&initialization_parameters
!
!-- grid parameters
!-------------------------------------------------------------------------------
    nx                         = 39, ! Number of gridboxes in x-direction (nx+1)
    ny                         = 39, ! Number of gridboxes in y-direction (ny+1)
    nz                         = 20, ! Number of gridboxes in z-direction (nz)

    dx                         = 1.0, ! Size of single gridbox in x-direction
    dy                         = 1.0, ! Size of single gridbox in y-direction
    dz                         = 1.0, ! Size of single gridbox in z-direction

!
!-- initialization
!-------------------------------------------------------------------------------
    origin_date_time           = '2019-06-21 12:00:00 +00'
    latitude                   = 41.9
    longitude                  = 12.5

    initializing_actions       = 'set_constant_profiles', ! initial conditions

    ug_surface                 = 0.0, ! u-comp of geostrophic wind at surface
    vg_surface                 = 0.0, ! v-comp of geostrophic wind at surface
    pt_surface                 = 300.0, ! initial surface potential temp
    pt_vertical_gradient       =   0.0,
                                   1.0, ! piecewise temp gradients

/ ! end of initialization parameter namelist


&runtime_parameters
!
!-- run steering
!-------------------------------------------------------------------------------
    end_time                   = 3600.0, ! simulation time of the 3D model


!
!-- data output
!-------------------------------------------------------------------------------
    netcdf_data_format         = 2, ! use NetCDF3

    dt_run_control             = 0.0,    ! output interval for run control
    dt_data_output             = 60.0,   ! output interval for general data
    dt_data_output_av          = 60.0,   ! output interval for averaged data
     
    data_output                = 'uvem_vitd3dose*_xy_av', 'uvem_vitd3*_xy'
       
    section_xy                 = 1,   ! grid index for 2D XY cross sections
    averaging_interval         = 60.0, ! averaging interval general data
    !dt_averaging_input         = 5.0,  ! averaging general data sampling rate



!-------------------------------------------------------------------------------
!-- Biometeorology PARAMETER NAMELIST
!   Documentation: https://palm.muk.uni-hannover.de/trac/wiki/doc/app/biometpar
!-------------------------------------------------------------------------------
&biometeorology_parameters
!
!-- exposure model parameters
!-------------------------------------------------------------------------------    
    uv_exposure              = .TRUE.,   !< .T.=expo model on, .F.=expo model off
    thermal_comfort          = .FALSE.
    !consider_obstructions    = .FALSE.,  !< .T.=with obstructions, .F.=unobstructed,                                  
    !clothing                 =   0,      !< 0=unclothed, 1=summer, 3=winter)
    !orientation_angle        = 180.0,    !< orientation of front/face of human
    !turn_to_sun              = .TRUE.,   !< .F.=as orient. angle, .T.=human to sun
    !sun_in_south             = .FALSE.,  !< .F.=actual pos., .T.=sun in south 

/ ! end of biometeorology parameter namelist