Landslide Hazard Zonation Map of Nainital Region Using Remote Sensing and Geographical Information System (GIS)

Karimullah Ahmadi
ME Research Scholar, Geology Department, Gujarat University, India , IN

Prof. Dr. R. D. Shah
ME Research Scholar, Geology Department, Gujarat University, India , IN

Keywords: Landslide, GIS &RS, Geomorphology, Geology, Lithology, Thematic maps, Landslide Hazard Zonation.

Abstract

The present work is mainly focused on the Landslide Hazard Zonation of the area in Nainital Region. Uttarakhand, India. Most disasters have so far spared urban centres of Uttarakhand and Nainital is amongst a few that having recorded history of massive and repeated devastations. The input parameters used in this study area are satellite imagery, topographic map, soil map, geological map and ground observations. All the thematic layers (geology, slope, aspect, structure, drainage, lineament, geomorphology, road network and land use/land cover) have been correlated for assessment of landslide hazard zonation mapping on the basis of observations made therein. This Paper describe the use of a GIS and remote sensing data base, compiled from existing digital map, satellite data, and field investigations to assessment of landslide hazard zonation of area around Nainital. The resultant landslide hazard map has will prepare in three classes with different values. The value classes represented various zone with varying probable intensity of occurrence of hazards. The each class is based on the level of potential intensity of the hazard. These classes are as follows Low hazard, Medium hazard and High hazard.

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