Application of the composite maps method for landslide susceptibility assessment and its potential use for other natural risk analyses
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2013Metadata
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Le Roux, Jacobus
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Application of the composite maps method for landslide susceptibility assessment and its potential use for other natural risk analyses
Abstract
Composite maps have previously been applied to paleogeographic reconstructions and as an aid to
mineral exploration. However, because they can combine different criteria that are used in risk and
feasibility assessment into a single map with equal or weighted input from all the parameters, decisionmaking
can be optimized. The methodology is particularly suitable for the evaluation of landslide
hazard and susceptibility assessment, as it can combine the unfavourable factors typically associated
with mountainous terrains. Composite maps also have the potential to standardize prediction and
prevention criteria for different areas. The methodology is described together with an hypothetical
example and a real case study in Patagonia, the results of which are compared with a susceptibility
analysis of the same area using stochastic methods.
Patrocinador
CEGA-CONICYT/FONDAP
Project 15090013
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Investigaciones Geográficas: No. 46, 2013, pág. 47-56
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