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Master Thesis

Les inventaires de glaciers rocheux en France et en Argentine : enjeux, démarche, exploitation

Abstract : The mountain permafrost is studied since few decades to understand the mechanisms of formation and evolution of the periglacial environment, in the context of climate change. The rock glaciers, located in high altitude, for instance in the Alps and the Andes, are the most visible and common forms of the permafrost, and are abundant in the Southern Alps and the Central Andes. The inventory of the Southern French Alps, gathering three departments, is realized to bring information about the distribution of the rock glaciers and also their activity, completing the Alpine-Space-Project PermaNET and the APIM (Alpine Permafrost Index Map) in all the Alps. This inventory is realized by the RTM service on a SIG, with aerial pictures and orthophotos, and aims to map the potential hazards zones in the French Alps. Otherwise, the national inventory of glaciers, realized actually in the Argentina Andes by the IANIGLA laboratory, base this study on the law 26.639 on the protection of glaciers and periglacial environment, promulgated in 2010, and have the aim to preserve this environment and estimate the water volume present in the glacial and periglacial forms, mapping their distribution and calculating their surface. For this inventory, the software Qgis, SAGA and the Kosmo program, as satellite pictures (Landsat, Aster, Alos) are used. The territory is studied and divided by catchment to inform the public on the available water resources by hydrological regions.
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Damien Bornet. Les inventaires de glaciers rocheux en France et en Argentine : enjeux, démarche, exploitation. Ingénierie de l'environnement. 2014. ⟨dumas-01110525⟩



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