IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2017  > Vol14 No.7
Hazard and population vulnerability analysis: a step towards landslide risk assessment
Franny G. MURILLO-GARCÍA; Mauro ROSSI; Francesca ARDIZZONE; Federica FIORUCCI; Irasema ALCÁNTARA-AYALA
Corresponding AuthorFranny G. MURILLO-GARCÍA
2017-07
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume14Issue:7Pages:1241-1261
Subtype期刊论文
AbstractIn this paper, an attempt to analyse landslide hazard and vulnerability in the municipality of Pahuatlán, Puebla, Mexico, is presented. In order to estimate landslide hazard, the susceptibility, magnitude (area-velocity ratio) and landslide frequency of the area of interest were produced based on information derived from a geomorphological landslide inventory; the latter was generated by using very high resolution satellite stereo pairs along with information derived from other sources (Google Earth, aerial photographs and historical information). Estimations of landslide susceptibility were determined by combining four statistical techniques: (i) logistic regression, (ii) quadratic discriminant analysis, (iii) linear discriminant analysis, and (iv) neuronal networks. A Digital Elevation Model (DEM) of 10 m spatial resolution was used to extract the slope angle, aspect, curvature, elevation and relief. These factors, in addition to land cover, lithology and distance to faults, were used as explanatory variables for the susceptibility models. Additionally, a Poisson model was used to estimate landslide temporal frequency, at the same time as landslide magnitude was obtained by using the relationship between landslide area and the velocity of movements. Then, due to the complexity of evaluating it, vulnerability of population was analysed by applying the Spatial Approach to Vulnerability Assessment (SAVE) model which considered levels of exposure, sensitivity and lack of resilience. Results were expressed on maps on which different spatial patterns of levels of landslide hazard and vulnerability were found for the inhabited areas. It is noteworthy that the lack of optimal methodologies to estimate and quantify vulnerability is more notorious than that of hazard assessments. Consequently, levels of uncertainty linked to landslide risk assessment remain a challenge to be addressed.
KeywordLandslides Susceptibility Hazard Vulnerability Risk
DOI10.1007/s11629-016-4179-9
Indexed BySCI
Language英语
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/18922
CollectionJournal of Mountain Science_Journal of Mountain Science-2017_Vol14 No.7
Recommended Citation
GB/T 7714
Franny G. MURILLO-GARCÍA,Mauro ROSSI,Francesca ARDIZZONE,et al. Hazard and population vulnerability analysis: a step towards landslide risk assessment[J]. Journal of Mountain Science,2017,14(7):1241-1261.
APA Franny G. MURILLO-GARCÍA,Mauro ROSSI,Francesca ARDIZZONE,Federica FIORUCCI,&Irasema ALCÁNTARA-AYALA.(2017).Hazard and population vulnerability analysis: a step towards landslide risk assessment.Journal of Mountain Science,14(7),1241-1261.
MLA Franny G. MURILLO-GARCÍA,et al."Hazard and population vulnerability analysis: a step towards landslide risk assessment".Journal of Mountain Science 14.7(2017):1241-1261.
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