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source: palm/trunk/SOURCE/modules.f90 @ 4743

Last change on this file since 4743 was 4742, checked in by schwenkel, 4 years ago
Implement snow and graupel (bulk microphysics)
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File size: 130.4 KB

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1	!> @file modules.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2020 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! ------------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: modules.f90 4742 2020-10-14 15:11:02Z suehring $
27	! Implement snow and graupel (bulk microphysics)
28	!
29	! 4721 2020-10-02 10:21:52Z suehring
30	! Change default value spinup_pt_amplitude to 0.0 K
31	!
32	! 4680 2020-09-16 10:20:34Z gronemeier
33	! Add option to fix date or time of the simulation
34	!
35	! 4658 2020-08-28 18:15:50Z suehring
36	! Change default value of dt_spinup
37	!
38	! 4629 2020-07-29 09:37:56Z raasch
39	! support for MPI Fortran77 interface (mpif.h) removed
40	!
41	! 4581 2020-06-29 08:49:58Z suehring
42	! +sums_wschs_ws_l
43	!
44	! 4574 2020-06-24 16:33:32Z pavelkrc
45	!
46	! 4572 2020-06-24 10:09:41Z gronemeier
47	! Revise description of rotation_angle
48	!
49	! 4565 2020-06-15 08:30:38Z oliver.maas
50	! added pt_surface_heating_rate
51	!
52	! 4536 2020-05-17 17:24:13Z raasch
53	! +qsurf_av, ssurf_av
54	!
55	! 4505 2020-04-20 15:37:15Z schwenkel
56	! Add flag for saturation check
57	!
58	! 4502 2020-04-17 16:14:16Z raasch
59	! Implementation of ice microphysics
60	!
61	! 4495 2020-04-13 20:11:20Z raasch
62	! +restart_data_format, restart_data_format_input\|output, include_total_domain_boundaries
63	!
64	! 4476 2020-03-27 12:56:41Z maronga
65	! Renamed variables for subgrids-scale model steering
66	!
67	! 4473 2020-03-25 21:04:07Z gronemeier
68	! moved wall_adjustment_factor to turbulence_closure_mod
69	!
70	! 4472 2020-03-24 12:21:00Z Giersch
71	! Additional switch added to activate calculations in flow_statistics for the
72	! kolmogorov length scale
73	!
74	! 4461 2020-03-12 16:51:59Z raasch
75	! +virtual_pe_grid, communicator_configurations
76	!
77	! 4414 2020-02-19 20:16:04Z suehring
78	! - nzb_diff_s_inner, nzb_diff_s_outer, nzb_inner,nzb_outer, nzb_s_inner,
79	! nzb_s_outer, nzb_u_inner, nzb_u_outer, nzb_v_inner, nzb_v_outer,
80	! nzb_w_inner, nzb_w_outer
81	!
82	!
83	! 4360 2020-01-07 11:25:50Z suehring
84	! Introduction of wall_flags_total_0, which currently sets bits based on static
85	! topography information used in wall_flags_static_0
86	!
87	! 4340 2019-12-16 08:17:03Z Giersch
88	! Flag for topography closed channel flow with symmetric boundaries introduced
89	!
90	! 4331 2019-12-10 18:25:02Z suehring
91	! - do_output_at_2m, pt_2m_av
92	!
93	! 4329 2019-12-10 15:46:36Z motisi
94	! Renamed wall_flags_0 to wall_flags_static_0
95	!
96	! 4301 2019-11-22 12:09:09Z oliver.maas
97	! removed recycling_yshift
98	!
99	! 4297 2019-11-21 10:37:50Z oliver.maas
100	! changed variable type of recycling_yshift from LOGICAL to INTEGER
101	!
102	! 4293 2019-11-12 14:44:01Z Giersch
103	! Add origin_date_time
104	!
105	! 4146 2019-08-07 07:47:36Z gronemeier
106	! Added rotation_angle
107	!
108	! 4184 2019-08-23 08:07:40Z oliver.maas
109	! changed allocated length of recycling_method_for_thermodynamic_quantities
110	! from 20 to 80 characters
111	!
112	! 4183 2019-08-23 07:33:16Z oliver.maas
113	! removed recycle_absolute_quantities and raq
114	! added recycling_method_for_thermodynamic_quantities
115	!
116	! 4182 2019-08-22 15:20:23Z scharf
117	! Corrected "Former revisions" section
118	!
119	! 4173 2019-08-20 12:04:06Z gronemeier
120	! add vdi_internal_controls
121	!
122	! 4172 2019-08-20 11:55:33Z oliver.maas
123	! added recycle_absolute_quantities and raq
124	!
125	! 4168 2019-08-16 13:50:17Z suehring
126	! +topo_top_ind
127	!
128	! 4131 2019-08-02 11:06:18Z monakurppa
129	! Add max_pr_salsa to control_parameters. Used in creating profile output for
130	! salsa.
131	!
132	! 4110 2019-07-22 17:05:21Z suehring
133	! -advc_flags_1, advc_flags_2
134	! +advc_flags_m, advc_flags_s
135	!
136	! 4109 2019-07-22 17:00:34Z suehring
137	! remove old_dt
138	!
139	! 4079 2019-07-09 18:04:41Z suehring
140	! + monotonic_limiter_z
141	!
142	! 4069 2019-07-01 14:05:51Z Giersch
143	! Masked output running index mid has been introduced as a local variable to
144	! avoid runtime error (Loop variable has been modified) in time_integration
145	!
146	! 4017 2019-06-06 12:16:46Z schwenkel
147	! increase maximum number of virtual flights
148	!
149	! 3987 2019-05-22 09:52:13Z kanani
150	! Introduce alternative switch for debug output during timestepping
151	!
152	! 3885 2019-04-11 11:29:34Z kanani
153	! Changes related to global restructuring of location messages and introduction
154	! of additional debug messages
155	!
156	! 3871 2019-04-08 14:38:39Z knoop
157	! Initialized parameter region
158	!
159	! 3746 2019-02-16 12:41:27Z gronemeier
160	! Removed most_method
161	!
162	! 3648 2019-01-02 16:35:46Z suehring
163	! -surface_data_output +surface_output
164	!
165	!------------------------------------------------------------------------------!
166	! Description:
167	! ------------
168	!> Definition of global variables
169	!------------------------------------------------------------------------------!
170
171
172	!------------------------------------------------------------------------------!
173	! Description:
174	! ------------
175	!> Definition of variables for special advection schemes.
176	!------------------------------------------------------------------------------!
177	MODULE advection
178
179	USE kinds
180
181	REAL(wp), DIMENSION(:), ALLOCATABLE :: aex !< exponential coefficient for the Bott-Chlond advection scheme
182	REAL(wp), DIMENSION(:), ALLOCATABLE :: bex !< exponential coefficient for the Bott-Chlond advection scheme
183	REAL(wp), DIMENSION(:), ALLOCATABLE :: dex !< exponential coefficient for the Bott-Chlond advection scheme
184	REAL(wp), DIMENSION(:), ALLOCATABLE :: eex !< exponential coefficient for the Bott-Chlond advection scheme
185
186	SAVE
187
188	END MODULE advection
189
190
191
192	!------------------------------------------------------------------------------!
193	! Description:
194	! ------------
195	!> The variable in this module is used by multi_agent_system_mod AND
196	!> netcdf_interface_mod. It must be here to avoid circular dependency.
197	!> This is a workaround.
198	!------------------------------------------------------------------------------!
199	MODULE mas_global_attributes
200
201	USE kinds
202
203	INTEGER(iwp) :: dim_size_agtnum !< size of agent number dimension for netCDF output
204
205	SAVE
206
207	END MODULE mas_global_attributes
208
209
210	!------------------------------------------------------------------------------!
211	! Description:
212	! ------------
213	!> Definition of all arrays defined on the computational grid.
214	!------------------------------------------------------------------------------!
215	MODULE arrays_3d
216
217	USE kinds
218
219	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_u_m !< mean phase velocity at outflow for u-component used in radiation boundary condition
220	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_u_m_l !< mean phase velocity at outflow for u-component used in radiation boundary condition (local subdomain value)
221	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_v_m !< mean phase velocity at outflow for v-component used in radiation boundary condition
222	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_v_m_l !< mean phase velocity at outflow for v-component used in radiation boundary condition (local subdomain value)
223	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_w_m !< mean phase velocity at outflow for w-component used in radiation boundary condition
224	REAL(wp), DIMENSION(:), ALLOCATABLE :: c_w_m_l !< mean phase velocity at outflow for w-component used in radiation boundary condition (local subdomain value)
225	REAL(wp), DIMENSION(:), ALLOCATABLE :: ddzu !< 1/dzu
226	REAL(wp), DIMENSION(:), ALLOCATABLE :: ddzu_pres !< modified ddzu for pressure solver
227	REAL(wp), DIMENSION(:), ALLOCATABLE :: dd2zu !< 1/(dzu(k)+dzu(k+1))
228	REAL(wp), DIMENSION(:), ALLOCATABLE :: dzu !< vertical grid size (u-grid)
229	REAL(wp), DIMENSION(:), ALLOCATABLE :: ddzw !< 1/dzw
230	REAL(wp), DIMENSION(:), ALLOCATABLE :: dzw !< vertical grid size (w-grid)
231	REAL(wp), DIMENSION(:), ALLOCATABLE :: hyp !< hydrostatic pressure
232	REAL(wp), DIMENSION(:), ALLOCATABLE :: inflow_damping_factor !< used for turbulent inflow (non-cyclic boundary conditions)
233	REAL(wp), DIMENSION(:), ALLOCATABLE :: ptdf_x !< damping factor for potential temperature in x-direction
234	REAL(wp), DIMENSION(:), ALLOCATABLE :: ptdf_y !< damping factor for potential temperature in y-direction
235	REAL(wp), DIMENSION(:), ALLOCATABLE :: pt_init !< initial profile of potential temperature
236	REAL(wp), DIMENSION(:), ALLOCATABLE :: q_init !< initial profile of total water mixing ratio
237	!< (or total water content with active cloud physics)
238	REAL(wp), DIMENSION(:), ALLOCATABLE :: rdf !< rayleigh damping factor for velocity components
239	REAL(wp), DIMENSION(:), ALLOCATABLE :: rdf_sc !< rayleigh damping factor for scalar quantities
240	REAL(wp), DIMENSION(:), ALLOCATABLE :: ref_state !< reference state of potential temperature
241	!< (and density in case of ocean simulation)
242	REAL(wp), DIMENSION(:), ALLOCATABLE :: s_init !< initial profile of passive scalar concentration
243	REAL(wp), DIMENSION(:), ALLOCATABLE :: sa_init !< initial profile of salinity (ocean)
244	REAL(wp), DIMENSION(:), ALLOCATABLE :: ug !< geostrophic wind component in x-direction
245	REAL(wp), DIMENSION(:), ALLOCATABLE :: u_init !< initial profile of horizontal velocity component u
246	REAL(wp), DIMENSION(:), ALLOCATABLE :: u_stokes_zu !< u-component of Stokes drift velocity at zu levels
247	REAL(wp), DIMENSION(:), ALLOCATABLE :: u_stokes_zw !< u-component of Stokes drift velocity at zw levels
248	REAL(wp), DIMENSION(:), ALLOCATABLE :: vg !< geostrophic wind component in y-direction
249	REAL(wp), DIMENSION(:), ALLOCATABLE :: v_init !< initial profile of horizontal velocity component v
250	REAL(wp), DIMENSION(:), ALLOCATABLE :: v_stokes_zu !< v-component of Stokes drift velocity at zu levels
251	REAL(wp), DIMENSION(:), ALLOCATABLE :: v_stokes_zw !< v-component of Stokes drift velocity at zw levels
252	REAL(wp), DIMENSION(:), ALLOCATABLE :: w_subs !< subsidence/ascent velocity
253	REAL(wp), DIMENSION(:), ALLOCATABLE :: x !< horizontal grid coordinate of v-grid (in m)
254	REAL(wp), DIMENSION(:), ALLOCATABLE :: xu !< horizontal grid coordinate of u-grid (in m)
255	REAL(wp), DIMENSION(:), ALLOCATABLE :: y !< horizontal grid coordinate of u-grid (in m)
256	REAL(wp), DIMENSION(:), ALLOCATABLE :: yv !< horizontal grid coordinate of v-grid (in m)
257	REAL(wp), DIMENSION(:), ALLOCATABLE :: zu !< vertical grid coordinate of u-grid (in m)
258	REAL(wp), DIMENSION(:), ALLOCATABLE :: zw !< vertical grid coordinate of w-grid (in m)
259
260	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: c_u !< phase speed of u-velocity component
261	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: c_v !< phase speed of v-velocity component
262	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: c_w !< phase speed of w-velocity component
263	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_diss !< artificial numerical dissipation flux at south face of grid box - TKE dissipation
264	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_e !< artificial numerical dissipation flux at south face of grid box - subgrid-scale TKE
265	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_nc !< artificial numerical dissipation flux at south face of grid box - clouddrop-number concentration
266	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_ng !< artificial numerical dissipation flux at south face of grid box - graupel number concentration
267	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_ni !< artificial numerical dissipation flux at south face of grid box - ice crystal-number concentration
268	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_nr !< artificial numerical dissipation flux at south face of grid box - raindrop-number concentration
269	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_ns !< artificial numerical dissipation flux at south face of grid box - snow-number concentration
270	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_pt !< artificial numerical dissipation flux at south face of grid box - potential temperature
271	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_q !< artificial numerical dissipation flux at south face of grid box - total water mixing ratio
272	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_qc !< artificial numerical dissipation flux at south face of grid box - cloudwater mixing ratio
273	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_qg !< artificial numerical dissipation flux at south face of grid box - graupel mixing ratio
274	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_qi !< artificial numerical dissipation flux at south face of grid box - ice crystal mixing ratio
275	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_qr !< artificial numerical dissipation flux at south face of grid box - rainwater mixing ratio
276	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_qs !< artificial numerical dissipation flux at south face of grid box - snow mixing ratio
277	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_s !< artificial numerical dissipation flux at south face of grid box - passive scalar
278	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_sa !< artificial numerical dissipation flux at south face of grid box - salinity
279	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_u !< artificial numerical dissipation flux at south face of grid box - u-component
280	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_v !< artificial numerical dissipation flux at south face of grid box - v-component
281	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: diss_s_w !< artificial numerical dissipation flux at south face of grid box - w-component
282	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: dzu_mg !< vertical grid size (u-grid) for multigrid pressure solver
283	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: dzw_mg !< vertical grid size (w-grid) for multigrid pressure solver
284	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_diss !< 6th-order advective flux at south face of grid box - TKE dissipation
285	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_e !< 6th-order advective flux at south face of grid box - subgrid-scale TKE
286	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_nc !< 6th-order advective flux at south face of grid box - clouddrop-number concentration
287	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_ng !< 6th-order advective flux at south face of grid box - graupel-number concentration
288	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_ni !< 6th-order advective flux at south face of grid box - icecrystal-number concentration
289	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_nr !< 6th-order advective flux at south face of grid box - raindrop-number concentration
290	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_ns !< 6th-order advective flux at south face of grid box - graupel-number concentration
291	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_pt !< 6th-order advective flux at south face of grid box - potential temperature
292	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_q !< 6th-order advective flux at south face of grid box - total water mixing ratio
293	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_qc !< 6th-order advective flux at south face of grid box - cloudwater mixing ratio
294	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_qg !< 6th-order advective flux at south face of grid box - graupel mixing ratio
295	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_qi !< 6th-order advective flux at south face of grid box - ice crystal mixing ratio
296	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_qr !< 6th-order advective flux at south face of grid box - rainwater mixing ratio
297	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_qs !< 6th-order advective flux at south face of grid box - snow mixing ratio
298	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_s !< 6th-order advective flux at south face of grid box - passive scalar
299	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_sa !< 6th-order advective flux at south face of grid box - salinity
300	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_u !< 6th-order advective flux at south face of grid box - u-component
301	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_v !< 6th-order advective flux at south face of grid box - v-component
302	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: flux_s_w !< 6th-order advective flux at south face of grid box - w-component
303	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: f1_mg !< grid factor used in right hand side of Gauss-Seidel equation (multigrid)
304	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: f2_mg !< grid factor used in right hand side of Gauss-Seidel equation (multigrid)
305	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: f3_mg !< grid factor used in right hand side of Gauss-Seidel equation (multigrid)
306	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: mean_inflow_profiles !< used for turbulent inflow (non-cyclic boundary conditions)
307	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: precipitation_amount !< precipitation amount due to gravitational settling (bulk microphysics)
308	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pt_slope_ref !< potential temperature in rotated coordinate system
309	!< (in case of sloped surface)
310	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: total_2d_a !< horizontal array to store the total domain data, used for atmosphere-ocean coupling (atmosphere data)
311	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: total_2d_o !< horizontal array to store the total domain data, used for atmosphere-ocean coupling (ocean data)
312
313	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: d !< divergence
314	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: de_dx !< gradient of sgs tke in x-direction (lpm)
315	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: de_dy !< gradient of sgs tke in y-direction (lpm)
316	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: de_dz !< gradient of sgs tke in z-direction (lpm)
317	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_diss !< artificial numerical dissipation flux at left face of grid box - TKE dissipation
318	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_e !< artificial numerical dissipation flux at left face of grid box - subgrid-scale TKE
319	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_nc !< artificial numerical dissipation flux at left face of grid box - clouddrop-number concentration
320	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_ng !< artificial numerical dissipation flux at left face of grid box - graupel-number concentration
321	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_ni !< artificial numerical dissipation flux at left face of grid box - ice crystal-number concentration
322	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_nr !< artificial numerical dissipation flux at left face of grid box - raindrop-number concentration
323	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_ns !< artificial numerical dissipation flux at left face of grid box - snow-number concentration
324	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_pt !< artificial numerical dissipation flux at left face of grid box - potential temperature
325	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_q !< artificial numerical dissipation flux at left face of grid box - total water mixing ratio
326	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_qc !< artificial numerical dissipation flux at left face of grid box - cloudwater
327	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_qg !< artificial numerical dissipation flux at left face of grid box - graupel
328	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_qi !< artificial numerical dissipation flux at left face of grid box - ice crystal
329	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_qr !< artificial numerical dissipation flux at left face of grid box - rainwater
330	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_qs !< artificial numerical dissipation flux at left face of grid box - snow
331	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_s !< artificial numerical dissipation flux at left face of grid box - passive scalar
332	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_sa !< artificial numerical dissipation flux at left face of grid box - salinity
333	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_u !< artificial numerical dissipation flux at left face of grid box - u-component
334	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_v !< artificial numerical dissipation flux at left face of grid box - v-component
335	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: diss_l_w !< artificial numerical dissipation flux at left face of grid box - w-component
336	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_diss !< 6th-order advective flux at south face of grid box - TKE dissipation
337	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_e !< 6th-order advective flux at south face of grid box - subgrid-scale TKE
338	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_nc !< 6th-order advective flux at south face of grid box - clouddrop-number concentration
339	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_ng !< 6th-order advective flux at south face of grid box - graupel-number concentration
340	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_ni !< 6th-order advective flux at south face of grid box - ice crystal-number concentration
341	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_nr !< 6th-order advective flux at south face of grid box - raindrop-number concentration
342	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_ns !< 6th-order advective flux at south face of grid box - snow-number concentration
343	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_pt !< 6th-order advective flux at south face of grid box - potential temperature
344	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_q !< 6th-order advective flux at south face of grid box - mixing ratio
345	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_qc !< 6th-order advective flux at south face of grid box - cloudwater
346	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_qg !< 6th-order advective flux at south face of grid box - graupel
347	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_qi !< 6th-order advective flux at south face of grid box - ice crystal
348	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_qr !< 6th-order advective flux at south face of grid box - rainwater
349	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_qs !< 6th-order advective flux at south face of grid box - snow
350	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_s !< 6th-order advective flux at south face of grid box - passive scalar
351	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_sa !< 6th-order advective flux at south face of grid box - salinity
352	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_u !< 6th-order advective flux at south face of grid box - u-component
353	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_v !< 6th-order advective flux at south face of grid box - v-component
354	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: flux_l_w !< 6th-order advective flux at south face of grid box - w-component
355	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: kh !< eddy diffusivity for heat
356	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: km !< eddy diffusivity for momentum
357	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: prr !< rain rate
358	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: p_loc !< local array in multigrid/sor solver containing the pressure which is iteratively advanced in each iteration step
359	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: tend !< tendency field (time integration)
360	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: tric !< coefficients of the tridiagonal matrix for solution of the Poisson equation in Fourier space
361	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: u_m_l !< velocity data (u at left boundary) from time level t-dt required for radiation boundary condition
362	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: u_m_n !< velocity data (u at north boundary) from time level t-dt required for radiation boundary condition
363	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: u_m_r !< velocity data (u at right boundary) from time level t-dt required for radiation boundary condition
364	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: u_m_s !< velocity data (u at south boundary) from time level t-dt required for radiation boundary condition
365	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: v_m_l !< velocity data (v at left boundary) from time level t-dt required for radiation boundary condition
366	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: v_m_n !< velocity data (v at north boundary) from time level t-dt required for radiation boundary condition
367	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: v_m_r !< velocity data (v at right boundary) from time level t-dt required for radiation boundary condition
368	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: v_m_s !< velocity data (v at south boundary) from time level t-dt required for radiation boundary condition
369	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: w_m_l !< velocity data (w at left boundary) from time level t-dt required for radiation boundary condition
370	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: w_m_n !< velocity data (w at north boundary) from time level t-dt required for radiation boundary condition
371	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: w_m_r !< velocity data (w at right boundary) from time level t-dt required for radiation boundary condition
372	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: w_m_s !< velocity data (w at south boundary) from time level t-dt required for radiation boundary condition
373
374	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: diss_1 !< pointer for swapping of timelevels for respective quantity
375	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: diss_2 !< pointer for swapping of timelevels for respective quantity
376	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: diss_3 !< pointer for swapping of timelevels for respective quantity
377	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: e_1 !< pointer for swapping of timelevels for respective quantity
378	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: e_2 !< pointer for swapping of timelevels for respective quantity
379	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: e_3 !< pointer for swapping of timelevels for respective quantity
380	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: p !< pointer: perturbation pressure
381	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: prho_1 !< pointer for swapping of timelevels for respective quantity
382	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nc_1 !< pointer for swapping of timelevels for respective quantity
383	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nc_2 !< pointer for swapping of timelevels for respective quantity
384	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nc_3 !< pointer for swapping of timelevels for respective quantity
385	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ng_1 !< pointer for swapping of timelevels for respective quantity
386	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ng_2 !< pointer for swapping of timelevels for respective quantity
387	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ng_3 !< pointer for swapping of timelevels for respective quantity
388	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ni_1 !< pointer for swapping of timelevels for respective quantity
389	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ni_2 !< pointer for swapping of timelevels for respective quantity
390	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ni_3 !< pointer for swapping of timelevels for respective quantity
391	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nr_1 !< pointer for swapping of timelevels for respective quantity
392	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nr_2 !< pointer for swapping of timelevels for respective quantity
393	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nr_3 !< pointer for swapping of timelevels for respective quantity
394	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ns_1 !< pointer for swapping of timelevels for respective quantity
395	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ns_2 !< pointer for swapping of timelevels for respective quantity
396	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ns_3 !< pointer for swapping of timelevels for respective quantity
397	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pt_1 !< pointer for swapping of timelevels for respective quantity
398	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pt_2 !< pointer for swapping of timelevels for respective quantity
399	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pt_3 !< pointer for swapping of timelevels for respective quantity
400	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: q_1 !< pointer for swapping of timelevels for respective quantity
401	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: q_2 !< pointer for swapping of timelevels for respective quantity
402	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: q_3 !< pointer for swapping of timelevels for respective quantity
403	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qc_1 !< pointer for swapping of timelevels for respective quantity
404	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qc_2 !< pointer for swapping of timelevels for respective quantity
405	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qc_3 !< pointer for swapping of timelevels for respective quantity
406	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qg_1 !< pointer for swapping of timelevels for respective quantity
407	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qg_2 !< pointer for swapping of timelevels for respective quantity
408	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qg_3 !< pointer for swapping of timelevels for respective quantity
409	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qi_1 !< pointer for swapping of timelevels for respective quantity
410	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qi_2 !< pointer for swapping of timelevels for respective quantity
411	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qi_3 !< pointer for swapping of timelevels for respective quantity
412	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_v !< pointer: volume of liquid water
413	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_vp !< pointer: liquid water weighting factor
414	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qf_1 !< pointer for swapping of timelevels for respective quantity
415	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_1 !< pointer for swapping of timelevels for respective quantity
416	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_2 !< pointer for swapping of timelevels for respective quantity
417	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qr_1 !< pointer for swapping of timelevels for respective quantity
418	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qr_2 !< pointer for swapping of timelevels for respective quantity
419	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qr_3 !< pointer for swapping of timelevels for respective quantity
420	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qs_1 !< pointer for swapping of timelevels for respective quantity
421	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qs_2 !< pointer for swapping of timelevels for respective quantity
422	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qs_3 !< pointer for swapping of timelevels for respective quantity
423	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: rho_1 !< pointer for swapping of timelevels for respective quantity
424	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: s_1 !< pointer for swapping of timelevels for respective quantity
425	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: s_2 !< pointer for swapping of timelevels for respective quantity
426	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: s_3 !< pointer for swapping of timelevels for respective quantity
427	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: sa_1 !< pointer for swapping of timelevels for respective quantity
428	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: sa_2 !< pointer for swapping of timelevels for respective quantity
429	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: sa_3 !< pointer for swapping of timelevels for respective quantity
430	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: u_1 !< pointer for swapping of timelevels for respective quantity
431	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: u_2 !< pointer for swapping of timelevels for respective quantity
432	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: u_3 !< pointer for swapping of timelevels for respective quantity
433	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: v_1 !< pointer for swapping of timelevels for respective quantity
434	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: v_2 !< pointer for swapping of timelevels for respective quantity
435	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: v_3 !< pointer for swapping of timelevels for respective quantity
436	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: vpt_1 !< pointer for swapping of timelevels for respective quantity
437	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: w_1 !< pointer for swapping of timelevels for respective quantity
438	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: w_2 !< pointer for swapping of timelevels for respective quantity
439	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: w_3 !< pointer for swapping of timelevels for respective quantity
440
441	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: diss !< pointer: TKE dissipation
442	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: diss_p !< pointer: prognostic value of TKE dissipation
443	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: e !< pointer: subgrid-scale turbulence kinetic energy (sgs tke)
444	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: e_p !< pointer: prognostic value of sgs tke
445	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: nc !< pointer: cloud drop number density
446	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: nc_p !< pointer: prognostic value of cloud drop number density
447	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ng !< pointer: graupel number density
448	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ng_p !< pointer: prognostic value of graupel number density
449	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ni !< pointer: ice crystal number density
450	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ni_p !< pointer: prognostic value of ice crystal number density
451	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: nr !< pointer: rain drop number density
452	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: nr_p !< pointer: prognostic value of rain drop number density
453	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ns !< pointer: snow number density
454	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ns_p !< pointer: prognostic value of snow number density
455	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: prho !< pointer: potential density
456	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: pt !< pointer: potential temperature
457	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: pt_p !< pointer: prognostic value of potential temperature
458	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: q !< pointer: mixing ratio
459	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: q_p !< pointer: prognostic value of mixing ratio
460	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qc !< pointer: cloud water content
461	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qc_p !< pointer: prognostic value cloud water content
462	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qg !< pointer: graupel water content
463	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qg_p !< pointer: prognostic value graupel water content
464	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qi !< pointer: ice crystal content
465	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qi_p !< pointer: prognostic value ice crystal content
466	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qf !< pointer: frozen water content
467	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ql !< pointer: liquid water content
468	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ql_c !< pointer: change in liquid water content due to
469	!< condensation/evaporation during last time step
470	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qr !< pointer: rain water content
471	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qr_p !< pointer: prognostic value of rain water content
472	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qs !< pointer: rain water content
473	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: qs_p !< pointer: prognostic value of rain water content
474	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: rho_ocean !< pointer: density of ocean
475	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: s !< pointer: passive scalar
476	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: s_p !< pointer: prognostic value of passive scalar
477	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: sa !< pointer: ocean salinity
478	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: sa_p !< pointer: prognostic value of ocean salinity
479	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tdiss_m !< pointer: weighted tendency of diss for previous sub-timestep (Runge-Kutta)
480	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: te_m !< pointer: weighted tendency of e for previous sub-timestep (Runge-Kutta)
481	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tnc_m !< pointer: weighted tendency of nc for previous sub-timestep (Runge-Kutta)
482	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tng_m !< pointer: weighted tendency of ng for previous sub-timestep (Runge-Kutta)
483	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tni_m !< pointer: weighted tendency of ni for previous sub-timestep (Runge-Kutta)
484	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tnr_m !< pointer: weighted tendency of nr for previous sub-timestep (Runge-Kutta)
485	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tns_m !< pointer: weighted tendency of ns for previous sub-timestep (Runge-Kutta)
486	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tpt_m !< pointer: weighted tendency of pt for previous sub-timestep (Runge-Kutta)
487	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tq_m !< pointer: weighted tendency of q for previous sub-timestep (Runge-Kutta)
488	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tqc_m !< pointer: weighted tendency of qc for previous sub-timestep (Runge-Kutta)
489	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tqg_m !< pointer: weighted tendency of qg for previous sub-timestep (Runge-Kutta)
490	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tqi_m !< pointer: weighted tendency of qi for previous sub-timestep (Runge-Kutta)
491	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tqr_m !< pointer: weighted tendency of qr for previous sub-timestep (Runge-Kutta)
492	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tqs_m !< pointer: weighted tendency of qs for previous sub-timestep (Runge-Kutta)
493	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: ts_m !< pointer: weighted tendency of s for previous sub-timestep (Runge-Kutta)
494	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tsa_m !< pointer: weighted tendency of sa for previous sub-timestep (Runge-Kutta)
495	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tu_m !< pointer: weighted tendency of u for previous sub-timestep (Runge-Kutta)
496	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tv_m !< pointer: weighted tendency of v for previous sub-timestep (Runge-Kutta)
497	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: tw_m !< pointer: weighted tendency of w for previous sub-timestep (Runge-Kutta)
498	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: u !< pointer: horizontal velocity component u (x-direction)
499	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: u_p !< pointer: prognostic value of u
500	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: v !< pointer: horizontal velocity component v (y-direction)
501	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: v_p !< pointer: prognostic value of v
502	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: vpt !< pointer: virtual potential temperature
503	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: w !< pointer: vertical velocity component w (z-direction)
504	REAL(wp), DIMENSION(:,:,:), POINTER, CONTIGUOUS :: w_p !< pointer: prognostic value of w
505
506	REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: tri !< array to hold the tridiagonal matrix for solution of the Poisson equation in Fourier space (4th dimension for threads)
507
508	REAL(wp), DIMENSION(:), ALLOCATABLE :: rho_air !< air density profile on the uv grid
509	REAL(wp), DIMENSION(:), ALLOCATABLE :: rho_air_zw !< air density profile on the w grid
510	REAL(wp), DIMENSION(:), ALLOCATABLE :: drho_air !< inverse air density profile on the uv grid
511	REAL(wp), DIMENSION(:), ALLOCATABLE :: drho_air_zw !< inverse air density profile on the w grid
512
513	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: rho_air_mg !< air density profiles on the uv grid for multigrid
514	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: rho_air_zw_mg !< air density profiles on the w grid for multigrid
515
516	REAL(wp), DIMENSION(:), ALLOCATABLE :: heatflux_input_conversion !< conversion factor array for heatflux input
517	REAL(wp), DIMENSION(:), ALLOCATABLE :: waterflux_input_conversion !< conversion factor array for waterflux input
518	REAL(wp), DIMENSION(:), ALLOCATABLE :: momentumflux_input_conversion !< conversion factor array for momentumflux input
519	REAL(wp), DIMENSION(:), ALLOCATABLE :: heatflux_output_conversion !< conversion factor array for heatflux output
520	REAL(wp), DIMENSION(:), ALLOCATABLE :: waterflux_output_conversion !< conversion factor array for waterflux output
521	REAL(wp), DIMENSION(:), ALLOCATABLE :: momentumflux_output_conversion !< conversion factor array for momentumflux output
522
523	REAL(wp), DIMENSION(:), ALLOCATABLE :: hyrho !< density of air calculated with hydrostatic pressure
524	REAL(wp), DIMENSION(:), ALLOCATABLE :: exner !< ratio of actual and potential temperature
525	REAL(wp), DIMENSION(:), ALLOCATABLE :: d_exner !< ratio of potential and actual temperature
526
527	SAVE
528
529	END MODULE arrays_3d
530
531
532	!------------------------------------------------------------------------------!
533	! Description:
534	! ------------
535	!> Definition of variables needed for time-averaging of 2d/3d data.
536	!------------------------------------------------------------------------------!
537	MODULE averaging
538
539	USE kinds
540
541	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ghf_av !< avg. ground heat flux
542	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: lwp_av !< avg. liquid water path
543	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ol_av !< avg. Obukhov length
544	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: qsurf_av !< avg. surface mixing ratio
545	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: qsws_av !< avg. surface moisture flux
546	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: r_a_av !< avg. resistance
547	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ssurf_av !< avg. surface passive scalar
548	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ssws_av !< avg. surface scalar flux
549	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: shf_av !< avg. surface heat flux
550	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: tsurf_av !< avg. surface temperature
551	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ts_av !< avg. characteristic temperature scale
552	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: us_av !< avg. friction velocity
553	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: z0_av !< avg. roughness length for momentum
554	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: z0h_av !< avg. roughness length for heat
555	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: z0q_av !< avg. roughness length for moisture
556
557	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: diss_av !< avg. tke dissipation rate
558	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: e_av !< avg. subgrid-scale tke
559	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: kh_av !< avg. eddy diffusivity for heat
560	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: km_av !< avg. eddy diffusivity for momentum
561	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: lpt_av !< avg. liquid water potential temperature
562	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nc_av !< avg. cloud drop number density
563	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ng_av !< avg. graupel drop number density
564	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ni_av !< avg. ice crystal number density
565	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: nr_av !< avg. rain drop number density
566	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ns_av !< avg. snow drop number density
567	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: p_av !< avg. perturbation pressure
568	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pc_av !< avg. particle/droplet concentration
569	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pr_av !< avg. particle/droplet radius
570	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: prr_av !< avg. precipitation rate
571	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: pt_av !< avg. potential temperature
572	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: q_av !< avg. mixing ratio
573	!< (or total water content with active cloud physics)
574	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qc_av !< avg. cloud water content
575	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qg_av !< avg. graupel water content
576	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qi_av !< avg. ice crystal content
577	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_av !< avg. liquid water content
578	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_c_av !< avg. change in liquid water content due to
579	!< condensation/evaporation during last time step
580	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_v_av !< avg. volume of liquid water
581	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: ql_vp_av !< avg. liquid water weighting factor
582	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qr_av !< avg. rain water content
583	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qs_av !< avg. snow water content
584	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: qv_av !< avg. water vapor content (mixing ratio)
585	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: rho_ocean_av !< avg. ocean density
586	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: s_av !< avg. passive scalar
587	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: sa_av !< avg. salinity
588	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: u_av !< avg. horizontal velocity component u
589	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: v_av !< avg. horizontal velocity component v
590	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: vpt_av !< avg. virtual potential temperature
591	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: w_av !< avg. vertical velocity component
592
593	END MODULE averaging
594
595
596	!------------------------------------------------------------------------------!
597	! Description:
598	! ------------
599	!> Definition of parameters for program control
600	!------------------------------------------------------------------------------!
601	MODULE control_parameters
602
603	USE kinds
604
605	TYPE file_status
606	LOGICAL :: opened !< file is currently open
607	LOGICAL :: opened_before !< file is currently closed, but has been openend before
608	END TYPE file_status
609
610	INTEGER, PARAMETER :: mask_xyz_dimension = 100 !< limit of mask dimensions (100 points in each direction)
611	INTEGER, PARAMETER :: max_masks = 50 !< maximum number of masks
612	INTEGER(iwp), PARAMETER :: varnamelength = 30 !< length of output variable names
613
614	TYPE(file_status), DIMENSION(200+2*max_masks) :: & !< indicates if file is open or if it has been opened before
615	openfile = file_status(.FALSE.,.FALSE.)
616
617	CHARACTER (LEN=1) :: cycle_mg = 'w' !< namelist parameter (see documentation)
618	CHARACTER (LEN=1) :: timestep_reason = ' ' !< 'A'dvection or 'D'iffusion criterion, written to RUN_CONTROL file
619	CHARACTER (LEN=8) :: coupling_char = '' !< appended to filenames in coupled or nested runs ('_O': ocean PE,
620	!< '_NV': vertically nested atmosphere PE, '_N##': PE of nested domain ##
621	CHARACTER (LEN=23) :: origin_date_time = '2019-06-21 12:00:00 +00' !< date and time to be simulated
622	CHARACTER (LEN=10) :: run_date = ' ' !< date of simulation run
623	CHARACTER (LEN=8) :: run_time = ' ' !< time of simulation run
624	CHARACTER (LEN=5) :: run_zone = ' ' !< time zone of simulation run
625	CHARACTER (LEN=9) :: simulated_time_chr !< simulated time, printed to RUN_CONTROL file
626	CHARACTER (LEN=11) :: topography_grid_convention = ' ' !< namelist parameter
627	CHARACTER (LEN=12) :: version = ' ' !< PALM version number
628	CHARACTER (LEN=12) :: revision = ' ' !< PALM revision number
629	CHARACTER (LEN=12) :: user_interface_current_revision = ' ' !< revision number of the currently used user-interface (must match user_interface_required_revision)
630	CHARACTER (LEN=12) :: user_interface_required_revision = ' ' !< required user-interface revision number
631	CHARACTER (LEN=16) :: conserve_volume_flow_mode = 'default' !< namelist parameter
632	CHARACTER (LEN=16) :: loop_optimization = 'cache' !< namelist parameter
633	CHARACTER (LEN=16) :: momentum_advec = 'ws-scheme' !< namelist parameter
634	CHARACTER (LEN=16) :: psolver = 'poisfft' !< namelist parameter
635	CHARACTER (LEN=16) :: scalar_advec = 'ws-scheme' !< namelist parameter
636	CHARACTER (LEN=20) :: approximation = 'boussinesq' !< namelist parameter
637	CHARACTER (LEN=40) :: flux_input_mode = 'approximation-specific' !< type of flux input: dynamic or kinematic
638	CHARACTER (LEN=40) :: flux_output_mode = 'approximation-specific' !< type of flux output: dynamic or kinematic
639	CHARACTER (LEN=20) :: bc_e_b = 'neumann' !< namelist parameter
640	CHARACTER (LEN=20) :: bc_lr = 'cyclic' !< namelist parameter
641	CHARACTER (LEN=20) :: bc_ns = 'cyclic' !< namelist parameter
642	CHARACTER (LEN=20) :: bc_p_b = 'neumann' !< namelist parameter
643	CHARACTER (LEN=20) :: bc_p_t = 'dirichlet' !< namelist parameter
644	CHARACTER (LEN=20) :: bc_pt_b = 'dirichlet' !< namelist parameter
645	CHARACTER (LEN=20) :: bc_pt_t = 'initial_gradient' !< namelist parameter
646	CHARACTER (LEN=20) :: bc_q_b = 'dirichlet' !< namelist parameter
647	CHARACTER (LEN=20) :: bc_q_t = 'neumann' !< namelist parameter
648	CHARACTER (LEN=20) :: bc_s_b = 'dirichlet' !< namelist parameter
649	CHARACTER (LEN=20) :: bc_s_t = 'initial_gradient' !< namelist parameter
650	CHARACTER (LEN=20) :: bc_uv_b = 'dirichlet' !< namelist parameter
651	CHARACTER (LEN=20) :: bc_uv_t = 'dirichlet' !< namelist parameter
652	CHARACTER (LEN=20) :: coupling_mode = 'uncoupled' !< coupling mode for atmosphere-ocean coupling
653	CHARACTER (LEN=20) :: coupling_mode_remote = 'uncoupled' !< coupling mode of the remote process in case of coupled atmosphere-ocean runs
654	CHARACTER (LEN=20) :: dissipation_1d = 'detering' !< namelist parameter
655	CHARACTER (LEN=20) :: fft_method = 'temperton-algorithm' !< namelist parameter
656	CHARACTER (LEN=20) :: mixing_length_1d = 'blackadar' !< namelist parameter
657	CHARACTER (LEN=20) :: random_generator = 'random-parallel' !< namelist parameter
658	CHARACTER (LEN=80) :: recycling_method_for_thermodynamic_quantities = 'turbulent_fluctuation' !< namelist parameter
659	CHARACTER (LEN=20) :: reference_state = 'initial_profile' !< namelist parameter
660	CHARACTER (LEN=20) :: restart_data_format = 'fortran_binary' !< namelist parameter
661	CHARACTER (LEN=20) :: restart_data_format_input = 'undefined' !< namelist parameter
662	CHARACTER (LEN=20) :: restart_data_format_output = 'undefined' !< namelist parameter
663	CHARACTER (LEN=20) :: timestep_scheme = 'runge-kutta-3' !< namelist parameter
664	CHARACTER (LEN=20) :: turbulence_closure = '1.5-order' !< namelist parameter
665	CHARACTER (LEN=40) :: topography = 'flat' !< namelist parameter
666	CHARACTER (LEN=64) :: host = '????' !< configuration identifier as given by palmrun option -c, ENVPAR namelist parameter provided by palmrun
667	CHARACTER (LEN=80) :: log_message !< user-defined message for debugging (sse data_log.f90)
668	CHARACTER (LEN=80) :: run_identifier !< run identifier as given by palmrun option -r, ENVPAR namelist parameter provided by palmrun
669	CHARACTER (LEN=100) :: initializing_actions = ' ' !< namelist parameter
670	CHARACTER (LEN=100) :: restart_string = ' ' !< for storing strings in case of writing/reading restart data
671	CHARACTER (LEN=210) :: run_description_header !< string containing diverse run informations as run identifier, coupling mode, host, ensemble number, run date and time
672	CHARACTER (LEN=1000) :: debug_string = ' ' !<.....
673	CHARACTER (LEN=1000) :: message_string = ' ' !< dynamic string for error message output
674
675	CHARACTER (LEN=varnamelength), DIMENSION(500) :: data_output = ' ' !< namelist parameter
676	CHARACTER (LEN=varnamelength), DIMENSION(500) :: data_output_user = ' ' !< namelist parameter
677	CHARACTER (LEN=varnamelength), DIMENSION(500) :: doav = ' ' !< label array for multi-dimensional,
678	!< averaged output quantities
679
680	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: data_output_masks = ' ' !< namelist parameter
681	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: data_output_masks_user = ' ' !< namelist parameter
682
683	CHARACTER (LEN=varnamelength), DIMENSION(300) :: data_output_pr = ' ' !< namelist parameter
684
685	CHARACTER (LEN=varnamelength), DIMENSION(200) :: data_output_pr_user = ' ' !< namelist parameter
686
687	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,0:1,100) :: domask = ' ' !< label array for multi-dimensional,
688	!< masked output quantities
689
690	CHARACTER (LEN=varnamelength), DIMENSION(0:1,500) :: do2d = ' ' !< label array for 2d output quantities
691	CHARACTER (LEN=varnamelength), DIMENSION(0:1,500) :: do3d = ' ' !< label array for 3d output quantities
692
693	INTEGER(iwp), PARAMETER :: fl_max = 500 !< maximum number of virtual-flight measurements
694	INTEGER(iwp), PARAMETER :: var_fl_max = 20 !< maximum number of different sampling variables in virtual flight measurements
695
696	INTEGER(iwp) :: abort_mode = 1 !< abort condition (nested runs)
697	INTEGER(iwp) :: agt_time_count = 0 !< number of output intervals for agent data output
698	INTEGER(iwp) :: average_count_pr = 0 !< number of samples in vertical-profile output
699	INTEGER(iwp) :: average_count_3d = 0 !< number of samples in 3d output
700	INTEGER(iwp) :: current_timestep_number = 0 !< current timestep number, printed to RUN_CONTROL file
701	INTEGER(iwp) :: coupling_topology = 0 !< switch for atmosphere-ocean-coupling: 0: same number of grid points and PEs along x and y in atmosphere and ocean, otherwise 1
702	INTEGER(iwp) :: dist_range = 0 !< switch for steering the horizontal disturbance range, 1: inflow disturbances in case of non-cyclic horizontal BC, 0: otherwise
703	INTEGER(iwp) :: disturbance_level_ind_b !< lowest grid index where flow disturbance is applied
704	INTEGER(iwp) :: disturbance_level_ind_t !< highest grid index where flow disturbance is applied
705	INTEGER(iwp) :: doav_n = 0 !< number of 2d/3d output quantities subject to time averaging
706	INTEGER(iwp) :: dopr_n = 0 !< number of profile output quantities subject to time averaging
707	INTEGER(iwp) :: dopr_time_count = 0 !< number of output intervals for profile output
708	INTEGER(iwp) :: dopts_time_count = 0 !< number of output intervals for particle data timeseries
709	INTEGER(iwp) :: dots_time_count = 0 !< number of output intervals for timeseries output
710	INTEGER(iwp) :: dp_level_ind_b = 0 !< lowest grid index for external pressure gradient forcing
711	INTEGER(iwp) :: ensemble_member_nr = 0 !< namelist parameter
712	INTEGER(iwp) :: gamma_mg !< switch for steering the multigrid cycle: 1: v-cycle, 2: w-cycle
713	INTEGER(iwp) :: gathered_size !< number of total domain grid points of the grid level which is gathered on PE0 (multigrid solver)
714	INTEGER(iwp) :: grid_level !< current grid level handled in the multigrid solver
715	INTEGER(iwp) :: ibc_e_b !< integer flag for bc_e_b
716	INTEGER(iwp) :: ibc_p_b !< integer flag for bc_p_b
717	INTEGER(iwp) :: ibc_p_t !< integer flag for bc_p_t
718	INTEGER(iwp) :: ibc_pt_b !< integer flag for bc_pt_b
719	INTEGER(iwp) :: ibc_pt_t !< integer flag for bc_pt_t
720	INTEGER(iwp) :: ibc_q_b !< integer flag for bc_q_b
721	INTEGER(iwp) :: ibc_q_t !< integer flag for bc_q_t
722	INTEGER(iwp) :: ibc_s_b !< integer flag for bc_s_b
723	INTEGER(iwp) :: ibc_s_t !< integer flag for bc_s_t
724	INTEGER(iwp) :: ibc_uv_b !< integer flag for bc_uv_b
725	INTEGER(iwp) :: ibc_uv_t !< integer flag for bc_uv_t
726	INTEGER(iwp) :: inflow_disturbance_begin = -1 !< namelist parameter
727	INTEGER(iwp) :: inflow_disturbance_end = -1 !< namelist parameter
728	INTEGER(iwp) :: intermediate_timestep_count !< number of current Runge-Kutta substep
729	INTEGER(iwp) :: intermediate_timestep_count_max !< maximum number of Runge-Kutta substeps
730	INTEGER(iwp) :: io_group = 0 !< I/O group to which the PE belongs (= #PE / io_blocks)
731	INTEGER(iwp) :: io_blocks = 1 !< number of blocks for which I/O is done in sequence (total number of PEs / maximum_parallel_io_streams)
732	INTEGER(iwp) :: iran = -1234567 !< integer random number used for flow disturbances
733	INTEGER(iwp) :: length = 0 !< integer that specifies the length of a string in case of writing/reading restart data
734	INTEGER(iwp) :: masks = 0 !< counter for number of masked output quantities
735	INTEGER(iwp) :: maximum_grid_level !< number of grid levels that the multigrid solver is using
736	INTEGER(iwp) :: maximum_parallel_io_streams = -1 !< maximum number of parallel io streams that the underlying parallel file system allows, set with palmrun option -w, ENVPAR namelist parameter, provided by palmrun
737	INTEGER(iwp) :: max_pr_salsa = 0 !< number of salsa profiles (must not change within a job chain)
738	INTEGER(iwp) :: max_pr_user = 0 !< number of user-defined profiles (must not change within a job chain)
739	INTEGER(iwp) :: max_pr_user_tmp = 0 !< number of user-defined profiles that is temporary stored to check it against max_pr_user in case of restarts
740	INTEGER(iwp) :: mgcycles = 0 !< number of multigrid cycles that the multigrid solver has actually carried out
741	INTEGER(iwp) :: mg_cycles = 4 !< namelist parameter
742	INTEGER(iwp) :: mg_switch_to_pe0_level = -1 !< namelist parameter
743	INTEGER(iwp) :: ngsrb = 2 !< namelist parameter
744	INTEGER(iwp) :: nr_timesteps_this_run = 0 !< number of timesteps (cpu time measurements)
745	INTEGER(iwp) :: nsor = 20 !< namelist parameter
746	INTEGER(iwp) :: nsor_ini = 100 !< namelist parameter
747	INTEGER(iwp) :: n_sor !< number of iterations to be used in SOR-scheme
748	INTEGER(iwp) :: normalizing_region = 0 !< namelist parameter
749	INTEGER(iwp) :: num_mean_inflow_profiles = 7 !< number of mean inflow profiles in case of turbulent inflow
750	INTEGER(iwp) :: num_leg=0 !< number of different legs in virtual flight measurements
751	INTEGER(iwp) :: num_var_fl !< number of sampling/output variables in virtual flight measurements
752	INTEGER(iwp) :: num_var_fl_user=0 !< number of user-defined sampling/output variables in virtual flight measurements
753	INTEGER(iwp) :: number_stretch_level_start !< number of user-specified start levels for stretching
754	INTEGER(iwp) :: number_stretch_level_end !< number of user-specified end levels for stretching
755	INTEGER(iwp) :: nz_do3d = -9999 !< namelist parameter
756	INTEGER(iwp) :: prt_time_count = 0 !< number of output intervals for particle data output
757	INTEGER(iwp) :: recycling_plane !< position of recycling plane along x (in grid points) in case of turbulence recycling
758	INTEGER(iwp) :: runnr = 0 !< number of run in job chain
759	INTEGER(iwp) :: subdomain_size !< number of grid points in (3d) subdomain including ghost points
760	INTEGER(iwp) :: symmetry_flag = 0 !< flag for sterring the symmetric behavior of the bottom and top boundary
761	INTEGER(iwp) :: terminate_coupled = 0 !< switch for steering termination in case of coupled runs
762	INTEGER(iwp) :: terminate_coupled_remote = 0 !< switch for steering termination in case of coupled runs (condition of the remote model)
763	INTEGER(iwp) :: timestep_count = 0 !< number of timesteps carried out since the beginning of the initial run
764	INTEGER(iwp) :: y_shift = 0 !< namelist parameter
765
766	INTEGER(iwp) :: dist_nxl(0:1) !< left boundary of disturbance region
767	INTEGER(iwp) :: dist_nxr(0:1) !< right boundary of disturbance region
768	INTEGER(iwp) :: dist_nyn(0:1) !< north boundary of disturbance region
769	INTEGER(iwp) :: dist_nys(0:1) !< south boundary of disturbance region
770	INTEGER(iwp) :: do2d_no(0:1) = 0 !< number of 2d output quantities
771	INTEGER(iwp) :: do2d_xy_time_count(0:1) = 0 !< number of output intervals for 2d data (xy)
772	INTEGER(iwp) :: do2d_xz_time_count(0:1) = 0 !< number of output intervals for 2d data (xz)
773	INTEGER(iwp) :: do2d_yz_time_count(0:1) = 0 !< number of output intervals for 2d data (yz)
774	INTEGER(iwp) :: do3d_no(0:1) = 0 !< number of 3d output quantities
775	INTEGER(iwp) :: do3d_time_count(0:1) = 0 !< number of output intervals for 3d data
776	INTEGER(iwp) :: domask_no(max_masks,0:1) = 0 !< number of masked output quantities
777	INTEGER(iwp) :: domask_time_count(max_masks,0:1) !< number of output intervals for masked data
778	INTEGER(iwp) :: dz_stretch_level_end_index(9) !< vertical grid level index until which the vertical grid spacing is stretched
779	INTEGER(iwp) :: dz_stretch_level_start_index(9) !< vertical grid level index above which the vertical grid spacing is stretched
780	INTEGER(iwp) :: mask_size(max_masks,3) = -1 !< size of mask array per mask and dimension (for netcdf output)
781	INTEGER(iwp) :: mask_size_l(max_masks,3) = -1 !< subdomain size of mask array per mask and dimension (for netcdf output)
782	INTEGER(iwp) :: mask_start_l(max_masks,3) = -1 !< subdomain start index of mask array (for netcdf output)
783	INTEGER(iwp) :: pt_vertical_gradient_level_ind(10) = -9999 !< grid index values of pt_vertical_gradient_level(s)
784	INTEGER(iwp) :: q_vertical_gradient_level_ind(10) = -9999 !< grid index values of q_vertical_gradient_level(s)
785	INTEGER(iwp) :: s_vertical_gradient_level_ind(10) = -9999 !< grid index values of s_vertical_gradient_level(s)
786	INTEGER(iwp) :: section(100,3) !< collective array for section_xy/xz/yz
787	INTEGER(iwp) :: section_xy(100) = -9999 !< namelist parameter
788	INTEGER(iwp) :: section_xz(100) = -9999 !< namelist parameter
789	INTEGER(iwp) :: section_yz(100) = -9999 !< namelist parameter
790	INTEGER(iwp) :: ug_vertical_gradient_level_ind(10) = -9999 !< grid index values of ug_vertical_gradient_level(s)
791	INTEGER(iwp) :: vg_vertical_gradient_level_ind(10) = -9999 !< grid index values of vg_vertical_gradient_level(s)
792	INTEGER(iwp) :: subs_vertical_gradient_level_i(10) = -9999 !< grid index values of subs_vertical_gradient_level(s)
793	INTEGER(iwp), DIMENSION(0:1) :: ntdim_2d_xy !< number of output intervals for 2d data (xy)
794	INTEGER(iwp), DIMENSION(0:1) :: ntdim_2d_xz !< number of output intervals for 2d data (xz)
795	INTEGER(iwp), DIMENSION(0:1) :: ntdim_2d_yz !< number of output intervals for 2d data (yz)
796	INTEGER(iwp), DIMENSION(0:1) :: ntdim_3d !< number of output intervals for 3d data
797
798	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: grid_level_count !< internal switch for steering the multigrid v- and w-cycles
799
800	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_i !< subdomain grid index of masked output point on x-dimension
801	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_j !< subdomain grid index of masked output point on y-dimension
802	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_k !< subdomain grid index of masked output point on z-dimension
803	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_i_global !< global grid index of masked output point on x-dimension
804	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_j_global !< global grid index of masked output point on y-dimension
805	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mask_k_global !< global grid index of masked output point on z-dimension
806
807	INTEGER(iwp), DIMENSION(max_masks,mask_xyz_dimension) :: mask_k_over_surface = -1 !< namelist parameter, k index of height over surface
808
809	LOGICAL :: agent_time_unlimited = .FALSE. !< namelist parameter
810	LOGICAL :: air_chemistry = .FALSE. !< chemistry model switch
811	LOGICAL :: bc_dirichlet_l = .FALSE. !< flag indicating dirichlet boundary condition on left model boundary
812	LOGICAL :: bc_dirichlet_n = .FALSE. !< flag indicating dirichlet boundary condition on north model boundary
813	LOGICAL :: bc_dirichlet_r = .FALSE. !< flag indicating dirichlet boundary condition on right model boundary
814	LOGICAL :: bc_dirichlet_s = .FALSE. !< flag indicating dirichlet boundary condition on south model boundary
815	LOGICAL :: bc_lr_cyc =.TRUE. !< left-right boundary condition cyclic?
816	LOGICAL :: bc_lr_dirrad = .FALSE. !< left-right boundary condition dirichlet/radiation?
817	LOGICAL :: bc_lr_raddir = .FALSE. !< left-right boundary condition radiation/dirichlet?
818	LOGICAL :: bc_ns_cyc = .TRUE. !< north-south boundary condition cyclic?
819	LOGICAL :: bc_ns_dirrad = .FALSE. !< north-south boundary condition dirichlet/radiation?
820	LOGICAL :: bc_ns_raddir = .FALSE. !< north-south boundary condition radiation/dirichlet?
821	LOGICAL :: bc_radiation_l = .FALSE. !< radiation boundary condition for outflow at left domain boundary
822	LOGICAL :: bc_radiation_n = .FALSE. !< radiation boundary condition for outflow at north domain boundary
823	LOGICAL :: bc_radiation_r = .FALSE. !< radiation boundary condition for outflow at right domain boundary
824	LOGICAL :: bc_radiation_s = .FALSE. !< radiation boundary condition for outflow at south domain boundary
825	LOGICAL :: biometeorology = .FALSE. !< biometeorology module switch
826	LOGICAL :: calc_soil_moisture_during_spinup = .FALSE. !< namelist parameter
827	LOGICAL :: call_psolver_at_all_substeps = .TRUE. !< namelist parameter
828	LOGICAL :: check_realistic_q = .TRUE. !< namelist parameter
829	LOGICAL :: child_domain = .FALSE. !< flag indicating that model is nested in a parent domain
830	LOGICAL :: cloud_droplets = .FALSE. !< namelist parameter
831	LOGICAL :: complex_terrain = .FALSE. !< namelist parameter
832	LOGICAL :: conserve_volume_flow = .FALSE. !< namelist parameter
833	LOGICAL :: constant_diffusion = .FALSE. !< diffusion coefficient constant?
834	LOGICAL :: constant_flux_layer = .TRUE. !< namelist parameter
835	LOGICAL :: constant_heatflux = .TRUE. !< heat flux at all surfaces constant?
836	LOGICAL :: constant_top_heatflux = .TRUE. !< heat flux at domain top constant?
837	LOGICAL :: constant_top_momentumflux = .FALSE. !< momentum flux at domain topconstant?
838	LOGICAL :: constant_top_salinityflux = .TRUE. !< constant salinity flux at ocean surface
839	LOGICAL :: constant_top_scalarflux = .TRUE. !< passive-scalar flux at domain top constant?
840	LOGICAL :: constant_scalarflux = .TRUE. !< passive-scalar flux at surfaces constant?
841	LOGICAL :: constant_waterflux = .TRUE. !< water flux at all surfaces constant?
842	LOGICAL :: create_disturbances = .TRUE. !< namelist parameter
843	LOGICAL :: data_output_during_spinup = .FALSE. !< namelist parameter
844	LOGICAL :: data_output_2d_on_each_pe = .TRUE. !< namelist parameter
845	LOGICAL :: debug_output = .FALSE. !< namelist parameter
846	LOGICAL :: debug_output_timestep = .FALSE. !< namelist parameter
847	LOGICAL :: disturbance_created = .FALSE. !< flow disturbance imposed?
848	LOGICAL :: do2d_at_begin = .FALSE. !< namelist parameter
849	LOGICAL :: do3d_at_begin = .FALSE. !< namelist parameter
850	LOGICAL :: do_sum = .FALSE. !< contribute to time average of profile data?
851	LOGICAL :: dp_external = .FALSE. !< namelist parameter
852	LOGICAL :: dp_smooth = .FALSE. !< namelist parameter
853	LOGICAL :: dt_fixed = .FALSE. !< fixed timestep (namelist parameter dt set)?
854	LOGICAL :: dt_3d_reached !< internal timestep for particle advection
855	LOGICAL :: dt_3d_reached_l !< internal timestep for particle advection
856	LOGICAL :: first_call_lpm = .TRUE. !< call lpm only once per timestep?
857	LOGICAL :: first_call_mas = .TRUE. !< call mas only once per timestep
858	LOGICAL :: force_print_header = .FALSE. !< namelist parameter
859	LOGICAL :: galilei_transformation = .FALSE. !< namelist parameter
860	LOGICAL :: humidity = .FALSE. !< namelist parameter
861	LOGICAL :: humidity_remote = .FALSE. !< switch for receiving near-surface humidity flux (atmosphere-ocean coupling)
862	LOGICAL :: include_total_domain_boundaries = .FALSE. !< store outer boundaries in restart file (MPI-IO)
863	LOGICAL :: indoor_model = .FALSE. !< switch for indoor-climate and energy-demand model
864	LOGICAL :: kolmogorov_length_scale = .FALSE. !< switch to activate calculations in flow_statistics for the kolmogorov length scale
865	LOGICAL :: large_scale_forcing = .FALSE. !< namelist parameter
866	LOGICAL :: large_scale_subsidence = .FALSE. !< namelist parameter
867	LOGICAL :: land_surface = .FALSE. !< use land surface model?
868	LOGICAL :: les_dai = .FALSE. !< use Dai et al. turbulence closure (modified 1.5-order closure) for LES mode. Shall replace the default 1.5-order closure
869	LOGICAL :: les_dynamic = .FALSE. !< use dynamic subgrid model as turbulence closure for LES mode
870	LOGICAL :: les_default = .FALSE. !< use 1.5-order default turbulence closure for LES mode
871	LOGICAL :: lsf_exception = .FALSE. !< use of lsf with buildings (temporary)?
872	LOGICAL :: lsf_surf = .TRUE. !< use surface forcing (large scale forcing)?
873	LOGICAL :: lsf_vert = .TRUE. !< use atmospheric forcing (large scale forcing)?
874	LOGICAL :: masking_method = .FALSE. !< namelist parameter
875	LOGICAL :: mg_switch_to_pe0 = .FALSE. !< internal multigrid switch for steering the ghost point exchange in case that data has been collected on PE0
876	LOGICAL :: monotonic_limiter_z = .FALSE. !< use monotonic flux limiter for vertical scalar advection
877	LOGICAL :: nesting_offline = .FALSE. !< flag controlling offline nesting in COSMO model
878	LOGICAL :: neutral = .FALSE. !< namelist parameter
879	LOGICAL :: nudging = .FALSE. !< namelist parameter
880	LOGICAL :: ocean_mode = .FALSE. !< namelist parameter
881	LOGICAL :: passive_scalar = .FALSE. !< namelist parameter
882	LOGICAL :: plant_canopy = .FALSE. !< switch for use of plant canopy model
883	LOGICAL :: random_heatflux = .FALSE. !< namelist parameter
884	LOGICAL :: rans_mode = .FALSE. !< switch between RANS and LES mode
885	LOGICAL :: rans_tke_e = .FALSE. !< use TKE-e turbulence closure for RANS mode
886	LOGICAL :: rans_tke_l = .FALSE. !< use TKE-l turbulence closure for RANS mode
887	LOGICAL :: read_svf = .FALSE. !< ENVPAR namelist parameter to steer input of svf (ENVPAR is provided by palmrun)
888	LOGICAL :: run_control_header = .FALSE. !< onetime output of RUN_CONTROL header
889	LOGICAL :: run_coupled = .TRUE. !< internal switch telling PALM to run in coupled mode (i.e. to exchange surface data) in case of atmosphere-ocean coupling
890	LOGICAL :: salsa = .FALSE. !< switch for the sectional aerosol module salsa
891	LOGICAL :: scalar_rayleigh_damping = .TRUE. !< namelist parameter
892	LOGICAL :: sloping_surface = .FALSE. !< use sloped surface? (namelist parameter alpha_surface)
893	LOGICAL :: spinup = .FALSE. !< perform model spinup without atmosphere code?
894	LOGICAL :: surface_output = .FALSE. !< output of surface data
895	LOGICAL :: stop_dt = .FALSE. !< internal switch to stop the time stepping
896	LOGICAL :: synchronous_exchange = .FALSE. !< namelist parameter
897	LOGICAL :: syn_turb_gen = .FALSE. !< flag for synthetic turbulence generator module
898	LOGICAL :: terminate_run = .FALSE. !< terminate run (cpu-time limit, restarts)?
899	LOGICAL :: topo_no_distinct = .FALSE. !< flag controlling classification of topography surfaces
900	LOGICAL :: transpose_compute_overlap = .FALSE. !< namelist parameter
901	LOGICAL :: turbulent_inflow = .FALSE. !< namelist parameter
902	LOGICAL :: turbulent_outflow = .FALSE. !< namelist parameter
903	LOGICAL :: urban_surface = .FALSE. !< use urban surface model?
904	LOGICAL :: use_cmax = .TRUE. !< namelist parameter
905	LOGICAL :: use_fixed_date = .FALSE. !< date of simulation does not change (namelist parameter)
906	LOGICAL :: use_fixed_time = .FALSE. !< time of simulation does not change (namelist parameter)
907	LOGICAL :: use_free_convection_scaling = .FALSE. !< namelist parameter to switch on free convection velocity scale in calculation of horizontal wind speed (surface_layer_fluxes)
908	LOGICAL :: use_initial_profile_as_reference = .FALSE. !< use of initial profiles as reference state?
909	LOGICAL :: use_prescribed_profile_data = .FALSE. !< use of prescribed wind profiles?
910	!< (namelist parameters u_profile, v_profile)
911	LOGICAL :: use_single_reference_value = .FALSE. !< use of single value as reference state?
912	LOGICAL :: use_subsidence_tendencies = .FALSE. !< namelist parameter
913	LOGICAL :: use_surface_fluxes = .FALSE. !< namelist parameter
914	LOGICAL :: use_top_fluxes = .FALSE. !< namelist parameter
915	LOGICAL :: use_ug_for_galilei_tr = .TRUE. !< namelist parameter
916	LOGICAL :: use_upstream_for_tke = .FALSE. !< namelist parameter
917	LOGICAL :: vdi_checks = .FALSE. !< do internal controls after VDI 3783 Part 9
918	LOGICAL :: virtual_flight = .FALSE. !< use virtual flight model
919	LOGICAL :: virtual_measurement = .FALSE. !< control parameter to switch-on virtual measurements
920	LOGICAL :: wall_adjustment = .TRUE. !< namelist parameter
921	LOGICAL :: wind_turbine = .FALSE. !< flag for use of wind turbine model
922	LOGICAL :: write_binary = .FALSE. !< ENVPAR namelist parameter to steer restart I/O (ENVPAR is provided by palmrun)
923	LOGICAL :: write_svf = .FALSE. !< ENVPAR namelist parameter to steer output of svf (ENVPAR is provided by palmrun)
924	LOGICAL :: ws_scheme_sca = .FALSE. !< use Wicker-Skamarock scheme (scalar advection)?
925	LOGICAL :: ws_scheme_mom = .FALSE. !< use Wicker-Skamarock scheme (momentum advection)?
926
927	LOGICAL :: data_output_xy(0:1) = .FALSE. !< output of xy cross-section data?
928	LOGICAL :: data_output_xz(0:1) = .FALSE. !< output of xz cross-section data?
929	LOGICAL :: data_output_yz(0:1) = .FALSE. !< output of yz cross-section data?
930
931	LOGICAL, DIMENSION(max_masks) :: mask_surface = .FALSE. !< flag for surface-following masked output
932
933	REAL(wp) :: advected_distance_x = 0.0_wp !< advected distance of model domain along x
934	!< (galilei transformation)
935	REAL(wp) :: advected_distance_y = 0.0_wp !< advected distance of model domain along y
936	!< (galilei transformation)
937	REAL(wp) :: alpha_surface = 0.0_wp !< namelist parameter
938	REAL(wp) :: atmos_ocean_sign = 1.0_wp !< vertical-grid conversion factor
939	!< (=1.0 in atmosphere, =-1.0 in ocean)
940	REAL(wp) :: averaging_interval = 0.0_wp !< namelist parameter
941	REAL(wp) :: averaging_interval_pr = 9999999.9_wp !< namelist parameter
942	REAL(wp) :: bc_pt_t_val !< vertical gradient of pt near domain top
943	REAL(wp) :: bc_q_t_val !< vertical gradient of humidity near domain top
944	REAL(wp) :: bc_s_t_val !< vertical gradient of passive scalar near domain top
945	REAL(wp) :: bottom_salinityflux = 0.0_wp !< namelist parameter
946	REAL(wp) :: building_height = 50.0_wp !< namelist parameter
947	REAL(wp) :: building_length_x = 50.0_wp !< namelist parameter
948	REAL(wp) :: building_length_y = 50.0_wp !< namelist parameter
949	REAL(wp) :: building_wall_left = 9999999.9_wp !< namelist parameter
950	REAL(wp) :: building_wall_south = 9999999.9_wp !< namelist parameter
951	REAL(wp) :: canyon_height = 50.0_wp !< namelist parameter
952	REAL(wp) :: canyon_width_x = 9999999.9_wp !< namelist parameter
953	REAL(wp) :: canyon_width_y = 9999999.9_wp !< namelist parameter
954	REAL(wp) :: canyon_wall_left = 9999999.9_wp !< namelist parameter
955	REAL(wp) :: canyon_wall_south = 9999999.9_wp !< namelist parameter
956	REAL(wp) :: cfl_factor = -1.0_wp !< namelist parameter
957	REAL(wp) :: cos_alpha_surface !< cosine of alpha_surface
958	REAL(wp) :: coupling_start_time = 0.0_wp !< namelist parameter
959	REAL(wp) :: days_since_reference_point = 0.0_wp !< days after atmosphere-ocean coupling has been activated,
960	!< or after spinup phase of LSM has been finished
961	REAL(wp) :: disturbance_amplitude = 0.25_wp !< namelist parameter
962	REAL(wp) :: disturbance_energy_limit = 0.01_wp !< namelist parameter
963	REAL(wp) :: disturbance_level_b = -9999999.9_wp !< namelist parameter
964	REAL(wp) :: disturbance_level_t = -9999999.9_wp !< namelist parameter
965	REAL(wp) :: dp_level_b = 0.0_wp !< namelist parameter
966	REAL(wp) :: dt = -1.0_wp !< namelist parameter
967	REAL(wp) :: dt_averaging_input = 0.0_wp !< namelist parameter
968	REAL(wp) :: dt_averaging_input_pr = 9999999.9_wp !< namelist parameter
969	REAL(wp) :: dt_coupling = 9999999.9_wp !< namelist parameter
970	REAL(wp) :: dt_data_output = 9999999.9_wp !< namelist parameter
971	REAL(wp) :: dt_data_output_av = 9999999.9_wp !< namelist parameter
972	REAL(wp) :: dt_disturb = 9999999.9_wp !< namelist parameter
973	REAL(wp) :: dt_dopr = 9999999.9_wp !< namelist parameter
974	REAL(wp) :: dt_dopr_listing = 9999999.9_wp !< namelist parameter
975	REAL(wp) :: dt_dopts = 9999999.9_wp !< namelist parameter
976	REAL(wp) :: dt_dots = 9999999.9_wp !< namelist parameter
977	REAL(wp) :: dt_do2d_xy = 9999999.9_wp !< namelist parameter
978	REAL(wp) :: dt_do2d_xz = 9999999.9_wp !< namelist parameter
979	REAL(wp) :: dt_do2d_yz = 9999999.9_wp !< namelist parameter
980	REAL(wp) :: dt_do3d = 9999999.9_wp !< namelist parameter
981	REAL(wp) :: dt_max = 20.0_wp !< namelist parameter
982	REAL(wp) :: dt_restart = 9999999.9_wp !< namelist parameter
983	REAL(wp) :: dt_run_control = 60.0_wp !< namelist parameter
984	REAL(wp) :: dt_spinup = 5.0_wp !< namelist parameter
985	REAL(wp) :: dt_write_agent_data = 9999999.9_wp !< namelist parameter
986	REAL(wp) :: dt_3d = 0.01_wp !< time step
987	REAL(wp) :: dz_max = 999.0_wp !< namelist parameter
988	REAL(wp) :: dz_stretch_factor = 1.08_wp !< namelist parameter
989	REAL(wp) :: dz_stretch_level = -9999999.9_wp !< namelist parameter
990	REAL(wp) :: e_init = 0.0_wp !< namelist parameter
991	REAL(wp) :: e_min = 0.0_wp !< namelist parameter
992	REAL(wp) :: end_time = 0.0_wp !< namelist parameter
993	REAL(wp) :: f = 0.0_wp !< Coriolis parameter
994	REAL(wp) :: fs = 0.0_wp !< Coriolis parameter
995	REAL(wp) :: inflow_damping_height = 9999999.9_wp !< namelist parameter
996	REAL(wp) :: inflow_damping_width = 9999999.9_wp !< namelist parameter
997	REAL(wp) :: km_constant = -1.0_wp !< namelist parameter
998	REAL(wp) :: latitude = 55.0_wp !< namelist parameter
999	REAL(wp) :: longitude = 0.0_wp !< namelist parameter
1000	REAL(wp) :: mask_scale_x = 1.0_wp !< namelist parameter
1001	REAL(wp) :: mask_scale_y = 1.0_wp !< namelist parameter
1002	REAL(wp) :: mask_scale_z = 1.0_wp !< namelist parameter
1003	REAL(wp) :: maximum_cpu_time_allowed = 0.0_wp !< given wall time for run
1004	REAL(wp) :: molecular_viscosity = 1.461E-5_wp !< molecular viscosity (used in lsm and lpm)
1005	REAL(wp) :: multi_agent_system_end = 9999999.9_wp !< namelist parameter (see documentation)
1006	REAL(wp) :: multi_agent_system_start = 0.0_wp !< namelist parameter (see documentation)
1007	REAL(wp) :: omega = 7.29212E-5_wp !< namelist parameter
1008	REAL(wp) :: omega_sor = 1.8_wp !< namelist parameter
1009	REAL(wp) :: outflow_source_plane = -9999999.9_wp !< namelist parameter
1010	REAL(wp) :: particle_maximum_age = 9999999.9_wp !< namelist parameter
1011	REAL(wp) :: prandtl_number = 1.0_wp !< namelist parameter
1012	REAL(wp) :: pt_damping_factor = 0.0_wp !< namelist parameter
1013	REAL(wp) :: pt_damping_width = 0.0_wp !< namelist parameter
1014	REAL(wp) :: pt_reference = 9999999.9_wp !< namelist parameter
1015	REAL(wp) :: pt_slope_offset = 0.0_wp !< temperature difference between left and right
1016	!< boundary of total domain
1017	REAL(wp) :: pt_surface = 300.0_wp !< namelist parameter
1018	REAL(wp) :: pt_surface_heating_rate = 0.0_wp !< namelist parameter
1019	REAL(wp) :: pt_surface_initial_change = 0.0_wp !< namelist parameter
1020	REAL(wp) :: q_surface = 0.0_wp !< namelist parameter
1021	REAL(wp) :: q_surface_initial_change = 0.0_wp !< namelist parameter
1022	REAL(wp) :: rayleigh_damping_factor = -1.0_wp !< namelist parameter
1023	REAL(wp) :: rayleigh_damping_height = -1.0_wp !< namelist parameter
1024	REAL(wp) :: recycling_width = 9999999.9_wp !< namelist parameter
1025	REAL(wp) :: residual_limit = 1.0E-4_wp !< namelist parameter
1026	REAL(wp) :: restart_file_size !< size of restart file in mbyte
1027	REAL(wp) :: restart_time = 9999999.9_wp !< namelist parameter
1028	REAL(wp) :: rho_reference !< reference state of density
1029	REAL(wp) :: rho_surface !< surface value of density
1030	REAL(wp) :: rotation_angle = 0.0_wp !< clockwise rotation of model North relative to real North [deg]
1031	REAL(wp) :: roughness_length = 0.1_wp !< namelist parameter
1032	REAL(wp) :: simulated_time = 0.0_wp !< elapsed simulated time
1033	REAL(wp) :: simulated_time_at_begin !< elapsed simulated time of previous run (job chain)
1034	REAL(wp) :: sin_alpha_surface !< sine of alpha_surface (sloped surface)
1035	REAL(wp) :: skip_time_data_output = 0.0_wp !< namelist parameter
1036	REAL(wp) :: skip_time_data_output_av = 9999999.9_wp !< namelist parameter
1037	REAL(wp) :: skip_time_dopr = 9999999.9_wp !< namelist parameter
1038	REAL(wp) :: skip_time_do2d_xy = 9999999.9_wp !< namelist parameter
1039	REAL(wp) :: skip_time_do2d_xz = 9999999.9_wp !< namelist parameter
1040	REAL(wp) :: skip_time_do2d_yz = 9999999.9_wp !< namelist parameter
1041	REAL(wp) :: skip_time_do3d = 9999999.9_wp !< namelist parameter
1042	REAL(wp) :: spinup_pt_amplitude = 0.0_wp !< namelist parameter
1043	REAL(wp) :: spinup_pt_mean = 9999999.9_wp !< namelist parameter
1044	REAL(wp) :: spinup_time = 0.0_wp !< namelist parameter
1045	REAL(wp) :: surface_heatflux = 9999999.9_wp !< namelist parameter
1046	REAL(wp) :: surface_pressure = 1013.25_wp !< namelist parameter
1047	REAL(wp) :: surface_scalarflux = 9999999.9_wp !< namelist parameter
1048	REAL(wp) :: surface_waterflux = 9999999.9_wp !< namelist parameter
1049	REAL(wp) :: s_surface = 0.0_wp !< namelist parameter
1050	REAL(wp) :: s_surface_initial_change = 0.0_wp !< namelist parameter
1051	REAL(wp) :: termination_time_needed = 35.0_wp !< namelist parameter
1052	REAL(wp) :: time_coupling = 0.0_wp !< time since last coupling (surface_coupler)
1053	REAL(wp) :: time_disturb = 0.0_wp !< time since last flow disturbance
1054	REAL(wp) :: time_dopr = 0.0_wp !< time since last profile output
1055	REAL(wp) :: time_dopr_av = 0.0_wp !< time since last averaged profile output
1056	REAL(wp) :: time_dopr_listing = 0.0_wp !< time since last profile output (ASCII) on file
1057	REAL(wp) :: time_dopts = 0.0_wp !< time since last particle timeseries output
1058	REAL(wp) :: time_dosp = 0.0_wp !< time since last spectra output
1059	REAL(wp) :: time_dosp_av = 0.0_wp !< time since last averaged spectra output
1060	REAL(wp) :: time_dots = 0.0_wp !< time since last timeseries output
1061	REAL(wp) :: time_do2d_xy = 0.0_wp !< time since last xy cross-section output
1062	REAL(wp) :: time_do2d_xz = 0.0_wp !< time since last xz cross-section output
1063	REAL(wp) :: time_do2d_yz = 0.0_wp !< time since last yz cross-section output
1064	REAL(wp) :: time_do3d = 0.0_wp !< time since last 3d output
1065	REAL(wp) :: time_do_av = 0.0_wp !< time since last averaged-data output
1066	REAL(wp) :: time_do_sla = 0.0_wp !< time since last
1067	REAL(wp) :: time_restart = 9999999.9_wp !< time at which run shall be terminated and restarted
1068	REAL(wp) :: time_run_control = 0.0_wp !< time since last RUN_CONTROL output
1069	REAL(wp) :: time_since_reference_point = 0.0_wp !< time after atmosphere-ocean coupling has been activated, or time after spinup phase of LSM has been finished
1070	REAL(wp) :: top_heatflux = 9999999.9_wp !< namelist parameter
1071	REAL(wp) :: top_momentumflux_u = 9999999.9_wp !< namelist parameter
1072	REAL(wp) :: top_momentumflux_v = 9999999.9_wp !< namelist parameter
1073	REAL(wp) :: top_salinityflux = 9999999.9_wp !< namelist parameter
1074	REAL(wp) :: top_scalarflux = 9999999.9_wp !< namelist parameter
1075	REAL(wp) :: tunnel_height = 9999999.9_wp !< namelist parameter
1076	REAL(wp) :: tunnel_length = 9999999.9_wp !< namelist parameter
1077	REAL(wp) :: tunnel_width_x = 9999999.9_wp !< namelist parameter
1078	REAL(wp) :: tunnel_width_y = 9999999.9_wp !< namelist parameter
1079	REAL(wp) :: tunnel_wall_depth = 9999999.9_wp !< namelist parameter
1080	REAL(wp) :: ug_surface = 0.0_wp !< namelist parameter
1081	REAL(wp) :: u_bulk = 0.0_wp !< namelist parameter
1082	REAL(wp) :: u_gtrans = 0.0_wp !< transformed wind component (galilei transformation)
1083	REAL(wp) :: vg_surface = 0.0_wp !< namelist parameter
1084	REAL(wp) :: vpt_reference = 9999999.9_wp !< reference state of virtual potential temperature
1085	REAL(wp) :: v_bulk = 0.0_wp !< namelist parameter
1086	REAL(wp) :: v_gtrans = 0.0_wp !< transformed wind component (galilei transformation)
1087	REAL(wp) :: zeta_max = 20.0_wp !< namelist parameter
1088	REAL(wp) :: zeta_min = -20.0_wp !< namelist parameter
1089	REAL(wp) :: z0h_factor = 1.0_wp !< namelist parameter
1090
1091	REAL(wp) :: do2d_xy_last_time(0:1) = -1.0_wp !< time of previous xy output
1092	REAL(wp) :: do2d_xz_last_time(0:1) = -1.0_wp !< time of previous xz output
1093	REAL(wp) :: do2d_yz_last_time(0:1) = -1.0_wp !< time of previous yz output
1094	REAL(wp) :: dpdxy(1:2) = 0.0_wp !< namelist parameter
1095	REAL(wp) :: dt_domask(max_masks) = 9999999.9_wp !< namelist parameter
1096	REAL(wp) :: dz(10) = -1.0_wp !< namelist parameter
1097	REAL(wp) :: dz_stretch_level_start(9) = -9999999.9_wp !< namelist parameter
1098	REAL(wp) :: dz_stretch_level_end(9) = 9999999.9_wp !< namelist parameter
1099	REAL(wp) :: dz_stretch_factor_array(9) = 1.08_wp !< namelist parameter
1100	REAL(wp) :: mask_scale(3) !< collective array for mask_scale_x/y/z
1101	REAL(wp) :: pt_vertical_gradient(10) = 0.0_wp !< namelist parameter
1102	REAL(wp) :: pt_vertical_gradient_level(10) = -999999.9_wp !< namelist parameter
1103	REAL(wp) :: q_vertical_gradient(10) = 0.0_wp !< namelist parameter
1104	REAL(wp) :: q_vertical_gradient_level(10) = -999999.9_wp !< namelist parameter
1105	REAL(wp) :: s_vertical_gradient(10) = 0.0_wp !< namelist parameter
1106	REAL(wp) :: s_vertical_gradient_level(10) = -999999.9_wp !< namelist parameter
1107	REAL(wp) :: skip_time_domask(max_masks) = 9999999.9_wp !< namelist parameter
1108	REAL(wp) :: threshold(20) = 0.0_wp !< namelist parameter
1109	REAL(wp) :: time_domask(max_masks) = 0.0_wp !< namelist parameter
1110	REAL(wp) :: tsc(10) = (/ 1.0_wp, 1.0_wp, 0.0_wp, 0.0_wp, & !< array used for controlling time-integration at different substeps
1111	0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp /)
1112	REAL(wp) :: u_profile(200) = 9999999.9_wp !< namelist parameter
1113	REAL(wp) :: uv_heights(200) = 9999999.9_wp !< namelist parameter
1114	REAL(wp) :: v_profile(200) = 9999999.9_wp !< namelist parameter
1115	REAL(wp) :: ug_vertical_gradient(10) = 0.0_wp !< namelist parameter
1116	REAL(wp) :: ug_vertical_gradient_level(10) = -9999999.9_wp !< namelist parameter
1117	REAL(wp) :: vg_vertical_gradient(10) = 0.0_wp !< namelist parameter
1118	REAL(wp) :: vg_vertical_gradient_level(10) = -9999999.9_wp !< namelist parameter
1119	REAL(wp) :: volume_flow(1:3) = 0.0_wp !< volume flow through 1:yz-plane, 2: xz-plane, 3: xy-plane (nest childs only)
1120	REAL(wp) :: volume_flow_area(1:3) = 0.0_wp !< area of the respective volume flow planes
1121	REAL(wp) :: volume_flow_initial(1:3) = 0.0_wp !< initial volume flow (t=0) through the respective volume flow planes
1122	REAL(wp) :: wall_heatflux(0:5) = 0.0_wp !< namelist parameter
1123	REAL(wp) :: wall_humidityflux(0:5) = 0.0_wp !< namelist parameter
1124	REAL(wp) :: wall_salinityflux(0:5) = 0.0_wp !< namelist parameter
1125	REAL(wp) :: wall_scalarflux(0:5) = 0.0_wp !< namelist parameter
1126	REAL(wp) :: subs_vertical_gradient(10) = 0.0_wp !< namelist parameter
1127	REAL(wp) :: subs_vertical_gradient_level(10) = -9999999.9_wp !< namelist parameter
1128
1129	REAL(wp), DIMENSION(:), ALLOCATABLE :: dp_smooth_factor !< smoothing factor for external pressure gradient forcing
1130
1131	REAL(wp), DIMENSION(max_masks,mask_xyz_dimension) :: mask_x = -1.0_wp !< namelist parameter
1132	REAL(wp), DIMENSION(max_masks,mask_xyz_dimension) :: mask_y = -1.0_wp !< namelist parameter
1133	REAL(wp), DIMENSION(max_masks,mask_xyz_dimension) :: mask_z = -1.0_wp !< namelist parameter
1134
1135	REAL(wp), DIMENSION(max_masks,3) :: mask_x_loop = -1.0_wp !< namelist parameter
1136	REAL(wp), DIMENSION(max_masks,3) :: mask_y_loop = -1.0_wp !< namelist parameter
1137	REAL(wp), DIMENSION(max_masks,3) :: mask_z_loop = -1.0_wp !< namelist parameter
1138
1139	!
1140	!-- internal mask arrays ("mask,dimension,selection")
1141	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: mask !< collective array for mask_x/y/z
1142	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: mask_loop !< collective array for mask_x/y/z_loop
1143
1144	SAVE
1145
1146	END MODULE control_parameters
1147
1148
1149	!------------------------------------------------------------------------------!
1150	! Description:
1151	! ------------
1152	!> Definition of grid spacings.
1153	!------------------------------------------------------------------------------!
1154	MODULE grid_variables
1155
1156	USE kinds
1157
1158	REAL(wp) :: ddx !< 1/dx
1159	REAL(wp) :: ddx2 !< 1/dx2
1160	REAL(wp) :: dx = 1.0_wp !< horizontal grid size (along x-direction)
1161	REAL(wp) :: dx2 !< dx*dx
1162	REAL(wp) :: ddy !< 1/dy
1163	REAL(wp) :: ddy2 !< 1/dy2
1164	REAL(wp) :: dy = 1.0_wp !< horizontal grid size (along y-direction)
1165	REAL(wp) :: dy2 !< dy*dy
1166
1167	REAL(wp), DIMENSION(:), ALLOCATABLE :: ddx2_mg !< 1/dx_l**2 (dx_l: grid spacing along x on different multigrid level)
1168	REAL(wp), DIMENSION(:), ALLOCATABLE :: ddy2_mg !< 1/dy_l**2 (dy_l: grid spacing along y on different multigrid level)
1169
1170	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zu_s_inner !< height of topography top on scalar grid
1171	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zw_w_inner !< height of topography top on w grid
1172
1173	SAVE
1174
1175	END MODULE grid_variables
1176
1177
1178	!------------------------------------------------------------------------------!
1179	! Description:
1180	! ------------
1181	!> Definition of array bounds, number of gridpoints, and wall flag arrays.
1182	!------------------------------------------------------------------------------!
1183	MODULE indices
1184
1185	USE kinds
1186
1187	INTEGER(iwp) :: nbgp = 3 !< number of boundary ghost points
1188	INTEGER(iwp) :: ngp_sums !< number of vertical profile grid points time number of output profiles - used for allreduce statements in MPI calls
1189	INTEGER(iwp) :: ngp_sums_ls !< number of vertical profile grid points time number of large-scale forcing profiles - used for allreduce statements in MPI calls
1190	INTEGER(iwp) :: nnx !< number of subdomain grid points in x-direction
1191	INTEGER(iwp) :: nx = 0 !< nx+1 = total number of grid points in x-direction
1192	INTEGER(iwp) :: nx_a !< in coupled atmosphere-ocean runs: total number of grid points along x (atmosphere)
1193	INTEGER(iwp) :: nx_o !< in coupled atmosphere-ocean runs: total number of grid points along x (ocean)
1194	INTEGER(iwp) :: nxl !< left-most grid index of subdomain (excluding ghost points)
1195	INTEGER(iwp) :: nxlg !< left-most grid index of subdomain (including ghost points)
1196	INTEGER(iwp) :: nxlu !< =nxl+1 (at left domain boundary with inflow from left), else =nxl (used for u-velocity component)
1197	INTEGER(iwp) :: nxr !< right-most grid index of subdomain (excluding ghost points)
1198	INTEGER(iwp) :: nxrg !< right-most grid index of subdomain (including ghost points)
1199	INTEGER(iwp) :: nx_on_file !< nx of previous run in job chain
1200	INTEGER(iwp) :: nny !< number of subdomain grid points in y-direction
1201	INTEGER(iwp) :: ny = 0 !< ny+1 = total number of grid points in y-direction
1202	INTEGER(iwp) :: ny_a !< in coupled atmosphere-ocean runs: total number of grid points along y (atmosphere)
1203	INTEGER(iwp) :: ny_o !< in coupled atmosphere-ocean runs: total number of grid points along y (ocean)
1204	INTEGER(iwp) :: nyn !< north-most grid index of subdomain (excluding ghost points)
1205	INTEGER(iwp) :: nyng !< north-most grid index of subdomain (including ghost points)
1206	INTEGER(iwp) :: nys !< south-most grid index of subdomain (excluding ghost points)
1207	INTEGER(iwp) :: nysg !< south-most grid index of subdomain (including ghost points)
1208	INTEGER(iwp) :: nysv !< =nys+1 (at south domain boundary with inflow from south), else =nys (used for v-velocity component)
1209	INTEGER(iwp) :: ny_on_file !< ny of previous run in job chain
1210	INTEGER(iwp) :: nnz !< number of subdomain grid points in z-direction
1211	INTEGER(iwp) :: nz = 0 !< total number of grid points in z-direction
1212	INTEGER(iwp) :: nzb !< bottom grid index of computational domain
1213	INTEGER(iwp) :: nzb_diff !< will be removed
1214	INTEGER(iwp) :: nzb_max !< vertical index of topography top
1215	INTEGER(iwp) :: nzt !< nzt+1 = top grid index of computational domain
1216	INTEGER(iwp) :: topo_min_level !< minimum topography-top index (usually equal to nzb)
1217
1218	INTEGER(idp), DIMENSION(:), ALLOCATABLE :: ngp_3d !< number of grid points of the total domain
1219	INTEGER(idp), DIMENSION(:), ALLOCATABLE :: ngp_3d_inner !< ! need to have 64 bit for grids > 2E9
1220
1221	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_2dh !< number of grid points of a horizontal cross section through the total domain
1222	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: nxl_mg !< left-most grid index of subdomain on different multigrid level
1223	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: nxr_mg !< right-most grid index of subdomain on different multigrid level
1224	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: nyn_mg !< north-most grid index of subdomain on different multigrid level
1225	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: nys_mg !< south-most grid index of subdomain on different multigrid level
1226	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: nzt_mg !< top-most grid index of subdomain on different multigrid level
1227
1228
1229	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer !< number of horizontal grid points which are non-topography and non-surface-bounded
1230	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_s_inner !< number of horizontal grid points which are non-topography
1231	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: mg_loc_ind !< internal array to store index bounds of all PEs of that multigrid level where data is collected to PE0
1232
1233	INTEGER(iwp), DIMENSION(:,:,:), POINTER :: flags !< pointer to wall_flags_1-10
1234
1235	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_1 !< topograpyh masking flag on multigrid level 1
1236	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_2 !< topograpyh masking flag on multigrid level 2
1237	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_3 !< topograpyh masking flag on multigrid level 3
1238	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_4 !< topograpyh masking flag on multigrid level 4
1239	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_5 !< topograpyh masking flag on multigrid level 5
1240	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_6 !< topograpyh masking flag on multigrid level 6
1241	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_7 !< topograpyh masking flag on multigrid level 7
1242	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_8 !< topograpyh masking flag on multigrid level 8
1243	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_9 !< topograpyh masking flag on multigrid level 9
1244	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE, TARGET :: wall_flags_10 !< topograpyh masking flag on multigrid level 10
1245
1246	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: advc_flags_m !< flags used to degrade order of advection scheme for momentum
1247	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: advc_flags_s !< flags used to degrade order of advection scheme for scalar quantities
1248	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: topo_top_ind !< precalculated topography top indices
1249	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: wall_flags_static_0 !< flags to mask topography and surface-bounded grid points
1250	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: wall_flags_total_0 !< merged array, which contains the static and dynamic flags
1251
1252	SAVE
1253
1254	END MODULE indices
1255
1256
1257	!------------------------------------------------------------------------------!
1258	! Description:
1259	! ------------
1260	!> Interfaces for special subroutines which use optional parameters.
1261	!------------------------------------------------------------------------------!
1262	MODULE interfaces
1263
1264	INTERFACE
1265
1266	!------------------------------------------------------------------------------!
1267	! Description:
1268	! ------------
1269	!> @todo Missing subroutine description.
1270	!------------------------------------------------------------------------------!
1271	SUBROUTINE global_min_max ( i1, i2, j1, j2, k1, k2, array, mode, offset, &
1272	result, result_ijk, result1, result1_ijk )
1273
1274	USE kinds
1275
1276	CHARACTER (LEN=*), INTENT(IN) :: mode !< mode of global min/max function: can be 'min', 'max', 'minmax', 'abs', or 'absoff'
1277	INTEGER(iwp), INTENT(IN) :: i1 !< internal index of min/max function
1278	INTEGER(iwp), INTENT(IN) :: i2 !< internal index of min/max function
1279	INTEGER(iwp), INTENT(IN) :: j1 !< internal index of min/max function
1280	INTEGER(iwp), INTENT(IN) :: j2 !< internal index of min/max function
1281	INTEGER(iwp), INTENT(IN) :: k1 !< internal index of min/max function
1282	INTEGER(iwp), INTENT(IN) :: k2 !< internal index of min/max function
1283	INTEGER(iwp) :: result_ijk(3) !< grid index result of min/max function
1284	INTEGER(iwp), OPTIONAL :: result1_ijk(3) !< optional grid index result of min/max function
1285	REAL(wp) :: offset !< min/max function calculates absolute value with respect to an offset
1286	REAL(wp) :: result !< result of min/max function
1287	REAL(wp), OPTIONAL :: result1 !< optional result of min/max function
1288	REAL(wp), INTENT(IN) :: array(i1:i2,j1:j2,k1:k2) !< input array of min/max function
1289
1290	END SUBROUTINE global_min_max
1291
1292	END INTERFACE
1293
1294	SAVE
1295
1296	END MODULE interfaces
1297
1298
1299	!------------------------------------------------------------------------------!
1300	! Description:
1301	! ------------
1302	!> Interfaces for subroutines with pointer arguments called in
1303	!> prognostic_equations.
1304	!------------------------------------------------------------------------------!
1305	MODULE pointer_interfaces
1306
1307	INTERFACE
1308
1309	!------------------------------------------------------------------------------!
1310	! Description:
1311	! ------------
1312	!> @todo Missing subroutine description.
1313	!------------------------------------------------------------------------------!
1314	SUBROUTINE advec_s_bc( sk, sk_char )
1315
1316	USE kinds
1317
1318	CHARACTER (LEN=*), INTENT(IN) :: sk_char !< string for treated scalar in Bott-Chlond scheme
1319
1320	REAL(wp), DIMENSION(:,:,:), POINTER :: sk !< treated scalar array in Bott-Chlond scheme
1321
1322	END SUBROUTINE advec_s_bc
1323
1324	END INTERFACE
1325
1326	SAVE
1327
1328	END MODULE pointer_interfaces
1329
1330
1331	!------------------------------------------------------------------------------!
1332	! Description:
1333	! ------------
1334	!> Definition of variables which define processor topology and the exchange of
1335	!> ghost point layers. This module must be placed in all routines containing
1336	!> MPI-calls.
1337	!------------------------------------------------------------------------------!
1338	MODULE pegrid
1339
1340	USE kinds
1341
1342	#if defined( __parallel )
1343	USE MPI
1344	#endif
1345
1346	CHARACTER(LEN=2) :: send_receive = 'al' !<
1347	CHARACTER(LEN=7) :: myid_char = '' !< character string containing processor id number
1348
1349	INTEGER(iwp) :: comm1dx !< communicator for domain decomposition along x
1350	INTEGER(iwp) :: comm1dy !< communicator for domain decomposition along y
1351	INTEGER(iwp) :: comm2d !< standard 2d (xy) communicator used in PALM for the process group the PE belongs to
1352	INTEGER(iwp) :: comm_inter !< intercommunicator that connects atmosphere/ocean process groups
1353	INTEGER(iwp) :: comm_palm !< internal communicator used during the MPI setup at the beginning of a run
1354	INTEGER(iwp) :: id_inflow = 0 !< myidx of procs at inflow (turbulent inflow method)
1355	INTEGER(iwp) :: id_outflow = 0 !< myidx of procs at outflow (turbulent outflow method)
1356	INTEGER(iwp) :: id_outflow_source = 0 !< myidx of procs including ouflow source plane (turbulent outflow method)
1357	INTEGER(iwp) :: id_recycling = 0 !< myidx of procs containing the recycling plane (turbulence recycling method)
1358	INTEGER(iwp) :: ierr !< standard error parameter in MPI calls
1359	INTEGER(iwp) :: myid = 0 !< id number of processor element
1360	INTEGER(iwp) :: myidx = 0 !< id number of processor elements with same position along x-direction
1361	INTEGER(iwp) :: myidy = 0 !< id number of processor elements with same position along y-direction
1362	INTEGER(iwp) :: ndim = 2 !< dimension of the virtual PE grid
1363	INTEGER(iwp) :: ngp_a !< used in atmosphere/ocean coupling: total number of horizontal grid points (atmosphere)
1364	INTEGER(iwp) :: ngp_o !< used in atmosphere/ocean coupling: total number of horizontal grid points (ocean)
1365	INTEGER(iwp) :: ngp_xy !< used in atmosphere/ocean coupling: number of grid points of the subdomain
1366	INTEGER(iwp) :: ngp_y !< number of subdomain grid points along y including ghost points
1367	INTEGER(iwp) :: npex = -1 !< number of processor elements in x-direction
1368	INTEGER(iwp) :: npey = -1 !< number of processor elements in y-direction
1369	INTEGER(iwp) :: numprocs = 1 !< total number of appointed processor elements
1370	INTEGER(iwp) :: numprocs_previous_run = -1 !< total number of appointed processor elements in previous run (job chain)
1371	INTEGER(iwp) :: pleft !< MPI id of left neigbour pe
1372	INTEGER(iwp) :: pnorth !< MPI id of right neigbour pe
1373	INTEGER(iwp) :: pright !< MPI id of south neigbour pe
1374	INTEGER(iwp) :: psouth !< MPI id of north neigbour pe
1375	INTEGER(iwp) :: req_count = 0 !< MPI return variable - checks if Send-Receive operation is already finished
1376	INTEGER(iwp) :: sendrecvcount_xy !< number of subdomain gridpoints to be exchanged in direct transpositions (y --> x, or x --> y) or second (2d) transposition x --> y
1377	INTEGER(iwp) :: sendrecvcount_yz !< number of subdomain gridpoints to be exchanged in third (2d) transposition y --> z
1378	INTEGER(iwp) :: sendrecvcount_zx !< number of subdomain gridpoints to be exchanged in first (2d) transposition z --> x
1379	INTEGER(iwp) :: sendrecvcount_zyd !< number of subdomain gridpoints to be exchanged in direct transpositions z --> y (used for calculating spectra)
1380	INTEGER(iwp) :: target_id !< in atmosphere/ocean coupling: id of the ocean/atmosphere counterpart PE with whom the atmosphere/ocean PE exchanges data
1381	INTEGER(iwp) :: tasks_per_node = -9999 !< MPI tasks per compute node
1382	INTEGER(iwp) :: threads_per_task = 1 !< number of OPENMP threads per MPI task
1383	INTEGER(iwp) :: type_x !< derived MPI datatype for 2-D ghost-point exchange - north / south
1384	INTEGER(iwp) :: type_xy !< derived MPI datatype for 2-D ghost-point exchange - north / south
1385	INTEGER(iwp) :: type_y !< derived MPI datatype for 2-D exchange in atmosphere-ocean coupler
1386
1387	INTEGER(iwp) :: pdims(2) = 1 !< number of processors along x-y dimension
1388	INTEGER(iwp) :: req(100) !< MPI return variable indicating if send-receive operation is finished
1389
1390	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: hor_index_bounds !< horizontal index bounds
1391	INTEGER(iwp), DIMENSION(:,:), ALLOCATABLE :: hor_index_bounds_previous_run !< horizontal index bounds of previous run
1392
1393	LOGICAL :: collective_wait = .FALSE. !< switch to set an explicit MPI barrier in front of all collective MPI calls
1394
1395	TYPE virtual_pe_grid
1396	INTEGER(iwp) :: mpi_communicator !< MPI communicator id
1397	INTEGER(iwp) :: pleft !< MPI id of left neigbour pe
1398	INTEGER(iwp) :: pright !< MPI id of right neigbour pe
1399	INTEGER(iwp) :: psouth !< MPI id of south neigbour pe
1400	INTEGER(iwp) :: pnorth !< MPI id of north neigbour pe
1401	END TYPE virtual_pe_grid
1402
1403	TYPE(virtual_pe_grid) :: communicator_configurations(4) !< stores the four possible 2d virtual grids:
1404	!< cyclic, cyclic along x, cyclic along y, non-cyclic
1405
1406	#if defined( __parallel )
1407	INTEGER(iwp) :: ibuf(12) !< internal buffer for calculating MPI settings
1408	INTEGER(iwp) :: pcoord(2) !< PE coordinates along x and y
1409	INTEGER(iwp) :: status(MPI_STATUS_SIZE) !< MPI status variable used in various MPI calls
1410
1411	INTEGER(iwp), DIMENSION(MPI_STATUS_SIZE,100) :: wait_stat !< MPI status variable used in various MPI calls
1412
1413	INTEGER(iwp) :: type_x_byte !< derived MPI datatype for 2-D 8-bit integer ghost-point exchange - north / south
1414	INTEGER(iwp) :: type_y_byte !< derived MPI datatype for 2-D integer ghost-point exchange - left / right
1415
1416	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_xz !< number of ghost points in xz-plane on different multigrid level
1417	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_xz_int !< number of ghost points in xz-plane on different multigrid level
1418	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_yz !< number of ghost points in yz-plane on different multigrid level
1419	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ngp_yz_int !< number of ghost points in yz-plane on different multigrid level
1420	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_x_int !< derived MPI datatype for 2-D integer ghost-point exchange - north / south
1421	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_xz !< derived MPI datatype for 3-D integer ghost-point exchange - north / south
1422	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_xz_int !< derived MPI datatype for 3-D integer ghost-point exchange - north / south
1423	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_y_int !< derived MPI datatype for 2-D integer ghost-point exchange - left / right
1424	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_yz !< derived MPI datatype for 3-D integer ghost-point exchange - left / right
1425	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: type_yz_int !< derived MPI datatype for 3-D integer ghost-point exchange - left / right
1426
1427	LOGICAL :: left_border_pe = .FALSE. !< = .TRUE. if PE is on left border of computational domain
1428	LOGICAL :: north_border_pe = .FALSE. !< = .TRUE. if PE is on north border of computational domain
1429	LOGICAL :: reorder = .TRUE. !< switch to allow MPI the reorder of ranking (e.g. row-major or column-major)
1430	LOGICAL :: right_border_pe = .FALSE. !< = .TRUE. if PE is on right border of computational domain
1431	LOGICAL :: south_border_pe = .FALSE. !< = .TRUE. if PE is on south border of computational domain
1432
1433	LOGICAL, DIMENSION(2) :: cyclic = (/ .TRUE. , .TRUE. /) !< boundary conditions of the virtual PE grid
1434	LOGICAL, DIMENSION(2) :: remain_dims !< internal array used to determine sub-topologies for transpositions
1435	#endif
1436
1437	SAVE
1438
1439	END MODULE pegrid
1440
1441
1442	!------------------------------------------------------------------------------!
1443	! Description:
1444	! ------------
1445	!> Definition of variables which control PROFIL-output.
1446	!------------------------------------------------------------------------------!
1447	MODULE profil_parameter
1448
1449	USE kinds
1450
1451	INTEGER(iwp), PARAMETER :: crmax = 100 !< maximum number of coordinate systems for profile output
1452
1453	CHARACTER (LEN=27), DIMENSION(20) :: cross_ts_profiles = & !< time series to be plotted into one coordinate system, respectively
1454	(/ ' E E* ', &
1455	' dt ', &
1456	' u* w* ', &
1457	' th* ', &
1458	' umax vmax wmax ', &
1459	' div_old div_new ', &
1460	' zi_wtheta zi_theta ', &
1461	' w"theta"0 w"theta" wtheta ', &
1462	' theta(0) theta(zp) ', &
1463	' splux spluy spluz ', &
1464	' L ', &
1465	( ' ', i9 = 1, 9 ) /)
1466
1467	CHARACTER (LEN=100), DIMENSION(crmax) :: cross_profiles = & !< quantities to be plotted into one coordinate system, respectively
1468	(/ ' u v ', &
1469	' pt ', &
1470	' w"theta" wtheta wthetaBC wtheta wthetaBC ', &
1471	' w"u" wu wu w"v" wv wv ', &
1472	' km kh ', &
1473	' l ', &
1474	( ' ', i9 = 1, 94 ) /)
1475
1476	INTEGER(iwp) :: profile_columns = 2 !< number of coordinate systems on a profile plot per column
1477	INTEGER(iwp) :: profile_rows = 3 !< number of coordinate systems on a profile plot per row
1478
1479	INTEGER(iwp) :: dopr_index(300) = 0 !< index number of respective profile quantity
1480	INTEGER(iwp) :: dopr_initial_index(300) = 0 !< index number of initial profiles to be output
1481
1482	SAVE
1483
1484	END MODULE profil_parameter
1485
1486	!------------------------------------------------------------------------------!
1487	! Description:
1488	! ------------
1489	!> Definition of statistical quantities, e.g. global sums.
1490	!------------------------------------------------------------------------------!
1491	MODULE statistics
1492
1493	USE kinds
1494
1495	CHARACTER (LEN=40) :: region(0:9) = & !< label for statistic region
1496	'total domain '
1497
1498	INTEGER(iwp) :: pr_palm = 200 !< maximum number of output profiles
1499	INTEGER(iwp) :: statistic_regions = 0 !< identifier for statistic regions
1500
1501	INTEGER(iwp) :: u_max_ijk(3) = -1 !< index values (i,j,k) of location where u_max occurs
1502	INTEGER(iwp) :: v_max_ijk(3) = -1 !< index values (i,j,k) of location where v_max occurs
1503	INTEGER(iwp) :: w_max_ijk(3) = -1 !< index values (i,j,k) of location where w_max occurs
1504
1505	LOGICAL :: flow_statistics_called = .FALSE. !< flag that tells other routines if flow statistics was executed
1506	!< (after each timestep)
1507
1508	REAL(wp) :: u_max = 0.0_wp !< maximum of absolute u-veloctiy in entire domain
1509	REAL(wp) :: v_max = 0.0_wp !< maximum of absolute v-veloctiy in entire domain
1510	REAL(wp) :: w_max = 0.0_wp !< maximum of absolute w-veloctiy in entire domain
1511
1512	REAL(wp), DIMENSION(2) :: z_i !< inversion height
1513
1514	REAL(wp), DIMENSION(:), ALLOCATABLE :: mean_surface_level_height !< mean surface level height for the different statistic regions
1515	REAL(wp), DIMENSION(:), ALLOCATABLE :: sums_divnew_l !< subdomain sum (_l) of divergence after pressure
1516	!< solver call (new)
1517	REAL(wp), DIMENSION(:), ALLOCATABLE :: sums_divold_l !< subdomain sum (_l) of divergence before pressure
1518	!< solver call (old)
1519	REAL(wp), DIMENSION(:), ALLOCATABLE :: weight_substep !< weighting factor for substeps in timestepping
1520	REAL(wp), DIMENSION(:), ALLOCATABLE :: weight_pres !< substep weighting factor for pressure solver
1521
1522	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums !< global sum array for the various output quantities
1523	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_salsa_ws_l !< subdomain sum of vertical salsa flux w's' (5th-order advection scheme only)
1524	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsts_bc_l !< subdomain sum of sensible heat flux in Bott-Chlond scheme
1525	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: ts_value !< timeseries output array for the various output quantities
1526	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsus_ws_l !< subdomain sum of vertical momentum flux w'u' (5th-order advection scheme only)
1527	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsvs_ws_l !< subdomain sum of vertical momentum flux w'v' (5th-order advection scheme only)
1528	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_us2_ws_l !< subdomain sum of horizontal momentum flux u'u' (5th-order advection scheme only)
1529	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_vs2_ws_l !< subdomain sum of horizontal momentum flux v'v' (5th-order advection scheme only)
1530	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_ws2_ws_l !< subdomain sum of vertical momentum flux w'w' (5th-order advection scheme only)
1531	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsncs_ws_l !< subdomain sum of vertical clouddrop-number concentration flux w'nc' (5th-order advection scheme only)
1532	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsngs_ws_l !< subdomain sum of vertical graupel-number concentration flux w'nc' (5th-order advection scheme only)
1533	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsnis_ws_l !< subdomain sum of vertical ice crystal concentration flux w'ni' (5th-order advection scheme only)
1534	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsnrs_ws_l !< subdomain sum of vertical raindrop-number concentration flux w'nr' (5th-order advection scheme only)
1535	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsnss_ws_l !< subdomain sum of vertical snow-number concentration flux w'ns' (5th-order advection scheme only)
1536	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wspts_ws_l !< subdomain sum of vertical sensible heat flux w'pt' (5th-order advection scheme only)
1537	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqs_ws_l !< subdomain sum of vertical latent heat flux w'q' (5th-order advection scheme only)
1538	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqcs_ws_l !< subdomain sum of vertical cloudwater flux w'qc' (5th-order advection scheme only)
1539	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqgs_ws_l !< subdomain sum of vertical graupel flux w'qg' (5th-order advection scheme only)
1540	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqis_ws_l !< subdomain sum of vertical ice crystal flux w'qi' (5th-order advection scheme only)
1541	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqrs_ws_l !< subdomain sum of vertical rainwater flux w'qr' (5th-order advection scheme only)
1542	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsqss_ws_l !< subdomain sum of vertical snow flux w'qs' (5th-order advection scheme only)
1543	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wssas_ws_l !< subdomain sum of vertical salinity flux w'sa' (5th-order advection scheme only)
1544	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_wsss_ws_l !< subdomain sum of vertical passive scalar flux w's' (5th-order advection scheme only)
1545	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: sums_ls_l !< subdomain sum of large scale forcing and nudging tendencies
1546
1547	REAL(wp), DIMENSION(:,:), POINTER :: sums_wschs_ws_l !< subdomain sum of vertical chemistry flux w'ch'
1548
1549	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: hom_sum !< sum array for horizontal mean
1550	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: rmask !< REAL flag array (0.0 or 1.0) for statistic regions
1551	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: sums_l !< subdomain sum (_l) gathered for various quantities
1552	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: sums_l_l !< subdomain sum (_l) of mixing length from diffusivities
1553
1554	REAL(wp), DIMENSION(:,:,:,:), ALLOCATABLE :: hom !< horizontal mean of various quantities (profiles/timeseries)
1555
1556	SAVE
1557
1558	END MODULE statistics
1559
1560
1561
1562	!------------------------------------------------------------------------------!
1563	! Description:
1564	! ------------
1565	!> Definition of indices for transposed arrays.
1566	!------------------------------------------------------------------------------!
1567	MODULE transpose_indices
1568
1569	USE kinds
1570
1571	INTEGER(iwp) :: nxl_y !< internal index bound for transpositions
1572	INTEGER(iwp) :: nxl_yd !< internal index bound for transpositions
1573	INTEGER(iwp) :: nxl_z !< internal index bound for transpositions
1574	INTEGER(iwp) :: nxr_y !< internal index bound for transpositions
1575	INTEGER(iwp) :: nxr_yd !< internal index bound for transpositions
1576	INTEGER(iwp) :: nxr_z !< internal index bound for transpositions
1577	INTEGER(iwp) :: nyn_x !< internal index bound for transpositions
1578	INTEGER(iwp) :: nyn_z !< internal index bound for transpositions
1579	INTEGER(iwp) :: nys_x !< internal index bound for transpositions
1580	INTEGER(iwp) :: nys_z !< internal index bound for transpositions
1581	INTEGER(iwp) :: nzb_x !< internal index bound for transpositions
1582	INTEGER(iwp) :: nzb_y !< internal index bound for transpositions
1583	INTEGER(iwp) :: nzb_yd !< internal index bound for transpositions
1584	INTEGER(iwp) :: nzt_x !< internal index bound for transpositions
1585	INTEGER(iwp) :: nzt_y !< internal index bound for transpositions
1586	INTEGER(iwp) :: nzt_yd !< internal index bound for transpositions
1587
1588	SAVE
1589
1590	END MODULE transpose_indices

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