Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
unsaturated zone  | |
|---|---|
| UF | non-saturated zone |
| vadose zone | |
| zone of aeration | |
| RT | soils |
| ground water | |
| hydrogeology | |
| SUTRA | |
| preferential flow | |
| capillary water | |
| saturated zone | |
| water table | |
| underground streams | |
| water regimes | |
| Green-Ampt model | |
| DRAINMOD | |
| infiltration | |
| Richards equation | |
| SN | Subsurface zone with pressure less than atmospheric. In GeoRef, it is not considered ground water. Added to Thesaurus in 1981. |