Abstract
Landslide is one of the challenges faced by mountainous regions due to natural phenomena and human activity. Nainital district in the state of Uttarakhand is one of the popular tourist spots in India. It is situated in a lesser Himalayan belt facing experiences number of landslides every year. This region comes under the Main Boundary Thrust and Main Central Thrust which are considered to be very sensitive for landslides. Landslide susceptibility mapping is a proficient tool to identify vulnerable zones for landslides. Remote sensing and geographic information system are very effective tools for collecting, analysing and interpreting land use data, and on the other hand, multi-criteria valuation (MCE) allows users for decision-making by considering various factors affecting the process of the landslide. The MCE technique was applied considering present land use/land cover, slope, drainage, lithology, geomorphology, and type of soil. Overlay analysis and land susceptibility mapping was carried out for the area around the Nainital lake. The study concludes with hot spot analysis and recommends mitigation measures like geotextiles, retaining walls and strict building by-laws for preventing landslides.
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