UIS Commission on Karst Hydrogeology and Speleogenesis
Filter by letter:
All a a a b c d e f h i j k l m n o p q r s t u w x y z
Email Print

Glossary

Glossary of Karst and Cave Terms

hydraulic gradient
1. The change in static head per unit of distance in a given direction. If not specified, the direction generally is understood to be that of the maximum rate of decrease in head [22]. 2. Slope of the water table or potentiometric surface [22]. 3. A chance in the static pressure of ground water expressed in terms of the height of water above a datum, per unit of distance in a given direction [22].