| Convert | value | 4C variable name | |
|---|---|---|---|
from |
to |
||
| g/m² | kg/ha | 10.0 | gm2_in_kgha |
| kg/ha | g/m² | 0.1 | kgha_in_gm2 |
| g/m² | t/ha | 0.01 | gm2_in_tha |
| t/ha | g/m² | 100.0 | tha_in_gm2 |
| global radiation J/cm² | photosynthetic activ radiation mol/m² | gr_in_par | |
| parameter | value | unit | 4C variable name |
|---|---|---|---|
| part of C in biomass | 0.5 | -- | cpart |
| molar mass of carbon | 12.0 | g/mol | cmass |
| partial pressure of oxygen | 20.9 | kPa | o2 |
| universal gas constant | 8.314 | J/mol/K | r_gas |
| von Karman's constant | 0.41 | -- | c_karman |
| specific heat of air at constant pressure | 1.005 | J/g/K | c_air |
| psychrometer constant | 0.000662 | hPa/K | psycro |
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