INVESTIGADORES
CORONATO andrea maria josefa
artículos
Título:
Cryogenic landforms in the Sierras de Alvear, Fuegian Andes, Subantarctic Argentina
Autor/es:
VALCARCEL DÍAZ, M.; CARRERA GÓMEZ, P.; CORONATO, A.; CASTILLO RODRIGUEZ, F.; PÉREZ ALBERTI, A.; RABASSA, J.
Revista:
Permafrost and Periglacial Processes
Editorial:
Elsevier
Referencias:
Año: 2006 p. 371 - 376
ISSN:
1045-6740
Resumen:
A preliminary survey of periglacial landforms found in the Monte Alvear region of the Fuegian Andes, subantarctic Argentina has revealed the presence of nivation hollows, subnival ¨boulder¨(clast) pavements, protalus ramparts, debris lobes, patterned ground and cryo-ejected clasts. With the exception of debris lobes and cryo-ejected clasts, all the landforms show some degrees of activity and are, therefore, cosidered as indicators of present-day cryonival morphodynamics at higher elevations in these mountains. A number of small tors, while not necessary periglacial in origin, are also apparently experiencing cryogenic weathering.
