- Solar radiation incident on a leaf or slope surface (any slope angle, azimuth, time of day, or day of year)
- Leaf temperature (any combination of climate and leaf coupling factors)
- Photosynthetic rate of a C3 leaf (based on Farquhar models)
- Canopy light penetration and photosynthesis (any distribution of leaf area and photosynthetic capacity)
- Whole plant water relations