| Similarity | Rank | |
|---|---|---|
| run-off | 0.938 | 42150 |
| stormwater | 0.787 | 26586 |
| snowmelt | 0.776 | 96079 |
| groundwater | 0.762 | 17131 |
| rainwater | 0.736 | 23331 |
| effluent | 0.728 | 38366 |
| aquifer | 0.721 | 40456 |
| sediment | 0.715 | 19370 |
| wastewater | 0.715 | 17337 |
| turbidity | 0.709 | 71435 |
| precipitation | 0.708 | 20056 |
| silt | 0.708 | 39076 |
| seepage | 0.703 | 53925 |
| irrigation | 0.703 | 11652 |
| drainage | 0.703 | 10638 |
| leaching | 0.702 | 47493 |
| floodwaters | 0.702 | 70266 |
| evaporation | 0.701 | 27570 |
| watersheds | 0.698 | 41406 |
| aquifers | 0.695 | 48296 |
| transpiration | 0.690 | 99515 |
| soil | 0.688 | 2848 |
| wetlands | 0.688 | 14228 |
| rainfall | 0.687 | 13644 |
| soils | 0.685 | 13363 |