| S/N | Variable Label | Variable Code | Variable Description |
| 1. | SOR | X1 | Stream Order |
| 2. | SLE | X2 | Stream Length |
| 3. | BLE | X3 | Basin Length |
| 4. | MSL | X4 | Main Stream Length |
| 5. | MEL | X5 | Main Stream Length |
| 6. | TSL | X6 | Total Stream Length |
| 7. | BAP | X7 | Basin Perimeter |
| 8. | BFR | X8 | Bifurcation Ratio |
| 9. | BAR | X9 | Basin Area |
| 10. | DRD | X10 | Drainage Density |
| 11. | SRF | X11 | Stream Frequency |
| 12. | FFA | X12 | Form Factor |
| 13. | CRA | X13 | Circulatory Ratio |
| 14. | ERA | X14 | Elongation Ration |
| 15. | BRE | X15 | Basin Relief |
| 16. | RRA | X16 | Relief Ratio |
| 17. | BSL | X17 | Basin Slop |
| 18. | MAR | X18 | Max Relief |
| 19. | MIR | X19 | Min Relief |