Table 1.
Description of parameters in the C-FIX model.
| Parameter | Significance | Value | Unit |
|---|---|---|---|
| p(Tatm) | Normalized temperature dependency factor [0,1] (Wang, 1996) | [-] | |
| CO2fert | Normalized CO2 fertilization factor (Veroustraete, 1994) | [-] | |
| ϵ | Radiation Use Efficiency (RUE) | gC/MJ | |
| C | Climatic efficiency (McCree, 1972) | 0.48 | [-] |
| Sg,d | Incoming daily global radiation | MJ/m2/d | |
| Ad | Autotrophic respiratory fraction (Goward and Dye, 1987) | [-] | |
| Rh,d | Heterotrophic respiration (Maisongrande et al., 1995) | gC/m2/d | |
| fAPAR | Fraction of absorbed Photosynthetically Active Radiation (PAR) (Asrar et al., 1984) |
ϵ of (8) was assigned by different land use types in Table 3 .
[-] Indicates that there is no unit.