Landslide Hazard and Risk Zonation Mapping in the Río Grande Basin, Central Andes of Mendoza, Argentina
2002
Espizua, Lydia Elena | Bengochea, Jorge Daniel
This paper presents an inventory of landslides and hazard and risk zonation mapping along the Río Grande basin in the Central Andes of Mendoza. The mapping was based on field work combined with interpretation of aerial photographs to provide a practical basis for rational land-use planning. Landslide risk zones were mapped, in view of the natural hazards and the degree of loss to a given element or set of elements at risk along roads and routes because of a particular phenomenon of a given magnitude. Landslides occurred in the study area during 2 periods of the year: in spring after snowmelt and in summer after severe rainstorms. A relationship was found between the lithology and the landslides. In addition, the occurrence of a reactivated landslide and the formation of a dam were detected on the satellite images.
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