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. 2018 Apr 27;8(10):5206–5218. doi: 10.1002/ece3.4046

Table 1.

Parameters and the range of each used in simulations. Some parameters are dimensionless

Parameter/Variable Definition Bounds and units
T air Air temperature [10 — 40]°C
RH Relative humidity [20 — 100] %
Irradiance Total irradiation [200 — 1,200] W/m2
Wind Wind speed [0 — 5] m/s
Kt Hourly diffuse to direct ratio (Reindl et al., 1990) Rdiff/Rglobal=1.00.17KtforKt0.31.451.67Ktfor0.3<Kt<0.780.147forKt0.78 [0 — 1]
LAD LAD = a*LADinit [0.5 — 2]
LIAD LIAD distribution (Wang, Li, & Su, 2007) Defined functions: Planophile, Erectophile, Plagiophile, Uniform
b temp Stomatal response to leaf temperature f1(TLeaf)=0.974981+TLeafbtempctemp2 [10 — 35]°C
c temp Stomatal response to leaf temperature f1(TLeaf)=0.974981+(TLeafbtempctemp)2 [5 — 15]°C
Gsmax Maximal stomatal conductance [1e‐3 — 4e‐3] m/s
d PAR Stomatal response to PAR f3(PAR)=aPARPAR+bPARPAR+dPAR
With b PAR = d PAR/10
and a PAR = (2,000 + d PAR − b PAR)/2,000
[100 — 5,000] μmol m−2 s−1
a VPD Stomatal response to VPD f2(VPD)=1if VPD<aVPDbVPD+cVPDVPD if VPD>aVPD( )with f 2(VPD ≥ VPDmax) = 0, b VPD = 1‐c VPD*a VPD
and c VPD = 1/(a VPD − VPDmax)
[200 — 2,000] Pa
VPDmax Stomatal response to VPD f2(VPD)=1if VPD<aVPDb+cVPDif VPD>aVPD with f 2(VPD ≥ VPDmax) = 0,
b VPD = 1 − c VPD*a VPD
and cVPD=1/(aVPDVPDmax)
[3,000 — 5,000] Pa