Strata

Variable Name	Description	Units
stratum_default_ID	Identifier used by stratum objects to indicate their stratum default files	unique value for each default file
K_absorptance	Direct radiation absorption coefficient	range (0 - 1)
K_reflectance	Direct radiation reflection coefficient i.e albedo	range (0 - 1)
K_transmittance	Direct radiation transmittance coefficient	range (0 - 1)
PAR_absorptance	PAR radiation absorption coefficient	range (0 - 1)
PAR_reflectance	PAR radiation reflection coefficient i.e albedo	range (0 - 1)
PAR_transmittance	PAR radiation transmittance coefficient	range (0 - 1)
epc.ext_coef	Canopy light extinction coefficient	range (0-1)
specific_rain_capacity	Intercepted rain storage capacity per LAI	metres / LAI
specific_snow_capacity	Intercepted snow storage capacity per LAI	metres / LAI
wind_attenuation_coef	Wind speed attenuation through canopy (exponential decay)	1/metres
ustar_overu	If u*/u ratio is available for aerodynamic conductance computation the use; otherwise set to -999.9	(metres/s) / (metres/s)
mrc.q10	Q10 for maintenance respiration	dimensionless
mrc.per_N	Maintainance respiration per unit nitrogen	Kg C / kg N / day
epc.gr_perc	Percent of new carbon allocation that is lost to growth respiration	range (0 - 1)
lai_stomatal_fraction	Stomatal fraction	range (0 - 1)
epc.flnr	Ration Leaf nitrogen in Rubisco to leaf nitrogen	Kg / kg
epc.ppfd_coef	Shape parameter for APAR / conductance hyperbola curve	s/metres2/micromol
epc.topt	Optimum air temperature for stomatal conductance	º C
epc.tmax	Maximum air temperature for stomatal conductance	º C
epc.tcoef	Coefficient of temperature curve for stomatal conductance	dimensionless
epc.psi_open	Leaf water potential for full stomatal conductance	Mpa
epc.psi_close	Leaf water potential for complete stomatal closure	Mpa
epc.vpd_open	Vapour pressure deficit for full stomatal conductance	Pa
epc.vpd_close	Vapour pressure deficit for complete stomatal closure	Pa
epc.gl_smax	Maximum stomatal conductance	metres / s
epc.gl_c	Leaf-scale cuticular conductance	metres/ s
gsurf_slope	Slope of nonvascular conductance vs storage curve - use 0 for vascular strata	dimensionless
gsurf_intercept	Intercept for nonvascular conductance vs storage curve -	dimensionless
epc.veg_type	Vegetation type	TREE or GRASS
epc.phenology_flag	Phenology flag (currently must be static, not modelled)	STATIC or DYNAMIC
epc.phenology_type	Phenology type	EVERGREEN or DECIDUOUS
epc.max_lai	Maximum leaf area	meters2 / kg C
epc.proj_sla	Specific leaf area	meters2 / kg C
epc.lai_ratio	All-sided LAI / one-sided LAI ratio	dimensionless
epc.proj_swa	Specific wood area (i.e pai per kg C of stem biomass)	1/kg C
epc.leaf_turnover	Annual leaf turnover fraction	range (0-1)
epc.day_leafon	Start of growing season	range(1-365)
epc.day_leafoff	Beginning of leaf drop	range(1-365)
epc.ndays_expand	Number of days for leaf out period	# days
epc.ndays_litfall	Number of days for litterfall perio	# days
epc.leaf_cn	Carbon:nitrogen ratio of leaves	Kg C / kg N
epc.leaflitr_cn	Carbon:nitrogen ratio of leaf litter after translocation	Kg C / kg N
min_heat_capacity	Maximum stratum heat capacity - 0 will ignore heat flux model	J/m3/ºK
max_heat_capacity	Minimum stratum heat capacity - 0 will ignore heat flux model	J/m3/ ºK
epc.allocation_flag	Allocation flag (if static, canopy will not grow, as if using V 4.6)	STATIC or DYNAMIC
epc.storage_transfer_prop	Amount of this year\'s annual allocation to be used - value < 1.0 will maintain a carbon store for use in bad years	range (0-1)
epc.froot_turnover	Annual fine root turnover fraction (percent carbon per year)	range (0-1)