potentiometric surface

An imaginary surface that represents the static head of groundwater and is defined by the level to which water will rise. Also known as isopotential level; piezometric surface; pressure surface.

Related terms:

• potentiometric map
• surface chart
• surface pressure
• surface forces
• constant-height surface
• geopotential surface
• isobaric surface
• surface boundary layer
• surface drainage
• sea-surface slope