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La acción geomorfológica del manto nivoso estacional en la Sierra de Ancares : vertiente noriental del Pico Cuiña (León)

2013; University of La Rioja; Volume: 36; Issue: 2 Linguagem: Inglês

10.18172/cig.1239

1697-9540

P. Carrera Gómez, Marcos Valcárcel Díaz,

Tree Root and Stability Studies

The geomophic action of the seasonal snow cover on the northeastern slope of Pico Cuiña (Sierra de Ancares, León province), is described. Mass movement of the snow is responsible for the quarrying of bedrock and the transport of loose clasts to the lower margins of the slope. Such geomorphic activity gives rise to a set of characteristic geoforms such as smoothed surfaces, striae, grooves, crescentic fractures, micro-ridges and protalus ramparts. Mass displacement of the snow cover comprises both fast (full-depth avalanches) and slow (snowslide) movements.