Calculate below canopy PAR

Source: R/RT_CN_1998.R

This function calculates below canopy PAR

References #'

  • Campbell & Norman (1998) An introduction to Environmental biophysics (abbr C&N (1998))

  • Spitters et al. (1986) Separating the diffuse and direct component of global radiation and its implications for modeling canopy photosynthesis: Part I components of incoming radiation

  • Goudriaan (1977)

RT_CN_1998(driver_file, solar_geo, x_LAD, ...)

Arguments

driver_file

The model driver file
solar_geo

Solar geometry, calculated from solar_geo_calc.R
x_LAD

Leaf angle distribution, default = 1

Value

Returns a time series of below canopy PAR