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Validation of Landslide Susceptibility Maps; Examples and Applications from a Case Study in Northern Spain |
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| Authors: | Remondo Juan González Alberto De Terán José Ramón Díaz Cendrero Antonio Fabbri Andrea Chung Chang-Jo F. |
| Affiliation: | (1) DCITIMAC, Facultad de Ciencias, Universidad de Cantabria, Avda. de Los Castros s/n, 39005 Santander, Spain;(2) ITC, Hengelosestraat 99, 7500 AA Enschede, The Netherlands;(3) Spatial Data Analysis Laboratory, Geological Survey of Canada, 601 Booth Street, Ottawa, Canada, K1A0E8 |
| Abstract: | A procedure for validating landslide susceptibility maps wasapplied in a study area in northern Spain and the results obtained compared. Validationwas used to carry out sensitivity analysis for individual variables and combinationsof variables. The validity of different map-making methods was tested, as well as theutility of different types of Favourability Functions. The results obtained show thatvalidation is essential to determine the predictive value of susceptibility maps. Italso helps to better select the most suitable function and significant variables, thus improving the efficiency of the mapping process. Validation based on a temporal strategy makes it possible to derive hazard maps from susceptibility maps. |
| Keywords: | Landslide susceptibility maps landslide hazard maps landslide susceptibility validation shallow translational slides |
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