L: Latent heat flux density (W / m^2)

.get_L(T_leaf, pars, unitless)

Arguments

T_leaf

Leaf temperature in Kelvin

pars

Concatenated parameters (leaf_par, enviro_par, and constants)

unitless

Logical. Should function use parameters with units? The function is faster when FALSE, but input must be in correct units or else results will be incorrect without any warning.

Value

Value in W / m^2 of class units

Details

$$L = h_\mathrm{vap} g_\mathrm{tw} d_\mathrm{wv}$$

SymbolRDescriptionUnitsDefault
\(d_\mathrm{wv}\)d_wvwater vapour gradientmol / m ^ 3calculated
\(h_\mathrm{vap}\)h_vaplatent heat of vaporizationJ / molcalculated
\(g_\mathrm{tw}\)g_twtotal conductance to H2O(\(\mu\)mol H2O) / (m\(^2\) s Pa)calculated

Examples


library(tealeaves)

cs <- make_constants()
ep <- make_enviropar()
lp <- make_leafpar()

T_leaf <- set_units(298.15, K)

tealeaves:::.get_L(T_leaf, c(cs, ep, lp), FALSE)
#> 248.9066 [W/m^2]