APAR (μmol m⁻² s⁻¹) = 220.0
Parameters:

canopy reflectance, ρ_leaf
0.45

extinction coefficient, K
0.45

clumping index, Ω
0.45

Drivers:

PAR (μmol m⁻² s⁻¹)
680.0

LAI (m² m⁻²)
4.5