Initialization
parameters
(class = I),
run parameters (R), package parameters (P) as well as userdefined
parameters (U) are alphabetically listed in the following table.
Parameter name 
Class 
Type 
Default

Explanation 
I 
L 
.F. 
Nearsurface adjustment of the mixing length to the Prandtllayer law. 

I 
R 
0.0 
Inclination of the model domain with respect to the horizontal (in degrees). 

averaging_interval  R  R  0.0  Averaging interval for all output of temporally averaged data (in s). 
R 
R 
value of averaging_ interval 
Averaging interval for vertical profiles output to local file DATA_1D_PR_NETCDF and/or PLOT1D_DATA (in s).  
P 
R 
value of averaging_ interval 
Averaging interval for spectra output to local file DATA_1D_SP_NETCDF and/or PLOTSP_X_DATA / PLOTSP_Y_DATA (in s).  
I 
C * 20 
'neumann' 
Bottom boundary condition of the
TKE. 

bc_lr  I 
C * 20 
´cyclic´ 
Boundary condition along x (for all quantities). 
bc_ns  I 
C * 20  'cyclic'  Boundary condition along y (for all quantities). 
I 
C * 20 
'neumann' 
Bottom boundary condition of the
perturbation pressure. 

I 
C * 20 
'dirichlet' 
Top boundary condition of the
perturbation pressure. 

bc_par_b  P 
C*15  ´reflect´ 
Bottom boundary condition for particle transport. 
bc_par_lr  P 
C*15  ´cyclic´  Lateral boundary condition (xdirection) for particle transport. 
bc_par_ns  P 
C*15  ´cyclic´  Lateral boundary condition (ydirection) for particle transport. 
bc_par_t  P 
C*15  ´absorb´  Top boundary condition for particle transport. 
I 
C * 20 
'dirichlet' 
Bottom boundary condition of the
potential temperature. 

I 
C * 20 
'initial_gradient' 
Top boundary condition of the
potential temperature. 

I 
C * 20 
'dirichlet' 
Bottom boundary condition of the
specific humidity / total water content. 

I 
C * 20 
'neumann' 
Top boundary condition of the
specific humidity / total water content. 

I 
C * 20 
'dirichlet' 
Bottom boundary condition of the
scalar concentration. 

I 
C * 20 
´neumann´ 
Top boundary condition of the
scalar concentration. 

bc_sa_t  I  C * 20  'neumann'  Top boundary condition of the salinity. 
I 
C * 20 
'dirichlet' 
Bottom boundary condition of the horizontal wind components u and v. 

I 
C * 20 
'dirichlet' 
Top boundary condition of the horizontal velocity components u and v. 

bottom_salinityflux  I  R  0.0  Kinematic salinity flux near the surface (in psu m/s). 
building_height  I  R  50.0  Height of a single building in m. 
building_length_x  I  R  50.0  Width of a single building in m. 
building_length_y  I  R  50.0  Depth of a single building in m. 
building_wall_left  I  R  building centered in xdirection  xcoordinate of the left building wall in m. 
building_wall_south  I  R  building centered in ydirection  ycoordinate of the South building wall in m. 
call_psolver_at_all_substeps  R 
L 
.T.. 
Switch to steer the call of the pressure solver. 
canopy_mode  I  C * 20  'block'  Canopy mode 
cfl_factor  R  R  0.1, 0.8 or 0.9 (see parameter description)  Time step limiting factor. 
cloud_droplets 
I 
L 
.F. 
Parameter to switch on usage of cloud droplets. 
I 
L 
.F. 
Parameter
to switch on the condensation scheme. 

P 
I (10) 
no level 
Vertical level for which horizontal spectra are to be calculated and output (gridpoints). 

conserve_volume_flow  I  L  .F.  Conservation of volume flow in x and ydirection. 
R 
L 
.T. 
Switch
to impose random perturbations to the horizontal
velocity field. 

R 
C * 10 (100) 
100 * ' ' 
Type of normalization applied to the xcoordinate of vertical profiles to be plotted with profil. 

R 
C
* 10 
100 * ' ' 
Type of normalization applied to the ycoordinate of
vertical
profiles to be plotted with profil.


R 
C * 100 (100) 
see parameter description 
Determines
which vertical profiles are to be presented
in
which coordinate system if the plot software profil is
used. 

R 
C
* 40 
see parameter description 
xaxis
labels of vertical profile coordinate systems to
be
plotted with profil.


cthf  R  R  0.0  Average heat flux that is prescribed at the top of the plant canopy (in K m/s). 
I 
L 
.T. 
Cut off of socalled overshoots, which can occur with the upstreamsplinescheme. 

R 
C * 1 
'w' 
Type of cycle to be used with the multigrid method.  
I 
R 
zu(nz+1) 
Height
where the damping layer begins in the 1dmodel
(in m). 

data_output  R  C * 10 (100)  100 * ´ ´  Quantities for which 2d cross section and/or 3d volume data are to be output. 
data_output_format  R  C * 10 (10)  'netcdf'  Format of output data. 
data_output_pr  R  C * 10 (100)  100 * ' '  Quantities for which vertical profiles (horizontally averaged) are to be output. 
data_output_pr_user  U  C * 10 (200) 
200 * ' '  User defined quantities for which horizontally averaged profile data is to be output. 
data_output_sp  P  C * 10 (10)  10 * ' '  Quantities for which horizontal spectra are to be calculated and output. 
data_output_user  U  C * 10 (100)  100 * ' '  User defined quantities for which 2d cross section and/or 3d volume data are to be output. 
data_output_2d_on_each_pe  R  L  .T.  Output 2d cross section data by one or all processors. 
P 
R (10) 
0.0, 9 * 9999999.9 
Ratio of the density of the fluid and the density of the particles. 

dissipation_1d  I  C * 20  'as_in_3d_model'  Calculation method for the energy dissipation term in the TKE equation of the 1dmodel. 
R 
R 
0.25 
Maximum
perturbation amplitude of the random
perturbations
imposed to the horizontal velocity field (in m/s). 

R 
R 
0.01 
Upper limit value of the perturbation energy of the velocity field used as a criterion for imposing random perturbations (in m^{2}/s^{2}). 

R 
R 
zu(3) or zu(nz*2/3) 
Lower limit of the vertical range for which random perturbations are to be imposed on the horizontal wind field (in m). 

R 
R 
zu(nz/3) or zu(nzt3) 
Upper
limit of the vertical range for which random perturbations are to be
imposed on the horizontal wind field (in m). 

do2d_at_begin  R  L  .F.  Output 2d cross section data by one or all processors. 
do3d_at_begin  R  L  .F.  Output of 3d volume data at the beginning of a run. 
do3d_compress  R  L  .F.  Output of data for 3d plots in compressed form. 
do3d_precision  R  C * 7 (100)  see parameter description  Significant digits in case of compressed data output. 
drag_coefficient  I  R  0.0  Drag coefficient used in the plant canopy model. 
I/R 
R 
variable 
Time
step for the 3dmodel (in s). 

dt_averaging_input  R  R  0.0  Temporal interval of data which are subject to temporal averaging (in s). 
R 
R 
value of dt_ averaging_ input 
Temporal interval of data which are subject to temporal averaging of vertical profiles and/or spectra (in s).  
dt_coupling  R  R  9999999.9  Temporal interval for the data exchange in case of runs with coupled models (e.g. atmosphere  ocean) (in s). 
dt_data_output  R  R  9999999.9 
Temporal interval at which data (3d volume data (instantaneous or time averaged), cross sections (instantaneous or time averaged), vertical profiles, spectra) shall be output (in s). 
dt_data_output_av  R  R  value
of dt_data_ output 
Temporal interval at which time averaged 3d volume data and/or 2d cross section data shall be output (in s). 
R 
R 
9999999.9 
Temporal interval at
which random
perturbations are to be imposed on the horizontal velocity field
(in s). 

dt_dopr  R  R  value
of dt_data_ output 
Temporal interval at which data of vertical profiles shall be output (to local file DATA_1D_PR_NETCDF or/and PLOT1D_DATA) (in s). 
dt_dopr_listing  R  R  9999999.9 
Temporal interval at which data of vertical profiles shall be output (output for printouts, local file LIST_PROFIL) (in s). 
dt_dopts  P  R  value
of dt_data_ output 
Temporal interval at which time series data of particle quantities shall be output (in s). 
P 
R 
value
of dt_data_ output 
Temporal interval at which spectra data shall be output (in s).  
R 
R 
see parameter description 
Temporal interval at
which time series data shall be output (in s). 

R 
R 
value
of dt_data_ output 
Temporal interval at
which horizontal cross section data shall be output (in s). 

R 
R 
value
of dt_data_ output 
Temporal interval at
which vertical cross section data (xz) shall be output (in
s). 

R 
R 
value
of dt_data_ output 
Temporal interval at which vertical cross section data (yz) shall be output (in s). 

R 
R 
value
of dt_data_ output 
Temporal interval at
which 3d volume data shall be output (in s). 

dt_dvrp  P  R  9999999.9  Temporal interval of scenes to be displayed with the dvrp software (in s). 
dt_max  R  R  20.0  Maximum allowed value of the timestep (in s). 
dt_min_part  P  R  0.0002  Minimum value for the particle timestep when SGS velocities are used (in s). 
P 
R 
9999999.9 
Temporal interval at which particles are to be released from a particle source (in s). 

I 
R 
9999999.9 
Temporal interval of vertical profile output of the 1Dmodel (in s). 

dt_restart  R 
R 
9999999.9 
Temporal interval at which a new restart run is to be carried out (in s). 
R 
R 
60.0 
Temporal interval at
which run control
output is to be made (in s).


I 
R 
60.0 
Temporal interval of runtime control output of the 1dmodel (in s). 

dt_sort_particles  P  R  0.0  Temporal interval for sorting particles (in s). 
dt_write_particle_data  P 
R 
9999999.9  Temporal interval for output of particle data (in s). 
P 
C * 80 
'default' 
Name of the directory into which data created by the dvrp
software shall be saved. 

P 
C * 80 
'default' 
Name of the file into which data created by the dvrp software shall be output. 

P 
C * 80 
'origin.rvs. 
Name
of the computer to which data created by the dvrp software shall
be
transferred. 

P 
C * 10 
'rtsp' 
Output mode for the dvrp software. 

P 
C * 80 
'********' 
Password for the computer to which data created by the dvrp software is to be transferred.  
P 
R 
0.2 * dx 
Diameter
that the particles is given in visualizations
with
the dvrp
software (in
m). 

P 
C * 80 
no default value 
User
name of a valid account on the computer to which
data
created by the dvrp
software
is to be
transferred. 

I 
R 
1.0 
Horizontal
grid spacing along the xdirection (in m). 

I 
R 
1.0 
Horizontal
grid spacing along the ydirection (in m). 

I 
R 
no default, see parameter description 
Vertical grid spacing (in m). 

dz_max  I  R  9999999.9  Allowed
maximum vertical grid spacing (in m). 
I 
R 
1.08 
Stretch factor for a vertically stretched grid (see dz_stretch_level). 

I 
R 
100000.0 
Height
level above/below which the grid is to be stretched
vertically (in m). 

e_init  I  R  0.0  Initial TKE in m^{2}s^{2}. 
e_min  I  R  0.0  Minimum TKE in m^{2}s^{2}. 
R 
R 
0.0 
Simulation time of the 3D model (in s). 

end_time_prel  P  R  9999999.9  Time of the last release of particles (in s). 
I 
R 
864000.0 
Time to be simulated for the 1Dmodel (in s). 

I 
C * 20 
'system specific' 
FFTmethod to be used. 

R 
L 
.F. 
Steering of header output to the local file RUN_CONTROL. 

I 
L 
.F. 
Application of a Galileitransformation to the coordinate system of the model. 

I 
C * 6 
'match' 
Variable to adjust the subdomain sizes in parallel runs. 

humidity  I  L  .F.  Parameter to switch on the prognostic equation for specific humidity q. 
inflow_disturbance_begin  I 
I 
MIN(10, nx/2 or ny/2) 
Lower limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints). 
inflow_disturbance_end  I 
I 
MIN(100, 3/4*nx or 3/4*ny) 
Upper limit of the horizontal range for which random perturbations are to be imposed on the horizontal velocity field (gridpoints). 
I 
C * 100 
no default, see parameter description 
Initialization
actions
to be carried out. 

initial_weighting_factor 
P 
R 
1.0 
Factor to define the real number of initial droplets in a grid cell. 
I 
R 
variable (computed from TKE) 
Constant eddy diffusivities are used (laminar simulations). 

km_damp_max  I 
R 
0.5*(dx or dy)  Maximum diffusivity used for filtering the velocity field in the vicinity of the outflow (in m^{2}/s). 
lad_surface  I  R  0.0  Surface value of the leaf area density (in m^{2}/m^{3}) 
lad_vertical_gradient  I  R (10)  10 * 0.0  Gradient(s) of the leaf area density (in m^{2}/m^{4}) 
lad_vertical_gradient_level  I  R (10)  10 * 0.0  Height level from which on the gradient of the leaf area density defined by lad_vertical_gradient_level is effective (in m). 
leaf_surface_concentration  R  R  0.0  Concentration of a passive scalar at the surface of a leaf (in kg/m^{3}). 
I 
R 
0.0 
Filter factor for the socalled Longfilter. 

loop_optimization  I  C * 16  see parameter description  Method used to optimize loops for solving the prognostic equations . 
P 
I 
1000 
Maximum
number of particles (on a PE). 

P 
I 
100 
Maximum
number of tailpoints that a particle tail can
have. 

P 
R 
100000.0 
Maximum
age that the end point of a particle tail is allowed to have (in s). 

mg_cycles  R  I   1  Number of cycles to be used with the multigrid scheme. 
mg_switch_to_pe0_level  R  I  see parameter description  Grid level at which data shall be gathered on PE0. 
P 
R 
0.0 
Minimum
distance allowed between two adjacent points of
a
particle tail (in m). 

mixing_length_1d  I  C * 20  'as_in_3d_model'  Mixing length used in the 1dmodel. 
P 
C * 20 (10) 
10 * ' ' 
Graphical objects (isosurfaces, slicers, particles)
which are
to be created by the dvrp
software. 

I 
C * 10 
'pwscheme' 
Advection scheme to be used for the momentum equations. 

netcdf_precision  I  C * 20 (10)  single precision for all output quantities 
Defines
the accuracy of the NetCDF output. 
netcdf_64bit  R  L  .F.  All NetCDF files  except those containing 3d volume data  will have 64 bit offset format. 
netcdf_64bit_3d  R  L  .T.  NetCDF files containing 3d volume data will have 64 bit offset format. 
R 
I 
2 
Grid level at which data shall be gathered on PE0. 

R 
I 
0 
Determines
the subdomain from which the normalization
quantities are calculated. 

I 
I 
no default, see parameter description 
Number
of processors along xdirection of the virtual
processor
net. 

I 
I 
no default, see parameter description 
Number
of processors along ydirection of the virtual
processor
net. 

R 
I 
20 
Number
of iterations to be used with the SORscheme. 

I 
I 
100 
Initial number of iterations with the SOR algorithm 

number_of_particle_groups  P  I  1  Number of particle groups to be used. 
I 
I 
no default, see parameter description 
Number
of grid points in xdirection. 

I 
I 
no default, see parameter description 
Number of grid points in ydirection. 

I 
I 
no default, see parameter description 
Number of grid points in zdirection. 

R 
I 
nz+1 
Limits the output of 3d volume data along the vertical direction (grid point index k).  
ocean  I  L  .F.  Parameter to switch on ocean runs. 
I 
R 
7.29212E5 
Angular velocity of the rotating system (in rad s^{1}). 

R 
R 
1.8 
Convergence
factor to be used with the the SORscheme. 

outflow_damping_width  I 
I 
MIN(20, nx/2 or ny/2)  Width of the damping range in the vicinity of the outflow (gridpoints). 
I 
R 
0.0 
Allowed limit for the overshooting of subgridscale TKE in case that the upstreamspline scheme is switched on (in m^{2}/s^{2}). 

I 
R 
0.0 
Allowed
limit for the overshooting of potential
temperature in
case that the upstreamspline scheme is switched on (in K). 

I 
R 
0.0 
Allowed limit for the overshooting of the ucomponent of velocity in case that the upstreamspline scheme is switched on (in m/s). 

I 
R 
0.0 
Allowed
limit for the overshooting of the vcomponent of
velocity in case that the upstreamspline scheme is switched on
(in m/s). 

I 
R 
0.0 
Allowed
limit for the overshooting of the wcomponent of
velocity in case that the upstreamspline scheme is switched on
(in m/s). 

particles_per_point  P  I  1  Number of particles to be started per point. 
particle_advection_start  P 
R 
0.0 
Time of the first release of particles (in s). 
P 
R 
9999999.9 
Maximum
allowed age of particles (in s). 

I 
L 
.F. 
Parameter to switch on the prognostic equation for a passive scalar. 

pch_index  I  I  0 
Grid point index (scalar) of the upper boundary of the plant canopy layer 
P 
R (10) 
10 * dx 
Distance
along x between particles within a particle
source
(in m). 

P 
R (10) 
10 * dy 
Distance
along y between
particles within a
particle source (in m). 

P 
R (10) 
10 * ( zu(2)  zu(1) ) 
Distance along z between particles within a particle source (in m). 

I 
R 
55.0 
Geographical
latitude (in degrees). 

plant_canopy  I  L  .F.  Parameter to switch on the plant canopy model 
P 
I (10) 
No level 
Vertical level(s) for which horizontal spectra are to be
plotted (in gridpoints). 

I 
L 
.T. 
Parameter
to switch on a Prandtl layer. 

R 
R 
1.0 
Ratio
of the eddy diffusivities for momentum and heat (K_{m}/K_{h}).


precipitation  I 
L 
.F.  Parameter to switch on the precipitation scheme. 
precipitation_amount_ interval 
R  R  value
of dt_do2d_ xy 
Temporal interval for which the precipitation amount (in mm) shall be calculated and output (in s). 
R 
I 
3 
Number
of coordinate systems to be plotted
in one row by profil.


R 
I 
2 
Number
of rows of coordinate systems to be plotted on
one page
by profil. 

P 
R (10) 
10 * zu(nz/2) 
Bottom edge of a particle source (in m). 

P 
R (10) 
10 * 0.0 
Left edge of a particle source (in m). 

P 
R (10) 
10 * ( ny * dy ) 
Rear (“north”) edge of a particle source (in m). 

R 
C * 10 
'poisfft' 
Scheme to be used to solve the Poisson equation for the
perturbation pressure. 

P 
R (10) 
10 * ( nx * dx ) 
Right edge of a particle source (in m). 

P 
R (10) 
10 * 0.0 
Front (“south”) edge of a particle source (in m). 

P 
R (10) 
10 * zu(nz/2) 
Top edge of a particle source (in m). 

pt_reference  I  R  use horizontal average as reference  Reference temperature to be used in all buoyancy terms (in K). 
I 
R 
300.0 
Surface
potential temperature (in K). 

I 
R 
0.0 
Change in surface temperature to be made at the beginning of the 3d run (in K).  
I 
R (10) 
10 * 0.0 
Temperature gradient(s) of the initial temperature
profile (in
K
/ 100 m). 

I 
R (10) 
10 * 0.0 
Height level from which on the temperature gradient defined by pt_vertical_gradient is effective (in m). 

I 
R 
0.0 
Surface
specific humidity / total water content (kg/kg). 

I 
R 
0.0 
Change
in surface specific humidity / total water
content to
be made at the beginning
of the 3d run (kg/kg). 

I 
R (10) 
10 * 0.0 
Humidity gradient(s) of the initial humidity profile (in 1/100 m). 

I 
R (10) 
10 * 0.0 
Height level from which on the humidity gradient defined by q_vertical_gradient is effective (in m). 

I 
L 
.F. 
Parameter
to switch on longwave radiation cooling at
cloudtops. 

radius  P  R (10)  0.0,
9* 9999999.9 
Particle radius (in m). 
I 
C * 20 
'numerical recipes' 
Random number generator to be used for creating uniformly distributed random numbers. 

I 
L 
.F. 
Parameter to impose random perturbations on the internal twodimensional near surface heat flux field shf. 

P 
L 
.F. 
Initial position of the particles is varied randomly within certain limits. 

R 
R 
0.0 and/or 0.01 (see parameter description) 
Factor for Rayleigh damping. 

R 
R 
2/3 * zu(nz) 
Height where the Rayleigh damping starts (in m). 

P 
L 
.T. 
Read
particle data from the previous run. 

U 
C * 40 (0:9) 

Name(s) of the subdomain(s) defined by the user. 

R 
R 
1.0E6 
Largest
residual permitted for the multigrid scheme (in
s^{2}m^{3}). 

restart_time  R 
R 
9999999.9 
Simulated time after which a restart run is to be carried out (in s). 
I 
R 
1.0 
Upper
limit of the fluxRichardson number. 

I 
R 
 5.0 
Lower
limit of the fluxRichardson number. 

I 
R 
0.1 
Roughness
length (in m). 

sa_surface  I  R  35.0  Surface salinity (in psu). 
sa_vertical_gradient  I  R(10)  10 * 0.0  Salinity gradient(s) of the initial salinity profile (in psu / 100 m). 
sa_vertical_gradient_level  I  R(10)  10 * 0.0  Height level from which on the salinity gradient defined by sa_vertical_gradient is effective (in m). 
I 
C * 10 
'pwscheme' 
Advection scheme to be used for the scalar quantities. 

scalar_exchange_coefficient  R  R  0.0  Scalar exchange coefficient for a leaf (dimensionless). 
section_xy  R  I (100)  no section  Position of cross section(s) for output of 2d horizontal cross sections (grid point index k). 
section_xz  R  I (100)  no section  Position of cross section(s) for output of 2d (xz) vertical cross sections (grid point index j). 
section_yz  R  I (100)  no section  Position of cross section(s) for output of 2d (yz) vertical cross sections (grid point index i). 
skip_particles_for_tail  P  I  1  Limit the number of particle tails. 
skip_time_data_output  R  R  0.0  No data output before this interval has passed (in s). 
skip_time_data_output_av  R  R  value of skip_time_ data_output 
No output of temporally averaged 2d/3d data before this interval has passed (in s). 
skip_time_dopr  R  R  value of skip_time_ data_output 
No output of vertical profile data before this interval has passed (in s). 
skip_time_dosp  P  R  value of skip_time_ data_output 
No output of spectra data before this interval has passed (in s). 
skip_time_do2d_xy  R  R  value of skip_time_ data_output 
No output of instantaneous horizontal cross section data before this interval has passed (in s). 
skip_time_do2d_xz  R  R  value of skip_time_ data_output 
No output of instantaneous vertical (xz) cross section data before this interval has passed (in s). 
skip_time_do2d_yz  R  R  value of skip_time_ data_output 
No output of
instantaneous vertical (yz) cross section data before this interval has
passed (in s). 
skip_time_do3d  R  R  value of skip_time_ data_output 
No output of instantaneous 3d volume data before this interval has passed (in s). 
slicer_range_limits_dvrp  P 
R(2,10) 
10 * (1,1)  Ranges of values to which a color table has to be mapped (units of the respective quantity). 
P 
C * 2 (10) 
10 * ' ' 
Direction(s) along which spectra are to be calculated. 

I 
I 
0 
Number of additional userdefined subdomains for which statistical analysis and corresponding output (profiles, time series) shall be made. 

P 
R 
1.0 
Superelevation
factor for the vertical coordinate. 

P 
R 
1.0 
Superelevation
factor for the horizontal (x) coordinate. 

P 
R 
1.0 
Superelevation
factor for the
horizontal (y) coordinate. 

I 
R 
no prescribed heatflux 
Kinematic sensible heat flux at the bottom surface (in K m/s). 

I 
R 
1013.25 
Atmospheric pressure at the surface (in hPa) 

surface_scalarflux  I 
R 
0.0  Scalar flux at
the surface
(in kg/(m^{2} s)). 
I 
R 
0.0 
Kinematic
water flux near the surface (in m/s). 

s_surface  I 
R 
0.0  Surface value of
the passive
scalar (in kg/m^{3}). 
s_surface_initial_change  I 
R 
0.0  Change in
surface scalar
concentration to be made at the
beginning of the 3d run (in kg/m^{3}). 
s_vertical_gradient  I 
R(10) 
10 * 0.0  Scalar
concentration
gradient(s) of the initial scalar
concentration profile (in kg/m^{3 }/
100 m). 
s_vertical_gradient_level  I  R(10)  10 * 0.0  Height level from which on the scalar gradient defined by s_vertical_gradient is effective (in m). 
R 
R 
35.0 
CPU time needed for terminal actions at the end of a run in batch mode (in s). 

P 
R (10) 
0.0 
Threshold
value for which an isosurface is to be created
by
the dvrp
software. 

I 
C * 20 
'rungekutta3' 
Time step scheme to be used for integration of the prognostic
variables. 

topography  I  C * 40  'flat'  Topography mode. 
top_heatflux  I  R  no prescribed heatflux  Kinematic sensible heat flux at the top surface (in K m/s). 
top_momentumflux_u  I  R  no prescribed momentumflux  Momentum flux along x at the top boundary (in m2/s2). 
top_momentumflux_v  I  R  no prescribed momentumflux  Momentum flux along y at the top boundary (in m2/s2). 
top_salinityflux  I  R  no prescribed salinityflux 
Kinematic salinity flux at the top boundary, i.e. the sea surface (in psu m/s). 
I 
R 
0.0 
ucomponent
of the geostrophic wind at the surface (in m/s). 

ug_vertical_gradient  I  R(10)  10 * 0.0  Gradient(s) of the initial profile of the ucomponent of the geostrophic wind (in 1/100s). 
ug_vertical_gradient_level  I  R(10)  10 * 0.0  Height level from which on the
gradient defined by ug_vertical_gradient
is effective (in m). 
I 
R 
0.0 
Subgridscale turbulent kinetic energy difference used as criterion for applying the upstream scheme when upstreamspline advection is switched on (in m^{2}/s^{2}). 

I 
R 
0.0 
Temperature
difference used as criterion for
applying
the upstream scheme when upstreamspline advection is
switched on
(in K). 

I 
R 
0.0 
Velocity
difference (ucomponent) used as criterion for
applying the upstream scheme
when upstreamspline advection is switched on (in m/s). 

I 
R 
0.0 
Velocity
difference (vcomponent) used as criterion for
applying the upstream scheme
when upstreamspline advection is switched on (in m/s). 

I 
R 
0.0 
Velocity
difference (wcomponent) used as criterion for
applying the upstream scheme
when upstreamspline advection is switched on (in m/s). 

use_particle_tails  P  L  .F.  Give particles a tail. 
R 
L 
.F. 
Additional plot of vertical profile data with profil from preceding runs of the job chain. 

use_sgs_for_particles  P  L  .F.  Use subgridscale velocities for particle advection. 
I 
L 
.F. 
Parameter to steer the treatment of the subgridscale vertical fluxes within the diffusion terms at k=1 (bottom boundary). 

use_top_fluxes  I  L  .F.  Parameter to steer the treatment of the subgridscale vertical fluxes within the diffusion terms at k=nz (top boundary). 
I 
L 
.T. 
Switch to determine the translation velocity in case that a Galilean transformation is used. 

use_upstream_for_tke  I  L  .F.  Parameter to choose the advection/timestep scheme to be used for the subgridscale TKE. 
P 
L 
.T.  Switch on/off vertical particle transport.  
I 
R 
0.0 
vcomponent of the geostrophic wind at the surface (in m/s). 

vg_vertical_gradient  I  R(10)  10 * 0.0  Gradient(s) of the initial profile of the vcomponent of the geostrophic wind (in 1/100s). 
vg_vertical_gradient_level  I  R(10)  10 * 0.0  Height level from which on the gradient defined by vg_vertical_gradient is effective (in m). 
I 
L 
.T. 
Parameter to restrict the mixing length in the vicinity of the bottom boundary (and near vertical walls of a nonflat topography). 

wall_heatflux  I  R(5)  5 * 0.0  Prescribed kinematic sensible heat flux in K m/s at the five topography faces. 
P 
L 
.F.  Switch on/off output of particle informations.  
R 
R 
zu(nzt+1) (model top) 
Height level up to which horizontally
averaged profiles
are to
be
plotted with profil
(in
m). 

R 
R 
determined by plot 
Normalized
height level up to which horizontally
averaged
profiles are to be plotted with profil.


R 
R 
zu(nz) 
Height
level up to which 2d cross sections are to be
plotted
with iso2d
(in m). 
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