


01
Definition
1.
estavelle : An intermittent resurgence or exsurgence, active only in wet seasons. May act alternatively as a swallow hole and as a rising according to ground-water conditions.
Monroe, 1970
2.
The term estavelle was first used in the Jura but is now used fairly widely for a hole which is at one time of the year a swallow hole and at another time a spring.
ni v korpusu
02
Frame
FUNCTION | May act alternatively as a swallow hole and as a rising according to ground-water conditions |
intermittent resurgence or exsurgence |
03