Table 1.

Site and key parameters for selected four FLUXNET sites and EPA flux ozone site.

Site Name	Info.	Key Parameters
FLUXNET Measurmerits:
2006 Missouri Ozark/US-Moz	Deciduous Broadleaf C3, location(−92.2, 38.7441), Elevation 219 m, Missouri, Gu et al. [2006]	Canopy height = 24 m, OBS LAI, x=1 (spherical leaf), αleaf PAR = 0.8, αleaf NIR = 0.2, forest floor reflectance = 0.10, VCMAX25_0 = 30×10–6 mol m-2 s-1, kn = 0.17, Tlow = 0 C, Tup = 36 C, leaf scattering coefficient 0.15, quantum yield ε = 0.08 (mol CO2 mol-1 photon), and Jarvis Rstmin = 200 s m-1 (same as Harvard Forest US-Ha1 site), silt loam with wsat = 0.485, wfc= 0.255, wwlt = 0.178
2008 Wind River Field Station/US-Wrc	Evergreen Needleleaf C3, location(−121.9519, 45.8205), Elevation 371 m, Wahsington, Paw U et al. [2004]	Canopy height = 56 m, LAI = 8.6, x = 1 (spherical leaf), αleaf PAR = 0.8, αleaf NIR = 0.2, forest floor reflectance = 0.10, VCMAX25_0 = 55×10-6 mol m-2 s-1, kn = 0.17, Tlow = −10 C, Tup = 26 C, leaf scattering coefficient 0.17, quantum yield ε = 0.08 (mol CO2 mol-1 photon), and Jarvis Rstmin = 175 s m-1, silt loam with wsat = 0.485, wfc = 0.255, wwit = 0.178
2006 Fermi Prairie/US-1B2	Grasslands C4, location(−88.241, 41.8406), elevation 226 m, Illinois, Allison et al. [2005]	Canopy height = 1 m, OBS LAI, x = 0.85, αleaf PAR = 0.8, αleaf NIR = 0.2, forest floor reflectance = 0.10, VCMAX25_0 = 25×10-6 mol m-2 s-1, kn = 0.17, Tlow = 13 C, Tup = 45 C, leaf scattering coefficient 0.17, quantum yield ε = 0.06 (mol CO2 mol-1 photon), and Jarvis Rstmin = 100 s m-1, silty clay loam with wsat = 0.477, wfc = 0.322, wwit = 0.218
2006 Mead Irrigated Rotation/US-Ne2	Soybean C3, location(−96.4701, 41.1649), elevation 362 m, Nebraska, Verma et al. [2005]	Canopy height varies with OBS LAI, x = 0.81, αleaf PAR = 0.8, αleaf NIR = 0.2, forest floor reflectance = 0.10, VCMAX25_0 = 90×10-6 mol m-2 s-1, kn = 0.17, Tlow = 0 C, Tup = 36 C, leaf scattering coefficient 0.15, quantum yield ε = 0.08 (mol CO2 mol-1 photon), and Jarvis Rstmin = 70 s m-1, silty clay loam with wsat = 0.477, wfc = 0.322, wwlt = 0.218
U.S. EPA Measurments:
2013 Duke Forest Open Field/US-Dk1	Grasslands C3, location(–79.0934, 35.9712), elevation 168 m, North Carolina, Almand-Hunter et al. [2015]	Canopy height = 1 m, LAI = 3, x = 0.85, αleaf PAR = 0.8, αleaf NIR = 0.2, forest floor reflectance = 0.10, VCMAX25_0 = 26×10-6 mol m-2 s-1, kn = 0.17, Tlow =0 C, Tup = 36 C, leaf scattering coefficient 0.15, quantum yield ε = 0.12 (mol CO2 mol-1 photon), and Jarvis Rstmin = 100 s m-1, loam with wsat = 0.451, wfc = 0.24, wwlt = 0.155