- A phreatic zone or part of a phreatic zone where water moves fast with turbulence under hydrostatic pressure .
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
Look at other dictionaries:
dynamic phreas — See phreas, dynamic … Lexicon of Cave and Karst Terminology