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Título

A GIS-based methodology for the estimation of potential volcanic damage and its application to Tenerife Island, Spain

Autor Scaini, C.; Felpeto, A.; Martí Molist, Joan ; Carniel, R.
Palabras clave Multi-hazard
Systemic vulnerability
Damage assessment
GIS-based methodology
Tenerife Island
Fecha de publicación may-2014
EditorElsevier
Citación Journal of Volcanology and Geothermal Research, 278-279: 40-58 (2014)
ResumenThis paper presents a GIS-based methodology to estimate damages produced by volcanic eruptions. The methodology is constituted by four parts: definition and simulation of eruptive scenarios, exposure analysis, vulnerability assessment and estimation of expected damages. Multi-hazard eruptive scenarios are defined for the Teide–Pico Viejo active volcanic complex, and simulated through the VORIS tool. The exposure analysis identifies the elements exposed to the hazard at stake and focuses on the relevant assets for the study area. The vulnerability analysis is based on previous studies on the built environment and complemented with the analysis of transportation and urban infrastructures. Damage assessment is performed associating a qualitative damage rating to each combination of hazard and vulnerability. This operation consists in a GIS-based overlap, performed for each hazardous phenomenon considered and for each element. The methodology is then automated into a GIS-based tool using an ArcGIS® program. Given the eruptive scenarios and the characteristics of the exposed elements, the tool produces expected damage maps. The tool is applied to the Icod Valley (North of Tenerife Island) which is likely to be affected by volcanic phenomena in case of eruption from both the Teide–Pico Viejo volcanic complex and North-West basaltic rift. Results are thematic maps of vulnerability and damage that can be displayed at different levels of detail, depending on the user preferences. The aim of the tool is to facilitate territorial planning and risk management in active volcanic areas.
Versión del editorhttp://dx.doi.org/10.1016/j.jvolgeores.2014.04.005
URI http://hdl.handle.net/10261/96581
DOIhttp://dx.doi.org/10.1016/j.jvolgeores.2014.04.005
ISSN0377-0273
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