Zonas de aludes en la Vallferrera: Clasificación y riesgo geomorfológico
DOI:
https://doi.org/10.3989/pirineos.1991.v138.188Keywords:
Pyrenees, snow avalanche path, snow avalanche riskAbstract
Avalanche areas in the Vallferrera: classification and geomorphological risk. The Vallferrera basin is located in the western Catalonian Pyrenees, bordering on Andorra. In this area, a study of the snow avalanche path characteristics has been done starting from two points of view (MASES 1991): Firstly, a description and a classification of the different morphologies of the snow avalanche paths have been done. We have compared their distribution with some intrinsic parameters of the basin, like lithology, preexistent relief, etc. It has been observed that the different morphologies of the snow avalanche paths are the results of their adaptation to the pre-existent glacial relief. Secondly, the snow avalanche risk has been analyzed at the Vallferrera basin. There have been identified four zones of high risk, due to the interference between the avalanches and the social structure.
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