Table 2 Model parameter values for the literature-based (M1) with references (ref.), calibrated (M2) and filter-based (M3) model version

  p _max

max. photoproducitvity of leaf (µmol(CO₂) ⋅ s^− 1 ⋅ m^− 2)

8.9014

(Sonntag 1998; Bohn et al. 2014)

5.67

10.98

  α

slope of light response curve (µmol(CO₂) ⋅ µmol(photons)^− 1)

0.0402

(Sonntag 1998; Bohn et al. 2014)

0.15

0.08

  \( {T}_{{\mathrm{CO}}_2, l} \)

min. temperature for photosynthesis (°C)

−2.0

(Sitch et al. 2003; Bohn et al. 2014)

−7.82

–

  \( {T}_{{\mathrm{CO}}_2, h} \)

max. temperature for photosynthesis (°C)

38.0

(Sitch et al. 2003; Bohn et al. 2014)

31.59

–

  T _hot

mean temperature of warmest month (°C)

18.9

(Sitch et al. 2003; Bohn et al. 2014)

12.0

–

  T _cold

mean temperature of coldest month (°C)

10.0

(Sitch et al. 2003; Bohn et al. 2014)

8.47

–

  T _opt

optimal temperature for photosynthesis (°C)

–

–

–

14.22

  T _sig

width of new temperature curve (°C)

–

–

–

12.83

  Q ₁₀

constant for temperature-dependent respiration

2.3

(Piao et al. 2010; Bohn et al. 2014)

1.52

1.52

  T _ref

Reference temperature (°C)

10.1

(Bohn et al. 2014)

12.61

15.06

  SW _pwp

permanent wilting point (vol-%)

19.7

(Maidment 1993)

14.0

9.5

  SW _fc

field capacity (vol-%)

31.8

(Maidment 1993)

40.0

20.7