Karst spring
A spring emerging from karstified limestone or glacier.
Point at which an underground stream reaches the surface if stream has no known surface headwaters.
Photo: Werenskjold Glacier (Spitsbergen) Arch. ZBPiM
Types of karst spring:
EXSURGENCE – point at which an underground stream reaches the surface if stream has no known surface headwaters.
RESURGENCE – point at which an underground stream reaches the surface and becomes a surface stream.
In European litereature, the term is reserved for the reemergence of a stream that has earlier sunk upstream.