Group | Variable | Reference | Unit |
Pedology | Soil type | [16] | Class name |
Spectral | NDVI | [17] | Non-dimensional |
Topography | Elevation | [18] | m |
Slope | Degree (˚) | ||
Aspect | Degree (˚) | ||
Geomorfology | Geom | [19] | Class name |
Geology | Dist. of geological structures | km | |
Lithology | Class name | ||
Max. Age of rocks | Millions of years (Ma) | ||
Average age of rocks | |||
Min. age of rocks | |||
Climate | precipitation | [20] | mm |
Max.temp. | ˚C | ||
Avg. temp. | ˚C | ||
Min. temp. | ˚C | ||
Range temp. | ˚C |