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Title: Identification of Landslide Susceptible Villages around Kalsubai Region, Western Ghats of Maharashtra using Geospatial Techniques
Authors: Gawali, Praveen B.
Aher, Sainath P.
Lakshmi, B.V.
Gaikwad, Ravindra D.
Deendayalan, K.
Hanamgond, Pramod T.
Babu, J.L.V. Mahesh
Arote, Sandeep A.
Bairage, Shashikant I.
Keywords: Landslide Susceptible Villages
Kalsubai Region
Issue Date: 2017
Citation: Journal of the Geological Society of India, 90, 301-311
Abstract: Heavy rainfall triggered landslides are on the rise along the Western Ghats making it a matter of priority to identify landslideprone areas well in advance. The present effort is aimed at identifying landslide susceptible villages (LSV) around the Kalsubai region of Deccan volcanic province (DVP), Maharashtra, India from 8 weighted landslide parameters- rainfall, slope, lithology, land use and land cover (LULC), soil properties, relative relief, aspect and lineament. These parameters were combined with advanced remote sensing (RS) data and processed in geographical information system (GIS) as well as in image processing software, which are an integral part of geospatial techniques. Out of the total 59 villages, the study identified 9 villages are situated in very high, 13 in high, 12 in moderate, 11 in low and 14 in very low risk zones. Our data reveals incessant heavy rains and steep slopes are the dominant factors in triggering landslides, exacerbated by anthropogenic activity prevalent in the study area. The spatial and non-spatial database created will help to take effective steps in preventing and/or mitigating landslide disasters in the study area. The methodology can be applied to identify other landslide prone areas in a cost effective way.
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