Low-level functions used in the calculation of carbon balance.
Usage
carbon_sugarStarchDynamicsLeaf(sugarConc, starchConc, eqSugarConc)
carbon_sugarStarchDynamicsStem(sugarConc, starchConc, eqSugarConc)
carbon_osmoticWaterPotential(sugarConc, temp, nonSugarConc)
carbon_sugarConcentration(osmoticWP, temp, nonSugarConc)
carbon_relativeSapViscosity(sugarConc, temp)
carbon_leafStructuralBiomass(LAI, N, SLA)
carbon_leafStarchCapacity(LAI, N, SLA, leafDensity)
carbon_sapwoodStructuralBiomass(SA, H, L, V, woodDensity)
carbon_sapwoodStructuralLivingBiomass(
SA,
H,
L,
V,
woodDensity,
conduit2sapwood
)
carbon_sapwoodStarchCapacity(SA, H, L, V, woodDensity, conduit2sapwood)
carbon_carbonCompartments(x, biomassUnits = "g_m2")
Arguments
- sugarConc
Concentration of soluble sugars (mol/l).
- starchConc
Concentration of starch (mol/l)
- eqSugarConc
Equilibrium concentration of soluble sugars (mol/l).
- temp
Temperature (degrees Celsius).
- nonSugarConc
Concentration of inorganic solutes (mol/l).
- osmoticWP
Osmotic water potential (MPa).
- LAI
Leaf area index.
- N
Density (ind·ha-1).
- SLA
Specific leaf area (mm2/mg = m2/kg).
- leafDensity
Density of leaf tissue (dry weight over volume).
- SA
Sapwood area (cm2).
- H
Plant height (cm).
- L
Coarse root length (mm) for each soil layer.
- V
Proportion of fine roots in each soil layer.
- woodDensity
Wood density (dry weight over volume).
- conduit2sapwood
Proportion of sapwood corresponding to conducive elements (vessels or tracheids) as opposed to parenchymatic tissue.
- x
An object of class
growthInput
.- biomassUnits
A string for output biomass units, either "g_ind" (g per individual) or "g_m2" (g per square meter).
Value
Values returned for each function are:
carbon_leafStarchCapacity
: Capacity of storing starch in the leaf compartment (mol gluc/ind.).carbon_leafStructuralBiomass
: Leaf structural biomass (g dry/ind.)carbon_sapwoodStarchCapacity
: Capacity of storing starch in the sapwood compartment (mol gluc/ind.).carbon_sapwoodStructuralBiomass
: Sapwood structural biomass (g dry/ind.)carbon_sapwoodStructuralLivingBiomass
: Living sapwood (parenchyma) structural biomass (g dry/ind.)carbon_sugarConcentration
: Sugar concentration (mol gluc/l)carbon_osmoticWaterPotential
: Osmotic component of water potential (MPa)carbon_relativeSapViscosity
: Relative viscosity of sapwood with respect to pure water (according to Forst et al. (2002)).carbon_sugarStarchDynamicsLeaf
: Rate of conversion from sugar to starch in leaf (mol gluc/l/s).carbon_sugarStarchDynamicsStem
: Rate of conversion from sugar to starch in leaf (mol gluc/l/s).carbon_carbonCompartments
: A data frame with the size of compartments for each plant cohort, in the specified units.
References
Forst P, Wermer F, Delgado A (2002). On the pressure dependence of the viscosity of aqueous sugar solutions. Rheol Acta 41: 369–374 DOI 10.1007/s00397-002-0238-y