- Discrete percolation drains contained within the epikarst zone and leading to the transitions zone.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
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subcutaneous flow — Lateral and vertical flow that occurs within the epikarst zone under saturated conditions. Lateral flow distances can exceed hundreds of meters and several meters per day while vertical within discrete percolation drains (subcutaneous drains)… … Lexicon of Cave and Karst Terminology
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