Avenc dels Raiers
A 40-metre-deep pit at the torrent de Llabró, Conca de Dalt, with reverse functioning: when the surgència dels Raiers does not evacuate the water, it exits through the pit's mouth.
EspeleoWorld
Avenc dels Raiers
A 40-metre-deep pit at the torrent de Llabró, Conca de Dalt, with reverse functioning: when the surgència dels Raiers does not evacuate the water, it exits through the pit's mouth.
Conca de Dalt · Pallars Jussà
Sviluppo: 60 m · Profondità: 40 m
Scheda aggiornata
https://espeleoworld.com/it/c/avenc-dels-raiers
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A 40-metre-deep pit at the torrent de Llabró, Conca de Dalt, with reverse functioning: when the surgència dels Raiers does not evacuate the water, it exits through the pit's mouth.
Topografia
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Descrizione
Morfologia
It is a pit with walls that are very smooth due to water erosion.
Idrologia
We are faced with a curious pit of reverse functioning, hydrologically speaking. When the surgència dels Raiers is not able to evacuate the water, it rises in level and comes out through the mouth of this pit, making it act like an authentic “trop-plein” with considerable force, since from the mouth of the cavity a ravine begins that goes to fall again into the springs below. The water's course is upward in a first moment of rising and exit into the ravine, and then the level drops again and exits through the chaos of blocks down to the springs below.
Altri dettagli
Following the various visits carried out by the GEB, it is deduced that the water has reached as far as marked on the survey, since the change in morphology is evident due to the dragging of stones and mud that has occurred between visits.
Storia
Discovered by GE Badalona in 1985.
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Bibliografia
- Cortès Ribelles, Manuel.(2005).- La Serra del Boumort i muntanyes veïnes. Col·lecció Azimut -70. edicions Cossetània.
- Ferrer Sánchez, Diego.(1990).-”La cova del Roset”. Cavernas (22):75-77. GE Badalona.
- Senent, J.; Victoria, JM.(1965).-”Datos para el conocimiento espeleológico del macizo del Boumort”. Montaña (100):269-281. Centre Excursionista de Catalunya.
Grotte vicine
Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/