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Research Paper | Environmental Science Studies | India | Volume 4 Issue 7, July 2015 | Popularity: 6.4 / 10

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Landslides Zones of Nearby Areas of Malin Village, Pune District, Maharashtra Using GIS Techniques

Pooja Gujarathi, S. J. Mane

Abstract: Landslides are predominant naturally occurring disasters in hilly terrains, often characterized by rugged hills with steep slope associated with loose unconsolidated soil. With its peak occurrence during the monsoon season, the magnitude of its effects can be disastrous depending on certain additional control factors- both natural and manmade. The present study encompasses the spatial analysis of the landslides prone areas nearby Malin Village using Satellite data along with the field data in a GIS Environment. Using GIS Technique, Thematic layers like lithology, geological structures, slope morphology, geomorphology and land use/land cover for deriving the landslides hazard zones. The weightage rating systems were used for different classes of thematic layers which are based on relative importance of various causative factors. The classes were assigned corresponding rating values as attribute information in the GIS environment. Each class within the thematic layer was assigned an ordinal rating from 1 to 10. The study indicates that the majority of the study area falls under moderate and low hazard zones, which further signifies that slope stability and manmade causes are still a major concern when taking up developing activities. In this context, the landslides hazard zonation map prepared in the present study will be useful for carrying out mitigation programmes as well as for planning and implementation of future developmental schemes within the study area.

Keywords: GIS, Landslides Zones, Thematic Maps, Weightage Overlay Analysis

Edition: Volume 4 Issue 7, July 2015

Pages: 443 - 448

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