Landslide Vulnerability Criteria: A Case Study from Umbria,Central Italy |
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Authors: | Mirco Galli Fausto Guzzetti |
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Institution: | (1) CNR–IRPI, via Madonna Alta 126, 06128 Perugia, Italy |
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Abstract: | Little is known about the vulnerability to landslides, despite landslides causing frequent and widespread damage to the population
and the built-up environment in many areas of the world. Lack of information about vulnerability to landslides limits our
ability to determine landslide risk. This paper provides information on the vulnerability of buildings and roads to landslides
in Umbria, central Italy. Information on 103 landslides of the slide and slide-earth flow types that have resulted in damage
to buildings and roads at 90 sites in Umbria is used to establish dependencies between the area of the landslide and the vulnerability
to landslides. The dependencies obtained are applied in the hills surrounding the town of Collazzone, in central Umbria, an
area for which a detailed landslide inventory map is available. By exploiting the landslide inventory and the established
vulnerability curves, the geographical distribution of the vulnerability to landslides is mapped and statistics of the expected
damage are calculated. Reliability and limits of the vulnerability thresholds and of the obtained vulnerability assessment
are discussed. |
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Keywords: | Landslide Vulnerability Damage Risk Umbria Central Italy |
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