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Epiphreatic zone

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Cross section showing the water table varying with surface topography as well as a perched water table

Cross-section of a hillslope depicting the vadose zone, capillary fringe, water table, and the phreatic or saturated zone. (Source: United States Geological Survey.)

In a cave system, the epiphreatic zoneorfloodwater zone is the zone between the vadose (unsaturated) zone above and phreatic (saturated) zone below. It is regularly flooded and has a significant porosity. It has a great potential for cave formation.^[1]

References

[edit]

^ "Infiltration | hydrologic cycle | Britannica". www.britannica.com. Retrieved 2024-06-08.

^ "saturated zone". Oxford Reference. Retrieved 2024-06-08.

^ "USGS Unsaturated Zone Flow Project". wwwrcamnl.wr.usgs.gov. Retrieved 2024-06-08.

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