La acción geomorfológica del manto nivoso estacional en la Sierra de Ancares: vertiente nororiental del pico Cuiña (León)
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Universidad de La Rioja
Abstract
En este trabajo se describe la actividad geomorfológica del mantonivoso estacional en un sector de la vertiente nororiental del Pico Cuiña, Sierrade Ancares. El desplazamiento en masa de la nieve arranca y moviliza fragmen-tos del substrato rocoso, depositándolos al pie de la vertiente. Esta actividadproduce una serie de formas características: superficies pulidas, estrías, acana-laduras, fracturas arqueadas, microcrestas y morrenas de nevero. En el despla-zamiento en masa del manto nivoso intervienen tanto movimientos de tipo rápido(avalanchas de fondo) como lento (deslizamiento nival)
The geomophic action of the seasonal snow cover on thenortheastern slope of Pico Cuiña (Sierra de Ancares, León province), is described.Mass movement of the snow is responsible for the quarrying of bedrock and thetransport of loose clasts to the lower margins of the slope. Such geomorphicactivity gives rise to a set of characteristic geoforms such as smoothed surfaces,striae, grooves, crescentic fractures, micro-ridges and protalus ramparts. Massdisplacement of the snow cover comprises both fast (full-depth avalanches) andslow (snowslide) movements
The geomophic action of the seasonal snow cover on thenortheastern slope of Pico Cuiña (Sierra de Ancares, León province), is described.Mass movement of the snow is responsible for the quarrying of bedrock and thetransport of loose clasts to the lower margins of the slope. Such geomorphicactivity gives rise to a set of characteristic geoforms such as smoothed surfaces,striae, grooves, crescentic fractures, micro-ridges and protalus ramparts. Massdisplacement of the snow cover comprises both fast (full-depth avalanches) andslow (snowslide) movements
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Carrera Gómez, P., & Valcárcel Díaz, M. (2013). The geomorphic action of the seasonal snow cover in the Sierra de Ancares : northeastern slope of the Pico Cuiña (León). Cuadernos de Investigación Geográfica, 36(2), 85-98
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http://dx.doi.org/10.18172/cig.1239Sponsors
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© Universidad de La Rioja, 2010. Baixo Licencia Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported (CC BY-NC-ND 3.0)








