INTENT ( IN ) :: in_ws !< Wind speed (m/s)
3665	REAL(wp), INTENT ( IN ) :: pa !< Vapour pressure (hPa)
3666	REAL(wp), INTENT ( IN ) :: pair !< Air pressure (hPa)
3667	REAL(wp), INTENT ( IN ) :: ta !< Air temperature (degree_C)
3668	REAL(wp), INTENT ( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3669	!
3670	!-- Output argument types
3671	REAL(wp), INTENT ( OUT ) :: pmva !< actual Predicted Mean Vote (no dim)
3672
3673	REAL(wp), INTENT (INOUT) :: s !< storage var. of energy balance (W/m2)
3674	REAL(wp), INTENT (INOUT) :: t_cloth !< clothing temperature (degree_C)
3675	!
3676	!-- Internal variables
3677	REAL(wp), PARAMETER :: time_equil = 7200.0_wp
3678
3679	INTEGER(iwp) :: i !< running index
3680	INTEGER(iwp) :: niter !< Running index
3681
3682	REAL(wp) :: adjustrate !< Max storage adjustment rate
3683	REAL(wp) :: adjustrate_cloth !< max clothing temp. adjustment rate
3684	REAL(wp) :: bc !< preliminary result storage
3685	REAL(wp) :: cc !< preliminary result storage
3686	REAL(wp) :: clo !< clothing insulation index (clo)
3687	REAL(wp) :: d_s !< Storage delta (W)
3688	REAL(wp) :: dc !< preliminary result storage
3689	REAL(wp) :: en !< Energy ballance (W)
3690	REAL(wp) :: ec !< preliminary result storage
3691	REAL(wp) :: f_cl !< Increase in surface due to clothing (factor)
3692	REAL(wp) :: gc !< preliminary result storage
3693	REAL(wp) :: heat_convection !< energy loss by autocnvection (W)
3694	! REAL(wp) :: hr !< radiational heat resistence
3695	REAL(wp) :: t_clothing !< clothing temperature (degree_C)
3696	REAL(wp) :: t_skin_aver !< average skin temperature (degree_C)
3697	REAL(wp) :: ws !< wind speed (m/s)
3698	REAL(wp) :: z1 !< Empiric factor for the adaption of the heat
3699	!< ballance equation to the psycho-physical scale
3700	!< (Equ. 40 in FANGER)
3701	REAL(wp) :: z2 !< Water vapour diffution through the skin
3702	REAL(wp) :: z3 !< Sweat evaporation from the skin surface
3703	REAL(wp) :: z4 !< Loss of latent heat through respiration
3704	REAL(wp) :: z5 !< Loss of radiational heat
3705	REAL(wp) :: z6 !< Heat loss through forced convection
3706
3707
3708
3709
3710	!
3711	!-- Clo must be > 0. to avoid div. by 0!
3712	clo = in_clo
3713	IF ( clo < 001.0_wp ) clo = 0.001_wp
3714	!
3715	!-- Increase in surface due to clothing
3716	f_cl = 1.0_wp + 0.15_wp * clo
3717	!
3718	!-- Case of free convection (ws < 0.1 m/s ) not considered
3719	ws = in_ws
3720	IF ( ws < 0.1_wp ) THEN
3721	ws = 0.1_wp
3722	ENDIF
3723	!
3724	!-- Heat_convection = forced convection
3725	heat_convection = 12.1_wp * SQRT( ws * pair / 1013.25_wp )
3726	!
3727	!-- Average skin temperature
3728	t_skin_aver = 35.7_wp - 0.0275_wp * activity
3729	!
3730	!-- Calculation of constants for evaluation below
3731	bc = 0.155_wp * clo * 3.96_wp * 10.0_wp*( -8.0_wp ) f_cl
3732	cc = f_cl * heat_convection
3733	ec = 0.155_wp * clo
3734	dc = ( 1.0_wp + ec * cc ) / bc
3735	gc = ( t_skin_aver + bc * ( tmrt + 273.2_wp )*4.0_wp + ec cc * ta ) / bc
3736	!
3737	!-- Calculation of clothing surface temperature (t_clothing) based on Newton-approximation with air
3738	!-- temperature as initial guess
3739	niter = INT( dt * 10.0_wp, KIND=iwp )
3740	IF ( niter < 1 ) niter = 1_iwp
3741	adjustrate = 1.0_wp - EXP( -1.0_wp * ( 10.0_wp / time_equil ) * dt )
3742	IF ( adjustrate >= 1.0_wp ) adjustrate = 1.0_wp
3743	adjustrate_cloth = adjustrate * 30.0_wp
3744	t_clothing = t_cloth
3745	!
3746	!-- Set initial values for niter, adjustrates and t_clothing if this is the first call
3747	IF ( t_cloth <= -998.0_wp ) THEN ! If initial run
3748	niter = 3_iwp
3749	adjustrate = 1.0_wp
3750	adjustrate_cloth = 1.0_wp
3751	t_clothing = ta
3752	ENDIF
3753	!
3754	!-- Update clothing temperature
3755	DO i = 1, niter
3756	t_clothing = t_clothing - adjustrate_cloth * ( ( t_clothing + 273.2_wp )**4.0_wp + &
3757	t_clothing * dc - gc ) / ( 4.0_wp * ( t_clothing + 273.2_wp )**3.0_wp + dc )
3758	ENDDO
3759	!
3760	!-- Empiric factor for the adaption of the heat ballance equation to the psycho-physical scale
3761	!-- (Equ. 40 in FANGER)
3762	z1 = ( 0.303_wp * EXP( - 0.036_wp * actlev ) + 0.0275_wp )
3763	!
3764	!-- Water vapour diffution through the skin
3765	z2 = 0.31_wp * ( 57.3_wp - 0.07_wp * activity-pa )
3766	!
3767	!-- Sweat evaporation from the skin surface
3768	z3 = 0.42_wp * ( activity - 58.0_wp )
3769	!
3770	!-- Loss of latent heat through respiration
3771	z4 = 0.0017_wp * actlev * ( 58.7_wp - pa ) + 0.0014_wp * actlev * ( 34.0_wp - ta )
3772	!
3773	!-- Loss of radiational heat
3774	z5 = 3.96e-8_wp * f_cl * ( ( t_clothing + 273.2_wp )4 - ( tmrt + 273.2_wp )4 )
3775	!
3776	!-- Heat loss through forced convection
3777	z6 = cc * ( t_clothing - ta )
3778	!
3779	!-- Write together as energy ballance
3780	en = activity - z2 - z3 - z4 - z5 - z6
3781	!
3782	!-- Manage storage
3783	d_s = adjustrate * en + ( 1.0_wp - adjustrate ) * s
3784	!
3785	!-- Predicted Mean Vote
3786	pmva = z1 * d_s
3787	!
3788	!-- Update storage
3789	s = d_s
3790	t_cloth = t_clothing
3791
3792	END SUBROUTINE fanger_s_acti
3793
3794
3795
3796	!--------------------------------------------------------------------------------------------------!
3797	!
3798	! Description:
3799	! ------------
3800	!> Physiologically Equivalent Temperature (PET),
3801	!> stationary (calculated based on MEMI),
3802	!> Subroutine based on PETBER vers. 1.5.1996 by P. Hoeppe
3803	!--------------------------------------------------------------------------------------------------!
3804
3805	SUBROUTINE calculate_pet_static( ta, vpa, v, tmrt, pair, pet_ij )
3806
3807	IMPLICIT NONE
3808	!
3809	!-- Input arguments:
3810	REAL(wp), INTENT( IN ) :: pair !< Air pressure (hPa)
3811	REAL(wp), INTENT( IN ) :: ta !< Air temperature (degree_C)
3812	REAL(wp), INTENT( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3813	REAL(wp), INTENT( IN ) :: v !< Wind speed (m/s)
3814	REAL(wp), INTENT( IN ) :: vpa !< Vapor pressure (hPa)
3815	!
3816	!-- Output arguments:
3817	REAL(wp), INTENT ( OUT ) :: pet_ij !< PET (degree_C)
3818	!
3819	!-- Internal variables:
3820	REAL(wp) :: acl !< clothing area (mÂ²)
3821	REAL(wp) :: adu !< Du Bois area (mÂ²)
3822	REAL(wp) :: aeff !< effective area (mÂ²)
3823	REAL(wp) :: ere !< energy ballance (W)
3824	REAL(wp) :: erel !< latent energy ballance (W)
3825	REAL(wp) :: esw !< Energy-loss through sweat evap. (W)
3826	REAL(wp) :: facl !< Surface area extension through clothing (factor)
3827	REAL(wp) :: feff !< Surface modification by posture (factor)
3828	REAL(wp) :: rdcl !< Diffusion resistence of clothing (factor)
3829	REAL(wp) :: rdsk !< Diffusion resistence of skin (factor)
3830	REAL(wp) :: rtv
3831	REAL(wp) :: vpts !< Sat. vapor pressure over skin (hPa)
3832	REAL(wp) :: tcl !< Clothing temperature (degree_C)
3833	REAL(wp) :: tsk !< Skin temperature (degree_C)
3834	REAL(wp) :: wetsk !< Fraction of wet skin (factor)
3835	!
3836	!-- Variables:
3837	REAL(wp) :: int_heat !< Internal heat (W)
3838	!
3839	!-- MEMI configuration
3840	REAL(wp) :: age !< Persons age (a)
3841	REAL(wp) :: clo !< Clothing insulation index (clo)
3842	REAL(wp) :: eta !< Work efficiency (dimensionless)
3843	REAL(wp) :: fcl !< Surface area modification by clothing (factor)
3844	REAL(wp) :: ht !< Persons height (m)
3845	REAL(wp) :: mbody !< Persons body mass (kg)
3846	REAL(wp) :: work !< Work load (W)
3847	! INTEGER(iwp) :: pos !< Posture: 1 = standing, 2 = sitting
3848	! INTEGER(iwp) :: sex !< Sex: 1 = male, 2 = female
3849	!
3850	!-- Configuration, keep standard parameters!
3851	age = 35.0_wp
3852	mbody = 75.0_wp
3853	ht = 1.75_wp
3854	work = 80.0_wp
3855	eta = 0.0_wp
3856	clo = 0.9_wp
3857	fcl = 1.15_wp
3858	!
3859	!-- Call subfunctions
3860	CALL in_body( age, eta, ere, erel, ht, int_heat, mbody, pair, rtv, ta, vpa, work )
3861
3862	CALL heat_exch( acl, adu, aeff, clo, ere, erel, esw, facl, fcl, feff, ht, int_heat, mbody, &
3863	pair, rdcl, rdsk, ta, tcl, tmrt, tsk, v, vpa, vpts, wetsk )
3864
3865	CALL pet_iteration( acl, adu, aeff, esw, facl, feff, int_heat, pair, rdcl, rdsk, rtv, ta, tcl, &
3866	tsk, pet_ij, vpts, wetsk )
3867
3868
3869	END SUBROUTINE calculate_pet_static
3870
3871
3872	!--------------------------------------------------------------------------------------------------!
3873	! Description:
3874	! ------------
3875	!> Calculate internal energy ballance
3876	!--------------------------------------------------------------------------------------------------!
3877	SUBROUTINE in_body( age, eta, ere, erel, ht, int_heat, mbody, pair, rtv, ta, vpa, work )
3878	!
3879	!-- Input arguments:
3880	REAL(wp), INTENT( IN ) :: age !< Persons age (a)
3881	REAL(wp), INTENT( IN ) :: eta !< Work efficiency (dimensionless)
3882	REAL(wp), INTENT( IN ) :: ht !< Persons height (m)
3883	REAL(wp), INTENT( IN ) :: mbody !< Persons body mass (kg)
3884	REAL(wp), INTENT( IN ) :: pair !< air pressure (hPa)
3885	REAL(wp), INTENT( IN ) :: ta !< air temperature (degree_C)
3886	REAL(wp), INTENT( IN ) :: vpa !< vapor pressure (hPa)
3887	REAL(wp), INTENT( IN ) :: work !< Work load (W)
3888	!
3889	!-- Output arguments:
3890	REAL(wp), INTENT( OUT ) :: ere !< energy ballance (W)
3891	REAL(wp), INTENT( OUT ) :: erel !< latent energy ballance (W)
3892	REAL(wp), INTENT( OUT ) :: int_heat !< internal heat production (W)
3893	REAL(wp), INTENT( OUT ) :: rtv !< respiratory volume
3894	!
3895	!-- Internal variables:
3896	REAL(wp) :: eres !< Sensible respiratory heat flux (W)
3897	REAL(wp) :: met
3898	REAL(wp) :: tex
3899	REAL(wp) :: vpex
3900
3901	!
3902	!-- Metabolic heat production
3903	met = 3.45_wp * mbody*( 3.0_wp / 4.0_wp ) (1.0_wp + 0.004_wp * &
3904	( 30.0_wp - age) + 0.010_wp * ( ( ht * 100.0_wp / &
3905	( mbody**( 1.0_wp / 3.0_wp ) ) ) - 43.4_wp ) )
3906	met = work + met
3907	int_heat = met * (1.0_wp - eta)
3908	!
3909	!-- Sensible respiration energy
3910	tex = 0.47_wp * ta + 21.0_wp
3911	rtv = 1.44_wp * 10.0_wp*(-6.0_wp) met
3912	eres = c_p * (ta - tex) * rtv
3913	!
3914	!-- Latent respiration energy
3915	vpex = 6.11_wp * 10.0_wp*( 7.45_wp tex / ( 235.0_wp + tex ) )
3916	erel = 0.623_wp * l_v / pair * ( vpa - vpex ) * rtv
3917	!
3918	!-- Sum of the results
3919	ere = eres + erel
3920
3921	END SUBROUTINE in_body
3922
3923
3924	!--------------------------------------------------------------------------------------------------!
3925	! Description:
3926	! ------------
3927	!> Calculate heat gain or loss
3928	!--------------------------------------------------------------------------------------------------!
3929	SUBROUTINE heat_exch( acl, adu, aeff, clo, ere, erel, esw, facl, fcl, feff, ht, int_heat, mbody, &
3930	pair, rdcl, rdsk, ta, tcl, tmrt, tsk, v, vpa, vpts, wetsk )
3931
3932	!
3933	!-- Input arguments:
3934	REAL(wp), INTENT( IN ) :: clo !< clothing insulation (clo)
3935	REAL(wp), INTENT( IN ) :: fcl !< factor for surface area increase by clothing
3936	REAL(wp), INTENT( IN ) :: ere !< Energy ballance (W)
3937	REAL(wp), INTENT( IN ) :: erel !< Latent energy ballance (W)
3938	REAL(wp), INTENT( IN ) :: ht !< height (m)
3939	REAL(wp), INTENT( IN ) :: int_heat !< internal heat production (W)
3940	REAL(wp), INTENT( IN ) :: mbody !< body mass (kg)
3941	REAL(wp), INTENT( IN ) :: pair !< Air pressure (hPa)
3942	REAL(wp), INTENT( IN ) :: ta !< Air temperature (degree_C)
3943	REAL(wp), INTENT( IN ) :: tmrt !< Mean radiant temperature (degree_C)
3944	REAL(wp), INTENT( IN ) :: v !< Wind speed (m/s)
3945	REAL(wp), INTENT( IN ) :: vpa !< Vapor pressure (hPa)
3946	!
3947	!-- Output arguments:
3948	REAL(wp), INTENT( OUT ) :: acl !< Clothing surface area (mÂ²)
3949	REAL(wp), INTENT( OUT ) :: adu !< Du-Bois area (mÂ²)
3950	REAL(wp), INTENT( OUT ) :: aeff !< Effective surface area (mÂ²)
3951	REAL(wp), INTENT( OUT ) :: esw !< Energy-loss through sweat evap. (W)
3952	REAL(wp), INTENT( OUT ) :: facl !< Surface area extension through clothing (factor)
3953	REAL(wp), INTENT( OUT ) :: feff !< Surface modification by posture (factor)
3954	REAL(wp), INTENT( OUT ) :: rdcl !< Diffusion resistence of clothing (factor)
3955	REAL(wp), INTENT( OUT ) :: rdsk !< Diffusion resistence of skin (factor)
3956	REAL(wp), INTENT( OUT ) :: tcl !< Clothing temperature (degree_C)
3957	REAL(wp), INTENT( OUT ) :: tsk !< Skin temperature (degree_C)
3958	REAL(wp), INTENT( OUT ) :: vpts !< Sat. vapor pressure over skin (hPa)
3959	REAL(wp), INTENT( OUT ) :: wetsk !< Fraction of wet skin (dimensionless)
3960	!
3961	!-- Cconstants:
3962	! REAL(wp), PARAMETER :: cair = 1010.0_wp !< replaced by c_p
3963	REAL(wp), PARAMETER :: cb = 3640.0_wp !<
3964	REAL(wp), PARAMETER :: emcl = 0.95_wp !< Longwave emission coef. of cloth
3965	REAL(wp), PARAMETER :: emsk = 0.99_wp !< Longwave emission coef. of skin
3966	! REAL(wp), PARAMETER :: evap = 2.42_wp * 10.0_wp **6.0_wp !< replaced by l_v
3967	REAL(wp), PARAMETER :: food = 0.0_wp !< Heat gain by food (W)
3968	REAL(wp), PARAMETER :: po = 1013.25_wp !< Air pressure at sea level (hPa)
3969	REAL(wp), PARAMETER :: rob = 1.06_wp !<
3970	!
3971	!-- Internal variables
3972	INTEGER(iwp) :: count1 !< running index
3973	INTEGER(iwp) :: count3 !< running index
3974	INTEGER(iwp) :: j !< running index
3975	INTEGER(iwp) :: i !< running index
3976
3977	LOGICAL :: skipincreasecount !< iteration control flag
3978
3979	REAL(wp) :: cbare !< Convection through bare skin
3980	REAL(wp) :: cclo !< Convection through clothing
3981	REAL(wp) :: csum !< Convection in total
3982	REAL(wp) :: di !< difference between r1 and r2
3983	REAL(wp) :: ed !< energy transfer by diffusion (W)
3984	REAL(wp) :: enbal !< energy ballance (W)
3985	REAL(wp) :: enbal2 !< energy ballance (storage, last cycle)
3986	REAL(wp) :: eswdif !< difference between sweat production and evaporation potential
3987	REAL(wp) :: eswphy !< sweat created by physiology
3988	REAL(wp) :: eswpot !< potential sweat evaporation
3989	REAL(wp) :: fec !<
3990	REAL(wp) :: hc !<
3991	REAL(wp) :: he !<
3992	REAL(wp) :: htcl !<
3993	REAL(wp) :: r1 !<
3994	REAL(wp) :: r2 !<
3995	REAL(wp) :: rbare !< Radiational loss of bare skin (W/mÂ²)
3996	REAL(wp) :: rcl !<
3997	REAL(wp) :: rclo !< Radiational loss of clothing (W/mÂ²)
3998	REAL(wp) :: rclo2 !< Longwave radiation gain or loss (W/mÂ²)
3999	REAL(wp) :: rsum !< Radiational loss or gain (W/mÂ²)
4000	REAL(wp) :: sw !<
4001	! REAL(wp) :: swf !< female factor, currently unused
4002	REAL(wp) :: swm !<
4003	REAL(wp) :: tbody !<
4004	REAL(wp) :: vb !<
4005	REAL(wp) :: vb1 !<
4006	REAL(wp) :: vb2 !<
4007	REAL(wp) :: wd !<
4008	REAL(wp) :: wr !<
4009	REAL(wp) :: ws !<
4010	REAL(wp) :: wsum !<
4011	REAL(wp) :: xx !< modification step (K)
4012	REAL(wp) :: y !< fraction of bare skin
4013
4014	REAL(wp) :: c(0:10) !< Core temperature array (degree_C)
4015	REAL(wp) :: tcore(1:7) !<
4016
4017	!
4018	!-- Initialize
4019	wetsk = 0.0_wp !< skin is dry everywhere on init (no non-evaporated sweat)
4020	!
4021	!-- Set Du Bois Area for the sample person
4022	adu = 0.203_wp * mbody*0.425_wp ht**0.725_wp
4023	!
4024	!-- Initialize convective heat considering local air preassure
4025	hc = 2.67_wp + ( 6.5_wp * v**0.67_wp )
4026	hc = hc * ( pair / po )**0.55_wp
4027	!
4028	!-- Set surface modification by posture (the person will always stand)
4029	feff = 0.725_wp !< Posture: 0.725 for stading
4030	!
4031	!-- Set surface modification by clothing
4032	facl = ( - 2.36_wp + 173.51_wp * clo - 100.76_wp * clo * clo + 19.28_wp * ( clo**3.0_wp ) ) &
4033	/ 100.0_wp
4034	IF ( facl > 1.0_wp ) facl = 1.0_wp
4035	!
4036	!-- Initialize heat resistences
4037	rcl = ( clo / 6.45_wp ) / facl
4038	IF ( clo >= 2.0_wp ) y = 1.0_wp
4039	IF ( ( clo > 0.6_wp ) .AND. ( clo < 2.0_wp ) ) y = ( ht - 0.2_wp ) / ht
4040	IF ( ( clo <= 0.6_wp ) .AND. ( clo > 0.3_wp ) ) y = 0.5_wp
4041	IF ( ( clo <= 0.3_wp ) .AND. ( clo > 0.0_wp ) ) y = 0.1_wp
4042	r2 = adu * ( fcl - 1.0_wp + facl ) / ( 2.0_wp * 3.14_wp * ht * y )
4043	r1 = facl * adu / ( 2.0_wp * 3.14_wp * ht * y )
4044	di = r2 - r1
4045
4046	!
4047	!-- Estimate skin temperatur
4048	DO j = 1, 7
4049
4050	tsk = 34.0_wp
4051	count1 = 0_iwp
4052	tcl = ( ta + tmrt + tsk ) / 3.0_wp
4053	count3 = 1_iwp
4054	enbal2 = 0.0_wp
4055
4056	DO i = 1, 100 ! allow for 100 iterations max
4057	acl = adu * facl + adu * ( fcl - 1.0_wp )
4058	rclo2 = emcl * sigma_sb * ( ( tcl + degc_to_k )**4.0_wp - &
4059	( tmrt + degc_to_k )*4.0_wp ) feff
4060	htcl = 6.28_wp * ht * y * di / ( rcl * LOG( r2 / r1 ) * acl )
4061	tsk = 1.0_wp / htcl * ( hc * ( tcl - ta ) + rclo2 ) + tcl
4062	!
4063	!-- Radiation saldo
4064	aeff = adu * feff
4065	rbare = aeff * ( 1.0_wp - facl ) * emsk * sigma_sb * &
4066	( ( tmrt + degc_to_k )4.0_wp - ( tsk + degc_to_k )4.0_wp )
4067	rclo = feff * acl * emcl * sigma_sb * &
4068	( ( tmrt + degc_to_k )4.0_wp - ( tcl + degc_to_k )4.0_wp )
4069	rsum = rbare + rclo
4070	!
4071	!-- Convection
4072	cbare = hc * ( ta - tsk ) * adu * ( 1.0_wp - facl )
4073	cclo = hc * ( ta - tcl ) * acl
4074	csum = cbare + cclo
4075	!
4076	!-- Core temperature
4077	c(0) = int_heat + ere
4078	c(1) = adu * rob * cb
4079	c(2) = 18.0_wp - 0.5_wp * tsk
4080	c(3) = 5.28_wp * adu * c(2)
4081	c(4) = 0.0208_wp * c(1)
4082	c(5) = 0.76075_wp * c(1)
4083	c(6) = c(3) - c(5) - tsk * c(4)
4084	c(7) = - c(0) * c(2) - tsk * c(3) + tsk * c(5)
4085	c(8) = c(6) * c(6) - 4.0_wp * c(4) * c(7)
4086	c(9) = 5.28_wp * adu - c(5) - c(4) * tsk
4087	c(10) = c(9) * c(9) - 4.0_wp * c(4) * ( c(5) * tsk - c(0) - 5.28_wp * adu * tsk )
4088
4089	IF ( ABS( tsk - 36.0_wp ) < 0.00001_wp ) tsk = 36.01_wp
4090	tcore(7) = c(0) / ( 5.28_wp * adu + c(1) * 6.3_wp / 3600.0_wp ) + tsk
4091	tcore(3) = c(0) / ( 5.28_wp * adu + ( c(1) * 6.3_wp / 3600.0_wp ) / &
4092	( 1.0_wp + 0.5_wp * ( 34.0_wp - tsk ) ) ) + tsk
4093	IF ( c(10) >= 0.0_wp ) THEN
4094	tcore(6) = ( - c(9) - c(10)*0.5_wp ) / ( 2.0_wp c(4) )
4095	tcore(1) = ( - c(9) + c(10)*0.5_wp ) / ( 2.0_wp c(4) )
4096	ENDIF
4097
4098	IF ( c(8) >= 0.0_wp ) THEN
4099	tcore(2) = ( - c(6) + ABS( c(8) )*0.5_wp ) / ( 2.0_wp c(4) )
4100	tcore(5) = ( - c(6) - ABS( c(8) )*0.5_wp ) / ( 2.0_wp c(4) )
4101	tcore(4) = c(0) / ( 5.28_wp * adu + c(1) * 1.0_wp / 40.0_wp ) + tsk
4102	ENDIF
4103	!
4104	!-- Transpiration
4105	tbody = 0.1_wp * tsk + 0.9_wp * tcore(j)
4106	swm = 304.94_wp * ( tbody - 36.6_wp ) * adu / 3600000.0_wp
4107	vpts = 6.11_wp * 10.0_wp*( 7.45_wp tsk / ( 235.0_wp + tsk ) )
4108
4109	IF ( tbody <= 36.6_wp ) swm = 0.0_wp !< no need for sweating
4110
4111	sw = swm
4112	eswphy = - sw * l_v
4113	he = 0.633_wp * hc / ( pair * c_p )
4114	fec = 1.0_wp / ( 1.0_wp + 0.92_wp * hc * rcl )
4115	eswpot = he * ( vpa - vpts ) * adu * l_v * fec
4116	wetsk = eswphy / eswpot
4117
4118	IF ( wetsk > 1.0_wp ) wetsk = 1.0_wp
4119	!
4120	!-- Sweat production > evaporation?
4121	eswdif = eswphy - eswpot
4122
4123	IF ( eswdif <= 0.0_wp ) esw = eswpot !< Limit is evaporation
4124	IF ( eswdif > 0.0_wp ) esw = eswphy !< Limit is sweat production
4125	IF ( esw > 0.0_wp ) esw = 0.0_wp !< Sweat can't be evaporated, no more cooling
4126	!< effect
4127	!
4128	!-- Diffusion
4129	rdsk = 0.79_wp * 10.0_wp**7.0_wp
4130	rdcl = 0.0_wp
4131	ed = l_v / ( rdsk + rdcl ) * adu * ( 1.0_wp - wetsk ) * ( vpa - vpts )
4132	!
4133	!-- Max vb
4134	vb1 = 34.0_wp - tsk
4135	vb2 = tcore(j) - 36.6_wp
4136
4137	IF ( vb2 < 0.0_wp ) vb2 = 0.0_wp
4138	IF ( vb1 < 0.0_wp ) vb1 = 0.0_wp
4139	vb = ( 6.3_wp + 75.0_wp * vb2 ) / ( 1.0_wp + 0.5_wp * vb1 )
4140	!
4141	!-- Energy ballence
4142	enbal = int_heat + ed + ere + esw + csum + rsum + food
4143	!
4144	!-- Clothing temperature
4145	xx = 0.001_wp
4146	IF ( count1 == 0_iwp ) xx = 1.0_wp
4147	IF ( count1 == 1_iwp ) xx = 0.1_wp
4148	IF ( count1 == 2_iwp ) xx = 0.01_wp
4149	IF ( count1 == 3_iwp ) xx = 0.001_wp
4150
4151	IF ( enbal > 0.0_wp ) tcl = tcl + xx
4152	IF ( enbal < 0.0_wp ) tcl = tcl - xx
4153
4154	skipincreasecount = .FALSE.
4155	IF ( ( (enbal <= 0.0_wp ) .AND. (enbal2 > 0.0_wp ) ) .OR. &
4156	( ( enbal >= 0.0_wp ) .AND. ( enbal2 < 0.0_wp ) ) ) THEN
4157	skipincreasecount = .TRUE.
4158	ELSE
4159	enbal2 = enbal
4160	count3 = count3 + 1_iwp
4161	ENDIF
4162
4163	IF ( ( count3 > 200_iwp ) .OR. skipincreasecount ) THEN
4164	IF ( count1 < 3_iwp ) THEN
4165	count1 = count1 + 1_iwp
4166	enbal2 = 0.0_wp
4167	ELSE
4168	EXIT
4169	ENDIF
4170	ENDIF
4171	ENDDO
4172
4173	IF ( count1 == 3_iwp ) THEN
4174	SELECT CASE ( j )
4175	CASE ( 2, 5)
4176	IF ( .NOT. ( ( tcore(j) >= 36.6_wp ) .AND. ( tsk <= 34.050_wp ) ) ) CYCLE
4177	CASE ( 6, 1 )
4178	IF ( c(10) < 0.0_wp ) CYCLE
4179	IF ( .NOT. ( ( tcore(j) >= 36.6_wp ) .AND. ( tsk > 33.850_wp ) ) ) CYCLE
4180	CASE ( 3 )
4181	IF ( .NOT. ( ( tcore(j) < 36.6_wp ) .AND. ( tsk <= 34.000_wp ) ) ) CYCLE
4182	CASE ( 7 )
4183	IF ( .NOT. ( ( tcore(j) < 36.6_wp ) .AND. ( tsk > 34.000_wp ) ) ) CYCLE
4184	CASE default
4185	END SELECT
4186	ENDIF
4187
4188	IF ( ( j /= 4_iwp ) .AND. ( vb >= 91.0_wp ) ) CYCLE
4189	IF ( ( j == 4_iwp ) .AND. ( vb < 89.0_wp ) ) CYCLE
4190	IF ( vb > 90.0_wp ) vb = 90.0_wp
4191	!
4192	!-- Loses by water
4193	ws = sw * 3600.0_wp * 1000.0_wp
4194	IF ( ws > 2000.0_wp ) ws = 2000.0_wp
4195	wd = ed / l_v * 3600.0_wp * ( -1000.0_wp )
4196	wr = erel / l_v * 3600.0_wp * ( -1000.0_wp )
4197
4198	wsum = ws + wr + wd
4199
4200	RETURN
4201	ENDDO
4202	END SUBROUTINE heat_exch
4203
4204	!--------------------------------------------------------------------------------------------------!
4205	! Description:
4206	! ------------
4207	!> Calculate PET
4208	!--------------------------------------------------------------------------------------------------!
4209	SUBROUTINE pet_iteration( acl, adu, aeff, esw, facl, feff, int_heat, pair, rdcl, rdsk, rtv, ta, &
4210	tcl, tsk, pet_ij, vpts, wetsk )
4211	!
4212	!-- Input arguments:
4213	REAL(wp), INTENT( IN ) :: acl !< clothing surface area (mÂ²)
4214	REAL(wp), INTENT( IN ) :: adu !< Du-Bois area (mÂ²)
4215	REAL(wp), INTENT( IN ) :: esw !< energy-loss through sweat evap. (W)
4216	REAL(wp), INTENT( IN ) :: facl !< surface area extension through clothing (factor)
4217	REAL(wp), INTENT( IN ) :: feff !< surface modification by posture (factor)
4218	REAL(wp), INTENT( IN ) :: int_heat !< internal heat production (W)
4219	REAL(wp), INTENT( IN ) :: pair !< air pressure (hPa)
4220	REAL(wp), INTENT( IN ) :: rdcl !< diffusion resistence of clothing (factor)
4221	REAL(wp), INTENT( IN ) :: rdsk !< diffusion resistence of skin (factor)
4222	REAL(wp), INTENT( IN ) :: rtv !< respiratory volume
4223	REAL(wp), INTENT( IN ) :: ta !< air temperature (degree_C)
4224	REAL(wp), INTENT( IN ) :: tcl !< clothing temperature (degree_C)
4225	REAL(wp), INTENT( IN ) :: tsk !< skin temperature (degree_C)
4226	REAL(wp), INTENT( IN ) :: vpts !< sat. vapor pressure over skin (hPa)
4227	REAL(wp), INTENT( IN ) :: wetsk !< fraction of wet skin (dimensionless)
4228	!
4229	!-- Output arguments:
4230	REAL(wp), INTENT( OUT ) :: aeff !< effective surface area (mÂ²)
4231	REAL(wp), INTENT( OUT ) :: pet_ij !< PET (degree_C)
4232	!
4233	!-- Cconstants:
4234	REAL(wp), PARAMETER :: emcl = 0.95_wp !< Longwave emission coef. of cloth
4235	REAL(wp), PARAMETER :: emsk = 0.99_wp !< Longwave emission coef. of skin
4236	REAL(wp), PARAMETER :: po = 1013.25_wp !< Air pressure at sea level (hPa)
4237	!
4238	!-- Internal variables
4239	INTEGER ( iwp ) :: count1 !< running index
4240	INTEGER ( iwp ) :: i !< running index
4241
4242	REAL ( wp ) :: cbare !< Convection through bare skin
4243	REAL ( wp ) :: cclo !< Convection through clothing
4244	REAL ( wp ) :: csum !< Convection in total
4245	REAL ( wp ) :: ed !< Diffusion (W)
4246	REAL ( wp ) :: enbal !< Energy ballance (W)
4247	REAL ( wp ) :: enbal2 !< Energy ballance (last iteration cycle)
4248	REAL ( wp ) :: ere !< Energy ballance result (W)
4249	REAL ( wp ) :: erel !< Latent energy ballance (W)
4250	REAL ( wp ) :: eres !< Sensible respiratory heat flux (W)
4251	REAL ( wp ) :: hc !<
4252	REAL ( wp ) :: rbare !< Radiational loss of bare skin (W/mÂ²)
4253	REAL ( wp ) :: rclo !< Radiational loss of clothing (W/mÂ²)
4254	REAL ( wp ) :: rsum !< Radiational loss or gain (W/mÂ²)
4255	REAL ( wp ) :: tex !< Temperat. of exhaled air (degree_C)
4256	REAL ( wp ) :: vpex !< Vapor pressure of exhaled air (hPa)
4257	REAL ( wp ) :: xx !< Delta PET per iteration (K)
4258
4259
4260	pet_ij = ta
4261	enbal2 = 0.0_wp
4262
4263	DO count1 = 0, 3
4264	DO i = 1, 125 ! 500 / 4
4265	hc = 2.67_wp + 6.5_wp * 0.1_wp**0.67_wp
4266	hc = hc * ( pair / po )**0.55_wp
4267	!
4268	!-- Radiation
4269	aeff = adu * feff
4270	rbare = aeff * ( 1.0_wp - facl ) * emsk * sigma_sb * &
4271	( ( pet_ij + degc_to_k )4.0_wp - ( tsk + degc_to_k )4.0_wp )
4272	rclo = feff * acl * emcl * sigma_sb * &
4273	( ( pet_ij + degc_to_k )4.0_wp - ( tcl + degc_to_k )4.0_wp )
4274	rsum = rbare + rclo
4275	!
4276	!-- Covection
4277	cbare = hc * ( pet_ij - tsk ) * adu * ( 1.0_wp - facl )
4278	cclo = hc * ( pet_ij - tcl ) * acl
4279	csum = cbare + cclo
4280	!
4281	!-- Diffusion
4282	ed = l_v / ( rdsk + rdcl ) * adu * ( 1.0_wp - wetsk ) * ( 12.0_wp - vpts )
4283	!
4284	!-- Respiration
4285	tex = 0.47_wp * pet_ij + 21.0_wp
4286	eres = c_p * ( pet_ij - tex ) * rtv
4287	vpex = 6.11_wp * 10.0_wp*( 7.45_wp tex / ( 235.0_wp + tex ) )
4288	erel = 0.623_wp * l_v / pair * ( 12.0_wp - vpex ) * rtv
4289	ere = eres + erel
4290	!
4291	!-- Energy ballance
4292	enbal = int_heat + ed + ere + esw + csum + rsum
4293	!
4294	!-- Iteration concerning ta
4295	xx = 0.001_wp
4296	IF ( count1 == 0_iwp ) xx = 1.0_wp
4297	IF ( count1 == 1_iwp ) xx = 0.1_wp
4298	IF ( count1 == 2_iwp ) xx = 0.01_wp
4299	! IF ( count1 == 3_iwp ) xx = 0.001_wp
4300	IF ( enbal > 0.0_wp ) pet_ij = pet_ij - xx
4301	IF ( enbal < 0.0_wp ) pet_ij = pet_ij + xx
4302	IF ( ( enbal <= 0.0_wp ) .AND. ( enbal2 > 0.0_wp ) ) EXIT
4303	IF ( ( enbal >= 0.0_wp ) .AND. ( enbal2 < 0.0_wp ) ) EXIT
4304
4305	enbal2 = enbal
4306	ENDDO
4307	ENDDO
4308	END SUBROUTINE pet_iteration
4309
4310	!
4311	!-- UVEM specific subroutines
4312
4313	!--------------------------------------------------------------------------------------------------!
4314	! Description:
4315	! ------------
4316	!> Module-specific routine for new module
4317	!--------------------------------------------------------------------------------------------------!
4318	SUBROUTINE uvem_solar_position
4319
4320	USE control_parameters, &
4321	ONLY: latitude, longitude, time_SINce_reference_point
4322
4323	IMPLICIT NONE
4324
4325	INTEGER(iwp) :: day_of_year = 0 !< day of year
4326
4327	REAL(wp) :: alpha = 0.0_wp !< solar azimuth angle in radiant
4328	REAL(wp) :: declination = 0.0_wp !< declination
4329	REAL(wp) :: dtor = 0.0_wp !< factor to convert degree to radiant
4330	REAL(wp) :: js = 0.0_wp !< parameter for solar position calculation
4331	REAL(wp) :: lat = 52.39_wp !< latitude
4332	REAL(wp) :: lon = 9.7_wp !< longitude
4333	REAL(wp) :: second_of_day = 0.0_wp !< current second of the day
4334	REAL(wp) :: thetar = 0.0_wp !< angle for solar zenith angle calculation
4335	REAL(wp) :: thetasr = 0.0_wp !< angle for solar azimuth angle calculation
4336	REAL(wp) :: zgl = 0.0_wp !< calculated exposure by direct beam
4337	REAL(wp) :: woz = 0.0_wp !< calculated exposure by diffuse radiation
4338	REAL(wp) :: wsp = 0.0_wp !< calculated exposure by direct beam
4339
4340
4341	CALL get_date_time( time_SINce_reference_point, day_of_year = day_of_year, &
4342	second_of_day = second_of_day )
4343	dtor = pi / 180.0_wp
4344	lat = latitude
4345	lon = longitude
4346	!
4347	!-- Calculation of js, necessary for calculation of equation of time (zgl) :
4348	js= 72.0_wp * ( REAL( day_of_year, KIND = wp ) + ( second_of_day / 86400.0_wp ) ) / 73.0_wp
4349	!
4350	!-- Calculation of equation of time (zgl):
4351	zgl = 0.0066_wp + 7.3525_wp * COS( ( js + 85.9_wp ) * dtor ) + 9.9359_wp * &
4352	COS( ( 2.0_wp * js + 108.9_wp ) * dtor ) + 0.3387_wp * COS( ( 3 * js + 105.2_wp ) * dtor )
4353	!
4354	!-- Calculation of apparent solar time woz:
4355	woz = ( ( second_of_day / 3600.0_wp ) - ( 4.0_wp * ( 15.0_wp - lon ) ) / 60.0_wp ) + &
4356	( zgl / 60.0_wp )
4357	!
4358	!-- Calculation of hour angle (wsp):
4359	wsp = ( woz - 12.0_wp ) * 15.0_wp
4360	!
4361	!-- Calculation of declination:
4362	declination = 0.3948_wp - 23.2559_wp * COS( ( js + 9.1_wp ) * dtor ) - &
4363	0.3915_wp * COS( ( 2.0_wp * js + 5.4_wp ) * dtor ) - 0.1764_wp * &
4364	COS( ( 3.0_wp * js + 26.0_wp ) * dtor )
4365	!
4366	!-- Calculation of solar zenith angle
4367	thetar = ACOS( SIN( lat * dtor) * SIN( declination * dtor ) + COS( wsp * dtor ) * &
4368	COS( lat * dtor ) * COS( declination * dtor ) )
4369	thetasr = ASIN( SIN( lat * dtor) * SIN( declination * dtor ) + COS( wsp * dtor ) * &
4370	COS( lat * dtor ) * COS( declination * dtor ) )
4371	sza = thetar / dtor
4372	!
4373	!-- calculation of solar azimuth angle
4374	IF (woz <= 12.0_wp) alpha = pi - ACOS( ( SIN(thetasr) * SIN( lat * dtor ) - &
4375	SIN( declination * dtor ) ) / ( COS(thetasr) * COS( lat * dtor ) ) )
4376	IF (woz > 12.0_wp) alpha = pi + ACOS( ( SIN(thetasr) * SIN( lat * dtor ) - &
4377	SIN( declination * dtor ) ) / ( COS(thetasr) * COS( lat * dtor ) ) )
4378	saa = alpha / dtor
4379
4380	END SUBROUTINE uvem_solar_position
4381
4382
4383	!--------------------------------------------------------------------------------------------------!
4384	! Description:
4385	! ------------
4386	!> Module-specific routine for new module
4387	!--------------------------------------------------------------------------------------------------!
4388	SUBROUTINE bio_calculate_uv_exposure
4389
4390	USE indices, &
4391	ONLY: nxl, nxr, nyn, nys
4392
4393
4394	IMPLICIT NONE
4395
4396	INTEGER(iwp) :: i !< loop index in x direction
4397	INTEGER(iwp) :: j !< loop index in y direction
4398	INTEGER(iwp) :: szai !< loop index for different sza values
4399
4400	CALL uvem_solar_position
4401
4402	IF (sza >= 90) THEN
4403	vitd3_exposure(:,:) = 0.0_wp
4404	ELSE
4405
4406	DO ai = 0, 35
4407	DO zi = 0, 9
4408	projection_area_lookup_table(ai,zi) = uvem_projarea_f%var(clothing,zi,ai)
4409	ENDDO
4410	ENDDO
4411	DO ai = 0, 35
4412	DO zi = 0, 9
4413	integration_array(ai,zi) = uvem_integration_f%var(zi,ai)
4414	ENDDO
4415	ENDDO
4416	DO ai = 0, 2
4417	DO zi = 0, 90
4418	irradiance_lookup_table(ai,zi) = uvem_irradiance_f%var(zi,ai)
4419	ENDDO
4420	ENDDO
4421	DO ai = 0, 35
4422	DO zi = 0, 9
4423	DO szai = 0, 90
4424	radiance_lookup_table(ai,zi,szai) = uvem_radiance_f%var(szai,zi,ai)
4425	ENDDO
4426	ENDDO
4427	ENDDO
4428
4429
4430	!-- Rotate 3D-Model human to desired direction
4431	projection_area_temp( 0:35,:) = projection_area_lookup_table
4432	projection_area_temp(36:71,:) = projection_area_lookup_table
4433	IF ( .NOT. turn_to_sun ) startpos_human = orientation_angle / 10.0_wp
4434	IF ( turn_to_sun ) startpos_human = saa / 10.0_wp
4435	DO ai = 0, 35
4436	xfactor = ( startpos_human ) - INT( startpos_human )
4437	DO zi = 0, 9
4438	projection_area(ai,zi) = ( projection_area_temp( 36 - &
4439	INT( startpos_human ) - 1 + ai , zi)&
4440	* ( xfactor ) ) &
4441	+ ( projection_area_temp( 36 - &
4442	INT( startpos_human ) + ai , zi) &
4443	* ( 1.0_wp - xfactor ) )
4444	ENDDO
4445	ENDDO
4446	!
4447	!
4448	!-- Interpolate to accurate Solar Zenith Angle
4449	DO ai = 0, 35
4450	xfactor = ( sza )-INT( sza )
4451	DO zi = 0, 9
4452	radiance_array(ai,zi) = ( radiance_lookup_table(ai, zi, INT( sza ) ) * &
4453	( 1.0_wp - xfactor) ) + &
4454	( radiance_lookup_table(ai,zi,INT( sza ) + 1) * xfactor )
4455	ENDDO
4456	ENDDO
4457	DO iq = 0, 2
4458	irradiance(iq) = ( irradiance_lookup_table(iq, INT( sza ) ) * ( 1.0_wp - xfactor)) + &
4459	( irradiance_lookup_table(iq, INT( sza ) + 1) * xfactor )
4460	ENDDO
4461	!
4462	!-- Interpolate to accurate Solar Azimuth Angle
4463	IF ( sun_in_south ) THEN
4464	startpos_saa_float = 180.0_wp / 10.0_wp
4465	ELSE
4466	startpos_saa_float = saa / 10.0_wp
4467	ENDIF
4468	radiance_array_temp( 0:35,:) = radiance_array
4469	radiance_array_temp(36:71,:) = radiance_array
4470	xfactor = (startpos_saa_float) - INT( startpos_saa_float )
4471	DO ai = 0, 35
4472	DO zi = 0, 9
4473	radiance_array(ai,zi) = ( radiance_array_temp(36 - &
4474	INT( startpos_saa_float ) - 1 + ai, zi) &
4475	* ( xfactor ) ) &
4476	+ ( radiance_array_temp(36 - &
4477	INT( startpos_saa_float ) + ai, zi) &
4478	* ( 1.0_wp - xfactor ) )
4479	ENDDO
4480	ENDDO
4481
4482	!
4483	!-- Calculate Projectionarea for direct beam
4484	projection_area_direct_temp( 0:35,:) = projection_area
4485	projection_area_direct_temp(36:71,:) = projection_area
4486	yfactor = ( sza / 10.0_wp ) - INT( sza / 10.0_wp )
4487	xfactor = ( startpos_saa_float ) - INT( startpos_saa_float )
4488	projection_area_direct_beam = ( projection_area_direct_temp( INT(startpos_saa_float) ,INT(sza/10.0_wp) ) * &
4489	( 1.0_wp - xfactor ) * ( 1.0_wp - yfactor ) ) + &
4490	( projection_area_direct_temp( INT(startpos_saa_float) + 1,INT(sza/10.0_wp) ) * &
4491	( xfactor ) * ( 1.0_wp - yfactor ) ) + &
4492	( projection_area_direct_temp( INT(startpos_saa_float) ,INT(sza/10.0_wp)+1) * &
4493	( 1.0_wp - xfactor ) * ( yfactor ) ) + &
4494	( projection_area_direct_temp( INT(startpos_saa_float) + 1,INT(sza/10.0_wp)+1) * &
4495	( xfactor ) * ( yfactor ) )
4496
4497
4498	DO i = nxl, nxr
4499	DO j = nys, nyn
4500	!
4501	!-- Extract obstruction from IBSET-Integer_Array
4502	IF (consider_obstructions ) THEN
4503	obstruction_temp1 = building_obstruction_f%var_3d(:,j,i)
4504	IF ( obstruction_temp1(0) /= 9 ) THEN
4505	DO pobi = 0, 44
4506	DO bi = 0, 7
4507	IF ( BTEST( obstruction_temp1(pobi), bi ) .EQV. .TRUE.) THEN
4508	obstruction_temp2( ( pobi * 8 ) + bi ) = 1
4509	ELSE
4510	obstruction_temp2( ( pobi * 8 ) + bi ) = 0
4511	ENDIF
4512	ENDDO
4513	ENDDO
4514	DO zi = 0, 9
4515	obstruction(:,zi) = obstruction_temp2( zi * 36 :( zi * 36) + 35 )
4516	ENDDO
4517	ELSE
4518	obstruction(:,:) = 0
4519	ENDIF
4520	ENDIF
4521	!
4522	!-- Calculated human exposure
4523	diffuse_exposure = SUM( radiance_array * projection_area * integration_array * &
4524	obstruction )
4525
4526	obstruction_direct_beam = obstruction( NINT( startpos_saa_float), &
4527	NINT( sza / 10.0_wp ) )
4528	IF (sza >= 89.99_wp) THEN
4529	sza = 89.99999_wp
4530	ENDIF
4531	!
4532	!-- Calculate direct normal irradiance (direct beam)
4533	direct_exposure = ( irradiance(1) / COS( pi * sza / 180.0_wp ) ) * &
4534	projection_area_direct_beam * obstruction_direct_beam
4535
4536	vitd3_exposure(j,i) = ( diffuse_exposure + direct_exposure ) / 1000.0_wp * 70.97_wp
4537	! unit = international units vitamin D per second
4538	ENDDO
4539	ENDDO
4540	ENDIF
4541
4542	END SUBROUTINE bio_calculate_uv_exposure
4543
4544	END MODULE biometeorology_mod

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source: palm/trunk/SOURCE/biometeorology_mod.f90 @ 4626

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