The list of all options which are considered user-configurable is supplied in the file template.yaml. This file contains the options with their default values and documentation as comments:
# A template with all user-selectable configuration options. Most options are
# commented out and the values shown are the defaults.
############################## GENERIC OPTIONS ##############################
#case: #case name (required)
# Optional scenario identification (for preparing multiple scenarios based on
# the same case)
#scenario:
#dnum: 1 #1 for root domain, 2 for nested domain *_N02 etc.
# One or more tasks selected by the user will add required plugins and set
# necessary options. Tasks typically select input meteo and/or chemistry data
# sources.
tasks:
- wrf # WRF meteo inputs
#- wrf_rad # WRF radiation inputs
#- icon # ICON inputs
#- aladin # Aladin inputs
#- camx # CAMx chemistry inputs
#- cams # CAMS chemistry inputs
# Replacement strings to be used in paths. They are valid Python expressions
# and they may reference configuration values such as `dnum` or `scenario`.
path_strings:
#case: 'case'
#scenario: 'f"_{scenario}" if scenario else ""'
#domain: 'f"_N{dnum:02d}" if dnum != 1 else ""'
# All paths are either absolute or relative to paths.base. They may contain
# references to entries in path_strings
paths:
#base: '../JOBS/{case}{scenario}'
palm_input:
#dynamic_driver: 'INPUT/{case}_dynamic{domain}'
#static_driver: 'INPUT/{case}_static{domain}'
intermediate:
#import_data: 'METEO/import{domain}.nc'
#hinterp: 'METEO/hinterp{domain}.nc'
#vinterp: 'METEO/vinterp{domain}.nc'
snapshot:
#setup_model: 'METEO/setup{domain}.pickle'
#import_data: 'METEO/import{domain}.pickle'
#hinterp: 'METEO/hinterp{domain}.pickle'
#vinterp: 'METEO/vinterp{domain}.pickle'
wrf:
#file_mask: 'WRF/wrfout_*.e000'
#rad_file_mask: 'WRF/auxhist6_*'
camx:
#file_mask: 'CAMX/CAMx.*.nc'
icon:
#file_mask: 'ICON/i?ff[0-9]_*.nc*'
#static_data: ~
aladin:
#output: 'ALADIN/aladin_import.nc'
#grib_file_mask: 'ALADIN/ALADIN_GRIBS/**/*.grb'
#soil_depth: 'ALADIN/aladin_soil_depth.grb'
cams:
#file: 'CAMS'
output:
# Overwrite existing output files? Otherwise create a new file with
# numerical suffix
#overwrite: false
# LODs for output variables:
# LOD2 = 3D data (unchanged, default),
# LOD1 = vertical profile (via horizontal averaging).
lod:
#pt: 2
#qv: 2
#uvw: 2
#default_precision: 'f4'
#fill_value: -9999.0
#check_mass_balance: false #re-verify final mass balance after balancing
domain:
#dz: #default=dx
nz: #required
#dz_stretch_level: -1.0 #in metres
#dz_stretch_factor: 1.0
#dz_max: -1.0 #in metres
# minimal number of free surface canopy layers above top of terrain with
# building and plant canopy
#nscl_free: 3
simulation:
#origin_time: #default: read from static driver
#timestep: 1 h
#length: 1 d
#radiation: false #off by default, switched on by tasks or manually
#chem_species: [] #empty list = disabled chemistry
hinterp:
#validate: false
#max_input_grid_error: 0.01
vinterp:
# Smoothing of PALM terrain for WRF vertical interpolation to avoid sharp
# horizontal gradients. Sigma value in grid points.
#terrain_smoothing: off
postproc:
#nox_post_sum: false
verbosity: 1 #can be overwritten by command-line switches -v (=2) or -s (=0)
# Workflow: optionally select a subset of stages
#workflow:
# - check_config
# - setup_model
# - import_data
# - hinterp
# - vinterp
# - write
######################### PLUGIN-SPECIFIC OPTIONS #########################
wrf:
# Method of stretching vertical levels before vertical interpolation in
# order to match the target (high-resolution) terrain, while limiting the
# propagation of surface features to higher levels. May be one of:
# universal: A universal method where levels above transition_level are
# kept unmodified while the levels below are stretched
# gradually
# hybrid: Use the WRF hybrid vertical coordinate system from the
# WRFOUT input files to stretch the levels. WARNING: the WRF
# model must be configured to using hybrid levels, not sigma
# leves, there is no check for this!
# sigma: Use the WRF sigma levels system from the WRFOUT input
# files to stretch the levels. WARNING: the WRF model must be
# configured to using sigma levels, not hybrid leves, there
# is no check for this!
#vertical_stretching: universal
#transition_level: 2000.0 #m above origin_z
#radiation_smoothing_distance: 10000.0
rad_vars:
#sw_tot_h: SWDOWN #may be also SWDNB
#sw_dif_h: SWDDIF
#lw_tot_h: GLW #may be also LWDNB
camx:
# True: model grid is Lambert Conformal Conic from the coupled WRF model.
# This uses bilinear inteprolation based on WRF-specific ellipsoid. False
# (default): use universal triangular interpolation.
#uses_wrf_lambert_grid: false
# Python-code checks on input file variables and attributes. May also be
# extended by individual output variables.
#validations: []
# A list of variables loaded for processing. May also be extended by
# individual output variables.
#loaded_vars: []
# An optional preprocessing Python code on loaded variables, as triggered
# by individual output variables.
#preprocessors:
# PM25: 'PM25 = PSO4+PNO3+PNH4+POA+PEC+FPRM+SOA1+SOA2+SOA3+SOA4+SOPA+SOPB'
synthetic:
#transition_level: 2000.0 #m above origin_z
#prof_vars:
# u: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# v: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# w: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# pt: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# qv: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# soil_t: {profiles: ~, heights: ~, timeseries: ~, times: ~}
# soil_m: {profiles: ~, heights: ~, timeseries: ~, times: ~}
#p_surf: ~
#p_sl: 100000.
aladin:
#load_gribs: true
#vertical_stretching: universal
#transition_level: 2000.0 #m above origin_z
#radiation_smoothing_distance: 10000.0
#soil_depth_default: 0.40
#soil_avg_point: [ 14.418540, 50.073658 ]
icon:
# List of assimilation cycles specified as timedeltas after midnight UTC
#input_assim_cycles: [0 h, 3 h, 6 h, 9 h, 12 h, 15 h, 18 h, 21 h]
# First and last forecast horizon taken from each cycle. Must match
# assimilation cycles in such a way that a full, continuous day is formed.
# For aggregated values, the last horizon is exactly 1 timestep further.
#input_fcst_horizon_range: [0 h, 2 h]
# Distance [km] for selecting nearby grid points usable for interpolation.
# Recommended value: original grid resolution × 3
#point_selection_buffer: 20.0
#radiation_smoothing_distance: 30.0 #km
#transition_level: 2000.0 #m above origin_z
# Smoothing of PALM terrain for vertical interpolation to avoid sharp
# horizontal gradients. Sigma value in grid points.
#terrain_smoothing: off
cams:
This file may be used as a template for a new PALM-meteo configuration by uncommenting the values that the user wants to change.