Parameter Deciduous Coniferous Units & Source Cmax 22.53 14.67 mmol m-2 s$-1 calibrated sla 0.0242 0.00863 m2 gC-1$ Schulze et al., 1994 Tmin 0 -1 oC Tian et al., 1999 Tmax$ 34 34 oC Tian et al., 1999 kc 200 200 ppmv CO2 Sokolov et al., 2008 kI 36.3 36.3 W m-2 Raich et al., 1991 tauO3 12 12 months estimated alphaO3 2.6X10-6 0.7X10-6 damage per exposure Felzer et al., 2004 Nmax 356.0 231.0 gN m-2 month-1 calibrated kN1 0.0042 0.0042 gN kgH2O-1 Tian et al., 1999 krnup 128.3 97.4 g rootC m-2 calculated from avg. root C Kr 0.127 0.136 gC gN-1 at Topt calibrated cnleaf 23.8 47.5 gC gN-1 Magill et al., 1997 cnstem 300 500 gC gN-1 estimated cnroot 44.6 57.7 gC gN-1 McClaugherty et al., 1982 cnleafltr 57.3 48.8 gC gN-1 calibrated flive 0.17 0.07 fraction Friend et al., 1997 tauleaf 12 24 months Kucharik et al., 2000 tauroot 12 12 months Kucharik et al., 2000 taustem 66.76 64.3 years calibrated tausenesc 10 10 years estimated pleafc 0.59 0.42 fraction calibrated rstemc:rootc 0.934 0.779 ratio McClaugherty et al., 1982