GIS-based landslide hazard zonation: a case study from the Parwanoo area,Lesser and Outer Himalaya,H.P., India |
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Authors: | Mukta Sharma Ravindra Kumar |
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Affiliation: | (1) Centre of Advanced Study in Geology, Panjab University, Chandigarh, India |
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Abstract: | GIS-based landslide hazard zonation has been carried out for a tectonically active region of the Himalayas, which is under
pressure for rapid economic development. Thematic layers of slope, fault, geology, land use, flow accumulation, drainage and
roads were prepared based on topographic maps, satellite imagery, published geological maps and ground truth. Five classes
of landslide hazard were identified; 24% of the total area falls into the Very high or High hazard zones where 54% of the
observed landslides were recorded.
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Keywords: | Landslide hazard zonation Himalayas GIS Probability Weights of evidence modelling |
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