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%% AeoLiS model configuration                                       %%
%% Date: 2020-04-22 12:26:11                                        %%
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%% -------------------- [Timing] ----------------------------- %%
dt                       = 3600.000                            % [s] Timeinterval between timesteps 
tstart                   = 0                                   % [s] Starting time of the simulation 
tstop                    = 125798400.000                       % [s] End time of the simulation 
restart                  = None                                % [s] Interval for which to write restart files 
refdate                  = 2020-01-01 00:00                    % [-] Reference datetime in netCDF output 

%% -------------------- [Grid files *.grd] ------------------- %%
xgrid_file               = x_a.grd                               % Filename of ASCII file with x-coordinates of grid cells 
ygrid_file               = y_a.grd                               % Filename of ASCII file with y-coordinates of grid cells 
bed_file                 = z_a.grd                               % Filename of ASCII file with bed level heights of grid cells 
ne_file                  = ne_a.grd                              % Filename of ASCII file with non-erodible layer 
veg_file                 = veg_a.grd                             % Filename of ASCII file with initial vegetation density 

%% -------------------- [Time series *.txt] ------------------ %%
tide_file                = tide.txt                            % Filename of ASCII file with time series of water levels 
wave_file                = wave.txt                            % Filename of ASCII file with time series of wave heights (and periods) 
wind_file                = wind_a.txt                            % Filename of ASCII file with time series of wind velocity and direction 

%% -------------------- [Output] ----------------------------- %%	
output_times             = 86400.000                           % [s] Timeinterval [s] between *.nc output file 
output_file              = None                                % [-] Name of the *.nc output file 
output_vars              = zb rhoveg                           % [-] List of output variables for in *.nc output file 
visualization 			= F

%% -------------------- [Flags Processes] -------------------- %%
process_wind             = T                                   % [T/F] Enable the process of wind 
process_shear            = T                                   % [T/F] Enable the process of wind shear 
process_tide             = F                                   % [T/F] Enable the process of tides 
process_wave             = F                                   % [T/F] Enable the process of waves 
process_runup            = F                                   % [T/F] Enable the process of wave runup 
process_moist            = F                                   % [T/F] Enable the process of moist 
process_threshold        = T                                   % [T/F] Enable the process of threshold 
process_transport        = T                                   % [T/F] Enable the process of transport 
process_bedupdate        = T                                   % [T/F] Enable the process of bed updating 
process_avalanche        = T                                   % [T/F] Enable the process of avalanching 
process_separation       = T                                   % [T/F] Enable the including of separation bubble 
process_vegetation       = T                                   % [T/F] Enable the process of vegetation 

%% -------------------- [Flags Threshold] -------------------- %%
th_grainsize             = T                                   % [T/F] Enable wind velocity threshold based on grainsize 
th_bedslope              = F                                   % [T/F] Enable wind velocity threshold based on bedslope 
th_moisture              = F                                   % [T/F] Enable wind velocity threshold based on moisture 
th_roughness             = F                                   % [T/F] Enable wind velocity threshold based on roughness 
th_nelayer               = T                                   % [T/F] Enable wind velocity threshold based on a non-erodible layer 

%% -------------------- [General physics] -------------------- %%
g                        = 9.81                                % [m/s^2] Gravitational constant 
v                        = 0.000015                            % [m^2/s] Air viscosity 
rhoa                     = 1.225                               % [kg/m^3] Air density 
rhog                     = 2650.0                              % [kg/m^3] Grain density 
rhow                     = 1025.0                              % [kg/m^3] Water density 
porosity                 = 0.4                                 % [-] Sediment porosity 
cpair                    = 0.0010035                           % [MJ/kg/oC] Specific heat capacity air 

%% -------------------- [Sediment] --------------------------- %%
nlayers                  = 1                                   % [-] Number of bed layers 
layer_thickness          = 0.05000                             % [m] Thickness of bed layers 
nfractions               = 1                                   % [-] Number of sediment fractions 
grain_dist               = 1.0                                 % [-] Initial distribution of sediment fractions 
grain_size               = 0.00025                             % [m] Average grain size of each sediment fraction 

%% -------------------- [Wind and shear] --------------------- %%
wind_convention          = nautical                            % [-] Convention used for the wind direction in the input files (cartesian or nautical) 
alfa                     = 0                                   % [deg] Real-world grid cell orientation wrt the North (clockwise) 
k                        = 0.001                               % [m] Bed roughness 
z                        = 10.                                 % [m] Measurement height of wind velocity 
kappa                    = 0.41                                % [-] Von Kármán constant 
h                        = None                                % [m] Representative height of saltation layer 
L                        = 20.                                % [m] Typical length scale of dune feature (perturbation) 
l                        = 1.                                  % [m] Inner layer height (perturbation) 
m                        = 0.5                                 % [-] Factor to account for difference between average and maximum shear stress 

%% -------------------- [Transport] -------------------------- %%
bi                       = 0.50000                             % [-] Bed interaction factor 
method_transport         = bagnold                             % [-] Name of method to compute equilibrium sediment transport rate 
method_grainspeed        = duran_full                               % [-] Name of method to assume/compute grainspeed 
Aa                       = 0.085                               % [-] Constant in formulation for wind velocity threshold based on grain size 
Cb                       = 1.5                                 % [-] Constant in bagnold formulation for equilibrium sediment concentration 
Ck                       = 2.78                                % [-] Constant in kawamura formulation for equilibrium sediment concentration 
Cl                       = 6.7                                 % [-] Constant in lettau formulation for equilibrium sediment concentration 
Cdk                      = 5.                                  % [-] Constant in DK formulation for equilibrium sediment concentration 

%% -------------------- [Solver] ----------------------------- %%
T                        = 1.                                  % [s] Adaptation time scale in advection equation 
solver                   = steadystate                              % [-] Numerical solver of advection scheme 
max_bedlevel_change 	= 0.02									% [m] Maximum bedlevel change after one timestep. Next timestep dt will be modified (use 999. if not used)

%% -------------------- [Boundary conditions] ---------------- %%
boundary_onshore 		= circular								% [-] Name of onshore boundary conditions (flux, constant, uniform, gradient)
boundary_lateral 		= circular	   							% [-] Name of lateral boundary conditions (circular, constant ==noflux)
boundary_offshore 		= circular								% [-] Name of offshore boundary conditions (flux, constant, uniform, gradient)
offshore_flux            = 0.                                  % [-] Factor to determine offshore boundary flux as a function of Q0 (= 1 for saturated flux , = 0 for noflux) 
constant_offshore_flux   = 0.                                  % [kg/m/s] Constant input flux at offshore boundary 
onshore_flux             = 0.                                  % [-] Factor to determine onshore boundary flux as a function of Q0 (= 1 for saturated flux , = 0 for noflux) 
constant_onshore_flux    = 0.                                  % [kg/m/s] Constant input flux at offshore boundary 
lateral_flux             = 0.                                  % [-] Factor to determine lateral boundary flux as a function of Q0 (= 1 for saturated flux , = 0 for noflux) 
sedimentinput            = 0.                                  % [-] Constant boundary sediment influx (only used in solve_pieter) 

%% -------------------- [Rotating shear-grid] ---------------- %%
dx                       = 1.0                                 % [m] Size of dimension of the computational grid that is generated for a rotating shear computation in x-direction 
dy                       = 1.0                                 % [m] Size of dimension of the computational grid that is generated for a rotating shear computation in x-direction 
buffer_width			= 0.0									% [m] Width of the bufferzone around the rotational grid for wind perturbation	

%% -------------------- [Vegetation] ------------------------- %%	
sigma                    = 4.2                                 % [-] Ratio between basal area and frontal area of roughness elements 
beta                     = 130.000000                          % [-] Ratio between drag coefficient of roughness elements and bare surface 
gamma_vegshear           = 16.                                 % [-] Roughness factor for the shear stress reduction by vegetation 
avg_time                 = 14400.                              % [s] Indication of the time period over which the bed level change is averaged for vegetation growth 
dzb_interval             = 14400.                              % [s] Interval used for calcuation of vegetation growth 
hveg_max                 = 1.                                  % [m] Max height of vegetation 
V_ver                    = 8.5                                 % [m/year] Vertical growth 
V_lat                    = 0.                                  % [m/year] Lateral growth 
germinate                = 1.                                  % [1/year] Possibility of germination per year 
lateral                  = 0.                                  % [1/year] Posibility of lateral expension per year 
veg_gamma                = 1.                                  % [-] Constant on influence of sediment burial 
veg_sigma                = 0.8                                 % [-] Sigma in gaussian distrubtion of vegetation cover filter 
vegshear_type            = raupach                             % [-] Choose the Raupach grid based solver (1D or 2D) or the Okin approach (1D only) 
veg_min_elevation        = -10.                                % [m] Choose the minimum elevation where vegetation can grow 
	
%% -------------------- [Seperation] ------------------------- %%	
c_b                      = 0.2                                 % [-] Slope at the leeside of the separation bubble # c = 0.2 according to Durán 2010 (Sauermann 2001: c = 0.25 for 14 degrees) 
mu_b                     = 20.                                 % [deg] Minimum required slope for the start of flow separation 
sep_filter_iterations    = 0                                   % [-] Number of filter iterations on the separation bubble (0 = no filtering) 
zsep_y_filter            = F                                   % [T/F] Boolean for turning on/off the filtering of the separation bubble height in y-direction 

%% -------------------- [Soil moisture] ---------------------- %%		   
Tdry                     = 7200.000                            % [s] Adaptation time scale for soil drying 
eps                      = 0.001                               % [m] Minimum water depth to consider a cell "flooded" 
method_moist             = belly_johnson                       % [-] Name of method to compute wind velocity threshold based on soil moisture content 

%% -------------------- [Waves] ------------------------------ %%
Tbedreset                = 86400.                              % [s] Adaptation time for resetting morphology in the Swash-zone 
xi                       = .3                                  % [-] Surf similarity parameter 
facDOD                   = .1                                  % [-] Ratio between depth of disturbance and local wave height 

%% -------------------- [Avalanching] ------------------------ %%
theta_dyn                = 33.                                 % [degrees] Initial Dynamic angle of repose, critical dynamic slope for avalanching 
theta_stat               = 34.                                 % [degrees] Initial Static angle of repose, critical static slope for avalanching 
max_iter_ava             = 1000                                % [-] Maximum number of iterations at which to quit iterative solution in avalanching calculation 
