Hyperparameters for FF16 physiological model

Hyperparameter function for FF16 physiological model

make_FF16_hyperpar(
  lma_0 = 0.1978791,
  B_kl1 = 0.4565855,
  B_kl2 = 1.71,
  rho_0 = 608,
  B_dI1 = 0.01,
  B_dI2 = 0,
  B_ks1 = 0.2,
  B_ks2 = 0,
  B_rs1 = 4012,
  B_rb1 = 2 * 4012,
  B_f1 = 3,
  narea = 0.00187,
  narea_0 = 0.00187,
  B_lf1 = 5120.738 * 0.00187 * 24 * 3600/1e+06,
  B_lf2 = 0.5,
  B_lf3 = 0.04,
  B_lf4 = 21000,
  B_lf5 = 1,
  k_I = 0.5,
  latitude = 0
)

FF16_hyperpar(m, s, filter = TRUE)

Arguments

lma_0

Central (mean) value for leaf mass per area [kg /m2]

B_kl1

Rate of leaf turnover at lma_0 [/yr]

B_kl2

Scaling slope for phi in leaf turnover [dimensionless]

rho_0

Central (mean) value for wood density [kg /m3]

B_dI1

Rate of instantaneous mortality at rho_0 [/yr]

B_dI2

Scaling slope for wood density in intrinsic mortality [dimensionless]

B_ks1

Rate of sapwood turnover at rho_0 [/yr]

B_ks2

Scaling slope for rho in sapwood turnover [dimensionless]

B_rs1

CO_2 respiration per unit sapwood volume [mol / yr / m3 ]

B_rb1

CO_2 respiration per unit sapwood volume [mol / yr / m3 ]

B_f1

Cost of seed accessories per unit seed mass [dimensionless]

narea

nitrogen per leaf area [kg / m2]

narea_0

central (mean) value for nitrogen per leaf area [kg / m2]

B_lf1

Potential CO_2 photosynthesis at average leaf nitrogen [mol / d / m2]

B_lf2

Curvature of leaf photosynthetic light response curve [dimensionless]

B_lf3

Quantum yield of leaf photosynthetic light response curve [dimensionless]

B_lf4

CO_2 respiration per unit leaf nitrogen [mol / yr / kg]

B_lf5

Scaling exponent for leaf nitrogen in maximum leaf photosynthesis [dimensionless]

k_I

light extinction coefficient [dimensionless]

latitude

degrees from equator (0-90), used in solar model [deg]

m

A matrix of trait values, as returned by trait_matrix

s

A strategy object

filter

A flag indicating whether to filter columns. If TRUE, any numbers that are within eps of the default strategy are not replaced.