f.GPP: Canopy scale GPP calculation

In TESTgroup-BNL/LeafGasExchange: A package containing functions for fitting photosynthetic response curves, simulat leaf and canopy photosynthesis

Canopy scale GPP calculation

Description

Generic function to calculate the GPP within a forest (Here GPP = sum of Anet at the canopy level, so it takes into account the leaf mitochondrial respiration)

Usage

f.GPP(
  meteo_hourly,
  Vcmax_Profile,
  Jmax_Profile,
  Rd_Profile,
  Tp_Profile,
  g0_Profile,
  g1_Profile,
  gsmin,
  canopy,
  Patm = 100,
  ...
)

Arguments

meteo_hourly	See f.canopy.interception doc. In addition to the requirement for f.canopy.interception, the leaf temperature has to be informed within the column Tleaf.
Vcmax_Profile	Vector of the values of Vcmax at the reference temperature at each layer of the canopy.
Jmax_Profile	Vector of the values of Jmax at the reference temperature at each layer of the canopy.
Rd_Profile	Vector of the values of Rd at the reference temperature at each layer of the canopy.
Tp_Profile	Vector of the values of Tp at the reference temperature at each layer of the canopy.
g0_Profile	Vector of the values of g0 at the reference temperature at each layer of the canopy.
g1_Profile	Vector of the values of g1 at the reference temperature at each layer of the canopy.
gsmin	Minimum stomatal conductance for water to consider. This value will be used as the minimum conductance value to avoid 0 and negative values obtained from the coupled assimilation and conductance models.
canopy	Description of the canopy interception (see canopy_interception function).
Patm	Atmospheric pressure (used to calculate the transpiration).
...	Other parameters of the photosynthetic model, without gradients, for example curvature factor, quantum yield.. see the help of f.make.param().

Examples

#See vignettes on github

TESTgroup-BNL/LeafGasExchange documentation built on May 17, 2024, 8:11 p.m.