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source: palm/trunk/SOURCE/virtual_measurement_mod.f90 @ 3712

Last change on this file since 3712 was 3706, checked in by suehring, 6 years ago
unused variables removed
Property svn:executable set to ``* Property svn:keywords set to `Id`
File size: 72.9 KB

Rev	Line
[3471]	1	!> @virtual_measurement_mod.f90
[3434]	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 2017 Leibniz Universitaet Hannover
	18	!------------------------------------------------------------------------------!
	19	!
	20	! Current revisions:
	21	! -----------------
[3705]	22	!
	23	!
	24	! Former revisions:
	25	! -----------------
	26	! $Id: virtual_measurement_mod.f90 3706 2019-01-29 20:02:26Z kanani $
[3706]	27	! unused variables removed
	28	!
	29	! 3705 2019-01-29 19:56:39Z suehring
[3704]	30	! - initialization revised
	31	! - binary data output
	32	! - list of allowed variables extended
[3434]	33	!
[3705]	34	! 3704 2019-01-29 19:51:41Z suehring
[3522]	35	! Sampling of variables
	36	!
	37	! 3494 2018-11-06 14:51:27Z suehring
[3494]	38	! Bugfixing
	39	!
	40	! 3473 2018-10-30 20:50:15Z suehring
[3473]	41	! Initial revision
[3434]	42	!
	43	! Authors:
	44	! --------
[3522]	45	! @author Matthias Suehring
[3434]	46	!
	47	! Description:
	48	! ------------
[3471]	49	!> The module acts as an interface between 'real-world' observations and
	50	!> model simulations. Virtual measurements will be taken in the model at the
[3704]	51	!> coordinates representative for the 'real-world' observation coordinates.
[3471]	52	!> More precisely, coordinates and measured quanties will be read from a
	53	!> NetCDF file which contains all required information. In the model,
	54	!> the same quantities (as long as all the required components are switched-on)
	55	!> will be sampled at the respective positions and output into an extra file,
	56	!> which allows for straight-forward comparison of model results with
	57	!> observations.
[3522]	58	!>
	59	!> @todo list_of_allowed variables needs careful checking
	60	!> @todo Check if sign of surface fluxes for heat, radiation, etc., follows
	61	!> the (UC)2 standard
	62	!> @note Fluxes are not processed
[3434]	63	!------------------------------------------------------------------------------!
[3471]	64	MODULE virtual_measurement_mod
[3434]	65
	66	USE arrays_3d, &
	67	ONLY: q, pt, u, v, w, zu, zw
	68
[3522]	69	USE chem_modules, &
	70	ONLY: nspec
	71
	72	USE chemistry_model_mod, &
	73	ONLY: chem_species
	74
[3434]	75	USE control_parameters, &
[3704]	76	ONLY: air_chemistry, dz, humidity, io_blocks, io_group, neutral, &
	77	message_string, time_since_reference_point, virtual_measurement
[3434]	78
	79	USE cpulog, &
	80	ONLY: cpu_log, log_point
	81
	82	USE grid_variables, &
	83	ONLY: dx, dy
	84
	85	USE indices, &
[3704]	86	ONLY: nzb, nzt, nxl, nxr, nys, nyn, nx, ny, wall_flags_0
[3434]	87
	88	USE kinds
[3704]	89
	90	USE netcdf_data_input_mod, &
	91	ONLY: init_model
	92
	93	USE pegrid
	94
	95	USE surface_mod, &
	96	ONLY: surf_lsm_h, surf_usm_h
	97
	98	USE land_surface_model_mod, &
	99	ONLY: nzb_soil, nzs, nzt_soil, zs, t_soil_h, m_soil_h
	100
	101	USE radiation_model_mod
	102
	103	USE urban_surface_mod, &
	104	ONLY: nzb_wall, nzt_wall, t_wall_h
[3434]	105
	106
	107	IMPLICIT NONE
[3704]	108
	109	TYPE virt_general
	110	INTEGER(iwp) :: id_vm !< NetCDF file id for virtual measurements
	111	INTEGER(iwp) :: nvm = 0 !< number of virtual measurements
	112	END TYPE virt_general
[3434]	113
	114	TYPE virt_mea
	115
[3704]	116	CHARACTER(LEN=100) :: feature_type !< type of the measurement
	117	CHARACTER(LEN=100) :: filename_original !< name of the original file
	118	CHARACTER(LEN=100) :: site !< name of the measurement site
[3434]	119
	120	CHARACTER(LEN=10), DIMENSION(:), ALLOCATABLE :: measured_vars_name !< name of the measured variables
	121
[3704]	122	INTEGER(iwp) :: ns = 0 !< number of observation coordinates on subdomain, for atmospheric measurements
	123	INTEGER(iwp) :: ns_tot = 0 !< total number of observation coordinates, for atmospheric measurements
	124	INTEGER(iwp) :: ntraj !< number of trajectories of a measurement
	125	INTEGER(iwp) :: nvar !< number of measured variables (atmosphere + soil)
[3434]	126
[3704]	127	INTEGER(iwp) :: ns_soil = 0 !< number of observation coordinates on subdomain, for soil measurements
	128	INTEGER(iwp) :: ns_soil_tot = 0 !< total number of observation coordinates, for soil measurements
	129
[3434]	130	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: dim_t !< number observations individual for each trajectory or station that are no _FillValues
	131
[3704]	132	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: i !< grid index for measurement position in x-direction
	133	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: j !< grid index for measurement position in y-direction
	134	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k !< grid index for measurement position in k-direction
	135
	136	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: i_soil !< grid index for measurement position in x-direction
	137	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: j_soil !< grid index for measurement position in y-direction
	138	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: k_soil !< grid index for measurement position in k-direction
[3434]	139
	140	LOGICAL :: trajectory = .FALSE. !< flag indicating that the observation is a mobile observation
	141	LOGICAL :: timseries = .FALSE. !< flag indicating that the observation is a stationary point measurement
	142	LOGICAL :: timseries_profile = .FALSE. !< flag indicating that the observation is a stationary profile measurement
[3704]	143	LOGICAL :: soil_sampling = .FALSE. !< flag indicating that soil state variables were sampled
[3434]	144
[3704]	145	REAL(wp) :: fill_eutm !< fill value for UTM coordinates in case of missing values
	146	REAL(wp) :: fill_nutm !< fill value for UTM coordinates in case of missing values
	147	REAL(wp) :: fill_zag !< fill value for heigth coordinates in case of missing values
	148	REAL(wp) :: fillout = -999.9 !< fill value for output in case a observation is taken from inside a building
	149	REAL(wp) :: origin_x_obs !< origin of the observation in UTM coordiates in x-direction
	150	REAL(wp) :: origin_y_obs !< origin of the observation in UTM coordiates in y-direction
	151
	152	REAL(wp), DIMENSION(:), ALLOCATABLE :: z_ag !< measurement height above ground level
	153	REAL(wp), DIMENSION(:), ALLOCATABLE :: depth !< measurement depth in soil
[3522]	154
[3704]	155	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: measured_vars !< measured variables
	156	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: measured_vars_soil !< measured variables
[3434]	157
	158	END TYPE virt_mea
	159
	160	CHARACTER(LEN=5) :: char_eutm = "E_UTM" !< dimension name for UTM coordinate easting
	161	CHARACTER(LEN=11) :: char_feature = "featureType" !< attribute name for feature type
[3704]	162
	163	! This need to generalized
	164	CHARACTER(LEN=8) :: char_filename = "filename" !< attribute name for filename
	165	CHARACTER(LEN=11) :: char_soil = "soil_sample" !< attribute name for soil sampling indication
[3434]	166	CHARACTER(LEN=10) :: char_fillvalue = "_FillValue" !< variable attribute name for _FillValue
	167	CHARACTER(LEN=18) :: char_mv = "measured_variables" !< variable name for the array with the measured variable names
	168	CHARACTER(LEN=5) :: char_nutm = "N_UTM" !< dimension name for UTM coordinate northing
	169	CHARACTER(LEN=18) :: char_numstations = "number_of_stations" !< attribute name for number of stations
	170	CHARACTER(LEN=8) :: char_origx = "origin_x" !< attribute name for station coordinate in x
	171	CHARACTER(LEN=8) :: char_origy = "origin_y" !< attribute name for station coordinate in y
	172	CHARACTER(LEN=4) :: char_site = "site" !< attribute name for site name
	173	CHARACTER(LEN=19) :: char_zag = "height_above_ground" !< attribute name for height above ground variable
	174	CHARACTER(LEN=10) :: type_ts = 'timeSeries' !< name of stationary point measurements
	175	CHARACTER(LEN=10) :: type_traj = 'trajectory' !< name of line measurements
	176	CHARACTER(LEN=17) :: type_tspr = 'timeSeriesProfile' !< name of stationary profile measurements
[3704]	177
	178	CHARACTER(LEN=6), DIMENSION(1:5) :: soil_vars = (/ & !< list of soil variables
	179	't_soil', &
	180	'm_soil', &
	181	'lwc ', &
	182	'lwcs ', &
	183	'smp ' /)
	184
	185	CHARACTER(LEN=10), DIMENSION(0:1,1:8) :: chem_vars = RESHAPE( (/ &
	186	'mcpm1 ', 'kc_PM1 ', &
	187	'mcpm2p5 ', 'kc_PM2.5 ', &
	188	'mcpm25 ', 'kc_PM25 ', &
	189	'mcpm10 ', 'kc_PM10 ', &
	190	'mfno2 ', 'kc_NO2 ', &
	191	'mfno ', 'kc_NO ', &
	192	'tro3 ', 'kc_O3 ', &
	193	'mfco ', 'kc_CO ' &
	194	/), (/ 2, 8 /) )
[3522]	195	!
	196	!-- MS: List requires careful revision!
[3704]	197	CHARACTER(LEN=10), DIMENSION(1:54), PARAMETER :: list_allowed_variables = & !< variables that can be sampled in PALM
[3471]	198	(/ 'hfls ', & ! surface latent heat flux (W/m2)
	199	'hfss ', & ! surface sensible heat flux (W/m2)
	200	'hur ', & ! relative humidity (-)
	201	'hus ', & ! specific humidity (g/kg)
	202	'haa ', & ! absolute atmospheric humidity (kg/m3)
	203	'mcpm1 ', & ! mass concentration of PM1 (kg/m3)
	204	'mcpm2p5 ', & ! mass concentration of PM2.5 (kg/m3)
	205	'mcpm10 ', & ! mass concentration of PM10 (kg/m3)
	206	'mcco ', & ! mass concentration of CO (kg/m3)
	207	'mcco2 ', & ! mass concentration of CO2 (kg/m3)
	208	'mcbcda ', & ! mass concentration of black carbon paritcles (kg/m3)
	209	'ncaa ', & ! number concentation of particles (1/m3)
[3522]	210	'mfco ', & ! mole fraction of CO (mol/mol)
[3471]	211	'mfco2 ', & ! mole fraction of CO2 (mol/mol)
	212	'mfch4 ', & ! mole fraction of methane (mol/mol)
	213	'mfnh3 ', & ! mole fraction of amonia (mol/mol)
	214	'mfno ', & ! mole fraction of nitrogen monoxide (mol/mol)
	215	'mfno2 ', & ! mole fraction of nitrogen dioxide (mol/mol)
	216	'mfso2 ', & ! mole fraction of sulfur dioxide (mol/mol)
	217	'mfh20 ', & ! mole fraction of water (mol/mol)
	218	'plev ', & ! ? air pressure - hydrostaic + perturbation?
	219	'rlds ', & ! surface downward longwave flux (W/m2)
	220	'rlus ', & ! surface upward longwave flux (W/m2)
	221	'rsds ', & ! surface downward shortwave flux (W/m2)
	222	'rsus ', & ! surface upward shortwave flux (W/m2)
	223	'ta ', & ! air temperature (degree C)
	224	't_va ', & ! virtual accoustic temperature (K)
	225	'theta ', & ! potential temperature (K)
	226	'tro3 ', & ! mole fraction of ozone air (mol/mol)
	227	'ts ', & ! scaling parameter of temperature (K)
	228	'wspeed ', & ! ? wind speed - horizontal?
	229	'wdir ', & ! wind direction
	230	'us ', & ! friction velocity
	231	'msoil ', & ! ? soil moisture - which depth?
	232	'tsoil ', & ! ? soil temperature - which depth?
	233	'u ', & ! u-component
[3704]	234	'utheta ', & ! total eastward kinematic heat flux
[3471]	235	'ua ', & ! eastward wind (is there any difference to u?)
	236	'v ', & ! v-component
[3704]	237	'vtheta ', & ! total northward kinematic heat flux
[3471]	238	'va ', & ! northward wind (is there any difference to v?)
	239	'w ', & ! w-component
[3704]	240	'wtheta ', & ! total vertical kinematic heat flux
[3471]	241	'rld ', & ! downward longwave radiative flux (W/m2)
	242	'rlu ', & ! upnward longwave radiative flux (W/m2)
	243	'rsd ', & ! downward shortwave radiative flux (W/m2)
	244	'rsu ', & ! upward shortwave radiative flux (W/m2)
	245	'rsddif ', & ! downward shortwave diffuse radiative flux (W/m2)
[3704]	246	'rnds ', & ! surface net downward radiative flux (W/m2)
	247	't_soil ', &
	248	'm_soil ', &
	249	'lwc ', &
	250	'lwcs ', &
	251	'smp ' &
[3471]	252	/)
[3704]	253
[3434]	254
[3704]	255	LOGICAL :: global_attribute = .TRUE. !< flag indicating a global attribute
	256	LOGICAL :: init = .TRUE. !< flag indicating initialization of data output
[3434]	257	LOGICAL :: use_virtual_measurement = .FALSE. !< Namelist parameter
	258
	259	REAL(wp) :: vm_time_start = 0.0 !< time after virtual measurements should start
	260
[3704]	261	TYPE( virt_general ) :: vmea_general !< data structure which encompass general variables
[3434]	262	TYPE( virt_mea ), DIMENSION(:), ALLOCATABLE :: vmea !< virtual measurement data structure
	263
	264	INTERFACE vm_check_parameters
	265	MODULE PROCEDURE vm_check_parameters
	266	END INTERFACE vm_check_parameters
	267
[3704]	268	INTERFACE vm_data_output
	269	MODULE PROCEDURE vm_data_output
	270	END INTERFACE vm_data_output
	271
[3434]	272	INTERFACE vm_init
	273	MODULE PROCEDURE vm_init
	274	END INTERFACE vm_init
	275
[3704]	276	INTERFACE vm_last_actions
	277	MODULE PROCEDURE vm_last_actions
	278	END INTERFACE vm_last_actions
	279
[3434]	280	INTERFACE vm_parin
	281	MODULE PROCEDURE vm_parin
	282	END INTERFACE vm_parin
	283
	284	INTERFACE vm_sampling
	285	MODULE PROCEDURE vm_sampling
	286	END INTERFACE vm_sampling
	287
	288	SAVE
	289
	290	PRIVATE
	291
	292	!
	293	!-- Public interfaces
[3704]	294	PUBLIC vm_check_parameters, vm_data_output, vm_init, vm_last_actions, &
	295	vm_parin, vm_sampling
[3434]	296
	297	!
	298	!-- Public variables
[3704]	299	PUBLIC vmea, vmea_general, vm_time_start
[3434]	300
	301	CONTAINS
	302
	303
	304	!------------------------------------------------------------------------------!
	305	! Description:
	306	! ------------
[3471]	307	!> Check parameters for virtual measurement module
[3434]	308	!------------------------------------------------------------------------------!
	309	SUBROUTINE vm_check_parameters
	310
	311	USE control_parameters, &
	312	ONLY: message_string, virtual_measurement
	313
	314	USE netcdf_data_input_mod, &
	315	ONLY: input_pids_static
	316
	317	IMPLICIT NONE
	318
	319	!
	320	!-- In case virtual measurements are taken, a static input file is required.
	321	!-- This is because UTM coordinates for the PALM domain origin are required
	322	!-- for correct mapping of the measurements.
	323	!-- ToDo: Revise this later and remove this requirement.
	324	IF ( virtual_measurement .AND. .NOT. input_pids_static ) THEN
[3704]	325	message_string = 'If virtual measurements are taken, a static input ' //&
[3434]	326	'file is mandatory.'
	327	CALL message( 'vm_check_parameters', 'PA0000', 1, 2, 0, 6, 0 )
	328	ENDIF
	329
	330	END SUBROUTINE vm_check_parameters
	331
	332	!------------------------------------------------------------------------------!
	333	! Description:
	334	! ------------
[3471]	335	!> Read namelist for the virtual measurement module
[3434]	336	!------------------------------------------------------------------------------!
	337	SUBROUTINE vm_parin
	338
	339	CHARACTER (LEN=80) :: line !< dummy string that contains the current line of the parameter file
	340
	341	NAMELIST /virtual_measurement_parameters/ use_virtual_measurement, &
	342	vm_time_start
	343
	344	line = ' '
	345
	346	!
	347	!-- Try to find stg package
	348	REWIND ( 11 )
	349	line = ' '
	350	DO WHILE ( INDEX( line, '&virtual_measurement_parameters' ) == 0 )
	351	READ ( 11, '(A)', END=20 ) line
	352	ENDDO
	353	BACKSPACE ( 11 )
	354
	355	!
	356	!-- Read namelist
	357	READ ( 11, virtual_measurement_parameters, ERR = 10, END = 20 )
	358
	359	!
[3471]	360	!-- Set flag that indicates that the virtual measurement module is switched on
[3434]	361	IF ( use_virtual_measurement ) virtual_measurement = .TRUE.
	362
	363	GOTO 20
	364
	365	10 BACKSPACE( 11 )
	366	READ( 11 , '(A)') line
	367	CALL parin_fail_message( 'virtual_measurement_parameters', line )
	368
	369	20 CONTINUE
	370
	371	END SUBROUTINE vm_parin
	372
	373
	374	!------------------------------------------------------------------------------!
	375	! Description:
	376	! ------------
	377	!> Initialize virtual measurements: read coordiante arrays and measured
	378	!> variables, set indicies indicating the measurement points, read further
	379	!> attributes, etc..
	380	!------------------------------------------------------------------------------!
	381	SUBROUTINE vm_init
	382
	383	USE arrays_3d, &
	384	ONLY: zu, zw
	385
	386	USE grid_variables, &
	387	ONLY: ddx, ddy, dx, dy
	388
	389	USE indices, &
	390	ONLY: nxl, nxr, nyn, nys
	391
	392	USE netcdf_data_input_mod, &
[3704]	393	ONLY: init_model, input_file_vm, &
	394	netcdf_data_input_get_dimension_length, &
[3434]	395	netcdf_data_input_att, netcdf_data_input_var
	396
	397	USE surface_mod, &
	398	ONLY: get_topography_top_index_ji
	399
	400	IMPLICIT NONE
	401
	402	CHARACTER(LEN=5) :: dum !< dummy string indicate station id
[3704]	403	CHARACTER(LEN=5) :: dummy_read !< dummy string indicate station id
[3434]	404	CHARACTER(LEN=10), DIMENSION(50) :: measured_variables_file = '' !< array with all measured variables read from NetCDF
[3522]	405	CHARACTER(LEN=10), DIMENSION(50) :: measured_variables = '' !< dummy array with all measured variables that are allowed
[3434]	406
	407	INTEGER(iwp) :: dim_ntime !< dimension size of time coordinate
[3704]	408	INTEGER(iwp) :: i !< grid index of virtual observation point in x-direction
[3434]	409	INTEGER(iwp) :: is !< grid index of real observation point of the respective station in x-direction
[3704]	410	INTEGER(iwp) :: j !< grid index of observation point in x-direction
[3434]	411	INTEGER(iwp) :: js !< grid index of real observation point of the respective station in y-direction
[3704]	412	INTEGER(iwp) :: k !< grid index of observation point in x-direction
[3522]	413	INTEGER(iwp) :: kl !< lower vertical index of surrounding grid points of an observation coordinate
[3434]	414	INTEGER(iwp) :: ks !< grid index of real observation point of the respective station in z-direction
	415	INTEGER(iwp) :: ksurf !< topography top index
[3522]	416	INTEGER(iwp) :: ku !< upper vertical index of surrounding grid points of an observation coordinate
[3434]	417	INTEGER(iwp) :: l !< running index over all stations
	418	INTEGER(iwp) :: len_char !< character length of single measured variables without Null character
	419	INTEGER(iwp) :: ll !< running index over all measured variables in file
	420	INTEGER(iwp) :: lll !< running index over all allowed variables
	421	INTEGER(iwp) :: n !< running index over trajectory coordinates
	422	INTEGER(iwp) :: ns !< counter variable for number of observation points on subdomain
	423	INTEGER(iwp) :: t !< running index over number of trajectories
[3704]	424	INTEGER(iwp) :: m
[3434]	425
[3704]	426	INTEGER(KIND=1):: soil_dum
	427
	428	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: ns_all !< dummy array used to sum-up the number of observation coordinates
	429
[3522]	430	INTEGER(iwp), DIMENSION(:,:,:), ALLOCATABLE :: meas_flag !< mask array indicating measurement positions
	431
	432	LOGICAL :: chem_include !< flag indicating that chemical species is considered in modelled mechanism
	433	LOGICAL :: on_pe !< flag indicating that the respective measurement coordinate is on subdomain
	434
[3434]	435	REAL(wp) :: fill_eutm !< _FillValue for coordinate array E_UTM
	436	REAL(wp) :: fill_nutm !< _FillValue for coordinate array N_UTM
	437	REAL(wp) :: fill_zag !< _FillValue for height coordinate
	438
[3437]	439	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: e_utm !< easting UTM coordinate, temporary variable
	440	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: n_utm !< northing UTM coordinate, temporary variable,
	441	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: z_ag !< height coordinate relative to origin_z, temporary variable
[3434]	442	!
[3704]	443	!-- Obtain number of sites. Also, pass the 'open' string, in order to initially
	444	!-- open the measurement driver.
	445	CALL netcdf_data_input_att( vmea_general%nvm, char_numstations, &
	446	vmea_general%id_vm, input_file_vm, &
[3434]	447	global_attribute, 'open', '' )
[3522]	448
[3434]	449	!
[3704]	450	!-- Allocate data structure which encompass all required information, such as
	451	!-- grid points indicies, absolute UTM coordinates, the measured quantities,
	452	!-- etc. .
	453	ALLOCATE( vmea(1:vmea_general%nvm) )
[3434]	454	!
[3704]	455	!-- Allocate flag array. This dummy array is used to identify grid points
	456	!-- where virtual measurements should be taken. Please note, at least one
	457	!-- ghost point is required, in order to include also the surrounding
	458	!-- grid points of the original coordinate.
[3522]	459	ALLOCATE( meas_flag(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) )
	460	meas_flag = 0
	461	!
[3704]	462	!-- Loop over all sites.
	463	DO l = 1, vmea_general%nvm
[3434]	464	!
[3704]	465	!-- Determine suffix which contains the ID, ordered according to the number
	466	!-- of measurements.
[3434]	467	IF( l < 10 ) THEN
	468	WRITE( dum, '(I1)') l
	469	ELSEIF( l < 100 ) THEN
	470	WRITE( dum, '(I2)') l
	471	ELSEIF( l < 1000 ) THEN
	472	WRITE( dum, '(I3)') l
	473	ELSEIF( l < 10000 ) THEN
	474	WRITE( dum, '(I4)') l
	475	ELSEIF( l < 100000 ) THEN
	476	WRITE( dum, '(I5)') l
	477	ENDIF
[3704]	478	!
	479	!-- Read site coordinates (UTM).
	480	CALL netcdf_data_input_att( vmea(l)%origin_x_obs, char_origx // &
	481	TRIM( dum ), vmea_general%id_vm, '', &
	482	global_attribute, '', '' )
	483	CALL netcdf_data_input_att( vmea(l)%origin_y_obs, char_origy // &
	484	TRIM( dum ), vmea_general%id_vm, '', &
	485	global_attribute, '', '' )
	486	!
	487	!-- Read site name
	488	CALL netcdf_data_input_att( vmea(l)%site, char_site // TRIM( dum ), &
	489	vmea_general%id_vm, '', global_attribute, &
[3434]	490	'', '' )
[3704]	491	!
	492	!-- Read type of the measurement (trajectory, profile, timeseries).
	493	CALL netcdf_data_input_att( vmea(l)%feature_type, char_feature // &
	494	TRIM( dum ), vmea_general%id_vm, '', &
	495	global_attribute, '', '' )
	496	!
	497	!-- Read the name of the original file where observational data is stored.
	498	CALL netcdf_data_input_att( vmea(l)%filename_original, char_filename // &
	499	TRIM( dum ), vmea_general%id_vm, '', &
	500	global_attribute, '', '' )
	501	!
	502	!-- Read a flag which indicates that also soil quantities are take at the
	503	!-- respective site (is part of the virtual measurement driver).
	504	CALL netcdf_data_input_att( soil_dum, char_soil // TRIM( dum ), &
	505	vmea_general%id_vm, '', global_attribute, &
[3434]	506	'', '' )
	507	!
[3704]	508	!-- Set flag for soil-sampling.
	509	IF ( soil_dum == 1 ) vmea(l)%soil_sampling = .TRUE.
	510	!
[3434]	511	!--- Set logicals depending on the type of the measurement
	512	IF ( INDEX( vmea(l)%feature_type, type_tspr ) /= 0 ) THEN
	513	vmea(l)%timseries_profile = .TRUE.
	514	ELSEIF ( INDEX( vmea(l)%feature_type, type_ts ) /= 0 ) THEN
	515	vmea(l)%timseries = .TRUE.
	516	ELSEIF ( INDEX( vmea(l)%feature_type, type_traj ) /= 0 ) THEN
	517	vmea(l)%trajectory = .TRUE.
[3704]	518	!
	519	!-- Give error message in case the type matches non of the pre-defined types.
[3434]	520	ELSE
	521	message_string = 'Attribue featureType = ' // &
	522	TRIM( vmea(l)%feature_type ) // &
	523	' is not allowed.'
	524	CALL message( 'vm_init', 'PA0000', 1, 2, 0, 6, 0 )
	525	ENDIF
	526	!
[3704]	527	!-- Read string with all measured variables at this site
[3434]	528	measured_variables_file = ''
	529	CALL netcdf_data_input_var( measured_variables_file, &
[3704]	530	char_mv // TRIM( dum ), vmea_general%id_vm )
[3434]	531	!
[3704]	532	!-- Count the number of measured variables. Only count variables that match
	533	!-- with the allowed variables.
	534	!-- Please note, for some NetCDF interal reasons characters end with a NULL,
	535	!-- i.e. also empty characters contain a NULL. Therefore, check the strings
	536	!-- for a NULL to get the correct character length in order to compare
	537	!-- them with the list of allowed variables.
	538	vmea(l)%nvar = 0
[3434]	539	DO ll = 1, SIZE( measured_variables_file )
	540	IF ( measured_variables_file(ll)(1:1) /= CHAR(0) .AND. &
	541	measured_variables_file(ll)(1:1) /= ' ') THEN
	542	!
	543	!-- Obtain character length of the character
	544	len_char = 1
	545	DO WHILE ( measured_variables_file(ll)(len_char:len_char) /= CHAR(0)&
	546	.AND. measured_variables_file(ll)(len_char:len_char) /= ' ' )
	547	len_char = len_char + 1
	548	ENDDO
	549	len_char = len_char - 1
	550	!
	551	!-- Now, compare the measured variable with the list of allowed
	552	!-- variables.
	553	DO lll= 1, SIZE( list_allowed_variables )
	554	IF ( measured_variables_file(ll)(1:len_char) == &
	555	TRIM( list_allowed_variables(lll) ) ) THEN
	556	vmea(l)%nvar = vmea(l)%nvar + 1
	557	measured_variables(vmea(l)%nvar) = &
	558	measured_variables_file(ll)(1:len_char)
	559	ENDIF
	560	ENDDO
	561	ENDIF
	562	ENDDO
	563	!
[3704]	564	!-- Allocate array for the measured variables names for the respective site.
[3434]	565	ALLOCATE( vmea(l)%measured_vars_name(1:vmea(l)%nvar) )
	566
	567	DO ll = 1, vmea(l)%nvar
	568	vmea(l)%measured_vars_name(ll) = TRIM( measured_variables(ll) )
	569	ENDDO
	570	!
[3522]	571	!-- In case of chemistry, check if species is considered in the modelled
	572	!-- chemistry mechanism.
[3704]	573	! IF ( air_chemistry ) THEN
	574	! DO ll = 1, vmea(l)%nvar
	575	! chem_include = .FALSE.
	576	! DO n = 1, nspec
	577	! IF ( TRIM( vmea(l)%measured_vars_name(ll) ) == &
	578	! TRIM( chem_species(n)%name ) ) chem_include = .TRUE.
	579	! ENDDO
	580	! !
	581	! !-- Revise this. It should only check for chemistry variables and not for all!
	582	! IF ( .NOT. chem_include ) THEN
	583	! message_string = TRIM( vmea(l)%measured_vars_name(ll) ) // &
	584	! ' is not considered in the modelled ' // &
	585	! 'chemistry mechanism'
	586	! CALL message( 'vm_init', 'PA0000', 0, 0, 0, 6, 0 )
	587	! ENDIF
	588	! ENDDO
	589	! ENDIF
[3522]	590	!
[3704]	591	!-- Read the UTM coordinates for the actual site. Based on the coordinates,
	592	!-- define the grid-index space on each subdomain where virtual measurements
	593	!-- should be taken. Note, the entire coordinate arrays will not be stored
	594	!-- as this would exceed memory requirements, particularly for trajectory
	595	!-- measurements.
[3434]	596	IF ( vmea(l)%nvar > 0 ) THEN
	597	!
	598	!-- For stationary measurements UTM coordinates are just one value and
	599	!-- its dimension is "station", while for mobile measurements UTM
[3704]	600	!-- coordinates are arrays depending on the number of trajectories and
	601	!-- time, according to (UC)2 standard. First, inquire dimension length
	602	!-- of the UTM coordinates.
[3434]	603	IF ( vmea(l)%trajectory ) THEN
	604	!
	605	!-- For non-stationary measurements read the number of trajectories
[3704]	606	!-- and the number of time coordinates.
	607	CALL netcdf_data_input_get_dimension_length( vmea_general%id_vm, &
[3434]	608	vmea(l)%ntraj, &
	609	"traj" // &
	610	TRIM( dum ) )
[3704]	611	CALL netcdf_data_input_get_dimension_length( vmea_general%id_vm, &
	612	dim_ntime, &
[3434]	613	"ntime" // &
	614	TRIM( dum ) )
	615	!
[3704]	616	!-- For stationary measurements the dimension for UTM and time
	617	!-- coordinates is 1.
[3434]	618	ELSE
	619	vmea(l)%ntraj = 1
	620	dim_ntime = 1
	621	ENDIF
	622	!
	623	!- Allocate array which defines individual time frame for each
[3704]	624	!-- trajectory or station.
[3434]	625	ALLOCATE( vmea(l)%dim_t(1:vmea(l)%ntraj) )
	626	!
	627	!-- Allocate temporary arrays for UTM and height coordinates. Note,
	628	!-- on file UTM coordinates might be 1D or 2D variables
[3437]	629	ALLOCATE( e_utm(1:vmea(l)%ntraj,1:dim_ntime) )
	630	ALLOCATE( n_utm(1:vmea(l)%ntraj,1:dim_ntime) )
	631	ALLOCATE( z_ag(1:vmea(l)%ntraj,1:dim_ntime) )
[3434]	632	!
[3704]	633	!-- Read _FillValue attributes of the coordinate dimensions.
[3434]	634	CALL netcdf_data_input_att( fill_eutm, char_fillvalue, &
[3704]	635	vmea_general%id_vm, '', &
	636	.NOT. global_attribute, '', &
[3434]	637	char_eutm // TRIM( dum ) )
	638	CALL netcdf_data_input_att( fill_nutm, char_fillvalue, &
[3704]	639	vmea_general%id_vm, '', &
	640	.NOT. global_attribute, '', &
[3434]	641	char_nutm // TRIM( dum ) )
	642	CALL netcdf_data_input_att( fill_zag, char_fillvalue, &
[3704]	643	vmea_general%id_vm, '', &
	644	.NOT. global_attribute, '', &
[3434]	645	char_zag // TRIM( dum ) )
	646	!
	647	!-- Read UTM and height coordinates coordinates for all trajectories and
	648	!-- times.
[3437]	649	IF ( vmea(l)%trajectory ) THEN
[3704]	650	CALL netcdf_data_input_var( e_utm, char_eutm // TRIM( dum ), &
	651	vmea_general%id_vm, &
[3437]	652	0, dim_ntime-1, 0, vmea(l)%ntraj-1 )
[3704]	653	CALL netcdf_data_input_var( n_utm, char_nutm // TRIM( dum ), &
	654	vmea_general%id_vm, &
[3437]	655	0, dim_ntime-1, 0, vmea(l)%ntraj-1 )
[3704]	656	CALL netcdf_data_input_var( z_ag, char_zag // TRIM( dum ), &
	657	vmea_general%id_vm, &
[3437]	658	0, dim_ntime-1, 0, vmea(l)%ntraj-1 )
	659	ELSE
[3704]	660	CALL netcdf_data_input_var( e_utm(1,:), char_eutm // TRIM( dum ), &
	661	vmea_general%id_vm )
	662	CALL netcdf_data_input_var( n_utm(1,:), char_nutm // TRIM( dum ), &
	663	vmea_general%id_vm )
	664	CALL netcdf_data_input_var( z_ag(1,:), char_zag // TRIM( dum ), &
	665	vmea_general%id_vm )
	666	ENDIF
[3434]	667	!
	668	!-- Based on UTM coordinates, check if the measurement station or parts
	669	!-- of the trajectory is on subdomain. This case, setup grid index space
	670	!-- sample these quantities.
[3522]	671	meas_flag = 0
[3434]	672	DO t = 1, vmea(l)%ntraj
[3704]	673	!
	674	!-- First, compute relative x- and y-coordinates with respect to the
	675	!-- lower-left origin of the model domain, which is the difference
	676	!-- betwen UTM coordinates. Note, if the origin is not correct, the
	677	!-- virtual sites will be misplaced.
	678	e_utm(t,1:dim_ntime) = e_utm(t,1:dim_ntime) - init_model%origin_x
	679	n_utm(t,1:dim_ntime) = n_utm(t,1:dim_ntime) - init_model%origin_y
[3434]	680	!
	681	!-- Determine the individual time coordinate length for each station and
	682	!-- trajectory. This is required as several stations and trajectories
	683	!-- are merged into one file but they do not have the same number of
	684	!-- points in time, hence, missing values may occur and cannot be
[3704]	685	!-- processed further. This is actually a work-around for the specific
	686	!-- (UC)2 dataset, but it won't harm in anyway.
[3434]	687	vmea(l)%dim_t(t) = 0
	688	DO n = 1, dim_ntime
[3437]	689	IF ( e_utm(t,n) /= fill_eutm .AND. &
	690	n_utm(t,n) /= fill_nutm .AND. &
	691	z_ag(t,n) /= fill_zag ) vmea(l)%dim_t(t) = n
[3434]	692	ENDDO
	693	!
	694	!-- Compute grid indices relative to origin and check if these are
	695	!-- on the subdomain. Note, virtual measurements will be taken also
	696	!-- at grid points surrounding the station, hence, check also for
	697	!-- these grid points.
[3437]	698	DO n = 1, vmea(l)%dim_t(t)
	699	is = INT( ( e_utm(t,n) + 0.5_wp * dx ) * ddx, KIND = iwp )
	700	js = INT( ( n_utm(t,n) + 0.5_wp * dy ) * ddy, KIND = iwp )
[3434]	701	!
	702	!-- Is the observation point on subdomain?
	703	on_pe = ( is >= nxl .AND. is <= nxr .AND. &
	704	js >= nys .AND. js <= nyn )
	705	!
[3522]	706	!-- Check if observation coordinate is on subdomain
[3434]	707	IF ( on_pe ) THEN
[3522]	708	!
	709	!-- Determine vertical index which correspond to the observation
	710	!-- height.
[3434]	711	ksurf = get_topography_top_index_ji( js, is, 's' )
[3437]	712	ks = MINLOC( ABS( zu - zw(ksurf) - z_ag(t,n) ), DIM = 1 ) - 1
[3434]	713	!
[3522]	714	!-- Set mask array at the observation coordinates. Also, flag the
	715	!-- surrounding coordinate points, but first check whether the
	716	!-- surrounding coordinate points are on the subdomain.
[3704]	717	kl = MERGE( ks-1, ks, ks-1 >= nzb .AND. ks-1 >= ksurf )
	718	ku = MERGE( ks+1, ks, ks+1 < nzt+1 )
[3522]	719
[3704]	720	DO i = is-1, is+1
	721	DO j = js-1, js+1
	722	DO k = kl, ku
	723	meas_flag(k,j,i) = MERGE( &
	724	IBSET( meas_flag(k,j,i), 0 ), &
	725	0, &
	726	BTEST( wall_flags_0(k,j,i), 0 ) &
	727	)
	728	ENDDO
	729	ENDDO
	730	ENDDO
[3434]	731	ENDIF
	732	ENDDO
	733
	734	ENDDO
	735	!
[3704]	736	!-- Based on the flag array count the number of of sampling coordinates.
	737	!-- Please note, sampling coordinates in atmosphere and soil may be
	738	!-- different, as within the soil all levels will be measured.
	739	!-- Hence, count individually. Start with atmoshere.
[3522]	740	ns = 0
[3704]	741	DO i = nxl-1, nxr+1
	742	DO j = nys-1, nyn+1
	743	DO k = nzb, nzt+1
	744	ns = ns + MERGE( 1, 0, BTEST( meas_flag(k,j,i), 0 ) )
[3522]	745	ENDDO
	746	ENDDO
	747	ENDDO
[3704]	748
[3522]	749	!
[3434]	750	!-- Store number of observation points on subdomain and allocate index
[3704]	751	!-- arrays as well as array containing height information.
[3434]	752	vmea(l)%ns = ns
	753
	754	ALLOCATE( vmea(l)%i(1:vmea(l)%ns) )
	755	ALLOCATE( vmea(l)%j(1:vmea(l)%ns) )
	756	ALLOCATE( vmea(l)%k(1:vmea(l)%ns) )
[3704]	757	ALLOCATE( vmea(l)%z_ag(1:vmea(l)%ns) )
[3434]	758	!
[3522]	759	!-- Based on the flag array store the grid indices which correspond to
	760	!-- the observation coordinates.
[3704]	761	ns = 0
	762	DO i = nxl-1, nxr+1
	763	DO j = nys-1, nyn+1
	764	DO k = nzb, nzt+1
	765	IF ( BTEST( meas_flag(k,j,i), 0 ) ) THEN
[3522]	766	ns = ns + 1
[3704]	767	vmea(l)%i(ns) = i
	768	vmea(l)%j(ns) = j
	769	vmea(l)%k(ns) = k
	770	vmea(l)%z_ag(ns) = zu(k) - &
	771	zw(get_topography_top_index_ji( j, i, 's' ))
[3522]	772	ENDIF
	773	ENDDO
[3434]	774	ENDDO
	775	ENDDO
	776	!
[3704]	777	!-- Same for the soil. Based on the flag array, count the number of
	778	!-- sampling coordinates in soil. Sample at all soil levels in this case.
	779	IF ( vmea(l)%soil_sampling ) THEN
	780	DO i = nxl, nxr
	781	DO j = nys, nyn
	782	IF ( ANY( BTEST( meas_flag(:,j,i), 0 ) ) ) THEN
	783	IF ( surf_lsm_h%start_index(j,i) <= &
	784	surf_lsm_h%end_index(j,i) ) THEN
	785	vmea(l)%ns_soil = vmea(l)%ns_soil + &
	786	nzt_soil - nzb_soil + 1
	787	ENDIF
	788	IF ( surf_usm_h%start_index(j,i) <= &
	789	surf_usm_h%end_index(j,i) ) THEN
	790	vmea(l)%ns_soil = vmea(l)%ns_soil + &
	791	nzt_wall - nzb_wall + 1
	792	ENDIF
	793	ENDIF
	794	ENDDO
	795	ENDDO
	796	ENDIF
	797	!
	798	!-- Allocate index arrays as well as array containing height information
	799	!-- for soil.
	800	IF ( vmea(l)%soil_sampling ) THEN
	801	ALLOCATE( vmea(l)%i_soil(1:vmea(l)%ns_soil) )
	802	ALLOCATE( vmea(l)%j_soil(1:vmea(l)%ns_soil) )
	803	ALLOCATE( vmea(l)%k_soil(1:vmea(l)%ns_soil) )
	804	ALLOCATE( vmea(l)%depth(1:vmea(l)%ns_soil) )
	805	ENDIF
	806	!
	807	!-- For soil, store the grid indices.
	808	ns = 0
	809	IF ( vmea(l)%soil_sampling ) THEN
	810	DO i = nxl, nxr
	811	DO j = nys, nyn
	812	IF ( ANY( BTEST( meas_flag(:,j,i), 0 ) ) ) THEN
	813	IF ( surf_lsm_h%start_index(j,i) <= &
	814	surf_lsm_h%end_index(j,i) ) THEN
	815	m = surf_lsm_h%start_index(j,i)
	816	DO k = nzb_soil, nzt_soil
	817	ns = ns + 1
	818	vmea(l)%i_soil(ns) = i
	819	vmea(l)%j_soil(ns) = j
	820	vmea(l)%k_soil(ns) = k
	821	vmea(l)%depth(ns) = zs(k)
	822	ENDDO
	823	ENDIF
	824
	825	IF ( surf_usm_h%start_index(j,i) <= &
	826	surf_usm_h%end_index(j,i) ) THEN
	827	m = surf_usm_h%start_index(j,i)
	828	DO k = nzb_wall, nzt_wall
	829	ns = ns + 1
	830	vmea(l)%i_soil(ns) = i
	831	vmea(l)%j_soil(ns) = j
	832	vmea(l)%k_soil(ns) = k
	833	vmea(l)%depth(ns) = surf_usm_h%zw(k,m)
	834	ENDDO
	835	ENDIF
	836	ENDIF
	837	ENDDO
	838	ENDDO
	839	ENDIF
	840	!
[3434]	841	!-- Allocate array to save the sampled values.
[3704]	842	ALLOCATE( vmea(l)%measured_vars(1:vmea(l)%ns,1:vmea(l)%nvar) )
	843
	844	IF ( vmea(l)%soil_sampling ) &
	845	ALLOCATE( vmea(l)%measured_vars_soil(1:vmea(l)%ns_soil, &
	846	1:vmea(l)%nvar) )
[3434]	847	!
[3704]	848	!-- Initialize with _FillValues
	849	vmea(l)%measured_vars(1:vmea(l)%ns,1:vmea(l)%nvar) = vmea(l)%fillout
	850	IF ( vmea(l)%soil_sampling ) &
	851	vmea(l)%measured_vars_soil(1:vmea(l)%ns_soil,1:vmea(l)%nvar) = &
	852	vmea(l)%fillout
[3434]	853	!
	854	!-- Deallocate temporary coordinate arrays
	855	IF ( ALLOCATED( e_utm ) ) DEALLOCATE( e_utm )
	856	IF ( ALLOCATED( n_utm ) ) DEALLOCATE( n_utm )
	857	IF ( ALLOCATED( z_ag ) ) DEALLOCATE( z_ag )
[3704]	858	IF ( ALLOCATED( z_ag ) ) DEALLOCATE( vmea(l)%dim_t )
[3434]	859	ENDIF
	860	ENDDO
	861	!
	862	!-- Close input file for virtual measurements. Therefore, just call
	863	!-- the read attribute routine with the "close" option.
[3704]	864	CALL netcdf_data_input_att( vmea_general%nvm, char_numstations, &
	865	vmea_general%id_vm, '', &
[3434]	866	global_attribute, 'close', '' )
[3704]	867	!
	868	!-- Sum-up the number of observation coordiates, for atmosphere first.
	869	!-- This is actually only required for data output.
	870	ALLOCATE( ns_all(1:vmea_general%nvm) )
	871	ns_all = 0
	872	#if defined( __parallel )
	873	CALL MPI_ALLREDUCE( vmea(:)%ns, ns_all(:), vmea_general%nvm, MPI_INTEGER, &
	874	MPI_SUM, comm2d, ierr )
	875	#else
	876	ns_all(:) = vmea(:)%ns
	877	#endif
	878	vmea(:)%ns_tot = ns_all(:)
	879	!
	880	!-- Now for soil
	881	ns_all = 0
	882	#if defined( __parallel )
	883	CALL MPI_ALLREDUCE( vmea(:)%ns_soil, ns_all(:), vmea_general%nvm, &
	884	MPI_INTEGER, MPI_SUM, comm2d, ierr )
	885	#else
	886	ns_all(:) = vmea(:)%ns_soil
	887	#endif
	888	vmea(:)%ns_soil_tot = ns_all(:)
	889
	890	DEALLOCATE( ns_all )
[3522]	891	!
	892	!-- Dellocate flag array
	893	DEALLOCATE( meas_flag )
[3704]	894	!
	895	!-- Initialize binary data output of virtual measurements.
	896	!-- Open binary output file.
	897	CALL check_open( 27 )
	898	!
	899	!-- Output header information.
	900	CALL vm_data_output
[3522]	901
[3434]	902	END SUBROUTINE vm_init
	903
	904
	905	!------------------------------------------------------------------------------!
	906	! Description:
	907	! ------------
[3704]	908	!> Binary data output.
	909	!------------------------------------------------------------------------------!
	910	SUBROUTINE vm_data_output
	911
	912	USE pegrid
	913
	914	IMPLICIT NONE
	915
	916	INTEGER(iwp) :: i !< running index over IO blocks
	917	INTEGER(iwp) :: l !< running index over all stations
	918	INTEGER(iwp) :: n !< running index over all measured variables at a station
	919	!
	920	!-- Header output on each PE
	921	IF ( init ) THEN
	922
	923	DO i = 0, io_blocks-1
	924	IF ( i == io_group ) THEN
	925	WRITE ( 27 ) 'number of measurements '
	926	WRITE ( 27 ) vmea_general%nvm
	927
	928	DO l = 1, vmea_general%nvm
	929	WRITE ( 27 ) 'site '
	930	WRITE ( 27 ) vmea(l)%site
	931	WRITE ( 27 ) 'file '
	932	WRITE ( 27 ) vmea(l)%filename_original
	933	WRITE ( 27 ) 'feature_type '
	934	WRITE ( 27 ) vmea(l)%feature_type
	935	WRITE ( 27 ) 'origin_x_obs '
	936	WRITE ( 27 ) vmea(l)%origin_x_obs
	937	WRITE ( 27 ) 'origin_y_obs '
	938	WRITE ( 27 ) vmea(l)%origin_y_obs
	939	WRITE ( 27 ) 'total number of observation points'
	940	WRITE ( 27 ) vmea(l)%ns_tot
	941	WRITE ( 27 ) 'number of measured variables '
	942	WRITE ( 27 ) vmea(l)%nvar
	943	WRITE ( 27 ) 'variables '
	944	WRITE ( 27 ) vmea(l)%measured_vars_name(:)
	945	WRITE ( 27 ) 'number of observation points '
	946	WRITE ( 27 ) vmea(l)%ns
	947	WRITE ( 27 ) 'E_UTM '
	948	WRITE ( 27 ) init_model%origin_x + &
	949	REAL( vmea(l)%i(1:vmea(l)%ns) + 0.5_wp, KIND = wp ) * dx
	950	WRITE ( 27 ) 'N_UTM '
	951	WRITE ( 27 ) init_model%origin_y + &
	952	REAL( vmea(l)%j(1:vmea(l)%ns) + 0.5_wp, KIND = wp ) * dy
	953	WRITE ( 27 ) 'Z_AG '
	954	WRITE ( 27 ) vmea(l)%z_ag(1:vmea(l)%ns)
	955	WRITE ( 27 ) 'soil sampling '
	956	WRITE ( 27 ) MERGE( 'yes ', &
	957	'no ', &
	958	vmea(l)%soil_sampling )
	959
	960	IF ( vmea(l)%soil_sampling ) THEN
	961	WRITE ( 27 ) 'total number of soil points '
	962	WRITE ( 27 ) vmea(l)%ns_soil_tot
	963	print*, "vmea(l)%ns_soil_tot", vmea(l)%ns_soil_tot
	964	WRITE ( 27 ) 'number of soil points '
	965	WRITE ( 27 ) vmea(l)%ns_soil
	966	WRITE ( 27 ) 'E_UTM soil '
	967	WRITE ( 27 ) init_model%origin_x + &
	968	REAL( vmea(l)%i_soil(1:vmea(l)%ns_soil) + 0.5_wp, &
	969	KIND = wp ) * dx
	970	WRITE ( 27 ) 'N_UTM soil '
	971	WRITE ( 27 ) init_model%origin_y + &
	972	REAL( vmea(l)%j_soil(1:vmea(l)%ns_soil) + 0.5_wp, &
	973	KIND = wp ) * dy
	974	WRITE ( 27 ) 'DEPTH '
	975	WRITE ( 27 ) vmea(l)%depth(1:vmea(l)%ns_soil)
	976	ENDIF
	977	ENDDO
	978
	979	ENDIF
	980	ENDDO
	981
	982	#if defined( __parallel )
	983	CALL MPI_BARRIER( comm2d, ierr )
	984	#endif
	985	!
	986	!-- After header information is written, set control flag to .FALSE.
	987	init = .FALSE.
	988	!
	989	!-- Data output at each measurement timestep on each PE
	990	ELSE
	991	DO i = 0, io_blocks-1
	992
	993	IF ( i == io_group ) THEN
	994	WRITE( 27 ) 'output time '
	995	WRITE( 27 ) time_since_reference_point
	996	DO l = 1, vmea_general%nvm
	997	!
	998	!-- Skip binary writing if no observation points are defined on PE
	999	IF ( vmea(l)%ns < 1 .AND. vmea(l)%ns_soil < 1) CYCLE
	1000	DO n = 1, vmea(l)%nvar
	1001	WRITE( 27 ) vmea(l)%measured_vars_name(n)
	1002	IF ( vmea(l)%soil_sampling .AND. &
	1003	ANY( TRIM( vmea(l)%measured_vars_name(n)) == &
	1004	soil_vars ) ) THEN
	1005	WRITE( 27 ) vmea(l)%measured_vars_soil(:,n)
	1006	ELSE
	1007	WRITE( 27 ) vmea(l)%measured_vars(:,n)
	1008	ENDIF
	1009	ENDDO
	1010
	1011	ENDDO
	1012	ENDIF
	1013	ENDDO
	1014	#if defined( __parallel )
	1015	CALL MPI_BARRIER( comm2d, ierr )
	1016	#endif
	1017	ENDIF
	1018
	1019	END SUBROUTINE vm_data_output
	1020
	1021
	1022	!------------------------------------------------------------------------------!
	1023	! Description:
	1024	! ------------
	1025	!> Write end-of-file statement as last action.
	1026	!------------------------------------------------------------------------------!
	1027	SUBROUTINE vm_last_actions
	1028
	1029	USE pegrid
	1030
	1031	IMPLICIT NONE
	1032
	1033	INTEGER(iwp) :: i !< running index over IO blocks
	1034	INTEGER(iwp) :: l !< running index over all stations
	1035	INTEGER(iwp) :: n !< running index over all measured variables at a station
	1036
	1037	DO i = 0, io_blocks-1
	1038	IF ( i == io_group ) THEN
	1039	WRITE( 27 ) 'EOF '
	1040	ENDIF
	1041	ENDDO
	1042	#if defined( __parallel )
	1043	CALL MPI_BARRIER( comm2d, ierr )
	1044	#endif
	1045	!
	1046	!-- Close binary file
	1047	CALL close_file( 27 )
	1048
	1049	END SUBROUTINE vm_last_actions
	1050
	1051	!------------------------------------------------------------------------------!
	1052	! Description:
	1053	! ------------
[3434]	1054	!> Sampling of the actual quantities along the observation coordinates
	1055	!------------------------------------------------------------------------------!
[3471]	1056	SUBROUTINE vm_sampling
[3434]	1057
[3522]	1058	USE arrays_3d, &
	1059	ONLY: exner, pt, q, u, v, w
[3471]	1060
[3522]	1061	USE basic_constants_and_equations_mod, &
	1062	ONLY: pi
[3434]	1063
[3522]	1064	USE radiation_model_mod, &
	1065	ONLY: radiation
	1066
	1067	USE surface_mod, &
	1068	ONLY: surf_def_h, surf_lsm_h, surf_usm_h
	1069
[3434]	1070	IMPLICIT NONE
	1071
[3704]	1072	INTEGER(iwp) :: i !< grid index in x-direction
	1073	INTEGER(iwp) :: j !< grid index in y-direction
	1074	INTEGER(iwp) :: k !< grid index in z-direction
	1075	INTEGER(iwp) :: ind_chem !< dummy index to identify chemistry variable and translate it from (UC)2 standard to interal naming
	1076	INTEGER(iwp) :: l !< running index over the number of stations
	1077	INTEGER(iwp) :: m !< running index over all virtual observation coordinates
	1078	INTEGER(iwp) :: mm !< index of surface element which corresponds to the virtual observation coordinate
	1079	INTEGER(iwp) :: n !< running index over all measured variables at a station
	1080	INTEGER(iwp) :: nn !< running index over the number of chemcal species
	1081
	1082	LOGICAL :: match_lsm !< flag indicating natural-type surface
	1083	LOGICAL :: match_usm !< flag indicating urban-type surface
[3434]	1084	!
[3704]	1085	!-- Loop over all sites.
	1086	DO l = 1, vmea_general%nvm
[3434]	1087	!
[3704]	1088	!-- At the beginning, set _FillValues
	1089	IF ( ALLOCATED( vmea(l)%measured_vars ) ) &
	1090	vmea(l)%measured_vars = vmea(l)%fillout
	1091	IF ( ALLOCATED( vmea(l)%measured_vars_soil ) ) &
	1092	vmea(l)%measured_vars_soil = vmea(l)%fillout
	1093	!
	1094	!-- Loop over all variables measured at this site.
[3522]	1095	DO n = 1, vmea(l)%nvar
	1096
	1097	SELECT CASE ( TRIM( vmea(l)%measured_vars_name(n) ) )
	1098
	1099	CASE ( 'theta' )
	1100	IF ( .NOT. neutral ) THEN
	1101	DO m = 1, vmea(l)%ns
	1102	k = vmea(l)%k(m)
	1103	j = vmea(l)%j(m)
	1104	i = vmea(l)%i(m)
[3704]	1105	vmea(l)%measured_vars(m,n) = pt(k,j,i)
[3522]	1106	ENDDO
	1107	ENDIF
	1108
[3704]	1109	CASE ( 'ta' )
[3522]	1110	IF ( .NOT. neutral ) THEN
	1111	DO m = 1, vmea(l)%ns
	1112	k = vmea(l)%k(m)
	1113	j = vmea(l)%j(m)
	1114	i = vmea(l)%i(m)
[3704]	1115	vmea(l)%measured_vars(m,n) = pt(k,j,i) * exner( k )
[3522]	1116	ENDDO
	1117	ENDIF
[3704]	1118
	1119	CASE ( 't_va' )
[3522]	1120
	1121	CASE ( 'hus', 'haa' )
	1122	IF ( humidity ) THEN
	1123	DO m = 1, vmea(l)%ns
	1124	k = vmea(l)%k(m)
	1125	j = vmea(l)%j(m)
	1126	i = vmea(l)%i(m)
[3704]	1127	vmea(l)%measured_vars(m,n) = q(k,j,i)
[3522]	1128	ENDDO
	1129	ENDIF
	1130
	1131	CASE ( 'u', 'ua' )
	1132	DO m = 1, vmea(l)%ns
	1133	k = vmea(l)%k(m)
	1134	j = vmea(l)%j(m)
	1135	i = vmea(l)%i(m)
[3704]	1136	vmea(l)%measured_vars(m,n) = 0.5_wp * ( u(k,j,i) + u(k,j,i+1) )
[3522]	1137	ENDDO
	1138
	1139	CASE ( 'v', 'va' )
	1140	DO m = 1, vmea(l)%ns
	1141	k = vmea(l)%k(m)
	1142	j = vmea(l)%j(m)
	1143	i = vmea(l)%i(m)
[3704]	1144	vmea(l)%measured_vars(m,n) = 0.5_wp * ( v(k,j,i) + v(k,j+1,i) )
[3522]	1145	ENDDO
	1146
	1147	CASE ( 'w' )
	1148	DO m = 1, vmea(l)%ns
[3704]	1149	k = MAX ( 1, vmea(l)%k(m) )
[3522]	1150	j = vmea(l)%j(m)
	1151	i = vmea(l)%i(m)
[3704]	1152	vmea(l)%measured_vars(m,n) = 0.5_wp * ( w(k,j,i) + w(k-1,j,i) )
[3522]	1153	ENDDO
	1154
	1155	CASE ( 'wspeed' )
	1156	DO m = 1, vmea(l)%ns
	1157	k = vmea(l)%k(m)
	1158	j = vmea(l)%j(m)
	1159	i = vmea(l)%i(m)
[3704]	1160	vmea(l)%measured_vars(m,n) = SQRT( &
[3522]	1161	( 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ) )**2 + &
	1162	( 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) )**2 &
	1163	)
	1164	ENDDO
	1165
	1166	CASE ( 'wdir' )
	1167	DO m = 1, vmea(l)%ns
	1168	k = vmea(l)%k(m)
	1169	j = vmea(l)%j(m)
	1170	i = vmea(l)%i(m)
	1171
[3704]	1172	vmea(l)%measured_vars(m,n) = ATAN2( &
[3522]	1173	- 0.5_wp * ( u(k,j,i) + u(k,j,i+1) ), &
	1174	- 0.5_wp * ( v(k,j,i) + v(k,j+1,i) ) &
	1175	) * 180.0_wp / pi
	1176	ENDDO
[3704]	1177
	1178	CASE ( 'utheta' )
	1179	DO m = 1, vmea(l)%ns
	1180	k = vmea(l)%k(m)
	1181	j = vmea(l)%j(m)
	1182	i = vmea(l)%i(m)
	1183	vmea(l)%measured_vars(m,n) = 0.5_wp * &
	1184	( u(k,j,i) + u(k,j,i+1) ) * &
	1185	pt(k,j,i)
	1186	ENDDO
	1187
	1188	CASE ( 'vtheta' )
	1189	DO m = 1, vmea(l)%ns
	1190	k = vmea(l)%k(m)
	1191	j = vmea(l)%j(m)
	1192	i = vmea(l)%i(m)
	1193	vmea(l)%measured_vars(m,n) = 0.5_wp * &
	1194	( v(k,j,i) + v(k,j+1,i) ) * &
	1195	pt(k,j,i)
	1196	ENDDO
	1197
	1198	CASE ( 'wtheta' )
	1199	DO m = 1, vmea(l)%ns
	1200	k = MAX ( 1, vmea(l)%k(m) )
	1201	j = vmea(l)%j(m)
	1202	i = vmea(l)%i(m)
	1203	vmea(l)%measured_vars(m,n) = 0.5_wp * &
	1204	( w(k-1,j,i) + w(k,j,i) ) * &
	1205	pt(k,j,i)
	1206	ENDDO
	1207
	1208	CASE ( 'uw' )
	1209	DO m = 1, vmea(l)%ns
	1210	k = MAX ( 1, vmea(l)%k(m) )
	1211	j = vmea(l)%j(m)
	1212	i = vmea(l)%i(m)
	1213	vmea(l)%measured_vars(m,n) = 0.25_wp * &
	1214	( w(k-1,j,i) + w(k,j,i) ) * &
	1215	( u(k,j,i) + u(k,j,i+1) )
	1216	ENDDO
	1217
	1218	CASE ( 'vw' )
	1219	DO m = 1, vmea(l)%ns
	1220	k = MAX ( 1, vmea(l)%k(m) )
	1221	j = vmea(l)%j(m)
	1222	i = vmea(l)%i(m)
	1223	vmea(l)%measured_vars(m,n) = 0.25_wp * &
	1224	( w(k-1,j,i) + w(k,j,i) ) * &
	1225	( v(k,j,i) + v(k,j+1,i) )
	1226	ENDDO
	1227
	1228	CASE ( 'uv' )
	1229	DO m = 1, vmea(l)%ns
	1230	k = MAX ( 1, vmea(l)%k(m) )
	1231	j = vmea(l)%j(m)
	1232	i = vmea(l)%i(m)
	1233	vmea(l)%measured_vars(m,n) = 0.25_wp * &
	1234	( u(k,j,i) + u(k,j,i+1) ) * &
	1235	( v(k,j,i) + v(k,j+1,i) )
	1236	ENDDO
[3522]	1237	!
[3704]	1238	!-- List of variables may need extension.
	1239	CASE ( 'mcpm1', 'mcpm2p5', 'mcpm10', 'mfco', 'mfno', 'mfno2', &
	1240	'tro3' )
	1241	IF ( air_chemistry ) THEN
	1242	!
	1243	!-- First, search for the measured variable in the chem_vars
	1244	!-- list, in order to get the internal name of the variable.
	1245	DO nn = 1, UBOUND( chem_vars, 2 )
	1246	IF ( TRIM( vmea(l)%measured_vars_name(m) ) == &
	1247	TRIM( chem_vars(0,nn) ) ) ind_chem = nn
	1248	ENDDO
	1249	!
	1250	!-- Run loop over all chemical species, if the measured
	1251	!-- variable matches the interal name, sample the variable.
[3522]	1252	DO nn = 1, nspec
[3704]	1253	IF ( TRIM( chem_vars(1,ind_chem) ) == &
[3522]	1254	TRIM( chem_species(nn)%name ) ) THEN
	1255	DO m = 1, vmea(l)%ns
	1256	k = vmea(l)%k(m)
	1257	j = vmea(l)%j(m)
	1258	i = vmea(l)%i(m)
[3704]	1259	vmea(l)%measured_vars(m,n) = &
[3522]	1260	chem_species(nn)%conc(k,j,i)
	1261	ENDDO
	1262	ENDIF
	1263	ENDDO
	1264	ENDIF
	1265
	1266	CASE ( 'us' )
	1267	DO m = 1, vmea(l)%ns
	1268	!
	1269	!-- Surface data is only available on inner subdomains, not
	1270	!-- on ghost points. Hence, limit the indices.
	1271	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1272	j = MERGE( j , nyn, j > nyn )
	1273	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1274	i = MERGE( i , nxr, i > nxr )
	1275
	1276	DO mm = surf_def_h(0)%start_index(j,i), &
	1277	surf_def_h(0)%end_index(j,i)
[3704]	1278	vmea(l)%measured_vars(m,n) = surf_def_h(0)%us(mm)
[3522]	1279	ENDDO
	1280	DO mm = surf_lsm_h%start_index(j,i), &
	1281	surf_lsm_h%end_index(j,i)
[3704]	1282	vmea(l)%measured_vars(m,n) = surf_lsm_h%us(mm)
[3522]	1283	ENDDO
	1284	DO mm = surf_usm_h%start_index(j,i), &
	1285	surf_usm_h%end_index(j,i)
[3704]	1286	vmea(l)%measured_vars(m,n) = surf_usm_h%us(mm)
[3522]	1287	ENDDO
	1288	ENDDO
	1289
	1290	CASE ( 'ts' )
	1291	DO m = 1, vmea(l)%ns
	1292	!
	1293	!-- Surface data is only available on inner subdomains, not
	1294	!-- on ghost points. Hence, limit the indices.
	1295	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1296	j = MERGE( j , nyn, j > nyn )
	1297	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1298	i = MERGE( i , nxr, i > nxr )
	1299
	1300	DO mm = surf_def_h(0)%start_index(j,i), &
	1301	surf_def_h(0)%end_index(j,i)
[3704]	1302	vmea(l)%measured_vars(m,n) = surf_def_h(0)%ts(mm)
[3522]	1303	ENDDO
	1304	DO mm = surf_lsm_h%start_index(j,i), &
	1305	surf_lsm_h%end_index(j,i)
[3704]	1306	vmea(l)%measured_vars(m,n) = surf_lsm_h%ts(mm)
[3522]	1307	ENDDO
	1308	DO mm = surf_usm_h%start_index(j,i), &
	1309	surf_usm_h%end_index(j,i)
[3704]	1310	vmea(l)%measured_vars(m,n) = surf_usm_h%ts(mm)
[3522]	1311	ENDDO
	1312	ENDDO
	1313
	1314	CASE ( 'hfls' )
	1315	DO m = 1, vmea(l)%ns
	1316	!
	1317	!-- Surface data is only available on inner subdomains, not
	1318	!-- on ghost points. Hence, limit the indices.
	1319	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1320	j = MERGE( j , nyn, j > nyn )
	1321	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1322	i = MERGE( i , nxr, i > nxr )
	1323
	1324	DO mm = surf_def_h(0)%start_index(j,i), &
	1325	surf_def_h(0)%end_index(j,i)
[3704]	1326	vmea(l)%measured_vars(m,n) = surf_def_h(0)%qsws(mm)
[3522]	1327	ENDDO
	1328	DO mm = surf_lsm_h%start_index(j,i), &
	1329	surf_lsm_h%end_index(j,i)
[3704]	1330	vmea(l)%measured_vars(m,n) = surf_lsm_h%qsws(mm)
[3522]	1331	ENDDO
	1332	DO mm = surf_usm_h%start_index(j,i), &
	1333	surf_usm_h%end_index(j,i)
[3704]	1334	vmea(l)%measured_vars(m,n) = surf_usm_h%qsws(mm)
[3522]	1335	ENDDO
	1336	ENDDO
	1337
	1338	CASE ( 'hfss' )
	1339	DO m = 1, vmea(l)%ns
	1340	!
	1341	!-- Surface data is only available on inner subdomains, not
	1342	!-- on ghost points. Hence, limit the indices.
	1343	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1344	j = MERGE( j , nyn, j > nyn )
	1345	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1346	i = MERGE( i , nxr, i > nxr )
	1347
	1348	DO mm = surf_def_h(0)%start_index(j,i), &
	1349	surf_def_h(0)%end_index(j,i)
[3704]	1350	vmea(l)%measured_vars(m,n) = surf_def_h(0)%shf(mm)
[3522]	1351	ENDDO
	1352	DO mm = surf_lsm_h%start_index(j,i), &
	1353	surf_lsm_h%end_index(j,i)
[3704]	1354	vmea(l)%measured_vars(m,n) = surf_lsm_h%shf(mm)
[3522]	1355	ENDDO
	1356	DO mm = surf_usm_h%start_index(j,i), &
	1357	surf_usm_h%end_index(j,i)
[3704]	1358	vmea(l)%measured_vars(m,n) = surf_usm_h%shf(mm)
[3522]	1359	ENDDO
	1360	ENDDO
	1361
	1362	CASE ( 'rnds' )
	1363	IF ( radiation ) THEN
	1364	DO m = 1, vmea(l)%ns
	1365	!
	1366	!-- Surface data is only available on inner subdomains, not
	1367	!-- on ghost points. Hence, limit the indices.
	1368	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1369	j = MERGE( j , nyn, j > nyn )
	1370	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1371	i = MERGE( i , nxr, i > nxr )
	1372
	1373	DO mm = surf_lsm_h%start_index(j,i), &
	1374	surf_lsm_h%end_index(j,i)
[3704]	1375	vmea(l)%measured_vars(m,n) = surf_lsm_h%rad_net(mm)
[3522]	1376	ENDDO
	1377	DO mm = surf_usm_h%start_index(j,i), &
	1378	surf_usm_h%end_index(j,i)
[3704]	1379	vmea(l)%measured_vars(m,n) = surf_usm_h%rad_net(mm)
[3522]	1380	ENDDO
	1381	ENDDO
	1382	ENDIF
	1383
[3704]	1384	CASE ( 'rsus' )
[3522]	1385	IF ( radiation ) THEN
	1386	DO m = 1, vmea(l)%ns
	1387	!
	1388	!-- Surface data is only available on inner subdomains, not
	1389	!-- on ghost points. Hence, limit the indices.
	1390	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1391	j = MERGE( j , nyn, j > nyn )
	1392	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1393	i = MERGE( i , nxr, i > nxr )
	1394
	1395	DO mm = surf_lsm_h%start_index(j,i), &
	1396	surf_lsm_h%end_index(j,i)
[3704]	1397	vmea(l)%measured_vars(m,n) = surf_lsm_h%rad_sw_out(mm)
[3522]	1398	ENDDO
	1399	DO mm = surf_usm_h%start_index(j,i), &
	1400	surf_usm_h%end_index(j,i)
[3704]	1401	vmea(l)%measured_vars(m,n) = surf_usm_h%rad_sw_out(mm)
[3522]	1402	ENDDO
	1403	ENDDO
	1404	ENDIF
	1405
[3704]	1406	CASE ( 'rsds' )
[3522]	1407	IF ( radiation ) THEN
	1408	DO m = 1, vmea(l)%ns
	1409	!
	1410	!-- Surface data is only available on inner subdomains, not
	1411	!-- on ghost points. Hence, limit the indices.
	1412	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1413	j = MERGE( j , nyn, j > nyn )
	1414	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1415	i = MERGE( i , nxr, i > nxr )
	1416
	1417	DO mm = surf_lsm_h%start_index(j,i), &
	1418	surf_lsm_h%end_index(j,i)
[3704]	1419	vmea(l)%measured_vars(m,n) = surf_lsm_h%rad_sw_in(mm)
[3522]	1420	ENDDO
	1421	DO mm = surf_usm_h%start_index(j,i), &
	1422	surf_usm_h%end_index(j,i)
[3704]	1423	vmea(l)%measured_vars(m,n) = surf_usm_h%rad_sw_in(mm)
[3522]	1424	ENDDO
	1425	ENDDO
	1426	ENDIF
	1427
[3704]	1428	CASE ( 'rlus' )
[3522]	1429	IF ( radiation ) THEN
	1430	DO m = 1, vmea(l)%ns
	1431	!
	1432	!-- Surface data is only available on inner subdomains, not
	1433	!-- on ghost points. Hence, limit the indices.
	1434	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1435	j = MERGE( j , nyn, j > nyn )
	1436	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1437	i = MERGE( i , nxr, i > nxr )
	1438
	1439	DO mm = surf_lsm_h%start_index(j,i), &
	1440	surf_lsm_h%end_index(j,i)
[3704]	1441	vmea(l)%measured_vars(m,n) = surf_lsm_h%rad_lw_out(mm)
[3522]	1442	ENDDO
	1443	DO mm = surf_usm_h%start_index(j,i), &
	1444	surf_usm_h%end_index(j,i)
[3704]	1445	vmea(l)%measured_vars(m,n) = surf_usm_h%rad_lw_out(mm)
[3522]	1446	ENDDO
	1447	ENDDO
	1448	ENDIF
	1449
[3704]	1450	CASE ( 'rlds' )
[3522]	1451	IF ( radiation ) THEN
	1452	DO m = 1, vmea(l)%ns
	1453	!
	1454	!-- Surface data is only available on inner subdomains, not
	1455	!-- on ghost points. Hence, limit the indices.
	1456	j = MERGE( vmea(l)%j(m), nys, vmea(l)%j(m) < nys )
	1457	j = MERGE( j , nyn, j > nyn )
	1458	i = MERGE( vmea(l)%i(m), nxl, vmea(l)%i(m) < nxl )
	1459	i = MERGE( i , nxr, i > nxr )
	1460
	1461	DO mm = surf_lsm_h%start_index(j,i), &
	1462	surf_lsm_h%end_index(j,i)
[3704]	1463	vmea(l)%measured_vars(m,n) = surf_lsm_h%rad_lw_in(mm)
[3522]	1464	ENDDO
	1465	DO mm = surf_usm_h%start_index(j,i), &
	1466	surf_usm_h%end_index(j,i)
[3704]	1467	vmea(l)%measured_vars(m,n) = surf_usm_h%rad_lw_in(mm)
[3522]	1468	ENDDO
	1469	ENDDO
	1470	ENDIF
[3704]	1471
	1472	CASE ( 'rsd' )
	1473	IF ( radiation ) THEN
	1474	DO m = 1, vmea(l)%ns
	1475	k = MERGE( 0, vmea(l)%k(m), radiation_scheme /= 'rrtmg' )
	1476	j = vmea(l)%j(m)
	1477	i = vmea(l)%i(m)
	1478
	1479	vmea(l)%measured_vars(m,n) = rad_sw_in(k,j,i)
	1480	ENDDO
	1481	ENDIF
	1482
	1483	CASE ( 'rsu' )
	1484	IF ( radiation ) THEN
	1485	DO m = 1, vmea(l)%ns
	1486	k = MERGE( 0, vmea(l)%k(m), radiation_scheme /= 'rrtmg' )
	1487	j = vmea(l)%j(m)
	1488	i = vmea(l)%i(m)
	1489
	1490	vmea(l)%measured_vars(m,n) = rad_sw_out(k,j,i)
	1491	ENDDO
	1492	ENDIF
	1493
	1494	CASE ( 'rlu' )
	1495	IF ( radiation ) THEN
	1496	DO m = 1, vmea(l)%ns
	1497	k = MERGE( 0, vmea(l)%k(m), radiation_scheme /= 'rrtmg' )
	1498	j = vmea(l)%j(m)
	1499	i = vmea(l)%i(m)
	1500
	1501	vmea(l)%measured_vars(m,n) = rad_lw_out(k,j,i)
	1502	ENDDO
	1503	ENDIF
	1504
	1505	CASE ( 'rld' )
	1506	IF ( radiation ) THEN
	1507	DO m = 1, vmea(l)%ns
	1508	k = MERGE( 0, vmea(l)%k(m), radiation_scheme /= 'rrtmg' )
	1509	j = vmea(l)%j(m)
	1510	i = vmea(l)%i(m)
	1511
	1512	vmea(l)%measured_vars(m,n) = rad_lw_in(k,j,i)
	1513	ENDDO
	1514	ENDIF
	1515
	1516	CASE ( 'rsddif' )
	1517	IF ( radiation ) THEN
	1518	DO m = 1, vmea(l)%ns
	1519	j = vmea(l)%j(m)
	1520	i = vmea(l)%i(m)
	1521
	1522	vmea(l)%measured_vars(m,n) = rad_sw_in_diff(j,i)
	1523	ENDDO
	1524	ENDIF
	1525
	1526	CASE ( 't_soil' )
	1527	DO m = 1, vmea(l)%ns_soil
	1528	i = vmea(l)%i_soil(m)
	1529	j = vmea(l)%j_soil(m)
	1530	k = vmea(l)%k_soil(m)
	1531
	1532	match_lsm = surf_lsm_h%start_index(j,i) <= &
	1533	surf_lsm_h%end_index(j,i)
	1534	match_usm = surf_usm_h%start_index(j,i) <= &
	1535	surf_usm_h%end_index(j,i)
	1536
	1537	IF ( match_lsm ) THEN
	1538	mm = surf_lsm_h%start_index(j,i)
	1539	vmea(l)%measured_vars_soil(m,n) = t_soil_h%var_2d(k,mm)
	1540	ENDIF
	1541
	1542	IF ( match_usm ) THEN
	1543	mm = surf_usm_h%start_index(j,i)
	1544	vmea(l)%measured_vars_soil(m,n) = t_wall_h(k,mm)
	1545	ENDIF
	1546	ENDDO
	1547
	1548	CASE ( 'm_soil' )
	1549	DO m = 1, vmea(l)%ns_soil
	1550	i = vmea(l)%i_soil(m)
	1551	j = vmea(l)%j_soil(m)
	1552	k = vmea(l)%k_soil(m)
	1553
	1554	match_lsm = surf_lsm_h%start_index(j,i) <= &
	1555	surf_lsm_h%end_index(j,i)
	1556
	1557	IF ( match_lsm ) THEN
	1558	mm = surf_lsm_h%start_index(j,i)
	1559	vmea(l)%measured_vars_soil(m,n) = m_soil_h%var_2d(k,mm)
	1560	ENDIF
	1561
	1562	ENDDO
[3522]	1563	!
	1564	!-- More will follow ...
[3704]	1565
	1566	!
	1567	!-- No match found - just set a fill value
	1568	CASE DEFAULT
	1569	vmea(l)%measured_vars(:,n) = vmea(l)%fillout
[3522]	1570	END SELECT
	1571
[3494]	1572	ENDDO
[3434]	1573
	1574	ENDDO
[3704]	1575
[3471]	1576	END SUBROUTINE vm_sampling
[3434]	1577
	1578
[3471]	1579	END MODULE virtual_measurement_mod

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