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Karst spring

A spring emerging from karstified limestone.

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.

1- bedrock , 2- glacial or fluvioglacial sediments, 3-glacier, 4- waterfall, 5- glacial stream

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